diff --git a/target/linux/generic/patches-2.6.36/511-yaffs-git-2010-10-01.patch b/target/linux/generic/patches-2.6.36/511-yaffs-git-2010-10-20.patch
similarity index 64%
rename from target/linux/generic/patches-2.6.36/511-yaffs-git-2010-10-01.patch
rename to target/linux/generic/patches-2.6.36/511-yaffs-git-2010-10-20.patch
index 1ba5b1f46..f58c48168 100644
--- a/target/linux/generic/patches-2.6.36/511-yaffs-git-2010-10-01.patch
+++ b/target/linux/generic/patches-2.6.36/511-yaffs-git-2010-10-20.patch
@@ -1,5 +1,39 @@
---- a/fs/yaffs2/devextras.h
-+++ b/fs/yaffs2/devextras.h
+diff -Nrup linux-2.6.36-rc8/fs/Kconfig linux-2.6.36-rc8.new/fs/Kconfig
+--- linux-2.6.36-rc8/fs/Kconfig 2010-10-20 13:11:25.295000294 +0300
++++ linux-2.6.36-rc8.new/fs/Kconfig 2010-10-20 13:28:15.952000294 +0300
+@@ -44,7 +44,6 @@ source "fs/gfs2/Kconfig"
+ source "fs/ocfs2/Kconfig"
+ source "fs/btrfs/Kconfig"
+ source "fs/nilfs2/Kconfig"
+-source "fs/yaffs2/Kconfig"
+
+ endif # BLOCK
+
+@@ -175,6 +174,10 @@ source "fs/hfsplus/Kconfig"
+ source "fs/befs/Kconfig"
+ source "fs/bfs/Kconfig"
+ source "fs/efs/Kconfig"
++
++# Patched by YAFFS
++source "fs/yaffs2/Kconfig"
++
+ source "fs/jffs2/Kconfig"
+ # UBIFS File system configuration
+ source "fs/ubifs/Kconfig"
+diff -Nrup linux-2.6.36-rc8/fs/Makefile linux-2.6.36-rc8.new/fs/Makefile
+--- linux-2.6.36-rc8/fs/Makefile 2010-10-20 13:11:25.295000294 +0300
++++ linux-2.6.36-rc8.new/fs/Makefile 2010-10-20 13:28:15.953000294 +0300
+@@ -127,5 +127,6 @@ obj-$(CONFIG_BTRFS_FS) += btrfs/
+ obj-$(CONFIG_GFS2_FS) += gfs2/
+ obj-$(CONFIG_EXOFS_FS) += exofs/
+ obj-$(CONFIG_CEPH_FS) += ceph/
+-obj-$(CONFIG_YAFFS_FS) += yaffs2/
+
++# Patched by YAFFS
++obj-$(CONFIG_YAFFS_FS) += yaffs2/
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/devextras.h linux-2.6.36-rc8.new/fs/yaffs2/devextras.h
+--- linux-2.6.36-rc8/fs/yaffs2/devextras.h 2010-10-20 13:17:58.937000294 +0300
++++ linux-2.6.36-rc8.new/fs/yaffs2/devextras.h 2010-10-20 13:28:16.050000294 +0300
@@ -1,7 +1,7 @@
/*
* YAFFS: Yet another Flash File System . A NAND-flash specific file system.
@@ -122,8 +156,9 @@
#if !(defined __KERNEL__)
---- a/fs/yaffs2/Kconfig
-+++ b/fs/yaffs2/Kconfig
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/Kconfig linux-2.6.36-rc8.new/fs/yaffs2/Kconfig
+--- linux-2.6.36-rc8/fs/yaffs2/Kconfig 2010-10-20 13:17:58.937000294 +0300
++++ linux-2.6.36-rc8.new/fs/yaffs2/Kconfig 2010-10-20 13:28:15.993000294 +0300
@@ -90,23 +90,15 @@ config YAFFS_AUTO_YAFFS2
If unsure, say Y.
@@ -201,8 +236,9 @@
+ If unsure, say Y.
+
+
---- a/fs/yaffs2/Makefile
-+++ b/fs/yaffs2/Makefile
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/Makefile linux-2.6.36-rc8.new/fs/yaffs2/Makefile
+--- linux-2.6.36-rc8/fs/yaffs2/Makefile 2010-10-20 13:17:58.937000294 +0300
++++ linux-2.6.36-rc8.new/fs/yaffs2/Makefile 2010-10-20 13:28:15.989000294 +0300
@@ -4,7 +4,14 @@
obj-$(CONFIG_YAFFS_FS) += yaffs.o
@@ -220,8 +256,9 @@
+yaffs-y += yaffs_bitmap.o
+yaffs-y += yaffs_verify.o
+
---- a/fs/yaffs2/moduleconfig.h
-+++ b/fs/yaffs2/moduleconfig.h
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/moduleconfig.h linux-2.6.36-rc8.new/fs/yaffs2/moduleconfig.h
+--- linux-2.6.36-rc8/fs/yaffs2/moduleconfig.h 2010-10-20 13:17:58.938000294 +0300
++++ linux-2.6.36-rc8.new/fs/yaffs2/moduleconfig.h 2010-10-20 13:28:16.055000294 +0300
@@ -1,7 +1,7 @@
/*
* YAFFS: Yet another Flash File System . A NAND-flash specific file system.
@@ -231,7 +268,7 @@
* for Toby Churchill Ltd and Brightstar Engineering
*
* Created by Martin Fouts <Martin.Fouts@palmsource.com>
-@@ -29,22 +29,43 @@
+@@ -29,25 +29,46 @@
/* Meaning: Yaffs does its own ECC, rather than using MTD ECC */
/* #define CONFIG_YAFFS_DOES_ECC */
@@ -280,9 +317,23 @@
+#define CONFIG_YAFFS_XATTR
/*
- Older-style on-NAND data format has a "pageStatus" byte to record
---- /dev/null
-+++ b/fs/yaffs2/yaffs_allocator.c
+-Older-style on-NAND data format has a "pageStatus" byte to record
++Older-style on-NAND data format has a "page_status" byte to record
+ chunk/page state. This byte is zeroed when the page is discarded.
+ Choose this option if you have existing on-NAND data in this format
+ that you need to continue to support. New data written also uses the
+@@ -57,7 +78,7 @@ adjusted to use the older-style format.
+ MTD versions in yaffs_mtdif1.c.
+ */
+ /* Default: Not selected */
+-/* Meaning: Use older-style on-NAND data format with pageStatus byte */
++/* Meaning: Use older-style on-NAND data format with page_status byte */
+ /* #define CONFIG_YAFFS_9BYTE_TAGS */
+
+ #endif /* YAFFS_OUT_OF_TREE */
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/yaffs_allocator.c linux-2.6.36-rc8.new/fs/yaffs2/yaffs_allocator.c
+--- linux-2.6.36-rc8/fs/yaffs2/yaffs_allocator.c 1970-01-01 02:00:00.000000000 +0200
++++ linux-2.6.36-rc8.new/fs/yaffs2/yaffs_allocator.c 2010-10-20 13:28:15.998000294 +0300
@@ -0,0 +1,409 @@
+/*
+ * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
@@ -307,45 +358,45 @@
+
+#ifdef CONFIG_YAFFS_YMALLOC_ALLOCATOR
+
-+void yaffs_DeinitialiseRawTnodesAndObjects(yaffs_Device *dev)
++void yaffs_deinit_raw_tnodes_and_objs(yaffs_dev_t *dev)
+{
+ dev = dev;
+}
+
-+void yaffs_InitialiseRawTnodesAndObjects(yaffs_Device *dev)
++void yaffs_init_raw_tnodes_and_objs(yaffs_dev_t *dev)
+{
+ dev = dev;
+}
+
-+yaffs_Tnode *yaffs_AllocateRawTnode(yaffs_Device *dev)
++yaffs_tnode_t *yaffs_alloc_raw_tnode(yaffs_dev_t *dev)
+{
-+ return (yaffs_Tnode *)YMALLOC(dev->tnodeSize);
++ return (yaffs_tnode_t *)YMALLOC(dev->tnode_size);
+}
+
-+void yaffs_FreeRawTnode(yaffs_Device *dev, yaffs_Tnode *tn)
++void yaffs_free_raw_tnode(yaffs_dev_t *dev, yaffs_tnode_t *tn)
+{
+ dev = dev;
+ YFREE(tn);
+}
+
-+void yaffs_InitialiseRawObjects(yaffs_Device *dev)
++void yaffs_init_raw_objs(yaffs_dev_t *dev)
+{
+ dev = dev;
+}
+
-+void yaffs_DeinitialiseRawObjects(yaffs_Device *dev)
++void yaffs_deinit_raw_objs(yaffs_dev_t *dev)
+{
+ dev = dev;
+}
+
-+yaffs_Object *yaffs_AllocateRawObject(yaffs_Device *dev)
++yaffs_obj_t *yaffs_alloc_raw_obj(yaffs_dev_t *dev)
+{
+ dev = dev;
-+ return (yaffs_Object *) YMALLOC(sizeof(yaffs_Object));
++ return (yaffs_obj_t *) YMALLOC(sizeof(yaffs_obj_t));
+}
+
+
-+void yaffs_FreeRawObject(yaffs_Device *dev, yaffs_Object *obj)
++void yaffs_free_raw_obj(yaffs_dev_t *dev, yaffs_obj_t *obj)
+{
+
+ dev = dev;
@@ -354,43 +405,43 @@
+
+#else
+
-+struct yaffs_TnodeList_struct {
-+ struct yaffs_TnodeList_struct *next;
-+ yaffs_Tnode *tnodes;
++struct yaffs_tnode_list {
++ struct yaffs_tnode_list *next;
++ yaffs_tnode_t *tnodes;
+};
+
-+typedef struct yaffs_TnodeList_struct yaffs_TnodeList;
++typedef struct yaffs_tnode_list yaffs_tnodelist_t;
+
-+struct yaffs_ObjectList_struct {
-+ yaffs_Object *objects;
-+ struct yaffs_ObjectList_struct *next;
++struct yaffs_obj_tList_struct {
++ yaffs_obj_t *objects;
++ struct yaffs_obj_tList_struct *next;
+};
+
-+typedef struct yaffs_ObjectList_struct yaffs_ObjectList;
++typedef struct yaffs_obj_tList_struct yaffs_obj_tList;
+
+
+struct yaffs_AllocatorStruct {
-+ int nTnodesCreated;
-+ yaffs_Tnode *freeTnodes;
++ int n_tnodesCreated;
++ yaffs_tnode_t *freeTnodes;
+ int nFreeTnodes;
-+ yaffs_TnodeList *allocatedTnodeList;
++ yaffs_tnodelist_t *allocatedTnodeList;
+
-+ int nObjectsCreated;
-+ yaffs_Object *freeObjects;
++ int n_objCreated;
++ yaffs_obj_t *freeObjects;
+ int nFreeObjects;
+
-+ yaffs_ObjectList *allocatedObjectList;
++ yaffs_obj_tList *allocatedObjectList;
+};
+
+typedef struct yaffs_AllocatorStruct yaffs_Allocator;
+
+
-+static void yaffs_DeinitialiseRawTnodes(yaffs_Device *dev)
++static void yaffs_deinit_raw_tnodes(yaffs_dev_t *dev)
+{
+
+ yaffs_Allocator *allocator = (yaffs_Allocator *)dev->allocator;
+
-+ yaffs_TnodeList *tmp;
++ yaffs_tnodelist_t *tmp;
+
+ if(!allocator){
+ YBUG();
@@ -408,10 +459,10 @@
+
+ allocator->freeTnodes = NULL;
+ allocator->nFreeTnodes = 0;
-+ allocator->nTnodesCreated = 0;
++ allocator->n_tnodesCreated = 0;
+}
+
-+static void yaffs_InitialiseRawTnodes(yaffs_Device *dev)
++static void yaffs_init_raw_tnodes(yaffs_dev_t *dev)
+{
+ yaffs_Allocator *allocator = dev->allocator;
+
@@ -419,33 +470,33 @@
+ allocator->allocatedTnodeList = NULL;
+ allocator->freeTnodes = NULL;
+ allocator->nFreeTnodes = 0;
-+ allocator->nTnodesCreated = 0;
++ allocator->n_tnodesCreated = 0;
+ } else
+ YBUG();
+}
+
-+static int yaffs_CreateTnodes(yaffs_Device *dev, int nTnodes)
++static int yaffs_create_tnodes(yaffs_dev_t *dev, int n_tnodes)
+{
+ yaffs_Allocator *allocator = (yaffs_Allocator *)dev->allocator;
+ int i;
-+ yaffs_Tnode *newTnodes;
++ yaffs_tnode_t *newTnodes;
+ __u8 *mem;
-+ yaffs_Tnode *curr;
-+ yaffs_Tnode *next;
-+ yaffs_TnodeList *tnl;
++ yaffs_tnode_t *curr;
++ yaffs_tnode_t *next;
++ yaffs_tnodelist_t *tnl;
+
+ if(!allocator){
+ YBUG();
+ return YAFFS_FAIL;
+ }
+
-+ if (nTnodes < 1)
++ if (n_tnodes < 1)
+ return YAFFS_OK;
+
+
+ /* make these things */
+
-+ newTnodes = YMALLOC(nTnodes * dev->tnodeSize);
++ newTnodes = YMALLOC(n_tnodes * dev->tnode_size);
+ mem = (__u8 *)newTnodes;
+
+ if (!newTnodes) {
@@ -455,25 +506,25 @@
+ }
+
+ /* New hookup for wide tnodes */
-+ for (i = 0; i < nTnodes - 1; i++) {
-+ curr = (yaffs_Tnode *) &mem[i * dev->tnodeSize];
-+ next = (yaffs_Tnode *) &mem[(i+1) * dev->tnodeSize];
++ for (i = 0; i < n_tnodes - 1; i++) {
++ curr = (yaffs_tnode_t *) &mem[i * dev->tnode_size];
++ next = (yaffs_tnode_t *) &mem[(i+1) * dev->tnode_size];
+ curr->internal[0] = next;
+ }
+
-+ curr = (yaffs_Tnode *) &mem[(nTnodes - 1) * dev->tnodeSize];
++ curr = (yaffs_tnode_t *) &mem[(n_tnodes - 1) * dev->tnode_size];
+ curr->internal[0] = allocator->freeTnodes;
-+ allocator->freeTnodes = (yaffs_Tnode *)mem;
++ allocator->freeTnodes = (yaffs_tnode_t *)mem;
+
-+ allocator->nFreeTnodes += nTnodes;
-+ allocator->nTnodesCreated += nTnodes;
++ allocator->nFreeTnodes += n_tnodes;
++ allocator->n_tnodesCreated += n_tnodes;
+
+ /* Now add this bunch of tnodes to a list for freeing up.
+ * NB If we can't add this to the management list it isn't fatal
+ * but it just means we can't free this bunch of tnodes later.
+ */
+
-+ tnl = YMALLOC(sizeof(yaffs_TnodeList));
++ tnl = YMALLOC(sizeof(yaffs_tnodelist_t));
+ if (!tnl) {
+ T(YAFFS_TRACE_ERROR,
+ (TSTR
@@ -491,10 +542,10 @@
+}
+
+
-+yaffs_Tnode *yaffs_AllocateRawTnode(yaffs_Device *dev)
++yaffs_tnode_t *yaffs_alloc_raw_tnode(yaffs_dev_t *dev)
+{
+ yaffs_Allocator *allocator = (yaffs_Allocator *)dev->allocator;
-+ yaffs_Tnode *tn = NULL;
++ yaffs_tnode_t *tn = NULL;
+
+ if(!allocator){
+ YBUG();
@@ -503,7 +554,7 @@
+
+ /* If there are none left make more */
+ if (!allocator->freeTnodes)
-+ yaffs_CreateTnodes(dev, YAFFS_ALLOCATION_NTNODES);
++ yaffs_create_tnodes(dev, YAFFS_ALLOCATION_NTNODES);
+
+ if (allocator->freeTnodes) {
+ tn = allocator->freeTnodes;
@@ -515,7 +566,7 @@
+}
+
+/* FreeTnode frees up a tnode and puts it back on the free list */
-+void yaffs_FreeRawTnode(yaffs_Device *dev, yaffs_Tnode *tn)
++void yaffs_free_raw_tnode(yaffs_dev_t *dev, yaffs_tnode_t *tn)
+{
+ yaffs_Allocator *allocator = dev->allocator;
+
@@ -529,12 +580,12 @@
+ allocator->freeTnodes = tn;
+ allocator->nFreeTnodes++;
+ }
-+ dev->nCheckpointBlocksRequired = 0; /* force recalculation*/
++ dev->checkpoint_blocks_required = 0; /* force recalculation*/
+}
+
+
+
-+static void yaffs_InitialiseRawObjects(yaffs_Device *dev)
++static void yaffs_init_raw_objs(yaffs_dev_t *dev)
+{
+ yaffs_Allocator *allocator = dev->allocator;
+
@@ -546,10 +597,10 @@
+ YBUG();
+}
+
-+static void yaffs_DeinitialiseRawObjects(yaffs_Device *dev)
++static void yaffs_deinit_raw_objs(yaffs_dev_t *dev)
+{
+ yaffs_Allocator *allocator = dev->allocator;
-+ yaffs_ObjectList *tmp;
++ yaffs_obj_tList *tmp;
+
+ if(!allocator){
+ YBUG();
@@ -566,29 +617,29 @@
+
+ allocator->freeObjects = NULL;
+ allocator->nFreeObjects = 0;
-+ allocator->nObjectsCreated = 0;
++ allocator->n_objCreated = 0;
+}
+
+
-+static int yaffs_CreateFreeObjects(yaffs_Device *dev, int nObjects)
++static int yaffs_create_free_objs(yaffs_dev_t *dev, int n_obj)
+{
+ yaffs_Allocator *allocator = dev->allocator;
+
+ int i;
-+ yaffs_Object *newObjects;
-+ yaffs_ObjectList *list;
++ yaffs_obj_t *newObjects;
++ yaffs_obj_tList *list;
+
+ if(!allocator){
+ YBUG();
+ return YAFFS_FAIL;
+ }
+
-+ if (nObjects < 1)
++ if (n_obj < 1)
+ return YAFFS_OK;
+
+ /* make these things */
-+ newObjects = YMALLOC(nObjects * sizeof(yaffs_Object));
-+ list = YMALLOC(sizeof(yaffs_ObjectList));
++ newObjects = YMALLOC(n_obj * sizeof(yaffs_obj_t));
++ list = YMALLOC(sizeof(yaffs_obj_tList));
+
+ if (!newObjects || !list) {
+ if (newObjects){
@@ -605,15 +656,15 @@
+ }
+
+ /* Hook them into the free list */
-+ for (i = 0; i < nObjects - 1; i++) {
++ for (i = 0; i < n_obj - 1; i++) {
+ newObjects[i].siblings.next =
+ (struct ylist_head *)(&newObjects[i + 1]);
+ }
+
-+ newObjects[nObjects - 1].siblings.next = (void *)allocator->freeObjects;
++ newObjects[n_obj - 1].siblings.next = (void *)allocator->freeObjects;
+ allocator->freeObjects = newObjects;
-+ allocator->nFreeObjects += nObjects;
-+ allocator->nObjectsCreated += nObjects;
++ allocator->nFreeObjects += n_obj;
++ allocator->n_objCreated += n_obj;
+
+ /* Now add this bunch of Objects to a list for freeing up. */
+
@@ -624,9 +675,9 @@
+ return YAFFS_OK;
+}
+
-+yaffs_Object *yaffs_AllocateRawObject(yaffs_Device *dev)
++yaffs_obj_t *yaffs_alloc_raw_obj(yaffs_dev_t *dev)
+{
-+ yaffs_Object *obj = NULL;
++ yaffs_obj_t *obj = NULL;
+ yaffs_Allocator *allocator = dev->allocator;
+
+ if(!allocator) {
@@ -636,12 +687,12 @@
+
+ /* If there are none left make more */
+ if (!allocator->freeObjects)
-+ yaffs_CreateFreeObjects(dev, YAFFS_ALLOCATION_NOBJECTS);
++ yaffs_create_free_objs(dev, YAFFS_ALLOCATION_NOBJECTS);
+
+ if (allocator->freeObjects) {
+ obj = allocator->freeObjects;
+ allocator->freeObjects =
-+ (yaffs_Object *) (allocator->freeObjects->siblings.next);
++ (yaffs_obj_t *) (allocator->freeObjects->siblings.next);
+ allocator->nFreeObjects--;
+ }
+
@@ -649,7 +700,7 @@
+}
+
+
-+void yaffs_FreeRawObject(yaffs_Device *dev, yaffs_Object *obj)
++void yaffs_free_raw_obj(yaffs_dev_t *dev, yaffs_obj_t *obj)
+{
+
+ yaffs_Allocator *allocator = dev->allocator;
@@ -664,11 +715,11 @@
+ }
+}
+
-+void yaffs_DeinitialiseRawTnodesAndObjects(yaffs_Device *dev)
++void yaffs_deinit_raw_tnodes_and_objs(yaffs_dev_t *dev)
+{
+ if(dev->allocator){
-+ yaffs_DeinitialiseRawTnodes(dev);
-+ yaffs_DeinitialiseRawObjects(dev);
++ yaffs_deinit_raw_tnodes(dev);
++ yaffs_deinit_raw_objs(dev);
+
+ YFREE(dev->allocator);
+ dev->allocator=NULL;
@@ -676,7 +727,7 @@
+ YBUG();
+}
+
-+void yaffs_InitialiseRawTnodesAndObjects(yaffs_Device *dev)
++void yaffs_init_raw_tnodes_and_objs(yaffs_dev_t *dev)
+{
+ yaffs_Allocator *allocator;
+
@@ -684,8 +735,8 @@
+ allocator = YMALLOC(sizeof(yaffs_Allocator));
+ if(allocator){
+ dev->allocator = allocator;
-+ yaffs_InitialiseRawTnodes(dev);
-+ yaffs_InitialiseRawObjects(dev);
++ yaffs_init_raw_tnodes(dev);
++ yaffs_init_raw_objs(dev);
+ }
+ } else
+ YBUG();
@@ -693,8 +744,9 @@
+
+
+#endif
---- /dev/null
-+++ b/fs/yaffs2/yaffs_allocator.h
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/yaffs_allocator.h linux-2.6.36-rc8.new/fs/yaffs2/yaffs_allocator.h
+--- linux-2.6.36-rc8/fs/yaffs2/yaffs_allocator.h 1970-01-01 02:00:00.000000000 +0200
++++ linux-2.6.36-rc8.new/fs/yaffs2/yaffs_allocator.h 2010-10-20 13:28:16.058000294 +0300
@@ -0,0 +1,30 @@
+/*
+ * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
@@ -716,18 +768,19 @@
+
+#include "yaffs_guts.h"
+
-+void yaffs_InitialiseRawTnodesAndObjects(yaffs_Device *dev);
-+void yaffs_DeinitialiseRawTnodesAndObjects(yaffs_Device *dev);
++void yaffs_init_raw_tnodes_and_objs(yaffs_dev_t *dev);
++void yaffs_deinit_raw_tnodes_and_objs(yaffs_dev_t *dev);
+
-+yaffs_Tnode *yaffs_AllocateRawTnode(yaffs_Device *dev);
-+void yaffs_FreeRawTnode(yaffs_Device *dev, yaffs_Tnode *tn);
++yaffs_tnode_t *yaffs_alloc_raw_tnode(yaffs_dev_t *dev);
++void yaffs_free_raw_tnode(yaffs_dev_t *dev, yaffs_tnode_t *tn);
+
-+yaffs_Object *yaffs_AllocateRawObject(yaffs_Device *dev);
-+void yaffs_FreeRawObject(yaffs_Device *dev, yaffs_Object *obj);
++yaffs_obj_t *yaffs_alloc_raw_obj(yaffs_dev_t *dev);
++void yaffs_free_raw_obj(yaffs_dev_t *dev, yaffs_obj_t *obj);
+
+#endif
---- /dev/null
-+++ b/fs/yaffs2/yaffs_bitmap.c
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/yaffs_bitmap.c linux-2.6.36-rc8.new/fs/yaffs2/yaffs_bitmap.c
+--- linux-2.6.36-rc8/fs/yaffs2/yaffs_bitmap.c 1970-01-01 02:00:00.000000000 +0200
++++ linux-2.6.36-rc8.new/fs/yaffs2/yaffs_bitmap.c 2010-10-20 13:28:15.998000294 +0300
@@ -0,0 +1,105 @@
+/*
+ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
@@ -748,22 +801,22 @@
+ * Chunk bitmap manipulations
+ */
+
-+static Y_INLINE __u8 *yaffs_BlockBits(yaffs_Device *dev, int blk)
++static Y_INLINE __u8 *yaffs_BlockBits(yaffs_dev_t *dev, int blk)
+{
-+ if (blk < dev->internalStartBlock || blk > dev->internalEndBlock) {
++ if (blk < dev->internal_start_block || blk > dev->internal_end_block) {
+ T(YAFFS_TRACE_ERROR,
+ (TSTR("**>> yaffs: BlockBits block %d is not valid" TENDSTR),
+ blk));
+ YBUG();
+ }
-+ return dev->chunkBits +
-+ (dev->chunkBitmapStride * (blk - dev->internalStartBlock));
++ return dev->chunk_bits +
++ (dev->chunk_bit_stride * (blk - dev->internal_start_block));
+}
+
-+void yaffs_VerifyChunkBitId(yaffs_Device *dev, int blk, int chunk)
++void yaffs_verify_chunk_bit_id(yaffs_dev_t *dev, int blk, int chunk)
+{
-+ if (blk < dev->internalStartBlock || blk > dev->internalEndBlock ||
-+ chunk < 0 || chunk >= dev->param.nChunksPerBlock) {
++ if (blk < dev->internal_start_block || blk > dev->internal_end_block ||
++ chunk < 0 || chunk >= dev->param.chunks_per_block) {
+ T(YAFFS_TRACE_ERROR,
+ (TSTR("**>> yaffs: Chunk Id (%d:%d) invalid"TENDSTR),
+ blk, chunk));
@@ -771,44 +824,44 @@
+ }
+}
+
-+void yaffs_ClearChunkBits(yaffs_Device *dev, int blk)
++void yaffs_clear_chunk_bits(yaffs_dev_t *dev, int blk)
+{
+ __u8 *blkBits = yaffs_BlockBits(dev, blk);
+
-+ memset(blkBits, 0, dev->chunkBitmapStride);
++ memset(blkBits, 0, dev->chunk_bit_stride);
+}
+
-+void yaffs_ClearChunkBit(yaffs_Device *dev, int blk, int chunk)
++void yaffs_clear_chunk_bit(yaffs_dev_t *dev, int blk, int chunk)
+{
+ __u8 *blkBits = yaffs_BlockBits(dev, blk);
+
-+ yaffs_VerifyChunkBitId(dev, blk, chunk);
++ yaffs_verify_chunk_bit_id(dev, blk, chunk);
+
+ blkBits[chunk / 8] &= ~(1 << (chunk & 7));
+}
+
-+void yaffs_SetChunkBit(yaffs_Device *dev, int blk, int chunk)
++void yaffs_set_chunk_bit(yaffs_dev_t *dev, int blk, int chunk)
+{
+ __u8 *blkBits = yaffs_BlockBits(dev, blk);
+
-+ yaffs_VerifyChunkBitId(dev, blk, chunk);
++ yaffs_verify_chunk_bit_id(dev, blk, chunk);
+
+ blkBits[chunk / 8] |= (1 << (chunk & 7));
+}
+
-+int yaffs_CheckChunkBit(yaffs_Device *dev, int blk, int chunk)
++int yaffs_check_chunk_bit(yaffs_dev_t *dev, int blk, int chunk)
+{
+ __u8 *blkBits = yaffs_BlockBits(dev, blk);
-+ yaffs_VerifyChunkBitId(dev, blk, chunk);
++ yaffs_verify_chunk_bit_id(dev, blk, chunk);
+
+ return (blkBits[chunk / 8] & (1 << (chunk & 7))) ? 1 : 0;
+}
+
-+int yaffs_StillSomeChunkBits(yaffs_Device *dev, int blk)
++int yaffs_still_some_chunks(yaffs_dev_t *dev, int blk)
+{
+ __u8 *blkBits = yaffs_BlockBits(dev, blk);
+ int i;
-+ for (i = 0; i < dev->chunkBitmapStride; i++) {
++ for (i = 0; i < dev->chunk_bit_stride; i++) {
+ if (*blkBits)
+ return 1;
+ blkBits++;
@@ -816,12 +869,12 @@
+ return 0;
+}
+
-+int yaffs_CountChunkBits(yaffs_Device *dev, int blk)
++int yaffs_count_chunk_bits(yaffs_dev_t *dev, int blk)
+{
+ __u8 *blkBits = yaffs_BlockBits(dev, blk);
+ int i;
+ int n = 0;
-+ for (i = 0; i < dev->chunkBitmapStride; i++) {
++ for (i = 0; i < dev->chunk_bit_stride; i++) {
+ __u8 x = *blkBits;
+ while (x) {
+ if (x & 1)
@@ -834,8 +887,9 @@
+ return n;
+}
+
---- /dev/null
-+++ b/fs/yaffs2/yaffs_bitmap.h
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/yaffs_bitmap.h linux-2.6.36-rc8.new/fs/yaffs2/yaffs_bitmap.h
+--- linux-2.6.36-rc8/fs/yaffs2/yaffs_bitmap.h 1970-01-01 02:00:00.000000000 +0200
++++ linux-2.6.36-rc8.new/fs/yaffs2/yaffs_bitmap.h 2010-10-20 13:28:16.058000294 +0300
@@ -0,0 +1,31 @@
+/*
+ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
@@ -859,17 +913,18 @@
+
+#include "yaffs_guts.h"
+
-+void yaffs_VerifyChunkBitId(yaffs_Device *dev, int blk, int chunk);
-+void yaffs_ClearChunkBits(yaffs_Device *dev, int blk);
-+void yaffs_ClearChunkBit(yaffs_Device *dev, int blk, int chunk);
-+void yaffs_SetChunkBit(yaffs_Device *dev, int blk, int chunk);
-+int yaffs_CheckChunkBit(yaffs_Device *dev, int blk, int chunk);
-+int yaffs_StillSomeChunkBits(yaffs_Device *dev, int blk);
-+int yaffs_CountChunkBits(yaffs_Device *dev, int blk);
++void yaffs_verify_chunk_bit_id(yaffs_dev_t *dev, int blk, int chunk);
++void yaffs_clear_chunk_bits(yaffs_dev_t *dev, int blk);
++void yaffs_clear_chunk_bit(yaffs_dev_t *dev, int blk, int chunk);
++void yaffs_set_chunk_bit(yaffs_dev_t *dev, int blk, int chunk);
++int yaffs_check_chunk_bit(yaffs_dev_t *dev, int blk, int chunk);
++int yaffs_still_some_chunks(yaffs_dev_t *dev, int blk);
++int yaffs_count_chunk_bits(yaffs_dev_t *dev, int blk);
+
+#endif
---- a/fs/yaffs2/yaffs_checkptrw.c
-+++ b/fs/yaffs2/yaffs_checkptrw.c
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/yaffs_checkptrw.c linux-2.6.36-rc8.new/fs/yaffs2/yaffs_checkptrw.c
+--- linux-2.6.36-rc8/fs/yaffs2/yaffs_checkptrw.c 2010-10-20 13:17:58.941000294 +0300
++++ linux-2.6.36-rc8.new/fs/yaffs2/yaffs_checkptrw.c 2010-10-20 13:28:15.999000294 +0300
@@ -1,7 +1,7 @@
/*
* YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
@@ -891,300 +946,536 @@
#include "yaffs_getblockinfo.h"
-static int yaffs_CheckpointSpaceOk(yaffs_Device *dev)
-+static int yaffs2_CheckpointSpaceOk(yaffs_Device *dev)
++static int yaffs2_checkpt_space_ok(yaffs_dev_t *dev)
{
- int blocksAvailable = dev->nErasedBlocks - dev->nReservedBlocks;
-+ int blocksAvailable = dev->nErasedBlocks - dev->param.nReservedBlocks;
++ int blocksAvailable = dev->n_erased_blocks - dev->param.n_reserved_blocks;
T(YAFFS_TRACE_CHECKPOINT,
(TSTR("checkpt blocks available = %d" TENDSTR),
-@@ -30,11 +26,11 @@ static int yaffs_CheckpointSpaceOk(yaffs
+@@ -30,53 +26,56 @@ static int yaffs_CheckpointSpaceOk(yaffs
}
-static int yaffs_CheckpointErase(yaffs_Device *dev)
-+static int yaffs2_CheckpointErase(yaffs_Device *dev)
++static int yaffs_checkpt_erase(yaffs_dev_t *dev)
{
int i;
- if (!dev->eraseBlockInNAND)
-+ if (!dev->param.eraseBlockInNAND)
++ if (!dev->param.erase_fn)
return 0;
T(YAFFS_TRACE_CHECKPOINT, (TSTR("checking blocks %d to %d"TENDSTR),
- dev->internalStartBlock, dev->internalEndBlock));
-@@ -43,12 +39,15 @@ static int yaffs_CheckpointErase(yaffs_D
- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, i);
- if (bi->blockState == YAFFS_BLOCK_STATE_CHECKPOINT) {
+- dev->internalStartBlock, dev->internalEndBlock));
++ dev->internal_start_block, dev->internal_end_block));
+
+- for (i = dev->internalStartBlock; i <= dev->internalEndBlock; i++) {
+- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, i);
+- if (bi->blockState == YAFFS_BLOCK_STATE_CHECKPOINT) {
++ for (i = dev->internal_start_block; i <= dev->internal_end_block; i++) {
++ yaffs_block_info_t *bi = yaffs_get_block_info(dev, i);
++ if (bi->block_state == YAFFS_BLOCK_STATE_CHECKPOINT) {
T(YAFFS_TRACE_CHECKPOINT, (TSTR("erasing checkpt block %d"TENDSTR), i));
- if (dev->eraseBlockInNAND(dev, i - dev->blockOffset /* realign */)) {
-+
-+ dev->nBlockErasures++;
-+
-+ if (dev->param.eraseBlockInNAND(dev, i - dev->blockOffset /* realign */)) {
- bi->blockState = YAFFS_BLOCK_STATE_EMPTY;
- dev->nErasedBlocks++;
+- bi->blockState = YAFFS_BLOCK_STATE_EMPTY;
+- dev->nErasedBlocks++;
- dev->nFreeChunks += dev->nChunksPerBlock;
-+ dev->nFreeChunks += dev->param.nChunksPerBlock;
++
++ dev->n_erasures++;
++
++ if (dev->param.erase_fn(dev, i - dev->block_offset /* realign */)) {
++ bi->block_state = YAFFS_BLOCK_STATE_EMPTY;
++ dev->n_erased_blocks++;
++ dev->n_free_chunks += dev->param.chunks_per_block;
} else {
- dev->markNANDBlockBad(dev, i);
-+ dev->param.markNANDBlockBad(dev, i);
- bi->blockState = YAFFS_BLOCK_STATE_DEAD;
+- bi->blockState = YAFFS_BLOCK_STATE_DEAD;
++ dev->param.bad_block_fn(dev, i);
++ bi->block_state = YAFFS_BLOCK_STATE_DEAD;
}
}
-@@ -60,13 +59,13 @@ static int yaffs_CheckpointErase(yaffs_D
+ }
+
+- dev->blocksInCheckpoint = 0;
++ dev->blocks_in_checkpt = 0;
+
+ return 1;
}
-static void yaffs_CheckpointFindNextErasedBlock(yaffs_Device *dev)
-+static void yaffs2_CheckpointFindNextErasedBlock(yaffs_Device *dev)
++static void yaffs2_checkpt_find_erased_block(yaffs_dev_t *dev)
{
int i;
- int blocksAvailable = dev->nErasedBlocks - dev->nReservedBlocks;
-+ int blocksAvailable = dev->nErasedBlocks - dev->param.nReservedBlocks;
++ int blocksAvailable = dev->n_erased_blocks - dev->param.n_reserved_blocks;
T(YAFFS_TRACE_CHECKPOINT,
(TSTR("allocating checkpt block: erased %d reserved %d avail %d next %d "TENDSTR),
- dev->nErasedBlocks, dev->nReservedBlocks, blocksAvailable, dev->checkpointNextBlock));
-+ dev->nErasedBlocks, dev->param.nReservedBlocks, blocksAvailable, dev->checkpointNextBlock));
++ dev->n_erased_blocks, dev->param.n_reserved_blocks, blocksAvailable, dev->checkpt_next_block));
- if (dev->checkpointNextBlock >= 0 &&
- dev->checkpointNextBlock <= dev->internalEndBlock &&
-@@ -88,7 +87,7 @@ static void yaffs_CheckpointFindNextEras
- dev->checkpointCurrentBlock = -1;
+- if (dev->checkpointNextBlock >= 0 &&
+- dev->checkpointNextBlock <= dev->internalEndBlock &&
++ if (dev->checkpt_next_block >= 0 &&
++ dev->checkpt_next_block <= dev->internal_end_block &&
+ blocksAvailable > 0) {
+
+- for (i = dev->checkpointNextBlock; i <= dev->internalEndBlock; i++) {
+- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, i);
+- if (bi->blockState == YAFFS_BLOCK_STATE_EMPTY) {
+- dev->checkpointNextBlock = i + 1;
+- dev->checkpointCurrentBlock = i;
++ for (i = dev->checkpt_next_block; i <= dev->internal_end_block; i++) {
++ yaffs_block_info_t *bi = yaffs_get_block_info(dev, i);
++ if (bi->block_state == YAFFS_BLOCK_STATE_EMPTY) {
++ dev->checkpt_next_block = i + 1;
++ dev->checkpt_cur_block = i;
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("allocating checkpt block %d"TENDSTR), i));
+ return;
+ }
+@@ -84,34 +83,34 @@ static void yaffs_CheckpointFindNextEras
+ }
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("out of checkpt blocks"TENDSTR)));
+
+- dev->checkpointNextBlock = -1;
+- dev->checkpointCurrentBlock = -1;
++ dev->checkpt_next_block = -1;
++ dev->checkpt_cur_block = -1;
}
-static void yaffs_CheckpointFindNextCheckpointBlock(yaffs_Device *dev)
-+static void yaffs2_CheckpointFindNextCheckpointBlock(yaffs_Device *dev)
++static void yaffs2_checkpt_find_block(yaffs_dev_t *dev)
{
int i;
- yaffs_ExtendedTags tags;
-@@ -98,10 +97,10 @@ static void yaffs_CheckpointFindNextChec
+- yaffs_ExtendedTags tags;
++ yaffs_ext_tags tags;
- if (dev->blocksInCheckpoint < dev->checkpointMaxBlocks)
- for (i = dev->checkpointNextBlock; i <= dev->internalEndBlock; i++) {
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("find next checkpt block: start: blocks %d next %d" TENDSTR),
+- dev->blocksInCheckpoint, dev->checkpointNextBlock));
++ dev->blocks_in_checkpt, dev->checkpt_next_block));
+
+- if (dev->blocksInCheckpoint < dev->checkpointMaxBlocks)
+- for (i = dev->checkpointNextBlock; i <= dev->internalEndBlock; i++) {
- int chunk = i * dev->nChunksPerBlock;
-+ int chunk = i * dev->param.nChunksPerBlock;
- int realignedChunk = chunk - dev->chunkOffset;
+- int realignedChunk = chunk - dev->chunkOffset;
++ if (dev->blocks_in_checkpt < dev->checkpt_max_blocks)
++ for (i = dev->checkpt_next_block; i <= dev->internal_end_block; i++) {
++ int chunk = i * dev->param.chunks_per_block;
++ int realignedChunk = chunk - dev->chunk_offset;
- dev->readChunkWithTagsFromNAND(dev, realignedChunk,
-+ dev->param.readChunkWithTagsFromNAND(dev, realignedChunk,
++ dev->param.read_chunk_tags_fn(dev, realignedChunk,
NULL, &tags);
T(YAFFS_TRACE_CHECKPOINT, (TSTR("find next checkpt block: search: block %d oid %d seq %d eccr %d" TENDSTR),
- i, tags.objectId, tags.sequenceNumber, tags.eccResult));
-@@ -124,29 +123,29 @@ static void yaffs_CheckpointFindNextChec
+- i, tags.objectId, tags.sequenceNumber, tags.eccResult));
++ i, tags.obj_id, tags.seq_number, tags.ecc_result));
+
+- if (tags.sequenceNumber == YAFFS_SEQUENCE_CHECKPOINT_DATA) {
++ if (tags.seq_number == YAFFS_SEQUENCE_CHECKPOINT_DATA) {
+ /* Right kind of block */
+- dev->checkpointNextBlock = tags.objectId;
+- dev->checkpointCurrentBlock = i;
+- dev->checkpointBlockList[dev->blocksInCheckpoint] = i;
+- dev->blocksInCheckpoint++;
++ dev->checkpt_next_block = tags.obj_id;
++ dev->checkpt_cur_block = i;
++ dev->checkpt_block_list[dev->blocks_in_checkpt] = i;
++ dev->blocks_in_checkpt++;
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("found checkpt block %d"TENDSTR), i));
+ return;
+ }
+@@ -119,122 +118,127 @@ static void yaffs_CheckpointFindNextChec
+
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("found no more checkpt blocks"TENDSTR)));
+
+- dev->checkpointNextBlock = -1;
+- dev->checkpointCurrentBlock = -1;
++ dev->checkpt_next_block = -1;
++ dev->checkpt_cur_block = -1;
}
-int yaffs_CheckpointOpen(yaffs_Device *dev, int forWriting)
-+int yaffs2_CheckpointOpen(yaffs_Device *dev, int forWriting)
++int yaffs2_checkpt_open(yaffs_dev_t *dev, int forWriting)
{
+
-+ dev->checkpointOpenForWrite = forWriting;
++ dev->checkpt_open_write = forWriting;
+
/* Got the functions we need? */
- if (!dev->writeChunkWithTagsToNAND ||
- !dev->readChunkWithTagsFromNAND ||
- !dev->eraseBlockInNAND ||
- !dev->markNANDBlockBad)
-+ if (!dev->param.writeChunkWithTagsToNAND ||
-+ !dev->param.readChunkWithTagsFromNAND ||
-+ !dev->param.eraseBlockInNAND ||
-+ !dev->param.markNANDBlockBad)
++ if (!dev->param.write_chunk_tags_fn ||
++ !dev->param.read_chunk_tags_fn ||
++ !dev->param.erase_fn ||
++ !dev->param.bad_block_fn)
return 0;
- if (forWriting && !yaffs_CheckpointSpaceOk(dev))
-+ if (forWriting && !yaffs2_CheckpointSpaceOk(dev))
++ if (forWriting && !yaffs2_checkpt_space_ok(dev))
return 0;
- if (!dev->checkpointBuffer)
+- if (!dev->checkpointBuffer)
- dev->checkpointBuffer = YMALLOC_DMA(dev->totalBytesPerChunk);
-+ dev->checkpointBuffer = YMALLOC_DMA(dev->param.totalBytesPerChunk);
- if (!dev->checkpointBuffer)
+- if (!dev->checkpointBuffer)
++ if (!dev->checkpt_buffer)
++ dev->checkpt_buffer = YMALLOC_DMA(dev->param.total_bytes_per_chunk);
++ if (!dev->checkpt_buffer)
return 0;
- dev->checkpointPageSequence = 0;
+- dev->checkpointPageSequence = 0;
-
- dev->checkpointOpenForWrite = forWriting;
-
- dev->checkpointByteCount = 0;
- dev->checkpointSum = 0;
- dev->checkpointXor = 0;
-@@ -158,7 +157,7 @@ int yaffs_CheckpointOpen(yaffs_Device *d
+- dev->checkpointByteCount = 0;
+- dev->checkpointSum = 0;
+- dev->checkpointXor = 0;
+- dev->checkpointCurrentBlock = -1;
+- dev->checkpointCurrentChunk = -1;
+- dev->checkpointNextBlock = dev->internalStartBlock;
++ dev->checkpt_page_seq = 0;
++ dev->checkpt_byte_count = 0;
++ dev->checkpt_sum = 0;
++ dev->checkpt_xor = 0;
++ dev->checkpt_cur_block = -1;
++ dev->checkpt_cur_chunk = -1;
++ dev->checkpt_next_block = dev->internal_start_block;
+
+ /* Erase all the blocks in the checkpoint area */
if (forWriting) {
- memset(dev->checkpointBuffer, 0, dev->nDataBytesPerChunk);
- dev->checkpointByteOffset = 0;
+- memset(dev->checkpointBuffer, 0, dev->nDataBytesPerChunk);
+- dev->checkpointByteOffset = 0;
- return yaffs_CheckpointErase(dev);
-+ return yaffs2_CheckpointErase(dev);
++ memset(dev->checkpt_buffer, 0, dev->data_bytes_per_chunk);
++ dev->checkpt_byte_offs = 0;
++ return yaffs_checkpt_erase(dev);
} else {
int i;
/* Set to a value that will kick off a read */
-@@ -168,6 +167,9 @@ int yaffs_CheckpointOpen(yaffs_Device *d
- dev->blocksInCheckpoint = 0;
- dev->checkpointMaxBlocks = (dev->internalEndBlock - dev->internalStartBlock)/16 + 2;
- dev->checkpointBlockList = YMALLOC(sizeof(int) * dev->checkpointMaxBlocks);
-+ if(!dev->checkpointBlockList)
+- dev->checkpointByteOffset = dev->nDataBytesPerChunk;
++ dev->checkpt_byte_offs = dev->data_bytes_per_chunk;
+ /* A checkpoint block list of 1 checkpoint block per 16 block is (hopefully)
+ * going to be way more than we need */
+- dev->blocksInCheckpoint = 0;
+- dev->checkpointMaxBlocks = (dev->internalEndBlock - dev->internalStartBlock)/16 + 2;
+- dev->checkpointBlockList = YMALLOC(sizeof(int) * dev->checkpointMaxBlocks);
+- for (i = 0; i < dev->checkpointMaxBlocks; i++)
+- dev->checkpointBlockList[i] = -1;
++ dev->blocks_in_checkpt = 0;
++ dev->checkpt_max_blocks = (dev->internal_end_block - dev->internal_start_block)/16 + 2;
++ dev->checkpt_block_list = YMALLOC(sizeof(int) * dev->checkpt_max_blocks);
++ if(!dev->checkpt_block_list)
+ return 0;
+
- for (i = 0; i < dev->checkpointMaxBlocks; i++)
- dev->checkpointBlockList[i] = -1;
++ for (i = 0; i < dev->checkpt_max_blocks; i++)
++ dev->checkpt_block_list[i] = -1;
}
-@@ -175,7 +177,7 @@ int yaffs_CheckpointOpen(yaffs_Device *d
+
return 1;
}
-int yaffs_GetCheckpointSum(yaffs_Device *dev, __u32 *sum)
-+int yaffs2_GetCheckpointSum(yaffs_Device *dev, __u32 *sum)
++int yaffs2_get_checkpt_sum(yaffs_dev_t *dev, __u32 *sum)
{
__u32 compositeSum;
- compositeSum = (dev->checkpointSum << 8) | (dev->checkpointXor & 0xFF);
-@@ -183,7 +185,7 @@ int yaffs_GetCheckpointSum(yaffs_Device
+- compositeSum = (dev->checkpointSum << 8) | (dev->checkpointXor & 0xFF);
++ compositeSum = (dev->checkpt_sum << 8) | (dev->checkpt_xor & 0xFF);
+ *sum = compositeSum;
return 1;
}
-static int yaffs_CheckpointFlushBuffer(yaffs_Device *dev)
-+static int yaffs2_CheckpointFlushBuffer(yaffs_Device *dev)
++static int yaffs2_checkpt_flush_buffer(yaffs_dev_t *dev)
{
int chunk;
int realignedChunk;
-@@ -191,7 +193,7 @@ static int yaffs_CheckpointFlushBuffer(y
- yaffs_ExtendedTags tags;
- if (dev->checkpointCurrentBlock < 0) {
+- yaffs_ExtendedTags tags;
++ yaffs_ext_tags tags;
+
+- if (dev->checkpointCurrentBlock < 0) {
- yaffs_CheckpointFindNextErasedBlock(dev);
-+ yaffs2_CheckpointFindNextErasedBlock(dev);
- dev->checkpointCurrentChunk = 0;
+- dev->checkpointCurrentChunk = 0;
++ if (dev->checkpt_cur_block < 0) {
++ yaffs2_checkpt_find_erased_block(dev);
++ dev->checkpt_cur_chunk = 0;
}
-@@ -211,7 +213,7 @@ static int yaffs_CheckpointFlushBuffer(y
- dev->blocksInCheckpoint++;
+- if (dev->checkpointCurrentBlock < 0)
++ if (dev->checkpt_cur_block < 0)
+ return 0;
+
+- tags.chunkDeleted = 0;
+- tags.objectId = dev->checkpointNextBlock; /* Hint to next place to look */
+- tags.chunkId = dev->checkpointPageSequence + 1;
+- tags.sequenceNumber = YAFFS_SEQUENCE_CHECKPOINT_DATA;
+- tags.byteCount = dev->nDataBytesPerChunk;
+- if (dev->checkpointCurrentChunk == 0) {
++ tags.is_deleted = 0;
++ tags.obj_id = dev->checkpt_next_block; /* Hint to next place to look */
++ tags.chunk_id = dev->checkpt_page_seq + 1;
++ tags.seq_number = YAFFS_SEQUENCE_CHECKPOINT_DATA;
++ tags.n_bytes = dev->data_bytes_per_chunk;
++ if (dev->checkpt_cur_chunk == 0) {
+ /* First chunk we write for the block? Set block state to
+ checkpoint */
+- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, dev->checkpointCurrentBlock);
+- bi->blockState = YAFFS_BLOCK_STATE_CHECKPOINT;
+- dev->blocksInCheckpoint++;
++ yaffs_block_info_t *bi = yaffs_get_block_info(dev, dev->checkpt_cur_block);
++ bi->block_state = YAFFS_BLOCK_STATE_CHECKPOINT;
++ dev->blocks_in_checkpt++;
}
- chunk = dev->checkpointCurrentBlock * dev->nChunksPerBlock + dev->checkpointCurrentChunk;
-+ chunk = dev->checkpointCurrentBlock * dev->param.nChunksPerBlock + dev->checkpointCurrentChunk;
++ chunk = dev->checkpt_cur_block * dev->param.chunks_per_block + dev->checkpt_cur_chunk;
T(YAFFS_TRACE_CHECKPOINT, (TSTR("checkpoint wite buffer nand %d(%d:%d) objid %d chId %d" TENDSTR),
-@@ -219,12 +221,14 @@ static int yaffs_CheckpointFlushBuffer(y
+- chunk, dev->checkpointCurrentBlock, dev->checkpointCurrentChunk, tags.objectId, tags.chunkId));
++ chunk, dev->checkpt_cur_block, dev->checkpt_cur_chunk, tags.obj_id, tags.chunk_id));
- realignedChunk = chunk - dev->chunkOffset;
+- realignedChunk = chunk - dev->chunkOffset;
++ realignedChunk = chunk - dev->chunk_offset;
- dev->writeChunkWithTagsToNAND(dev, realignedChunk,
-+ dev->nPageWrites++;
-+
-+ dev->param.writeChunkWithTagsToNAND(dev, realignedChunk,
- dev->checkpointBuffer, &tags);
- dev->checkpointByteOffset = 0;
- dev->checkpointPageSequence++;
- dev->checkpointCurrentChunk++;
+- dev->checkpointBuffer, &tags);
+- dev->checkpointByteOffset = 0;
+- dev->checkpointPageSequence++;
+- dev->checkpointCurrentChunk++;
- if (dev->checkpointCurrentChunk >= dev->nChunksPerBlock) {
-+ if (dev->checkpointCurrentChunk >= dev->param.nChunksPerBlock) {
- dev->checkpointCurrentChunk = 0;
- dev->checkpointCurrentBlock = -1;
+- dev->checkpointCurrentChunk = 0;
+- dev->checkpointCurrentBlock = -1;
++ dev->n_page_writes++;
++
++ dev->param.write_chunk_tags_fn(dev, realignedChunk,
++ dev->checkpt_buffer, &tags);
++ dev->checkpt_byte_offs = 0;
++ dev->checkpt_page_seq++;
++ dev->checkpt_cur_chunk++;
++ if (dev->checkpt_cur_chunk >= dev->param.chunks_per_block) {
++ dev->checkpt_cur_chunk = 0;
++ dev->checkpt_cur_block = -1;
}
-@@ -234,7 +238,7 @@ static int yaffs_CheckpointFlushBuffer(y
+- memset(dev->checkpointBuffer, 0, dev->nDataBytesPerChunk);
++ memset(dev->checkpt_buffer, 0, dev->data_bytes_per_chunk);
+
+ return 1;
}
-int yaffs_CheckpointWrite(yaffs_Device *dev, const void *data, int nBytes)
-+int yaffs2_CheckpointWrite(yaffs_Device *dev, const void *data, int nBytes)
++int yaffs2_checkpt_wr(yaffs_dev_t *dev, const void *data, int n_bytes)
{
int i = 0;
int ok = 1;
-@@ -263,13 +267,13 @@ int yaffs_CheckpointWrite(yaffs_Device *
+@@ -244,36 +248,36 @@ int yaffs_CheckpointWrite(yaffs_Device *
- if (dev->checkpointByteOffset < 0 ||
- dev->checkpointByteOffset >= dev->nDataBytesPerChunk)
+
+
+- if (!dev->checkpointBuffer)
++ if (!dev->checkpt_buffer)
+ return 0;
+
+- if (!dev->checkpointOpenForWrite)
++ if (!dev->checkpt_open_write)
+ return -1;
+
+- while (i < nBytes && ok) {
+- dev->checkpointBuffer[dev->checkpointByteOffset] = *dataBytes;
+- dev->checkpointSum += *dataBytes;
+- dev->checkpointXor ^= *dataBytes;
++ while (i < n_bytes && ok) {
++ dev->checkpt_buffer[dev->checkpt_byte_offs] = *dataBytes;
++ dev->checkpt_sum += *dataBytes;
++ dev->checkpt_xor ^= *dataBytes;
+
+- dev->checkpointByteOffset++;
++ dev->checkpt_byte_offs++;
+ i++;
+ dataBytes++;
+- dev->checkpointByteCount++;
++ dev->checkpt_byte_count++;
+
+
+- if (dev->checkpointByteOffset < 0 ||
+- dev->checkpointByteOffset >= dev->nDataBytesPerChunk)
- ok = yaffs_CheckpointFlushBuffer(dev);
-+ ok = yaffs2_CheckpointFlushBuffer(dev);
++ if (dev->checkpt_byte_offs < 0 ||
++ dev->checkpt_byte_offs >= dev->data_bytes_per_chunk)
++ ok = yaffs2_checkpt_flush_buffer(dev);
}
return i;
}
-int yaffs_CheckpointRead(yaffs_Device *dev, void *data, int nBytes)
-+int yaffs2_CheckpointRead(yaffs_Device *dev, void *data, int nBytes)
++int yaffs2_checkpt_rd(yaffs_dev_t *dev, void *data, int n_bytes)
{
int i = 0;
int ok = 1;
-@@ -294,7 +298,7 @@ int yaffs_CheckpointRead(yaffs_Device *d
- dev->checkpointByteOffset >= dev->nDataBytesPerChunk) {
+- yaffs_ExtendedTags tags;
++ yaffs_ext_tags tags;
- if (dev->checkpointCurrentBlock < 0) {
+
+ int chunk;
+@@ -281,113 +285,116 @@ int yaffs_CheckpointRead(yaffs_Device *d
+
+ __u8 *dataBytes = (__u8 *)data;
+
+- if (!dev->checkpointBuffer)
++ if (!dev->checkpt_buffer)
+ return 0;
+
+- if (dev->checkpointOpenForWrite)
++ if (dev->checkpt_open_write)
+ return -1;
+
+- while (i < nBytes && ok) {
++ while (i < n_bytes && ok) {
+
+
+- if (dev->checkpointByteOffset < 0 ||
+- dev->checkpointByteOffset >= dev->nDataBytesPerChunk) {
++ if (dev->checkpt_byte_offs < 0 ||
++ dev->checkpt_byte_offs >= dev->data_bytes_per_chunk) {
+
+- if (dev->checkpointCurrentBlock < 0) {
- yaffs_CheckpointFindNextCheckpointBlock(dev);
-+ yaffs2_CheckpointFindNextCheckpointBlock(dev);
- dev->checkpointCurrentChunk = 0;
+- dev->checkpointCurrentChunk = 0;
++ if (dev->checkpt_cur_block < 0) {
++ yaffs2_checkpt_find_block(dev);
++ dev->checkpt_cur_chunk = 0;
}
-@@ -302,14 +306,16 @@ int yaffs_CheckpointRead(yaffs_Device *d
+- if (dev->checkpointCurrentBlock < 0)
++ if (dev->checkpt_cur_block < 0)
ok = 0;
else {
- chunk = dev->checkpointCurrentBlock *
+- chunk = dev->checkpointCurrentBlock *
- dev->nChunksPerBlock +
-+ dev->param.nChunksPerBlock +
- dev->checkpointCurrentChunk;
-
- realignedChunk = chunk - dev->chunkOffset;
+- dev->checkpointCurrentChunk;
+-
+- realignedChunk = chunk - dev->chunkOffset;
++ chunk = dev->checkpt_cur_block *
++ dev->param.chunks_per_block +
++ dev->checkpt_cur_chunk;
++
++ realignedChunk = chunk - dev->chunk_offset;
+
-+ dev->nPageReads++;
++ dev->n_page_reads++;
/* read in the next chunk */
/* printf("read checkpoint page %d\n",dev->checkpointPage); */
- dev->readChunkWithTagsFromNAND(dev,
-+ dev->param.readChunkWithTagsFromNAND(dev,
++ dev->param.read_chunk_tags_fn(dev,
realignedChunk,
- dev->checkpointBuffer,
+- dev->checkpointBuffer,
++ dev->checkpt_buffer,
&tags);
-@@ -323,7 +329,7 @@ int yaffs_CheckpointRead(yaffs_Device *d
- dev->checkpointPageSequence++;
- dev->checkpointCurrentChunk++;
+
+- if (tags.chunkId != (dev->checkpointPageSequence + 1) ||
+- tags.eccResult > YAFFS_ECC_RESULT_FIXED ||
+- tags.sequenceNumber != YAFFS_SEQUENCE_CHECKPOINT_DATA)
++ if (tags.chunk_id != (dev->checkpt_page_seq + 1) ||
++ tags.ecc_result > YAFFS_ECC_RESULT_FIXED ||
++ tags.seq_number != YAFFS_SEQUENCE_CHECKPOINT_DATA)
+ ok = 0;
+
+- dev->checkpointByteOffset = 0;
+- dev->checkpointPageSequence++;
+- dev->checkpointCurrentChunk++;
++ dev->checkpt_byte_offs = 0;
++ dev->checkpt_page_seq++;
++ dev->checkpt_cur_chunk++;
- if (dev->checkpointCurrentChunk >= dev->nChunksPerBlock)
-+ if (dev->checkpointCurrentChunk >= dev->param.nChunksPerBlock)
- dev->checkpointCurrentBlock = -1;
+- dev->checkpointCurrentBlock = -1;
++ if (dev->checkpt_cur_chunk >= dev->param.chunks_per_block)
++ dev->checkpt_cur_block = -1;
}
}
-@@ -342,17 +348,20 @@ int yaffs_CheckpointRead(yaffs_Device *d
+
+ if (ok) {
+- *dataBytes = dev->checkpointBuffer[dev->checkpointByteOffset];
+- dev->checkpointSum += *dataBytes;
+- dev->checkpointXor ^= *dataBytes;
+- dev->checkpointByteOffset++;
++ *dataBytes = dev->checkpt_buffer[dev->checkpt_byte_offs];
++ dev->checkpt_sum += *dataBytes;
++ dev->checkpt_xor ^= *dataBytes;
++ dev->checkpt_byte_offs++;
+ i++;
+ dataBytes++;
+- dev->checkpointByteCount++;
++ dev->checkpt_byte_count++;
+ }
+ }
+
return i;
}
-int yaffs_CheckpointClose(yaffs_Device *dev)
-+int yaffs2_CheckpointClose(yaffs_Device *dev)
++int yaffs_checkpt_close(yaffs_dev_t *dev)
{
- if (dev->checkpointOpenForWrite) {
- if (dev->checkpointByteOffset != 0)
+- if (dev->checkpointOpenForWrite) {
+- if (dev->checkpointByteOffset != 0)
- yaffs_CheckpointFlushBuffer(dev);
- } else {
-+ yaffs2_CheckpointFlushBuffer(dev);
-+ } else if(dev->checkpointBlockList){
++ if (dev->checkpt_open_write) {
++ if (dev->checkpt_byte_offs != 0)
++ yaffs2_checkpt_flush_buffer(dev);
++ } else if(dev->checkpt_block_list){
int i;
- for (i = 0; i < dev->blocksInCheckpoint && dev->checkpointBlockList[i] >= 0; i++) {
+- for (i = 0; i < dev->blocksInCheckpoint && dev->checkpointBlockList[i] >= 0; i++) {
- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, dev->checkpointBlockList[i]);
- if (bi->blockState == YAFFS_BLOCK_STATE_EMPTY)
-+ int blk = dev->checkpointBlockList[i];
-+ yaffs_BlockInfo *bi = NULL;
-+ if( dev->internalStartBlock <= blk && blk <= dev->internalEndBlock)
-+ bi = yaffs_GetBlockInfo(dev, blk);
-+ if (bi && bi->blockState == YAFFS_BLOCK_STATE_EMPTY)
- bi->blockState = YAFFS_BLOCK_STATE_CHECKPOINT;
+- bi->blockState = YAFFS_BLOCK_STATE_CHECKPOINT;
++ for (i = 0; i < dev->blocks_in_checkpt && dev->checkpt_block_list[i] >= 0; i++) {
++ int blk = dev->checkpt_block_list[i];
++ yaffs_block_info_t *bi = NULL;
++ if( dev->internal_start_block <= blk && blk <= dev->internal_end_block)
++ bi = yaffs_get_block_info(dev, blk);
++ if (bi && bi->block_state == YAFFS_BLOCK_STATE_EMPTY)
++ bi->block_state = YAFFS_BLOCK_STATE_CHECKPOINT;
else {
/* Todo this looks odd... */
-@@ -362,7 +371,7 @@ int yaffs_CheckpointClose(yaffs_Device *
- dev->checkpointBlockList = NULL;
+ }
+ }
+- YFREE(dev->checkpointBlockList);
+- dev->checkpointBlockList = NULL;
++ YFREE(dev->checkpt_block_list);
++ dev->checkpt_block_list = NULL;
}
- dev->nFreeChunks -= dev->blocksInCheckpoint * dev->nChunksPerBlock;
-+ dev->nFreeChunks -= dev->blocksInCheckpoint * dev->param.nChunksPerBlock;
- dev->nErasedBlocks -= dev->blocksInCheckpoint;
+- dev->nErasedBlocks -= dev->blocksInCheckpoint;
++ dev->n_free_chunks -= dev->blocks_in_checkpt * dev->param.chunks_per_block;
++ dev->n_erased_blocks -= dev->blocks_in_checkpt;
-@@ -378,16 +387,14 @@ int yaffs_CheckpointClose(yaffs_Device *
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("checkpoint byte count %d" TENDSTR),
+- dev->checkpointByteCount));
++ dev->checkpt_byte_count));
+
+- if (dev->checkpointBuffer) {
++ if (dev->checkpt_buffer) {
+ /* free the buffer */
+- YFREE(dev->checkpointBuffer);
+- dev->checkpointBuffer = NULL;
++ YFREE(dev->checkpt_buffer);
++ dev->checkpt_buffer = NULL;
+ return 1;
+ } else
return 0;
}
-int yaffs_CheckpointInvalidateStream(yaffs_Device *dev)
-+int yaffs2_CheckpointInvalidateStream(yaffs_Device *dev)
++int yaffs2_checkpt_invalidate_stream(yaffs_dev_t *dev)
{
- /* Erase the first checksum block */
-
@@ -1194,15 +1485,16 @@
- if (!yaffs_CheckpointSpaceOk(dev))
- return 0;
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("checkpoint invalidate of %d blocks"TENDSTR),
-+ dev->blocksInCheckpoint));
++ dev->blocks_in_checkpt));
- return yaffs_CheckpointErase(dev);
-+ return yaffs2_CheckpointErase(dev);
++ return yaffs_checkpt_erase(dev);
}
---- a/fs/yaffs2/yaffs_checkptrw.h
-+++ b/fs/yaffs2/yaffs_checkptrw.h
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/yaffs_checkptrw.h linux-2.6.36-rc8.new/fs/yaffs2/yaffs_checkptrw.h
+--- linux-2.6.36-rc8/fs/yaffs2/yaffs_checkptrw.h 2010-10-20 13:17:58.941000294 +0300
++++ linux-2.6.36-rc8.new/fs/yaffs2/yaffs_checkptrw.h 2010-10-20 13:28:16.058000294 +0300
@@ -1,7 +1,7 @@
/*
* YAFFS: Yet another Flash File System . A NAND-flash specific file system.
@@ -1217,28 +1509,29 @@
#include "yaffs_guts.h"
-int yaffs_CheckpointOpen(yaffs_Device *dev, int forWriting);
-+int yaffs2_CheckpointOpen(yaffs_Device *dev, int forWriting);
++int yaffs2_checkpt_open(yaffs_dev_t *dev, int forWriting);
-int yaffs_CheckpointWrite(yaffs_Device *dev, const void *data, int nBytes);
-+int yaffs2_CheckpointWrite(yaffs_Device *dev, const void *data, int nBytes);
++int yaffs2_checkpt_wr(yaffs_dev_t *dev, const void *data, int n_bytes);
-int yaffs_CheckpointRead(yaffs_Device *dev, void *data, int nBytes);
-+int yaffs2_CheckpointRead(yaffs_Device *dev, void *data, int nBytes);
++int yaffs2_checkpt_rd(yaffs_dev_t *dev, void *data, int n_bytes);
-int yaffs_GetCheckpointSum(yaffs_Device *dev, __u32 *sum);
-+int yaffs2_GetCheckpointSum(yaffs_Device *dev, __u32 *sum);
++int yaffs2_get_checkpt_sum(yaffs_dev_t *dev, __u32 *sum);
-int yaffs_CheckpointClose(yaffs_Device *dev);
-+int yaffs2_CheckpointClose(yaffs_Device *dev);
++int yaffs_checkpt_close(yaffs_dev_t *dev);
-int yaffs_CheckpointInvalidateStream(yaffs_Device *dev);
-+int yaffs2_CheckpointInvalidateStream(yaffs_Device *dev);
++int yaffs2_checkpt_invalidate_stream(yaffs_dev_t *dev);
#endif
-
---- a/fs/yaffs2/yaffs_ecc.c
-+++ b/fs/yaffs2/yaffs_ecc.c
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/yaffs_ecc.c linux-2.6.36-rc8.new/fs/yaffs2/yaffs_ecc.c
+--- linux-2.6.36-rc8/fs/yaffs2/yaffs_ecc.c 2010-10-20 13:17:58.942000294 +0300
++++ linux-2.6.36-rc8.new/fs/yaffs2/yaffs_ecc.c 2010-10-20 13:28:16.025000294 +0300
@@ -1,7 +1,7 @@
/*
* YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
@@ -1258,8 +1551,105 @@
#include "yportenv.h"
#include "yaffs_ecc.h"
---- a/fs/yaffs2/yaffs_ecc.h
-+++ b/fs/yaffs2/yaffs_ecc.h
+@@ -72,7 +69,7 @@ static const unsigned char column_parity
+
+ /* Count the bits in an unsigned char or a U32 */
+
+-static int yaffs_CountBits(unsigned char x)
++static int yaffs_count_bits(unsigned char x)
+ {
+ int r = 0;
+ while (x) {
+@@ -83,7 +80,7 @@ static int yaffs_CountBits(unsigned char
+ return r;
+ }
+
+-static int yaffs_CountBits32(unsigned x)
++static int yaffs_count_bits32(unsigned x)
+ {
+ int r = 0;
+ while (x) {
+@@ -95,7 +92,7 @@ static int yaffs_CountBits32(unsigned x)
+ }
+
+ /* Calculate the ECC for a 256-byte block of data */
+-void yaffs_ECCCalculate(const unsigned char *data, unsigned char *ecc)
++void yaffs_ecc_cacl(const unsigned char *data, unsigned char *ecc)
+ {
+ unsigned int i;
+
+@@ -166,7 +163,7 @@ void yaffs_ECCCalculate(const unsigned c
+
+ /* Correct the ECC on a 256 byte block of data */
+
+-int yaffs_ECCCorrect(unsigned char *data, unsigned char *read_ecc,
++int yaffs_ecc_correct(unsigned char *data, unsigned char *read_ecc,
+ const unsigned char *test_ecc)
+ {
+ unsigned char d0, d1, d2; /* deltas */
+@@ -226,9 +223,9 @@ int yaffs_ECCCorrect(unsigned char *data
+ return 1; /* Corrected the error */
+ }
+
+- if ((yaffs_CountBits(d0) +
+- yaffs_CountBits(d1) +
+- yaffs_CountBits(d2)) == 1) {
++ if ((yaffs_count_bits(d0) +
++ yaffs_count_bits(d1) +
++ yaffs_count_bits(d2)) == 1) {
+ /* Reccoverable error in ecc */
+
+ read_ecc[0] = test_ecc[0];
+@@ -248,7 +245,7 @@ int yaffs_ECCCorrect(unsigned char *data
+ /*
+ * ECCxxxOther does ECC calcs on arbitrary n bytes of data
+ */
+-void yaffs_ECCCalculateOther(const unsigned char *data, unsigned nBytes,
++void yaffs_ecc_calc_other(const unsigned char *data, unsigned n_bytes,
+ yaffs_ECCOther *eccOther)
+ {
+ unsigned int i;
+@@ -258,7 +255,7 @@ void yaffs_ECCCalculateOther(const unsig
+ unsigned line_parity_prime = 0;
+ unsigned char b;
+
+- for (i = 0; i < nBytes; i++) {
++ for (i = 0; i < n_bytes; i++) {
+ b = column_parity_table[*data++];
+ col_parity ^= b;
+
+@@ -275,7 +272,7 @@ void yaffs_ECCCalculateOther(const unsig
+ eccOther->lineParityPrime = line_parity_prime;
+ }
+
+-int yaffs_ECCCorrectOther(unsigned char *data, unsigned nBytes,
++int yaffs_ecc_correct_other(unsigned char *data, unsigned n_bytes,
+ yaffs_ECCOther *read_ecc,
+ const yaffs_ECCOther *test_ecc)
+ {
+@@ -304,7 +301,7 @@ int yaffs_ECCCorrectOther(unsigned char
+ if (cDelta & 0x02)
+ bit |= 0x01;
+
+- if (lDelta >= nBytes)
++ if (lDelta >= n_bytes)
+ return -1;
+
+ data[lDelta] ^= (1 << bit);
+@@ -312,8 +309,8 @@ int yaffs_ECCCorrectOther(unsigned char
+ return 1; /* corrected */
+ }
+
+- if ((yaffs_CountBits32(lDelta) + yaffs_CountBits32(lDeltaPrime) +
+- yaffs_CountBits(cDelta)) == 1) {
++ if ((yaffs_count_bits32(lDelta) + yaffs_count_bits32(lDeltaPrime) +
++ yaffs_count_bits(cDelta)) == 1) {
+ /* Reccoverable error in ecc */
+
+ *read_ecc = *test_ecc;
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/yaffs_ecc.h linux-2.6.36-rc8.new/fs/yaffs2/yaffs_ecc.h
+--- linux-2.6.36-rc8/fs/yaffs2/yaffs_ecc.h 2010-10-20 13:17:58.942000294 +0300
++++ linux-2.6.36-rc8.new/fs/yaffs2/yaffs_ecc.h 2010-10-20 13:28:16.058000294 +0300
@@ -1,7 +1,7 @@
/*
* YAFFS: Yet another Flash File System . A NAND-flash specific file system.
@@ -1269,8 +1659,27 @@
* for Toby Churchill Ltd and Brightstar Engineering
*
* Created by Charles Manning <charles@aleph1.co.uk>
---- a/fs/yaffs2/yaffs_fs.c
-+++ /dev/null
+@@ -32,13 +32,13 @@ typedef struct {
+ unsigned lineParityPrime;
+ } yaffs_ECCOther;
+
+-void yaffs_ECCCalculate(const unsigned char *data, unsigned char *ecc);
+-int yaffs_ECCCorrect(unsigned char *data, unsigned char *read_ecc,
++void yaffs_ecc_cacl(const unsigned char *data, unsigned char *ecc);
++int yaffs_ecc_correct(unsigned char *data, unsigned char *read_ecc,
+ const unsigned char *test_ecc);
+
+-void yaffs_ECCCalculateOther(const unsigned char *data, unsigned nBytes,
++void yaffs_ecc_calc_other(const unsigned char *data, unsigned n_bytes,
+ yaffs_ECCOther *ecc);
+-int yaffs_ECCCorrectOther(unsigned char *data, unsigned nBytes,
++int yaffs_ecc_correct_other(unsigned char *data, unsigned n_bytes,
+ yaffs_ECCOther *read_ecc,
+ const yaffs_ECCOther *test_ecc);
+ #endif
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/yaffs_fs.c linux-2.6.36-rc8.new/fs/yaffs2/yaffs_fs.c
+--- linux-2.6.36-rc8/fs/yaffs2/yaffs_fs.c 2010-10-20 13:17:58.944000294 +0300
++++ linux-2.6.36-rc8.new/fs/yaffs2/yaffs_fs.c 1970-01-01 02:00:00.000000000 +0200
@@ -1,2529 +0,0 @@
-/*
- * YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
@@ -3801,8 +4210,9 @@
-MODULE_DESCRIPTION("YAFFS2 - a NAND specific flash file system");
-MODULE_AUTHOR("Charles Manning, Aleph One Ltd., 2002-2006");
-MODULE_LICENSE("GPL");
---- a/fs/yaffs2/yaffs_getblockinfo.h
-+++ b/fs/yaffs2/yaffs_getblockinfo.h
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/yaffs_getblockinfo.h linux-2.6.36-rc8.new/fs/yaffs2/yaffs_getblockinfo.h
+--- linux-2.6.36-rc8/fs/yaffs2/yaffs_getblockinfo.h 2010-10-20 13:17:58.945000294 +0300
++++ linux-2.6.36-rc8.new/fs/yaffs2/yaffs_getblockinfo.h 2010-10-20 13:28:16.058000294 +0300
@@ -1,7 +1,7 @@
/*
* YAFFS: Yet another Flash File System . A NAND-flash specific file system.
@@ -3812,16 +4222,32 @@
* for Toby Churchill Ltd and Brightstar Engineering
*
* Created by Charles Manning <charles@aleph1.co.uk>
-@@ -17,6 +17,7 @@
+@@ -17,18 +17,19 @@
#define __YAFFS_GETBLOCKINFO_H__
#include "yaffs_guts.h"
+#include "yaffs_trace.h"
/* Function to manipulate block info */
- static Y_INLINE yaffs_BlockInfo *yaffs_GetBlockInfo(yaffs_Device * dev, int blk)
---- a/fs/yaffs2/yaffs_guts.c
-+++ b/fs/yaffs2/yaffs_guts.c
+-static Y_INLINE yaffs_BlockInfo *yaffs_GetBlockInfo(yaffs_Device * dev, int blk)
++static Y_INLINE yaffs_block_info_t *yaffs_get_block_info(yaffs_dev_t * dev, int blk)
+ {
+- if (blk < dev->internalStartBlock || blk > dev->internalEndBlock) {
++ if (blk < dev->internal_start_block || blk > dev->internal_end_block) {
+ T(YAFFS_TRACE_ERROR,
+ (TSTR
+ ("**>> yaffs: getBlockInfo block %d is not valid" TENDSTR),
+ blk));
+ YBUG();
+ }
+- return &dev->blockInfo[blk - dev->internalStartBlock];
++ return &dev->block_info[blk - dev->internal_start_block];
+ }
+
+ #endif
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/yaffs_guts.c linux-2.6.36-rc8.new/fs/yaffs2/yaffs_guts.c
+--- linux-2.6.36-rc8/fs/yaffs2/yaffs_guts.c 2010-10-20 13:17:58.951000294 +0300
++++ linux-2.6.36-rc8.new/fs/yaffs2/yaffs_guts.c 2010-10-20 13:28:16.027000294 +0300
@@ -1,7 +1,7 @@
/*
* YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
@@ -3844,7 +4270,7 @@
#include "yaffsinterface.h"
#include "yaffs_guts.h"
-@@ -22,22 +19,28 @@ const char *yaffs_guts_c_version =
+@@ -22,118 +19,109 @@ const char *yaffs_guts_c_version =
#include "yaffs_getblockinfo.h"
#include "yaffs_tagscompat.h"
@@ -3876,55 +4302,82 @@
+
/* Robustification (if it ever comes about...) */
- static void yaffs_RetireBlock(yaffs_Device *dev, int blockInNAND);
- static void yaffs_HandleWriteChunkError(yaffs_Device *dev, int chunkInNAND,
-@@ -49,33 +52,26 @@ static void yaffs_HandleUpdateChunk(yaff
- const yaffs_ExtendedTags *tags);
+-static void yaffs_RetireBlock(yaffs_Device *dev, int blockInNAND);
+-static void yaffs_HandleWriteChunkError(yaffs_Device *dev, int chunkInNAND,
++static void yaffs_retire_block(yaffs_dev_t *dev, int flash_block);
++static void yaffs_handle_chunk_wr_error(yaffs_dev_t *dev, int nand_chunk,
+ int erasedOk);
+-static void yaffs_HandleWriteChunkOk(yaffs_Device *dev, int chunkInNAND,
++static void yaffs_handle_chunk_wr_ok(yaffs_dev_t *dev, int nand_chunk,
+ const __u8 *data,
+- const yaffs_ExtendedTags *tags);
+-static void yaffs_HandleUpdateChunk(yaffs_Device *dev, int chunkInNAND,
+- const yaffs_ExtendedTags *tags);
++ const yaffs_ext_tags *tags);
++static void yaffs_handle_chunk_update(yaffs_dev_t *dev, int nand_chunk,
++ const yaffs_ext_tags *tags);
/* Other local prototypes */
-+static void yaffs_UpdateParent(yaffs_Object *obj);
- static int yaffs_UnlinkObject(yaffs_Object *obj);
- static int yaffs_ObjectHasCachedWriteData(yaffs_Object *obj);
-
--static void yaffs_HardlinkFixup(yaffs_Device *dev, yaffs_Object *hardList);
+-static int yaffs_UnlinkObject(yaffs_Object *obj);
+-static int yaffs_ObjectHasCachedWriteData(yaffs_Object *obj);
-
- static int yaffs_WriteNewChunkWithTagsToNAND(yaffs_Device *dev,
+-static void yaffs_HardlinkFixup(yaffs_Device *dev, yaffs_Object *hardList);
++static void yaffs_update_parent(yaffs_obj_t *obj);
++static int yaffs_unlink_obj(yaffs_obj_t *obj);
++static int yaffs_obj_cache_dirty(yaffs_obj_t *obj);
+
+-static int yaffs_WriteNewChunkWithTagsToNAND(yaffs_Device *dev,
++static int yaffs_write_new_chunk(yaffs_dev_t *dev,
const __u8 *buffer,
- yaffs_ExtendedTags *tags,
+- yaffs_ExtendedTags *tags,
++ yaffs_ext_tags *tags,
int useReserve);
-static int yaffs_PutChunkIntoFile(yaffs_Object *in, int chunkInInode,
- int chunkInNAND, int inScan);
-+
- static yaffs_Object *yaffs_CreateNewObject(yaffs_Device *dev, int number,
- yaffs_ObjectType type);
+-static yaffs_Object *yaffs_CreateNewObject(yaffs_Device *dev, int number,
+- yaffs_ObjectType type);
-static void yaffs_AddObjectToDirectory(yaffs_Object *directory,
- yaffs_Object *obj);
-static int yaffs_UpdateObjectHeader(yaffs_Object *in, const YCHAR *name,
- int force, int isShrink, int shadows);
-+
-+
-+static int yaffs_ApplyXMod(yaffs_Object *obj, char *buffer, yaffs_XAttrMod *xmod);
-+
- static void yaffs_RemoveObjectFromDirectory(yaffs_Object *obj);
- static int yaffs_CheckStructures(void);
+-static void yaffs_RemoveObjectFromDirectory(yaffs_Object *obj);
+-static int yaffs_CheckStructures(void);
-static int yaffs_DeleteWorker(yaffs_Object *in, yaffs_Tnode *tn, __u32 level,
- int chunkOffset, int *limit);
- static int yaffs_DoGenericObjectDeletion(yaffs_Object *in);
-
+-static int yaffs_DoGenericObjectDeletion(yaffs_Object *in);
+-
-static yaffs_BlockInfo *yaffs_GetBlockInfo(yaffs_Device *dev, int blockNo);
--
--
- static int yaffs_CheckChunkErased(struct yaffs_DeviceStruct *dev,
- int chunkInNAND);
-@@ -87,30 +83,22 @@ static int yaffs_TagsMatch(const yaffs_E
- static int yaffs_AllocateChunk(yaffs_Device *dev, int useReserve,
- yaffs_BlockInfo **blockUsedPtr);
++static yaffs_obj_t *yaffs_new_obj(yaffs_dev_t *dev, int number,
++ yaffs_obj_type type);
+
+-static int yaffs_CheckChunkErased(struct yaffs_DeviceStruct *dev,
+- int chunkInNAND);
+
+-static int yaffs_UnlinkWorker(yaffs_Object *obj);
++static int yaffs_apply_xattrib_mod(yaffs_obj_t *obj, char *buffer, yaffs_xattr_mod *xmod);
+
+-static int yaffs_TagsMatch(const yaffs_ExtendedTags *tags, int objectId,
+- int chunkInObject);
++static void yaffs_remove_obj_from_dir(yaffs_obj_t *obj);
++static int yaffs_check_structures(void);
++static int yaffs_generic_obj_del(yaffs_obj_t *in);
++
++static int yaffs_check_chunk_erased(struct yaffs_dev_s *dev,
++ int nand_chunk);
+
+-static int yaffs_AllocateChunk(yaffs_Device *dev, int useReserve,
+- yaffs_BlockInfo **blockUsedPtr);
++static int yaffs_unlink_worker(yaffs_obj_t *obj);
-static void yaffs_VerifyFreeChunks(yaffs_Device *dev);
--
- static void yaffs_CheckObjectDetailsLoaded(yaffs_Object *in);
++static int yaffs_tags_match(const yaffs_ext_tags *tags, int obj_id,
++ int chunkInObject);
+
+-static void yaffs_CheckObjectDetailsLoaded(yaffs_Object *in);
++static int yaffs_alloc_chunk(yaffs_dev_t *dev, int useReserve,
++ yaffs_block_info_t **blockUsedPtr);
-static void yaffs_VerifyDirectory(yaffs_Object *directory);
-#ifdef YAFFS_PARANOID
@@ -3932,31 +4385,64 @@
-#else
-#define yaffs_CheckFileSanity(in)
-#endif
--
- static void yaffs_InvalidateWholeChunkCache(yaffs_Object *in);
- static void yaffs_InvalidateChunkCache(yaffs_Object *object, int chunkId);
++static void yaffs_check_obj_details_loaded(yaffs_obj_t *in);
++
++static void yaffs_invalidate_whole_cache(yaffs_obj_t *in);
++static void yaffs_invalidate_chunk_cache(yaffs_obj_t *object, int chunk_id);
+
+-static void yaffs_InvalidateWholeChunkCache(yaffs_Object *in);
+-static void yaffs_InvalidateChunkCache(yaffs_Object *object, int chunkId);
++static int yaffs_find_chunk_in_file(yaffs_obj_t *in, int inode_chunk,
++ yaffs_ext_tags *tags);
-static void yaffs_InvalidateCheckpoint(yaffs_Device *dev);
--
- static int yaffs_FindChunkInFile(yaffs_Object *in, int chunkInInode,
- yaffs_ExtendedTags *tags);
++static int yaffs_verify_chunk_written(yaffs_dev_t *dev,
++ int nand_chunk,
++ const __u8 *data,
++ yaffs_ext_tags *tags);
+
+-static int yaffs_FindChunkInFile(yaffs_Object *in, int chunkInInode,
+- yaffs_ExtendedTags *tags);
-static __u32 yaffs_GetChunkGroupBase(yaffs_Device *dev, yaffs_Tnode *tn,
- unsigned pos);
-static yaffs_Tnode *yaffs_FindLevel0Tnode(yaffs_Device *dev,
- yaffs_FileStructure *fStruct,
- __u32 chunkId);
-+static int yaffs_VerifyChunkWritten(yaffs_Device *dev,
-+ int chunkInNAND,
-+ const __u8 *data,
-+ yaffs_ExtendedTags *tags);
-+
-+
-+static void yaffs_LoadNameFromObjectHeader(yaffs_Device *dev,YCHAR *name, const YCHAR *ohName, int bufferSize);
-+static void yaffs_LoadObjectHeaderFromName(yaffs_Device *dev,YCHAR *ohName, const YCHAR *name);
++static void yaffs_load_name_from_oh(yaffs_dev_t *dev,YCHAR *name, const YCHAR *ohName, int bufferSize);
++static void yaffs_load_oh_from_name(yaffs_dev_t *dev,YCHAR *ohName, const YCHAR *name);
/* Function to calculate chunk and offset */
+
+-static void yaffs_AddrToChunk(yaffs_Device *dev, loff_t addr, int *chunkOut,
++static void yaffs_addr_to_chunk(yaffs_dev_t *dev, loff_t addr, int *chunkOut,
+ __u32 *offsetOut)
+ {
+ int chunk;
+ __u32 offset;
+
+- chunk = (__u32)(addr >> dev->chunkShift);
++ chunk = (__u32)(addr >> dev->chunk_shift);
+
+- if (dev->chunkDiv == 1) {
++ if (dev->chunk_div == 1) {
+ /* easy power of 2 case */
+- offset = (__u32)(addr & dev->chunkMask);
++ offset = (__u32)(addr & dev->chunk_mask);
+ } else {
+ /* Non power-of-2 case */
+
+ loff_t chunkBase;
+
+- chunk /= dev->chunkDiv;
++ chunk /= dev->chunk_div;
+
+- chunkBase = ((loff_t)chunk) * dev->nDataBytesPerChunk;
++ chunkBase = ((loff_t)chunk) * dev->data_bytes_per_chunk;
+ offset = (__u32)(addr - chunkBase);
+ }
+
@@ -172,7 +160,7 @@ static __u32 ShiftsGE(__u32 x)
static __u32 Shifts(__u32 x)
@@ -3966,25 +4452,143 @@
nShifts = 0;
-@@ -203,7 +191,7 @@ static int yaffs_InitialiseTempBuffers(y
+@@ -193,49 +181,49 @@ static __u32 Shifts(__u32 x)
+ * Temporary buffer manipulations.
+ */
+
+-static int yaffs_InitialiseTempBuffers(yaffs_Device *dev)
++static int yaffs_init_tmp_buffers(yaffs_dev_t *dev)
+ {
+ int i;
+ __u8 *buf = (__u8 *)1;
+
+- memset(dev->tempBuffer, 0, sizeof(dev->tempBuffer));
++ memset(dev->temp_buffer, 0, sizeof(dev->temp_buffer));
+
for (i = 0; buf && i < YAFFS_N_TEMP_BUFFERS; i++) {
- dev->tempBuffer[i].line = 0; /* not in use */
- dev->tempBuffer[i].buffer = buf =
+- dev->tempBuffer[i].line = 0; /* not in use */
+- dev->tempBuffer[i].buffer = buf =
- YMALLOC_DMA(dev->totalBytesPerChunk);
-+ YMALLOC_DMA(dev->param.totalBytesPerChunk);
++ dev->temp_buffer[i].line = 0; /* not in use */
++ dev->temp_buffer[i].buffer = buf =
++ YMALLOC_DMA(dev->param.total_bytes_per_chunk);
}
return buf ? YAFFS_OK : YAFFS_FAIL;
-@@ -286,7 +274,7 @@ int yaffs_IsManagedTempBuffer(yaffs_Devi
+ }
+
+-__u8 *yaffs_GetTempBuffer(yaffs_Device *dev, int lineNo)
++__u8 *yaffs_get_temp_buffer(yaffs_dev_t *dev, int line_no)
+ {
+ int i, j;
+
+- dev->tempInUse++;
+- if (dev->tempInUse > dev->maxTemp)
+- dev->maxTemp = dev->tempInUse;
++ dev->temp_in_use++;
++ if (dev->temp_in_use > dev->max_temp)
++ dev->max_temp = dev->temp_in_use;
+
+ for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) {
+- if (dev->tempBuffer[i].line == 0) {
+- dev->tempBuffer[i].line = lineNo;
+- if ((i + 1) > dev->maxTemp) {
+- dev->maxTemp = i + 1;
++ if (dev->temp_buffer[i].line == 0) {
++ dev->temp_buffer[i].line = line_no;
++ if ((i + 1) > dev->max_temp) {
++ dev->max_temp = i + 1;
+ for (j = 0; j <= i; j++)
+- dev->tempBuffer[j].maxLine =
+- dev->tempBuffer[j].line;
++ dev->temp_buffer[j].max_line =
++ dev->temp_buffer[j].line;
+ }
+
+- return dev->tempBuffer[i].buffer;
++ return dev->temp_buffer[i].buffer;
+ }
+ }
+
+ T(YAFFS_TRACE_BUFFERS,
+ (TSTR("Out of temp buffers at line %d, other held by lines:"),
+- lineNo));
++ line_no));
+ for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++)
+- T(YAFFS_TRACE_BUFFERS, (TSTR(" %d "), dev->tempBuffer[i].line));
++ T(YAFFS_TRACE_BUFFERS, (TSTR(" %d "), dev->temp_buffer[i].line));
+
+ T(YAFFS_TRACE_BUFFERS, (TSTR(" " TENDSTR)));
+
+@@ -244,21 +232,21 @@ __u8 *yaffs_GetTempBuffer(yaffs_Device *
+ * This is not good.
+ */
+
+- dev->unmanagedTempAllocations++;
+- return YMALLOC(dev->nDataBytesPerChunk);
++ dev->unmanaged_buffer_allocs++;
++ return YMALLOC(dev->data_bytes_per_chunk);
+
+ }
+
+-void yaffs_ReleaseTempBuffer(yaffs_Device *dev, __u8 *buffer,
+- int lineNo)
++void yaffs_release_temp_buffer(yaffs_dev_t *dev, __u8 *buffer,
++ int line_no)
+ {
+ int i;
+
+- dev->tempInUse--;
++ dev->temp_in_use--;
+
+ for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) {
+- if (dev->tempBuffer[i].buffer == buffer) {
+- dev->tempBuffer[i].line = 0;
++ if (dev->temp_buffer[i].buffer == buffer) {
++ dev->temp_buffer[i].line = 0;
+ return;
+ }
+ }
+@@ -267,9 +255,9 @@ void yaffs_ReleaseTempBuffer(yaffs_Devic
+ /* assume it is an unmanaged one. */
+ T(YAFFS_TRACE_BUFFERS,
+ (TSTR("Releasing unmanaged temp buffer in line %d" TENDSTR),
+- lineNo));
++ line_no));
+ YFREE(buffer);
+- dev->unmanagedTempDeallocations++;
++ dev->unmanaged_buffer_deallocs++;
+ }
+
+ }
+@@ -277,21 +265,21 @@ void yaffs_ReleaseTempBuffer(yaffs_Devic
+ /*
+ * Determine if we have a managed buffer.
+ */
+-int yaffs_IsManagedTempBuffer(yaffs_Device *dev, const __u8 *buffer)
++int yaffs_is_managed_tmp_buffer(yaffs_dev_t *dev, const __u8 *buffer)
+ {
+ int i;
+
+ for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) {
+- if (dev->tempBuffer[i].buffer == buffer)
++ if (dev->temp_buffer[i].buffer == buffer)
return 1;
}
- for (i = 0; i < dev->nShortOpCaches; i++) {
-+ for (i = 0; i < dev->param.nShortOpCaches; i++) {
- if (dev->srCache[i].data == buffer)
+- if (dev->srCache[i].data == buffer)
++ for (i = 0; i < dev->param.n_caches; i++) {
++ if (dev->cache[i].data == buffer)
return 1;
}
-@@ -299,6374 +287,4183 @@ int yaffs_IsManagedTempBuffer(yaffs_Devi
+
+- if (buffer == dev->checkpointBuffer)
++ if (buffer == dev->checkpt_buffer)
+ return 1;
+
+ T(YAFFS_TRACE_ALWAYS,
+@@ -299,6397 +287,4205 @@ int yaffs_IsManagedTempBuffer(yaffs_Devi
return 0;
}
@@ -4029,7 +4633,7 @@
+ */
-static Y_INLINE void yaffs_ClearChunkBit(yaffs_Device *dev, int blk, int chunk)
-+static Y_INLINE int yaffs_HashFunction(int n)
++static Y_INLINE int yaffs_hash_fn(int n)
{
- __u8 *blkBits = yaffs_BlockBits(dev, blk);
-
@@ -4054,17 +4658,17 @@
+ */
-static Y_INLINE int yaffs_CheckChunkBit(yaffs_Device *dev, int blk, int chunk)
-+yaffs_Object *yaffs_Root(yaffs_Device *dev)
++yaffs_obj_t *yaffs_root(yaffs_dev_t *dev)
{
- __u8 *blkBits = yaffs_BlockBits(dev, blk);
- yaffs_VerifyChunkBitId(dev, blk, chunk);
-
- return (blkBits[chunk / 8] & (1 << (chunk & 7))) ? 1 : 0;
-+ return dev->rootDir;
++ return dev->root_dir;
}
-static Y_INLINE int yaffs_StillSomeChunkBits(yaffs_Device *dev, int blk)
-+yaffs_Object *yaffs_LostNFound(yaffs_Device *dev)
++yaffs_obj_t *yaffs_lost_n_found(yaffs_dev_t *dev)
{
- __u8 *blkBits = yaffs_BlockBits(dev, blk);
- int i;
@@ -4074,7 +4678,7 @@
- blkBits++;
- }
- return 0;
-+ return dev->lostNFoundDir;
++ return dev->lost_n_found;
}
-static int yaffs_CountChunkBits(yaffs_Device *dev, int blk)
@@ -4111,11 +4715,11 @@
-}
-
-static int yaffs_SkipNANDVerification(yaffs_Device *dev)
-+int yaffs_CheckFF(__u8 *buffer, int nBytes)
++int yaffs_check_ff(__u8 *buffer, int n_bytes)
{
- return !(yaffs_traceMask & (YAFFS_TRACE_VERIFY_NAND));
+ /* Horrible, slow implementation */
-+ while (nBytes--) {
++ while (n_bytes--) {
+ if (*buffer != 0xFF)
+ return 0;
+ buffer++;
@@ -4137,24 +4741,24 @@
-};
-
-static void yaffs_VerifyBlock(yaffs_Device *dev, yaffs_BlockInfo *bi, int n)
-+static int yaffs_CheckChunkErased(struct yaffs_DeviceStruct *dev,
-+ int chunkInNAND)
++static int yaffs_check_chunk_erased(struct yaffs_dev_s *dev,
++ int nand_chunk)
{
- int actuallyUsed;
- int inUse;
+ int retval = YAFFS_OK;
-+ __u8 *data = yaffs_GetTempBuffer(dev, __LINE__);
-+ yaffs_ExtendedTags tags;
++ __u8 *data = yaffs_get_temp_buffer(dev, __LINE__);
++ yaffs_ext_tags tags;
+ int result;
- if (yaffs_SkipVerification(dev))
- return;
-+ result = yaffs_ReadChunkWithTagsFromNAND(dev, chunkInNAND, data, &tags);
++ result = yaffs_rd_chunk_tags_nand(dev, nand_chunk, data, &tags);
- /* Report illegal runtime states */
- if (bi->blockState >= YAFFS_NUMBER_OF_BLOCK_STATES)
- T(YAFFS_TRACE_VERIFY, (TSTR("Block %d has undefined state %d"TENDSTR), n, bi->blockState));
-+ if (tags.eccResult > YAFFS_ECC_RESULT_NO_ERROR)
++ if (tags.ecc_result > YAFFS_ECC_RESULT_NO_ERROR)
+ retval = YAFFS_FAIL;
- switch (bi->blockState) {
@@ -4163,9 +4767,9 @@
- case YAFFS_BLOCK_STATE_NEEDS_SCANNING:
- T(YAFFS_TRACE_VERIFY, (TSTR("Block %d has bad run-state %s"TENDSTR),
- n, blockStateName[bi->blockState]));
-+ if (!yaffs_CheckFF(data, dev->nDataBytesPerChunk) || tags.chunkUsed) {
++ if (!yaffs_check_ff(data, dev->data_bytes_per_chunk) || tags.chunk_used) {
+ T(YAFFS_TRACE_NANDACCESS,
-+ (TSTR("Chunk %d not erased" TENDSTR), chunkInNAND));
++ (TSTR("Chunk %d not erased" TENDSTR), nand_chunk));
+ retval = YAFFS_FAIL;
}
@@ -4179,7 +4783,7 @@
- T(YAFFS_TRACE_VERIFY, (TSTR("Block %d has illegal values pagesInUsed %d softDeletions %d"TENDSTR),
- n, bi->pagesInUse, bi->softDeletions));
-
-+ yaffs_ReleaseTempBuffer(dev, data, __LINE__);
++ yaffs_release_temp_buffer(dev, data, __LINE__);
- /* Check chunk bitmap legal */
- inUse = yaffs_CountChunkBits(dev, n);
@@ -4201,27 +4805,27 @@
-static void yaffs_VerifyCollectedBlock(yaffs_Device *dev, yaffs_BlockInfo *bi,
- int n)
+
-+static int yaffs_VerifyChunkWritten(yaffs_Device *dev,
-+ int chunkInNAND,
++static int yaffs_verify_chunk_written(yaffs_dev_t *dev,
++ int nand_chunk,
+ const __u8 *data,
-+ yaffs_ExtendedTags *tags)
++ yaffs_ext_tags *tags)
{
- yaffs_VerifyBlock(dev, bi, n);
+ int retval = YAFFS_OK;
-+ yaffs_ExtendedTags tempTags;
-+ __u8 *buffer = yaffs_GetTempBuffer(dev,__LINE__);
++ yaffs_ext_tags tempTags;
++ __u8 *buffer = yaffs_get_temp_buffer(dev,__LINE__);
+ int result;
+
-+ result = yaffs_ReadChunkWithTagsFromNAND(dev,chunkInNAND,buffer,&tempTags);
-+ if(memcmp(buffer,data,dev->nDataBytesPerChunk) ||
-+ tempTags.objectId != tags->objectId ||
-+ tempTags.chunkId != tags->chunkId ||
-+ tempTags.byteCount != tags->byteCount)
++ result = yaffs_rd_chunk_tags_nand(dev,nand_chunk,buffer,&tempTags);
++ if(memcmp(buffer,data,dev->data_bytes_per_chunk) ||
++ tempTags.obj_id != tags->obj_id ||
++ tempTags.chunk_id != tags->chunk_id ||
++ tempTags.n_bytes != tags->n_bytes)
+ retval = YAFFS_FAIL;
- /* After collection the block should be in the erased state */
- /* This will need to change if we do partial gc */
-+ yaffs_ReleaseTempBuffer(dev, buffer, __LINE__);
++ yaffs_release_temp_buffer(dev, buffer, __LINE__);
- if (bi->blockState != YAFFS_BLOCK_STATE_COLLECTING &&
- bi->blockState != YAFFS_BLOCK_STATE_EMPTY) {
@@ -4232,9 +4836,9 @@
}
-static void yaffs_VerifyBlocks(yaffs_Device *dev)
-+static int yaffs_WriteNewChunkWithTagsToNAND(struct yaffs_DeviceStruct *dev,
++static int yaffs_write_new_chunk(struct yaffs_dev_s *dev,
+ const __u8 *data,
-+ yaffs_ExtendedTags *tags,
++ yaffs_ext_tags *tags,
+ int useReserve)
{
- int i;
@@ -4261,20 +4865,20 @@
- T(YAFFS_TRACE_VERIFY, (TSTR(""TENDSTR)));
- T(YAFFS_TRACE_VERIFY, (TSTR("Block summary"TENDSTR)));
-+ yaffs2_InvalidateCheckpoint(dev);
++ yaffs2_checkpt_invalidate(dev);
- T(YAFFS_TRACE_VERIFY, (TSTR("%d blocks have illegal states"TENDSTR), nIllegalBlockStates));
- if (nBlocksPerState[YAFFS_BLOCK_STATE_ALLOCATING] > 1)
- T(YAFFS_TRACE_VERIFY, (TSTR("Too many allocating blocks"TENDSTR)));
+ do {
-+ yaffs_BlockInfo *bi = 0;
++ yaffs_block_info_t *bi = 0;
+ int erasedOk = 0;
- for (i = 0; i < YAFFS_NUMBER_OF_BLOCK_STATES; i++)
- T(YAFFS_TRACE_VERIFY,
- (TSTR("%s %d blocks"TENDSTR),
- blockStateName[i], nBlocksPerState[i]));
-+ chunk = yaffs_AllocateChunk(dev, useReserve, &bi);
++ chunk = yaffs_alloc_chunk(dev, useReserve, &bi);
+ if (chunk < 0) {
+ /* no space */
+ break;
@@ -4319,12 +4923,12 @@
- T(YAFFS_TRACE_VERIFY,
- (TSTR("Too many collecting blocks %d (max is 1)"TENDSTR),
- nBlocksPerState[YAFFS_BLOCK_STATE_COLLECTING]));
-+ if(dev->param.alwaysCheckErased)
-+ bi->skipErasedCheck = 0;
++ if(dev->param.always_check_erased)
++ bi->skip_erased_check = 0;
- T(YAFFS_TRACE_VERIFY, (TSTR(""TENDSTR)));
-+ if (!bi->skipErasedCheck) {
-+ erasedOk = yaffs_CheckChunkErased(dev, chunk);
++ if (!bi->skip_erased_check) {
++ erasedOk = yaffs_check_chunk_erased(dev, chunk);
+ if (erasedOk != YAFFS_OK) {
+ T(YAFFS_TRACE_ERROR,
+ (TSTR("**>> yaffs chunk %d was not erased"
@@ -4334,8 +4938,8 @@
+ /* If not erased, delete this one,
+ * skip rest of block and
+ * try another chunk */
-+ yaffs_DeleteChunk(dev,chunk,1,__LINE__);
-+ yaffs_SkipRestOfBlock(dev);
++ yaffs_chunk_del(dev,chunk,1,__LINE__);
++ yaffs_skip_rest_of_block(dev);
+ continue;
+ }
+ }
@@ -4348,7 +4952,7 @@
-{
- if (obj && yaffs_SkipVerification(obj->myDev))
- return;
-+ writeOk = yaffs_WriteChunkWithTagsToNAND(dev, chunk,
++ writeOk = yaffs_wr_chunk_tags_nand(dev, chunk,
+ data, tags);
- if (!(tags && obj && oh)) {
@@ -4357,8 +4961,8 @@
- (__u32)tags, (__u32)obj, (__u32)oh));
- return;
- }
-+ if(!bi->skipErasedCheck)
-+ writeOk = yaffs_VerifyChunkWritten(dev, chunk, data, tags);
++ if(!bi->skip_erased_check)
++ writeOk = yaffs_verify_chunk_written(dev, chunk, data, tags);
- if (oh->type <= YAFFS_OBJECT_TYPE_UNKNOWN ||
- oh->type > YAFFS_OBJECT_TYPE_MAX)
@@ -4368,7 +4972,7 @@
+ if (writeOk != YAFFS_OK) {
+ /* Clean up aborted write, skip to next block and
+ * try another chunk */
-+ yaffs_HandleWriteChunkError(dev, chunk, erasedOk);
++ yaffs_handle_chunk_wr_error(dev, chunk, erasedOk);
+ continue;
+ }
@@ -4376,10 +4980,10 @@
- T(YAFFS_TRACE_VERIFY,
- (TSTR("Obj %d header mismatch objectId %d"TENDSTR),
- tags->objectId, obj->objectId));
-+ bi->skipErasedCheck = 1;
++ bi->skip_erased_check = 1;
+ /* Copy the data into the robustification buffer */
-+ yaffs_HandleWriteChunkOk(dev, chunk, data, tags);
++ yaffs_handle_chunk_wr_ok(dev, chunk, data, tags);
- /*
- * Check that the object's parent ids match if parentCheck requested.
@@ -4412,7 +5016,7 @@
- T(YAFFS_TRACE_VERIFY,
- (TSTR("Obj %d header name is NULL"TENDSTR),
- obj->objectId));
-+ dev->nRetriedWrites += (attempts - 1);
++ dev->n_retired_writes += (attempts - 1);
+ }
- if (tags->objectId > 1 && ((__u8)(oh->name[0])) == 0xff) /* Trashed name */
@@ -4430,18 +5034,18 @@
-static int yaffs_VerifyTnodeWorker(yaffs_Object *obj, yaffs_Tnode *tn,
- __u32 level, int chunkOffset)
-+static void yaffs_RetireBlock(yaffs_Device *dev, int blockInNAND)
++static void yaffs_retire_block(yaffs_dev_t *dev, int flash_block)
{
- int i;
- yaffs_Device *dev = obj->myDev;
- int ok = 1;
-+ yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, blockInNAND);
++ yaffs_block_info_t *bi = yaffs_get_block_info(dev, flash_block);
- if (tn) {
- if (level > 0) {
-+ yaffs2_InvalidateCheckpoint(dev);
++ yaffs2_checkpt_invalidate(dev);
+
-+ yaffs2_ClearOldestDirtySequence(dev,bi);
++ yaffs2_clear_oldest_dirty_seq(dev,bi);
- for (i = 0; i < YAFFS_NTNODES_INTERNAL && ok; i++) {
- if (tn->internal[i]) {
@@ -4452,29 +5056,30 @@
- }
- }
- } else if (level == 0) {
-+ if (yaffs_MarkBlockBad(dev, blockInNAND) != YAFFS_OK) {
-+ if (yaffs_EraseBlockInNAND(dev, blockInNAND) != YAFFS_OK) {
+- yaffs_ExtendedTags tags;
+- __u32 objectId = obj->objectId;
++ if (yaffs_mark_bad(dev, flash_block) != YAFFS_OK) {
++ if (yaffs_erase_block(dev, flash_block) != YAFFS_OK) {
+ T(YAFFS_TRACE_ALWAYS, (TSTR(
+ "yaffs: Failed to mark bad and erase block %d"
-+ TENDSTR), blockInNAND));
++ TENDSTR), flash_block));
+ } else {
- yaffs_ExtendedTags tags;
-- __u32 objectId = obj->objectId;
-+ int chunkId = blockInNAND * dev->param.nChunksPerBlock;
++ yaffs_ext_tags tags;
++ int chunk_id = flash_block * dev->param.chunks_per_block;
- chunkOffset <<= YAFFS_TNODES_LEVEL0_BITS;
-+ __u8 *buffer = yaffs_GetTempBuffer(dev, __LINE__);
++ __u8 *buffer = yaffs_get_temp_buffer(dev, __LINE__);
- for (i = 0; i < YAFFS_NTNODES_LEVEL0; i++) {
- __u32 theChunk = yaffs_GetChunkGroupBase(dev, tn, i);
-+ memset(buffer, 0xff, dev->nDataBytesPerChunk);
-+ yaffs_InitialiseTags(&tags);
-+ tags.sequenceNumber = YAFFS_SEQUENCE_BAD_BLOCK;
-+ if (dev->param.writeChunkWithTagsToNAND(dev, chunkId -
-+ dev->chunkOffset, buffer, &tags) != YAFFS_OK)
++ memset(buffer, 0xff, dev->data_bytes_per_chunk);
++ yaffs_init_tags(&tags);
++ tags.seq_number = YAFFS_SEQUENCE_BAD_BLOCK;
++ if (dev->param.write_chunk_tags_fn(dev, chunk_id -
++ dev->chunk_offset, buffer, &tags) != YAFFS_OK)
+ T(YAFFS_TRACE_ALWAYS, (TSTR("yaffs: Failed to "
+ TCONT("write bad block marker to block %d")
-+ TENDSTR), blockInNAND));
++ TENDSTR), flash_block));
- if (theChunk > 0) {
- /* T(~0,(TSTR("verifying (%d:%d) %d"TENDSTR),tags.objectId,tags.chunkId,theChunk)); */
@@ -4487,16 +5092,16 @@
- }
- chunkOffset++;
- }
-+ yaffs_ReleaseTempBuffer(dev, buffer, __LINE__);
++ yaffs_release_temp_buffer(dev, buffer, __LINE__);
}
}
- return ok;
-+ bi->blockState = YAFFS_BLOCK_STATE_DEAD;
-+ bi->gcPrioritise = 0;
-+ bi->needsRetiring = 0;
++ bi->block_state = YAFFS_BLOCK_STATE_DEAD;
++ bi->gc_prioritise = 0;
++ bi->needs_retiring = 0;
-+ dev->nRetiredBlocks++;
++ dev->n_retired_blocks++;
}
+/*
@@ -4505,9 +5110,9 @@
+ */
-static void yaffs_VerifyFile(yaffs_Object *obj)
-+static void yaffs_HandleWriteChunkOk(yaffs_Device *dev, int chunkInNAND,
++static void yaffs_handle_chunk_wr_ok(yaffs_dev_t *dev, int nand_chunk,
+ const __u8 *data,
-+ const yaffs_ExtendedTags *tags)
++ const yaffs_ext_tags *tags)
{
- int requiredTallness;
- int actualTallness;
@@ -4519,34 +5124,34 @@
- yaffs_Tnode *tn;
- __u32 objectId;
+ dev=dev;
-+ chunkInNAND=chunkInNAND;
++ nand_chunk=nand_chunk;
+ data=data;
+ tags=tags;
+}
- if (!obj)
- return;
-+static void yaffs_HandleUpdateChunk(yaffs_Device *dev, int chunkInNAND,
-+ const yaffs_ExtendedTags *tags)
++static void yaffs_handle_chunk_update(yaffs_dev_t *dev, int nand_chunk,
++ const yaffs_ext_tags *tags)
+{
+ dev=dev;
-+ chunkInNAND=chunkInNAND;
++ nand_chunk=nand_chunk;
+ tags=tags;
+}
- if (yaffs_SkipVerification(obj->myDev))
- return;
-+void yaffs_HandleChunkError(yaffs_Device *dev, yaffs_BlockInfo *bi)
++void yaffs_handle_chunk_error(yaffs_dev_t *dev, yaffs_block_info_t *bi)
+{
-+ if (!bi->gcPrioritise) {
-+ bi->gcPrioritise = 1;
-+ dev->hasPendingPrioritisedGCs = 1;
-+ bi->chunkErrorStrikes++;
++ if (!bi->gc_prioritise) {
++ bi->gc_prioritise = 1;
++ dev->has_pending_prioritised_gc = 1;
++ bi->chunk_error_strikes++;
- dev = obj->myDev;
- objectId = obj->objectId;
-+ if (bi->chunkErrorStrikes > 3) {
-+ bi->needsRetiring = 1; /* Too many stikes, so retire this */
++ if (bi->chunk_error_strikes > 3) {
++ bi->needs_retiring = 1; /* Too many stikes, so retire this */
+ T(YAFFS_TRACE_ALWAYS, (TSTR("yaffs: Block struck out" TENDSTR)));
- /* Check file size is consistent with tnode depth */
@@ -4559,51 +5164,42 @@
+ }
}
+}
-+
-+static void yaffs_HandleWriteChunkError(yaffs_Device *dev, int chunkInNAND,
-+ int erasedOk)
-+{
-+ int blockInNAND = chunkInNAND / dev->param.nChunksPerBlock;
-+ yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, blockInNAND);
- actualTallness = obj->variant.fileVariant.topLevel;
-+ yaffs_HandleChunkError(dev, bi);
++static void yaffs_handle_chunk_wr_error(yaffs_dev_t *dev, int nand_chunk,
++ int erasedOk)
++{
++ int flash_block = nand_chunk / dev->param.chunks_per_block;
++ yaffs_block_info_t *bi = yaffs_get_block_info(dev, flash_block);
- if (requiredTallness > actualTallness)
- T(YAFFS_TRACE_VERIFY,
- (TSTR("Obj %d had tnode tallness %d, needs to be %d"TENDSTR),
- obj->objectId, actualTallness, requiredTallness));
++ yaffs_handle_chunk_error(dev, bi);
+
+ if (erasedOk) {
+ /* Was an actual write failure, so mark the block for retirement */
-+ bi->needsRetiring = 1;
++ bi->needs_retiring = 1;
+ T(YAFFS_TRACE_ERROR | YAFFS_TRACE_BAD_BLOCKS,
-+ (TSTR("**>> Block %d needs retiring" TENDSTR), blockInNAND));
++ (TSTR("**>> Block %d needs retiring" TENDSTR), flash_block));
+ }
-+
-+ /* Delete the chunk */
-+ yaffs_DeleteChunk(dev, chunkInNAND, 1, __LINE__);
-+ yaffs_SkipRestOfBlock(dev);
-+}
-
- /* Check that the chunks in the tnode tree are all correct.
- * We do this by scanning through the tnode tree and
- * checking the tags for every chunk match.
- */
-+/*---------------- Name handling functions ------------*/
++ /* Delete the chunk */
++ yaffs_chunk_del(dev, nand_chunk, 1, __LINE__);
++ yaffs_skip_rest_of_block(dev);
++}
- if (yaffs_SkipNANDVerification(dev))
- return;
-+static __u16 yaffs_CalcNameSum(const YCHAR *name)
-+{
-+ __u16 sum = 0;
-+ __u16 i = 1;
- for (i = 1; i <= lastChunk; i++) {
- tn = yaffs_FindLevel0Tnode(dev, &obj->variant.fileVariant, i);
-+ const YUCHAR *bname = (const YUCHAR *) name;
-+ if (bname) {
-+ while ((*bname) && (i < (YAFFS_MAX_NAME_LENGTH/2))) {
++/*---------------- Name handling functions ------------*/
- if (tn) {
- __u32 theChunk = yaffs_GetChunkGroupBase(dev, tn, i);
@@ -4616,6 +5212,15 @@
- tags.objectId, tags.chunkId));
- }
- }
++static __u16 yaffs_calc_name_sum(const YCHAR *name)
++{
++ __u16 sum = 0;
++ __u16 i = 1;
++
++ const YUCHAR *bname = (const YUCHAR *) name;
++ if (bname) {
++ while ((*bname) && (i < (YAFFS_MAX_NAME_LENGTH/2))) {
++
+#ifdef CONFIG_YAFFS_CASE_INSENSITIVE
+ sum += yaffs_toupper(*bname) * i;
+#else
@@ -4630,72 +5235,47 @@
-
-static void yaffs_VerifyHardLink(yaffs_Object *obj)
-+void yaffs_SetObjectName(yaffs_Object *obj, const YCHAR *name)
++void yaffs_set_obj_name(yaffs_obj_t *obj, const YCHAR *name)
{
- if (obj && yaffs_SkipVerification(obj->myDev))
- return;
-+#ifdef CONFIG_YAFFS_SHORT_NAMES_IN_RAM
-+ memset(obj->shortName, 0, sizeof(YCHAR) * (YAFFS_SHORT_NAME_LENGTH+1));
-+ if (name && yaffs_strnlen(name,YAFFS_SHORT_NAME_LENGTH+1) <= YAFFS_SHORT_NAME_LENGTH)
-+ yaffs_strcpy(obj->shortName, name);
-+ else
-+ obj->shortName[0] = _Y('\0');
-+#endif
-+ obj->sum = yaffs_CalcNameSum(name);
-+}
-
+-
- /* Verify sane equivalent object */
-+void yaffs_SetObjectNameFromOH(yaffs_Object *obj, const yaffs_ObjectHeader *oh)
-+{
-+#ifdef CONFIG_YAFFS_AUTO_UNICODE
-+ YCHAR tmpName[YAFFS_MAX_NAME_LENGTH+1];
-+ memset(tmpName,0,sizeof(tmpName));
-+ yaffs_LoadNameFromObjectHeader(obj->myDev,tmpName,oh->name,YAFFS_MAX_NAME_LENGTH+1);
-+ yaffs_SetObjectName(obj,tmpName);
-+#else
-+ yaffs_SetObjectName(obj,oh->name);
++#ifdef CONFIG_YAFFS_SHORT_NAMES_IN_RAM
++ memset(obj->short_name, 0, sizeof(YCHAR) * (YAFFS_SHORT_NAME_LENGTH+1));
++ if (name && yaffs_strnlen(name,YAFFS_SHORT_NAME_LENGTH+1) <= YAFFS_SHORT_NAME_LENGTH)
++ yaffs_strcpy(obj->short_name, name);
++ else
++ obj->short_name[0] = _Y('\0');
+#endif
++ obj->sum = yaffs_calc_name_sum(name);
}
-static void yaffs_VerifySymlink(yaffs_Object *obj)
-+/*-------------------- TNODES -------------------
-+
-+ * List of spare tnodes
-+ * The list is hooked together using the first pointer
-+ * in the tnode.
-+ */
-+
-+
-+yaffs_Tnode *yaffs_GetTnode(yaffs_Device *dev)
++void yaffs_set_obj_name_from_oh(yaffs_obj_t *obj, const yaffs_obj_header *oh)
{
- if (obj && yaffs_SkipVerification(obj->myDev))
- return;
-+ yaffs_Tnode *tn = yaffs_AllocateRawTnode(dev);
-+ if (tn){
-+ memset(tn, 0, dev->tnodeSize);
-+ dev->nTnodes++;
-+ }
-+
-+ dev->nCheckpointBlocksRequired = 0; /* force recalculation*/
-
+-
- /* Verify symlink string */
-+ return tn;
++#ifdef CONFIG_YAFFS_AUTO_UNICODE
++ YCHAR tmpName[YAFFS_MAX_NAME_LENGTH+1];
++ memset(tmpName,0,sizeof(tmpName));
++ yaffs_load_name_from_oh(obj->my_dev,tmpName,oh->name,YAFFS_MAX_NAME_LENGTH+1);
++ yaffs_set_obj_name(obj,tmpName);
++#else
++ yaffs_set_obj_name(obj,oh->name);
++#endif
}
-static void yaffs_VerifySpecial(yaffs_Object *obj)
-+/* FreeTnode frees up a tnode and puts it back on the free list */
-+static void yaffs_FreeTnode(yaffs_Device *dev, yaffs_Tnode *tn)
- {
+-{
- if (obj && yaffs_SkipVerification(obj->myDev))
- return;
-+ yaffs_FreeRawTnode(dev,tn);
-+ dev->nTnodes--;
-+ dev->nCheckpointBlocksRequired = 0; /* force recalculation*/
- }
-
+-}
+-
-static void yaffs_VerifyObject(yaffs_Object *obj)
-+static void yaffs_DeinitialiseTnodesAndObjects(yaffs_Device *dev)
- {
+-{
- yaffs_Device *dev;
-
- __u32 chunkMin;
@@ -4708,37 +5288,32 @@
-
- if (!obj)
- return;
-+ yaffs_DeinitialiseRawTnodesAndObjects(dev);
-+ dev->nObjects = 0;
-+ dev->nTnodes = 0;
-+}
-
+-
- if (obj->beingCreated)
- return;
++/*-------------------- TNODES -------------------
- dev = obj->myDev;
-+void yaffs_LoadLevel0Tnode(yaffs_Device *dev, yaffs_Tnode *tn, unsigned pos,
-+ unsigned val)
-+{
-+ __u32 *map = (__u32 *)tn;
-+ __u32 bitInMap;
-+ __u32 bitInWord;
-+ __u32 wordInMap;
-+ __u32 mask;
++ * List of spare tnodes
++ * The list is hooked together using the first pointer
++ * in the tnode.
++ */
- if (yaffs_SkipVerification(dev))
- return;
-+ pos &= YAFFS_TNODES_LEVEL0_MASK;
-+ val >>= dev->chunkGroupBits;
- /* Check sane object header chunk */
-+ bitInMap = pos * dev->tnodeWidth;
-+ wordInMap = bitInMap / 32;
-+ bitInWord = bitInMap & (32 - 1);
++yaffs_tnode_t *yaffs_get_tnode(yaffs_dev_t *dev)
++{
++ yaffs_tnode_t *tn = yaffs_alloc_raw_tnode(dev);
++ if (tn){
++ memset(tn, 0, dev->tnode_size);
++ dev->n_tnodes++;
++ }
- chunkMin = dev->internalStartBlock * dev->nChunksPerBlock;
- chunkMax = (dev->internalEndBlock+1) * dev->nChunksPerBlock - 1;
-+ mask = dev->tnodeMask << bitInWord;
++ dev->checkpoint_blocks_required = 0; /* force recalculation*/
- chunkInRange = (((unsigned)(obj->hdrChunk)) >= chunkMin && ((unsigned)(obj->hdrChunk)) <= chunkMax);
- chunkIdOk = chunkInRange || obj->hdrChunk == 0;
@@ -4747,8 +5322,8 @@
- obj->hdrChunk / dev->nChunksPerBlock,
- obj->hdrChunk % dev->nChunksPerBlock);
- chunkShouldNotBeDeleted = chunkInRange && !chunkValid;
-+ map[wordInMap] &= ~mask;
-+ map[wordInMap] |= (mask & (val << bitInWord));
++ return tn;
++}
- if (!obj->fake &&
- (!chunkIdOk || chunkShouldNotBeDeleted)) {
@@ -4757,42 +5332,48 @@
- obj->objectId, obj->hdrChunk,
- chunkIdOk ? "" : ",out of range",
- chunkShouldNotBeDeleted ? ",marked as deleted" : ""));
-+ if (dev->tnodeWidth > (32 - bitInWord)) {
-+ bitInWord = (32 - bitInWord);
-+ wordInMap++;;
-+ mask = dev->tnodeMask >> (/*dev->tnodeWidth -*/ bitInWord);
-+ map[wordInMap] &= ~mask;
-+ map[wordInMap] |= (mask & (val >> bitInWord));
- }
+- }
++/* FreeTnode frees up a tnode and puts it back on the free list */
++static void yaffs_free_tnode(yaffs_dev_t *dev, yaffs_tnode_t *tn)
++{
++ yaffs_free_raw_tnode(dev,tn);
++ dev->n_tnodes--;
++ dev->checkpoint_blocks_required = 0; /* force recalculation*/
+}
- if (chunkValid && !yaffs_SkipNANDVerification(dev)) {
- yaffs_ExtendedTags tags;
- yaffs_ObjectHeader *oh;
- __u8 *buffer = yaffs_GetTempBuffer(dev, __LINE__);
--
++static void yaffs_deinit_tnodes_and_objs(yaffs_dev_t *dev)
++{
++ yaffs_deinit_raw_tnodes_and_objs(dev);
++ dev->n_obj = 0;
++ dev->n_tnodes = 0;
++}
+
- oh = (yaffs_ObjectHeader *)buffer;
-+__u32 yaffs_GetChunkGroupBase(yaffs_Device *dev, yaffs_Tnode *tn,
-+ unsigned pos)
+
+- yaffs_ReadChunkWithTagsFromNAND(dev, obj->hdrChunk, buffer,
+- &tags);
++void yaffs_load_tnode_0(yaffs_dev_t *dev, yaffs_tnode_t *tn, unsigned pos,
++ unsigned val)
+{
+ __u32 *map = (__u32 *)tn;
+ __u32 bitInMap;
+ __u32 bitInWord;
+ __u32 wordInMap;
-+ __u32 val;
-
-- yaffs_ReadChunkWithTagsFromNAND(dev, obj->hdrChunk, buffer,
-- &tags);
-+ pos &= YAFFS_TNODES_LEVEL0_MASK;
++ __u32 mask;
- yaffs_VerifyObjectHeader(obj, oh, &tags, 1);
-+ bitInMap = pos * dev->tnodeWidth;
-+ wordInMap = bitInMap / 32;
-+ bitInWord = bitInMap & (32 - 1);
++ pos &= YAFFS_TNODES_LEVEL0_MASK;
++ val >>= dev->chunk_grp_bits;
- yaffs_ReleaseTempBuffer(dev, buffer, __LINE__);
- }
-+ val = map[wordInMap] >> bitInWord;
++ bitInMap = pos * dev->tnode_width;
++ wordInMap = bitInMap / 32;
++ bitInWord = bitInMap & (32 - 1);
- /* Verify it has a parent */
- if (obj && !obj->fake &&
@@ -4800,11 +5381,8 @@
- T(YAFFS_TRACE_VERIFY,
- (TSTR("Obj %d has parent pointer %p which does not look like an object"TENDSTR),
- obj->objectId, obj->parent));
-+ if (dev->tnodeWidth > (32 - bitInWord)) {
-+ bitInWord = (32 - bitInWord);
-+ wordInMap++;;
-+ val |= (map[wordInMap] << bitInWord);
- }
+- }
++ mask = dev->tnode_mask << bitInWord;
- /* Verify parent is a directory */
- if (obj->parent && obj->parent->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) {
@@ -4812,8 +5390,8 @@
- (TSTR("Obj %d's parent is not a directory (type %d)"TENDSTR),
- obj->objectId, obj->parent->variantType));
- }
-+ val &= dev->tnodeMask;
-+ val <<= dev->chunkGroupBits;
++ map[wordInMap] &= ~mask;
++ map[wordInMap] |= (mask & (val << bitInWord));
- switch (obj->variantType) {
- case YAFFS_OBJECT_TYPE_FILE:
@@ -4837,39 +5415,36 @@
- (TSTR("Obj %d has illegaltype %d"TENDSTR),
- obj->objectId, obj->variantType));
- break;
-- }
-+ return val;
++ if (dev->tnode_width > (32 - bitInWord)) {
++ bitInWord = (32 - bitInWord);
++ wordInMap++;;
++ mask = dev->tnode_mask >> (/*dev->tnode_width -*/ bitInWord);
++ map[wordInMap] &= ~mask;
++ map[wordInMap] |= (mask & (val >> bitInWord));
+ }
}
-static void yaffs_VerifyObjects(yaffs_Device *dev)
-+/* ------------------- End of individual tnode manipulation -----------------*/
-+
-+/* ---------Functions to manipulate the look-up tree (made up of tnodes) ------
-+ * The look up tree is represented by the top tnode and the number of topLevel
-+ * in the tree. 0 means only the level 0 tnode is in the tree.
-+ */
-+
-+/* FindLevel0Tnode finds the level 0 tnode, if one exists. */
-+yaffs_Tnode *yaffs_FindLevel0Tnode(yaffs_Device *dev,
-+ yaffs_FileStructure *fStruct,
-+ __u32 chunkId)
++__u32 yaffs_get_group_base(yaffs_dev_t *dev, yaffs_tnode_t *tn,
++ unsigned pos)
{
- yaffs_Object *obj;
- int i;
- struct ylist_head *lh;
-+ yaffs_Tnode *tn = fStruct->top;
-+ __u32 i;
-+ int requiredTallness;
-+ int level = fStruct->topLevel;
++ __u32 *map = (__u32 *)tn;
++ __u32 bitInMap;
++ __u32 bitInWord;
++ __u32 wordInMap;
++ __u32 val;
- if (yaffs_SkipVerification(dev))
- return;
-+ dev=dev;
++ pos &= YAFFS_TNODES_LEVEL0_MASK;
- /* Iterate through the objects in each hash entry */
-+ /* Check sane level and chunk Id */
-+ if (level < 0 || level > YAFFS_TNODES_MAX_LEVEL)
-+ return NULL;
++ bitInMap = pos * dev->tnode_width;
++ wordInMap = bitInMap / 32;
++ bitInWord = bitInMap & (32 - 1);
- for (i = 0; i < YAFFS_NOBJECT_BUCKETS; i++) {
- ylist_for_each(lh, &dev->objectBucket[i].list) {
@@ -4878,81 +5453,66 @@
- yaffs_VerifyObject(obj);
- }
- }
-+ if (chunkId > YAFFS_MAX_CHUNK_ID)
-+ return NULL;
-+
-+ /* First check we're tall enough (ie enough topLevel) */
-+
-+ i = chunkId >> YAFFS_TNODES_LEVEL0_BITS;
-+ requiredTallness = 0;
-+ while (i) {
-+ i >>= YAFFS_TNODES_INTERNAL_BITS;
-+ requiredTallness++;
- }
+- }
-}
++ val = map[wordInMap] >> bitInWord;
-+ if (requiredTallness > fStruct->topLevel)
-+ return NULL; /* Not tall enough, so we can't find it */
++ if (dev->tnode_width > (32 - bitInWord)) {
++ bitInWord = (32 - bitInWord);
++ wordInMap++;;
++ val |= (map[wordInMap] << bitInWord);
++ }
-/*
- * Simple hash function. Needs to have a reasonable spread
- */
-+ /* Traverse down to level 0 */
-+ while (level > 0 && tn) {
-+ tn = tn->internal[(chunkId >>
-+ (YAFFS_TNODES_LEVEL0_BITS +
-+ (level - 1) *
-+ YAFFS_TNODES_INTERNAL_BITS)) &
-+ YAFFS_TNODES_INTERNAL_MASK];
-+ level--;
-+ }
++ val &= dev->tnode_mask;
++ val <<= dev->chunk_grp_bits;
-static Y_INLINE int yaffs_HashFunction(int n)
-{
- n = abs(n);
- return n % YAFFS_NOBJECT_BUCKETS;
-+ return tn;
++ return val;
}
-/*
- * Access functions to useful fake objects.
- * Note that root might have a presence in NAND if permissions are set.
-+/* AddOrFindLevel0Tnode finds the level 0 tnode if it exists, otherwise first expands the tree.
-+ * This happens in two steps:
-+ * 1. If the tree isn't tall enough, then make it taller.
-+ * 2. Scan down the tree towards the level 0 tnode adding tnodes if required.
-+ *
-+ * Used when modifying the tree.
-+ *
-+ * If the tn argument is NULL, then a fresh tnode will be added otherwise the specified tn will
-+ * be plugged into the ttree.
++/* ------------------- End of individual tnode manipulation -----------------*/
++
++/* ---------Functions to manipulate the look-up tree (made up of tnodes) ------
++ * The look up tree is represented by the top tnode and the number of top_level
++ * in the tree. 0 means only the level 0 tnode is in the tree.
*/
-yaffs_Object *yaffs_Root(yaffs_Device *dev)
-+yaffs_Tnode *yaffs_AddOrFindLevel0Tnode(yaffs_Device *dev,
-+ yaffs_FileStructure *fStruct,
-+ __u32 chunkId,
-+ yaffs_Tnode *passedTn)
++/* FindLevel0Tnode finds the level 0 tnode, if one exists. */
++yaffs_tnode_t *yaffs_find_tnode_0(yaffs_dev_t *dev,
++ yaffs_file_s *file_struct,
++ __u32 chunk_id)
{
- return dev->rootDir;
-}
++ yaffs_tnode_t *tn = file_struct->top;
++ __u32 i;
+ int requiredTallness;
-+ int i;
-+ int l;
-+ yaffs_Tnode *tn;
++ int level = file_struct->top_level;
-yaffs_Object *yaffs_LostNFound(yaffs_Device *dev)
-{
- return dev->lostNFoundDir;
-}
-+ __u32 x;
++ dev=dev;
++ /* Check sane level and chunk Id */
++ if (level < 0 || level > YAFFS_TNODES_MAX_LEVEL)
++ return NULL;
-/*
- * Erased NAND checking functions
- */
-+ /* Check sane level and page Id */
-+ if (fStruct->topLevel < 0 || fStruct->topLevel > YAFFS_TNODES_MAX_LEVEL)
++ if (chunk_id > YAFFS_MAX_CHUNK_ID)
+ return NULL;
-int yaffs_CheckFF(__u8 *buffer, int nBytes)
@@ -4962,10 +5522,17 @@
- if (*buffer != 0xFF)
- return 0;
- buffer++;
-- }
++ /* First check we're tall enough (ie enough top_level) */
++
++ i = chunk_id >> YAFFS_TNODES_LEVEL0_BITS;
++ requiredTallness = 0;
++ while (i) {
++ i >>= YAFFS_TNODES_INTERNAL_BITS;
++ requiredTallness++;
+ }
- return 1;
-}
--
+
-static int yaffs_CheckChunkErased(struct yaffs_DeviceStruct *dev,
- int chunkInNAND)
-{
@@ -4973,24 +5540,61 @@
- __u8 *data = yaffs_GetTempBuffer(dev, __LINE__);
- yaffs_ExtendedTags tags;
- int result;
--
++ if (requiredTallness > file_struct->top_level)
++ return NULL; /* Not tall enough, so we can't find it */
++
++ /* Traverse down to level 0 */
++ while (level > 0 && tn) {
++ tn = tn->internal[(chunk_id >>
++ (YAFFS_TNODES_LEVEL0_BITS +
++ (level - 1) *
++ YAFFS_TNODES_INTERNAL_BITS)) &
++ YAFFS_TNODES_INTERNAL_MASK];
++ level--;
++ }
+
- result = yaffs_ReadChunkWithTagsFromNAND(dev, chunkInNAND, data, &tags);
--
++ return tn;
++}
+
- if (tags.eccResult > YAFFS_ECC_RESULT_NO_ERROR)
- retval = YAFFS_FAIL;
--
++/* AddOrFindLevel0Tnode finds the level 0 tnode if it exists, otherwise first expands the tree.
++ * This happens in two steps:
++ * 1. If the tree isn't tall enough, then make it taller.
++ * 2. Scan down the tree towards the level 0 tnode adding tnodes if required.
++ *
++ * Used when modifying the tree.
++ *
++ * If the tn argument is NULL, then a fresh tnode will be added otherwise the specified tn will
++ * be plugged into the ttree.
++ */
+
- if (!yaffs_CheckFF(data, dev->nDataBytesPerChunk) || tags.chunkUsed) {
- T(YAFFS_TRACE_NANDACCESS,
- (TSTR("Chunk %d not erased" TENDSTR), chunkInNAND));
- retval = YAFFS_FAIL;
- }
--
++yaffs_tnode_t *yaffs_add_find_tnode_0(yaffs_dev_t *dev,
++ yaffs_file_s *file_struct,
++ __u32 chunk_id,
++ yaffs_tnode_t *passed_tn)
++{
++ int requiredTallness;
++ int i;
++ int l;
++ yaffs_tnode_t *tn;
+
- yaffs_ReleaseTempBuffer(dev, data, __LINE__);
--
++ __u32 x;
+
- return retval;
--
+
-}
--
++ /* Check sane level and page Id */
++ if (file_struct->top_level < 0 || file_struct->top_level > YAFFS_TNODES_MAX_LEVEL)
++ return NULL;
+
-static int yaffs_WriteNewChunkWithTagsToNAND(struct yaffs_DeviceStruct *dev,
- const __u8 *data,
- yaffs_ExtendedTags *tags,
@@ -4999,19 +5603,28 @@
- int attempts = 0;
- int writeOk = 0;
- int chunk;
--
++ if (chunk_id > YAFFS_MAX_CHUNK_ID)
++ return NULL;
+
- yaffs_InvalidateCheckpoint(dev);
--
++ /* First check we're tall enough (ie enough top_level) */
+
- do {
- yaffs_BlockInfo *bi = 0;
- int erasedOk = 0;
--
++ x = chunk_id >> YAFFS_TNODES_LEVEL0_BITS;
++ requiredTallness = 0;
++ while (x) {
++ x >>= YAFFS_TNODES_INTERNAL_BITS;
++ requiredTallness++;
++ }
+
- chunk = yaffs_AllocateChunk(dev, useReserve, &bi);
- if (chunk < 0) {
- /* no space */
- break;
- }
--
+
- /* First check this chunk is erased, if it needs
- * checking. The checking policy (unless forced
- * always on) is as follows:
@@ -5036,26 +5649,38 @@
- /* try another chunk */
- continue;
- }
--
++ if (requiredTallness > file_struct->top_level) {
++ /* Not tall enough, gotta make the tree taller */
++ for (i = file_struct->top_level; i < requiredTallness; i++) {
+
- /* let's give it a try */
- attempts++;
--
++ tn = yaffs_get_tnode(dev);
+
-#ifdef CONFIG_YAFFS_ALWAYS_CHECK_CHUNK_ERASED
- bi->skipErasedCheck = 0;
-#endif
- if (!bi->skipErasedCheck) {
- erasedOk = yaffs_CheckChunkErased(dev, chunk);
- if (erasedOk != YAFFS_OK) {
-- T(YAFFS_TRACE_ERROR,
++ if (tn) {
++ tn->internal[0] = file_struct->top;
++ file_struct->top = tn;
++ file_struct->top_level++;
++ } else {
+ T(YAFFS_TRACE_ERROR,
- (TSTR("**>> yaffs chunk %d was not erased"
- TENDSTR), chunk));
-
- /* try another chunk */
- continue;
-- }
++ (TSTR("yaffs: no more tnodes" TENDSTR)));
++ return NULL;
+ }
- bi->skipErasedCheck = 1;
-- }
--
+ }
++ }
+
- writeOk = yaffs_WriteChunkWithTagsToNAND(dev, chunk,
- data, tags);
- if (writeOk != YAFFS_OK) {
@@ -5063,37 +5688,99 @@
- /* try another chunk */
- continue;
- }
--
++ /* Traverse down to level 0, adding anything we need */
+
- /* Copy the data into the robustification buffer */
- yaffs_HandleWriteChunkOk(dev, chunk, data, tags);
--
++ l = file_struct->top_level;
++ tn = file_struct->top;
+
- } while (writeOk != YAFFS_OK &&
- (yaffs_wr_attempts <= 0 || attempts <= yaffs_wr_attempts));
--
++ if (l > 0) {
++ while (l > 0 && tn) {
++ x = (chunk_id >>
++ (YAFFS_TNODES_LEVEL0_BITS +
++ (l - 1) * YAFFS_TNODES_INTERNAL_BITS)) &
++ YAFFS_TNODES_INTERNAL_MASK;
+
- if (!writeOk)
- chunk = -1;
--
+
- if (attempts > 1) {
- T(YAFFS_TRACE_ERROR,
- (TSTR("**>> yaffs write required %d attempts" TENDSTR),
- attempts));
--
++ if ((l > 1) && !tn->internal[x]) {
++ /* Add missing non-level-zero tnode */
++ tn->internal[x] = yaffs_get_tnode(dev);
++ if(!tn->internal[x])
++ return NULL;
++ } else if (l == 1) {
++ /* Looking from level 1 at level 0 */
++ if (passed_tn) {
++ /* If we already have one, then release it.*/
++ if (tn->internal[x])
++ yaffs_free_tnode(dev, tn->internal[x]);
++ tn->internal[x] = passed_tn;
++
++ } else if (!tn->internal[x]) {
++ /* Don't have one, none passed in */
++ tn->internal[x] = yaffs_get_tnode(dev);
++ if(!tn->internal[x])
++ return NULL;
++ }
++ }
+
- dev->nRetriedWrites += (attempts - 1);
-- }
--
++ tn = tn->internal[x];
++ l--;
++ }
++ } else {
++ /* top is level 0 */
++ if (passed_tn) {
++ memcpy(tn, passed_tn, (dev->tnode_width * YAFFS_NTNODES_LEVEL0)/8);
++ yaffs_free_tnode(dev, passed_tn);
++ }
+ }
+
- return chunk;
--}
--
++ return tn;
+ }
+
-/*
- * Block retiring for handling a broken block.
- */
-
-static void yaffs_RetireBlock(yaffs_Device *dev, int blockInNAND)
--{
++static int yaffs_find_chunk_in_group(yaffs_dev_t *dev, int theChunk,
++ yaffs_ext_tags *tags, int obj_id,
++ int inode_chunk)
+ {
- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, blockInNAND);
--
++ int j;
+
- yaffs_InvalidateCheckpoint(dev);
--
++ for (j = 0; theChunk && j < dev->chunk_grp_size; j++) {
++ if (yaffs_check_chunk_bit(dev, theChunk / dev->param.chunks_per_block,
++ theChunk % dev->param.chunks_per_block)) {
++
++ if(dev->chunk_grp_size == 1)
++ return theChunk;
++ else {
++ yaffs_rd_chunk_tags_nand(dev, theChunk, NULL,
++ tags);
++ if (yaffs_tags_match(tags, obj_id, inode_chunk)) {
++ /* found it; */
++ return theChunk;
++ }
++ }
++ }
++ theChunk++;
++ }
++ return -1;
++}
+
- if (yaffs_MarkBlockBad(dev, blockInNAND) != YAFFS_OK) {
- if (yaffs_EraseBlockInNAND(dev, blockInNAND) != YAFFS_OK) {
- T(YAFFS_TRACE_ALWAYS, (TSTR(
@@ -5102,9 +5789,25 @@
- } else {
- yaffs_ExtendedTags tags;
- int chunkId = blockInNAND * dev->nChunksPerBlock;
--
++#if 0
++/* Experimental code not being used yet. Might speed up file deletion */
++/* DeleteWorker scans backwards through the tnode tree and deletes all the
++ * chunks and tnodes in the file.
++ * Returns 1 if the tree was deleted.
++ * Returns 0 if it stopped early due to hitting the limit and the delete is incomplete.
++ */
+
- __u8 *buffer = yaffs_GetTempBuffer(dev, __LINE__);
--
++static int yaffs_del_worker(yaffs_obj_t *in, yaffs_tnode_t *tn, __u32 level,
++ int chunk_offset, int *limit)
++{
++ int i;
++ int inode_chunk;
++ int theChunk;
++ yaffs_ext_tags tags;
++ int foundChunk;
++ yaffs_dev_t *dev = in->my_dev;
+
- memset(buffer, 0xff, dev->nDataBytesPerChunk);
- yaffs_InitialiseTags(&tags);
- tags.sequenceNumber = YAFFS_SEQUENCE_BAD_BLOCK;
@@ -5113,80 +5816,208 @@
- T(YAFFS_TRACE_ALWAYS, (TSTR("yaffs: Failed to "
- TCONT("write bad block marker to block %d")
- TENDSTR), blockInNAND));
--
++ int allDone = 1;
+
- yaffs_ReleaseTempBuffer(dev, buffer, __LINE__);
- }
- }
--
++ if (tn) {
++ if (level > 0) {
++ for (i = YAFFS_NTNODES_INTERNAL - 1; allDone && i >= 0;
++ i--) {
++ if (tn->internal[i]) {
++ if (limit && (*limit) < 0) {
++ allDone = 0;
++ } else {
++ allDone =
++ yaffs_del_worker(in,
++ tn->
++ internal
++ [i],
++ level -
++ 1,
++ (chunk_offset
++ <<
++ YAFFS_TNODES_INTERNAL_BITS)
++ + i,
++ limit);
++ }
++ if (allDone) {
++ yaffs_free_tnode(dev,
++ tn->
++ internal[i]);
++ tn->internal[i] = NULL;
++ }
++ }
++ }
++ return (allDone) ? 1 : 0;
++ } else if (level == 0) {
++ int hitLimit = 0;
+
- bi->blockState = YAFFS_BLOCK_STATE_DEAD;
- bi->gcPrioritise = 0;
- bi->needsRetiring = 0;
--
++ for (i = YAFFS_NTNODES_LEVEL0 - 1; i >= 0 && !hitLimit;
++ i--) {
++ theChunk = yaffs_get_group_base(dev, tn, i);
++ if (theChunk) {
+
- dev->nRetiredBlocks++;
-}
--
++ inode_chunk = (chunk_offset <<
++ YAFFS_TNODES_LEVEL0_BITS) + i;
+
-/*
- * Functions for robustisizing TODO
- *
- */
--
++ foundChunk =
++ yaffs_find_chunk_in_group(dev,
++ theChunk,
++ &tags,
++ in->obj_id,
++ inode_chunk);
+
-static void yaffs_HandleWriteChunkOk(yaffs_Device *dev, int chunkInNAND,
- const __u8 *data,
- const yaffs_ExtendedTags *tags)
-{
-}
--
++ if (foundChunk > 0) {
++ yaffs_chunk_del(dev,
++ foundChunk, 1,
++ __LINE__);
++ in->n_data_chunks--;
++ if (limit) {
++ *limit = *limit - 1;
++ if (*limit <= 0)
++ hitLimit = 1;
++ }
+
-static void yaffs_HandleUpdateChunk(yaffs_Device *dev, int chunkInNAND,
- const yaffs_ExtendedTags *tags)
-{
-}
--
++ }
+
-void yaffs_HandleChunkError(yaffs_Device *dev, yaffs_BlockInfo *bi)
-{
- if (!bi->gcPrioritise) {
- bi->gcPrioritise = 1;
- dev->hasPendingPrioritisedGCs = 1;
- bi->chunkErrorStrikes++;
--
++ yaffs_load_tnode_0(dev, tn, i, 0);
++ }
+
- if (bi->chunkErrorStrikes > 3) {
- bi->needsRetiring = 1; /* Too many stikes, so retire this */
- T(YAFFS_TRACE_ALWAYS, (TSTR("yaffs: Block struck out" TENDSTR)));
--
-- }
-- }
--}
--
++ }
++ return (i < 0) ? 1 : 0;
+
+ }
++
+ }
++
++ return 1;
++
+ }
+
-static void yaffs_HandleWriteChunkError(yaffs_Device *dev, int chunkInNAND,
- int erasedOk)
--{
++#endif
++
++static void yaffs_soft_del_chunk(yaffs_dev_t *dev, int chunk)
+ {
- int blockInNAND = chunkInNAND / dev->nChunksPerBlock;
- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, blockInNAND);
--
++ yaffs_block_info_t *theBlock;
++ unsigned block_no;
+
- yaffs_HandleChunkError(dev, bi);
--
++ T(YAFFS_TRACE_DELETION, (TSTR("soft delete chunk %d" TENDSTR), chunk));
+
- if (erasedOk) {
- /* Was an actual write failure, so mark the block for retirement */
- bi->needsRetiring = 1;
- T(YAFFS_TRACE_ERROR | YAFFS_TRACE_BAD_BLOCKS,
- (TSTR("**>> Block %d needs retiring" TENDSTR), blockInNAND));
-- }
++ block_no = chunk / dev->param.chunks_per_block;
++ theBlock = yaffs_get_block_info(dev, block_no);
++ if (theBlock) {
++ theBlock->soft_del_pages++;
++ dev->n_free_chunks++;
++ yaffs2_update_oldest_dirty_seq(dev, block_no, theBlock);
+ }
-
- /* Delete the chunk */
- yaffs_DeleteChunk(dev, chunkInNAND, 1, __LINE__);
--}
--
--
+ }
+
++/* SoftDeleteWorker scans backwards through the tnode tree and soft deletes all the chunks in the file.
++ * All soft deleting does is increment the block's softdelete count and pulls the chunk out
++ * of the tnode.
++ * Thus, essentially this is the same as DeleteWorker except that the chunks are soft deleted.
++ */
+
-/*---------------- Name handling functions ------------*/
-
-static __u16 yaffs_CalcNameSum(const YCHAR *name)
--{
++static int yaffs_soft_del_worker(yaffs_obj_t *in, yaffs_tnode_t *tn,
++ __u32 level, int chunk_offset)
+ {
- __u16 sum = 0;
- __u16 i = 1;
--
++ int i;
++ int theChunk;
++ int allDone = 1;
++ yaffs_dev_t *dev = in->my_dev;
+
- const YUCHAR *bname = (const YUCHAR *) name;
- if (bname) {
- while ((*bname) && (i < (YAFFS_MAX_NAME_LENGTH/2))) {
--
++ if (tn) {
++ if (level > 0) {
++
++ for (i = YAFFS_NTNODES_INTERNAL - 1; allDone && i >= 0;
++ i--) {
++ if (tn->internal[i]) {
++ allDone =
++ yaffs_soft_del_worker(in,
++ tn->
++ internal[i],
++ level - 1,
++ (chunk_offset
++ <<
++ YAFFS_TNODES_INTERNAL_BITS)
++ + i);
++ if (allDone) {
++ yaffs_free_tnode(dev,
++ tn->
++ internal[i]);
++ tn->internal[i] = NULL;
++ } else {
++ /* Hoosterman... how could this happen? */
++ }
++ }
++ }
++ return (allDone) ? 1 : 0;
++ } else if (level == 0) {
++
++ for (i = YAFFS_NTNODES_LEVEL0 - 1; i >= 0; i--) {
++ theChunk = yaffs_get_group_base(dev, tn, i);
++ if (theChunk) {
++ /* Note this does not find the real chunk, only the chunk group.
++ * We make an assumption that a chunk group is not larger than
++ * a block.
++ */
++ yaffs_soft_del_chunk(dev, theChunk);
++ yaffs_load_tnode_0(dev, tn, i, 0);
++ }
++
++ }
++ return 1;
+
-#ifdef CONFIG_YAFFS_CASE_INSENSITIVE
- sum += yaffs_toupper(*bname) * i;
-#else
@@ -5194,13 +6025,18 @@
-#endif
- i++;
- bname++;
-- }
-- }
+ }
++
+ }
- return sum;
--}
--
++
++ return 1;
++
+ }
+
-static void yaffs_SetObjectName(yaffs_Object *obj, const YCHAR *name)
--{
++static void yaffs_soft_del_file(yaffs_obj_t *obj)
+ {
-#ifdef CONFIG_YAFFS_SHORT_NAMES_IN_RAM
- memset(obj->shortName, 0, sizeof(YCHAR) * (YAFFS_SHORT_NAME_LENGTH+1));
- if (name && yaffs_strlen(name) <= YAFFS_SHORT_NAME_LENGTH)
@@ -5209,8 +6045,27 @@
- obj->shortName[0] = _Y('\0');
-#endif
- obj->sum = yaffs_CalcNameSum(name);
--}
--
++ if (obj->deleted &&
++ obj->variant_type == YAFFS_OBJECT_TYPE_FILE && !obj->soft_del) {
++ if (obj->n_data_chunks <= 0) {
++ /* Empty file with no duplicate object headers, just delete it immediately */
++ yaffs_free_tnode(obj->my_dev,
++ obj->variant.file_variant.top);
++ obj->variant.file_variant.top = NULL;
++ T(YAFFS_TRACE_TRACING,
++ (TSTR("yaffs: Deleting empty file %d" TENDSTR),
++ obj->obj_id));
++ yaffs_generic_obj_del(obj);
++ } else {
++ yaffs_soft_del_worker(obj,
++ obj->variant.file_variant.top,
++ obj->variant.file_variant.
++ top_level, 0);
++ obj->soft_del = 1;
++ }
++ }
+ }
+
-/*-------------------- TNODES -------------------
-
- * List of spare tnodes
@@ -5221,39 +6076,81 @@
-/* yaffs_CreateTnodes creates a bunch more tnodes and
- * adds them to the tnode free list.
- * Don't use this function directly
-- */
--
++/* Pruning removes any part of the file structure tree that is beyond the
++ * bounds of the file (ie that does not point to chunks).
++ *
++ * A file should only get pruned when its size is reduced.
++ *
++ * Before pruning, the chunks must be pulled from the tree and the
++ * level 0 tnode entries must be zeroed out.
++ * Could also use this for file deletion, but that's probably better handled
++ * by a special case.
++ *
++ * This function is recursive. For levels > 0 the function is called again on
++ * any sub-tree. For level == 0 we just check if the sub-tree has data.
++ * If there is no data in a subtree then it is pruned.
+ */
+
-static int yaffs_CreateTnodes(yaffs_Device *dev, int nTnodes)
--{
-- int i;
++static yaffs_tnode_t *yaffs_prune_worker(yaffs_dev_t *dev, yaffs_tnode_t *tn,
++ __u32 level, int del0)
+ {
+ int i;
- int tnodeSize;
- yaffs_Tnode *newTnodes;
- __u8 *mem;
- yaffs_Tnode *curr;
- yaffs_Tnode *next;
- yaffs_TnodeList *tnl;
--
++ int hasData;
+
- if (nTnodes < 1)
- return YAFFS_OK;
--
++ if (tn) {
++ hasData = 0;
+
- /* Calculate the tnode size in bytes for variable width tnode support.
- * Must be a multiple of 32-bits */
- tnodeSize = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8;
--
++ if(level > 0){
++ for (i = 0; i < YAFFS_NTNODES_INTERNAL; i++) {
++ if (tn->internal[i]) {
++ tn->internal[i] =
++ yaffs_prune_worker(dev, tn->internal[i],
++ level - 1,
++ (i == 0) ? del0 : 1);
++ }
+
- if (tnodeSize < sizeof(yaffs_Tnode))
- tnodeSize = sizeof(yaffs_Tnode);
--
++ if (tn->internal[i])
++ hasData++;
++ }
++ } else {
++ int tnode_size_u32 = dev->tnode_size/sizeof(__u32);
++ __u32 *map = (__u32 *)tn;
+
- /* make these things */
--
++ for(i = 0; !hasData && i < tnode_size_u32; i++){
++ if(map[i])
++ hasData++;
++ }
++ }
+
- newTnodes = YMALLOC(nTnodes * tnodeSize);
- mem = (__u8 *)newTnodes;
--
++ if (hasData == 0 && del0) {
++ /* Free and return NULL */
+
- if (!newTnodes) {
- T(YAFFS_TRACE_ERROR,
- (TSTR("yaffs: Could not allocate Tnodes" TENDSTR)));
- return YAFFS_FAIL;
- }
--
++ yaffs_free_tnode(dev, tn);
++ tn = NULL;
++ }
+
- /* Hook them into the free list */
-#if 0
- for (i = 0; i < nTnodes - 1; i++) {
@@ -5261,8 +6158,8 @@
-#ifdef CONFIG_YAFFS_TNODE_LIST_DEBUG
- newTnodes[i].internal[YAFFS_NTNODES_INTERNAL] = (void *)1;
-#endif
-- }
--
+ }
+
- newTnodes[nTnodes - 1].internal[0] = dev->freeTnodes;
-#ifdef CONFIG_YAFFS_TNODE_LIST_DEBUG
- newTnodes[nTnodes - 1].internal[YAFFS_NTNODES_INTERNAL] = (void *)1;
@@ -5275,22 +6172,48 @@
- next = (yaffs_Tnode *) &mem[(i+1) * tnodeSize];
- curr->internal[0] = next;
- }
--
++ return tn;
+
- curr = (yaffs_Tnode *) &mem[(nTnodes - 1) * tnodeSize];
- curr->internal[0] = dev->freeTnodes;
- dev->freeTnodes = (yaffs_Tnode *)mem;
--
++}
+
-#endif
--
--
++static int yaffs_prune_tree(yaffs_dev_t *dev,
++ yaffs_file_s *file_struct)
++{
++ int i;
++ int hasData;
++ int done = 0;
++ yaffs_tnode_t *tn;
+
++ if (file_struct->top_level > 0) {
++ file_struct->top =
++ yaffs_prune_worker(dev, file_struct->top, file_struct->top_level, 0);
++
++ /* Now we have a tree with all the non-zero branches NULL but the height
++ * is the same as it was.
++ * Let's see if we can trim internal tnodes to shorten the tree.
++ * We can do this if only the 0th element in the tnode is in use
++ * (ie all the non-zero are NULL)
++ */
+
- dev->nFreeTnodes += nTnodes;
- dev->nTnodesCreated += nTnodes;
--
++ while (file_struct->top_level && !done) {
++ tn = file_struct->top;
+
- /* Now add this bunch of tnodes to a list for freeing up.
- * NB If we can't add this to the management list it isn't fatal
- * but it just means we can't free this bunch of tnodes later.
- */
--
++ hasData = 0;
++ for (i = 1; i < YAFFS_NTNODES_INTERNAL; i++) {
++ if (tn->internal[i])
++ hasData++;
++ }
+
- tnl = YMALLOC(sizeof(yaffs_TnodeList));
- if (!tnl) {
- T(YAFFS_TRACE_ERROR,
@@ -5301,19 +6224,32 @@
- tnl->tnodes = newTnodes;
- tnl->next = dev->allocatedTnodeList;
- dev->allocatedTnodeList = tnl;
-- }
--
++ if (!hasData) {
++ file_struct->top = tn->internal[0];
++ file_struct->top_level--;
++ yaffs_free_tnode(dev, tn);
++ } else {
++ done = 1;
++ }
++ }
+ }
+
- T(YAFFS_TRACE_ALLOCATE, (TSTR("yaffs: Tnodes added" TENDSTR)));
-
-- return YAFFS_OK;
--}
--
+ return YAFFS_OK;
+ }
+
-/* GetTnode gets us a clean tnode. Tries to make allocate more if we run out */
--
++/*-------------------- End of File Structure functions.-------------------*/
++
+
-static yaffs_Tnode *yaffs_GetTnodeRaw(yaffs_Device *dev)
--{
++/* AllocateEmptyObject gets us a clean Object. Tries to make allocate more if we run out */
++static yaffs_obj_t *yaffs_alloc_empty_obj(yaffs_dev_t *dev)
+ {
- yaffs_Tnode *tn = NULL;
--
++ yaffs_obj_t *obj = yaffs_alloc_raw_obj(dev);
+
- /* If there are none left make more */
- if (!dev->freeTnodes)
- yaffs_CreateTnodes(dev, YAFFS_ALLOCATION_NTNODES);
@@ -5330,29 +6266,60 @@
- dev->freeTnodes = dev->freeTnodes->internal[0];
- dev->nFreeTnodes--;
- }
--
++ if (obj) {
++ dev->n_obj++;
+
- dev->nCheckpointBlocksRequired = 0; /* force recalculation*/
--
++ /* Now sweeten it up... */
+
- return tn;
-}
--
++ memset(obj, 0, sizeof(yaffs_obj_t));
++ obj->being_created = 1;
+
-static yaffs_Tnode *yaffs_GetTnode(yaffs_Device *dev)
-{
- yaffs_Tnode *tn = yaffs_GetTnodeRaw(dev);
- int tnodeSize = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8;
--
++ obj->my_dev = dev;
++ obj->hdr_chunk = 0;
++ obj->variant_type = YAFFS_OBJECT_TYPE_UNKNOWN;
++ YINIT_LIST_HEAD(&(obj->hard_links));
++ YINIT_LIST_HEAD(&(obj->hash_link));
++ YINIT_LIST_HEAD(&obj->siblings);
+
- if (tnodeSize < sizeof(yaffs_Tnode))
- tnodeSize = sizeof(yaffs_Tnode);
--
+
- if (tn)
- memset(tn, 0, tnodeSize);
--
++ /* Now make the directory sane */
++ if (dev->root_dir) {
++ obj->parent = dev->root_dir;
++ ylist_add(&(obj->siblings), &dev->root_dir->variant.dir_variant.children);
++ }
+
- return tn;
--}
--
++ /* Add it to the lost and found directory.
++ * NB Can't put root or lostNFound in lostNFound so
++ * check if lostNFound exists first
++ */
++ if (dev->lost_n_found)
++ yaffs_add_obj_to_dir(dev->lost_n_found, obj);
++
++ obj->being_created = 0;
++ }
++
++ dev->checkpoint_blocks_required = 0; /* force recalculation*/
++
++ return obj;
+ }
+
-/* FreeTnode frees up a tnode and puts it back on the free list */
-static void yaffs_FreeTnode(yaffs_Device *dev, yaffs_Tnode *tn)
--{
++static yaffs_obj_t *yaffs_create_fake_dir(yaffs_dev_t *dev, int number,
++ __u32 mode)
+ {
- if (tn) {
-#ifdef CONFIG_YAFFS_TNODE_LIST_DEBUG
- if (tn->internal[YAFFS_NTNODES_INTERNAL] != 0) {
@@ -5365,40 +6332,90 @@
- tn->internal[0] = dev->freeTnodes;
- dev->freeTnodes = tn;
- dev->nFreeTnodes++;
-- }
++
++ yaffs_obj_t *obj =
++ yaffs_new_obj(dev, number, YAFFS_OBJECT_TYPE_DIRECTORY);
++ if (obj) {
++ obj->fake = 1; /* it is fake so it might have no NAND presence... */
++ obj->rename_allowed = 0; /* ... and we're not allowed to rename it... */
++ obj->unlink_allowed = 0; /* ... or unlink it */
++ obj->deleted = 0;
++ obj->unlinked = 0;
++ obj->yst_mode = mode;
++ obj->my_dev = dev;
++ obj->hdr_chunk = 0; /* Not a valid chunk. */
++ }
++
++ return obj;
++
++}
++
++static void yaffs_unhash_obj(yaffs_obj_t *obj)
++{
++ int bucket;
++ yaffs_dev_t *dev = obj->my_dev;
++
++ /* If it is still linked into the bucket list, free from the list */
++ if (!ylist_empty(&obj->hash_link)) {
++ ylist_del_init(&obj->hash_link);
++ bucket = yaffs_hash_fn(obj->obj_id);
++ dev->obj_bucket[bucket].count--;
+ }
- dev->nCheckpointBlocksRequired = 0; /* force recalculation*/
--}
--
+ }
+
-static void yaffs_DeinitialiseTnodes(yaffs_Device *dev)
--{
++/* FreeObject frees up a Object and puts it back on the free list */
++static void yaffs_free_obj(yaffs_obj_t *obj)
+ {
- /* Free the list of allocated tnodes */
- yaffs_TnodeList *tmp;
--
++ yaffs_dev_t *dev = obj->my_dev;
++
++ T(YAFFS_TRACE_OS, (TSTR("FreeObject %p inode %p"TENDSTR), obj, obj->my_inode));
+
- while (dev->allocatedTnodeList) {
- tmp = dev->allocatedTnodeList->next;
--
++ if (!obj)
++ YBUG();
++ if (obj->parent)
++ YBUG();
++ if (!ylist_empty(&obj->siblings))
++ YBUG();
+
- YFREE(dev->allocatedTnodeList->tnodes);
- YFREE(dev->allocatedTnodeList);
- dev->allocatedTnodeList = tmp;
--
-- }
--
+
++ if (obj->my_inode) {
++ /* We're still hooked up to a cached inode.
++ * Don't delete now, but mark for later deletion
++ */
++ obj->defered_free = 1;
++ return;
+ }
+
- dev->freeTnodes = NULL;
- dev->nFreeTnodes = 0;
-}
--
++ yaffs_unhash_obj(obj);
+
-static void yaffs_InitialiseTnodes(yaffs_Device *dev)
-{
- dev->allocatedTnodeList = NULL;
- dev->freeTnodes = NULL;
- dev->nFreeTnodes = 0;
- dev->nTnodesCreated = 0;
--}
--
--
++ yaffs_free_raw_obj(dev,obj);
++ dev->n_obj--;
++ dev->checkpoint_blocks_required = 0; /* force recalculation*/
+ }
+
+
-void yaffs_PutLevel0Tnode(yaffs_Device *dev, yaffs_Tnode *tn, unsigned pos,
- unsigned val)
--{
++void yaffs_handle_defered_free(yaffs_obj_t *obj)
+ {
- __u32 *map = (__u32 *)tn;
- __u32 bitInMap;
- __u32 bitInWord;
@@ -5407,54 +6424,81 @@
-
- pos &= YAFFS_TNODES_LEVEL0_MASK;
- val >>= dev->chunkGroupBits;
--
++ if (obj->defered_free)
++ yaffs_free_obj(obj);
++}
+
- bitInMap = pos * dev->tnodeWidth;
- wordInMap = bitInMap / 32;
- bitInWord = bitInMap & (32 - 1);
--
++static void yaffs_init_tnodes_and_objs(yaffs_dev_t *dev)
++{
++ int i;
+
- mask = dev->tnodeMask << bitInWord;
--
++ dev->n_obj = 0;
++ dev->n_tnodes = 0;
+
- map[wordInMap] &= ~mask;
- map[wordInMap] |= (mask & (val << bitInWord));
--
++ yaffs_init_raw_tnodes_and_objs(dev);
+
- if (dev->tnodeWidth > (32 - bitInWord)) {
- bitInWord = (32 - bitInWord);
- wordInMap++;;
- mask = dev->tnodeMask >> (/*dev->tnodeWidth -*/ bitInWord);
- map[wordInMap] &= ~mask;
- map[wordInMap] |= (mask & (val >> bitInWord));
-- }
--}
--
++ for (i = 0; i < YAFFS_NOBJECT_BUCKETS; i++) {
++ YINIT_LIST_HEAD(&dev->obj_bucket[i].list);
++ dev->obj_bucket[i].count = 0;
+ }
+ }
+
-static __u32 yaffs_GetChunkGroupBase(yaffs_Device *dev, yaffs_Tnode *tn,
- unsigned pos)
--{
++static int yaffs_find_nice_bucket(yaffs_dev_t *dev)
+ {
- __u32 *map = (__u32 *)tn;
- __u32 bitInMap;
- __u32 bitInWord;
- __u32 wordInMap;
- __u32 val;
--
++ int i;
++ int l = 999;
++ int lowest = 999999;
+
- pos &= YAFFS_TNODES_LEVEL0_MASK;
--
+
- bitInMap = pos * dev->tnodeWidth;
- wordInMap = bitInMap / 32;
- bitInWord = bitInMap & (32 - 1);
--
++ /* Search for the shortest list or one that
++ * isn't too long.
++ */
+
- val = map[wordInMap] >> bitInWord;
--
++ for (i = 0; i < 10 && lowest > 4; i++) {
++ dev->bucket_finder++;
++ dev->bucket_finder %= YAFFS_NOBJECT_BUCKETS;
++ if (dev->obj_bucket[dev->bucket_finder].count < lowest) {
++ lowest = dev->obj_bucket[dev->bucket_finder].count;
++ l = dev->bucket_finder;
++ }
+
- if (dev->tnodeWidth > (32 - bitInWord)) {
- bitInWord = (32 - bitInWord);
- wordInMap++;;
- val |= (map[wordInMap] << bitInWord);
-- }
--
+ }
+
- val &= dev->tnodeMask;
- val <<= dev->chunkGroupBits;
-
- return val;
--}
--
++ return l;
+ }
+
-/* ------------------- End of individual tnode manipulation -----------------*/
-
-/* ---------Functions to manipulate the look-up tree (made up of tnodes) ------
@@ -5466,7 +6510,8 @@
-static yaffs_Tnode *yaffs_FindLevel0Tnode(yaffs_Device *dev,
- yaffs_FileStructure *fStruct,
- __u32 chunkId)
--{
++static int yaffs_new_obj_id(yaffs_dev_t *dev)
+ {
- yaffs_Tnode *tn = fStruct->top;
- __u32 i;
- int requiredTallness;
@@ -5475,22 +6520,30 @@
- /* Check sane level and chunk Id */
- if (level < 0 || level > YAFFS_TNODES_MAX_LEVEL)
- return NULL;
--
++ int bucket = yaffs_find_nice_bucket(dev);
+
- if (chunkId > YAFFS_MAX_CHUNK_ID)
- return NULL;
--
++ /* Now find an object value that has not already been taken
++ * by scanning the list.
++ */
+
- /* First check we're tall enough (ie enough topLevel) */
--
++ int found = 0;
++ struct ylist_head *i;
+
- i = chunkId >> YAFFS_TNODES_LEVEL0_BITS;
- requiredTallness = 0;
- while (i) {
- i >>= YAFFS_TNODES_INTERNAL_BITS;
- requiredTallness++;
- }
--
++ __u32 n = (__u32) bucket;
+
- if (requiredTallness > fStruct->topLevel)
- return NULL; /* Not tall enough, so we can't find it */
--
++ /* yaffs_check_obj_hash_sane(); */
+
- /* Traverse down to level 0 */
- while (level > 0 && tn) {
- tn = tn->internal[(chunkId >>
@@ -5499,11 +6552,24 @@
- YAFFS_TNODES_INTERNAL_BITS)) &
- YAFFS_TNODES_INTERNAL_MASK];
- level--;
-- }
--
++ while (!found) {
++ found = 1;
++ n += YAFFS_NOBJECT_BUCKETS;
++ if (1 || dev->obj_bucket[bucket].count > 0) {
++ ylist_for_each(i, &dev->obj_bucket[bucket].list) {
++ /* If there is already one in the list */
++ if (i && ylist_entry(i, yaffs_obj_t,
++ hash_link)->obj_id == n) {
++ found = 0;
++ }
++ }
++ }
+ }
+
- return tn;
--}
--
++ return n;
+ }
+
-/* AddOrFindLevel0Tnode finds the level 0 tnode if it exists, otherwise first expands the tree.
- * This happens in two steps:
- * 1. If the tree isn't tall enough, then make it taller.
@@ -5519,38 +6585,69 @@
- yaffs_FileStructure *fStruct,
- __u32 chunkId,
- yaffs_Tnode *passedTn)
--{
++static void yaffs_hash_obj(yaffs_obj_t *in)
+ {
- int requiredTallness;
- int i;
- int l;
- yaffs_Tnode *tn;
-
- __u32 x;
--
--
++ int bucket = yaffs_hash_fn(in->obj_id);
++ yaffs_dev_t *dev = in->my_dev;
+
++ ylist_add(&in->hash_link, &dev->obj_bucket[bucket].list);
++ dev->obj_bucket[bucket].count++;
++}
+
- /* Check sane level and page Id */
- if (fStruct->topLevel < 0 || fStruct->topLevel > YAFFS_TNODES_MAX_LEVEL)
- return NULL;
--
++yaffs_obj_t *yaffs_find_by_number(yaffs_dev_t *dev, __u32 number)
++{
++ int bucket = yaffs_hash_fn(number);
++ struct ylist_head *i;
++ yaffs_obj_t *in;
+
- if (chunkId > YAFFS_MAX_CHUNK_ID)
- return NULL;
--
++ ylist_for_each(i, &dev->obj_bucket[bucket].list) {
++ /* Look if it is in the list */
++ if (i) {
++ in = ylist_entry(i, yaffs_obj_t, hash_link);
++ if (in->obj_id == number) {
+
- /* First check we're tall enough (ie enough topLevel) */
--
++ /* Don't tell the VFS about this one if it is defered free */
++ if (in->defered_free)
++ return NULL;
+
- x = chunkId >> YAFFS_TNODES_LEVEL0_BITS;
- requiredTallness = 0;
- while (x) {
- x >>= YAFFS_TNODES_INTERNAL_BITS;
- requiredTallness++;
-- }
--
--
++ return in;
++ }
++ }
+ }
+
++ return NULL;
++}
+
- if (requiredTallness > fStruct->topLevel) {
- /* Not tall enough, gotta make the tree taller */
- for (i = fStruct->topLevel; i < requiredTallness; i++) {
--
++yaffs_obj_t *yaffs_new_obj(yaffs_dev_t *dev, int number,
++ yaffs_obj_type type)
++{
++ yaffs_obj_t *theObject=NULL;
++ yaffs_tnode_t *tn = NULL;
+
- tn = yaffs_GetTnode(dev);
--
++ if (number < 0)
++ number = yaffs_new_obj_id(dev);
+
- if (tn) {
- tn->internal[0] = fStruct->top;
- fStruct->top = tn;
@@ -5559,27 +6656,86 @@
- (TSTR("yaffs: no more tnodes" TENDSTR)));
- }
- }
--
++ if (type == YAFFS_OBJECT_TYPE_FILE) {
++ tn = yaffs_get_tnode(dev);
++ if (!tn)
++ return NULL;
++ }
+
- fStruct->topLevel = requiredTallness;
-- }
--
++ theObject = yaffs_alloc_empty_obj(dev);
++ if (!theObject){
++ if(tn)
++ yaffs_free_tnode(dev,tn);
++ return NULL;
+ }
+
- /* Traverse down to level 0, adding anything we need */
--
+
- l = fStruct->topLevel;
- tn = fStruct->top;
--
++ if (theObject) {
++ theObject->fake = 0;
++ theObject->rename_allowed = 1;
++ theObject->unlink_allowed = 1;
++ theObject->obj_id = number;
++ yaffs_hash_obj(theObject);
++ theObject->variant_type = type;
++#ifdef CONFIG_YAFFS_WINCE
++ yfsd_win_file_time_now(theObject->win_atime);
++ theObject->win_ctime[0] = theObject->win_mtime[0] =
++ theObject->win_atime[0];
++ theObject->win_ctime[1] = theObject->win_mtime[1] =
++ theObject->win_atime[1];
++
++#else
+
- if (l > 0) {
- while (l > 0 && tn) {
- x = (chunkId >>
- (YAFFS_TNODES_LEVEL0_BITS +
- (l - 1) * YAFFS_TNODES_INTERNAL_BITS)) &
- YAFFS_TNODES_INTERNAL_MASK;
--
--
++ theObject->yst_atime = theObject->yst_mtime =
++ theObject->yst_ctime = Y_CURRENT_TIME;
++#endif
++ switch (type) {
++ case YAFFS_OBJECT_TYPE_FILE:
++ theObject->variant.file_variant.file_size = 0;
++ theObject->variant.file_variant.scanned_size = 0;
++ theObject->variant.file_variant.shrink_size = 0xFFFFFFFF; /* max __u32 */
++ theObject->variant.file_variant.top_level = 0;
++ theObject->variant.file_variant.top = tn;
++ break;
++ case YAFFS_OBJECT_TYPE_DIRECTORY:
++ YINIT_LIST_HEAD(&theObject->variant.dir_variant.
++ children);
++ YINIT_LIST_HEAD(&theObject->variant.dir_variant.
++ dirty);
++ break;
++ case YAFFS_OBJECT_TYPE_SYMLINK:
++ case YAFFS_OBJECT_TYPE_HARDLINK:
++ case YAFFS_OBJECT_TYPE_SPECIAL:
++ /* No action required */
++ break;
++ case YAFFS_OBJECT_TYPE_UNKNOWN:
++ /* todo this should not happen */
++ break;
++ }
++ }
+
++ return theObject;
++}
+
- if ((l > 1) && !tn->internal[x]) {
- /* Add missing non-level-zero tnode */
- tn->internal[x] = yaffs_GetTnode(dev);
--
++yaffs_obj_t *yaffs_find_or_create_by_number(yaffs_dev_t *dev,
++ int number,
++ yaffs_obj_type type)
++{
++ yaffs_obj_t *theObject = NULL;
+
- } else if (l == 1) {
- /* Looking from level 1 at level 0 */
- if (passedTn) {
@@ -5587,13 +6743,17 @@
- if (tn->internal[x])
- yaffs_FreeTnode(dev, tn->internal[x]);
- tn->internal[x] = passedTn;
--
++ if (number > 0)
++ theObject = yaffs_find_by_number(dev, number);
+
- } else if (!tn->internal[x]) {
- /* Don't have one, none passed in */
- tn->internal[x] = yaffs_GetTnode(dev);
- }
- }
--
++ if (!theObject)
++ theObject = yaffs_new_obj(dev, number, type);
+
- tn = tn->internal[x];
- l--;
- }
@@ -5604,16 +6764,21 @@
- yaffs_FreeTnode(dev, passedTn);
- }
- }
--
++ return theObject;
+
- return tn;
--}
--
+ }
+
-static int yaffs_FindChunkInGroup(yaffs_Device *dev, int theChunk,
- yaffs_ExtendedTags *tags, int objectId,
- int chunkInInode)
--{
++
++YCHAR *yaffs_clone_str(const YCHAR *str)
+ {
- int j;
--
++ YCHAR *newStr = NULL;
++ int len;
+
- for (j = 0; theChunk && j < dev->chunkGroupSize; j++) {
- if (yaffs_CheckChunkBit(dev, theChunk / dev->nChunksPerBlock,
- theChunk % dev->nChunksPerBlock)) {
@@ -5625,20 +6790,43 @@
- }
- }
- theChunk++;
-- }
++ if (!str)
++ str = _Y("");
++
++ len = yaffs_strnlen(str,YAFFS_MAX_ALIAS_LENGTH);
++ newStr = YMALLOC((len + 1) * sizeof(YCHAR));
++ if (newStr){
++ yaffs_strncpy(newStr, str,len);
++ newStr[len] = 0;
+ }
- return -1;
-}
--
--
++ return newStr;
+
++}
+
-/* DeleteWorker scans backwards through the tnode tree and deletes all the
- * chunks and tnodes in the file
- * Returns 1 if the tree was deleted.
- * Returns 0 if it stopped early due to hitting the limit and the delete is incomplete.
-- */
--
++/*
++ * Mknod (create) a new object.
++ * equiv_obj only has meaning for a hard link;
++ * aliasString only has meaning for a symlink.
++ * rdev only has meaning for devices (a subset of special objects)
+ */
+
-static int yaffs_DeleteWorker(yaffs_Object *in, yaffs_Tnode *tn, __u32 level,
- int chunkOffset, int *limit)
--{
++static yaffs_obj_t *yaffs_create_obj(yaffs_obj_type type,
++ yaffs_obj_t *parent,
++ const YCHAR *name,
++ __u32 mode,
++ __u32 uid,
++ __u32 gid,
++ yaffs_obj_t *equiv_obj,
++ const YCHAR *aliasString, __u32 rdev)
+ {
- int i;
- int chunkInInode;
- int theChunk;
@@ -7237,9 +8425,7 @@
- }
-
- yaffs_VerifyCollectedBlock(dev, bi, block);
-+ if (chunkId > YAFFS_MAX_CHUNK_ID)
-+ return NULL;
-
+-
- chunksAfter = yaffs_GetErasedChunks(dev);
- if (chunksBefore >= chunksAfter) {
- T(YAFFS_TRACE_GC,
@@ -7247,24 +8433,18 @@
- ("gc did not increase free chunks before %d after %d"
- TENDSTR), chunksBefore, chunksAfter));
- }
-+ /* First check we're tall enough (ie enough topLevel) */
-
+-
- /* If the gc completed then clear the current gcBlock so that we find another. */
- if (bi->blockState != YAFFS_BLOCK_STATE_COLLECTING) {
- dev->gcBlock = -1;
- dev->gcChunk = 0;
-+ x = chunkId >> YAFFS_TNODES_LEVEL0_BITS;
-+ requiredTallness = 0;
-+ while (x) {
-+ x >>= YAFFS_TNODES_INTERNAL_BITS;
-+ requiredTallness++;
- }
-
+- }
+-
- dev->isDoingGC = 0;
-
- return retVal;
-}
-
+-
-/* New garbage collector
- * If we're very low on erased blocks then we do aggressive garbage collection
- * otherwise we do "leasurely" garbage collection.
@@ -7280,28 +8460,14 @@
- int aggressive;
- int gcOk = YAFFS_OK;
- int maxTries = 0;
-+ if (requiredTallness > fStruct->topLevel) {
-+ /* Not tall enough, gotta make the tree taller */
-+ for (i = fStruct->topLevel; i < requiredTallness; i++) {
-
+-
- int checkpointBlockAdjust;
-+ tn = yaffs_GetTnode(dev);
-
+-
- if (dev->isDoingGC) {
- /* Bail out so we don't get recursive gc */
- return YAFFS_OK;
-+ if (tn) {
-+ tn->internal[0] = fStruct->top;
-+ fStruct->top = tn;
-+ fStruct->topLevel++;
-+ } else {
-+ T(YAFFS_TRACE_ERROR,
-+ (TSTR("yaffs: no more tnodes" TENDSTR)));
-+ return NULL;
-+ }
-+ }
- }
-
+- }
+-
- /* This loop should pass the first time.
- * We'll only see looping here if the erase of the collected block fails.
- */
@@ -7312,8 +8478,7 @@
- checkpointBlockAdjust = yaffs_CalcCheckpointBlocksRequired(dev) - dev->blocksInCheckpoint;
- if (checkpointBlockAdjust < 0)
- checkpointBlockAdjust = 0;
-+ /* Traverse down to level 0, adding anything we need */
-
+-
- if (dev->nErasedBlocks < (dev->nReservedBlocks + checkpointBlockAdjust + 2)) {
- /* We need a block soon...*/
- aggressive = 1;
@@ -7321,189 +8486,81 @@
- /* We're in no hurry */
- aggressive = 0;
- }
-+ l = fStruct->topLevel;
-+ tn = fStruct->top;
-
+-
- if (dev->gcBlock <= 0) {
- dev->gcBlock = yaffs_FindBlockForGarbageCollection(dev, aggressive);
- dev->gcChunk = 0;
- }
-+ if (l > 0) {
-+ while (l > 0 && tn) {
-+ x = (chunkId >>
-+ (YAFFS_TNODES_LEVEL0_BITS +
-+ (l - 1) * YAFFS_TNODES_INTERNAL_BITS)) &
-+ YAFFS_TNODES_INTERNAL_MASK;
-
+-
- block = dev->gcBlock;
-
+-
- if (block > 0) {
- dev->garbageCollections++;
- if (!aggressive)
- dev->passiveGarbageCollections++;
-+ if ((l > 1) && !tn->internal[x]) {
-+ /* Add missing non-level-zero tnode */
-+ tn->internal[x] = yaffs_GetTnode(dev);
-+ if(!tn->internal[x])
-+ return NULL;
-+ } else if (l == 1) {
-+ /* Looking from level 1 at level 0 */
-+ if (passedTn) {
-+ /* If we already have one, then release it.*/
-+ if (tn->internal[x])
-+ yaffs_FreeTnode(dev, tn->internal[x]);
-+ tn->internal[x] = passedTn;
-
+-
- T(YAFFS_TRACE_GC,
- (TSTR
- ("yaffs: GC erasedBlocks %d aggressive %d" TENDSTR),
- dev->nErasedBlocks, aggressive));
-+ } else if (!tn->internal[x]) {
-+ /* Don't have one, none passed in */
-+ tn->internal[x] = yaffs_GetTnode(dev);
-+ if(!tn->internal[x])
-+ return NULL;
-+ }
-+ }
-
+-
- gcOk = yaffs_GarbageCollectBlock(dev, block, aggressive);
-+ tn = tn->internal[x];
-+ l--;
- }
+- }
-
- if (dev->nErasedBlocks < (dev->nReservedBlocks) && block > 0) {
- T(YAFFS_TRACE_GC,
- (TSTR
- ("yaffs: GC !!!no reclaim!!! erasedBlocks %d after try %d block %d"
- TENDSTR), dev->nErasedBlocks, maxTries, block));
-+ } else {
-+ /* top is level 0 */
-+ if (passedTn) {
-+ memcpy(tn, passedTn, (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8);
-+ yaffs_FreeTnode(dev, passedTn);
- }
+- }
- } while ((dev->nErasedBlocks < dev->nReservedBlocks) &&
- (block > 0) &&
- (maxTries < 2));
-+ }
-
+-
- return aggressive ? gcOk : YAFFS_OK;
-+ return tn;
- }
-
+-}
+-
-/*------------------------- TAGS --------------------------------*/
-
-static int yaffs_TagsMatch(const yaffs_ExtendedTags *tags, int objectId,
- int chunkInObject)
-+static int yaffs_FindChunkInGroup(yaffs_Device *dev, int theChunk,
-+ yaffs_ExtendedTags *tags, int objectId,
-+ int chunkInInode)
- {
+-{
- return (tags->chunkId == chunkInObject &&
- tags->objectId == objectId && !tags->chunkDeleted) ? 1 : 0;
-+ int j;
-
-+ for (j = 0; theChunk && j < dev->chunkGroupSize; j++) {
-+ if (yaffs_CheckChunkBit(dev, theChunk / dev->param.nChunksPerBlock,
-+ theChunk % dev->param.nChunksPerBlock)) {
-+
-+ if(dev->chunkGroupSize == 1)
-+ return theChunk;
-+ else {
-+ yaffs_ReadChunkWithTagsFromNAND(dev, theChunk, NULL,
-+ tags);
-+ if (yaffs_TagsMatch(tags, objectId, chunkInInode)) {
-+ /* found it; */
-+ return theChunk;
-+ }
-+ }
-+ }
-+ theChunk++;
-+ }
-+ return -1;
- }
-
-+#if 0
-+/* Experimental code not being used yet. Might speed up file deletion */
-+/* DeleteWorker scans backwards through the tnode tree and deletes all the
-+ * chunks and tnodes in the file.
-+ * Returns 1 if the tree was deleted.
-+ * Returns 0 if it stopped early due to hitting the limit and the delete is incomplete.
-+ */
-
+-
+-}
+-
+-
-/*-------------------- Data file manipulation -----------------*/
-
-static int yaffs_FindChunkInFile(yaffs_Object *in, int chunkInInode,
- yaffs_ExtendedTags *tags)
-+static int yaffs_DeleteWorker(yaffs_Object *in, yaffs_Tnode *tn, __u32 level,
-+ int chunkOffset, int *limit)
- {
+-{
- /*Get the Tnode, then get the level 0 offset chunk offset */
- yaffs_Tnode *tn;
- int theChunk = -1;
- yaffs_ExtendedTags localTags;
- int retVal = -1;
-
-+ int i;
-+ int chunkInInode;
-+ int theChunk;
-+ yaffs_ExtendedTags tags;
-+ int foundChunk;
- yaffs_Device *dev = in->myDev;
-
+- yaffs_Device *dev = in->myDev;
+-
- if (!tags) {
- /* Passed a NULL, so use our own tags space */
- tags = &localTags;
- }
-
- tn = yaffs_FindLevel0Tnode(dev, &in->variant.fileVariant, chunkInInode);
-+ int allDone = 1;
-
- if (tn) {
+-
+- if (tn) {
- theChunk = yaffs_GetChunkGroupBase(dev, tn, chunkInInode);
-+ if (level > 0) {
-+ for (i = YAFFS_NTNODES_INTERNAL - 1; allDone && i >= 0;
-+ i--) {
-+ if (tn->internal[i]) {
-+ if (limit && (*limit) < 0) {
-+ allDone = 0;
-+ } else {
-+ allDone =
-+ yaffs_DeleteWorker(in,
-+ tn->
-+ internal
-+ [i],
-+ level -
-+ 1,
-+ (chunkOffset
-+ <<
-+ YAFFS_TNODES_INTERNAL_BITS)
-+ + i,
-+ limit);
-+ }
-+ if (allDone) {
-+ yaffs_FreeTnode(dev,
-+ tn->
-+ internal[i]);
-+ tn->internal[i] = NULL;
-+ }
-+ }
-+ }
-+ return (allDone) ? 1 : 0;
-+ } else if (level == 0) {
-+ int hitLimit = 0;
-
+-
- retVal =
- yaffs_FindChunkInGroup(dev, theChunk, tags, in->objectId,
- chunkInInode);
- }
- return retVal;
-}
-+ for (i = YAFFS_NTNODES_LEVEL0 - 1; i >= 0 && !hitLimit;
-+ i--) {
-+ theChunk = yaffs_GetChunkGroupBase(dev, tn, i);
-+ if (theChunk) {
-
+-
-static int yaffs_FindAndDeleteChunkInFile(yaffs_Object *in, int chunkInInode,
- yaffs_ExtendedTags *tags)
-{
@@ -7511,88 +8568,37 @@
- yaffs_Tnode *tn;
- int theChunk = -1;
- yaffs_ExtendedTags localTags;
-+ chunkInInode = (chunkOffset <<
-+ YAFFS_TNODES_LEVEL0_BITS) + i;
-+
-+ foundChunk =
-+ yaffs_FindChunkInGroup(dev,
-+ theChunk,
-+ &tags,
-+ in->objectId,
-+ chunkInInode);
-+
-+ if (foundChunk > 0) {
-+ yaffs_DeleteChunk(dev,
-+ foundChunk, 1,
-+ __LINE__);
-+ in->nDataChunks--;
-+ if (limit) {
-+ *limit = *limit - 1;
-+ if (*limit <= 0)
-+ hitLimit = 1;
-+ }
-
+-
- yaffs_Device *dev = in->myDev;
- int retVal = -1;
-+ }
-+
-+ yaffs_LoadLevel0Tnode(dev, tn, i, 0);
-+ }
-+
-+ }
-+ return (i < 0) ? 1 : 0;
-+
-+ }
-
+-
- if (!tags) {
- /* Passed a NULL, so use our own tags space */
- tags = &localTags;
- }
-
+- }
+-
- tn = yaffs_FindLevel0Tnode(dev, &in->variant.fileVariant, chunkInInode);
-+ return 1;
-
+-
- if (tn) {
-+}
-
+-
- theChunk = yaffs_GetChunkGroupBase(dev, tn, chunkInInode);
-+#endif
-
+-
- retVal =
- yaffs_FindChunkInGroup(dev, theChunk, tags, in->objectId,
- chunkInInode);
-+static void yaffs_SoftDeleteChunk(yaffs_Device *dev, int chunk)
-+{
-+ yaffs_BlockInfo *theBlock;
-+ unsigned blockNo;
-
+-
- /* Delete the entry in the filestructure (if found) */
- if (retVal != -1)
- yaffs_PutLevel0Tnode(dev, tn, chunkInInode, 0);
- }
-+ T(YAFFS_TRACE_DELETION, (TSTR("soft delete chunk %d" TENDSTR), chunk));
-
+-
- return retVal;
-+ blockNo = chunk / dev->param.nChunksPerBlock;
-+ theBlock = yaffs_GetBlockInfo(dev, blockNo);
-+ if (theBlock) {
-+ theBlock->softDeletions++;
-+ dev->nFreeChunks++;
-+ yaffs2_UpdateOldestDirtySequence(dev, blockNo, theBlock);
-+ }
- }
-
+-}
+-
-#ifdef YAFFS_PARANOID
-+/* SoftDeleteWorker scans backwards through the tnode tree and soft deletes all the chunks in the file.
-+ * All soft deleting does is increment the block's softdelete count and pulls the chunk out
-+ * of the tnode.
-+ * Thus, essentially this is the same as DeleteWorker except that the chunks are soft deleted.
-+ */
-
+-
-static int yaffs_CheckFileSanity(yaffs_Object *in)
-+static int yaffs_SoftDeleteWorker(yaffs_Object *in, yaffs_Tnode *tn,
-+ __u32 level, int chunkOffset)
- {
+-{
- int chunk;
- int nChunks;
- int fSize;
@@ -7601,17 +8607,12 @@
- yaffs_Tnode *tn;
- yaffs_Tags localTags;
- yaffs_Tags *tags = &localTags;
-+ int i;
- int theChunk;
+- int theChunk;
- int chunkDeleted;
-+ int allDone = 1;
-+ yaffs_Device *dev = in->myDev;
-
+-
- if (in->variantType != YAFFS_OBJECT_TYPE_FILE)
- return YAFFS_FAIL;
-+ if (tn) {
-+ if (level > 0) {
-
+-
- objId = in->objectId;
- fSize = in->variant.fileVariant.fileSize;
- nChunks =
@@ -7635,118 +8636,38 @@
- if (yaffs_TagsMatch
- (tags, in->objectId, chunk, chunkDeleted)) {
- /* found it; */
-+ for (i = YAFFS_NTNODES_INTERNAL - 1; allDone && i >= 0;
-+ i--) {
-+ if (tn->internal[i]) {
-+ allDone =
-+ yaffs_SoftDeleteWorker(in,
-+ tn->
-+ internal[i],
-+ level - 1,
-+ (chunkOffset
-+ <<
-+ YAFFS_TNODES_INTERNAL_BITS)
-+ + i);
-+ if (allDone) {
-+ yaffs_FreeTnode(dev,
-+ tn->
-+ internal[i]);
-+ tn->internal[i] = NULL;
-+ } else {
-+ /* Hoosterman... how could this happen? */
-+ }
-+ }
-+ }
-+ return (allDone) ? 1 : 0;
-+ } else if (level == 0) {
-
-+ for (i = YAFFS_NTNODES_LEVEL0 - 1; i >= 0; i--) {
-+ theChunk = yaffs_GetChunkGroupBase(dev, tn, i);
-+ if (theChunk) {
-+ /* Note this does not find the real chunk, only the chunk group.
-+ * We make an assumption that a chunk group is not larger than
-+ * a block.
-+ */
-+ yaffs_SoftDeleteChunk(dev, theChunk);
-+ yaffs_LoadLevel0Tnode(dev, tn, i, 0);
- }
+-
+- }
- } else {
-
+-
- failed = 1;
- }
-+ return 1;
-
+- }
+-
- } else {
- /* T(("No level 0 found for %d\n", chunk)); */
- }
-+
- }
-
+- }
+- }
+-
- return failed ? YAFFS_FAIL : YAFFS_OK;
-+ return 1;
-+
- }
-
+-}
+-
-#endif
-+static void yaffs_SoftDeleteFile(yaffs_Object *obj)
-+{
-+ if (obj->deleted &&
-+ obj->variantType == YAFFS_OBJECT_TYPE_FILE && !obj->softDeleted) {
-+ if (obj->nDataChunks <= 0) {
-+ /* Empty file with no duplicate object headers, just delete it immediately */
-+ yaffs_FreeTnode(obj->myDev,
-+ obj->variant.fileVariant.top);
-+ obj->variant.fileVariant.top = NULL;
-+ T(YAFFS_TRACE_TRACING,
-+ (TSTR("yaffs: Deleting empty file %d" TENDSTR),
-+ obj->objectId));
-+ yaffs_DoGenericObjectDeletion(obj);
-+ } else {
-+ yaffs_SoftDeleteWorker(obj,
-+ obj->variant.fileVariant.top,
-+ obj->variant.fileVariant.
-+ topLevel, 0);
-+ obj->softDeleted = 1;
-+ }
-+ }
-+}
-
+-
-static int yaffs_PutChunkIntoFile(yaffs_Object *in, int chunkInInode,
- int chunkInNAND, int inScan)
-+/* Pruning removes any part of the file structure tree that is beyond the
-+ * bounds of the file (ie that does not point to chunks).
-+ *
-+ * A file should only get pruned when its size is reduced.
-+ *
-+ * Before pruning, the chunks must be pulled from the tree and the
-+ * level 0 tnode entries must be zeroed out.
-+ * Could also use this for file deletion, but that's probably better handled
-+ * by a special case.
-+ *
-+ * This function is recursive. For levels > 0 the function is called again on
-+ * any sub-tree. For level == 0 we just check if the sub-tree has data.
-+ * If there is no data in a subtree then it is pruned.
-+ */
-+
-+static yaffs_Tnode *yaffs_PruneWorker(yaffs_Device *dev, yaffs_Tnode *tn,
-+ __u32 level, int del0)
- {
+-{
- /* NB inScan is zero unless scanning.
- * For forward scanning, inScan is > 0;
- * for backward scanning inScan is < 0
- */
-+ int i;
-+ int hasData;
-
+-
- yaffs_Tnode *tn;
- yaffs_Device *dev = in->myDev;
- int existingChunk;
- yaffs_ExtendedTags existingTags;
- yaffs_ExtendedTags newTags;
- unsigned existingSerial, newSerial;
-+ if (tn) {
-+ hasData = 0;
-
+-
- if (in->variantType != YAFFS_OBJECT_TYPE_FILE) {
- /* Just ignore an attempt at putting a chunk into a non-file during scanning
- * If it is not during Scanning then something went wrong!
@@ -7758,41 +8679,20 @@
- TENDSTR)));
- YBUG();
- }
-+ if(level > 0){
-+ for (i = 0; i < YAFFS_NTNODES_INTERNAL; i++) {
-+ if (tn->internal[i]) {
-+ tn->internal[i] =
-+ yaffs_PruneWorker(dev, tn->internal[i],
-+ level - 1,
-+ (i == 0) ? del0 : 1);
-+ }
-
+-
- yaffs_DeleteChunk(dev, chunkInNAND, 1, __LINE__);
- return YAFFS_OK;
- }
-+ if (tn->internal[i])
-+ hasData++;
-+ }
-+ } else {
-+ int tnodeSize_u32 = dev->tnodeSize/sizeof(__u32);
-+ __u32 *map = (__u32 *)tn;
-
+-
- tn = yaffs_AddOrFindLevel0Tnode(dev,
- &in->variant.fileVariant,
- chunkInInode,
- NULL);
- if (!tn)
- return YAFFS_FAIL;
-+ for(i = 0; !hasData && i < tnodeSize_u32; i++){
-+ if(map[i])
-+ hasData++;
-+ }
-+ }
-
+-
- existingChunk = yaffs_GetChunkGroupBase(dev, tn, chunkInInode);
-+ if (hasData == 0 && del0) {
-+ /* Free and return NULL */
-
+-
- if (inScan != 0) {
- /* If we're scanning then we need to test for duplicates
- * NB This does not need to be efficient since it should only ever
@@ -7802,10 +8702,7 @@
- * Correction for YAFFS2: This could happen quite a lot and we need to think about efficiency! TODO
- * Update: For backward scanning we don't need to re-read tags so this is quite cheap.
- */
-+ yaffs_FreeTnode(dev, tn);
-+ tn = NULL;
-+ }
-
+-
- if (existingChunk > 0) {
- /* NB Right now existing chunk will not be real chunkId if the device >= 32MB
- * thus we have to do a FindChunkInFile to get the real chunk id.
@@ -7816,62 +8713,37 @@
- * Forward scanning YAFFS2: The new one is what we use, dump the old one.
- * YAFFS1: Get both sets of tags and compare serial numbers.
- */
-+ }
-
+-
- if (inScan > 0) {
- /* Only do this for forward scanning */
- yaffs_ReadChunkWithTagsFromNAND(dev,
- chunkInNAND,
- NULL, &newTags);
-+ return tn;
-
+-
- /* Do a proper find */
- existingChunk =
- yaffs_FindChunkInFile(in, chunkInInode,
- &existingTags);
- }
-+}
-
+-
- if (existingChunk <= 0) {
- /*Hoosterman - how did this happen? */
-+static int yaffs_PruneFileStructure(yaffs_Device *dev,
-+ yaffs_FileStructure *fStruct)
-+{
-+ int i;
-+ int hasData;
-+ int done = 0;
-+ yaffs_Tnode *tn;
-
+-
- T(YAFFS_TRACE_ERROR,
- (TSTR
- ("yaffs tragedy: existing chunk < 0 in scan"
- TENDSTR)));
-+ if (fStruct->topLevel > 0) {
-+ fStruct->top =
-+ yaffs_PruneWorker(dev, fStruct->top, fStruct->topLevel, 0);
-
+-
- }
-+ /* Now we have a tree with all the non-zero branches NULL but the height
-+ * is the same as it was.
-+ * Let's see if we can trim internal tnodes to shorten the tree.
-+ * We can do this if only the 0th element in the tnode is in use
-+ * (ie all the non-zero are NULL)
-+ */
-
+-
- /* NB The deleted flags should be false, otherwise the chunks will
- * not be loaded during a scan
- */
-+ while (fStruct->topLevel && !done) {
-+ tn = fStruct->top;
-
+-
- if (inScan > 0) {
- newSerial = newTags.serialNumber;
- existingSerial = existingTags.serialNumber;
-+ hasData = 0;
-+ for (i = 1; i < YAFFS_NTNODES_INTERNAL; i++) {
-+ if (tn->internal[i])
-+ hasData++;
- }
+- }
-
- if ((inScan > 0) &&
- (in->myDev->isYaffs2 ||
@@ -7891,26 +8763,19 @@
- yaffs_DeleteChunk(dev, chunkInNAND, 1,
- __LINE__);
- return YAFFS_OK;
-+
-+ if (!hasData) {
-+ fStruct->top = tn->internal[0];
-+ fStruct->topLevel--;
-+ yaffs_FreeTnode(dev, tn);
-+ } else {
-+ done = 1;
- }
- }
+- }
+- }
+-
+- }
-
- }
-
- if (existingChunk == 0)
- in->nDataChunks++;
-
- yaffs_PutLevel0Tnode(dev, tn, chunkInInode, chunkInNAND);
-
- return YAFFS_OK;
- }
-
+- return YAFFS_OK;
+-}
+-
-static int yaffs_ReadChunkDataFromObject(yaffs_Object *in, int chunkInInode,
- __u8 *buffer)
-{
@@ -7927,78 +8792,47 @@
- memset(buffer, 0, in->myDev->nDataBytesPerChunk);
- return 0;
- }
-+/*-------------------- End of File Structure functions.-------------------*/
-
+-
-}
-
+-
-void yaffs_DeleteChunk(yaffs_Device *dev, int chunkId, int markNAND, int lyn)
-+/* AllocateEmptyObject gets us a clean Object. Tries to make allocate more if we run out */
-+static yaffs_Object *yaffs_AllocateEmptyObject(yaffs_Device *dev)
- {
+-{
- int block;
- int page;
- yaffs_ExtendedTags tags;
- yaffs_BlockInfo *bi;
-+ yaffs_Object *obj = yaffs_AllocateRawObject(dev);
-
+-
- if (chunkId <= 0)
- return;
-+ if (obj) {
-+ dev->nObjects++;
-
+-
- dev->nDeletions++;
- block = chunkId / dev->nChunksPerBlock;
- page = chunkId % dev->nChunksPerBlock;
-+ /* Now sweeten it up... */
-
-+ memset(obj, 0, sizeof(yaffs_Object));
-+ obj->beingCreated = 1;
-
+-
+-
- if (!yaffs_CheckChunkBit(dev, block, page))
- T(YAFFS_TRACE_VERIFY,
- (TSTR("Deleting invalid chunk %d"TENDSTR),
- chunkId));
-+ obj->myDev = dev;
-+ obj->hdrChunk = 0;
-+ obj->variantType = YAFFS_OBJECT_TYPE_UNKNOWN;
-+ YINIT_LIST_HEAD(&(obj->hardLinks));
-+ YINIT_LIST_HEAD(&(obj->hashLink));
-+ YINIT_LIST_HEAD(&obj->siblings);
-
+-
- bi = yaffs_GetBlockInfo(dev, block);
-
+-
- T(YAFFS_TRACE_DELETION,
- (TSTR("line %d delete of chunk %d" TENDSTR), lyn, chunkId));
-+ /* Now make the directory sane */
-+ if (dev->rootDir) {
-+ obj->parent = dev->rootDir;
-+ ylist_add(&(obj->siblings), &dev->rootDir->variant.directoryVariant.children);
-+ }
-
+-
- if (markNAND &&
- bi->blockState != YAFFS_BLOCK_STATE_COLLECTING && !dev->isYaffs2) {
-+ /* Add it to the lost and found directory.
-+ * NB Can't put root or lostNFound in lostNFound so
-+ * check if lostNFound exists first
-+ */
-+ if (dev->lostNFoundDir)
-+ yaffs_AddObjectToDirectory(dev->lostNFoundDir, obj);
-
+-
- yaffs_InitialiseTags(&tags);
-+ obj->beingCreated = 0;
-+ }
-
+-
- tags.chunkDeleted = 1;
-+ dev->nCheckpointBlocksRequired = 0; /* force recalculation*/
-
+-
- yaffs_WriteChunkWithTagsToNAND(dev, chunkId, NULL, &tags);
- yaffs_HandleUpdateChunk(dev, chunkId, &tags);
- } else {
- dev->nUnmarkedDeletions++;
- }
-+ return obj;
-+}
-
+-
- /* Pull out of the management area.
- * If the whole block became dirty, this will kick off an erasure.
- */
@@ -8007,290 +8841,151 @@
- bi->blockState == YAFFS_BLOCK_STATE_NEEDS_SCANNING ||
- bi->blockState == YAFFS_BLOCK_STATE_COLLECTING) {
- dev->nFreeChunks++;
-+static yaffs_Object *yaffs_CreateFakeDirectory(yaffs_Device *dev, int number,
-+ __u32 mode)
-+{
-
+-
- yaffs_ClearChunkBit(dev, block, page);
-+ yaffs_Object *obj =
-+ yaffs_CreateNewObject(dev, number, YAFFS_OBJECT_TYPE_DIRECTORY);
-+ if (obj) {
-+ obj->fake = 1; /* it is fake so it might have no NAND presence... */
-+ obj->renameAllowed = 0; /* ... and we're not allowed to rename it... */
-+ obj->unlinkAllowed = 0; /* ... or unlink it */
-+ obj->deleted = 0;
-+ obj->unlinked = 0;
-+ obj->yst_mode = mode;
-+ obj->myDev = dev;
-+ obj->hdrChunk = 0; /* Not a valid chunk. */
-+ }
-
+-
- bi->pagesInUse--;
-+ return obj;
-
+-
- if (bi->pagesInUse == 0 &&
- !bi->hasShrinkHeader &&
- bi->blockState != YAFFS_BLOCK_STATE_ALLOCATING &&
- bi->blockState != YAFFS_BLOCK_STATE_NEEDS_SCANNING) {
- yaffs_BlockBecameDirty(dev, block);
- }
-+}
-
+-
- }
-+static void yaffs_UnhashObject(yaffs_Object *obj)
-+{
-+ int bucket;
-+ yaffs_Device *dev = obj->myDev;
-
-+ /* If it is still linked into the bucket list, free from the list */
-+ if (!ylist_empty(&obj->hashLink)) {
-+ ylist_del_init(&obj->hashLink);
-+ bucket = yaffs_HashFunction(obj->objectId);
-+ dev->objectBucket[bucket].count--;
-+ }
- }
-
+-
+-}
+-
-static int yaffs_WriteChunkDataToObject(yaffs_Object *in, int chunkInInode,
- const __u8 *buffer, int nBytes,
- int useReserve)
-+/* FreeObject frees up a Object and puts it back on the free list */
-+static void yaffs_FreeObject(yaffs_Object *obj)
- {
+-{
- /* Find old chunk Need to do this to get serial number
- * Write new one and patch into tree.
- * Invalidate old tags.
- */
-+ yaffs_Device *dev = obj->myDev;
-
+-
- int prevChunkId;
- yaffs_ExtendedTags prevTags;
-+ T(YAFFS_TRACE_OS, (TSTR("FreeObject %p inode %p"TENDSTR), obj, obj->myInode));
-
+-
- int newChunkId;
- yaffs_ExtendedTags newTags;
-+ if (!obj)
-+ YBUG();
-+ if (obj->parent)
-+ YBUG();
-+ if (!ylist_empty(&obj->siblings))
-+ YBUG();
-
+-
- yaffs_Device *dev = in->myDev;
-
+-
- yaffs_CheckGarbageCollection(dev);
-+ if (obj->myInode) {
-+ /* We're still hooked up to a cached inode.
-+ * Don't delete now, but mark for later deletion
-+ */
-+ obj->deferedFree = 1;
-+ return;
-+ }
-+
-+ yaffs_UnhashObject(obj);
-
+-
- /* Get the previous chunk at this location in the file if it exists */
- prevChunkId = yaffs_FindChunkInFile(in, chunkInInode, &prevTags);
-+ yaffs_FreeRawObject(dev,obj);
-+ dev->nObjects--;
-+ dev->nCheckpointBlocksRequired = 0; /* force recalculation*/
-+}
-
+-
- /* Set up new tags */
- yaffs_InitialiseTags(&newTags);
-
+-
- newTags.chunkId = chunkInInode;
- newTags.objectId = in->objectId;
- newTags.serialNumber =
- (prevChunkId >= 0) ? prevTags.serialNumber + 1 : 1;
- newTags.byteCount = nBytes;
-+void yaffs_HandleDeferedFree(yaffs_Object *obj)
-+{
-+ if (obj->deferedFree)
-+ yaffs_FreeObject(obj);
-+}
-
+-
- if (nBytes < 1 || nBytes > dev->totalBytesPerChunk) {
- T(YAFFS_TRACE_ERROR,
- (TSTR("Writing %d bytes to chunk!!!!!!!!!" TENDSTR), nBytes));
- YBUG();
-+static void yaffs_InitialiseTnodesAndObjects(yaffs_Device *dev)
-+{
-+ int i;
-+
-+ dev->nObjects = 0;
-+ dev->nTnodes = 0;
-+
-+ yaffs_InitialiseRawTnodesAndObjects(dev);
-+
-+ for (i = 0; i < YAFFS_NOBJECT_BUCKETS; i++) {
-+ YINIT_LIST_HEAD(&dev->objectBucket[i].list);
-+ dev->objectBucket[i].count = 0;
- }
-+}
-
+- }
+-
- newChunkId =
- yaffs_WriteNewChunkWithTagsToNAND(dev, buffer, &newTags,
- useReserve);
-+static int yaffs_FindNiceObjectBucket(yaffs_Device *dev)
-+{
-+ int i;
-+ int l = 999;
-+ int lowest = 999999;
-
+-
- if (newChunkId >= 0) {
- yaffs_PutChunkIntoFile(in, chunkInInode, newChunkId, 0);
-
+-
- if (prevChunkId >= 0)
- yaffs_DeleteChunk(dev, prevChunkId, 1, __LINE__);
-+ /* Search for the shortest list or one that
-+ * isn't too long.
-+ */
-+
-+ for (i = 0; i < 10 && lowest > 4; i++) {
-+ dev->bucketFinder++;
-+ dev->bucketFinder %= YAFFS_NOBJECT_BUCKETS;
-+ if (dev->objectBucket[dev->bucketFinder].count < lowest) {
-+ lowest = dev->objectBucket[dev->bucketFinder].count;
-+ l = dev->bucketFinder;
-+ }
-
+-
- yaffs_CheckFileSanity(in);
- }
+- }
- return newChunkId;
-
-+ return l;
- }
-
+-
+-}
+-
-/* UpdateObjectHeader updates the header on NAND for an object.
- * If name is not NULL, then that new name is used.
- */
-int yaffs_UpdateObjectHeader(yaffs_Object *in, const YCHAR *name, int force,
- int isShrink, int shadows)
-+static int yaffs_CreateNewObjectNumber(yaffs_Device *dev)
- {
-+ int bucket = yaffs_FindNiceObjectBucket(dev);
-
+-{
+-
- yaffs_BlockInfo *bi;
-+ /* Now find an object value that has not already been taken
-+ * by scanning the list.
-+ */
-
+-
- yaffs_Device *dev = in->myDev;
-+ int found = 0;
-+ struct ylist_head *i;
-
+-
- int prevChunkId;
- int retVal = 0;
- int result = 0;
-+ __u32 n = (__u32) bucket;
-
+-
- int newChunkId;
- yaffs_ExtendedTags newTags;
- yaffs_ExtendedTags oldTags;
-+ /* yaffs_CheckObjectHashSanity(); */
-
+-
- __u8 *buffer = NULL;
- YCHAR oldName[YAFFS_MAX_NAME_LENGTH + 1];
-+ while (!found) {
-+ found = 1;
-+ n += YAFFS_NOBJECT_BUCKETS;
-+ if (1 || dev->objectBucket[bucket].count > 0) {
-+ ylist_for_each(i, &dev->objectBucket[bucket].list) {
-+ /* If there is already one in the list */
-+ if (i && ylist_entry(i, yaffs_Object,
-+ hashLink)->objectId == n) {
-+ found = 0;
-+ }
-+ }
-+ }
-+ }
-
+-
- yaffs_ObjectHeader *oh = NULL;
-+ return n;
-+}
++ yaffs_obj_t *in;
++ YCHAR *str = NULL;
- yaffs_strcpy(oldName, _Y("silly old name"));
-+static void yaffs_HashObject(yaffs_Object *in)
-+{
-+ int bucket = yaffs_HashFunction(in->objectId);
-+ yaffs_Device *dev = in->myDev;
++ yaffs_dev_t *dev = parent->my_dev;
-+ ylist_add(&in->hashLink, &dev->objectBucket[bucket].list);
-+ dev->objectBucket[bucket].count++;
-+}
++ /* Check if the entry exists. If it does then fail the call since we don't want a dup.*/
++ if (yaffs_find_by_name(parent, name))
++ return NULL;
- if (!in->fake ||
- in == dev->rootDir || /* The rootDir should also be saved */
- force) {
-+yaffs_Object *yaffs_FindObjectByNumber(yaffs_Device *dev, __u32 number)
-+{
-+ int bucket = yaffs_HashFunction(number);
-+ struct ylist_head *i;
-+ yaffs_Object *in;
++ if (type == YAFFS_OBJECT_TYPE_SYMLINK) {
++ str = yaffs_clone_str(aliasString);
++ if (!str)
++ return NULL;
++ }
- yaffs_CheckGarbageCollection(dev);
- yaffs_CheckObjectDetailsLoaded(in);
-+ ylist_for_each(i, &dev->objectBucket[bucket].list) {
-+ /* Look if it is in the list */
-+ if (i) {
-+ in = ylist_entry(i, yaffs_Object, hashLink);
-+ if (in->objectId == number) {
++ in = yaffs_new_obj(dev, -1, type);
- buffer = yaffs_GetTempBuffer(in->myDev, __LINE__);
- oh = (yaffs_ObjectHeader *) buffer;
-+ /* Don't tell the VFS about this one if it is defered free */
-+ if (in->deferedFree)
-+ return NULL;
++ if (!in){
++ if(str)
++ YFREE(str);
++ return NULL;
++ }
- prevChunkId = in->hdrChunk;
-+ return in;
-+ }
-+ }
-+ }
- if (prevChunkId > 0) {
- result = yaffs_ReadChunkWithTagsFromNAND(dev, prevChunkId,
- buffer, &oldTags);
-+ return NULL;
-+}
- yaffs_VerifyObjectHeader(in, oh, &oldTags, 0);
-+yaffs_Object *yaffs_CreateNewObject(yaffs_Device *dev, int number,
-+ yaffs_ObjectType type)
-+{
-+ yaffs_Object *theObject=NULL;
-+ yaffs_Tnode *tn = NULL;
-+
-+ if (number < 0)
-+ number = yaffs_CreateNewObjectNumber(dev);
- memcpy(oldName, oh->name, sizeof(oh->name));
- }
-+ if (type == YAFFS_OBJECT_TYPE_FILE) {
-+ tn = yaffs_GetTnode(dev);
-+ if (!tn)
-+ return NULL;
-+ }
- memset(buffer, 0xFF, dev->nDataBytesPerChunk);
-+ theObject = yaffs_AllocateEmptyObject(dev);
-+ if (!theObject){
-+ if(tn)
-+ yaffs_FreeTnode(dev,tn);
-+ return NULL;
-+ }
++ if (in) {
++ in->hdr_chunk = 0;
++ in->valid = 1;
++ in->variant_type = type;
- oh->type = in->variantType;
- oh->yst_mode = in->yst_mode;
- oh->shadowsObject = oh->inbandShadowsObject = shadows;
++ in->yst_mode = mode;
-+ if (theObject) {
-+ theObject->fake = 0;
-+ theObject->renameAllowed = 1;
-+ theObject->unlinkAllowed = 1;
-+ theObject->objectId = number;
-+ yaffs_HashObject(theObject);
-+ theObject->variantType = type;
#ifdef CONFIG_YAFFS_WINCE
- oh->win_atime[0] = in->win_atime[0];
- oh->win_ctime[0] = in->win_ctime[0];
@@ -8298,19 +8993,29 @@
- oh->win_atime[1] = in->win_atime[1];
- oh->win_ctime[1] = in->win_ctime[1];
- oh->win_mtime[1] = in->win_mtime[1];
--#else
++ yfsd_win_file_time_now(in->win_atime);
++ in->win_ctime[0] = in->win_mtime[0] = in->win_atime[0];
++ in->win_ctime[1] = in->win_mtime[1] = in->win_atime[1];
++
+ #else
- oh->yst_uid = in->yst_uid;
- oh->yst_gid = in->yst_gid;
- oh->yst_atime = in->yst_atime;
- oh->yst_mtime = in->yst_mtime;
- oh->yst_ctime = in->yst_ctime;
- oh->yst_rdev = in->yst_rdev;
--#endif
++ in->yst_atime = in->yst_mtime = in->yst_ctime = Y_CURRENT_TIME;
++
++ in->yst_rdev = rdev;
++ in->yst_uid = uid;
++ in->yst_gid = gid;
+ #endif
- if (in->parent)
- oh->parentObjectId = in->parent->objectId;
- else
- oh->parentObjectId = 0;
--
++ in->n_data_chunks = 0;
+
- if (name && *name) {
- memset(oh->name, 0, sizeof(oh->name));
- yaffs_strncpy(oh->name, name, YAFFS_MAX_NAME_LENGTH);
@@ -8318,63 +9023,54 @@
- memcpy(oh->name, oldName, sizeof(oh->name));
- else
- memset(oh->name, 0, sizeof(oh->name));
-+ yfsd_WinFileTimeNow(theObject->win_atime);
-+ theObject->win_ctime[0] = theObject->win_mtime[0] =
-+ theObject->win_atime[0];
-+ theObject->win_ctime[1] = theObject->win_mtime[1] =
-+ theObject->win_atime[1];
++ yaffs_set_obj_name(in, name);
++ in->dirty = 1;
- oh->isShrink = isShrink;
-+#else
++ yaffs_add_obj_to_dir(parent, in);
- switch (in->variantType) {
- case YAFFS_OBJECT_TYPE_UNKNOWN:
- /* Should not happen */
- break;
-+ theObject->yst_atime = theObject->yst_mtime =
-+ theObject->yst_ctime = Y_CURRENT_TIME;
-+#endif
-+ switch (type) {
- case YAFFS_OBJECT_TYPE_FILE:
+- case YAFFS_OBJECT_TYPE_FILE:
- oh->fileSize =
- (oh->parentObjectId == YAFFS_OBJECTID_DELETED
- || oh->parentObjectId ==
- YAFFS_OBJECTID_UNLINKED) ? 0 : in->variant.
- fileVariant.fileSize;
-- break;
-- case YAFFS_OBJECT_TYPE_HARDLINK:
++ in->my_dev = parent->my_dev;
++
++ switch (type) {
++ case YAFFS_OBJECT_TYPE_SYMLINK:
++ in->variant.symlink_variant.alias = str;
+ break;
+ case YAFFS_OBJECT_TYPE_HARDLINK:
- oh->equivalentObjectId =
- in->variant.hardLinkVariant.equivalentObjectId;
- break;
- case YAFFS_OBJECT_TYPE_SPECIAL:
- /* Do nothing */
-+ theObject->variant.fileVariant.fileSize = 0;
-+ theObject->variant.fileVariant.scannedFileSize = 0;
-+ theObject->variant.fileVariant.shrinkSize = 0xFFFFFFFF; /* max __u32 */
-+ theObject->variant.fileVariant.topLevel = 0;
-+ theObject->variant.fileVariant.top = tn;
++ in->variant.hardlink_variant.equiv_obj =
++ equiv_obj;
++ in->variant.hardlink_variant.equiv_id =
++ equiv_obj->obj_id;
++ ylist_add(&in->hard_links, &equiv_obj->hard_links);
break;
++ case YAFFS_OBJECT_TYPE_FILE:
case YAFFS_OBJECT_TYPE_DIRECTORY:
- /* Do nothing */
-+ YINIT_LIST_HEAD(&theObject->variant.directoryVariant.
-+ children);
-+ YINIT_LIST_HEAD(&theObject->variant.directoryVariant.
-+ dirty);
- break;
- case YAFFS_OBJECT_TYPE_SYMLINK:
+- break;
+- case YAFFS_OBJECT_TYPE_SYMLINK:
- yaffs_strncpy(oh->alias,
- in->variant.symLinkVariant.alias,
- YAFFS_MAX_ALIAS_LENGTH);
- oh->alias[YAFFS_MAX_ALIAS_LENGTH] = 0;
-+ case YAFFS_OBJECT_TYPE_HARDLINK:
+ case YAFFS_OBJECT_TYPE_SPECIAL:
-+ /* No action required */
-+ break;
+ case YAFFS_OBJECT_TYPE_UNKNOWN:
-+ /* todo this should not happen */
++ /* do nothing */
break;
}
-+ }
- /* Tags */
- yaffs_InitialiseTags(&newTags);
@@ -8394,66 +9090,47 @@
- newTags.extraObjectType = in->variantType;
-
- yaffs_VerifyObjectHeader(in, oh, &newTags, 1);
-+ return theObject;
-+}
-
+-
- /* Create new chunk in NAND */
- newChunkId =
- yaffs_WriteNewChunkWithTagsToNAND(dev, buffer, &newTags,
- (prevChunkId >= 0) ? 1 : 0);
-+yaffs_Object *yaffs_FindOrCreateObjectByNumber(yaffs_Device *dev,
-+ int number,
-+ yaffs_ObjectType type)
-+{
-+ yaffs_Object *theObject = NULL;
-
+-
- if (newChunkId >= 0) {
-+ if (number > 0)
-+ theObject = yaffs_FindObjectByNumber(dev, number);
-
+-
- in->hdrChunk = newChunkId;
-+ if (!theObject)
-+ theObject = yaffs_CreateNewObject(dev, number, type);
-
+-
- if (prevChunkId >= 0) {
- yaffs_DeleteChunk(dev, prevChunkId, 1,
- __LINE__);
- }
-+ return theObject;
-
+-
- if (!yaffs_ObjectHasCachedWriteData(in))
- in->dirty = 0;
-+}
-
+-
- /* If this was a shrink, then mark the block that the chunk lives on */
- if (isShrink) {
- bi = yaffs_GetBlockInfo(in->myDev,
- newChunkId / in->myDev->nChunksPerBlock);
- bi->hasShrinkHeader = 1;
- }
-
-- }
-+YCHAR *yaffs_CloneString(const YCHAR *str)
-+{
-+ YCHAR *newStr = NULL;
-+ int len;
+-
++ if (yaffs_update_oh(in, name, 0, 0, 0, NULL) < 0) {
++ /* Could not create the object header, fail the creation */
++ yaffs_del_obj(in);
++ in = NULL;
+ }
- retVal = newChunkId;
-+ if (!str)
-+ str = _Y("");
-
-+ len = yaffs_strnlen(str,YAFFS_MAX_ALIAS_LENGTH);
-+ newStr = YMALLOC((len + 1) * sizeof(YCHAR));
-+ if (newStr){
-+ yaffs_strncpy(newStr, str,len);
-+ newStr[len] = 0;
+-
++ yaffs_update_parent(parent);
}
-+ return newStr;
- if (buffer)
- yaffs_ReleaseTempBuffer(dev, buffer, __LINE__);
-
- return retVal;
++ return in;
}
-/*------------------------ Short Operations Cache ----------------------------------------
@@ -8467,69 +9144,66 @@
- *
- * There are a limited number (~10) of cache chunks per device so that we don't
- * need a very intelligent search.
-+/*
-+ * Mknod (create) a new object.
-+ * equivalentObject only has meaning for a hard link;
-+ * aliasString only has meaning for a symlink.
-+ * rdev only has meaning for devices (a subset of special objects)
- */
-
+- */
+-
-static int yaffs_ObjectHasCachedWriteData(yaffs_Object *obj)
-+static yaffs_Object *yaffs_MknodObject(yaffs_ObjectType type,
-+ yaffs_Object *parent,
-+ const YCHAR *name,
-+ __u32 mode,
-+ __u32 uid,
-+ __u32 gid,
-+ yaffs_Object *equivalentObject,
-+ const YCHAR *aliasString, __u32 rdev)
++yaffs_obj_t *yaffs_create_file(yaffs_obj_t *parent, const YCHAR *name,
++ __u32 mode, __u32 uid, __u32 gid)
{
- yaffs_Device *dev = obj->myDev;
- int i;
- yaffs_ChunkCache *cache;
- int nCaches = obj->myDev->nShortOpCaches;
-+ yaffs_Object *in;
-+ YCHAR *str = NULL;
-
+-
- for (i = 0; i < nCaches; i++) {
- cache = &dev->srCache[i];
- if (cache->object == obj &&
- cache->dirty)
- return 1;
-+ yaffs_Device *dev = parent->myDev;
-+
-+ /* Check if the entry exists. If it does then fail the call since we don't want a dup.*/
-+ if (yaffs_FindObjectByName(parent, name))
-+ return NULL;
-+
-+ if (type == YAFFS_OBJECT_TYPE_SYMLINK) {
-+ str = yaffs_CloneString(aliasString);
-+ if (!str)
-+ return NULL;
- }
+- }
++ return yaffs_create_obj(YAFFS_OBJECT_TYPE_FILE, parent, name, mode,
++ uid, gid, NULL, NULL, 0);
++}
- return 0;
--}
-+ in = yaffs_CreateNewObject(dev, -1, type);
++yaffs_obj_t *yaffs_create_dir(yaffs_obj_t *parent, const YCHAR *name,
++ __u32 mode, __u32 uid, __u32 gid)
++{
++ return yaffs_create_obj(YAFFS_OBJECT_TYPE_DIRECTORY, parent, name,
++ mode, uid, gid, NULL, NULL, 0);
+ }
-+ if (!in){
-+ if(str)
-+ YFREE(str);
-+ return NULL;
-+ }
++yaffs_obj_t *yaffs_create_special(yaffs_obj_t *parent, const YCHAR *name,
++ __u32 mode, __u32 uid, __u32 gid, __u32 rdev)
++{
++ return yaffs_create_obj(YAFFS_OBJECT_TYPE_SPECIAL, parent, name, mode,
++ uid, gid, NULL, NULL, rdev);
++}
-static void yaffs_FlushFilesChunkCache(yaffs_Object *obj)
--{
++yaffs_obj_t *yaffs_create_symlink(yaffs_obj_t *parent, const YCHAR *name,
++ __u32 mode, __u32 uid, __u32 gid,
++ const YCHAR *alias)
+ {
- yaffs_Device *dev = obj->myDev;
- int lowest = -99; /* Stop compiler whining. */
- int i;
- yaffs_ChunkCache *cache;
- int chunkWritten = 0;
- int nCaches = obj->myDev->nShortOpCaches;
++ return yaffs_create_obj(YAFFS_OBJECT_TYPE_SYMLINK, parent, name, mode,
++ uid, gid, NULL, alias, 0);
++}
- if (nCaches > 0) {
- do {
- cache = NULL;
++/* yaffs_link_obj returns the object id of the equivalent object.*/
++yaffs_obj_t *yaffs_link_obj(yaffs_obj_t *parent, const YCHAR *name,
++ yaffs_obj_t *equiv_obj)
++{
++ /* Get the real object in case we were fed a hard link as an equivalent object */
++ equiv_obj = yaffs_get_equivalent_obj(equiv_obj);
- /* Find the dirty cache for this object with the lowest chunk id. */
- for (i = 0; i < nCaches; i++) {
@@ -8543,9 +9217,17 @@
- }
- }
- }
++ if (yaffs_create_obj
++ (YAFFS_OBJECT_TYPE_HARDLINK, parent, name, 0, 0, 0,
++ equiv_obj, NULL, 0)) {
++ return equiv_obj;
++ } else {
++ return NULL;
++ }
- if (cache && !cache->locked) {
- /* Write it out and free it up */
++}
- chunkWritten =
- yaffs_WriteChunkDataToObject(cache->object,
@@ -8556,86 +9238,59 @@
- cache->dirty = 0;
- cache->object = NULL;
- }
-+ if (in) {
-+ in->hdrChunk = 0;
-+ in->valid = 1;
-+ in->variantType = type;
++static int yaffs_change_obj_name(yaffs_obj_t *obj, yaffs_obj_t *new_dir,
++ const YCHAR *new_name, int force, int shadows)
++{
++ int unlinkOp;
++ int deleteOp;
- } while (cache && chunkWritten > 0);
-+ in->yst_mode = mode;
++ yaffs_obj_t *existingTarget;
- if (cache) {
- /* Hoosterman, disk full while writing cache out. */
- T(YAFFS_TRACE_ERROR,
- (TSTR("yaffs tragedy: no space during cache write" TENDSTR)));
-+#ifdef CONFIG_YAFFS_WINCE
-+ yfsd_WinFileTimeNow(in->win_atime);
-+ in->win_ctime[0] = in->win_mtime[0] = in->win_atime[0];
-+ in->win_ctime[1] = in->win_mtime[1] = in->win_atime[1];
-+
-+#else
-+ in->yst_atime = in->yst_mtime = in->yst_ctime = Y_CURRENT_TIME;
-+
-+ in->yst_rdev = rdev;
-+ in->yst_uid = uid;
-+ in->yst_gid = gid;
-+#endif
-+ in->nDataChunks = 0;
-+
-+ yaffs_SetObjectName(in, name);
-+ in->dirty = 1;
-+
-+ yaffs_AddObjectToDirectory(parent, in);
-+
-+ in->myDev = parent->myDev;
-+
-+ switch (type) {
-+ case YAFFS_OBJECT_TYPE_SYMLINK:
-+ in->variant.symLinkVariant.alias = str;
-+ break;
-+ case YAFFS_OBJECT_TYPE_HARDLINK:
-+ in->variant.hardLinkVariant.equivalentObject =
-+ equivalentObject;
-+ in->variant.hardLinkVariant.equivalentObjectId =
-+ equivalentObject->objectId;
-+ ylist_add(&in->hardLinks, &equivalentObject->hardLinks);
-+ break;
-+ case YAFFS_OBJECT_TYPE_FILE:
-+ case YAFFS_OBJECT_TYPE_DIRECTORY:
-+ case YAFFS_OBJECT_TYPE_SPECIAL:
-+ case YAFFS_OBJECT_TYPE_UNKNOWN:
-+ /* do nothing */
-+ break;
-+ }
++ if (new_dir == NULL)
++ new_dir = obj->parent; /* use the old directory */
-+ if (yaffs_UpdateObjectHeader(in, name, 0, 0, 0, NULL) < 0) {
-+ /* Could not create the object header, fail the creation */
-+ yaffs_DeleteObject(in);
-+ in = NULL;
- }
-+
-+ yaffs_UpdateParent(parent);
+- }
++ if (new_dir->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) {
++ T(YAFFS_TRACE_ALWAYS,
++ (TSTR
++ ("tragedy: yaffs_change_obj_name: new_dir is not a directory"
++ TENDSTR)));
++ YBUG();
}
-+ return in;
- }
+-}
++ /* TODO: Do we need this different handling for YAFFS2 and YAFFS1?? */
++ if (obj->my_dev->param.is_yaffs2)
++ unlinkOp = (new_dir == obj->my_dev->unlinked_dir);
++ else
++ unlinkOp = (new_dir == obj->my_dev->unlinked_dir
++ && obj->variant_type == YAFFS_OBJECT_TYPE_FILE);
-/*yaffs_FlushEntireDeviceCache(dev)
- *
- *
- */
--
++ deleteOp = (new_dir == obj->my_dev->del_dir);
+
-void yaffs_FlushEntireDeviceCache(yaffs_Device *dev)
-+yaffs_Object *yaffs_MknodFile(yaffs_Object *parent, const YCHAR *name,
-+ __u32 mode, __u32 uid, __u32 gid)
- {
+-{
- yaffs_Object *obj;
- int nCaches = dev->nShortOpCaches;
- int i;
--
++ existingTarget = yaffs_find_by_name(new_dir, new_name);
+
- /* Find a dirty object in the cache and flush it...
- * until there are no further dirty objects.
-- */
++ /* If the object is a file going into the unlinked directory,
++ * then it is OK to just stuff it in since duplicate names are allowed.
++ * else only proceed if the new name does not exist and if we're putting
++ * it into a directory.
+ */
- do {
- obj = NULL;
- for (i = 0; i < nCaches && !obj; i++) {
@@ -8646,32 +9301,20 @@
- }
- if (obj)
- yaffs_FlushFilesChunkCache(obj);
-+ return yaffs_MknodObject(YAFFS_OBJECT_TYPE_FILE, parent, name, mode,
-+ uid, gid, NULL, NULL, 0);
-+}
-
+-
- } while (obj);
-+yaffs_Object *yaffs_MknodDirectory(yaffs_Object *parent, const YCHAR *name,
-+ __u32 mode, __u32 uid, __u32 gid)
-+{
-+ return yaffs_MknodObject(YAFFS_OBJECT_TYPE_DIRECTORY, parent, name,
-+ mode, uid, gid, NULL, NULL, 0);
-+}
+-
+-}
++ if ((unlinkOp ||
++ deleteOp ||
++ force ||
++ (shadows > 0) ||
++ !existingTarget) &&
++ new_dir->variant_type == YAFFS_OBJECT_TYPE_DIRECTORY) {
++ yaffs_set_obj_name(obj, new_name);
++ obj->dirty = 1;
-+yaffs_Object *yaffs_MknodSpecial(yaffs_Object *parent, const YCHAR *name,
-+ __u32 mode, __u32 uid, __u32 gid, __u32 rdev)
-+{
-+ return yaffs_MknodObject(YAFFS_OBJECT_TYPE_SPECIAL, parent, name, mode,
-+ uid, gid, NULL, NULL, rdev);
- }
-
-+yaffs_Object *yaffs_MknodSymLink(yaffs_Object *parent, const YCHAR *name,
-+ __u32 mode, __u32 uid, __u32 gid,
-+ const YCHAR *alias)
-+{
-+ return yaffs_MknodObject(YAFFS_OBJECT_TYPE_SYMLINK, parent, name, mode,
-+ uid, gid, NULL, alias, 0);
-+}
++ yaffs_add_obj_to_dir(new_dir, obj);
-/* Grab us a cache chunk for use.
- * First look for an empty one.
@@ -8679,33 +9322,28 @@
- * Then look for the least recently used dirty one...., flush and look again.
- */
-static yaffs_ChunkCache *yaffs_GrabChunkCacheWorker(yaffs_Device *dev)
-+/* yaffs_Link returns the object id of the equivalent object.*/
-+yaffs_Object *yaffs_Link(yaffs_Object *parent, const YCHAR *name,
-+ yaffs_Object *equivalentObject)
- {
+-{
- int i;
-+ /* Get the real object in case we were fed a hard link as an equivalent object */
-+ equivalentObject = yaffs_GetEquivalentObject(equivalentObject);
++ if (unlinkOp)
++ obj->unlinked = 1;
- if (dev->nShortOpCaches > 0) {
- for (i = 0; i < dev->nShortOpCaches; i++) {
- if (!dev->srCache[i].object)
- return &dev->srCache[i];
- }
-+ if (yaffs_MknodObject
-+ (YAFFS_OBJECT_TYPE_HARDLINK, parent, name, 0, 0, 0,
-+ equivalentObject, NULL, 0)) {
-+ return equivalentObject;
-+ } else {
-+ return NULL;
++ /* If it is a deletion then we mark it as a shrink for gc purposes. */
++ if (yaffs_update_oh(obj, new_name, 0, deleteOp, shadows, NULL) >= 0)
++ return YAFFS_OK;
}
- return NULL;
++ return YAFFS_FAIL;
}
-static yaffs_ChunkCache *yaffs_GrabChunkCache(yaffs_Device *dev)
-+static int yaffs_ChangeObjectName(yaffs_Object *obj, yaffs_Object *newDir,
-+ const YCHAR *newName, int force, int shadows)
++int yaffs_rename_obj(yaffs_obj_t *old_dir, const YCHAR *old_name,
++ yaffs_obj_t *new_dir, const YCHAR *new_name)
{
- yaffs_ChunkCache *cache;
- yaffs_Object *theObj;
@@ -8715,11 +9353,13 @@
-
- if (dev->nShortOpCaches > 0) {
- /* Try find a non-dirty one... */
-+ int unlinkOp;
-+ int deleteOp;
-
+-
- cache = yaffs_GrabChunkCacheWorker(dev);
-+ yaffs_Object *existingTarget;
++ yaffs_obj_t *obj = NULL;
++ yaffs_obj_t *existingTarget = NULL;
++ int force = 0;
++ int result;
++ yaffs_dev_t *dev;
- if (!cache) {
- /* They were all dirty, find the last recently used object and flush
@@ -8727,28 +9367,18 @@
- * NB what's here is not very accurate, we actually flush the object
- * the last recently used page.
- */
-+ if (newDir == NULL)
-+ newDir = obj->parent; /* use the old directory */
- /* With locking we can't assume we can use entry zero */
-+ if (newDir->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) {
-+ T(YAFFS_TRACE_ALWAYS,
-+ (TSTR
-+ ("tragedy: yaffs_ChangeObjectName: newDir is not a directory"
-+ TENDSTR)));
++ if (!old_dir || old_dir->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY)
++ YBUG();
++ if (!new_dir || new_dir->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY)
+ YBUG();
-+ }
- theObj = NULL;
- usage = -1;
- cache = NULL;
- pushout = -1;
-+ /* TODO: Do we need this different handling for YAFFS2 and YAFFS1?? */
-+ if (obj->myDev->param.isYaffs2)
-+ unlinkOp = (newDir == obj->myDev->unlinkedDir);
-+ else
-+ unlinkOp = (newDir == obj->myDev->unlinkedDir
-+ && obj->variantType == YAFFS_OBJECT_TYPE_FILE);
++ dev = old_dir->my_dev;
- for (i = 0; i < dev->nShortOpCaches; i++) {
- if (dev->srCache[i].object &&
@@ -8760,35 +9390,32 @@
- pushout = i;
- }
- }
-+ deleteOp = (newDir == obj->myDev->deletedDir);
++#ifdef CONFIG_YAFFS_CASE_INSENSITIVE
++ /* Special case for case insemsitive systems (eg. WinCE).
++ * While look-up is case insensitive, the name isn't.
++ * Therefore we might want to change x.txt to X.txt
++ */
++ if (old_dir == new_dir && yaffs_strcmp(old_name, new_name) == 0)
++ force = 1;
++#endif
- if (!cache || cache->dirty) {
- /* Flush and try again */
- yaffs_FlushFilesChunkCache(theObj);
- cache = yaffs_GrabChunkCacheWorker(dev);
- }
-+ existingTarget = yaffs_FindObjectByName(newDir, newName);
++ if(yaffs_strnlen(new_name,YAFFS_MAX_NAME_LENGTH+1) > YAFFS_MAX_NAME_LENGTH)
++ /* ENAMETOOLONG */
++ return YAFFS_FAIL;
- }
- return cache;
- } else
- return NULL;
-+ /* If the object is a file going into the unlinked directory,
-+ * then it is OK to just stuff it in since duplicate names are allowed.
-+ * else only proceed if the new name does not exist and if we're putting
-+ * it into a directory.
-+ */
-+ if ((unlinkOp ||
-+ deleteOp ||
-+ force ||
-+ (shadows > 0) ||
-+ !existingTarget) &&
-+ newDir->variantType == YAFFS_OBJECT_TYPE_DIRECTORY) {
-+ yaffs_SetObjectName(obj, newName);
-+ obj->dirty = 1;
++ obj = yaffs_find_by_name(old_dir, old_name);
-}
-+ yaffs_AddObjectToDirectory(newDir, obj);
++ if (obj && obj->rename_allowed) {
-/* Find a cached chunk */
-static yaffs_ChunkCache *yaffs_FindChunkCache(const yaffs_Object *obj,
@@ -8801,102 +9428,14 @@
- if (dev->srCache[i].object == obj &&
- dev->srCache[i].chunkId == chunkId) {
- dev->cacheHits++;
-+ if (unlinkOp)
-+ obj->unlinked = 1;
++ /* Now do the handling for an existing target, if there is one */
- return &dev->srCache[i];
- }
-- }
-+ /* If it is a deletion then we mark it as a shrink for gc purposes. */
-+ if (yaffs_UpdateObjectHeader(obj, newName, 0, deleteOp, shadows, NULL) >= 0)
-+ return YAFFS_OK;
- }
-- return NULL;
-+
-+ return YAFFS_FAIL;
- }
-
--/* Mark the chunk for the least recently used algorithym */
--static void yaffs_UseChunkCache(yaffs_Device *dev, yaffs_ChunkCache *cache,
-- int isAWrite)
-+int yaffs_RenameObject(yaffs_Object *oldDir, const YCHAR *oldName,
-+ yaffs_Object *newDir, const YCHAR *newName)
- {
-+ yaffs_Object *obj = NULL;
-+ yaffs_Object *existingTarget = NULL;
-+ int force = 0;
-+ int result;
-+ yaffs_Device *dev;
-
-- if (dev->nShortOpCaches > 0) {
-- if (dev->srLastUse < 0 || dev->srLastUse > 100000000) {
-- /* Reset the cache usages */
-- int i;
-- for (i = 1; i < dev->nShortOpCaches; i++)
-- dev->srCache[i].lastUse = 0;
-
-- dev->srLastUse = 0;
-- }
-+ if (!oldDir || oldDir->variantType != YAFFS_OBJECT_TYPE_DIRECTORY)
-+ YBUG();
-+ if (!newDir || newDir->variantType != YAFFS_OBJECT_TYPE_DIRECTORY)
-+ YBUG();
-
-- dev->srLastUse++;
-+ dev = oldDir->myDev;
-
-- cache->lastUse = dev->srLastUse;
-+#ifdef CONFIG_YAFFS_CASE_INSENSITIVE
-+ /* Special case for case insemsitive systems (eg. WinCE).
-+ * While look-up is case insensitive, the name isn't.
-+ * Therefore we might want to change x.txt to X.txt
-+ */
-+ if (oldDir == newDir && yaffs_strcmp(oldName, newName) == 0)
-+ force = 1;
-+#endif
-
-- if (isAWrite)
-- cache->dirty = 1;
-- }
--}
-+ if(yaffs_strnlen(newName,YAFFS_MAX_NAME_LENGTH+1) > YAFFS_MAX_NAME_LENGTH)
-+ /* ENAMETOOLONG */
-+ return YAFFS_FAIL;
-
--/* Invalidate a single cache page.
-- * Do this when a whole page gets written,
-- * ie the short cache for this page is no longer valid.
-- */
--static void yaffs_InvalidateChunkCache(yaffs_Object *object, int chunkId)
--{
-- if (object->myDev->nShortOpCaches > 0) {
-- yaffs_ChunkCache *cache = yaffs_FindChunkCache(object, chunkId);
-+ obj = yaffs_FindObjectByName(oldDir, oldName);
-
-- if (cache)
-- cache->object = NULL;
-- }
--}
-+ if (obj && obj->renameAllowed) {
-
--/* Invalidate all the cache pages associated with this object
-- * Do this whenever ther file is deleted or resized.
-- */
--static void yaffs_InvalidateWholeChunkCache(yaffs_Object *in)
--{
-- int i;
-- yaffs_Device *dev = in->myDev;
-+ /* Now do the handling for an existing target, if there is one */
-
-- if (dev->nShortOpCaches > 0) {
-- /* Invalidate it. */
-- for (i = 0; i < dev->nShortOpCaches; i++) {
-- if (dev->srCache[i].object == in)
-- dev->srCache[i].object = NULL;
-+ existingTarget = yaffs_FindObjectByName(newDir, newName);
++ existingTarget = yaffs_find_by_name(new_dir, new_name);
+ if (existingTarget &&
-+ existingTarget->variantType == YAFFS_OBJECT_TYPE_DIRECTORY &&
-+ !ylist_empty(&existingTarget->variant.directoryVariant.children)) {
++ existingTarget->variant_type == YAFFS_OBJECT_TYPE_DIRECTORY &&
++ !ylist_empty(&existingTarget->variant.dir_variant.children)) {
+ /* There is a target that is a non-empty directory, so we fail */
+ return YAFFS_FAIL; /* EEXIST or ENOTEMPTY */
+ } else if (existingTarget && existingTarget != obj) {
@@ -8906,76 +9445,167 @@
+ * Note we must disable gc otherwise it can mess up the shadowing.
+ *
+ */
-+ dev->gcDisable=1;
-+ yaffs_ChangeObjectName(obj, newDir, newName, force,
-+ existingTarget->objectId);
-+ existingTarget->isShadowed = 1;
-+ yaffs_UnlinkObject(existingTarget);
-+ dev->gcDisable=0;
++ dev->gc_disable=1;
++ yaffs_change_obj_name(obj, new_dir, new_name, force,
++ existingTarget->obj_id);
++ existingTarget->is_shadowed = 1;
++ yaffs_unlink_obj(existingTarget);
++ dev->gc_disable=0;
}
+
-+ result = yaffs_ChangeObjectName(obj, newDir, newName, 1, 0);
++ result = yaffs_change_obj_name(obj, new_dir, new_name, 1, 0);
+
-+ yaffs_UpdateParent(oldDir);
-+ if(newDir != oldDir)
-+ yaffs_UpdateParent(newDir);
++ yaffs_update_parent(old_dir);
++ if(new_dir != old_dir)
++ yaffs_update_parent(new_dir);
+
+ return result;
}
+- return NULL;
+ return YAFFS_FAIL;
}
--/*--------------------- Checkpointing --------------------*/
--
+-/* Mark the chunk for the least recently used algorithym */
+-static void yaffs_UseChunkCache(yaffs_Device *dev, yaffs_ChunkCache *cache,
+- int isAWrite)
+/*------------------------- Block Management and Page Allocation ----------------*/
++
++static int yaffs_init_blocks(yaffs_dev_t *dev)
+ {
++ int nBlocks = dev->internal_end_block - dev->internal_start_block + 1;
+
+- if (dev->nShortOpCaches > 0) {
+- if (dev->srLastUse < 0 || dev->srLastUse > 100000000) {
+- /* Reset the cache usages */
+- int i;
+- for (i = 1; i < dev->nShortOpCaches; i++)
+- dev->srCache[i].lastUse = 0;
++ dev->block_info = NULL;
++ dev->chunk_bits = NULL;
+
+- dev->srLastUse = 0;
+- }
++ dev->alloc_block = -1; /* force it to get a new one */
+
+- dev->srLastUse++;
++ /* If the first allocation strategy fails, thry the alternate one */
++ dev->block_info = YMALLOC(nBlocks * sizeof(yaffs_block_info_t));
++ if (!dev->block_info) {
++ dev->block_info = YMALLOC_ALT(nBlocks * sizeof(yaffs_block_info_t));
++ dev->block_info_alt = 1;
++ } else
++ dev->block_info_alt = 0;
+
+- cache->lastUse = dev->srLastUse;
++ if (dev->block_info) {
++ /* Set up dynamic blockinfo stuff. */
++ dev->chunk_bit_stride = (dev->param.chunks_per_block + 7) / 8; /* round up bytes */
++ dev->chunk_bits = YMALLOC(dev->chunk_bit_stride * nBlocks);
++ if (!dev->chunk_bits) {
++ dev->chunk_bits = YMALLOC_ALT(dev->chunk_bit_stride * nBlocks);
++ dev->chunk_bits_alt = 1;
++ } else
++ dev->chunk_bits_alt = 0;
++ }
+
+- if (isAWrite)
+- cache->dirty = 1;
++ if (dev->block_info && dev->chunk_bits) {
++ memset(dev->block_info, 0, nBlocks * sizeof(yaffs_block_info_t));
++ memset(dev->chunk_bits, 0, dev->chunk_bit_stride * nBlocks);
++ return YAFFS_OK;
+ }
++
++ return YAFFS_FAIL;
+ }
+
+-/* Invalidate a single cache page.
+- * Do this when a whole page gets written,
+- * ie the short cache for this page is no longer valid.
+- */
+-static void yaffs_InvalidateChunkCache(yaffs_Object *object, int chunkId)
++static void yaffs_deinit_blocks(yaffs_dev_t *dev)
+ {
+- if (object->myDev->nShortOpCaches > 0) {
+- yaffs_ChunkCache *cache = yaffs_FindChunkCache(object, chunkId);
++ if (dev->block_info_alt && dev->block_info)
++ YFREE_ALT(dev->block_info);
++ else if (dev->block_info)
++ YFREE(dev->block_info);
+
+- if (cache)
+- cache->object = NULL;
+- }
+-}
++ dev->block_info_alt = 0;
+
+-/* Invalidate all the cache pages associated with this object
+- * Do this whenever ther file is deleted or resized.
+- */
+-static void yaffs_InvalidateWholeChunkCache(yaffs_Object *in)
+-{
+- int i;
+- yaffs_Device *dev = in->myDev;
++ dev->block_info = NULL;
+
+- if (dev->nShortOpCaches > 0) {
+- /* Invalidate it. */
+- for (i = 0; i < dev->nShortOpCaches; i++) {
+- if (dev->srCache[i].object == in)
+- dev->srCache[i].object = NULL;
+- }
+- }
++ if (dev->chunk_bits_alt && dev->chunk_bits)
++ YFREE_ALT(dev->chunk_bits);
++ else if (dev->chunk_bits)
++ YFREE(dev->chunk_bits);
++ dev->chunk_bits_alt = 0;
++ dev->chunk_bits = NULL;
+ }
+
+-/*--------------------- Checkpointing --------------------*/
++void yaffs_block_became_dirty(yaffs_dev_t *dev, int block_no)
++{
++ yaffs_block_info_t *bi = yaffs_get_block_info(dev, block_no);
+
++ int erasedOk = 0;
-static int yaffs_WriteCheckpointValidityMarker(yaffs_Device *dev, int head)
-+static int yaffs_InitialiseBlocks(yaffs_Device *dev)
- {
+-{
- yaffs_CheckpointValidity cp;
-+ int nBlocks = dev->internalEndBlock - dev->internalStartBlock + 1;
++ /* If the block is still healthy erase it and mark as clean.
++ * If the block has had a data failure, then retire it.
++ */
- memset(&cp, 0, sizeof(cp));
-+ dev->blockInfo = NULL;
-+ dev->chunkBits = NULL;
++ T(YAFFS_TRACE_GC | YAFFS_TRACE_ERASE,
++ (TSTR("yaffs_block_became_dirty block %d state %d %s"TENDSTR),
++ block_no, bi->block_state, (bi->needs_retiring) ? "needs retiring" : ""));
- cp.structType = sizeof(cp);
- cp.magic = YAFFS_MAGIC;
- cp.version = YAFFS_CHECKPOINT_VERSION;
- cp.head = (head) ? 1 : 0;
-+ dev->allocationBlock = -1; /* force it to get a new one */
++ yaffs2_clear_oldest_dirty_seq(dev,bi);
- return (yaffs_CheckpointWrite(dev, &cp, sizeof(cp)) == sizeof(cp)) ?
- 1 : 0;
-}
-+ /* If the first allocation strategy fails, thry the alternate one */
-+ dev->blockInfo = YMALLOC(nBlocks * sizeof(yaffs_BlockInfo));
-+ if (!dev->blockInfo) {
-+ dev->blockInfo = YMALLOC_ALT(nBlocks * sizeof(yaffs_BlockInfo));
-+ dev->blockInfoAlt = 1;
-+ } else
-+ dev->blockInfoAlt = 0;
++ bi->block_state = YAFFS_BLOCK_STATE_DIRTY;
-static int yaffs_ReadCheckpointValidityMarker(yaffs_Device *dev, int head)
-{
- yaffs_CheckpointValidity cp;
- int ok;
-+ if (dev->blockInfo) {
-+ /* Set up dynamic blockinfo stuff. */
-+ dev->chunkBitmapStride = (dev->param.nChunksPerBlock + 7) / 8; /* round up bytes */
-+ dev->chunkBits = YMALLOC(dev->chunkBitmapStride * nBlocks);
-+ if (!dev->chunkBits) {
-+ dev->chunkBits = YMALLOC_ALT(dev->chunkBitmapStride * nBlocks);
-+ dev->chunkBitsAlt = 1;
-+ } else
-+ dev->chunkBitsAlt = 0;
-+ }
++ /* If this is the block being garbage collected then stop gc'ing this block */
++ if(block_no == dev->gc_block)
++ dev->gc_block = 0;
- ok = (yaffs_CheckpointRead(dev, &cp, sizeof(cp)) == sizeof(cp));
-+ if (dev->blockInfo && dev->chunkBits) {
-+ memset(dev->blockInfo, 0, nBlocks * sizeof(yaffs_BlockInfo));
-+ memset(dev->chunkBits, 0, dev->chunkBitmapStride * nBlocks);
-+ return YAFFS_OK;
++ /* If this block is currently the best candidate for gc then drop as a candidate */
++ if(block_no == dev->gc_dirtiest){
++ dev->gc_dirtiest = 0;
++ dev->gc_pages_in_use = 0;
+ }
- if (ok)
@@ -8984,100 +9614,130 @@
- (cp.version == YAFFS_CHECKPOINT_VERSION) &&
- (cp.head == ((head) ? 1 : 0));
- return ok ? 1 : 0;
-+ return YAFFS_FAIL;
- }
+-}
++ if (!bi->needs_retiring) {
++ yaffs2_checkpt_invalidate(dev);
++ erasedOk = yaffs_erase_block(dev, block_no);
++ if (!erasedOk) {
++ dev->n_erase_failures++;
++ T(YAFFS_TRACE_ERROR | YAFFS_TRACE_BAD_BLOCKS,
++ (TSTR("**>> Erasure failed %d" TENDSTR), block_no));
++ }
++ }
-static void yaffs_DeviceToCheckpointDevice(yaffs_CheckpointDevice *cp,
- yaffs_Device *dev)
-+static void yaffs_DeinitialiseBlocks(yaffs_Device *dev)
- {
+-{
- cp->nErasedBlocks = dev->nErasedBlocks;
- cp->allocationBlock = dev->allocationBlock;
- cp->allocationPage = dev->allocationPage;
- cp->nFreeChunks = dev->nFreeChunks;
-+ if (dev->blockInfoAlt && dev->blockInfo)
-+ YFREE_ALT(dev->blockInfo);
-+ else if (dev->blockInfo)
-+ YFREE(dev->blockInfo);
++ if (erasedOk &&
++ ((yaffs_trace_mask & YAFFS_TRACE_ERASE) || !yaffs_skip_verification(dev))) {
++ int i;
++ for (i = 0; i < dev->param.chunks_per_block; i++) {
++ if (!yaffs_check_chunk_erased
++ (dev, block_no * dev->param.chunks_per_block + i)) {
++ T(YAFFS_TRACE_ERROR,
++ (TSTR
++ (">>Block %d erasure supposedly OK, but chunk %d not erased"
++ TENDSTR), block_no, i));
++ }
++ }
++ }
+
-+ dev->blockInfoAlt = 0;
++ if (erasedOk) {
++ /* Clean it up... */
++ bi->block_state = YAFFS_BLOCK_STATE_EMPTY;
++ bi->seq_number = 0;
++ dev->n_erased_blocks++;
++ bi->pages_in_use = 0;
++ bi->soft_del_pages = 0;
++ bi->has_shrink_hdr = 0;
++ bi->skip_erased_check = 1; /* This is clean, so no need to check */
++ bi->gc_prioritise = 0;
++ yaffs_clear_chunk_bits(dev, block_no);
- cp->nDeletedFiles = dev->nDeletedFiles;
- cp->nUnlinkedFiles = dev->nUnlinkedFiles;
- cp->nBackgroundDeletions = dev->nBackgroundDeletions;
- cp->sequenceNumber = dev->sequenceNumber;
- cp->oldestDirtySequence = dev->oldestDirtySequence;
-+ dev->blockInfo = NULL;
++ T(YAFFS_TRACE_ERASE,
++ (TSTR("Erased block %d" TENDSTR), block_no));
++ } else {
++ dev->n_free_chunks -= dev->param.chunks_per_block; /* We lost a block of free space */
-+ if (dev->chunkBitsAlt && dev->chunkBits)
-+ YFREE_ALT(dev->chunkBits);
-+ else if (dev->chunkBits)
-+ YFREE(dev->chunkBits);
-+ dev->chunkBitsAlt = 0;
-+ dev->chunkBits = NULL;
++ yaffs_retire_block(dev, block_no);
++ T(YAFFS_TRACE_ERROR | YAFFS_TRACE_BAD_BLOCKS,
++ (TSTR("**>> Block %d retired" TENDSTR), block_no));
++ }
}
-static void yaffs_CheckpointDeviceToDevice(yaffs_Device *dev,
- yaffs_CheckpointDevice *cp)
-+void yaffs_BlockBecameDirty(yaffs_Device *dev, int blockNo)
++static int yaffs_find_alloc_block(yaffs_dev_t *dev)
{
- dev->nErasedBlocks = cp->nErasedBlocks;
- dev->allocationBlock = cp->allocationBlock;
- dev->allocationPage = cp->allocationPage;
- dev->nFreeChunks = cp->nFreeChunks;
-+ yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, blockNo);
-
+-
- dev->nDeletedFiles = cp->nDeletedFiles;
- dev->nUnlinkedFiles = cp->nUnlinkedFiles;
- dev->nBackgroundDeletions = cp->nBackgroundDeletions;
- dev->sequenceNumber = cp->sequenceNumber;
- dev->oldestDirtySequence = cp->oldestDirtySequence;
-}
-+ int erasedOk = 0;
++ int i;
-+ /* If the block is still healthy erase it and mark as clean.
-+ * If the block has had a data failure, then retire it.
-+ */
++ yaffs_block_info_t *bi;
-static int yaffs_WriteCheckpointDevice(yaffs_Device *dev)
-{
- yaffs_CheckpointDevice cp;
- __u32 nBytes;
- __u32 nBlocks = (dev->internalEndBlock - dev->internalStartBlock + 1);
-+ T(YAFFS_TRACE_GC | YAFFS_TRACE_ERASE,
-+ (TSTR("yaffs_BlockBecameDirty block %d state %d %s"TENDSTR),
-+ blockNo, bi->blockState, (bi->needsRetiring) ? "needs retiring" : ""));
++ if (dev->n_erased_blocks < 1) {
++ /* Hoosterman we've got a problem.
++ * Can't get space to gc
++ */
++ T(YAFFS_TRACE_ERROR,
++ (TSTR("yaffs tragedy: no more erased blocks" TENDSTR)));
- int ok;
-+ yaffs2_ClearOldestDirtySequence(dev,bi);
++ return -1;
++ }
- /* Write device runtime values*/
- yaffs_DeviceToCheckpointDevice(&cp, dev);
- cp.structType = sizeof(cp);
-+ bi->blockState = YAFFS_BLOCK_STATE_DIRTY;
++ /* Find an empty block. */
- ok = (yaffs_CheckpointWrite(dev, &cp, sizeof(cp)) == sizeof(cp));
-+ /* If this is the block being garbage collected then stop gc'ing this block */
-+ if(blockNo == dev->gcBlock)
-+ dev->gcBlock = 0;
-+
-+ /* If this block is currently the best candidate for gc then drop as a candidate */
-+ if(blockNo == dev->gcDirtiest){
-+ dev->gcDirtiest = 0;
-+ dev->gcPagesInUse = 0;
-+ }
++ for (i = dev->internal_start_block; i <= dev->internal_end_block; i++) {
++ dev->alloc_block_finder++;
++ if (dev->alloc_block_finder < dev->internal_start_block
++ || dev->alloc_block_finder > dev->internal_end_block) {
++ dev->alloc_block_finder = dev->internal_start_block;
++ }
- /* Write block info */
- if (ok) {
- nBytes = nBlocks * sizeof(yaffs_BlockInfo);
- ok = (yaffs_CheckpointWrite(dev, dev->blockInfo, nBytes) == nBytes);
-+ if (!bi->needsRetiring) {
-+ yaffs2_InvalidateCheckpoint(dev);
-+ erasedOk = yaffs_EraseBlockInNAND(dev, blockNo);
-+ if (!erasedOk) {
-+ dev->nErasureFailures++;
-+ T(YAFFS_TRACE_ERROR | YAFFS_TRACE_BAD_BLOCKS,
-+ (TSTR("**>> Erasure failed %d" TENDSTR), blockNo));
++ bi = yaffs_get_block_info(dev, dev->alloc_block_finder);
++
++ if (bi->block_state == YAFFS_BLOCK_STATE_EMPTY) {
++ bi->block_state = YAFFS_BLOCK_STATE_ALLOCATING;
++ dev->seq_number++;
++ bi->seq_number = dev->seq_number;
++ dev->n_erased_blocks--;
++ T(YAFFS_TRACE_ALLOCATE,
++ (TSTR("Allocated block %d, seq %d, %d left" TENDSTR),
++ dev->alloc_block_finder, dev->seq_number,
++ dev->n_erased_blocks));
++ return dev->alloc_block_finder;
+ }
}
@@ -9085,123 +9745,103 @@
- if (ok) {
- nBytes = nBlocks * dev->chunkBitmapStride;
- ok = (yaffs_CheckpointWrite(dev, dev->chunkBits, nBytes) == nBytes);
-+ if (erasedOk &&
-+ ((yaffs_traceMask & YAFFS_TRACE_ERASE) || !yaffs_SkipVerification(dev))) {
-+ int i;
-+ for (i = 0; i < dev->param.nChunksPerBlock; i++) {
-+ if (!yaffs_CheckChunkErased
-+ (dev, blockNo * dev->param.nChunksPerBlock + i)) {
-+ T(YAFFS_TRACE_ERROR,
-+ (TSTR
-+ (">>Block %d erasure supposedly OK, but chunk %d not erased"
-+ TENDSTR), blockNo, i));
-+ }
-+ }
- }
+- }
- return ok ? 1 : 0;
++ T(YAFFS_TRACE_ALWAYS,
++ (TSTR
++ ("yaffs tragedy: no more erased blocks, but there should have been %d"
++ TENDSTR), dev->n_erased_blocks));
-+ if (erasedOk) {
-+ /* Clean it up... */
-+ bi->blockState = YAFFS_BLOCK_STATE_EMPTY;
-+ bi->sequenceNumber = 0;
-+ dev->nErasedBlocks++;
-+ bi->pagesInUse = 0;
-+ bi->softDeletions = 0;
-+ bi->hasShrinkHeader = 0;
-+ bi->skipErasedCheck = 1; /* This is clean, so no need to check */
-+ bi->gcPrioritise = 0;
-+ yaffs_ClearChunkBits(dev, blockNo);
-+
-+ T(YAFFS_TRACE_ERASE,
-+ (TSTR("Erased block %d" TENDSTR), blockNo));
-+ } else {
-+ dev->nFreeChunks -= dev->param.nChunksPerBlock; /* We lost a block of free space */
-+
-+ yaffs_RetireBlock(dev, blockNo);
-+ T(YAFFS_TRACE_ERROR | YAFFS_TRACE_BAD_BLOCKS,
-+ (TSTR("**>> Block %d retired" TENDSTR), blockNo));
-+ }
++ return -1;
}
-static int yaffs_ReadCheckpointDevice(yaffs_Device *dev)
-+static int yaffs_FindBlockForAllocation(yaffs_Device *dev)
++
++/*
++ * Check if there's space to allocate...
++ * Thinks.... do we need top make this ths same as yaffs_get_free_chunks()?
++ */
++int yaffs_check_alloc_available(yaffs_dev_t *dev, int n_chunks)
{
- yaffs_CheckpointDevice cp;
- __u32 nBytes;
- __u32 nBlocks = (dev->internalEndBlock - dev->internalStartBlock + 1);
--
++ int reservedChunks;
++ int reservedBlocks = dev->param.n_reserved_blocks;
++ int checkpointBlocks;
+
- int ok;
-+ int i;
++ checkpointBlocks = yaffs_calc_checkpt_blocks_required(dev);
- ok = (yaffs_CheckpointRead(dev, &cp, sizeof(cp)) == sizeof(cp));
- if (!ok)
- return 0;
-+ yaffs_BlockInfo *bi;
++ reservedChunks = ((reservedBlocks + checkpointBlocks) * dev->param.chunks_per_block);
- if (cp.structType != sizeof(cp))
- return 0;
-+ if (dev->nErasedBlocks < 1) {
-+ /* Hoosterman we've got a problem.
-+ * Can't get space to gc
-+ */
-+ T(YAFFS_TRACE_ERROR,
-+ (TSTR("yaffs tragedy: no more erased blocks" TENDSTR)));
++ return (dev->n_free_chunks > (reservedChunks + n_chunks));
++}
++
++static int yaffs_alloc_chunk(yaffs_dev_t *dev, int useReserve,
++ yaffs_block_info_t **blockUsedPtr)
++{
++ int retVal;
++ yaffs_block_info_t *bi;
++
++ if (dev->alloc_block < 0) {
++ /* Get next block to allocate off */
++ dev->alloc_block = yaffs_find_alloc_block(dev);
++ dev->alloc_page = 0;
++ }
++ if (!useReserve && !yaffs_check_alloc_available(dev, 1)) {
++ /* Not enough space to allocate unless we're allowed to use the reserve. */
+ return -1;
+ }
- yaffs_CheckpointDeviceToDevice(dev, &cp);
-+ /* Find an empty block. */
++ if (dev->n_erased_blocks < dev->param.n_reserved_blocks
++ && dev->alloc_page == 0) {
++ T(YAFFS_TRACE_ALLOCATE, (TSTR("Allocating reserve" TENDSTR)));
++ }
- nBytes = nBlocks * sizeof(yaffs_BlockInfo);
-+ for (i = dev->internalStartBlock; i <= dev->internalEndBlock; i++) {
-+ dev->allocationBlockFinder++;
-+ if (dev->allocationBlockFinder < dev->internalStartBlock
-+ || dev->allocationBlockFinder > dev->internalEndBlock) {
-+ dev->allocationBlockFinder = dev->internalStartBlock;
-+ }
++ /* Next page please.... */
++ if (dev->alloc_block >= 0) {
++ bi = yaffs_get_block_info(dev, dev->alloc_block);
- ok = (yaffs_CheckpointRead(dev, dev->blockInfo, nBytes) == nBytes);
-+ bi = yaffs_GetBlockInfo(dev, dev->allocationBlockFinder);
++ retVal = (dev->alloc_block * dev->param.chunks_per_block) +
++ dev->alloc_page;
++ bi->pages_in_use++;
++ yaffs_set_chunk_bit(dev, dev->alloc_block,
++ dev->alloc_page);
- if (!ok)
- return 0;
- nBytes = nBlocks * dev->chunkBitmapStride;
-+ if (bi->blockState == YAFFS_BLOCK_STATE_EMPTY) {
-+ bi->blockState = YAFFS_BLOCK_STATE_ALLOCATING;
-+ dev->sequenceNumber++;
-+ bi->sequenceNumber = dev->sequenceNumber;
-+ dev->nErasedBlocks--;
-+ T(YAFFS_TRACE_ALLOCATE,
-+ (TSTR("Allocated block %d, seq %d, %d left" TENDSTR),
-+ dev->allocationBlockFinder, dev->sequenceNumber,
-+ dev->nErasedBlocks));
-+ return dev->allocationBlockFinder;
-+ }
-+ }
++ dev->alloc_page++;
- ok = (yaffs_CheckpointRead(dev, dev->chunkBits, nBytes) == nBytes);
-+ T(YAFFS_TRACE_ALWAYS,
-+ (TSTR
-+ ("yaffs tragedy: no more erased blocks, but there should have been %d"
-+ TENDSTR), dev->nErasedBlocks));
++ dev->n_free_chunks--;
- return ok ? 1 : 0;
-+ return -1;
- }
+-}
++ /* If the block is full set the state to full */
++ if (dev->alloc_page >= dev->param.chunks_per_block) {
++ bi->block_state = YAFFS_BLOCK_STATE_FULL;
++ dev->alloc_block = -1;
++ }
-static void yaffs_ObjectToCheckpointObject(yaffs_CheckpointObject *cp,
- yaffs_Object *obj)
+-{
++ if (blockUsedPtr)
++ *blockUsedPtr = bi;
+
-+/*
-+ * Check if there's space to allocate...
-+ * Thinks.... do we need top make this ths same as yaffs_GetFreeChunks()?
-+ */
-+int yaffs_CheckSpaceForAllocation(yaffs_Device *dev, int nChunks)
- {
-+ int reservedChunks;
-+ int reservedBlocks = dev->param.nReservedBlocks;
-+ int checkpointBlocks;
++ return retVal;
++ }
- cp->objectId = obj->objectId;
- cp->parentId = (obj->parent) ? obj->parent->objectId : 0;
@@ -9215,30 +9855,23 @@
- cp->unlinkAllowed = obj->unlinkAllowed;
- cp->serial = obj->serial;
- cp->nDataChunks = obj->nDataChunks;
-+ checkpointBlocks = yaffs2_CalcCheckpointBlocksRequired(dev);
++ T(YAFFS_TRACE_ERROR,
++ (TSTR("!!!!!!!!! Allocator out !!!!!!!!!!!!!!!!!" TENDSTR)));
- if (obj->variantType == YAFFS_OBJECT_TYPE_FILE)
- cp->fileSizeOrEquivalentObjectId = obj->variant.fileVariant.fileSize;
- else if (obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK)
- cp->fileSizeOrEquivalentObjectId = obj->variant.hardLinkVariant.equivalentObjectId;
-+ reservedChunks = ((reservedBlocks + checkpointBlocks) * dev->param.nChunksPerBlock);
-+
-+ return (dev->nFreeChunks > (reservedChunks + nChunks));
++ return -1;
}
-static int yaffs_CheckpointObjectToObject(yaffs_Object *obj, yaffs_CheckpointObject *cp)
-+static int yaffs_AllocateChunk(yaffs_Device *dev, int useReserve,
-+ yaffs_BlockInfo **blockUsedPtr)
++static int yaffs_get_erased_chunks(yaffs_dev_t *dev)
{
-+ int retVal;
-+ yaffs_BlockInfo *bi;
++ int n;
- yaffs_Object *parent;
-+ if (dev->allocationBlock < 0) {
-+ /* Get next block to allocate off */
-+ dev->allocationBlock = yaffs_FindBlockForAllocation(dev);
-+ dev->allocationPage = 0;
-+ }
++ n = dev->n_erased_blocks * dev->param.chunks_per_block;
- if (obj->variantType != cp->variantType) {
- T(YAFFS_TRACE_ERROR, (TSTR("Checkpoint read object %d type %d "
@@ -9246,16 +9879,12 @@
- TENDSTR), cp->objectId, cp->variantType, cp->hdrChunk,
- obj->variantType));
- return 0;
-+ if (!useReserve && !yaffs_CheckSpaceForAllocation(dev, 1)) {
-+ /* Not enough space to allocate unless we're allowed to use the reserve. */
-+ return -1;
- }
+- }
++ if (dev->alloc_block > 0)
++ n += (dev->param.chunks_per_block - dev->alloc_page);
- obj->objectId = cp->objectId;
-+ if (dev->nErasedBlocks < dev->param.nReservedBlocks
-+ && dev->allocationPage == 0) {
-+ T(YAFFS_TRACE_ALLOCATE, (TSTR("Allocating reserve" TENDSTR)));
-+ }
++ return n;
- if (cp->parentId)
- parent = yaffs_FindOrCreateObjectByNumber(
@@ -9264,9 +9893,7 @@
- YAFFS_OBJECT_TYPE_DIRECTORY);
- else
- parent = NULL;
-+ /* Next page please.... */
-+ if (dev->allocationBlock >= 0) {
-+ bi = yaffs_GetBlockInfo(dev, dev->allocationBlock);
++}
- if (parent) {
- if (parent->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) {
@@ -9276,15 +9903,21 @@
- cp->objectId, cp->parentId, cp->variantType,
- cp->hdrChunk, parent->variantType));
- return 0;
-- }
++/*
++ * yaffs_skip_rest_of_block() skips over the rest of the allocation block
++ * if we don't want to write to it.
++ */
++void yaffs_skip_rest_of_block(yaffs_dev_t *dev)
++{
++ if(dev->alloc_block > 0){
++ yaffs_block_info_t *bi = yaffs_get_block_info(dev, dev->alloc_block);
++ if(bi->block_state == YAFFS_BLOCK_STATE_ALLOCATING){
++ bi->block_state = YAFFS_BLOCK_STATE_FULL;
++ dev->alloc_block = -1;
+ }
- yaffs_AddObjectToDirectory(parent, obj);
-- }
-+ retVal = (dev->allocationBlock * dev->param.nChunksPerBlock) +
-+ dev->allocationPage;
-+ bi->pagesInUse++;
-+ yaffs_SetChunkBit(dev, dev->allocationBlock,
-+ dev->allocationPage);
-
+ }
+-
- obj->hdrChunk = cp->hdrChunk;
- obj->variantType = cp->variantType;
- obj->deleted = cp->deleted;
@@ -9295,52 +9928,45 @@
- obj->unlinkAllowed = cp->unlinkAllowed;
- obj->serial = cp->serial;
- obj->nDataChunks = cp->nDataChunks;
-+ dev->allocationPage++;
-
+-
- if (obj->variantType == YAFFS_OBJECT_TYPE_FILE)
- obj->variant.fileVariant.fileSize = cp->fileSizeOrEquivalentObjectId;
- else if (obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK)
- obj->variant.hardLinkVariant.equivalentObjectId = cp->fileSizeOrEquivalentObjectId;
-+ dev->nFreeChunks--;
-
+-
- if (obj->hdrChunk > 0)
- obj->lazyLoaded = 1;
- return 1;
--}
-+ /* If the block is full set the state to full */
-+ if (dev->allocationPage >= dev->param.nChunksPerBlock) {
-+ bi->blockState = YAFFS_BLOCK_STATE_FULL;
-+ dev->allocationBlock = -1;
-+ }
+ }
-+ if (blockUsedPtr)
-+ *blockUsedPtr = bi;
-
-+ return retVal;
-+ }
+-
-static int yaffs_CheckpointTnodeWorker(yaffs_Object *in, yaffs_Tnode *tn,
- __u32 level, int chunkOffset)
--{
-- int i;
++static int yaffs_gc_block(yaffs_dev_t *dev, int block,
++ int wholeBlock)
+ {
++ int oldChunk;
++ int newChunk;
++ int mark_flash;
++ int retVal = YAFFS_OK;
+ int i;
- yaffs_Device *dev = in->myDev;
- int ok = 1;
- int tnodeSize = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8;
-+ T(YAFFS_TRACE_ERROR,
-+ (TSTR("!!!!!!!!! Allocator out !!!!!!!!!!!!!!!!!" TENDSTR)));
-
+-
- if (tnodeSize < sizeof(yaffs_Tnode))
- tnodeSize = sizeof(yaffs_Tnode);
-+ return -1;
-+}
++ int isCheckpointBlock;
++ int matchingChunk;
++ int maxCopies;
-+static int yaffs_GetErasedChunks(yaffs_Device *dev)
-+{
-+ int n;
++ int chunksBefore = yaffs_get_erased_chunks(dev);
++ int chunksAfter;
- if (tn) {
- if (level > 0) {
-+ n = dev->nErasedBlocks * dev->param.nChunksPerBlock;
++ yaffs_ext_tags tags;
- for (i = 0; i < YAFFS_NTNODES_INTERNAL && ok; i++) {
- if (tn->internal[i]) {
@@ -9357,24 +9983,19 @@
- ok = (yaffs_CheckpointWrite(dev, tn, tnodeSize) == tnodeSize);
- }
- }
-+ if (dev->allocationBlock > 0)
-+ n += (dev->param.nChunksPerBlock - dev->allocationPage);
++ yaffs_block_info_t *bi = yaffs_get_block_info(dev, block);
- return ok;
-+ return n;
++ yaffs_obj_t *object;
- }
+-}
++ isCheckpointBlock = (bi->block_state == YAFFS_BLOCK_STATE_CHECKPOINT);
-static int yaffs_WriteCheckpointTnodes(yaffs_Object *obj)
-+/*
-+ * yaffs_SkipRestOfBlock() skips over the rest of the allocation block
-+ * if we don't want to write to it.
-+ */
-+void yaffs_SkipRestOfBlock(yaffs_Device *dev)
- {
+-{
- __u32 endMarker = ~0;
- int ok = 1;
--
+
- if (obj->variantType == YAFFS_OBJECT_TYPE_FILE) {
- ok = yaffs_CheckpointTnodeWorker(obj,
- obj->variant.fileVariant.top,
@@ -9383,16 +10004,17 @@
- if (ok)
- ok = (yaffs_CheckpointWrite(obj->myDev, &endMarker, sizeof(endMarker)) ==
- sizeof(endMarker));
-+ if(dev->allocationBlock > 0){
-+ yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, dev->allocationBlock);
-+ if(bi->blockState == YAFFS_BLOCK_STATE_ALLOCATING){
-+ bi->blockState = YAFFS_BLOCK_STATE_FULL;
-+ dev->allocationBlock = -1;
-+ }
- }
--
+- }
++ T(YAFFS_TRACE_TRACING,
++ (TSTR("Collecting block %d, in use %d, shrink %d, wholeBlock %d" TENDSTR),
++ block,
++ bi->pages_in_use,
++ bi->has_shrink_hdr,
++ wholeBlock));
+
- return ok ? 1 : 0;
- }
+-}
++ /*yaffs_verify_free_chunks(dev); */
-static int yaffs_ReadCheckpointTnodes(yaffs_Object *obj)
-{
@@ -9403,70 +10025,71 @@
- yaffs_Tnode *tn;
- int nread = 0;
- int tnodeSize = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8;
++ if(bi->block_state == YAFFS_BLOCK_STATE_FULL)
++ bi->block_state = YAFFS_BLOCK_STATE_COLLECTING;
++
++ bi->has_shrink_hdr = 0; /* clear the flag so that the block can erase */
- if (tnodeSize < sizeof(yaffs_Tnode))
- tnodeSize = sizeof(yaffs_Tnode);
-+static int yaffs_GarbageCollectBlock(yaffs_Device *dev, int block,
-+ int wholeBlock)
-+{
-+ int oldChunk;
-+ int newChunk;
-+ int markNAND;
-+ int retVal = YAFFS_OK;
-+ int i;
-+ int isCheckpointBlock;
-+ int matchingChunk;
-+ int maxCopies;
++ dev->gc_disable = 1;
- ok = (yaffs_CheckpointRead(dev, &baseChunk, sizeof(baseChunk)) == sizeof(baseChunk));
-+ int chunksBefore = yaffs_GetErasedChunks(dev);
-+ int chunksAfter;
++ if (isCheckpointBlock ||
++ !yaffs_still_some_chunks(dev, block)) {
++ T(YAFFS_TRACE_TRACING,
++ (TSTR
++ ("Collecting block %d that has no chunks in use" TENDSTR),
++ block));
++ yaffs_block_became_dirty(dev, block);
++ } else {
- while (ok && (~baseChunk)) {
- nread++;
- /* Read level 0 tnode */
-+ yaffs_ExtendedTags tags;
++ __u8 *buffer = yaffs_get_temp_buffer(dev, __LINE__);
-+ yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, block);
++ yaffs_verify_blk(dev, bi, block);
- tn = yaffs_GetTnodeRaw(dev);
- if (tn)
- ok = (yaffs_CheckpointRead(dev, tn, tnodeSize) == tnodeSize);
- else
- ok = 0;
-+ yaffs_Object *object;
++ maxCopies = (wholeBlock) ? dev->param.chunks_per_block : 5;
++ oldChunk = block * dev->param.chunks_per_block + dev->gc_chunk;
- if (tn && ok)
- ok = yaffs_AddOrFindLevel0Tnode(dev,
- fileStructPtr,
- baseChunk,
- tn) ? 1 : 0;
-+ isCheckpointBlock = (bi->blockState == YAFFS_BLOCK_STATE_CHECKPOINT);
++ for (/* init already done */;
++ retVal == YAFFS_OK &&
++ dev->gc_chunk < dev->param.chunks_per_block &&
++ (bi->block_state == YAFFS_BLOCK_STATE_COLLECTING) &&
++ maxCopies > 0;
++ dev->gc_chunk++, oldChunk++) {
++ if (yaffs_check_chunk_bit(dev, block, dev->gc_chunk)) {
- if (ok)
- ok = (yaffs_CheckpointRead(dev, &baseChunk, sizeof(baseChunk)) == sizeof(baseChunk));
++ /* This page is in use and might need to be copied off */
- }
-+ T(YAFFS_TRACE_TRACING,
-+ (TSTR("Collecting block %d, in use %d, shrink %d, wholeBlock %d" TENDSTR),
-+ block,
-+ bi->pagesInUse,
-+ bi->hasShrinkHeader,
-+ wholeBlock));
++ maxCopies--;
- T(YAFFS_TRACE_CHECKPOINT, (
- TSTR("Checkpoint read tnodes %d records, last %d. ok %d" TENDSTR),
- nread, baseChunk, ok));
-+ /*yaffs_VerifyFreeChunks(dev); */
++ mark_flash = 1;
- return ok ? 1 : 0;
-}
-+ if(bi->blockState == YAFFS_BLOCK_STATE_FULL)
-+ bi->blockState = YAFFS_BLOCK_STATE_COLLECTING;
-+
-+ bi->hasShrinkHeader = 0; /* clear the flag so that the block can erase */
++ yaffs_init_tags(&tags);
-+ dev->gcDisable = 1;
++ yaffs_rd_chunk_tags_nand(dev, oldChunk,
++ buffer, &tags);
-static int yaffs_WriteCheckpointObjects(yaffs_Device *dev)
-{
@@ -9475,21 +10098,26 @@
- int i;
- int ok = 1;
- struct ylist_head *lh;
-+ if (isCheckpointBlock ||
-+ !yaffs_StillSomeChunkBits(dev, block)) {
-+ T(YAFFS_TRACE_TRACING,
-+ (TSTR
-+ ("Collecting block %d that has no chunks in use" TENDSTR),
-+ block));
-+ yaffs_BlockBecameDirty(dev, block);
-+ } else {
++ object =
++ yaffs_find_by_number(dev,
++ tags.obj_id);
-+ __u8 *buffer = yaffs_GetTempBuffer(dev, __LINE__);
++ T(YAFFS_TRACE_GC_DETAIL,
++ (TSTR
++ ("Collecting chunk in block %d, %d %d %d " TENDSTR),
++ dev->gc_chunk, tags.obj_id, tags.chunk_id,
++ tags.n_bytes));
- /* Iterate through the objects in each hash entry,
- * dumping them to the checkpointing stream.
- */
-+ yaffs_VerifyBlock(dev, bi, block);
++ if (object && !yaffs_skip_verification(dev)) {
++ if (tags.chunk_id == 0)
++ matchingChunk = object->hdr_chunk;
++ else if (object->soft_del)
++ matchingChunk = oldChunk; /* Defeat the test */
++ else
++ matchingChunk = yaffs_find_chunk_in_file(object, tags.chunk_id, NULL);
- for (i = 0; ok && i < YAFFS_NOBJECT_BUCKETS; i++) {
- ylist_for_each(lh, &dev->objectBucket[i].list) {
@@ -9502,38 +10130,80 @@
- T(YAFFS_TRACE_CHECKPOINT, (
- TSTR("Checkpoint write object %d parent %d type %d chunk %d obj addr %x" TENDSTR),
- cp.objectId, cp.parentId, cp.variantType, cp.hdrChunk, (unsigned) obj));
-+ maxCopies = (wholeBlock) ? dev->param.nChunksPerBlock : 5;
-+ oldChunk = block * dev->param.nChunksPerBlock + dev->gcChunk;
++ if (oldChunk != matchingChunk)
++ T(YAFFS_TRACE_ERROR,
++ (TSTR("gc: page in gc mismatch: %d %d %d %d"TENDSTR),
++ oldChunk, matchingChunk, tags.obj_id, tags.chunk_id));
- ok = (yaffs_CheckpointWrite(dev, &cp, sizeof(cp)) == sizeof(cp));
-+ for (/* init already done */;
-+ retVal == YAFFS_OK &&
-+ dev->gcChunk < dev->param.nChunksPerBlock &&
-+ (bi->blockState == YAFFS_BLOCK_STATE_COLLECTING) &&
-+ maxCopies > 0;
-+ dev->gcChunk++, oldChunk++) {
-+ if (yaffs_CheckChunkBit(dev, block, dev->gcChunk)) {
++ }
- if (ok && obj->variantType == YAFFS_OBJECT_TYPE_FILE)
- ok = yaffs_WriteCheckpointTnodes(obj);
-- }
++ if (!object) {
++ T(YAFFS_TRACE_ERROR,
++ (TSTR
++ ("page %d in gc has no object: %d %d %d "
++ TENDSTR), oldChunk,
++ tags.obj_id, tags.chunk_id, tags.n_bytes));
+ }
- }
- }
- }
-+ /* This page is in use and might need to be copied off */
- /* Dump end of list */
- memset(&cp, 0xFF, sizeof(yaffs_CheckpointObject));
- cp.structType = sizeof(cp);
-+ maxCopies--;
++ if (object &&
++ object->deleted &&
++ object->soft_del &&
++ tags.chunk_id != 0) {
++ /* Data chunk in a soft deleted file, throw it away
++ * It's a soft deleted data chunk,
++ * No need to copy this, just forget about it and
++ * fix up the object.
++ */
++
++ /* Free chunks already includes softdeleted chunks.
++ * How ever this chunk is going to soon be really deleted
++ * which will increment free chunks.
++ * We have to decrement free chunks so this works out properly.
++ */
++ dev->n_free_chunks--;
++ bi->soft_del_pages--;
++
++ object->n_data_chunks--;
- if (ok)
- ok = (yaffs_CheckpointWrite(dev, &cp, sizeof(cp)) == sizeof(cp));
-+ markNAND = 1;
++ if (object->n_data_chunks <= 0) {
++ /* remeber to clean up the object */
++ dev->gc_cleanup_list[dev->n_clean_ups] =
++ tags.obj_id;
++ dev->n_clean_ups++;
++ }
++ mark_flash = 0;
++ } else if (0) {
++ /* Todo object && object->deleted && object->n_data_chunks == 0 */
++ /* Deleted object header with no data chunks.
++ * Can be discarded and the file deleted.
++ */
++ object->hdr_chunk = 0;
++ yaffs_free_tnode(object->my_dev,
++ object->variant.
++ file_variant.top);
++ object->variant.file_variant.top = NULL;
++ yaffs_generic_obj_del(object);
- return ok ? 1 : 0;
-}
-+ yaffs_InitialiseTags(&tags);
++ } else if (object) {
++ /* It's either a data chunk in a live file or
++ * an ObjectHeader, so we're interested in it.
++ * NB Need to keep the ObjectHeaders of deleted files
++ * until the whole file has been deleted off
++ */
++ tags.serial_number++;
-static int yaffs_ReadCheckpointObjects(yaffs_Device *dev)
-{
@@ -9542,8 +10212,7 @@
- int ok = 1;
- int done = 0;
- yaffs_Object *hardList = NULL;
-+ yaffs_ReadChunkWithTagsFromNAND(dev, oldChunk,
-+ buffer, &tags);
++ dev->n_gc_copies++;
- while (ok && !done) {
- ok = (yaffs_CheckpointRead(dev, &cp, sizeof(cp)) == sizeof(cp));
@@ -9575,112 +10244,7 @@
- ok = 0;
- }
- }
-+ object =
-+ yaffs_FindObjectByNumber(dev,
-+ tags.objectId);
-
-- if (ok)
-- yaffs_HardlinkFixup(dev, hardList);
-+ T(YAFFS_TRACE_GC_DETAIL,
-+ (TSTR
-+ ("Collecting chunk in block %d, %d %d %d " TENDSTR),
-+ dev->gcChunk, tags.objectId, tags.chunkId,
-+ tags.byteCount));
-
-- return ok ? 1 : 0;
--}
-+ if (object && !yaffs_SkipVerification(dev)) {
-+ if (tags.chunkId == 0)
-+ matchingChunk = object->hdrChunk;
-+ else if (object->softDeleted)
-+ matchingChunk = oldChunk; /* Defeat the test */
-+ else
-+ matchingChunk = yaffs_FindChunkInFile(object, tags.chunkId, NULL);
-
--static int yaffs_WriteCheckpointSum(yaffs_Device *dev)
--{
-- __u32 checkpointSum;
-- int ok;
-+ if (oldChunk != matchingChunk)
-+ T(YAFFS_TRACE_ERROR,
-+ (TSTR("gc: page in gc mismatch: %d %d %d %d"TENDSTR),
-+ oldChunk, matchingChunk, tags.objectId, tags.chunkId));
-
-- yaffs_GetCheckpointSum(dev, &checkpointSum);
-+ }
-
-- ok = (yaffs_CheckpointWrite(dev, &checkpointSum, sizeof(checkpointSum)) == sizeof(checkpointSum));
-+ if (!object) {
-+ T(YAFFS_TRACE_ERROR,
-+ (TSTR
-+ ("page %d in gc has no object: %d %d %d "
-+ TENDSTR), oldChunk,
-+ tags.objectId, tags.chunkId, tags.byteCount));
-+ }
-
-- if (!ok)
-- return 0;
-+ if (object &&
-+ object->deleted &&
-+ object->softDeleted &&
-+ tags.chunkId != 0) {
-+ /* Data chunk in a soft deleted file, throw it away
-+ * It's a soft deleted data chunk,
-+ * No need to copy this, just forget about it and
-+ * fix up the object.
-+ */
-+
-+ /* Free chunks already includes softdeleted chunks.
-+ * How ever this chunk is going to soon be really deleted
-+ * which will increment free chunks.
-+ * We have to decrement free chunks so this works out properly.
-+ */
-+ dev->nFreeChunks--;
-+ bi->softDeletions--;
-
-- return 1;
--}
-+ object->nDataChunks--;
-
--static int yaffs_ReadCheckpointSum(yaffs_Device *dev)
--{
-- __u32 checkpointSum0;
-- __u32 checkpointSum1;
-- int ok;
-+ if (object->nDataChunks <= 0) {
-+ /* remeber to clean up the object */
-+ dev->gcCleanupList[dev->nCleanups] =
-+ tags.objectId;
-+ dev->nCleanups++;
-+ }
-+ markNAND = 0;
-+ } else if (0) {
-+ /* Todo object && object->deleted && object->nDataChunks == 0 */
-+ /* Deleted object header with no data chunks.
-+ * Can be discarded and the file deleted.
-+ */
-+ object->hdrChunk = 0;
-+ yaffs_FreeTnode(object->myDev,
-+ object->variant.
-+ fileVariant.top);
-+ object->variant.fileVariant.top = NULL;
-+ yaffs_DoGenericObjectDeletion(object);
-
-- yaffs_GetCheckpointSum(dev, &checkpointSum0);
-+ } else if (object) {
-+ /* It's either a data chunk in a live file or
-+ * an ObjectHeader, so we're interested in it.
-+ * NB Need to keep the ObjectHeaders of deleted files
-+ * until the whole file has been deleted off
-+ */
-+ tags.serialNumber++;
-
-- ok = (yaffs_CheckpointRead(dev, &checkpointSum1, sizeof(checkpointSum1)) == sizeof(checkpointSum1));
-+ dev->nGCCopies++;
-
-- if (!ok)
-- return 0;
-+ if (tags.chunkId == 0) {
++ if (tags.chunk_id == 0) {
+ /* It is an object Id,
+ * We need to nuke the shrinkheader flags first
+ * Also need to clean up shadowing.
@@ -9688,47 +10252,131 @@
+ * and if it is left in place it will mess up scanning.
+ */
-- if (checkpointSum0 != checkpointSum1)
+- if (ok)
+- yaffs_HardlinkFixup(dev, hardList);
++ yaffs_obj_header *oh;
++ oh = (yaffs_obj_header *)buffer;
+
+- return ok ? 1 : 0;
+-}
++ oh->is_shrink = 0;
++ tags.extra_is_shrink = 0;
+
+-static int yaffs_WriteCheckpointSum(yaffs_Device *dev)
+-{
+- __u32 checkpointSum;
+- int ok;
++ oh->shadows_obj = 0;
++ oh->inband_shadowed_obj_id = 0;
++ tags.extra_shadows = 0;
++
++ /* Update file size */
++ if(object->variant_type == YAFFS_OBJECT_TYPE_FILE){
++ oh->file_size = object->variant.file_variant.file_size;
++ tags.extra_length = oh->file_size;
++ }
++
++ yaffs_verify_oh(object, oh, &tags, 1);
++ newChunk =
++ yaffs_write_new_chunk(dev,(__u8 *) oh, &tags, 1);
++ } else
++ newChunk =
++ yaffs_write_new_chunk(dev, buffer, &tags, 1);
++
++ if (newChunk < 0) {
++ retVal = YAFFS_FAIL;
++ } else {
+
+- yaffs_GetCheckpointSum(dev, &checkpointSum);
++ /* Ok, now fix up the Tnodes etc. */
+
+- ok = (yaffs_CheckpointWrite(dev, &checkpointSum, sizeof(checkpointSum)) == sizeof(checkpointSum));
++ if (tags.chunk_id == 0) {
++ /* It's a header */
++ object->hdr_chunk = newChunk;
++ object->serial = tags.serial_number;
++ } else {
++ /* It's a data chunk */
++ int ok;
++ ok = yaffs_put_chunk_in_file
++ (object,
++ tags.chunk_id,
++ newChunk, 0);
++ }
++ }
++ }
+
+- if (!ok)
- return 0;
-+ yaffs_ObjectHeader *oh;
-+ oh = (yaffs_ObjectHeader *)buffer;
++ if (retVal == YAFFS_OK)
++ yaffs_chunk_del(dev, oldChunk, mark_flash, __LINE__);
+
+- return 1;
+-}
++ }
++ }
+
+-static int yaffs_ReadCheckpointSum(yaffs_Device *dev)
+-{
+- __u32 checkpointSum0;
+- __u32 checkpointSum1;
+- int ok;
++ yaffs_release_temp_buffer(dev, buffer, __LINE__);
+
+- yaffs_GetCheckpointSum(dev, &checkpointSum0);
+
+- ok = (yaffs_CheckpointRead(dev, &checkpointSum1, sizeof(checkpointSum1)) == sizeof(checkpointSum1));
+
+- if (!ok)
+- return 0;
++ }
+
+- if (checkpointSum0 != checkpointSum1)
+- return 0;
++ yaffs_verify_collected_blk(dev, bi, block);
- return 1;
-}
-+ oh->isShrink = 0;
-+ tags.extraIsShrinkHeader = 0;
-+ oh->shadowsObject = 0;
-+ oh->inbandShadowsObject = 0;
-+ tags.extraShadows = 0;
-+
-+ /* Update file size */
-+ if(object->variantType == YAFFS_OBJECT_TYPE_FILE){
-+ oh->fileSize = object->variant.fileVariant.fileSize;
-+ tags.extraFileLength = oh->fileSize;
-+ }
-static int yaffs_WriteCheckpointData(yaffs_Device *dev)
-{
- int ok = 1;
-+ yaffs_VerifyObjectHeader(object, oh, &tags, 1);
-+ newChunk =
-+ yaffs_WriteNewChunkWithTagsToNAND(dev,(__u8 *) oh, &tags, 1);
-+ } else
-+ newChunk =
-+ yaffs_WriteNewChunkWithTagsToNAND(dev, buffer, &tags, 1);
++ if (bi->block_state == YAFFS_BLOCK_STATE_COLLECTING) {
++ /*
++ * The gc did not complete. Set block state back to FULL
++ * because checkpointing does not restore gc.
++ */
++ bi->block_state = YAFFS_BLOCK_STATE_FULL;
++ } else {
++ /* The gc completed. */
++ /* Do any required cleanups */
++ for (i = 0; i < dev->n_clean_ups; i++) {
++ /* Time to delete the file too */
++ object =
++ yaffs_find_by_number(dev,
++ dev->gc_cleanup_list[i]);
++ if (object) {
++ yaffs_free_tnode(dev,
++ object->variant.file_variant.
++ top);
++ object->variant.file_variant.top = NULL;
++ T(YAFFS_TRACE_GC,
++ (TSTR
++ ("yaffs: About to finally delete object %d"
++ TENDSTR), object->obj_id));
++ yaffs_generic_obj_del(object);
++ object->my_dev->n_deleted_files--;
++ }
- if (dev->skipCheckpointWrite || !dev->isYaffs2) {
- T(YAFFS_TRACE_CHECKPOINT, (TSTR("skipping checkpoint write" TENDSTR)));
- ok = 0;
- }
-+ if (newChunk < 0) {
-+ retVal = YAFFS_FAIL;
-+ } else {
++ }
- if (ok)
- ok = yaffs_CheckpointOpen(dev, 1);
-+ /* Ok, now fix up the Tnodes etc. */
- if (ok) {
- T(YAFFS_TRACE_CHECKPOINT, (TSTR("write checkpoint validity" TENDSTR)));
@@ -9745,53 +10393,84 @@
- if (ok) {
- T(YAFFS_TRACE_CHECKPOINT, (TSTR("write checkpoint validity" TENDSTR)));
- ok = yaffs_WriteCheckpointValidityMarker(dev, 0);
-- }
-+ if (tags.chunkId == 0) {
-+ /* It's a header */
-+ object->hdrChunk = newChunk;
-+ object->serial = tags.serialNumber;
-+ } else {
-+ /* It's a data chunk */
-+ int ok;
-+ ok = yaffs_PutChunkIntoFile
-+ (object,
-+ tags.chunkId,
-+ newChunk, 0);
-+ }
-+ }
-+ }
++ chunksAfter = yaffs_get_erased_chunks(dev);
++ if (chunksBefore >= chunksAfter) {
++ T(YAFFS_TRACE_GC,
++ (TSTR
++ ("gc did not increase free chunks before %d after %d"
++ TENDSTR), chunksBefore, chunksAfter));
++ }
++ dev->gc_block = 0;
++ dev->gc_chunk = 0;
++ dev->n_clean_ups = 0;
+ }
- if (ok)
- ok = yaffs_WriteCheckpointSum(dev);
-+ if (retVal == YAFFS_OK)
-+ yaffs_DeleteChunk(dev, oldChunk, markNAND, __LINE__);
-
+-
- if (!yaffs_CheckpointClose(dev))
- ok = 0;
-+ }
-+ }
-
+-
- if (ok)
- dev->isCheckpointed = 1;
- else
- dev->isCheckpointed = 0;
-+ yaffs_ReleaseTempBuffer(dev, buffer, __LINE__);
++ dev->gc_disable = 0;
- return dev->isCheckpointed;
--}
++ return retVal;
+ }
-static int yaffs_ReadCheckpointData(yaffs_Device *dev)
--{
++/*
++ * FindBlockForgarbageCollection is used to select the dirtiest block (or close enough)
++ * for garbage collection.
++ */
++
++static unsigned yaffs_find_gc_block(yaffs_dev_t *dev,
++ int aggressive,
++ int background)
+ {
- int ok = 1;
++ int i;
++ int iterations;
++ unsigned selected = 0;
++ int prioritised = 0;
++ int prioritisedExists = 0;
++ yaffs_block_info_t *bi;
++ int threshold;
- if (dev->skipCheckpointRead || !dev->isYaffs2) {
- T(YAFFS_TRACE_CHECKPOINT, (TSTR("skipping checkpoint read" TENDSTR)));
- ok = 0;
- }
+- }
++ /* First let's see if we need to grab a prioritised block */
++ if (dev->has_pending_prioritised_gc && !aggressive) {
++ dev->gc_dirtiest = 0;
++ bi = dev->block_info;
++ for (i = dev->internal_start_block;
++ i <= dev->internal_end_block && !selected;
++ i++) {
++
++ if (bi->gc_prioritise) {
++ prioritisedExists = 1;
++ if (bi->block_state == YAFFS_BLOCK_STATE_FULL &&
++ yaffs_block_ok_for_gc(dev, bi)) {
++ selected = i;
++ prioritised = 1;
++ }
++ }
++ bi++;
++ }
- if (ok)
- ok = yaffs_CheckpointOpen(dev, 0); /* open for read */
--
++ /*
++ * If there is a prioritised block and none was selected then
++ * this happened because there is at least one old dirty block gumming
++ * up the works. Let's gc the oldest dirty block.
++ */
+
- if (ok) {
- T(YAFFS_TRACE_CHECKPOINT, (TSTR("read checkpoint validity" TENDSTR)));
- ok = yaffs_ReadCheckpointValidityMarker(dev, 1);
@@ -9808,51 +10487,42 @@
- T(YAFFS_TRACE_CHECKPOINT, (TSTR("read checkpoint validity" TENDSTR)));
- ok = yaffs_ReadCheckpointValidityMarker(dev, 0);
- }
-+ yaffs_VerifyCollectedBlock(dev, bi, block);
++ if(prioritisedExists &&
++ !selected &&
++ dev->oldest_dirty_block > 0)
++ selected = dev->oldest_dirty_block;
- if (ok) {
- ok = yaffs_ReadCheckpointSum(dev);
- T(YAFFS_TRACE_CHECKPOINT, (TSTR("read checkpoint checksum %d" TENDSTR), ok));
-- }
++ if (!prioritisedExists) /* None found, so we can clear this */
++ dev->has_pending_prioritised_gc = 0;
+ }
- if (!yaffs_CheckpointClose(dev))
- ok = 0;
-
+-
- if (ok)
- dev->isCheckpointed = 1;
- else
- dev->isCheckpointed = 0;
-+ if (bi->blockState == YAFFS_BLOCK_STATE_COLLECTING) {
-+ /*
-+ * The gc did not complete. Set block state back to FULL
-+ * because checkpointing does not restore gc.
-+ */
-+ bi->blockState = YAFFS_BLOCK_STATE_FULL;
-+ } else {
-+ /* The gc completed. */
-+ /* Do any required cleanups */
-+ for (i = 0; i < dev->nCleanups; i++) {
-+ /* Time to delete the file too */
-+ object =
-+ yaffs_FindObjectByNumber(dev,
-+ dev->gcCleanupList[i]);
-+ if (object) {
-+ yaffs_FreeTnode(dev,
-+ object->variant.fileVariant.
-+ top);
-+ object->variant.fileVariant.top = NULL;
-+ T(YAFFS_TRACE_GC,
-+ (TSTR
-+ ("yaffs: About to finally delete object %d"
-+ TENDSTR), object->objectId));
-+ yaffs_DoGenericObjectDeletion(object);
-+ object->myDev->nDeletedFiles--;
-+ }
-
+-
- return ok ? 1 : 0;
-+ }
++ /* If we're doing aggressive GC then we are happy to take a less-dirty block, and
++ * search harder.
++ * else (we're doing a leasurely gc), then we only bother to do this if the
++ * block has only a few pages in use.
++ */
-}
++ if (!selected){
++ int pagesUsed;
++ int nBlocks = dev->internal_end_block - dev->internal_start_block + 1;
++ if (aggressive){
++ threshold = dev->param.chunks_per_block;
++ iterations = nBlocks;
++ } else {
++ int maxThreshold;
-static void yaffs_InvalidateCheckpoint(yaffs_Device *dev)
-{
@@ -9862,115 +10532,126 @@
- yaffs_CheckpointInvalidateStream(dev);
- if (dev->superBlock && dev->markSuperBlockDirty)
- dev->markSuperBlockDirty(dev->superBlock);
-+ chunksAfter = yaffs_GetErasedChunks(dev);
-+ if (chunksBefore >= chunksAfter) {
-+ T(YAFFS_TRACE_GC,
-+ (TSTR
-+ ("gc did not increase free chunks before %d after %d"
-+ TENDSTR), chunksBefore, chunksAfter));
-+ }
-+ dev->gcBlock = 0;
-+ dev->gcChunk = 0;
-+ dev->nCleanups = 0;
- }
+- }
-}
++ if(background)
++ maxThreshold = dev->param.chunks_per_block/2;
++ else
++ maxThreshold = dev->param.chunks_per_block/8;
-+ dev->gcDisable = 0;
++ if(maxThreshold < YAFFS_GC_PASSIVE_THRESHOLD)
++ maxThreshold = YAFFS_GC_PASSIVE_THRESHOLD;
-int yaffs_CheckpointSave(yaffs_Device *dev)
-{
--
++ threshold = background ?
++ (dev->gc_not_done + 2) * 2 : 0;
++ if(threshold <YAFFS_GC_PASSIVE_THRESHOLD)
++ threshold = YAFFS_GC_PASSIVE_THRESHOLD;
++ if(threshold > maxThreshold)
++ threshold = maxThreshold;
+
- T(YAFFS_TRACE_CHECKPOINT, (TSTR("save entry: isCheckpointed %d"TENDSTR), dev->isCheckpointed));
-+ return retVal;
-+}
++ iterations = nBlocks / 16 + 1;
++ if (iterations > 100)
++ iterations = 100;
++ }
- yaffs_VerifyObjects(dev);
- yaffs_VerifyBlocks(dev);
- yaffs_VerifyFreeChunks(dev);
-+/*
-+ * FindBlockForgarbageCollection is used to select the dirtiest block (or close enough)
-+ * for garbage collection.
-+ */
++ for (i = 0;
++ i < iterations &&
++ (dev->gc_dirtiest < 1 ||
++ dev->gc_pages_in_use > YAFFS_GC_GOOD_ENOUGH);
++ i++) {
++ dev->gc_block_finder++;
++ if (dev->gc_block_finder < dev->internal_start_block ||
++ dev->gc_block_finder > dev->internal_end_block)
++ dev->gc_block_finder = dev->internal_start_block;
- if (!dev->isCheckpointed) {
- yaffs_InvalidateCheckpoint(dev);
- yaffs_WriteCheckpointData(dev);
- }
-+static unsigned yaffs_FindBlockForGarbageCollection(yaffs_Device *dev,
-+ int aggressive,
-+ int background)
-+{
-+ int i;
-+ int iterations;
-+ unsigned selected = 0;
-+ int prioritised = 0;
-+ int prioritisedExists = 0;
-+ yaffs_BlockInfo *bi;
-+ int threshold;
++ bi = yaffs_get_block_info(dev, dev->gc_block_finder);
- T(YAFFS_TRACE_ALWAYS, (TSTR("save exit: isCheckpointed %d"TENDSTR), dev->isCheckpointed));
-+ /* First let's see if we need to grab a prioritised block */
-+ if (dev->hasPendingPrioritisedGCs && !aggressive) {
-+ dev->gcDirtiest = 0;
-+ bi = dev->blockInfo;
-+ for (i = dev->internalStartBlock;
-+ i <= dev->internalEndBlock && !selected;
-+ i++) {
++ pagesUsed = bi->pages_in_use - bi->soft_del_pages;
- return dev->isCheckpointed;
-}
-+ if (bi->gcPrioritise) {
-+ prioritisedExists = 1;
-+ if (bi->blockState == YAFFS_BLOCK_STATE_FULL &&
-+ yaffs2_BlockNotDisqualifiedFromGC(dev, bi)) {
-+ selected = i;
-+ prioritised = 1;
-+ }
++ if (bi->block_state == YAFFS_BLOCK_STATE_FULL &&
++ pagesUsed < dev->param.chunks_per_block &&
++ (dev->gc_dirtiest < 1 || pagesUsed < dev->gc_pages_in_use) &&
++ yaffs_block_ok_for_gc(dev, bi)) {
++ dev->gc_dirtiest = dev->gc_block_finder;
++ dev->gc_pages_in_use = pagesUsed;
+ }
-+ bi++;
+ }
-int yaffs_CheckpointRestore(yaffs_Device *dev)
-{
- int retval;
- T(YAFFS_TRACE_CHECKPOINT, (TSTR("restore entry: isCheckpointed %d"TENDSTR), dev->isCheckpointed));
-+ /*
-+ * If there is a prioritised block and none was selected then
-+ * this happened because there is at least one old dirty block gumming
-+ * up the works. Let's gc the oldest dirty block.
-+ */
++ if(dev->gc_dirtiest > 0 && dev->gc_pages_in_use <= threshold)
++ selected = dev->gc_dirtiest;
++ }
- retval = yaffs_ReadCheckpointData(dev);
-+ if(prioritisedExists &&
-+ !selected &&
-+ dev->oldestDirtyBlock > 0)
-+ selected = dev->oldestDirtyBlock;
++ /*
++ * If nothing has been selected for a while, try selecting the oldest dirty
++ * because that's gumming up the works.
++ */
- if (dev->isCheckpointed) {
- yaffs_VerifyObjects(dev);
- yaffs_VerifyBlocks(dev);
- yaffs_VerifyFreeChunks(dev);
-+ if (!prioritisedExists) /* None found, so we can clear this */
-+ dev->hasPendingPrioritisedGCs = 0;
++ if(!selected && dev->param.is_yaffs2 &&
++ dev->gc_not_done >= ( background ? 10 : 20)){
++ yaffs2_find_oldest_dirty_seq(dev);
++ if(dev->oldest_dirty_block > 0) {
++ selected = dev->oldest_dirty_block;
++ dev->gc_dirtiest = selected;
++ dev->oldest_dirty_gc_count++;
++ bi = yaffs_get_block_info(dev, selected);
++ dev->gc_pages_in_use = bi->pages_in_use - bi->soft_del_pages;
++ } else
++ dev->gc_not_done = 0;
}
- T(YAFFS_TRACE_CHECKPOINT, (TSTR("restore exit: isCheckpointed %d"TENDSTR), dev->isCheckpointed));
-+ /* If we're doing aggressive GC then we are happy to take a less-dirty block, and
-+ * search harder.
-+ * else (we're doing a leasurely gc), then we only bother to do this if the
-+ * block has only a few pages in use.
-+ */
++ if(selected){
++ T(YAFFS_TRACE_GC,
++ (TSTR("GC Selected block %d with %d free, prioritised:%d" TENDSTR),
++ selected,
++ dev->param.chunks_per_block - dev->gc_pages_in_use,
++ prioritised));
++
++ dev->n_gc_blocks++;
++ if(background)
++ dev->bg_gcs++;
++
++ dev->gc_dirtiest = 0;
++ dev->gc_pages_in_use = 0;
++ dev->gc_not_done = 0;
++ if(dev->refresh_skip > 0)
++ dev->refresh_skip--;
++ } else{
++ dev->gc_not_done++;
++ T(YAFFS_TRACE_GC,
++ (TSTR("GC none: finder %d skip %d threshold %d dirtiest %d using %d oldest %d%s" TENDSTR),
++ dev->gc_block_finder, dev->gc_not_done,
++ threshold,
++ dev->gc_dirtiest, dev->gc_pages_in_use,
++ dev->oldest_dirty_block,
++ background ? " bg" : ""));
++ }
- return retval;
--}
-+ if (!selected){
-+ int pagesUsed;
-+ int nBlocks = dev->internalEndBlock - dev->internalStartBlock + 1;
-+ if (aggressive){
-+ threshold = dev->param.nChunksPerBlock;
-+ iterations = nBlocks;
-+ } else {
-+ int maxThreshold;
++ return selected;
+ }
-/*--------------------- File read/write ------------------------
- * Read and write have very similar structures.
@@ -9978,19 +10659,27 @@
- * An incomplete chunk to start with (if the read/write is not chunk-aligned)
- * Some complete chunks
- * An incomplete chunk to end off with
-- *
++/* New garbage collector
++ * If we're very low on erased blocks then we do aggressive garbage collection
++ * otherwise we do "leasurely" garbage collection.
++ * Aggressive gc looks further (whole array) and will accept less dirty blocks.
++ * Passive gc only inspects smaller areas and will only accept more dirty blocks.
+ *
- * Curve-balls: the first chunk might also be the last chunk.
-- */
-+ if(background)
-+ maxThreshold = dev->param.nChunksPerBlock/2;
-+ else
-+ maxThreshold = dev->param.nChunksPerBlock/8;
-
++ * The idea is to help clear out space in a more spread-out manner.
++ * Dunno if it really does anything useful.
+ */
+-
-int yaffs_ReadDataFromFile(yaffs_Object *in, __u8 *buffer, loff_t offset,
- int nBytes)
--{
-+ if(maxThreshold < YAFFS_GC_PASSIVE_THRESHOLD)
-+ maxThreshold = YAFFS_GC_PASSIVE_THRESHOLD;
++static int yaffs_check_gc(yaffs_dev_t *dev, int background)
+ {
++ int aggressive = 0;
++ int gcOk = YAFFS_OK;
++ int maxTries = 0;
++ int minErased;
++ int erasedChunks;
++ int checkpointBlockAdjust;
- int chunk;
- __u32 start;
@@ -9998,37 +10687,17 @@
- int n = nBytes;
- int nDone = 0;
- yaffs_ChunkCache *cache;
-+ threshold = background ?
-+ (dev->gcNotDone + 2) * 2 : 0;
-+ if(threshold <YAFFS_GC_PASSIVE_THRESHOLD)
-+ threshold = YAFFS_GC_PASSIVE_THRESHOLD;
-+ if(threshold > maxThreshold)
-+ threshold = maxThreshold;
-
+-
- yaffs_Device *dev;
-+ iterations = nBlocks / 16 + 1;
-+ if (iterations > 100)
-+ iterations = 100;
-+ }
-
+-
- dev = in->myDev;
-+ for (i = 0;
-+ i < iterations &&
-+ (dev->gcDirtiest < 1 ||
-+ dev->gcPagesInUse > YAFFS_GC_GOOD_ENOUGH);
-+ i++) {
-+ dev->gcBlockFinder++;
-+ if (dev->gcBlockFinder < dev->internalStartBlock ||
-+ dev->gcBlockFinder > dev->internalEndBlock)
-+ dev->gcBlockFinder = dev->internalStartBlock;
-
+-
- while (n > 0) {
- /* chunk = offset / dev->nDataBytesPerChunk + 1; */
- /* start = offset % dev->nDataBytesPerChunk; */
- yaffs_AddrToChunk(dev, offset, &chunk, &start);
- chunk++;
-+ bi = yaffs_GetBlockInfo(dev, dev->gcBlockFinder);
-
+-
- /* OK now check for the curveball where the start and end are in
- * the same chunk.
- */
@@ -10036,46 +10705,20 @@
- nToCopy = n;
- else
- nToCopy = dev->nDataBytesPerChunk - start;
-+ pagesUsed = bi->pagesInUse - bi->softDeletions;
-
+-
- cache = yaffs_FindChunkCache(in, chunk);
-+ if (bi->blockState == YAFFS_BLOCK_STATE_FULL &&
-+ pagesUsed < dev->param.nChunksPerBlock &&
-+ (dev->gcDirtiest < 1 || pagesUsed < dev->gcPagesInUse) &&
-+ yaffs2_BlockNotDisqualifiedFromGC(dev, bi)) {
-+ dev->gcDirtiest = dev->gcBlockFinder;
-+ dev->gcPagesInUse = pagesUsed;
-+ }
-+ }
-
+-
- /* If the chunk is already in the cache or it is less than a whole chunk
- * or we're using inband tags then use the cache (if there is caching)
- * else bypass the cache.
- */
- if (cache || nToCopy != dev->nDataBytesPerChunk || dev->inbandTags) {
- if (dev->nShortOpCaches > 0) {
-+ if(dev->gcDirtiest > 0 && dev->gcPagesInUse <= threshold)
-+ selected = dev->gcDirtiest;
-+ }
-+
-+ /*
-+ * If nothing has been selected for a while, try selecting the oldest dirty
-+ * because that's gumming up the works.
-+ */
-
+-
- /* If we can't find the data in the cache, then load it up. */
-+ if(!selected && dev->param.isYaffs2 &&
-+ dev->gcNotDone >= ( background ? 10 : 20)){
-+ yaffs2_FindOldestDirtySequence(dev);
-+ if(dev->oldestDirtyBlock > 0) {
-+ selected = dev->oldestDirtyBlock;
-+ dev->gcDirtiest = selected;
-+ dev->oldestDirtyGCs++;
-+ bi = yaffs_GetBlockInfo(dev, selected);
-+ dev->gcPagesInUse = bi->pagesInUse - bi->softDeletions;
-+ } else
-+ dev->gcNotDone = 0;
-+ }
++ if(dev->param.gc_control &&
++ (dev->param.gc_control(dev) & 1) == 0)
++ return YAFFS_OK;
- if (!cache) {
- cache = yaffs_GrabChunkCache(in->myDev);
@@ -10088,167 +10731,117 @@
- data);
- cache->nBytes = 0;
- }
-+ if(selected){
-+ T(YAFFS_TRACE_GC,
-+ (TSTR("GC Selected block %d with %d free, prioritised:%d" TENDSTR),
-+ selected,
-+ dev->param.nChunksPerBlock - dev->gcPagesInUse,
-+ prioritised));
-+
-+ dev->nGCBlocks++;
-+ if(background)
-+ dev->backgroundGCs++;
-+
-+ dev->gcDirtiest = 0;
-+ dev->gcPagesInUse = 0;
-+ dev->gcNotDone = 0;
-+ if(dev->refreshSkip > 0)
-+ dev->refreshSkip--;
-+ } else{
-+ dev->gcNotDone++;
-+ T(YAFFS_TRACE_GC,
-+ (TSTR("GC none: finder %d skip %d threshold %d dirtiest %d using %d oldest %d%s" TENDSTR),
-+ dev->gcBlockFinder, dev->gcNotDone,
-+ threshold,
-+ dev->gcDirtiest, dev->gcPagesInUse,
-+ dev->oldestDirtyBlock,
-+ background ? " bg" : ""));
-+ }
-
-- yaffs_UseChunkCache(dev, cache, 0);
-+ return selected;
-+}
-
-- cache->locked = 1;
-+/* New garbage collector
-+ * If we're very low on erased blocks then we do aggressive garbage collection
-+ * otherwise we do "leasurely" garbage collection.
-+ * Aggressive gc looks further (whole array) and will accept less dirty blocks.
-+ * Passive gc only inspects smaller areas and will only accept more dirty blocks.
-+ *
-+ * The idea is to help clear out space in a more spread-out manner.
-+ * Dunno if it really does anything useful.
-+ */
-+static int yaffs_CheckGarbageCollection(yaffs_Device *dev, int background)
-+{
-+ int aggressive = 0;
-+ int gcOk = YAFFS_OK;
-+ int maxTries = 0;
-+ int minErased;
-+ int erasedChunks;
-+ int checkpointBlockAdjust;
-
-+ if(dev->param.gcControl &&
-+ (dev->param.gcControl(dev) & 1) == 0)
-+ return YAFFS_OK;
-
-- memcpy(buffer, &cache->data[start], nToCopy);
-+ if (dev->gcDisable) {
++ if (dev->gc_disable) {
+ /* Bail out so we don't get recursive gc */
+ return YAFFS_OK;
+ }
-- cache->locked = 0;
-- } else {
-- /* Read into the local buffer then copy..*/
+- yaffs_UseChunkCache(dev, cache, 0);
+ /* This loop should pass the first time.
+ * We'll only see looping here if the collection does not increase space.
+ */
+- cache->locked = 1;
++ do {
++ maxTries++;
+
++ checkpointBlockAdjust = yaffs_calc_checkpt_blocks_required(dev);
+
+- memcpy(buffer, &cache->data[start], nToCopy);
++ minErased = dev->param.n_reserved_blocks + checkpointBlockAdjust + 1;
++ erasedChunks = dev->n_erased_blocks * dev->param.chunks_per_block;
+
+- cache->locked = 0;
+- } else {
+- /* Read into the local buffer then copy..*/
++ /* If we need a block soon then do aggressive gc.*/
++ if (dev->n_erased_blocks < minErased)
++ aggressive = 1;
++ else {
++ if(!background && erasedChunks > (dev->n_free_chunks / 4))
++ break;
+
- __u8 *localBuffer =
- yaffs_GetTempBuffer(dev, __LINE__);
- yaffs_ReadChunkDataFromObject(in, chunk,
- localBuffer);
-+ do {
-+ maxTries++;
-
-- memcpy(buffer, &localBuffer[start], nToCopy);
-+ checkpointBlockAdjust = yaffs2_CalcCheckpointBlocksRequired(dev);
-
-+ minErased = dev->param.nReservedBlocks + checkpointBlockAdjust + 1;
-+ erasedChunks = dev->nErasedBlocks * dev->param.nChunksPerBlock;
-
-- yaffs_ReleaseTempBuffer(dev, localBuffer,
-- __LINE__);
-+ /* If we need a block soon then do aggressive gc.*/
-+ if (dev->nErasedBlocks < minErased)
-+ aggressive = 1;
-+ else {
-+ if(!background && erasedChunks > (dev->nFreeChunks / 4))
-+ break;
-+
-+ if(dev->gcSkip > 20)
-+ dev->gcSkip = 20;
-+ if(erasedChunks < dev->nFreeChunks/2 ||
-+ dev->gcSkip < 1 ||
++ if(dev->gc_skip > 20)
++ dev->gc_skip = 20;
++ if(erasedChunks < dev->n_free_chunks/2 ||
++ dev->gc_skip < 1 ||
+ background)
+ aggressive = 0;
+ else {
-+ dev->gcSkip--;
++ dev->gc_skip--;
+ break;
- }
++ }
++ }
+
+- memcpy(buffer, &localBuffer[start], nToCopy);
++ dev->gc_skip = 5;
+
++ /* If we don't already have a block being gc'd then see if we should start another */
+
+- yaffs_ReleaseTempBuffer(dev, localBuffer,
+- __LINE__);
+- }
++ if (dev->gc_block < 1 && !aggressive) {
++ dev->gc_block = yaffs2_find_refresh_block(dev);
++ dev->gc_chunk = 0;
++ dev->n_clean_ups=0;
++ }
++ if (dev->gc_block < 1) {
++ dev->gc_block = yaffs_find_gc_block(dev, aggressive, background);
++ dev->gc_chunk = 0;
++ dev->n_clean_ups=0;
+ }
- } else {
-+ dev->gcSkip = 5;
++ if (dev->gc_block > 0) {
++ dev->all_gcs++;
++ if (!aggressive)
++ dev->passive_gc_count++;
- /* A full chunk. Read directly into the supplied buffer. */
- yaffs_ReadChunkDataFromObject(in, chunk, buffer);
-+ /* If we don't already have a block being gc'd then see if we should start another */
++ T(YAFFS_TRACE_GC,
++ (TSTR
++ ("yaffs: GC erasedBlocks %d aggressive %d" TENDSTR),
++ dev->n_erased_blocks, aggressive));
-+ if (dev->gcBlock < 1 && !aggressive) {
-+ dev->gcBlock = yaffs2_FindRefreshBlock(dev);
-+ dev->gcChunk = 0;
-+ dev->nCleanups=0;
-+ }
-+ if (dev->gcBlock < 1) {
-+ dev->gcBlock = yaffs_FindBlockForGarbageCollection(dev, aggressive, background);
-+ dev->gcChunk = 0;
-+ dev->nCleanups=0;
++ gcOk = yaffs_gc_block(dev, dev->gc_block, aggressive);
}
- n -= nToCopy;
- offset += nToCopy;
- buffer += nToCopy;
- nDone += nToCopy;
-+ if (dev->gcBlock > 0) {
-+ dev->allGCs++;
-+ if (!aggressive)
-+ dev->passiveGCs++;
-
+-
- }
-+ T(YAFFS_TRACE_GC,
-+ (TSTR
-+ ("yaffs: GC erasedBlocks %d aggressive %d" TENDSTR),
-+ dev->nErasedBlocks, aggressive));
-
-- return nDone;
-+ gcOk = yaffs_GarbageCollectBlock(dev, dev->gcBlock, aggressive);
-+ }
-+
-+ if (dev->nErasedBlocks < (dev->param.nReservedBlocks) && dev->gcBlock > 0) {
++ if (dev->n_erased_blocks < (dev->param.n_reserved_blocks) && dev->gc_block > 0) {
+ T(YAFFS_TRACE_GC,
+ (TSTR
+ ("yaffs: GC !!!no reclaim!!! erasedBlocks %d after try %d block %d"
-+ TENDSTR), dev->nErasedBlocks, maxTries, dev->gcBlock));
++ TENDSTR), dev->n_erased_blocks, maxTries, dev->gc_block));
+ }
-+ } while ((dev->nErasedBlocks < dev->param.nReservedBlocks) &&
-+ (dev->gcBlock > 0) &&
++ } while ((dev->n_erased_blocks < dev->param.n_reserved_blocks) &&
++ (dev->gc_block > 0) &&
+ (maxTries < 2));
-+
+
+- return nDone;
+ return aggressive ? gcOk : YAFFS_OK;
}
-int yaffs_WriteDataToFile(yaffs_Object *in, const __u8 *buffer, loff_t offset,
- int nBytes, int writeThrough)
+/*
-+ * yaffs_BackgroundGarbageCollect()
++ * yaffs_bg_gc()
+ * Garbage collects. Intended to be called from a background thread.
+ * Returns non-zero if at least half the free chunks are erased.
+ */
-+int yaffs_BackgroundGarbageCollect(yaffs_Device *dev, unsigned urgency)
++int yaffs_bg_gc(yaffs_dev_t *dev, unsigned urgency)
{
-+ int erasedChunks = dev->nErasedBlocks * dev->param.nChunksPerBlock;
++ int erasedChunks = dev->n_erased_blocks * dev->param.chunks_per_block;
- int chunk;
- __u32 start;
@@ -10263,8 +10856,8 @@
+ T(YAFFS_TRACE_BACKGROUND, (TSTR("Background gc %u" TENDSTR),urgency));
- yaffs_Device *dev;
-+ yaffs_CheckGarbageCollection(dev, 1);
-+ return erasedChunks > dev->nFreeChunks/2;
++ yaffs_check_gc(dev, 1);
++ return erasedChunks > dev->n_free_chunks/2;
+}
- dev = in->myDev;
@@ -10274,11 +10867,11 @@
- /* chunk = offset / dev->nDataBytesPerChunk + 1; */
- /* start = offset % dev->nDataBytesPerChunk; */
- yaffs_AddrToChunk(dev, offset, &chunk, &start);
-+static int yaffs_TagsMatch(const yaffs_ExtendedTags *tags, int objectId,
++static int yaffs_tags_match(const yaffs_ext_tags *tags, int obj_id,
+ int chunkInObject)
+{
-+ return (tags->chunkId == chunkInObject &&
-+ tags->objectId == objectId && !tags->chunkDeleted) ? 1 : 0;
++ return (tags->chunk_id == chunkInObject &&
++ tags->obj_id == obj_id && !tags->is_deleted) ? 1 : 0;
- if (chunk * dev->nDataBytesPerChunk + start != offset ||
- start >= dev->nDataBytesPerChunk) {
@@ -10302,17 +10895,17 @@
- * If we're overwriting and not writing to then end of file then
- * we need to write back as much as was there before.
- */
-+static int yaffs_FindChunkInFile(yaffs_Object *in, int chunkInInode,
-+ yaffs_ExtendedTags *tags)
++static int yaffs_find_chunk_in_file(yaffs_obj_t *in, int inode_chunk,
++ yaffs_ext_tags *tags)
+{
+ /*Get the Tnode, then get the level 0 offset chunk offset */
-+ yaffs_Tnode *tn;
++ yaffs_tnode_t *tn;
+ int theChunk = -1;
-+ yaffs_ExtendedTags localTags;
++ yaffs_ext_tags localTags;
+ int retVal = -1;
- chunkStart = ((chunk - 1) * dev->nDataBytesPerChunk);
-+ yaffs_Device *dev = in->myDev;
++ yaffs_dev_t *dev = in->my_dev;
- if (chunkStart > in->variant.fileVariant.fileSize)
- nBytesRead = 0; /* Past end of file */
@@ -10325,19 +10918,19 @@
- if (nBytesRead > dev->nDataBytesPerChunk)
- nBytesRead = dev->nDataBytesPerChunk;
-+ tn = yaffs_FindLevel0Tnode(dev, &in->variant.fileVariant, chunkInInode);
++ tn = yaffs_find_tnode_0(dev, &in->variant.file_variant, inode_chunk);
- nToWriteBack =
- (nBytesRead >
- (start + n)) ? nBytesRead : (start + n);
+ if (tn) {
-+ theChunk = yaffs_GetChunkGroupBase(dev, tn, chunkInInode);
++ theChunk = yaffs_get_group_base(dev, tn, inode_chunk);
- if (nToWriteBack < 0 || nToWriteBack > dev->nDataBytesPerChunk)
- YBUG();
+ retVal =
-+ yaffs_FindChunkInGroup(dev, theChunk, tags, in->objectId,
-+ chunkInInode);
++ yaffs_find_chunk_in_group(dev, theChunk, tags, in->obj_id,
++ inode_chunk);
+ }
+ return retVal;
+}
@@ -10346,13 +10939,13 @@
- nToCopy = dev->nDataBytesPerChunk - start;
- nToWriteBack = dev->nDataBytesPerChunk;
- }
-+static int yaffs_FindAndDeleteChunkInFile(yaffs_Object *in, int chunkInInode,
-+ yaffs_ExtendedTags *tags)
++static int yaffs_find_del_file_chunk(yaffs_obj_t *in, int inode_chunk,
++ yaffs_ext_tags *tags)
+{
+ /* Get the Tnode, then get the level 0 offset chunk offset */
-+ yaffs_Tnode *tn;
++ yaffs_tnode_t *tn;
+ int theChunk = -1;
-+ yaffs_ExtendedTags localTags;
++ yaffs_ext_tags localTags;
- if (nToCopy != dev->nDataBytesPerChunk || dev->inbandTags) {
- /* An incomplete start or end chunk (or maybe both start and end chunk),
@@ -10362,7 +10955,7 @@
- yaffs_ChunkCache *cache;
- /* If we can't find the data in the cache, then load the cache */
- cache = yaffs_FindChunkCache(in, chunk);
-+ yaffs_Device *dev = in->myDev;
++ yaffs_dev_t *dev = in->my_dev;
+ int retVal = -1;
- if (!cache
@@ -10392,23 +10985,23 @@
- if (cache) {
- yaffs_UseChunkCache(dev, cache, 1);
- cache->locked = 1;
-+ tn = yaffs_FindLevel0Tnode(dev, &in->variant.fileVariant, chunkInInode);
++ tn = yaffs_find_tnode_0(dev, &in->variant.file_variant, inode_chunk);
+ if (tn) {
- memcpy(&cache->data[start], buffer,
- nToCopy);
-+ theChunk = yaffs_GetChunkGroupBase(dev, tn, chunkInInode);
++ theChunk = yaffs_get_group_base(dev, tn, inode_chunk);
+ retVal =
-+ yaffs_FindChunkInGroup(dev, theChunk, tags, in->objectId,
-+ chunkInInode);
++ yaffs_find_chunk_in_group(dev, theChunk, tags, in->obj_id,
++ inode_chunk);
- cache->locked = 0;
- cache->nBytes = nToWriteBack;
+ /* Delete the entry in the filestructure (if found) */
+ if (retVal != -1)
-+ yaffs_LoadLevel0Tnode(dev, tn, chunkInInode, 0);
++ yaffs_load_tnode_0(dev, tn, inode_chunk, 0);
+ }
- if (writeThrough) {
@@ -10433,28 +11026,30 @@
- __u8 *localBuffer =
- yaffs_GetTempBuffer(dev, __LINE__);
-+int yaffs_PutChunkIntoFile(yaffs_Object *in, int chunkInInode,
-+ int chunkInNAND, int inScan)
++int yaffs_put_chunk_in_file(yaffs_obj_t *in, int inode_chunk,
++ int nand_chunk, int in_scan)
+{
-+ /* NB inScan is zero unless scanning.
-+ * For forward scanning, inScan is > 0;
-+ * for backward scanning inScan is < 0
++ /* NB in_scan is zero unless scanning.
++ * For forward scanning, in_scan is > 0;
++ * for backward scanning in_scan is < 0
+ *
-+ * chunkInNAND = 0 is a dummy insert to make sure the tnodes are there.
++ * nand_chunk = 0 is a dummy insert to make sure the tnodes are there.
+ */
-+
-+ yaffs_Tnode *tn;
-+ yaffs_Device *dev = in->myDev;
+
+- yaffs_ReadChunkDataFromObject(in, chunk,
+- localBuffer);
++ yaffs_tnode_t *tn;
++ yaffs_dev_t *dev = in->my_dev;
+ int existingChunk;
-+ yaffs_ExtendedTags existingTags;
-+ yaffs_ExtendedTags newTags;
++ yaffs_ext_tags existingTags;
++ yaffs_ext_tags newTags;
+ unsigned existingSerial, newSerial;
-+
-+ if (in->variantType != YAFFS_OBJECT_TYPE_FILE) {
+
++ if (in->variant_type != YAFFS_OBJECT_TYPE_FILE) {
+ /* Just ignore an attempt at putting a chunk into a non-file during scanning
+ * If it is not during Scanning then something went wrong!
+ */
-+ if (!inScan) {
++ if (!in_scan) {
+ T(YAFFS_TRACE_ERROR,
+ (TSTR
+ ("yaffs tragedy:attempt to put data chunk into a non-file"
@@ -10462,27 +11057,32 @@
+ YBUG();
+ }
-- yaffs_ReadChunkDataFromObject(in, chunk,
-- localBuffer);
-+ yaffs_DeleteChunk(dev, chunkInNAND, 1, __LINE__);
++ yaffs_chunk_del(dev, nand_chunk, 1, __LINE__);
+ return YAFFS_OK;
+ }
-+ tn = yaffs_AddOrFindLevel0Tnode(dev,
-+ &in->variant.fileVariant,
-+ chunkInInode,
+- memcpy(&localBuffer[start], buffer, nToCopy);
++ tn = yaffs_add_find_tnode_0(dev,
++ &in->variant.file_variant,
++ inode_chunk,
+ NULL);
+ if (!tn)
+ return YAFFS_FAIL;
+
-+ if(!chunkInNAND)
++ if(!nand_chunk)
+ /* Dummy insert, bail now */
+ return YAFFS_OK;
-+ existingChunk = yaffs_GetChunkGroupBase(dev, tn, chunkInInode);
+- chunkWritten =
+- yaffs_WriteChunkDataToObject(in, chunk,
+- localBuffer,
+- nToWriteBack,
+- 0);
++ existingChunk = yaffs_get_group_base(dev, tn, inode_chunk);
-- memcpy(&localBuffer[start], buffer, nToCopy);
-+ if (inScan != 0) {
+- yaffs_ReleaseTempBuffer(dev, localBuffer,
+- __LINE__);
++ if (in_scan != 0) {
+ /* If we're scanning then we need to test for duplicates
+ * NB This does not need to be efficient since it should only ever
+ * happen when the power fails during a write, then only one
@@ -10491,14 +11091,9 @@
+ * Correction for YAFFS2: This could happen quite a lot and we need to think about efficiency! TODO
+ * Update: For backward scanning we don't need to re-read tags so this is quite cheap.
+ */
-
-- chunkWritten =
-- yaffs_WriteChunkDataToObject(in, chunk,
-- localBuffer,
-- nToWriteBack,
-- 0);
++
+ if (existingChunk > 0) {
-+ /* NB Right now existing chunk will not be real chunkId if the chunk group size > 1
++ /* NB Right now existing chunk will not be real chunk_id if the chunk group size > 1
+ * thus we have to do a FindChunkInFile to get the real chunk id.
+ *
+ * We have a duplicate now we need to decide which one to use:
@@ -10507,18 +11102,16 @@
+ * Forward scanning YAFFS2: The new one is what we use, dump the old one.
+ * YAFFS1: Get both sets of tags and compare serial numbers.
+ */
-
-- yaffs_ReleaseTempBuffer(dev, localBuffer,
-- __LINE__);
-+ if (inScan > 0) {
++
++ if (in_scan > 0) {
+ /* Only do this for forward scanning */
-+ yaffs_ReadChunkWithTagsFromNAND(dev,
-+ chunkInNAND,
++ yaffs_rd_chunk_tags_nand(dev,
++ nand_chunk,
+ NULL, &newTags);
+ /* Do a proper find */
+ existingChunk =
-+ yaffs_FindChunkInFile(in, chunkInInode,
++ yaffs_find_chunk_in_file(in, inode_chunk,
+ &existingTags);
}
@@ -10545,9 +11138,9 @@
- /* Since we've overwritten the cached data, we better invalidate it. */
- yaffs_InvalidateChunkCache(in, chunk);
- }
-+ if (inScan > 0) {
-+ newSerial = newTags.serialNumber;
-+ existingSerial = existingTags.serialNumber;
++ if (in_scan > 0) {
++ newSerial = newTags.serial_number;
++ existingSerial = existingTags.serial_number;
+ }
- if (chunkWritten >= 0) {
@@ -10555,21 +11148,21 @@
- offset += nToCopy;
- buffer += nToCopy;
- nDone += nToCopy;
-+ if ((inScan > 0) &&
++ if ((in_scan > 0) &&
+ (existingChunk <= 0 ||
+ ((existingSerial + 1) & 3) == newSerial)) {
+ /* Forward scanning.
+ * Use new
+ * Delete the old one and drop through to update the tnode
+ */
-+ yaffs_DeleteChunk(dev, existingChunk, 1,
++ yaffs_chunk_del(dev, existingChunk, 1,
+ __LINE__);
+ } else {
+ /* Backward scanning or we want to use the existing one
+ * Use existing.
+ * Delete the new one and return early so that the tnode isn't changed
+ */
-+ yaffs_DeleteChunk(dev, chunkInNAND, 1,
++ yaffs_chunk_del(dev, nand_chunk, 1,
+ __LINE__);
+ return YAFFS_OK;
+ }
@@ -10582,66 +11175,98 @@
- if ((startOfWrite + nDone) > in->variant.fileVariant.fileSize)
- in->variant.fileVariant.fileSize = (startOfWrite + nDone);
+ if (existingChunk == 0)
-+ in->nDataChunks++;
++ in->n_data_chunks++;
- in->dirty = 1;
-+ yaffs_LoadLevel0Tnode(dev, tn, chunkInInode, chunkInNAND);
++ yaffs_load_tnode_0(dev, tn, inode_chunk, nand_chunk);
- return nDone;
+ return YAFFS_OK;
}
-+static int yaffs_ReadChunkDataFromObject(yaffs_Object *in, int chunkInInode,
++static int yaffs_rd_data_obj(yaffs_obj_t *in, int inode_chunk,
+ __u8 *buffer)
+{
-+ int chunkInNAND = yaffs_FindChunkInFile(in, chunkInInode, NULL);
++ int nand_chunk = yaffs_find_chunk_in_file(in, inode_chunk, NULL);
-/* ---------------------- File resizing stuff ------------------ */
-+ if (chunkInNAND >= 0)
-+ return yaffs_ReadChunkWithTagsFromNAND(in->myDev, chunkInNAND,
++ if (nand_chunk >= 0)
++ return yaffs_rd_chunk_tags_nand(in->my_dev, nand_chunk,
+ buffer, NULL);
+ else {
+ T(YAFFS_TRACE_NANDACCESS,
+ (TSTR("Chunk %d not found zero instead" TENDSTR),
-+ chunkInNAND));
++ nand_chunk));
+ /* get sane (zero) data if you read a hole */
-+ memset(buffer, 0, in->myDev->nDataBytesPerChunk);
++ memset(buffer, 0, in->my_dev->data_bytes_per_chunk);
+ return 0;
+ }
++
++}
-static void yaffs_PruneResizedChunks(yaffs_Object *in, int newSize)
--{
-+}
++void yaffs_chunk_del(yaffs_dev_t *dev, int chunk_id, int mark_flash, int lyn)
+ {
++ int block;
++ int page;
++ yaffs_ext_tags tags;
++ yaffs_block_info_t *bi;
- yaffs_Device *dev = in->myDev;
- int oldFileSize = in->variant.fileVariant.fileSize;
-+void yaffs_DeleteChunk(yaffs_Device *dev, int chunkId, int markNAND, int lyn)
-+{
-+ int block;
-+ int page;
-+ yaffs_ExtendedTags tags;
-+ yaffs_BlockInfo *bi;
++ if (chunk_id <= 0)
++ return;
- int lastDel = 1 + (oldFileSize - 1) / dev->nDataBytesPerChunk;
-+ if (chunkId <= 0)
-+ return;
++ dev->n_deletions++;
++ block = chunk_id / dev->param.chunks_per_block;
++ page = chunk_id % dev->param.chunks_per_block;
- int startDel = 1 + (newSize + dev->nDataBytesPerChunk - 1) /
- dev->nDataBytesPerChunk;
- int i;
- int chunkId;
-+ dev->nDeletions++;
-+ block = chunkId / dev->param.nChunksPerBlock;
-+ page = chunkId % dev->param.nChunksPerBlock;
- /* Delete backwards so that we don't end up with holes if
- * power is lost part-way through the operation.
-- */
++ if (!yaffs_check_chunk_bit(dev, block, page))
++ T(YAFFS_TRACE_VERIFY,
++ (TSTR("Deleting invalid chunk %d"TENDSTR),
++ chunk_id));
++
++ bi = yaffs_get_block_info(dev, block);
++
++ yaffs2_update_oldest_dirty_seq(dev, block, bi);
++
++ T(YAFFS_TRACE_DELETION,
++ (TSTR("line %d delete of chunk %d" TENDSTR), lyn, chunk_id));
++
++ if (!dev->param.is_yaffs2 && mark_flash &&
++ bi->block_state != YAFFS_BLOCK_STATE_COLLECTING) {
++
++ yaffs_init_tags(&tags);
++
++ tags.is_deleted = 1;
++
++ yaffs_wr_chunk_tags_nand(dev, chunk_id, NULL, &tags);
++ yaffs_handle_chunk_update(dev, chunk_id, &tags);
++ } else {
++ dev->n_unmarked_deletions++;
++ }
++
++ /* Pull out of the management area.
++ * If the whole block became dirty, this will kick off an erasure.
+ */
- for (i = lastDel; i >= startDel; i--) {
- /* NB this could be optimised somewhat,
- * eg. could retrieve the tags and write them without
- * using yaffs_DeleteChunk
- */
++ if (bi->block_state == YAFFS_BLOCK_STATE_ALLOCATING ||
++ bi->block_state == YAFFS_BLOCK_STATE_FULL ||
++ bi->block_state == YAFFS_BLOCK_STATE_NEEDS_SCANNING ||
++ bi->block_state == YAFFS_BLOCK_STATE_COLLECTING) {
++ dev->n_free_chunks++;
- chunkId = yaffs_FindAndDeleteChunkInFile(in, i, NULL);
- if (chunkId > 0) {
@@ -10657,128 +11282,136 @@
- in->nDataChunks--;
- yaffs_DeleteChunk(dev, chunkId, 1, __LINE__);
- }
-- }
-- }
-+ if (!yaffs_CheckChunkBit(dev, block, page))
-+ T(YAFFS_TRACE_VERIFY,
-+ (TSTR("Deleting invalid chunk %d"TENDSTR),
-+ chunkId));
++ yaffs_clear_chunk_bit(dev, block, page);
++
++ bi->pages_in_use--;
++
++ if (bi->pages_in_use == 0 &&
++ !bi->has_shrink_hdr &&
++ bi->block_state != YAFFS_BLOCK_STATE_ALLOCATING &&
++ bi->block_state != YAFFS_BLOCK_STATE_NEEDS_SCANNING) {
++ yaffs_block_became_dirty(dev, block);
+ }
++
+ }
--}
-+ bi = yaffs_GetBlockInfo(dev, block);
-+
-+ yaffs2_UpdateOldestDirtySequence(dev, block, bi);
+ }
-int yaffs_ResizeFile(yaffs_Object *in, loff_t newSize)
--{
-+ T(YAFFS_TRACE_DELETION,
-+ (TSTR("line %d delete of chunk %d" TENDSTR), lyn, chunkId));
-
-- int oldFileSize = in->variant.fileVariant.fileSize;
-- __u32 newSizeOfPartialChunk;
-- int newFullChunks;
-+ if (!dev->param.isYaffs2 && markNAND &&
-+ bi->blockState != YAFFS_BLOCK_STATE_COLLECTING) {
-
-- yaffs_Device *dev = in->myDev;
-+ yaffs_InitialiseTags(&tags);
-
-- yaffs_AddrToChunk(dev, newSize, &newFullChunks, &newSizeOfPartialChunk);
-+ tags.chunkDeleted = 1;
-
-- yaffs_FlushFilesChunkCache(in);
-- yaffs_InvalidateWholeChunkCache(in);
-+ yaffs_WriteChunkWithTagsToNAND(dev, chunkId, NULL, &tags);
-+ yaffs_HandleUpdateChunk(dev, chunkId, &tags);
-+ } else {
-+ dev->nUnmarkedDeletions++;
-+ }
-
-- yaffs_CheckGarbageCollection(dev);
-+ /* Pull out of the management area.
-+ * If the whole block became dirty, this will kick off an erasure.
-+ */
-+ if (bi->blockState == YAFFS_BLOCK_STATE_ALLOCATING ||
-+ bi->blockState == YAFFS_BLOCK_STATE_FULL ||
-+ bi->blockState == YAFFS_BLOCK_STATE_NEEDS_SCANNING ||
-+ bi->blockState == YAFFS_BLOCK_STATE_COLLECTING) {
-+ dev->nFreeChunks++;
-
-- if (in->variantType != YAFFS_OBJECT_TYPE_FILE)
-- return YAFFS_FAIL;
-+ yaffs_ClearChunkBit(dev, block, page);
-
-- if (newSize == oldFileSize)
-- return YAFFS_OK;
-+ bi->pagesInUse--;
-
-- if (newSize < oldFileSize) {
-+ if (bi->pagesInUse == 0 &&
-+ !bi->hasShrinkHeader &&
-+ bi->blockState != YAFFS_BLOCK_STATE_ALLOCATING &&
-+ bi->blockState != YAFFS_BLOCK_STATE_NEEDS_SCANNING) {
-+ yaffs_BlockBecameDirty(dev, block);
-+ }
-
-- yaffs_PruneResizedChunks(in, newSize);
-+ }
-
-- if (newSizeOfPartialChunk != 0) {
-- int lastChunk = 1 + newFullChunks;
-+}
-
-- __u8 *localBuffer = yaffs_GetTempBuffer(dev, __LINE__);
-+static int yaffs_WriteChunkDataToObject(yaffs_Object *in, int chunkInInode,
-+ const __u8 *buffer, int nBytes,
++static int yaffs_wr_data_obj(yaffs_obj_t *in, int inode_chunk,
++ const __u8 *buffer, int n_bytes,
+ int useReserve)
-+{
+ {
+ /* Find old chunk Need to do this to get serial number
+ * Write new one and patch into tree.
+ * Invalidate old tags.
+ */
-- /* Got to read and rewrite the last chunk with its new size and zero pad */
-- yaffs_ReadChunkDataFromObject(in, lastChunk,
-- localBuffer);
+- int oldFileSize = in->variant.fileVariant.fileSize;
+- __u32 newSizeOfPartialChunk;
+- int newFullChunks;
+ int prevChunkId;
-+ yaffs_ExtendedTags prevTags;
++ yaffs_ext_tags prevTags;
-- memset(localBuffer + newSizeOfPartialChunk, 0,
-- dev->nDataBytesPerChunk - newSizeOfPartialChunk);
+- yaffs_Device *dev = in->myDev;
+ int newChunkId;
-+ yaffs_ExtendedTags newTags;
++ yaffs_ext_tags newTags;
-- yaffs_WriteChunkDataToObject(in, lastChunk, localBuffer,
-- newSizeOfPartialChunk, 1);
-+ yaffs_Device *dev = in->myDev;
+- yaffs_AddrToChunk(dev, newSize, &newFullChunks, &newSizeOfPartialChunk);
++ yaffs_dev_t *dev = in->my_dev;
-- yaffs_ReleaseTempBuffer(dev, localBuffer, __LINE__);
-- }
-+ yaffs_CheckGarbageCollection(dev,0);
+- yaffs_FlushFilesChunkCache(in);
+- yaffs_InvalidateWholeChunkCache(in);
++ yaffs_check_gc(dev,0);
-- in->variant.fileVariant.fileSize = newSize;
+- yaffs_CheckGarbageCollection(dev);
+ /* Get the previous chunk at this location in the file if it exists.
+ * If it does not exist then put a zero into the tree. This creates
+ * the tnode now, rather than later when it is harder to clean up.
+ */
-+ prevChunkId = yaffs_FindChunkInFile(in, chunkInInode, &prevTags);
++ prevChunkId = yaffs_find_chunk_in_file(in, inode_chunk, &prevTags);
+ if(prevChunkId < 1 &&
-+ !yaffs_PutChunkIntoFile(in, chunkInInode, 0, 0))
++ !yaffs_put_chunk_in_file(in, inode_chunk, 0, 0))
+ return 0;
+- if (in->variantType != YAFFS_OBJECT_TYPE_FILE)
+- return YAFFS_FAIL;
++ /* Set up new tags */
++ yaffs_init_tags(&newTags);
+
+- if (newSize == oldFileSize)
+- return YAFFS_OK;
++ newTags.chunk_id = inode_chunk;
++ newTags.obj_id = in->obj_id;
++ newTags.serial_number =
++ (prevChunkId > 0) ? prevTags.serial_number + 1 : 1;
++ newTags.n_bytes = n_bytes;
+
+- if (newSize < oldFileSize) {
++ if (n_bytes < 1 || n_bytes > dev->param.total_bytes_per_chunk) {
++ T(YAFFS_TRACE_ERROR,
++ (TSTR("Writing %d bytes to chunk!!!!!!!!!" TENDSTR), n_bytes));
++ YBUG();
++ }
++
++
++ newChunkId =
++ yaffs_write_new_chunk(dev, buffer, &newTags,
++ useReserve);
+
+- yaffs_PruneResizedChunks(in, newSize);
++ if (newChunkId > 0) {
++ yaffs_put_chunk_in_file(in, inode_chunk, newChunkId, 0);
+
+- if (newSizeOfPartialChunk != 0) {
+- int lastChunk = 1 + newFullChunks;
++ if (prevChunkId > 0)
++ yaffs_chunk_del(dev, prevChunkId, 1, __LINE__);
+
+- __u8 *localBuffer = yaffs_GetTempBuffer(dev, __LINE__);
++ yaffs_verify_file_sane(in);
++ }
++ return newChunkId;
+
+- /* Got to read and rewrite the last chunk with its new size and zero pad */
+- yaffs_ReadChunkDataFromObject(in, lastChunk,
+- localBuffer);
++}
+
+- memset(localBuffer + newSizeOfPartialChunk, 0,
+- dev->nDataBytesPerChunk - newSizeOfPartialChunk);
++/* UpdateObjectHeader updates the header on NAND for an object.
++ * If name is not NULL, then that new name is used.
++ */
++int yaffs_update_oh(yaffs_obj_t *in, const YCHAR *name, int force,
++ int is_shrink, int shadows, yaffs_xattr_mod *xmod)
++{
+
+- yaffs_WriteChunkDataToObject(in, lastChunk, localBuffer,
+- newSizeOfPartialChunk, 1);
++ yaffs_block_info_t *bi;
+
+- yaffs_ReleaseTempBuffer(dev, localBuffer, __LINE__);
+- }
++ yaffs_dev_t *dev = in->my_dev;
+
+- in->variant.fileVariant.fileSize = newSize;
++ int prevChunkId;
++ int retVal = 0;
++ int result = 0;
+
- yaffs_PruneFileStructure(dev, &in->variant.fileVariant);
- } else {
- /* newsSize > oldFileSize */
- in->variant.fileVariant.fileSize = newSize;
- }
-+ /* Set up new tags */
-+ yaffs_InitialiseTags(&newTags);
++ int newChunkId;
++ yaffs_ext_tags newTags;
++ yaffs_ext_tags oldTags;
++ const YCHAR *alias = NULL;
-+ newTags.chunkId = chunkInInode;
-+ newTags.objectId = in->objectId;
-+ newTags.serialNumber =
-+ (prevChunkId > 0) ? prevTags.serialNumber + 1 : 1;
-+ newTags.byteCount = nBytes;
++ __u8 *buffer = NULL;
++ YCHAR old_name[YAFFS_MAX_NAME_LENGTH + 1];
- /* Write a new object header.
- * show we've shrunk the file, if need be
@@ -10789,27 +11422,15 @@
- in->parent->objectId != YAFFS_OBJECTID_DELETED)
- yaffs_UpdateObjectHeader(in, NULL, 0,
- (newSize < oldFileSize) ? 1 : 0, 0);
-+ if (nBytes < 1 || nBytes > dev->param.totalBytesPerChunk) {
-+ T(YAFFS_TRACE_ERROR,
-+ (TSTR("Writing %d bytes to chunk!!!!!!!!!" TENDSTR), nBytes));
-+ YBUG();
-+ }
-+
-+
-+ newChunkId =
-+ yaffs_WriteNewChunkWithTagsToNAND(dev, buffer, &newTags,
-+ useReserve);
++ yaffs_obj_header *oh = NULL;
- return YAFFS_OK;
-}
-+ if (newChunkId > 0) {
-+ yaffs_PutChunkIntoFile(in, chunkInInode, newChunkId, 0);
++ yaffs_strcpy(old_name, _Y("silly old name"));
-loff_t yaffs_GetFileSize(yaffs_Object *obj)
-{
- obj = yaffs_GetEquivalentObject(obj);
-+ if (prevChunkId > 0)
-+ yaffs_DeleteChunk(dev, prevChunkId, 1, __LINE__);
- switch (obj->variantType) {
- case YAFFS_OBJECT_TYPE_FILE:
@@ -10818,20 +11439,34 @@
- return yaffs_strlen(obj->variant.symLinkVariant.alias);
- default:
- return 0;
-+ yaffs_VerifyFileSanity(in);
- }
-+ return newChunkId;
+- }
+-}
++ if (!in->fake ||
++ in == dev->root_dir || /* The root_dir should also be saved */
++ force || xmod) {
+
++ yaffs_check_gc(dev,0);
++ yaffs_check_obj_details_loaded(in);
+
++ buffer = yaffs_get_temp_buffer(in->my_dev, __LINE__);
++ oh = (yaffs_obj_header *) buffer;
+
- }
-
-+/* UpdateObjectHeader updates the header on NAND for an object.
-+ * If name is not NULL, then that new name is used.
-+ */
-+int yaffs_UpdateObjectHeader(yaffs_Object *in, const YCHAR *name, int force,
-+ int isShrink, int shadows, yaffs_XAttrMod *xmod)
-+{
-
-+ yaffs_BlockInfo *bi;
++ prevChunkId = in->hdr_chunk;
++
++ if (prevChunkId > 0) {
++ result = yaffs_rd_chunk_tags_nand(dev, prevChunkId,
++ buffer, &oldTags);
++
++ yaffs_verify_oh(in, oh, &oldTags, 0);
++
++ memcpy(old_name, oh->name, sizeof(oh->name));
++ memset(buffer, 0xFF, sizeof(yaffs_obj_header));
++ } else
++ memset(buffer, 0xFF, dev->data_bytes_per_chunk);
++
++ oh->type = in->variant_type;
++ oh->yst_mode = in->yst_mode;
++ oh->shadows_obj = oh->inband_shadowed_obj_id = shadows;
-int yaffs_FlushFile(yaffs_Object *in, int updateTime)
-{
@@ -10839,91 +11474,8 @@
- if (in->dirty) {
- yaffs_FlushFilesChunkCache(in);
- if (updateTime) {
--#ifdef CONFIG_YAFFS_WINCE
+ #ifdef CONFIG_YAFFS_WINCE
- yfsd_WinFileTimeNow(in->win_mtime);
--#else
-+ yaffs_Device *dev = in->myDev;
-
-- in->yst_mtime = Y_CURRENT_TIME;
-+ int prevChunkId;
-+ int retVal = 0;
-+ int result = 0;
-
--#endif
-- }
-+ int newChunkId;
-+ yaffs_ExtendedTags newTags;
-+ yaffs_ExtendedTags oldTags;
-+ const YCHAR *alias = NULL;
-
-- retVal = (yaffs_UpdateObjectHeader(in, NULL, 0, 0, 0) >=
-- 0) ? YAFFS_OK : YAFFS_FAIL;
-- } else {
-- retVal = YAFFS_OK;
-- }
-+ __u8 *buffer = NULL;
-+ YCHAR oldName[YAFFS_MAX_NAME_LENGTH + 1];
-
-- return retVal;
-+ yaffs_ObjectHeader *oh = NULL;
-
--}
-+ yaffs_strcpy(oldName, _Y("silly old name"));
-
--static int yaffs_DoGenericObjectDeletion(yaffs_Object *in)
--{
-
-- /* First off, invalidate the file's data in the cache, without flushing. */
-- yaffs_InvalidateWholeChunkCache(in);
-+ if (!in->fake ||
-+ in == dev->rootDir || /* The rootDir should also be saved */
-+ force || xmod) {
-
-- if (in->myDev->isYaffs2 && (in->parent != in->myDev->deletedDir)) {
-- /* Move to the unlinked directory so we have a record that it was deleted. */
-- yaffs_ChangeObjectName(in, in->myDev->deletedDir, _Y("deleted"), 0, 0);
-+ yaffs_CheckGarbageCollection(dev,0);
-+ yaffs_CheckObjectDetailsLoaded(in);
-
-- }
-+ buffer = yaffs_GetTempBuffer(in->myDev, __LINE__);
-+ oh = (yaffs_ObjectHeader *) buffer;
-
-- yaffs_RemoveObjectFromDirectory(in);
-- yaffs_DeleteChunk(in->myDev, in->hdrChunk, 1, __LINE__);
-- in->hdrChunk = 0;
-+ prevChunkId = in->hdrChunk;
-
-- yaffs_FreeObject(in);
-- return YAFFS_OK;
-+ if (prevChunkId > 0) {
-+ result = yaffs_ReadChunkWithTagsFromNAND(dev, prevChunkId,
-+ buffer, &oldTags);
-
--}
-+ yaffs_VerifyObjectHeader(in, oh, &oldTags, 0);
-
--/* yaffs_DeleteFile deletes the whole file data
-- * and the inode associated with the file.
-- * It does not delete the links associated with the file.
-- */
--static int yaffs_UnlinkFileIfNeeded(yaffs_Object *in)
--{
-+ memcpy(oldName, oh->name, sizeof(oh->name));
-+ memset(buffer, 0xFF, sizeof(yaffs_ObjectHeader));
-+ } else
-+ memset(buffer, 0xFF, dev->nDataBytesPerChunk);
-
-- int retVal;
-- int immediateDeletion = 0;
-+ oh->type = in->variantType;
-+ oh->yst_mode = in->yst_mode;
-+ oh->shadowsObject = oh->inbandShadowsObject = shadows;
-
--#ifdef __KERNEL__
-- if (!in->myInode)
-- immediateDeletion = 1;
-+#ifdef CONFIG_YAFFS_WINCE
+ oh->win_atime[0] = in->win_atime[0];
+ oh->win_ctime[0] = in->win_ctime[0];
+ oh->win_mtime[0] = in->win_mtime[0];
@@ -10931,19 +11483,149 @@
+ oh->win_ctime[1] = in->win_ctime[1];
+ oh->win_mtime[1] = in->win_mtime[1];
#else
-- if (in->inUse <= 0)
-- immediateDeletion = 1;
+ oh->yst_uid = in->yst_uid;
+ oh->yst_gid = in->yst_gid;
+ oh->yst_atime = in->yst_atime;
+ oh->yst_mtime = in->yst_mtime;
+ oh->yst_ctime = in->yst_ctime;
+ oh->yst_rdev = in->yst_rdev;
- #endif
++#endif
+ if (in->parent)
-+ oh->parentObjectId = in->parent->objectId;
++ oh->parent_obj_id = in->parent->obj_id;
+ else
-+ oh->parentObjectId = 0;
++ oh->parent_obj_id = 0;
++
++ if (name && *name) {
++ memset(oh->name, 0, sizeof(oh->name));
++ yaffs_load_oh_from_name(dev,oh->name,name);
++ } else if (prevChunkId > 0)
++ memcpy(oh->name, old_name, sizeof(oh->name));
++ else
++ memset(oh->name, 0, sizeof(oh->name));
+
+- in->yst_mtime = Y_CURRENT_TIME;
++ oh->is_shrink = is_shrink;
+
+-#endif
++ switch (in->variant_type) {
++ case YAFFS_OBJECT_TYPE_UNKNOWN:
++ /* Should not happen */
++ break;
++ case YAFFS_OBJECT_TYPE_FILE:
++ oh->file_size =
++ (oh->parent_obj_id == YAFFS_OBJECTID_DELETED
++ || oh->parent_obj_id ==
++ YAFFS_OBJECTID_UNLINKED) ? 0 : in->variant.
++ file_variant.file_size;
++ break;
++ case YAFFS_OBJECT_TYPE_HARDLINK:
++ oh->equiv_id =
++ in->variant.hardlink_variant.equiv_id;
++ break;
++ case YAFFS_OBJECT_TYPE_SPECIAL:
++ /* Do nothing */
++ break;
++ case YAFFS_OBJECT_TYPE_DIRECTORY:
++ /* Do nothing */
++ break;
++ case YAFFS_OBJECT_TYPE_SYMLINK:
++ alias = in->variant.symlink_variant.alias;
++ if(!alias)
++ alias = _Y("no alias");
++ yaffs_strncpy(oh->alias,
++ alias,
++ YAFFS_MAX_ALIAS_LENGTH);
++ oh->alias[YAFFS_MAX_ALIAS_LENGTH] = 0;
++ break;
+ }
+
+- retVal = (yaffs_UpdateObjectHeader(in, NULL, 0, 0, 0) >=
+- 0) ? YAFFS_OK : YAFFS_FAIL;
+- } else {
+- retVal = YAFFS_OK;
+- }
++ /* process any xattrib modifications */
++ if(xmod)
++ yaffs_apply_xattrib_mod(in, (char *)buffer, xmod);
+
+- return retVal;
+
+-}
++ /* Tags */
++ yaffs_init_tags(&newTags);
++ in->serial++;
++ newTags.chunk_id = 0;
++ newTags.obj_id = in->obj_id;
++ newTags.serial_number = in->serial;
+
+-static int yaffs_DoGenericObjectDeletion(yaffs_Object *in)
+-{
++ /* Add extra info for file header */
+
+- /* First off, invalidate the file's data in the cache, without flushing. */
+- yaffs_InvalidateWholeChunkCache(in);
++ newTags.extra_available = 1;
++ newTags.extra_parent_id = oh->parent_obj_id;
++ newTags.extra_length = oh->file_size;
++ newTags.extra_is_shrink = oh->is_shrink;
++ newTags.extra_equiv_id = oh->equiv_id;
++ newTags.extra_shadows = (oh->shadows_obj > 0) ? 1 : 0;
++ newTags.extra_obj_type = in->variant_type;
+
+- if (in->myDev->isYaffs2 && (in->parent != in->myDev->deletedDir)) {
+- /* Move to the unlinked directory so we have a record that it was deleted. */
+- yaffs_ChangeObjectName(in, in->myDev->deletedDir, _Y("deleted"), 0, 0);
++ yaffs_verify_oh(in, oh, &newTags, 1);
+
+- }
++ /* Create new chunk in NAND */
++ newChunkId =
++ yaffs_write_new_chunk(dev, buffer, &newTags,
++ (prevChunkId > 0) ? 1 : 0);
+
+- yaffs_RemoveObjectFromDirectory(in);
+- yaffs_DeleteChunk(in->myDev, in->hdrChunk, 1, __LINE__);
+- in->hdrChunk = 0;
++ if (newChunkId >= 0) {
+
+- yaffs_FreeObject(in);
+- return YAFFS_OK;
++ in->hdr_chunk = newChunkId;
+
+-}
++ if (prevChunkId > 0) {
++ yaffs_chunk_del(dev, prevChunkId, 1,
++ __LINE__);
++ }
+
+-/* yaffs_DeleteFile deletes the whole file data
+- * and the inode associated with the file.
+- * It does not delete the links associated with the file.
+- */
+-static int yaffs_UnlinkFileIfNeeded(yaffs_Object *in)
+-{
++ if (!yaffs_obj_cache_dirty(in))
++ in->dirty = 0;
+
+- int retVal;
+- int immediateDeletion = 0;
++ /* If this was a shrink, then mark the block that the chunk lives on */
++ if (is_shrink) {
++ bi = yaffs_get_block_info(in->my_dev,
++ newChunkId / in->my_dev->param.chunks_per_block);
++ bi->has_shrink_hdr = 1;
++ }
+
+-#ifdef __KERNEL__
+- if (!in->myInode)
+- immediateDeletion = 1;
+-#else
+- if (in->inUse <= 0)
+- immediateDeletion = 1;
+-#endif
++ }
++
++ retVal = newChunkId;
- if (immediateDeletion) {
- retVal =
@@ -10961,74 +11643,28 @@
- retVal =
- yaffs_ChangeObjectName(in, in->myDev->unlinkedDir,
- _Y("unlinked"), 0, 0);
-- }
-+ if (name && *name) {
-+ memset(oh->name, 0, sizeof(oh->name));
-+ yaffs_LoadObjectHeaderFromName(dev,oh->name,name);
-+ } else if (prevChunkId > 0)
-+ memcpy(oh->name, oldName, sizeof(oh->name));
-+ else
-+ memset(oh->name, 0, sizeof(oh->name));
+ }
-+ oh->isShrink = isShrink;
++ if (buffer)
++ yaffs_release_temp_buffer(dev, buffer, __LINE__);
-- return retVal;
--}
-+ switch (in->variantType) {
-+ case YAFFS_OBJECT_TYPE_UNKNOWN:
-+ /* Should not happen */
-+ break;
-+ case YAFFS_OBJECT_TYPE_FILE:
-+ oh->fileSize =
-+ (oh->parentObjectId == YAFFS_OBJECTID_DELETED
-+ || oh->parentObjectId ==
-+ YAFFS_OBJECTID_UNLINKED) ? 0 : in->variant.
-+ fileVariant.fileSize;
-+ break;
-+ case YAFFS_OBJECT_TYPE_HARDLINK:
-+ oh->equivalentObjectId =
-+ in->variant.hardLinkVariant.equivalentObjectId;
-+ break;
-+ case YAFFS_OBJECT_TYPE_SPECIAL:
-+ /* Do nothing */
-+ break;
-+ case YAFFS_OBJECT_TYPE_DIRECTORY:
-+ /* Do nothing */
-+ break;
-+ case YAFFS_OBJECT_TYPE_SYMLINK:
-+ alias = in->variant.symLinkVariant.alias;
-+ if(!alias)
-+ alias = _Y("no alias");
-+ yaffs_strncpy(oh->alias,
-+ alias,
-+ YAFFS_MAX_ALIAS_LENGTH);
-+ oh->alias[YAFFS_MAX_ALIAS_LENGTH] = 0;
-+ break;
-+ }
+ return retVal;
+ }
-int yaffs_DeleteFile(yaffs_Object *in)
-{
- int retVal = YAFFS_OK;
- int deleted = in->deleted;
-+ /* process any xattrib modifications */
-+ if(xmod)
-+ yaffs_ApplyXMod(in, (char *)buffer, xmod);
-
+-
- yaffs_ResizeFile(in, 0);
-
+-
- if (in->nDataChunks > 0) {
- /* Use soft deletion if there is data in the file.
- * That won't be the case if it has been resized to zero.
- */
- if (!in->unlinked)
- retVal = yaffs_UnlinkFileIfNeeded(in);
-+ /* Tags */
-+ yaffs_InitialiseTags(&newTags);
-+ in->serial++;
-+ newTags.chunkId = 0;
-+ newTags.objectId = in->objectId;
-+ newTags.serialNumber = in->serial;
-
+-
- if (retVal == YAFFS_OK && in->unlinked && !in->deleted) {
- in->deleted = 1;
- deleted = 1;
@@ -11041,68 +11677,67 @@
- yaffs_FreeTnode(in->myDev, in->variant.fileVariant.top);
- in->variant.fileVariant.top = NULL;
- yaffs_DoGenericObjectDeletion(in);
-+ /* Add extra info for file header */
-
+-
- return YAFFS_OK;
- }
-}
-+ newTags.extraHeaderInfoAvailable = 1;
-+ newTags.extraParentObjectId = oh->parentObjectId;
-+ newTags.extraFileLength = oh->fileSize;
-+ newTags.extraIsShrinkHeader = oh->isShrink;
-+ newTags.extraEquivalentObjectId = oh->equivalentObjectId;
-+ newTags.extraShadows = (oh->shadowsObject > 0) ? 1 : 0;
-+ newTags.extraObjectType = in->variantType;
++/*------------------------ Short Operations Cache ----------------------------------------
++ * In many situations where there is no high level buffering (eg WinCE) a lot of
++ * reads might be short sequential reads, and a lot of writes may be short
++ * sequential writes. eg. scanning/writing a jpeg file.
++ * In these cases, a short read/write cache can provide a huge perfomance benefit
++ * with dumb-as-a-rock code.
++ * In Linux, the page cache provides read buffering aand the short op cache provides write
++ * buffering.
++ *
++ * There are a limited number (~10) of cache chunks per device so that we don't
++ * need a very intelligent search.
++ */
-static int yaffs_DeleteDirectory(yaffs_Object *in)
--{
++static int yaffs_obj_cache_dirty(yaffs_obj_t *obj)
+ {
- /* First check that the directory is empty. */
- if (ylist_empty(&in->variant.directoryVariant.children))
- return yaffs_DoGenericObjectDeletion(in);
-+ yaffs_VerifyObjectHeader(in, oh, &newTags, 1);
++ yaffs_dev_t *dev = obj->my_dev;
++ int i;
++ yaffs_cache_t *cache;
++ int nCaches = obj->my_dev->param.n_caches;
- return YAFFS_FAIL;
-+ /* Create new chunk in NAND */
-+ newChunkId =
-+ yaffs_WriteNewChunkWithTagsToNAND(dev, buffer, &newTags,
-+ (prevChunkId > 0) ? 1 : 0);
++ for (i = 0; i < nCaches; i++) {
++ cache = &dev->cache[i];
++ if (cache->object == obj &&
++ cache->dirty)
++ return 1;
++ }
--}
-+ if (newChunkId >= 0) {
++ return 0;
+ }
-static int yaffs_DeleteSymLink(yaffs_Object *in)
-{
- YFREE(in->variant.symLinkVariant.alias);
-+ in->hdrChunk = newChunkId;
-
+-
- return yaffs_DoGenericObjectDeletion(in);
-}
-+ if (prevChunkId > 0) {
-+ yaffs_DeleteChunk(dev, prevChunkId, 1,
-+ __LINE__);
-+ }
-static int yaffs_DeleteHardLink(yaffs_Object *in)
--{
++static void yaffs_flush_file_cache(yaffs_obj_t *obj)
+ {
- /* remove this hardlink from the list assocaited with the equivalent
- * object
- */
- ylist_del_init(&in->hardLinks);
- return yaffs_DoGenericObjectDeletion(in);
-}
-+ if (!yaffs_ObjectHasCachedWriteData(in))
-+ in->dirty = 0;
-+
-+ /* If this was a shrink, then mark the block that the chunk lives on */
-+ if (isShrink) {
-+ bi = yaffs_GetBlockInfo(in->myDev,
-+ newChunkId / in->myDev->param.nChunksPerBlock);
-+ bi->hasShrinkHeader = 1;
-+ }
-+
-+ }
-+
-+ retVal = newChunkId;
++ yaffs_dev_t *dev = obj->my_dev;
++ int lowest = -99; /* Stop compiler whining. */
++ int i;
++ yaffs_cache_t *cache;
++ int chunkWritten = 0;
++ int nCaches = obj->my_dev->param.n_caches;
-int yaffs_DeleteObject(yaffs_Object *obj)
-{
@@ -11126,42 +11761,41 @@
- case YAFFS_OBJECT_TYPE_UNKNOWN:
- retVal = 0;
- break; /* should not happen. */
- }
+- }
++ if (nCaches > 0) {
++ do {
++ cache = NULL;
-+ if (buffer)
-+ yaffs_ReleaseTempBuffer(dev, buffer, __LINE__);
-+
- return retVal;
- }
+- return retVal;
+-}
++ /* Find the dirty cache for this object with the lowest chunk id. */
++ for (i = 0; i < nCaches; i++) {
++ if (dev->cache[i].object == obj &&
++ dev->cache[i].dirty) {
++ if (!cache
++ || dev->cache[i].chunk_id <
++ lowest) {
++ cache = &dev->cache[i];
++ lowest = cache->chunk_id;
++ }
++ }
++ }
-static int yaffs_UnlinkWorker(yaffs_Object *obj)
-+/*------------------------ Short Operations Cache ----------------------------------------
-+ * In many situations where there is no high level buffering (eg WinCE) a lot of
-+ * reads might be short sequential reads, and a lot of writes may be short
-+ * sequential writes. eg. scanning/writing a jpeg file.
-+ * In these cases, a short read/write cache can provide a huge perfomance benefit
-+ * with dumb-as-a-rock code.
-+ * In Linux, the page cache provides read buffering aand the short op cache provides write
-+ * buffering.
-+ *
-+ * There are a limited number (~10) of cache chunks per device so that we don't
-+ * need a very intelligent search.
-+ */
-+
-+static int yaffs_ObjectHasCachedWriteData(yaffs_Object *obj)
- {
-+ yaffs_Device *dev = obj->myDev;
-+ int i;
-+ yaffs_ChunkCache *cache;
-+ int nCaches = obj->myDev->param.nShortOpCaches;
+-{
++ if (cache && !cache->locked) {
++ /* Write it out and free it up */
- int immediateDeletion = 0;
-+ for (i = 0; i < nCaches; i++) {
-+ cache = &dev->srCache[i];
-+ if (cache->object == obj &&
-+ cache->dirty)
-+ return 1;
-+ }
++ chunkWritten =
++ yaffs_wr_data_obj(cache->object,
++ cache->chunk_id,
++ cache->data,
++ cache->n_bytes,
++ 1);
++ cache->dirty = 0;
++ cache->object = NULL;
++ }
-#ifdef __KERNEL__
- if (!obj->myInode)
@@ -11170,8 +11804,7 @@
- if (obj->inUse <= 0)
- immediateDeletion = 1;
-#endif
-+ return 0;
-+}
++ } while (cache && chunkWritten > 0);
- if (obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK) {
- return yaffs_DeleteHardLink(obj);
@@ -11189,64 +11822,54 @@
- * - Rename the object to the hardlink's name.
- * - Delete the hardlink
- */
-
-- yaffs_Object *hl;
-- int retVal;
-- YCHAR name[YAFFS_MAX_NAME_LENGTH + 1];
-+static void yaffs_FlushFilesChunkCache(yaffs_Object *obj)
-+{
-+ yaffs_Device *dev = obj->myDev;
-+ int lowest = -99; /* Stop compiler whining. */
-+ int i;
-+ yaffs_ChunkCache *cache;
-+ int chunkWritten = 0;
-+ int nCaches = obj->myDev->param.nShortOpCaches;
-
-- hl = ylist_entry(obj->hardLinks.next, yaffs_Object, hardLinks);
-+ if (nCaches > 0) {
-+ do {
-+ cache = NULL;
-
-- ylist_del_init(&hl->hardLinks);
-- ylist_del_init(&hl->siblings);
-+ /* Find the dirty cache for this object with the lowest chunk id. */
-+ for (i = 0; i < nCaches; i++) {
-+ if (dev->srCache[i].object == obj &&
-+ dev->srCache[i].dirty) {
-+ if (!cache
-+ || dev->srCache[i].chunkId <
-+ lowest) {
-+ cache = &dev->srCache[i];
-+ lowest = cache->chunkId;
-+ }
-+ }
-+ }
-
-- yaffs_GetObjectName(hl, name, YAFFS_MAX_NAME_LENGTH + 1);
-+ if (cache && !cache->locked) {
-+ /* Write it out and free it up */
-
-- retVal = yaffs_ChangeObjectName(obj, hl->parent, name, 0, 0);
-+ chunkWritten =
-+ yaffs_WriteChunkDataToObject(cache->object,
-+ cache->chunkId,
-+ cache->data,
-+ cache->nBytes,
-+ 1);
-+ cache->dirty = 0;
-+ cache->object = NULL;
-+ }
-
-- if (retVal == YAFFS_OK)
-- retVal = yaffs_DoGenericObjectDeletion(hl);
-+ } while (cache && chunkWritten > 0);
-
-- return retVal;
+ if (cache) {
+ /* Hoosterman, disk full while writing cache out. */
+ T(YAFFS_TRACE_ERROR,
+ (TSTR("yaffs tragedy: no space during cache write" TENDSTR)));
+- yaffs_Object *hl;
+- int retVal;
+- YCHAR name[YAFFS_MAX_NAME_LENGTH + 1];
++ }
++ }
+
+- hl = ylist_entry(obj->hardLinks.next, yaffs_Object, hardLinks);
++}
+
+- ylist_del_init(&hl->hardLinks);
+- ylist_del_init(&hl->siblings);
++/*yaffs_flush_whole_cache(dev)
++ *
++ *
++ */
+
+- yaffs_GetObjectName(hl, name, YAFFS_MAX_NAME_LENGTH + 1);
++void yaffs_flush_whole_cache(yaffs_dev_t *dev)
++{
++ yaffs_obj_t *obj;
++ int nCaches = dev->param.n_caches;
++ int i;
+
+- retVal = yaffs_ChangeObjectName(obj, hl->parent, name, 0, 0);
++ /* Find a dirty object in the cache and flush it...
++ * until there are no further dirty objects.
++ */
++ do {
++ obj = NULL;
++ for (i = 0; i < nCaches && !obj; i++) {
++ if (dev->cache[i].object &&
++ dev->cache[i].dirty)
++ obj = dev->cache[i].object;
+
+- if (retVal == YAFFS_OK)
+- retVal = yaffs_DoGenericObjectDeletion(hl);
++ }
++ if (obj)
++ yaffs_flush_file_cache(obj);
+
+- return retVal;
++ } while (obj);
+
- } else if (immediateDeletion) {
- switch (obj->variantType) {
- case YAFFS_OBJECT_TYPE_FILE:
@@ -11265,80 +11888,53 @@
- case YAFFS_OBJECT_TYPE_UNKNOWN:
- default:
- return YAFFS_FAIL;
- }
+- }
- } else
- return yaffs_ChangeObjectName(obj, obj->myDev->unlinkedDir,
- _Y("unlinked"), 0, 0);
-+ }
-+
}
-+/*yaffs_FlushEntireDeviceCache(dev)
-+ *
-+ *
-+ */
-static int yaffs_UnlinkObject(yaffs_Object *obj)
-+void yaffs_FlushEntireDeviceCache(yaffs_Device *dev)
- {
-+ yaffs_Object *obj;
-+ int nCaches = dev->param.nShortOpCaches;
-+ int i;
-
-- if (obj && obj->unlinkAllowed)
-- return yaffs_UnlinkWorker(obj);
-+ /* Find a dirty object in the cache and flush it...
-+ * until there are no further dirty objects.
-+ */
-+ do {
-+ obj = NULL;
-+ for (i = 0; i < nCaches && !obj; i++) {
-+ if (dev->srCache[i].object &&
-+ dev->srCache[i].dirty)
-+ obj = dev->srCache[i].object;
-
-- return YAFFS_FAIL;
-+ }
-+ if (obj)
-+ yaffs_FlushFilesChunkCache(obj);
-+
-+ } while (obj);
-
- }
--int yaffs_Unlink(yaffs_Object *dir, const YCHAR *name)
-+
-+
+/* Grab us a cache chunk for use.
+ * First look for an empty one.
+ * Then look for the least recently used non-dirty one.
+ * Then look for the least recently used dirty one...., flush and look again.
+ */
-+static yaffs_ChunkCache *yaffs_GrabChunkCacheWorker(yaffs_Device *dev)
++static yaffs_cache_t *yaffs_grab_chunk_worker(yaffs_dev_t *dev)
{
-- yaffs_Object *obj;
+ int i;
-- obj = yaffs_FindObjectByName(dir, name);
-- return yaffs_UnlinkObject(obj);
+- if (obj && obj->unlinkAllowed)
+- return yaffs_UnlinkWorker(obj);
+-
+- return YAFFS_FAIL;
+-
-}
-+ if (dev->param.nShortOpCaches > 0) {
-+ for (i = 0; i < dev->param.nShortOpCaches; i++) {
-+ if (!dev->srCache[i].object)
-+ return &dev->srCache[i];
+-int yaffs_Unlink(yaffs_Object *dir, const YCHAR *name)
+-{
+- yaffs_Object *obj;
++ if (dev->param.n_caches > 0) {
++ for (i = 0; i < dev->param.n_caches; i++) {
++ if (!dev->cache[i].object)
++ return &dev->cache[i];
+ }
+ }
--/*----------------------- Initialisation Scanning ---------------------- */
+- obj = yaffs_FindObjectByName(dir, name);
+- return yaffs_UnlinkObject(obj);
+ return NULL;
-+}
+ }
+-/*----------------------- Initialisation Scanning ---------------------- */
+-
-static void yaffs_HandleShadowedObject(yaffs_Device *dev, int objId,
- int backwardScanning)
-+static yaffs_ChunkCache *yaffs_GrabChunkCache(yaffs_Device *dev)
++static yaffs_cache_t *yaffs_grab_chunk_cache(yaffs_dev_t *dev)
{
- yaffs_Object *obj;
-+ yaffs_ChunkCache *cache;
-+ yaffs_Object *theObj;
++ yaffs_cache_t *cache;
++ yaffs_obj_t *theObj;
+ int usage;
+ int i;
+ int pushout;
@@ -11347,7 +11943,7 @@
- /* Handle YAFFS1 forward scanning case
- * For YAFFS1 we always do the deletion
- */
-+ if (dev->param.nShortOpCaches > 0) {
++ if (dev->param.n_caches > 0) {
+ /* Try find a non-dirty one... */
- } else {
@@ -11357,7 +11953,7 @@
- if (yaffs_FindObjectByNumber(dev, objId))
- return;
- }
-+ cache = yaffs_GrabChunkCacheWorker(dev);
++ cache = yaffs_grab_chunk_worker(dev);
- /* Let's create it (if it does not exist) assuming it is a file so that it can do shrinking etc.
- * We put it in unlinked dir to be cleaned up after the scanning
@@ -11389,13 +11985,13 @@
+ cache = NULL;
+ pushout = -1;
-+ for (i = 0; i < dev->param.nShortOpCaches; i++) {
-+ if (dev->srCache[i].object &&
-+ !dev->srCache[i].locked &&
-+ (dev->srCache[i].lastUse < usage || !cache)) {
-+ usage = dev->srCache[i].lastUse;
-+ theObj = dev->srCache[i].object;
-+ cache = &dev->srCache[i];
++ for (i = 0; i < dev->param.n_caches; i++) {
++ if (dev->cache[i].object &&
++ !dev->cache[i].locked &&
++ (dev->cache[i].last_use < usage || !cache)) {
++ usage = dev->cache[i].last_use;
++ theObj = dev->cache[i].object;
++ cache = &dev->cache[i];
+ pushout = i;
+ }
+ }
@@ -11406,8 +12002,8 @@
- yaffs_Object *in;
+ if (!cache || cache->dirty) {
+ /* Flush and try again */
-+ yaffs_FlushFilesChunkCache(theObj);
-+ cache = yaffs_GrabChunkCacheWorker(dev);
++ yaffs_flush_file_cache(theObj);
++ cache = yaffs_grab_chunk_worker(dev);
+ }
- while (hardList) {
@@ -11434,18 +12030,18 @@
- hl->variant.hardLinkVariant.equivalentObject = NULL;
- YINIT_LIST_HEAD(&hl->hardLinks);
+/* Find a cached chunk */
-+static yaffs_ChunkCache *yaffs_FindChunkCache(const yaffs_Object *obj,
-+ int chunkId)
++static yaffs_cache_t *yaffs_find_chunk_cache(const yaffs_obj_t *obj,
++ int chunk_id)
+{
-+ yaffs_Device *dev = obj->myDev;
++ yaffs_dev_t *dev = obj->my_dev;
+ int i;
-+ if (dev->param.nShortOpCaches > 0) {
-+ for (i = 0; i < dev->param.nShortOpCaches; i++) {
-+ if (dev->srCache[i].object == obj &&
-+ dev->srCache[i].chunkId == chunkId) {
-+ dev->cacheHits++;
++ if (dev->param.n_caches > 0) {
++ for (i = 0; i < dev->param.n_caches; i++) {
++ if (dev->cache[i].object == obj &&
++ dev->cache[i].chunk_id == chunk_id) {
++ dev->cache_hits++;
-+ return &dev->srCache[i];
++ return &dev->cache[i];
+ }
}
}
@@ -11453,23 +12049,23 @@
}
+/* Mark the chunk for the least recently used algorithym */
-+static void yaffs_UseChunkCache(yaffs_Device *dev, yaffs_ChunkCache *cache,
++static void yaffs_use_cache(yaffs_dev_t *dev, yaffs_cache_t *cache,
+ int isAWrite)
+{
+
-+ if (dev->param.nShortOpCaches > 0) {
-+ if (dev->srLastUse < 0 || dev->srLastUse > 100000000) {
++ if (dev->param.n_caches > 0) {
++ if (dev->cache_last_use < 0 || dev->cache_last_use > 100000000) {
+ /* Reset the cache usages */
+ int i;
-+ for (i = 1; i < dev->param.nShortOpCaches; i++)
-+ dev->srCache[i].lastUse = 0;
++ for (i = 1; i < dev->param.n_caches; i++)
++ dev->cache[i].last_use = 0;
-+ dev->srLastUse = 0;
++ dev->cache_last_use = 0;
+ }
-+ dev->srLastUse++;
++ dev->cache_last_use++;
-+ cache->lastUse = dev->srLastUse;
++ cache->last_use = dev->cache_last_use;
-static int ybicmp(const void *a, const void *b)
-{
@@ -11490,10 +12086,10 @@
+ * Do this when a whole page gets written,
+ * ie the short cache for this page is no longer valid.
+ */
-+static void yaffs_InvalidateChunkCache(yaffs_Object *object, int chunkId)
++static void yaffs_invalidate_chunk_cache(yaffs_obj_t *object, int chunk_id)
+{
-+ if (object->myDev->param.nShortOpCaches > 0) {
-+ yaffs_ChunkCache *cache = yaffs_FindChunkCache(object, chunkId);
++ if (object->my_dev->param.n_caches > 0) {
++ yaffs_cache_t *cache = yaffs_find_chunk_cache(object, chunk_id);
-struct yaffs_ShadowFixerStruct {
- int objectId;
@@ -11510,7 +12106,7 @@
+/* Invalidate all the cache pages associated with this object
+ * Do this whenever ther file is deleted or resized.
+ */
-+static void yaffs_InvalidateWholeChunkCache(yaffs_Object *in)
++static void yaffs_invalidate_whole_cache(yaffs_obj_t *in)
{
- /*
- * Sort out state of unlinked and deleted objects after scanning.
@@ -11519,7 +12115,7 @@
- struct ylist_head *n;
- yaffs_Object *l;
+ int i;
-+ yaffs_Device *dev = in->myDev;
++ yaffs_dev_t *dev = in->my_dev;
- /* Soft delete all the unlinked files */
- ylist_for_each_safe(i, n,
@@ -11527,11 +12123,11 @@
- if (i) {
- l = ylist_entry(i, yaffs_Object, siblings);
- yaffs_DeleteObject(l);
-+ if (dev->param.nShortOpCaches > 0) {
++ if (dev->param.n_caches > 0) {
+ /* Invalidate it. */
-+ for (i = 0; i < dev->param.nShortOpCaches; i++) {
-+ if (dev->srCache[i].object == in)
-+ dev->srCache[i].object = NULL;
++ for (i = 0; i < dev->param.n_caches; i++) {
++ if (dev->cache[i].object == in)
++ dev->cache[i].object = NULL;
}
}
+}
@@ -11556,8 +12152,8 @@
+ */
-static int yaffs_Scan(yaffs_Device *dev)
-+int yaffs_ReadDataFromFile(yaffs_Object *in, __u8 *buffer, loff_t offset,
-+ int nBytes)
++int yaffs_file_rd(yaffs_obj_t *in, __u8 *buffer, loff_t offset,
++ int n_bytes)
{
- yaffs_ExtendedTags tags;
- int blk;
@@ -11576,82 +12172,90 @@
- yaffs_ObjectHeader *oh;
- yaffs_Object *in;
- yaffs_Object *parent;
--
-- int alloc_failed = 0;
+ __u32 start;
+ int nToCopy;
-+ int n = nBytes;
++ int n = n_bytes;
+ int nDone = 0;
-+ yaffs_ChunkCache *cache;
++ yaffs_cache_t *cache;
+
+- int alloc_failed = 0;
++ yaffs_dev_t *dev;
- struct yaffs_ShadowFixerStruct *shadowFixerList = NULL;
-+ yaffs_Device *dev;
++ dev = in->my_dev;
-+ dev = in->myDev;
-
-- __u8 *chunkData;
+ while (n > 0) {
-+ /* chunk = offset / dev->nDataBytesPerChunk + 1; */
-+ /* start = offset % dev->nDataBytesPerChunk; */
-+ yaffs_AddrToChunk(dev, offset, &chunk, &start);
++ /* chunk = offset / dev->data_bytes_per_chunk + 1; */
++ /* start = offset % dev->data_bytes_per_chunk; */
++ yaffs_addr_to_chunk(dev, offset, &chunk, &start);
+ chunk++;
+- __u8 *chunkData;
+ /* OK now check for the curveball where the start and end are in
+ * the same chunk.
+ */
-+ if ((start + n) < dev->nDataBytesPerChunk)
++ if ((start + n) < dev->data_bytes_per_chunk)
+ nToCopy = n;
+ else
-+ nToCopy = dev->nDataBytesPerChunk - start;
++ nToCopy = dev->data_bytes_per_chunk - start;
-+ cache = yaffs_FindChunkCache(in, chunk);
++ cache = yaffs_find_chunk_cache(in, chunk);
+
++ /* If the chunk is already in the cache or it is less than a whole chunk
++ * or we're using inband tags then use the cache (if there is caching)
++ * else bypass the cache.
++ */
++ if (cache || nToCopy != dev->data_bytes_per_chunk || dev->param.inband_tags) {
++ if (dev->param.n_caches > 0) {
- T(YAFFS_TRACE_SCAN,
- (TSTR("yaffs_Scan starts intstartblk %d intendblk %d..." TENDSTR),
- dev->internalStartBlock, dev->internalEndBlock));
--
++ /* If we can't find the data in the cache, then load it up. */
+
- chunkData = yaffs_GetTempBuffer(dev, __LINE__);
--
++ if (!cache) {
++ cache = yaffs_grab_chunk_cache(in->my_dev);
++ cache->object = in;
++ cache->chunk_id = chunk;
++ cache->dirty = 0;
++ cache->locked = 0;
++ yaffs_rd_data_obj(in, chunk,
++ cache->
++ data);
++ cache->n_bytes = 0;
++ }
+
- dev->sequenceNumber = YAFFS_LOWEST_SEQUENCE_NUMBER;
--
++ yaffs_use_cache(dev, cache, 0);
+
- /* Scan all the blocks to determine their state */
- for (blk = dev->internalStartBlock; blk <= dev->internalEndBlock; blk++) {
- bi = yaffs_GetBlockInfo(dev, blk);
- yaffs_ClearChunkBits(dev, blk);
- bi->pagesInUse = 0;
- bi->softDeletions = 0;
-+ /* If the chunk is already in the cache or it is less than a whole chunk
-+ * or we're using inband tags then use the cache (if there is caching)
-+ * else bypass the cache.
-+ */
-+ if (cache || nToCopy != dev->nDataBytesPerChunk || dev->param.inbandTags) {
-+ if (dev->param.nShortOpCaches > 0) {
++ cache->locked = 1;
- yaffs_QueryInitialBlockState(dev, blk, &state, &sequenceNumber);
-+ /* If we can't find the data in the cache, then load it up. */
- bi->blockState = state;
- bi->sequenceNumber = sequenceNumber;
-+ if (!cache) {
-+ cache = yaffs_GrabChunkCache(in->myDev);
-+ cache->object = in;
-+ cache->chunkId = chunk;
-+ cache->dirty = 0;
-+ cache->locked = 0;
-+ yaffs_ReadChunkDataFromObject(in, chunk,
-+ cache->
-+ data);
-+ cache->nBytes = 0;
-+ }
++ memcpy(buffer, &cache->data[start], nToCopy);
- if (bi->sequenceNumber == YAFFS_SEQUENCE_BAD_BLOCK)
- bi->blockState = state = YAFFS_BLOCK_STATE_DEAD;
-+ yaffs_UseChunkCache(dev, cache, 0);
++ cache->locked = 0;
++ } else {
++ /* Read into the local buffer then copy..*/
- T(YAFFS_TRACE_SCAN_DEBUG,
- (TSTR("Block scanning block %d state %d seq %d" TENDSTR), blk,
- state, sequenceNumber));
-+ cache->locked = 1;
++ __u8 *localBuffer =
++ yaffs_get_temp_buffer(dev, __LINE__);
++ yaffs_rd_data_obj(in, chunk,
++ localBuffer);
- if (state == YAFFS_BLOCK_STATE_DEAD) {
- T(YAFFS_TRACE_BAD_BLOCKS,
@@ -11663,55 +12267,63 @@
- dev->nFreeChunks += dev->nChunksPerBlock;
- }
- }
++ memcpy(buffer, &localBuffer[start], nToCopy);
- startIterator = dev->internalStartBlock;
- endIterator = dev->internalEndBlock;
-+ memcpy(buffer, &cache->data[start], nToCopy);
- /* For each block.... */
- for (blockIterator = startIterator; !alloc_failed && blockIterator <= endIterator;
- blockIterator++) {
-+ cache->locked = 0;
-+ } else {
-+ /* Read into the local buffer then copy..*/
-
-- YYIELD();
-+ __u8 *localBuffer =
-+ yaffs_GetTempBuffer(dev, __LINE__);
-+ yaffs_ReadChunkDataFromObject(in, chunk,
-+ localBuffer);
-
-- YYIELD();
-+ memcpy(buffer, &localBuffer[start], nToCopy);
-
-- blk = blockIterator;
-
-- bi = yaffs_GetBlockInfo(dev, blk);
-- state = bi->blockState;
-+ yaffs_ReleaseTempBuffer(dev, localBuffer,
++ yaffs_release_temp_buffer(dev, localBuffer,
+ __LINE__);
+ }
-- deleted = 0;
+- YYIELD();
+ } else {
+- YYIELD();
++ /* A full chunk. Read directly into the supplied buffer. */
++ yaffs_rd_data_obj(in, chunk, buffer);
+
+- blk = blockIterator;
++ }
+
+- bi = yaffs_GetBlockInfo(dev, blk);
+- state = bi->blockState;
++ n -= nToCopy;
++ offset += nToCopy;
++ buffer += nToCopy;
++ nDone += nToCopy;
+
+- deleted = 0;
++ }
+
- /* For each chunk in each block that needs scanning....*/
- for (c = 0; !alloc_failed && c < dev->nChunksPerBlock &&
- state == YAFFS_BLOCK_STATE_NEEDS_SCANNING; c++) {
- /* Read the tags and decide what to do */
- chunk = blk * dev->nChunksPerBlock + c;
-+ /* A full chunk. Read directly into the supplied buffer. */
-+ yaffs_ReadChunkDataFromObject(in, chunk, buffer);
++ return nDone;
++}
- result = yaffs_ReadChunkWithTagsFromNAND(dev, chunk, NULL,
- &tags);
-+ }
++int yaffs_do_file_wr(yaffs_obj_t *in, const __u8 *buffer, loff_t offset,
++ int n_bytes, int write_trhrough)
++{
- /* Let's have a good look at this chunk... */
-+ n -= nToCopy;
-+ offset += nToCopy;
-+ buffer += nToCopy;
-+ nDone += nToCopy;
++ int chunk;
++ __u32 start;
++ int nToCopy;
++ int n = n_bytes;
++ int nDone = 0;
++ int nToWriteBack;
++ int startOfWrite = offset;
++ int chunkWritten = 0;
++ __u32 n_bytesRead;
++ __u32 chunkStart;
- if (tags.eccResult == YAFFS_ECC_RESULT_UNFIXED || tags.chunkDeleted) {
- /* YAFFS1 only...
@@ -11725,7 +12337,7 @@
- * This means that either the block is empty or
- * this is the one being allocated from
- */
-+ }
++ yaffs_dev_t *dev;
- if (c == 0) {
- /* We're looking at the first chunk in the block so the block is unused */
@@ -11742,13 +12354,11 @@
- dev->allocationPage = c;
- dev->allocationBlockFinder = blk;
- /* Set it to here to encourage the allocator to go forth from here. */
-+ return nDone;
-+}
++ dev = in->my_dev;
- }
-+int yaffs_DoWriteDataToFile(yaffs_Object *in, const __u8 *buffer, loff_t offset,
-+ int nBytes, int writeThrough)
-+{
++ while (n > 0 && chunkWritten >= 0) {
++ yaffs_addr_to_chunk(dev, offset, &chunk, &start);
- dev->nFreeChunks += (dev->nChunksPerBlock - c);
- } else if (tags.chunkId > 0) {
@@ -11765,26 +12375,27 @@
- /* PutChunkIntoFile checks for a clash (two data chunks with
- * the same chunkId).
- */
-+ int chunk;
-+ __u32 start;
-+ int nToCopy;
-+ int n = nBytes;
-+ int nDone = 0;
-+ int nToWriteBack;
-+ int startOfWrite = offset;
-+ int chunkWritten = 0;
-+ __u32 nBytesRead;
-+ __u32 chunkStart;
++ if (chunk * dev->data_bytes_per_chunk + start != offset ||
++ start >= dev->data_bytes_per_chunk) {
++ T(YAFFS_TRACE_ERROR, (
++ TSTR("AddrToChunk of offset %d gives chunk %d start %d"
++ TENDSTR),
++ (int)offset, chunk, start));
++ }
++ chunk++; /* File pos to chunk in file offset */
- if (!in)
- alloc_failed = 1;
-+ yaffs_Device *dev;
++ /* OK now check for the curveball where the start and end are in
++ * the same chunk.
++ */
- if (in) {
- if (!yaffs_PutChunkIntoFile(in, tags.chunkId, chunk, 1))
- alloc_failed = 1;
- }
-+ dev = in->myDev;
++ if ((start + n) < dev->data_bytes_per_chunk) {
++ nToCopy = n;
- endpos =
- (tags.chunkId - 1) * dev->nDataBytesPerChunk +
@@ -11801,8 +12412,10 @@
- in->variant.fileVariant.
- scannedFileSize;
- }
-+ while (n > 0 && chunkWritten >= 0) {
-+ yaffs_AddrToChunk(dev, offset, &chunk, &start);
++ /* Now folks, to calculate how many bytes to write back....
++ * If we're overwriting and not writing to then end of file then
++ * we need to write back as much as was there before.
++ */
- }
- /* T((" %d %d data %d %d\n",blk,c,tags.objectId,tags.chunkId)); */
@@ -11812,14 +12425,7 @@
- */
- yaffs_SetChunkBit(dev, blk, c);
- bi->pagesInUse++;
-+ if (chunk * dev->nDataBytesPerChunk + start != offset ||
-+ start >= dev->nDataBytesPerChunk) {
-+ T(YAFFS_TRACE_ERROR, (
-+ TSTR("AddrToChunk of offset %d gives chunk %d start %d"
-+ TENDSTR),
-+ (int)offset, chunk, start));
-+ }
-+ chunk++; /* File pos to chunk in file offset */
++ chunkStart = ((chunk - 1) * dev->data_bytes_per_chunk);
- result = yaffs_ReadChunkWithTagsFromNAND(dev, chunk,
- chunkData,
@@ -11834,20 +12440,20 @@
- * Wev'e ended up with an objectId that has been reused but not yet
- * deleted, and worse still it has changed type. Delete the old object.
- */
-+ /* OK now check for the curveball where the start and end are in
-+ * the same chunk.
-+ */
++ if (chunkStart > in->variant.file_variant.file_size)
++ n_bytesRead = 0; /* Past end of file */
++ else
++ n_bytesRead = in->variant.file_variant.file_size - chunkStart;
- yaffs_DeleteObject(in);
-+ if ((start + n) < dev->nDataBytesPerChunk) {
-+ nToCopy = n;
++ if (n_bytesRead > dev->data_bytes_per_chunk)
++ n_bytesRead = dev->data_bytes_per_chunk;
- in = 0;
- }
-+ /* Now folks, to calculate how many bytes to write back....
-+ * If we're overwriting and not writing to then end of file then
-+ * we need to write back as much as was there before.
-+ */
++ nToWriteBack =
++ (n_bytesRead >
++ (start + n)) ? n_bytesRead : (start + n);
- in = yaffs_FindOrCreateObjectByNumber(dev,
- tags.
@@ -11867,24 +12473,49 @@
- fixer->objectId = tags.objectId;
- fixer->shadowedId = oh->shadowsObject;
- }
-+ chunkStart = ((chunk - 1) * dev->nDataBytesPerChunk);
++ if (nToWriteBack < 0 || nToWriteBack > dev->data_bytes_per_chunk)
++ YBUG();
++
++ } else {
++ nToCopy = dev->data_bytes_per_chunk - start;
++ nToWriteBack = dev->data_bytes_per_chunk;
++ }
++
++ if (nToCopy != dev->data_bytes_per_chunk || dev->param.inband_tags) {
++ /* An incomplete start or end chunk (or maybe both start and end chunk),
++ * or we're using inband tags, so we want to use the cache buffers.
++ */
++ if (dev->param.n_caches > 0) {
++ yaffs_cache_t *cache;
++ /* If we can't find the data in the cache, then load the cache */
++ cache = yaffs_find_chunk_cache(in, chunk);
-- }
-+ if (chunkStart > in->variant.fileVariant.fileSize)
-+ nBytesRead = 0; /* Past end of file */
-+ else
-+ nBytesRead = in->variant.fileVariant.fileSize - chunkStart;
++ if (!cache
++ && yaffs_check_alloc_available(dev, 1)) {
++ cache = yaffs_grab_chunk_cache(dev);
++ cache->object = in;
++ cache->chunk_id = chunk;
++ cache->dirty = 0;
++ cache->locked = 0;
++ yaffs_rd_data_obj(in, chunk,
++ cache->data);
++ } else if (cache &&
++ !cache->dirty &&
++ !yaffs_check_alloc_available(dev, 1)) {
++ /* Drop the cache if it was a read cache item and
++ * no space check has been made for it.
++ */
++ cache = NULL;
+ }
- if (in && in->valid) {
- /* We have already filled this one. We have a duplicate and need to resolve it. */
-+ if (nBytesRead > dev->nDataBytesPerChunk)
-+ nBytesRead = dev->nDataBytesPerChunk;
++ if (cache) {
++ yaffs_use_cache(dev, cache, 1);
++ cache->locked = 1;
- unsigned existingSerial = in->serial;
- unsigned newSerial = tags.serialNumber;
-+ nToWriteBack =
-+ (nBytesRead >
-+ (start + n)) ? nBytesRead : (start + n);
- if (((existingSerial + 1) & 3) == newSerial) {
- /* Use new one - destroy the exisiting one */
@@ -11896,10 +12527,30 @@
- /* Use existing - destroy this one. */
- yaffs_DeleteChunk(dev, chunk, 1,
- __LINE__);
-- }
-- }
-+ if (nToWriteBack < 0 || nToWriteBack > dev->nDataBytesPerChunk)
-+ YBUG();
++ memcpy(&cache->data[start], buffer,
++ nToCopy);
++
++
++ cache->locked = 0;
++ cache->n_bytes = nToWriteBack;
++
++ if (write_trhrough) {
++ chunkWritten =
++ yaffs_wr_data_obj
++ (cache->object,
++ cache->chunk_id,
++ cache->data, cache->n_bytes,
++ 1);
++ cache->dirty = 0;
+ }
++
++ } else {
++ chunkWritten = -1; /* fail the write */
+ }
++ } else {
++ /* An incomplete start or end chunk (or maybe both start and end chunk)
++ * Read into the local buffer then copy, then copy over and write back.
++ */
- if (in && !in->valid &&
- (tags.objectId == YAFFS_OBJECTID_ROOT ||
@@ -11907,10 +12558,8 @@
- /* We only load some info, don't fiddle with directory structure */
- in->valid = 1;
- in->variantType = oh->type;
-+ } else {
-+ nToCopy = dev->nDataBytesPerChunk - start;
-+ nToWriteBack = dev->nDataBytesPerChunk;
-+ }
++ __u8 *localBuffer =
++ yaffs_get_temp_buffer(dev, __LINE__);
- in->yst_mode = oh->yst_mode;
-#ifdef CONFIG_YAFFS_WINCE
@@ -11930,40 +12579,14 @@
-#endif
- in->hdrChunk = chunk;
- in->serial = tags.serialNumber;
-+ if (nToCopy != dev->nDataBytesPerChunk || dev->param.inbandTags) {
-+ /* An incomplete start or end chunk (or maybe both start and end chunk),
-+ * or we're using inband tags, so we want to use the cache buffers.
-+ */
-+ if (dev->param.nShortOpCaches > 0) {
-+ yaffs_ChunkCache *cache;
-+ /* If we can't find the data in the cache, then load the cache */
-+ cache = yaffs_FindChunkCache(in, chunk);
++ yaffs_rd_data_obj(in, chunk,
++ localBuffer);
- } else if (in && !in->valid) {
- /* we need to load this info */
-+ if (!cache
-+ && yaffs_CheckSpaceForAllocation(dev, 1)) {
-+ cache = yaffs_GrabChunkCache(dev);
-+ cache->object = in;
-+ cache->chunkId = chunk;
-+ cache->dirty = 0;
-+ cache->locked = 0;
-+ yaffs_ReadChunkDataFromObject(in, chunk,
-+ cache->data);
-+ } else if (cache &&
-+ !cache->dirty &&
-+ !yaffs_CheckSpaceForAllocation(dev, 1)) {
-+ /* Drop the cache if it was a read cache item and
-+ * no space check has been made for it.
-+ */
-+ cache = NULL;
-+ }
- in->valid = 1;
- in->variantType = oh->type;
-+ if (cache) {
-+ yaffs_UseChunkCache(dev, cache, 1);
-+ cache->locked = 1;
- in->yst_mode = oh->yst_mode;
-#ifdef CONFIG_YAFFS_WINCE
@@ -11983,15 +12606,21 @@
-#endif
- in->hdrChunk = chunk;
- in->serial = tags.serialNumber;
++ memcpy(&localBuffer[start], buffer, nToCopy);
- yaffs_SetObjectName(in, oh->name);
- in->dirty = 0;
-+ memcpy(&cache->data[start], buffer,
-+ nToCopy);
++ chunkWritten =
++ yaffs_wr_data_obj(in, chunk,
++ localBuffer,
++ nToWriteBack,
++ 0);
- /* directory stuff...
- * hook up to parent
- */
++ yaffs_release_temp_buffer(dev, localBuffer,
++ __LINE__);
- parent =
- yaffs_FindOrCreateObjectByNumber
@@ -12012,32 +12641,18 @@
- /* Hoosterman, another problem....
- * We're trying to use a non-directory as a directory
- */
-+ cache->locked = 0;
-+ cache->nBytes = nToWriteBack;
++ }
- T(YAFFS_TRACE_ERROR,
- (TSTR
- ("yaffs tragedy: attempting to use non-directory as a directory in scan. Put in lost+found."
- TENDSTR)));
- parent = dev->lostNFoundDir;
-+ if (writeThrough) {
-+ chunkWritten =
-+ yaffs_WriteChunkDataToObject
-+ (cache->object,
-+ cache->chunkId,
-+ cache->data, cache->nBytes,
-+ 1);
-+ cache->dirty = 0;
- }
+- }
++ } else {
++ /* A full chunk. Write directly from the supplied buffer. */
- yaffs_AddObjectToDirectory(parent, in);
-+ } else {
-+ chunkWritten = -1; /* fail the write */
-+ }
-+ } else {
-+ /* An incomplete start or end chunk (or maybe both start and end chunk)
-+ * Read into the local buffer then copy, then copy over and write back.
-+ */
- if (0 && (parent == dev->deletedDir ||
- parent == dev->unlinkedDir)) {
@@ -12050,8 +12665,6 @@
- * After scanning is complete, we should have all the objects, so we run through this
- * list and fix up all the chains.
- */
-+ __u8 *localBuffer =
-+ yaffs_GetTempBuffer(dev, __LINE__);
- switch (in->variantType) {
- case YAFFS_OBJECT_TYPE_UNKNOWN:
@@ -12087,8 +12700,10 @@
- alloc_failed = 1;
- break;
- }
-+ yaffs_ReadChunkDataFromObject(in, chunk,
-+ localBuffer);
++ chunkWritten =
++ yaffs_wr_data_obj(in, chunk, buffer,
++ dev->data_bytes_per_chunk,
++ 0);
-/*
- if (parent == dev->deletedDir) {
@@ -12098,15 +12713,22 @@
-*/
- }
- }
-- }
++ /* Since we've overwritten the cached data, we better invalidate it. */
++ yaffs_invalidate_chunk_cache(in, chunk);
+ }
- if (state == YAFFS_BLOCK_STATE_NEEDS_SCANNING) {
- /* If we got this far while scanning, then the block is fully allocated.*/
- state = YAFFS_BLOCK_STATE_FULL;
-- }
++ if (chunkWritten >= 0) {
++ n -= nToCopy;
++ offset += nToCopy;
++ buffer += nToCopy;
++ nDone += nToCopy;
+ }
- bi->blockState = state;
-+ memcpy(&localBuffer[start], buffer, nToCopy);
++ }
- /* Now let's see if it was dirty */
- if (bi->pagesInUse == 0 &&
@@ -12114,27 +12736,29 @@
- bi->blockState == YAFFS_BLOCK_STATE_FULL) {
- yaffs_BlockBecameDirty(dev, blk);
- }
-+ chunkWritten =
-+ yaffs_WriteChunkDataToObject(in, chunk,
-+ localBuffer,
-+ nToWriteBack,
-+ 0);
++ /* Update file object */
- }
-+ yaffs_ReleaseTempBuffer(dev, localBuffer,
-+ __LINE__);
++ if ((startOfWrite + nDone) > in->variant.file_variant.file_size)
++ in->variant.file_variant.file_size = (startOfWrite + nDone);
-+ }
++ in->dirty = 1;
- /* Ok, we've done all the scanning.
- * Fix up the hard link chains.
- * We should now have scanned all the objects, now it's time to add these
- * hardlinks.
- */
-+ } else {
-+ /* A full chunk. Write directly from the supplied buffer. */
++ return nDone;
++}
- yaffs_HardlinkFixup(dev, hardList);
++int yaffs_wr_file(yaffs_obj_t *in, const __u8 *buffer, loff_t offset,
++ int n_bytes, int write_trhrough)
++{
++ yaffs2_handle_hole(in,offset);
++ return yaffs_do_file_wr(in,buffer,offset,n_bytes,write_trhrough);
++}
- /* Fix up any shadowed objects */
- {
@@ -12152,79 +12776,100 @@
- yaffs_DeleteObject(obj);
- obj = yaffs_FindObjectByNumber(dev, fixer->objectId);
-+ chunkWritten =
-+ yaffs_WriteChunkDataToObject(in, chunk, buffer,
-+ dev->nDataBytesPerChunk,
-+ 0);
- if (obj)
- yaffs_UpdateObjectHeader(obj, NULL, 1, 0, 0);
-+ /* Since we've overwritten the cached data, we better invalidate it. */
-+ yaffs_InvalidateChunkCache(in, chunk);
-+ }
++/* ---------------------- File resizing stuff ------------------ */
- YFREE(fixer);
-+ if (chunkWritten >= 0) {
-+ n -= nToCopy;
-+ offset += nToCopy;
-+ buffer += nToCopy;
-+ nDone += nToCopy;
- }
+- }
- }
++static void yaffs_prune_chunks(yaffs_obj_t *in, int new_size)
++{
- yaffs_ReleaseTempBuffer(dev, chunkData, __LINE__);
-+ }
++ yaffs_dev_t *dev = in->my_dev;
++ int oldFileSize = in->variant.file_variant.file_size;
- if (alloc_failed)
- return YAFFS_FAIL;
-+ /* Update file object */
++ int lastDel = 1 + (oldFileSize - 1) / dev->data_bytes_per_chunk;
++
++ int startDel = 1 + (new_size + dev->data_bytes_per_chunk - 1) /
++ dev->data_bytes_per_chunk;
++ int i;
++ int chunk_id;
- T(YAFFS_TRACE_SCAN, (TSTR("yaffs_Scan ends" TENDSTR)));
-+ if ((startOfWrite + nDone) > in->variant.fileVariant.fileSize)
-+ in->variant.fileVariant.fileSize = (startOfWrite + nDone);
++ /* Delete backwards so that we don't end up with holes if
++ * power is lost part-way through the operation.
++ */
++ for (i = lastDel; i >= startDel; i--) {
++ /* NB this could be optimised somewhat,
++ * eg. could retrieve the tags and write them without
++ * using yaffs_chunk_del
++ */
-+ in->dirty = 1;
++ chunk_id = yaffs_find_del_file_chunk(in, i, NULL);
++ if (chunk_id > 0) {
++ if (chunk_id <
++ (dev->internal_start_block * dev->param.chunks_per_block)
++ || chunk_id >=
++ ((dev->internal_end_block +
++ 1) * dev->param.chunks_per_block)) {
++ T(YAFFS_TRACE_ALWAYS,
++ (TSTR("Found daft chunk_id %d for %d" TENDSTR),
++ chunk_id, i));
++ } else {
++ in->n_data_chunks--;
++ yaffs_chunk_del(dev, chunk_id, 1, __LINE__);
++ }
++ }
++ }
- return YAFFS_OK;
-+ return nDone;
}
-static void yaffs_CheckObjectDetailsLoaded(yaffs_Object *in)
-+int yaffs_WriteDataToFile(yaffs_Object *in, const __u8 *buffer, loff_t offset,
-+ int nBytes, int writeThrough)
- {
+-{
- __u8 *chunkData;
- yaffs_ObjectHeader *oh;
- yaffs_Device *dev;
- yaffs_ExtendedTags tags;
- int result;
- int alloc_failed = 0;
-+ yaffs2_HandleHole(in,offset);
-+ return yaffs_DoWriteDataToFile(in,buffer,offset,nBytes,writeThrough);
-+}
- if (!in)
- return;
++void yaffs_resize_file_down( yaffs_obj_t *obj, loff_t new_size)
++{
++ int newFullChunks;
++ __u32 new_sizeOfPartialChunk;
++ yaffs_dev_t *dev = obj->my_dev;
- dev = in->myDev;
++ yaffs_addr_to_chunk(dev, new_size, &newFullChunks, &new_sizeOfPartialChunk);
-#if 0
- T(YAFFS_TRACE_SCAN, (TSTR("details for object %d %s loaded" TENDSTR),
- in->objectId,
- in->lazyLoaded ? "not yet" : "already"));
-#endif
-+/* ---------------------- File resizing stuff ------------------ */
++ yaffs_prune_chunks(obj, new_size);
- if (in->lazyLoaded && in->hdrChunk > 0) {
- in->lazyLoaded = 0;
- chunkData = yaffs_GetTempBuffer(dev, __LINE__);
-+static void yaffs_PruneResizedChunks(yaffs_Object *in, int newSize)
-+{
++ if (new_sizeOfPartialChunk != 0) {
++ int lastChunk = 1 + newFullChunks;
++ __u8 *localBuffer = yaffs_get_temp_buffer(dev, __LINE__);
- result = yaffs_ReadChunkWithTagsFromNAND(dev, in->hdrChunk, chunkData, &tags);
- oh = (yaffs_ObjectHeader *) chunkData;
-+ yaffs_Device *dev = in->myDev;
-+ int oldFileSize = in->variant.fileVariant.fileSize;
++ /* Got to read and rewrite the last chunk with its new size and zero pad */
++ yaffs_rd_data_obj(obj, lastChunk, localBuffer);
++ memset(localBuffer + new_sizeOfPartialChunk, 0,
++ dev->data_bytes_per_chunk - new_sizeOfPartialChunk);
- in->yst_mode = oh->yst_mode;
-#ifdef CONFIG_YAFFS_WINCE
@@ -12241,14 +12886,13 @@
- in->yst_mtime = oh->yst_mtime;
- in->yst_ctime = oh->yst_ctime;
- in->yst_rdev = oh->yst_rdev;
-+ int lastDel = 1 + (oldFileSize - 1) / dev->nDataBytesPerChunk;
++ yaffs_wr_data_obj(obj, lastChunk, localBuffer,
++ new_sizeOfPartialChunk, 1);
-#endif
- yaffs_SetObjectName(in, oh->name);
-+ int startDel = 1 + (newSize + dev->nDataBytesPerChunk - 1) /
-+ dev->nDataBytesPerChunk;
-+ int i;
-+ int chunkId;
++ yaffs_release_temp_buffer(dev, localBuffer, __LINE__);
++ }
- if (in->variantType == YAFFS_OBJECT_TYPE_SYMLINK) {
- in->variant.symLinkVariant.alias =
@@ -12256,49 +12900,22 @@
- if (!in->variant.symLinkVariant.alias)
- alloc_failed = 1; /* Not returned to caller */
- }
-+ /* Delete backwards so that we don't end up with holes if
-+ * power is lost part-way through the operation.
-+ */
-+ for (i = lastDel; i >= startDel; i--) {
-+ /* NB this could be optimised somewhat,
-+ * eg. could retrieve the tags and write them without
-+ * using yaffs_DeleteChunk
-+ */
++ obj->variant.file_variant.file_size = new_size;
- yaffs_ReleaseTempBuffer(dev, chunkData, __LINE__);
-+ chunkId = yaffs_FindAndDeleteChunkInFile(in, i, NULL);
-+ if (chunkId > 0) {
-+ if (chunkId <
-+ (dev->internalStartBlock * dev->param.nChunksPerBlock)
-+ || chunkId >=
-+ ((dev->internalEndBlock +
-+ 1) * dev->param.nChunksPerBlock)) {
-+ T(YAFFS_TRACE_ALWAYS,
-+ (TSTR("Found daft chunkId %d for %d" TENDSTR),
-+ chunkId, i));
-+ } else {
-+ in->nDataChunks--;
-+ yaffs_DeleteChunk(dev, chunkId, 1, __LINE__);
-+ }
-+ }
- }
-+
+- }
++ yaffs_prune_tree(dev, &obj->variant.file_variant);
}
-static int yaffs_ScanBackwards(yaffs_Device *dev)
-+
-+void yaffs_ResizeDown( yaffs_Object *obj, loff_t newSize)
- {
+-{
- yaffs_ExtendedTags tags;
- int blk;
- int blockIterator;
- int startIterator;
- int endIterator;
- int nBlocksToScan = 0;
-+ int newFullChunks;
-+ __u32 newSizeOfPartialChunk;
-+ yaffs_Device *dev = obj->myDev;
-
+-
- int chunk;
- int result;
- int c;
@@ -12313,121 +12930,100 @@
- int nBlocks = dev->internalEndBlock - dev->internalStartBlock + 1;
- int itsUnlinked;
- __u8 *chunkData;
-+ yaffs_AddrToChunk(dev, newSize, &newFullChunks, &newSizeOfPartialChunk);
- int fileSize;
- int isShrink;
- int foundChunksInBlock;
- int equivalentObjectId;
- int alloc_failed = 0;
-+ yaffs_PruneResizedChunks(obj, newSize);
++int yaffs_resize_file(yaffs_obj_t *in, loff_t new_size)
++{
++ yaffs_dev_t *dev = in->my_dev;
++ int oldFileSize = in->variant.file_variant.file_size;
-+ if (newSizeOfPartialChunk != 0) {
-+ int lastChunk = 1 + newFullChunks;
-+ __u8 *localBuffer = yaffs_GetTempBuffer(dev, __LINE__);
++ yaffs_flush_file_cache(in);
++ yaffs_invalidate_whole_cache(in);
- yaffs_BlockIndex *blockIndex = NULL;
- int altBlockIndex = 0;
-+ /* Got to read and rewrite the last chunk with its new size and zero pad */
-+ yaffs_ReadChunkDataFromObject(obj, lastChunk, localBuffer);
-+ memset(localBuffer + newSizeOfPartialChunk, 0,
-+ dev->nDataBytesPerChunk - newSizeOfPartialChunk);
++ yaffs_check_gc(dev,0);
- if (!dev->isYaffs2) {
- T(YAFFS_TRACE_SCAN,
- (TSTR("yaffs_ScanBackwards is only for YAFFS2!" TENDSTR)));
-- return YAFFS_FAIL;
-+ yaffs_WriteChunkDataToObject(obj, lastChunk, localBuffer,
-+ newSizeOfPartialChunk, 1);
-+
-+ yaffs_ReleaseTempBuffer(dev, localBuffer, __LINE__);
- }
++ if (in->variant_type != YAFFS_OBJECT_TYPE_FILE)
+ return YAFFS_FAIL;
+- }
- T(YAFFS_TRACE_SCAN,
- (TSTR
- ("yaffs_ScanBackwards starts intstartblk %d intendblk %d..."
- TENDSTR), dev->internalStartBlock, dev->internalEndBlock));
-+ obj->variant.fileVariant.fileSize = newSize;
-+
-+ yaffs_PruneFileStructure(dev, &obj->variant.fileVariant);
-+}
-
-
-- dev->sequenceNumber = YAFFS_LOWEST_SEQUENCE_NUMBER;
-+int yaffs_ResizeFile(yaffs_Object *in, loff_t newSize)
-+{
-+ yaffs_Device *dev = in->myDev;
-+ int oldFileSize = in->variant.fileVariant.fileSize;
-
-- blockIndex = YMALLOC(nBlocks * sizeof(yaffs_BlockIndex));
-+ yaffs_FlushFilesChunkCache(in);
-+ yaffs_InvalidateWholeChunkCache(in);
-
-- if (!blockIndex) {
-- blockIndex = YMALLOC_ALT(nBlocks * sizeof(yaffs_BlockIndex));
-- altBlockIndex = 1;
-- }
-+ yaffs_CheckGarbageCollection(dev,0);
-
-- if (!blockIndex) {
-- T(YAFFS_TRACE_SCAN,
-- (TSTR("yaffs_Scan() could not allocate block index!" TENDSTR)));
-+ if (in->variantType != YAFFS_OBJECT_TYPE_FILE)
- return YAFFS_FAIL;
-- }
-
-- dev->blocksInCheckpoint = 0;
-+ if (newSize == oldFileSize)
++ if (new_size == oldFileSize)
+ return YAFFS_OK;
+
-+ if(newSize > oldFileSize){
-+ yaffs2_HandleHole(in,newSize);
-+ in->variant.fileVariant.fileSize = newSize;
++ if(new_size > oldFileSize){
++ yaffs2_handle_hole(in,new_size);
++ in->variant.file_variant.file_size = new_size;
+ } else {
-+ /* newSize < oldFileSize */
-+ yaffs_ResizeDown(in, newSize);
++ /* new_size < oldFileSize */
++ yaffs_resize_file_down(in, new_size);
+ }
-+
+
+ /* Write a new object header to reflect the resize.
+ * show we've shrunk the file, if need be
+ * Do this only if the file is not in the deleted directories
+ * and is not shadowed.
+ */
+ if (in->parent &&
-+ !in->isShadowed &&
-+ in->parent->objectId != YAFFS_OBJECTID_UNLINKED &&
-+ in->parent->objectId != YAFFS_OBJECTID_DELETED)
-+ yaffs_UpdateObjectHeader(in, NULL, 0, 0, 0, NULL);
-+
++ !in->is_shadowed &&
++ in->parent->obj_id != YAFFS_OBJECTID_UNLINKED &&
++ in->parent->obj_id != YAFFS_OBJECTID_DELETED)
++ yaffs_update_oh(in, NULL, 0, 0, 0, NULL);
-- chunkData = yaffs_GetTempBuffer(dev, __LINE__);
+- dev->sequenceNumber = YAFFS_LOWEST_SEQUENCE_NUMBER;
+
+- blockIndex = YMALLOC(nBlocks * sizeof(yaffs_BlockIndex));
+ return YAFFS_OK;
+}
+- if (!blockIndex) {
+- blockIndex = YMALLOC_ALT(nBlocks * sizeof(yaffs_BlockIndex));
+- altBlockIndex = 1;
+- }
++loff_t yaffs_get_file_size(yaffs_obj_t *obj)
++{
++ YCHAR *alias = NULL;
++ obj = yaffs_get_equivalent_obj(obj);
+
+- if (!blockIndex) {
+- T(YAFFS_TRACE_SCAN,
+- (TSTR("yaffs_Scan() could not allocate block index!" TENDSTR)));
+- return YAFFS_FAIL;
++ switch (obj->variant_type) {
++ case YAFFS_OBJECT_TYPE_FILE:
++ return obj->variant.file_variant.file_size;
++ case YAFFS_OBJECT_TYPE_SYMLINK:
++ alias = obj->variant.symlink_variant.alias;
++ if(!alias)
++ return 0;
++ return yaffs_strnlen(alias,YAFFS_MAX_ALIAS_LENGTH);
++ default:
++ return 0;
+ }
++}
+
+- dev->blocksInCheckpoint = 0;
+-
+- chunkData = yaffs_GetTempBuffer(dev, __LINE__);
+-
- /* Scan all the blocks to determine their state */
- for (blk = dev->internalStartBlock; blk <= dev->internalEndBlock; blk++) {
- bi = yaffs_GetBlockInfo(dev, blk);
- yaffs_ClearChunkBits(dev, blk);
- bi->pagesInUse = 0;
- bi->softDeletions = 0;
-+loff_t yaffs_GetFileSize(yaffs_Object *obj)
-+{
-+ YCHAR *alias = NULL;
-+ obj = yaffs_GetEquivalentObject(obj);
-+
-+ switch (obj->variantType) {
-+ case YAFFS_OBJECT_TYPE_FILE:
-+ return obj->variant.fileVariant.fileSize;
-+ case YAFFS_OBJECT_TYPE_SYMLINK:
-+ alias = obj->variant.symLinkVariant.alias;
-+ if(!alias)
-+ return 0;
-+ return yaffs_strnlen(alias,YAFFS_MAX_ALIAS_LENGTH);
-+ default:
-+ return 0;
-+ }
-+}
-
+-
- yaffs_QueryInitialBlockState(dev, blk, &state, &sequenceNumber);
- bi->blockState = state;
@@ -12437,17 +13033,17 @@
- bi->blockState = state = YAFFS_BLOCK_STATE_CHECKPOINT;
- if (bi->sequenceNumber == YAFFS_SEQUENCE_BAD_BLOCK)
- bi->blockState = state = YAFFS_BLOCK_STATE_DEAD;
-+int yaffs_FlushFile(yaffs_Object *in, int updateTime, int dataSync)
++int yaffs_flush_file(yaffs_obj_t *in, int update_time, int data_sync)
+{
+ int retVal;
+ if (in->dirty) {
-+ yaffs_FlushFilesChunkCache(in);
-+ if(dataSync) /* Only sync data */
++ yaffs_flush_file_cache(in);
++ if(data_sync) /* Only sync data */
+ retVal=YAFFS_OK;
+ else {
-+ if (updateTime) {
++ if (update_time) {
+#ifdef CONFIG_YAFFS_WINCE
-+ yfsd_WinFileTimeNow(in->win_mtime);
++ yfsd_win_file_time_now(in->win_mtime);
+#else
- T(YAFFS_TRACE_SCAN_DEBUG,
@@ -12460,7 +13056,7 @@
- if (state == YAFFS_BLOCK_STATE_CHECKPOINT) {
- dev->blocksInCheckpoint++;
-+ retVal = (yaffs_UpdateObjectHeader(in, NULL, 0, 0, 0, NULL) >=
++ retVal = (yaffs_update_oh(in, NULL, 0, 0, 0, NULL) >=
+ 0) ? YAFFS_OK : YAFFS_FAIL;
+ }
+ } else {
@@ -12485,12 +13081,12 @@
- blockIndex[nBlocksToScan].seq = sequenceNumber;
- blockIndex[nBlocksToScan].block = blk;
-+static int yaffs_DoGenericObjectDeletion(yaffs_Object *in)
++static int yaffs_generic_obj_del(yaffs_obj_t *in)
+{
- nBlocksToScan++;
+ /* First off, invalidate the file's data in the cache, without flushing. */
-+ yaffs_InvalidateWholeChunkCache(in);
++ yaffs_invalidate_whole_cache(in);
- if (sequenceNumber >= dev->sequenceNumber)
- dev->sequenceNumber = sequenceNumber;
@@ -12500,9 +13096,9 @@
- (TSTR
- ("Block scanning block %d has bad sequence number %d"
- TENDSTR), blk, sequenceNumber));
-+ if (in->myDev->param.isYaffs2 && (in->parent != in->myDev->deletedDir)) {
++ if (in->my_dev->param.is_yaffs2 && (in->parent != in->my_dev->del_dir)) {
+ /* Move to the unlinked directory so we have a record that it was deleted. */
-+ yaffs_ChangeObjectName(in, in->myDev->deletedDir, _Y("deleted"), 0, 0);
++ yaffs_change_obj_name(in, in->my_dev->del_dir, _Y("deleted"), 0, 0);
- }
- }
@@ -12510,21 +13106,21 @@
- T(YAFFS_TRACE_SCAN,
- (TSTR("%d blocks to be sorted..." TENDSTR), nBlocksToScan));
-+ yaffs_RemoveObjectFromDirectory(in);
-+ yaffs_DeleteChunk(in->myDev, in->hdrChunk, 1, __LINE__);
-+ in->hdrChunk = 0;
++ yaffs_remove_obj_from_dir(in);
++ yaffs_chunk_del(in->my_dev, in->hdr_chunk, 1, __LINE__);
++ in->hdr_chunk = 0;
-+ yaffs_FreeObject(in);
++ yaffs_free_obj(in);
+ return YAFFS_OK;
+}
- YYIELD();
-+/* yaffs_DeleteFile deletes the whole file data
++/* yaffs_del_file deletes the whole file data
+ * and the inode associated with the file.
+ * It does not delete the links associated with the file.
+ */
-+static int yaffs_UnlinkFileIfNeeded(yaffs_Object *in)
++static int yaffs_unlink_file_if_needed(yaffs_obj_t *in)
+{
- /* Sort the blocks */
@@ -12538,12 +13134,12 @@
- /* Dungy old bubble sort... */
+ int retVal;
+ int immediateDeletion = 0;
-+ yaffs_Device *dev = in->myDev;
++ yaffs_dev_t *dev = in->my_dev;
- yaffs_BlockIndex temp;
- int i;
- int j;
-+ if (!in->myInode)
++ if (!in->my_inode)
+ immediateDeletion = 1;
- for (i = 0; i < nBlocksToScan; i++)
@@ -12555,19 +13151,19 @@
- }
+ if (immediateDeletion) {
+ retVal =
-+ yaffs_ChangeObjectName(in, in->myDev->deletedDir,
++ yaffs_change_obj_name(in, in->my_dev->del_dir,
+ _Y("deleted"), 0, 0);
+ T(YAFFS_TRACE_TRACING,
+ (TSTR("yaffs: immediate deletion of file %d" TENDSTR),
-+ in->objectId));
++ in->obj_id));
+ in->deleted = 1;
-+ in->myDev->nDeletedFiles++;
-+ if (dev->param.disableSoftDelete || dev->param.isYaffs2)
-+ yaffs_ResizeFile(in, 0);
-+ yaffs_SoftDeleteFile(in);
++ in->my_dev->n_deleted_files++;
++ if (dev->param.disable_soft_del || dev->param.is_yaffs2)
++ yaffs_resize_file(in, 0);
++ yaffs_soft_del_file(in);
+ } else {
+ retVal =
-+ yaffs_ChangeObjectName(in, in->myDev->unlinkedDir,
++ yaffs_change_obj_name(in, in->my_dev->unlinked_dir,
+ _Y("unlinked"), 0, 0);
}
-#endif
@@ -12577,29 +13173,17 @@
- T(YAFFS_TRACE_SCAN, (TSTR("...done" TENDSTR)));
+ return retVal;
+}
-+
-+int yaffs_DeleteFile(yaffs_Object *in)
-+{
-+ int retVal = YAFFS_OK;
-+ int deleted; /* Need to cache value on stack if in is freed */
-+ yaffs_Device *dev = in->myDev;
-+
-+ if (dev->param.disableSoftDelete || dev->param.isYaffs2)
-+ yaffs_ResizeFile(in, 0);
-+
-+ if (in->nDataChunks > 0) {
-+ /* Use soft deletion if there is data in the file.
-+ * That won't be the case if it has been resized to zero.
-+ */
-+ if (!in->unlinked)
-+ retVal = yaffs_UnlinkFileIfNeeded(in);
- /* Now scan the blocks looking at the data. */
- startIterator = 0;
- endIterator = nBlocksToScan - 1;
- T(YAFFS_TRACE_SCAN_DEBUG,
- (TSTR("%d blocks to be scanned" TENDSTR), nBlocksToScan));
-+ deleted = in->deleted;
++int yaffs_del_file(yaffs_obj_t *in)
++{
++ int retVal = YAFFS_OK;
++ int deleted; /* Need to cache value on stack if in is freed */
++ yaffs_dev_t *dev = in->my_dev;
- /* For each block.... backwards */
- for (blockIterator = endIterator; !alloc_failed && blockIterator >= startIterator;
@@ -12607,48 +13191,45 @@
- /* Cooperative multitasking! This loop can run for so
- long that watchdog timers expire. */
- YYIELD();
++ if (dev->param.disable_soft_del || dev->param.is_yaffs2)
++ yaffs_resize_file(in, 0);
+
+- /* get the block to scan in the correct order */
+- blk = blockIndex[blockIterator].block;
++ if (in->n_data_chunks > 0) {
++ /* Use soft deletion if there is data in the file.
++ * That won't be the case if it has been resized to zero.
++ */
++ if (!in->unlinked)
++ retVal = yaffs_unlink_file_if_needed(in);
+
+- bi = yaffs_GetBlockInfo(dev, blk);
++ deleted = in->deleted;
+
+ if (retVal == YAFFS_OK && in->unlinked && !in->deleted) {
+ in->deleted = 1;
+ deleted = 1;
-+ in->myDev->nDeletedFiles++;
-+ yaffs_SoftDeleteFile(in);
++ in->my_dev->n_deleted_files++;
++ yaffs_soft_del_file(in);
+ }
+ return deleted ? YAFFS_OK : YAFFS_FAIL;
+ } else {
+ /* The file has no data chunks so we toss it immediately */
-+ yaffs_FreeTnode(in->myDev, in->variant.fileVariant.top);
-+ in->variant.fileVariant.top = NULL;
-+ yaffs_DoGenericObjectDeletion(in);
++ yaffs_free_tnode(in->my_dev, in->variant.file_variant.top);
++ in->variant.file_variant.top = NULL;
++ yaffs_generic_obj_del(in);
-- /* get the block to scan in the correct order */
-- blk = blockIndex[blockIterator].block;
+- state = bi->blockState;
+ return YAFFS_OK;
+ }
+}
-- bi = yaffs_GetBlockInfo(dev, blk);
-+static int yaffs_IsNonEmptyDirectory(yaffs_Object *obj)
-+{
-+ return (obj->variantType == YAFFS_OBJECT_TYPE_DIRECTORY) &&
-+ !(ylist_empty(&obj->variant.directoryVariant.children));
-+}
-
-+static int yaffs_DeleteDirectory(yaffs_Object *obj)
-+{
-+ /* First check that the directory is empty. */
-+ if (yaffs_IsNonEmptyDirectory(obj))
-+ return YAFFS_FAIL;
-
-- state = bi->blockState;
-+ return yaffs_DoGenericObjectDeletion(obj);
-+}
-
- deleted = 0;
-+static int yaffs_DeleteSymLink(yaffs_Object *in)
++static int yaffs_is_non_empty_dir(yaffs_obj_t *obj)
+{
-+ if(in->variant.symLinkVariant.alias)
-+ YFREE(in->variant.symLinkVariant.alias);
-+ in->variant.symLinkVariant.alias=NULL;
++ return (obj->variant_type == YAFFS_OBJECT_TYPE_DIRECTORY) &&
++ !(ylist_empty(&obj->variant.dir_variant.children));
++}
- /* For each chunk in each block that needs scanning.... */
- foundChunksInBlock = 0;
@@ -12659,51 +13240,26 @@
- /* Scan backwards...
- * Read the tags and decide what to do
- */
-+ return yaffs_DoGenericObjectDeletion(in);
-+}
++static int yaffs_del_dir(yaffs_obj_t *obj)
++{
++ /* First check that the directory is empty. */
++ if (yaffs_is_non_empty_dir(obj))
++ return YAFFS_FAIL;
- chunk = blk * dev->nChunksPerBlock + c;
-+static int yaffs_DeleteHardLink(yaffs_Object *in)
-+{
-+ /* remove this hardlink from the list assocaited with the equivalent
-+ * object
-+ */
-+ ylist_del_init(&in->hardLinks);
-+ return yaffs_DoGenericObjectDeletion(in);
++ return yaffs_generic_obj_del(obj);
+}
- result = yaffs_ReadChunkWithTagsFromNAND(dev, chunk, NULL,
- &tags);
-+int yaffs_DeleteObject(yaffs_Object *obj)
++static int yaffs_del_symlink(yaffs_obj_t *in)
+{
-+int retVal = -1;
-+ switch (obj->variantType) {
-+ case YAFFS_OBJECT_TYPE_FILE:
-+ retVal = yaffs_DeleteFile(obj);
-+ break;
-+ case YAFFS_OBJECT_TYPE_DIRECTORY:
-+ if(!ylist_empty(&obj->variant.directoryVariant.dirty)){
-+ T(YAFFS_TRACE_BACKGROUND, (TSTR("Remove object %d from dirty directories" TENDSTR),obj->objectId));
-+ ylist_del_init(&obj->variant.directoryVariant.dirty);
-+ }
-+ return yaffs_DeleteDirectory(obj);
-+ break;
-+ case YAFFS_OBJECT_TYPE_SYMLINK:
-+ retVal = yaffs_DeleteSymLink(obj);
-+ break;
-+ case YAFFS_OBJECT_TYPE_HARDLINK:
-+ retVal = yaffs_DeleteHardLink(obj);
-+ break;
-+ case YAFFS_OBJECT_TYPE_SPECIAL:
-+ retVal = yaffs_DoGenericObjectDeletion(obj);
-+ break;
-+ case YAFFS_OBJECT_TYPE_UNKNOWN:
-+ retVal = 0;
-+ break; /* should not happen. */
-+ }
++ if(in->variant.symlink_variant.alias)
++ YFREE(in->variant.symlink_variant.alias);
++ in->variant.symlink_variant.alias=NULL;
- /* Let's have a good look at this chunk... */
-+ return retVal;
++ return yaffs_generic_obj_del(in);
+}
- if (!tags.chunkUsed) {
@@ -12715,8 +13271,14 @@
- * chunk and his means that either the block is empty or
- * this is the one being allocated from
- */
-+static int yaffs_UnlinkWorker(yaffs_Object *obj)
++static int yaffs_del_link(yaffs_obj_t *in)
+{
++ /* remove this hardlink from the list assocaited with the equivalent
++ * object
++ */
++ ylist_del_init(&in->hard_links);
++ return yaffs_generic_obj_del(in);
++}
- if (foundChunksInBlock) {
- /* This is a chunk that was skipped due to failing the erased check */
@@ -12754,11 +13316,37 @@
- }
- }
- }
-+ int immediateDeletion = 0;
++int yaffs_del_obj(yaffs_obj_t *obj)
++{
++int retVal = -1;
++ switch (obj->variant_type) {
++ case YAFFS_OBJECT_TYPE_FILE:
++ retVal = yaffs_del_file(obj);
++ break;
++ case YAFFS_OBJECT_TYPE_DIRECTORY:
++ if(!ylist_empty(&obj->variant.dir_variant.dirty)){
++ T(YAFFS_TRACE_BACKGROUND, (TSTR("Remove object %d from dirty directories" TENDSTR),obj->obj_id));
++ ylist_del_init(&obj->variant.dir_variant.dirty);
++ }
++ return yaffs_del_dir(obj);
++ break;
++ case YAFFS_OBJECT_TYPE_SYMLINK:
++ retVal = yaffs_del_symlink(obj);
++ break;
++ case YAFFS_OBJECT_TYPE_HARDLINK:
++ retVal = yaffs_del_link(obj);
++ break;
++ case YAFFS_OBJECT_TYPE_SPECIAL:
++ retVal = yaffs_generic_obj_del(obj);
++ break;
++ case YAFFS_OBJECT_TYPE_UNKNOWN:
++ retVal = 0;
++ break; /* should not happen. */
++ }
- dev->nFreeChunks++;
-+ if (!obj->myInode)
-+ immediateDeletion = 1;
++ return retVal;
++}
- } else if (tags.eccResult == YAFFS_ECC_RESULT_UNFIXED) {
- T(YAFFS_TRACE_SCAN,
@@ -12787,8 +13375,8 @@
- /* Out of memory */
- alloc_failed = 1;
- }
-+ if(obj)
-+ yaffs_UpdateParent(obj->parent);
++static int yaffs_unlink_worker(yaffs_obj_t *obj)
++{
- if (in &&
- in->variantType == YAFFS_OBJECT_TYPE_FILE
@@ -12799,22 +13387,7 @@
- chunk, -1)) {
- alloc_failed = 1;
- }
-+ if (obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK) {
-+ return yaffs_DeleteHardLink(obj);
-+ } else if (!ylist_empty(&obj->hardLinks)) {
-+ /* Curve ball: We're unlinking an object that has a hardlink.
-+ *
-+ * This problem arises because we are not strictly following
-+ * The Linux link/inode model.
-+ *
-+ * We can't really delete the object.
-+ * Instead, we do the following:
-+ * - Select a hardlink.
-+ * - Unhook it from the hard links
-+ * - Move it from its parent directory (so that the rename can work)
-+ * - Rename the object to the hardlink's name.
-+ * - Delete the hardlink
-+ */
++ int immediateDeletion = 0;
- /* File size is calculated by looking at the data chunks if we have not
- * seen an object header yet. Stop this practice once we find an object header.
@@ -12834,15 +13407,14 @@
- in->variant.fileVariant.
- scannedFileSize;
- }
-+ yaffs_Object *hl;
-+ yaffs_Object *parent;
-+ int retVal;
-+ YCHAR name[YAFFS_MAX_NAME_LENGTH + 1];
++ if (!obj->my_inode)
++ immediateDeletion = 1;
- } else if (in) {
- /* This chunk has been invalidated by a resize, so delete */
- yaffs_DeleteChunk(dev, chunk, 1, __LINE__);
-+ hl = ylist_entry(obj->hardLinks.next, yaffs_Object, hardLinks);
++ if(obj)
++ yaffs_update_parent(obj->parent);
- }
- } else {
@@ -12850,16 +13422,33 @@
- * Thus, we read in the object header and make the object
- */
- foundChunksInBlock = 1;
-+ yaffs_GetObjectName(hl, name, YAFFS_MAX_NAME_LENGTH + 1);
-+ parent = hl->parent;
++ if (obj->variant_type == YAFFS_OBJECT_TYPE_HARDLINK) {
++ return yaffs_del_link(obj);
++ } else if (!ylist_empty(&obj->hard_links)) {
++ /* Curve ball: We're unlinking an object that has a hardlink.
++ *
++ * This problem arises because we are not strictly following
++ * The Linux link/inode model.
++ *
++ * We can't really delete the object.
++ * Instead, we do the following:
++ * - Select a hardlink.
++ * - Unhook it from the hard links
++ * - Move it from its parent directory (so that the rename can work)
++ * - Rename the object to the hardlink's name.
++ * - Delete the hardlink
++ */
- yaffs_SetChunkBit(dev, blk, c);
- bi->pagesInUse++;
-+ ylist_del_init(&hl->hardLinks);
++ yaffs_obj_t *hl;
++ yaffs_obj_t *parent;
++ int retVal;
++ YCHAR name[YAFFS_MAX_NAME_LENGTH + 1];
- oh = NULL;
- in = NULL;
-+ yaffs_AddObjectToDirectory(obj->myDev->unlinkedDir, hl);
++ hl = ylist_entry(obj->hard_links.next, yaffs_obj_t, hard_links);
- if (tags.extraHeaderInfoAvailable) {
- in = yaffs_FindOrCreateObjectByNumber
@@ -12868,7 +13457,8 @@
- if (!in)
- alloc_failed = 1;
- }
-+ retVal = yaffs_ChangeObjectName(obj,parent, name, 0, 0);
++ yaffs_get_obj_name(hl, name, YAFFS_MAX_NAME_LENGTH + 1);
++ parent = hl->parent;
- if (!in ||
-#ifdef CONFIG_YAFFS_DISABLE_LAZY_LOAD
@@ -12883,8 +13473,7 @@
- * TODO In future we can probably defer reading the chunk and
- * living with invalid data until needed.
- */
-+ if (retVal == YAFFS_OK)
-+ retVal = yaffs_DoGenericObjectDeletion(hl);
++ ylist_del_init(&hl->hard_links);
- result = yaffs_ReadChunkWithTagsFromNAND(dev,
- chunk,
@@ -12898,41 +13487,18 @@
- oh->shadowsObject = oh->inbandShadowsObject;
- oh->isShrink = oh->inbandIsShrink;
- }
-+ return retVal;
++ yaffs_add_obj_to_dir(obj->my_dev->unlinked_dir, hl);
- if (!in) {
- in = yaffs_FindOrCreateObjectByNumber(dev, tags.objectId, oh->type);
- if (!in)
- alloc_failed = 1;
- }
-+ } else if (immediateDeletion) {
-+ switch (obj->variantType) {
-+ case YAFFS_OBJECT_TYPE_FILE:
-+ return yaffs_DeleteFile(obj);
-+ break;
-+ case YAFFS_OBJECT_TYPE_DIRECTORY:
-+ ylist_del_init(&obj->variant.directoryVariant.dirty);
-+ return yaffs_DeleteDirectory(obj);
-+ break;
-+ case YAFFS_OBJECT_TYPE_SYMLINK:
-+ return yaffs_DeleteSymLink(obj);
-+ break;
-+ case YAFFS_OBJECT_TYPE_SPECIAL:
-+ return yaffs_DoGenericObjectDeletion(obj);
-+ break;
-+ case YAFFS_OBJECT_TYPE_HARDLINK:
-+ case YAFFS_OBJECT_TYPE_UNKNOWN:
-+ default:
-+ return YAFFS_FAIL;
-+ }
-+ } else if(yaffs_IsNonEmptyDirectory(obj))
-+ return YAFFS_FAIL;
-+ else
-+ return yaffs_ChangeObjectName(obj, obj->myDev->unlinkedDir,
-+ _Y("unlinked"), 0, 0);
-+}
++ retVal = yaffs_change_obj_name(obj,parent, name, 0, 0);
- }
++ if (retVal == YAFFS_OK)
++ retVal = yaffs_generic_obj_del(hl);
- if (!in) {
- /* TODO Hoosterman we have a problem! */
@@ -12942,16 +13508,39 @@
- TENDSTR), tags.objectId, chunk));
- continue;
- }
-+static int yaffs_UnlinkObject(yaffs_Object *obj)
-+{
++ return retVal;
- if (in->valid) {
- /* We have already filled this one.
- * We have a duplicate that will be discarded, but
- * we first have to suck out resize info if it is a file.
- */
-+ if (obj && obj->unlinkAllowed)
-+ return yaffs_UnlinkWorker(obj);
++ } else if (immediateDeletion) {
++ switch (obj->variant_type) {
++ case YAFFS_OBJECT_TYPE_FILE:
++ return yaffs_del_file(obj);
++ break;
++ case YAFFS_OBJECT_TYPE_DIRECTORY:
++ ylist_del_init(&obj->variant.dir_variant.dirty);
++ return yaffs_del_dir(obj);
++ break;
++ case YAFFS_OBJECT_TYPE_SYMLINK:
++ return yaffs_del_symlink(obj);
++ break;
++ case YAFFS_OBJECT_TYPE_SPECIAL:
++ return yaffs_generic_obj_del(obj);
++ break;
++ case YAFFS_OBJECT_TYPE_HARDLINK:
++ case YAFFS_OBJECT_TYPE_UNKNOWN:
++ default:
++ return YAFFS_FAIL;
++ }
++ } else if(yaffs_is_non_empty_dir(obj))
++ return YAFFS_FAIL;
++ else
++ return yaffs_change_obj_name(obj, obj->my_dev->unlinked_dir,
++ _Y("unlinked"), 0, 0);
++}
- if ((in->variantType == YAFFS_OBJECT_TYPE_FILE) &&
- ((oh &&
@@ -12970,7 +13559,6 @@
- isShrink =
- (oh) ? oh->isShrink : tags.
- extraIsShrinkHeader;
-+ return YAFFS_FAIL;
- /* If it is deleted (unlinked at start also means deleted)
- * we treat the file size as being zeroed at this point.
@@ -12982,10 +13570,8 @@
- thisSize = 0;
- isShrink = 1;
- }
-+}
-+int yaffs_Unlink(yaffs_Object *dir, const YCHAR *name)
++static int yaffs_unlink_obj(yaffs_obj_t *obj)
+{
-+ yaffs_Object *obj;
- if (isShrink &&
- in->variant.fileVariant.
@@ -12994,27 +13580,25 @@
- shrinkSize =
- thisSize;
- }
-+ obj = yaffs_FindObjectByName(dir, name);
-+ return yaffs_UnlinkObject(obj);
-+}
++ if (obj && obj->unlink_allowed)
++ return yaffs_unlink_worker(obj);
- if (isShrink)
- bi->hasShrinkHeader = 1;
-+/*----------------------- Initialisation Scanning ---------------------- */
++ return YAFFS_FAIL;
- }
- /* Use existing - destroy this one. */
- yaffs_DeleteChunk(dev, chunk, 1, __LINE__);
-+void yaffs_HandleShadowedObject(yaffs_Device *dev, int objId,
-+ int backwardScanning)
++}
++int yaffs_unlinker(yaffs_obj_t *dir, const YCHAR *name)
+{
-+ yaffs_Object *obj;
++ yaffs_obj_t *obj;
- }
-+ if (!backwardScanning) {
-+ /* Handle YAFFS1 forward scanning case
-+ * For YAFFS1 we always do the deletion
-+ */
++ obj = yaffs_find_by_name(dir, name);
++ return yaffs_unlink_obj(obj);
++}
- if (!in->valid && in->variantType !=
- (oh ? oh->type : tags.extraObjectType))
@@ -13033,29 +13617,14 @@
- YAFFS_OBJECTID_LOSTNFOUND)) {
- /* We only load some info, don't fiddle with directory structure */
- in->valid = 1;
-+ } else {
-+ /* Handle YAFFS2 case (backward scanning)
-+ * If the shadowed object exists then ignore.
-+ */
-+ obj = yaffs_FindObjectByNumber(dev, objId);
-+ if(obj)
-+ return;
-+ }
++/*----------------------- Initialisation Scanning ---------------------- */
- if (oh) {
- in->variantType = oh->type;
-+ /* Let's create it (if it does not exist) assuming it is a file so that it can do shrinking etc.
-+ * We put it in unlinked dir to be cleaned up after the scanning
-+ */
-+ obj =
-+ yaffs_FindOrCreateObjectByNumber(dev, objId,
-+ YAFFS_OBJECT_TYPE_FILE);
-+ if (!obj)
-+ return;
-+ obj->isShadowed = 1;
-+ yaffs_AddObjectToDirectory(dev->unlinkedDir, obj);
-+ obj->variant.fileVariant.shrinkSize = 0;
-+ obj->valid = 1; /* So that we don't read any other info for this file */
++void yaffs_handle_shadowed_obj(yaffs_dev_t *dev, int obj_id,
++ int backward_scanning)
++{
++ yaffs_obj_t *obj;
- in->yst_mode = oh->yst_mode;
-#ifdef CONFIG_YAFFS_WINCE
@@ -13072,44 +13641,52 @@
- in->yst_mtime = oh->yst_mtime;
- in->yst_ctime = oh->yst_ctime;
- in->yst_rdev = oh->yst_rdev;
-+}
++ if (!backward_scanning) {
++ /* Handle YAFFS1 forward scanning case
++ * For YAFFS1 we always do the deletion
++ */
-#endif
- } else {
- in->variantType = tags.extraObjectType;
- in->lazyLoaded = 1;
- }
++ } else {
++ /* Handle YAFFS2 case (backward scanning)
++ * If the shadowed object exists then ignore.
++ */
++ obj = yaffs_find_by_number(dev, obj_id);
++ if(obj)
++ return;
++ }
- in->hdrChunk = chunk;
-+void yaffs_HardlinkFixup(yaffs_Device *dev, yaffs_Object *hardList)
-+{
-+ yaffs_Object *hl;
-+ yaffs_Object *in;
++ /* Let's create it (if it does not exist) assuming it is a file so that it can do shrinking etc.
++ * We put it in unlinked dir to be cleaned up after the scanning
++ */
++ obj =
++ yaffs_find_or_create_by_number(dev, obj_id,
++ YAFFS_OBJECT_TYPE_FILE);
++ if (!obj)
++ return;
++ obj->is_shadowed = 1;
++ yaffs_add_obj_to_dir(dev->unlinked_dir, obj);
++ obj->variant.file_variant.shrink_size = 0;
++ obj->valid = 1; /* So that we don't read any other info for this file */
- } else if (!in->valid) {
- /* we need to load this info */
-+ while (hardList) {
-+ hl = hardList;
-+ hardList = (yaffs_Object *) (hardList->hardLinks.next);
++}
- in->valid = 1;
- in->hdrChunk = chunk;
-+ in = yaffs_FindObjectByNumber(dev,
-+ hl->variant.hardLinkVariant.
-+ equivalentObjectId);
- if (oh) {
- in->variantType = oh->type;
-+ if (in) {
-+ /* Add the hardlink pointers */
-+ hl->variant.hardLinkVariant.equivalentObject = in;
-+ ylist_add(&hl->hardLinks, &in->hardLinks);
-+ } else {
-+ /* Todo Need to report/handle this better.
-+ * Got a problem... hardlink to a non-existant object
-+ */
-+ hl->variant.hardLinkVariant.equivalentObject = NULL;
-+ YINIT_LIST_HEAD(&hl->hardLinks);
++void yaffs_link_fixup(yaffs_dev_t *dev, yaffs_obj_t *hard_list)
++{
++ yaffs_obj_t *hl;
++ yaffs_obj_t *in;
- in->yst_mode = oh->yst_mode;
-#ifdef CONFIG_YAFFS_WINCE
@@ -13127,9 +13704,13 @@
- in->yst_ctime = oh->yst_ctime;
- in->yst_rdev = oh->yst_rdev;
-#endif
-+ }
-+ }
-+}
++ while (hard_list) {
++ hl = hard_list;
++ hard_list = (yaffs_obj_t *) (hard_list->hard_links.next);
++
++ in = yaffs_find_by_number(dev,
++ hl->variant.hardlink_variant.
++ equiv_id);
- if (oh->shadowsObject > 0)
- yaffs_HandleShadowedObject(dev,
@@ -13147,6 +13728,16 @@
- fileSize = oh->fileSize;
- isShrink = oh->isShrink;
- equivalentObjectId = oh->equivalentObjectId;
++ if (in) {
++ /* Add the hardlink pointers */
++ hl->variant.hardlink_variant.equiv_obj = in;
++ ylist_add(&hl->hard_links, &in->hard_links);
++ } else {
++ /* Todo Need to report/handle this better.
++ * Got a problem... hardlink to a non-existant object
++ */
++ hl->variant.hardlink_variant.equiv_obj = NULL;
++ YINIT_LIST_HEAD(&hl->hard_links);
- } else {
- in->variantType = tags.extraObjectType;
@@ -13158,41 +13749,29 @@
- isShrink = tags.extraIsShrinkHeader;
- equivalentObjectId = tags.extraEquivalentObjectId;
- in->lazyLoaded = 1;
-+static void yaffs_StripDeletedObjects(yaffs_Device *dev)
++ }
++ }
++}
+
+- }
+- in->dirty = 0;
+
+- if (!parent)
+- alloc_failed = 1;
++static void yaffs_strip_deleted_objs(yaffs_dev_t *dev)
+{
+ /*
+ * Sort out state of unlinked and deleted objects after scanning.
+ */
+ struct ylist_head *i;
+ struct ylist_head *n;
-+ yaffs_Object *l;
-
-- }
-- in->dirty = 0;
-+ if (dev->readOnly)
-+ return;
-
-- if (!parent)
-- alloc_failed = 1;
-+ /* Soft delete all the unlinked files */
-+ ylist_for_each_safe(i, n,
-+ &dev->unlinkedDir->variant.directoryVariant.children) {
-+ if (i) {
-+ l = ylist_entry(i, yaffs_Object, siblings);
-+ yaffs_DeleteObject(l);
-+ }
-+ }
++ yaffs_obj_t *l;
- /* directory stuff...
- * hook up to parent
- */
-+ ylist_for_each_safe(i, n,
-+ &dev->deletedDir->variant.directoryVariant.children) {
-+ if (i) {
-+ l = ylist_entry(i, yaffs_Object, siblings);
-+ yaffs_DeleteObject(l);
-+ }
-+ }
++ if (dev->read_only)
++ return;
- if (parent && parent->variantType ==
- YAFFS_OBJECT_TYPE_UNKNOWN) {
@@ -13207,7 +13786,14 @@
- /* Hoosterman, another problem....
- * We're trying to use a non-directory as a directory
- */
-+}
++ /* Soft delete all the unlinked files */
++ ylist_for_each_safe(i, n,
++ &dev->unlinked_dir->variant.dir_variant.children) {
++ if (i) {
++ l = ylist_entry(i, yaffs_obj_t, siblings);
++ yaffs_del_obj(l);
++ }
++ }
- T(YAFFS_TRACE_ERROR,
- (TSTR
@@ -13215,6 +13801,19 @@
- TENDSTR)));
- parent = dev->lostNFoundDir;
- }
++ ylist_for_each_safe(i, n,
++ &dev->del_dir->variant.dir_variant.children) {
++ if (i) {
++ l = ylist_entry(i, yaffs_obj_t, siblings);
++ yaffs_del_obj(l);
++ }
++ }
+
+- yaffs_AddObjectToDirectory(parent, in);
++}
+
+- itsUnlinked = (parent == dev->deletedDir) ||
+- (parent == dev->unlinkedDir);
+/*
+ * This code iterates through all the objects making sure that they are rooted.
+ * Any unrooted objects are re-rooted in lost+found.
@@ -13225,70 +13824,42 @@
+ * Note:
+ * This code assumes that we don't ever change the current relationships between
+ * directories:
-+ * rootDir->parent == unlinkedDir->parent == deletedDir->parent == NULL
-+ * lostNfound->parent == rootDir
++ * root_dir->parent == unlinked_dir->parent == del_dir->parent == NULL
++ * lostNfound->parent == root_dir
+ *
+ * This fixes the problem where directories might have inadvertently been deleted
+ * leaving the object "hanging" without being rooted in the directory tree.
+ */
+
-+static int yaffs_HasNULLParent(yaffs_Device *dev, yaffs_Object *obj)
++static int yaffs_has_null_parent(yaffs_dev_t *dev, yaffs_obj_t *obj)
+{
-+ return (obj == dev->deletedDir ||
-+ obj == dev->unlinkedDir||
-+ obj == dev->rootDir);
++ return (obj == dev->del_dir ||
++ obj == dev->unlinked_dir||
++ obj == dev->root_dir);
+}
-- yaffs_AddObjectToDirectory(parent, in);
-+static void yaffs_FixHangingObjects(yaffs_Device *dev)
+- if (isShrink) {
+- /* Mark the block as having a shrinkHeader */
+- bi->hasShrinkHeader = 1;
+- }
++static void yaffs_fix_hanging_objs(yaffs_dev_t *dev)
+{
-+ yaffs_Object *obj;
-+ yaffs_Object *parent;
++ yaffs_obj_t *obj;
++ yaffs_obj_t *parent;
+ int i;
+ struct ylist_head *lh;
+ struct ylist_head *n;
+ int depthLimit;
+ int hanging;
-- itsUnlinked = (parent == dev->deletedDir) ||
-- (parent == dev->unlinkedDir);
-+ if (dev->readOnly)
-+ return;
-
-- if (isShrink) {
-- /* Mark the block as having a shrinkHeader */
-- bi->hasShrinkHeader = 1;
-- }
-+ /* Iterate through the objects in each hash entry,
-+ * looking at each object.
-+ * Make sure it is rooted.
-+ */
-
- /* Note re hardlinks.
- * Since we might scan a hardlink before its equivalent object is scanned
- * we put them all in a list.
- * After scanning is complete, we should have all the objects, so we run
- * through this list and fix up all the chains.
-+ for (i = 0; i < YAFFS_NOBJECT_BUCKETS; i++) {
-+ ylist_for_each_safe(lh, n, &dev->objectBucket[i].list) {
-+ if (lh) {
-+ obj = ylist_entry(lh, yaffs_Object, hashLink);
-+ parent= obj->parent;
-+
-+ if(yaffs_HasNULLParent(dev,obj)){
-+ /* These directories are not hanging */
-+ hanging = 0;
-+ }
-+ else if(!parent || parent->variantType != YAFFS_OBJECT_TYPE_DIRECTORY)
-+ hanging = 1;
-+ else if(yaffs_HasNULLParent(dev,parent))
-+ hanging = 0;
-+ else {
-+ /*
-+ * Need to follow the parent chain to see if it is hanging.
- */
-+ hanging = 0;
-+ depthLimit=100;
+- */
++ if (dev->read_only)
++ return;
- switch (in->variantType) {
- case YAFFS_OBJECT_TYPE_UNKNOWN:
@@ -13307,12 +13878,36 @@
- in->variant.fileVariant.scannedFileSize =
- in->variant.fileVariant.fileSize;
- }
--
++ /* Iterate through the objects in each hash entry,
++ * looking at each object.
++ * Make sure it is rooted.
++ */
+
- if (isShrink &&
- in->variant.fileVariant.shrinkSize > fileSize) {
- in->variant.fileVariant.shrinkSize = fileSize;
- }
--
++ for (i = 0; i < YAFFS_NOBJECT_BUCKETS; i++) {
++ ylist_for_each_safe(lh, n, &dev->obj_bucket[i].list) {
++ if (lh) {
++ obj = ylist_entry(lh, yaffs_obj_t, hash_link);
++ parent= obj->parent;
++
++ if(yaffs_has_null_parent(dev,obj)){
++ /* These directories are not hanging */
++ hanging = 0;
++ }
++ else if(!parent || parent->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY)
++ hanging = 1;
++ else if(yaffs_has_null_parent(dev,parent))
++ hanging = 0;
++ else {
++ /*
++ * Need to follow the parent chain to see if it is hanging.
++ */
++ hanging = 0;
++ depthLimit=100;
+
- break;
- case YAFFS_OBJECT_TYPE_HARDLINK:
- if (!itsUnlinked) {
@@ -13337,22 +13932,22 @@
- alloc_failed = 1;
- }
- break;
-+ while(parent != dev->rootDir &&
++ while(parent != dev->root_dir &&
+ parent->parent &&
-+ parent->parent->variantType == YAFFS_OBJECT_TYPE_DIRECTORY &&
++ parent->parent->variant_type == YAFFS_OBJECT_TYPE_DIRECTORY &&
+ depthLimit > 0){
+ parent = parent->parent;
+ depthLimit--;
}
-
-+ if(parent != dev->rootDir)
++ if(parent != dev->root_dir)
+ hanging = 1;
+ }
+ if(hanging){
+ T(YAFFS_TRACE_SCAN,
+ (TSTR("Hanging object %d moved to lost and found" TENDSTR),
-+ obj->objectId));
-+ yaffs_AddObjectToDirectory(dev->lostNFoundDir,obj);
++ obj->obj_id));
++ yaffs_add_obj_to_dir(dev->lost_n_found,obj);
}
-
}
@@ -13369,25 +13964,25 @@
+/*
+ * Delete directory contents for cleaning up lost and found.
+ */
-+static void yaffs_DeleteDirectoryContents(yaffs_Object *dir)
++static void yaffs_del_dir_contents(yaffs_obj_t *dir)
+{
-+ yaffs_Object *obj;
++ yaffs_obj_t *obj;
+ struct ylist_head *lh;
+ struct ylist_head *n;
- bi->blockState = state;
-+ if(dir->variantType != YAFFS_OBJECT_TYPE_DIRECTORY)
++ if(dir->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY)
+ YBUG();
+
-+ ylist_for_each_safe(lh, n, &dir->variant.directoryVariant.children) {
++ ylist_for_each_safe(lh, n, &dir->variant.dir_variant.children) {
+ if (lh) {
-+ obj = ylist_entry(lh, yaffs_Object, siblings);
-+ if(obj->variantType == YAFFS_OBJECT_TYPE_DIRECTORY)
-+ yaffs_DeleteDirectoryContents(obj);
++ obj = ylist_entry(lh, yaffs_obj_t, siblings);
++ if(obj->variant_type == YAFFS_OBJECT_TYPE_DIRECTORY)
++ yaffs_del_dir_contents(obj);
+
+ T(YAFFS_TRACE_SCAN,
+ (TSTR("Deleting lost_found object %d" TENDSTR),
-+ obj->objectId));
++ obj->obj_id));
- /* Now let's see if it was dirty */
- if (bi->pagesInUse == 0 &&
@@ -13397,7 +13992,7 @@
+ /* Need to use UnlinkObject since Delete would not handle
+ * hardlinked objects correctly.
+ */
-+ yaffs_UnlinkObject(obj);
++ yaffs_unlink_obj(obj);
}
-
}
@@ -13408,9 +14003,9 @@
- YFREE_ALT(blockIndex);
- else
- YFREE(blockIndex);
-+static void yaffs_EmptyLostAndFound(yaffs_Device *dev)
++static void yaffs_empty_l_n_f(yaffs_dev_t *dev)
+{
-+ yaffs_DeleteDirectoryContents(dev->lostNFoundDir);
++ yaffs_del_dir_contents(dev->lost_n_found);
+}
- /* Ok, we've done all the scanning.
@@ -13419,12 +14014,12 @@
- * hardlinks.
- */
- yaffs_HardlinkFixup(dev, hardList);
-+static void yaffs_CheckObjectDetailsLoaded(yaffs_Object *in)
++static void yaffs_check_obj_details_loaded(yaffs_obj_t *in)
+{
+ __u8 *chunkData;
-+ yaffs_ObjectHeader *oh;
-+ yaffs_Device *dev;
-+ yaffs_ExtendedTags tags;
++ yaffs_obj_header *oh;
++ yaffs_dev_t *dev;
++ yaffs_ext_tags tags;
+ int result;
+ int alloc_failed = 0;
@@ -13432,25 +14027,25 @@
+ return;
- yaffs_ReleaseTempBuffer(dev, chunkData, __LINE__);
-+ dev = in->myDev;
++ dev = in->my_dev;
- if (alloc_failed)
- return YAFFS_FAIL;
+#if 0
+ T(YAFFS_TRACE_SCAN, (TSTR("details for object %d %s loaded" TENDSTR),
-+ in->objectId,
-+ in->lazyLoaded ? "not yet" : "already"));
++ in->obj_id,
++ in->lazy_loaded ? "not yet" : "already"));
+#endif
- T(YAFFS_TRACE_SCAN, (TSTR("yaffs_ScanBackwards ends" TENDSTR)));
-+ if (in->lazyLoaded && in->hdrChunk > 0) {
-+ in->lazyLoaded = 0;
-+ chunkData = yaffs_GetTempBuffer(dev, __LINE__);
++ if (in->lazy_loaded && in->hdr_chunk > 0) {
++ in->lazy_loaded = 0;
++ chunkData = yaffs_get_temp_buffer(dev, __LINE__);
- return YAFFS_OK;
-}
-+ result = yaffs_ReadChunkWithTagsFromNAND(dev, in->hdrChunk, chunkData, &tags);
-+ oh = (yaffs_ObjectHeader *) chunkData;
++ result = yaffs_rd_chunk_tags_nand(dev, in->hdr_chunk, chunkData, &tags);
++ oh = (yaffs_obj_header *) chunkData;
-/*------------------------------ Directory Functions ----------------------------- */
+ in->yst_mode = oh->yst_mode;
@@ -13474,13 +14069,13 @@
- struct ylist_head *lh;
- yaffs_Object *listObj;
+#endif
-+ yaffs_SetObjectNameFromOH(in, oh);
++ yaffs_set_obj_name_from_oh(in, oh);
- int count = 0;
-+ if (in->variantType == YAFFS_OBJECT_TYPE_SYMLINK) {
-+ in->variant.symLinkVariant.alias =
-+ yaffs_CloneString(oh->alias);
-+ if (!in->variant.symLinkVariant.alias)
++ if (in->variant_type == YAFFS_OBJECT_TYPE_SYMLINK) {
++ in->variant.symlink_variant.alias =
++ yaffs_clone_str(oh->alias);
++ if (!in->variant.symlink_variant.alias)
+ alloc_failed = 1; /* Not returned to caller */
+ }
@@ -13488,7 +14083,7 @@
- T(YAFFS_TRACE_ALWAYS, (TSTR("No object to verify" TENDSTR)));
- YBUG();
- return;
-+ yaffs_ReleaseTempBuffer(dev, chunkData, __LINE__);
++ yaffs_release_temp_buffer(dev, chunkData, __LINE__);
}
+}
@@ -13500,7 +14095,7 @@
- T(YAFFS_TRACE_ALWAYS, (TSTR("Object does not have parent" TENDSTR)));
- YBUG();
+/*
-+ *yaffs_UpdateParent() handles fixing a directories mtime and ctime when a new
++ *yaffs_update_parent() handles fixing a directories mtime and ctime when a new
+ * link (ie. name) is created or deleted in the directory.
+ *
+ * ie.
@@ -13511,13 +14106,13 @@
+ * This can be handled immediately or defered. Defering helps reduce the number
+ * of updates when many files in a directory are changed within a brief period.
+ *
-+ * If the directory updating is defered then yaffs_UpdateDirtyDirecories must be
++ * If the directory updating is defered then yaffs_update_dirty_dirs must be
+ * called periodically.
+ */
+
-+static void yaffs_UpdateParent(yaffs_Object *obj)
++static void yaffs_update_parent(yaffs_obj_t *obj)
+{
-+ yaffs_Device *dev;
++ yaffs_dev_t *dev;
+ if(!obj)
return;
- }
@@ -13536,15 +14131,15 @@
- yaffs_VerifyObject(listObj);
- if (obj == listObj)
- count++;
-+ dev = obj->myDev;
++ dev = obj->my_dev;
+ obj->dirty = 1;
+ obj->yst_mtime = obj->yst_ctime = Y_CURRENT_TIME;
-+ if(dev->param.deferDirectoryUpdate){
-+ struct ylist_head *link = &obj->variant.directoryVariant.dirty;
++ if(dev->param.defered_dir_update){
++ struct ylist_head *link = &obj->variant.dir_variant.dirty;
+
+ if(ylist_empty(link)){
-+ ylist_add(link,&dev->dirtyDirectories);
-+ T(YAFFS_TRACE_BACKGROUND, (TSTR("Added object %d to dirty directories" TENDSTR),obj->objectId));
++ ylist_add(link,&dev->dirty_dirs);
++ T(YAFFS_TRACE_BACKGROUND, (TSTR("Added object %d to dirty directories" TENDSTR),obj->obj_id));
}
- }
@@ -13553,12 +14148,12 @@
- YBUG();
- }
+ } else
-+ yaffs_UpdateObjectHeader(obj, NULL, 0, 0, 0, NULL);
++ yaffs_update_oh(obj, NULL, 0, 0, 0, NULL);
+#endif
}
-static void yaffs_VerifyDirectory(yaffs_Object *directory)
-+void yaffs_UpdateDirtyDirectories(yaffs_Device *dev)
++void yaffs_update_dirty_dirs(yaffs_dev_t *dev)
{
- struct ylist_head *lh;
- yaffs_Object *listObj;
@@ -13568,9 +14163,9 @@
- return;
- }
+ struct ylist_head *link;
-+ yaffs_Object *obj;
-+ yaffs_DirectoryStructure *dS;
-+ yaffs_ObjectVariant *oV;
++ yaffs_obj_t *obj;
++ yaffs_dir_s *dS;
++ yaffs_obj_variant *oV;
- if (yaffs_SkipFullVerification(directory->myDev))
- return;
@@ -13580,16 +14175,16 @@
- T(YAFFS_TRACE_ALWAYS, (TSTR("Directory has wrong type: %d" TENDSTR), directory->variantType));
- YBUG();
- }
-+ while(!ylist_empty(&dev->dirtyDirectories)){
-+ link = dev->dirtyDirectories.next;
++ while(!ylist_empty(&dev->dirty_dirs)){
++ link = dev->dirty_dirs.next;
+ ylist_del_init(link);
+
-+ dS=ylist_entry(link,yaffs_DirectoryStructure,dirty);
-+ oV = ylist_entry(dS,yaffs_ObjectVariant,directoryVariant);
-+ obj = ylist_entry(oV,yaffs_Object,variant);
++ dS=ylist_entry(link,yaffs_dir_s,dirty);
++ oV = ylist_entry(dS,yaffs_obj_variant,dir_variant);
++ obj = ylist_entry(oV,yaffs_obj_t,variant);
- /* Iterate through the objects in each hash entry */
-+ T(YAFFS_TRACE_BACKGROUND, (TSTR("Update directory %d" TENDSTR), obj->objectId));
++ T(YAFFS_TRACE_BACKGROUND, (TSTR("Update directory %d" TENDSTR), obj->obj_id));
- ylist_for_each(lh, &directory->variant.directoryVariant.children) {
- if (lh) {
@@ -13601,47 +14196,211 @@
- yaffs_VerifyObjectInDirectory(listObj);
- }
+ if(obj->dirty)
-+ yaffs_UpdateObjectHeader(obj, NULL, 0, 0, 0, NULL);
++ yaffs_update_oh(obj, NULL, 0, 0, 0, NULL);
}
}
-
- static void yaffs_RemoveObjectFromDirectory(yaffs_Object *obj)
+-static void yaffs_RemoveObjectFromDirectory(yaffs_Object *obj)
++static void yaffs_remove_obj_from_dir(yaffs_obj_t *obj)
{
- yaffs_Device *dev = obj->myDev;
-@@ -6677,18 +4474,17 @@ static void yaffs_RemoveObjectFromDirect
+- yaffs_Device *dev = obj->myDev;
+- yaffs_Object *parent;
++ yaffs_dev_t *dev = obj->my_dev;
++ yaffs_obj_t *parent;
- yaffs_VerifyDirectory(parent);
+- yaffs_VerifyObjectInDirectory(obj);
++ yaffs_verify_obj_in_dir(obj);
+ parent = obj->parent;
+
+- yaffs_VerifyDirectory(parent);
++ yaffs_verify_dir(parent);
- if (dev && dev->removeObjectCallback)
- dev->removeObjectCallback(obj);
-+ if (dev && dev->param.removeObjectCallback)
-+ dev->param.removeObjectCallback(obj);
++ if (dev && dev->param.remove_obj_fn)
++ dev->param.remove_obj_fn(obj);
ylist_del_init(&obj->siblings);
obj->parent = NULL;
-
+- yaffs_VerifyDirectory(parent);
+
- yaffs_VerifyDirectory(parent);
++ yaffs_verify_dir(parent);
}
-
-static void yaffs_AddObjectToDirectory(yaffs_Object *directory,
-+void yaffs_AddObjectToDirectory(yaffs_Object *directory,
- yaffs_Object *obj)
+- yaffs_Object *obj)
++void yaffs_add_obj_to_dir(yaffs_obj_t *directory,
++ yaffs_obj_t *obj)
{
if (!directory) {
-@@ -6781,7 +4577,7 @@ yaffs_Object *yaffs_FindObjectByName(yaf
+ T(YAFFS_TRACE_ALWAYS,
+@@ -6699,7 +4495,7 @@ static void yaffs_AddObjectToDirectory(y
+ YBUG();
+ return;
+ }
+- if (directory->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) {
++ if (directory->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) {
+ T(YAFFS_TRACE_ALWAYS,
+ (TSTR
+ ("tragedy: Trying to add an object to a non-directory"
+@@ -6713,27 +4509,27 @@ static void yaffs_AddObjectToDirectory(y
+ }
+
+
+- yaffs_VerifyDirectory(directory);
++ yaffs_verify_dir(directory);
+
+- yaffs_RemoveObjectFromDirectory(obj);
++ yaffs_remove_obj_from_dir(obj);
+
+
+ /* Now add it */
+- ylist_add(&obj->siblings, &directory->variant.directoryVariant.children);
++ ylist_add(&obj->siblings, &directory->variant.dir_variant.children);
+ obj->parent = directory;
+
+- if (directory == obj->myDev->unlinkedDir
+- || directory == obj->myDev->deletedDir) {
++ if (directory == obj->my_dev->unlinked_dir
++ || directory == obj->my_dev->del_dir) {
+ obj->unlinked = 1;
+- obj->myDev->nUnlinkedFiles++;
+- obj->renameAllowed = 0;
++ obj->my_dev->n_unlinked_files++;
++ obj->rename_allowed = 0;
+ }
+
+- yaffs_VerifyDirectory(directory);
+- yaffs_VerifyObjectInDirectory(obj);
++ yaffs_verify_dir(directory);
++ yaffs_verify_obj_in_dir(obj);
+ }
+
+-yaffs_Object *yaffs_FindObjectByName(yaffs_Object *directory,
++yaffs_obj_t *yaffs_find_by_name(yaffs_obj_t *directory,
+ const YCHAR *name)
+ {
+ int sum;
+@@ -6741,7 +4537,7 @@ yaffs_Object *yaffs_FindObjectByName(yaf
+ struct ylist_head *i;
+ YCHAR buffer[YAFFS_MAX_NAME_LENGTH + 1];
+
+- yaffs_Object *l;
++ yaffs_obj_t *l;
+
+ if (!name)
+ return NULL;
+@@ -6749,39 +4545,39 @@ yaffs_Object *yaffs_FindObjectByName(yaf
+ if (!directory) {
+ T(YAFFS_TRACE_ALWAYS,
+ (TSTR
+- ("tragedy: yaffs_FindObjectByName: null pointer directory"
++ ("tragedy: yaffs_find_by_name: null pointer directory"
+ TENDSTR)));
+ YBUG();
+ return NULL;
+ }
+- if (directory->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) {
++ if (directory->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) {
+ T(YAFFS_TRACE_ALWAYS,
+ (TSTR
+- ("tragedy: yaffs_FindObjectByName: non-directory" TENDSTR)));
++ ("tragedy: yaffs_find_by_name: non-directory" TENDSTR)));
+ YBUG();
+ }
+
+- sum = yaffs_CalcNameSum(name);
++ sum = yaffs_calc_name_sum(name);
+
+- ylist_for_each(i, &directory->variant.directoryVariant.children) {
++ ylist_for_each(i, &directory->variant.dir_variant.children) {
+ if (i) {
+- l = ylist_entry(i, yaffs_Object, siblings);
++ l = ylist_entry(i, yaffs_obj_t, siblings);
+
+ if (l->parent != directory)
+ YBUG();
+
+- yaffs_CheckObjectDetailsLoaded(l);
++ yaffs_check_obj_details_loaded(l);
+
+ /* Special case for lost-n-found */
+- if (l->objectId == YAFFS_OBJECTID_LOSTNFOUND) {
++ if (l->obj_id == YAFFS_OBJECTID_LOSTNFOUND) {
+ if (yaffs_strcmp(name, YAFFS_LOSTNFOUND_NAME) == 0)
+ return l;
+- } else if (yaffs_SumCompare(l->sum, sum) || l->hdrChunk <= 0) {
++ } else if (yaffs_sum_cmp(l->sum, sum) || l->hdr_chunk <= 0) {
+ /* LostnFound chunk called Objxxx
* Do a real check
*/
- yaffs_GetObjectName(l, buffer,
+- yaffs_GetObjectName(l, buffer,
- YAFFS_MAX_NAME_LENGTH);
++ yaffs_get_obj_name(l, buffer,
+ YAFFS_MAX_NAME_LENGTH + 1);
if (yaffs_strncmp(name, buffer, YAFFS_MAX_NAME_LENGTH) == 0)
return l;
}
-@@ -6842,36 +4638,124 @@ yaffs_Object *yaffs_GetEquivalentObject(
+@@ -6793,31 +4589,31 @@ yaffs_Object *yaffs_FindObjectByName(yaf
+
+
+ #if 0
+-int yaffs_ApplyToDirectoryChildren(yaffs_Object *theDir,
+- int (*fn) (yaffs_Object *))
++int yaffs_ApplyToDirectoryChildren(yaffs_obj_t *the_dir,
++ int (*fn) (yaffs_obj_t *))
+ {
+ struct ylist_head *i;
+- yaffs_Object *l;
++ yaffs_obj_t *l;
+
+- if (!theDir) {
++ if (!the_dir) {
+ T(YAFFS_TRACE_ALWAYS,
+ (TSTR
+- ("tragedy: yaffs_FindObjectByName: null pointer directory"
++ ("tragedy: yaffs_find_by_name: null pointer directory"
+ TENDSTR)));
+ YBUG();
+ return YAFFS_FAIL;
+ }
+- if (theDir->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) {
++ if (the_dir->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) {
+ T(YAFFS_TRACE_ALWAYS,
+ (TSTR
+- ("tragedy: yaffs_FindObjectByName: non-directory" TENDSTR)));
++ ("tragedy: yaffs_find_by_name: non-directory" TENDSTR)));
+ YBUG();
+ return YAFFS_FAIL;
+ }
+
+- ylist_for_each(i, &theDir->variant.directoryVariant.children) {
++ ylist_for_each(i, &the_dir->variant.dir_variant.children) {
+ if (i) {
+- l = ylist_entry(i, yaffs_Object, siblings);
++ l = ylist_entry(i, yaffs_obj_t, siblings);
+ if (l && !fn(l))
+ return YAFFS_FAIL;
+ }
+@@ -6832,82 +4628,175 @@ int yaffs_ApplyToDirectoryChildren(yaffs
+ * actual object.
+ */
+
+-yaffs_Object *yaffs_GetEquivalentObject(yaffs_Object *obj)
++yaffs_obj_t *yaffs_get_equivalent_obj(yaffs_obj_t *obj)
+ {
+- if (obj && obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK) {
++ if (obj && obj->variant_type == YAFFS_OBJECT_TYPE_HARDLINK) {
+ /* We want the object id of the equivalent object, not this one */
+- obj = obj->variant.hardLinkVariant.equivalentObject;
+- yaffs_CheckObjectDetailsLoaded(obj);
++ obj = obj->variant.hardlink_variant.equiv_obj;
++ yaffs_check_obj_details_loaded(obj);
+ }
return obj;
}
@@ -13672,14 +14431,15 @@
- yaffs_strncpy(name, YAFFS_LOSTNFOUND_NAME, buffSize - 1);
- } else if (obj->hdrChunk <= 0) {
+ */
-+static void yaffs_FixNullName(yaffs_Object * obj,YCHAR * name, int buffSize)
++static void yaffs_fix_null_name(yaffs_obj_t * obj,YCHAR * name, int buffer_size)
+{
+ /* Create an object name if we could not find one. */
+ if(yaffs_strnlen(name,YAFFS_MAX_NAME_LENGTH) == 0){
YCHAR locName[20];
YCHAR numString[20];
YCHAR *x = &numString[19];
- unsigned v = obj->objectId;
+- unsigned v = obj->objectId;
++ unsigned v = obj->obj_id;
numString[19] = 0;
- while (v > 0) {
+ while(v>0){
@@ -13690,15 +14450,16 @@
/* make up a name */
yaffs_strcpy(locName, YAFFS_LOSTNFOUND_PREFIX);
- yaffs_strcat(locName, x);
+- yaffs_strncpy(name, locName, buffSize - 1);
+ yaffs_strcat(locName,x);
- yaffs_strncpy(name, locName, buffSize - 1);
++ yaffs_strncpy(name, locName, buffer_size - 1);
+ }
+}
+
-+static void yaffs_LoadNameFromObjectHeader(yaffs_Device *dev,YCHAR *name, const YCHAR *ohName, int bufferSize)
++static void yaffs_load_name_from_oh(yaffs_dev_t *dev,YCHAR *name, const YCHAR *ohName, int bufferSize)
+{
+#ifdef CONFIG_YAFFS_AUTO_UNICODE
-+ if(dev->param.autoUnicode){
++ if(dev->param.auto_unicode){
+ if(*ohName){
+ /* It is an ASCII name, so do an ASCII to unicode conversion */
+ const char *asciiOhName = (const char *)ohName;
@@ -13717,14 +14478,14 @@
+}
+
+
-+static void yaffs_LoadObjectHeaderFromName(yaffs_Device *dev, YCHAR *ohName, const YCHAR *name)
++static void yaffs_load_oh_from_name(yaffs_dev_t *dev, YCHAR *ohName, const YCHAR *name)
+{
+#ifdef CONFIG_YAFFS_AUTO_UNICODE
+
+ int isAscii;
+ YCHAR *w;
-
-+ if(dev->param.autoUnicode){
++
++ if(dev->param.auto_unicode){
+
+ isAscii = 1;
+ w = name;
@@ -13735,7 +14496,7 @@
+ isAscii = 0;
+ w++;
+ }
-+
+
+ if(isAscii){
+ /* It is an ASCII name, so do a unicode to ascii conversion */
+ char *asciiOhName = (char *)ohName;
@@ -13758,78 +14519,178 @@
+
+}
+
-+int yaffs_GetObjectName(yaffs_Object * obj, YCHAR * name, int buffSize)
++int yaffs_get_obj_name(yaffs_obj_t * obj, YCHAR * name, int buffer_size)
+{
-+ memset(name, 0, buffSize * sizeof(YCHAR));
++ memset(name, 0, buffer_size * sizeof(YCHAR));
+
-+ yaffs_CheckObjectDetailsLoaded(obj);
++ yaffs_check_obj_details_loaded(obj);
+
-+ if (obj->objectId == YAFFS_OBJECTID_LOSTNFOUND) {
-+ yaffs_strncpy(name, YAFFS_LOSTNFOUND_NAME, buffSize - 1);
++ if (obj->obj_id == YAFFS_OBJECTID_LOSTNFOUND) {
++ yaffs_strncpy(name, YAFFS_LOSTNFOUND_NAME, buffer_size - 1);
+ }
#ifdef CONFIG_YAFFS_SHORT_NAMES_IN_RAM
- else if (obj->shortName[0])
-+ else if (obj->shortName[0]) {
- yaffs_strcpy(name, obj->shortName);
+- yaffs_strcpy(name, obj->shortName);
++ else if (obj->short_name[0]) {
++ yaffs_strcpy(name, obj->short_name);
+ }
#endif
- else {
-+ else if(obj->hdrChunk > 0) {
++ else if(obj->hdr_chunk > 0) {
int result;
- __u8 *buffer = yaffs_GetTempBuffer(obj->myDev, __LINE__);
+- __u8 *buffer = yaffs_GetTempBuffer(obj->myDev, __LINE__);
++ __u8 *buffer = yaffs_get_temp_buffer(obj->my_dev, __LINE__);
-@@ -6884,14 +4768,17 @@ int yaffs_GetObjectName(yaffs_Object *ob
- obj->hdrChunk, buffer,
+- yaffs_ObjectHeader *oh = (yaffs_ObjectHeader *) buffer;
++ yaffs_obj_header *oh = (yaffs_obj_header *) buffer;
+
+- memset(buffer, 0, obj->myDev->nDataBytesPerChunk);
++ memset(buffer, 0, obj->my_dev->data_bytes_per_chunk);
+
+- if (obj->hdrChunk > 0) {
+- result = yaffs_ReadChunkWithTagsFromNAND(obj->myDev,
+- obj->hdrChunk, buffer,
++ if (obj->hdr_chunk > 0) {
++ result = yaffs_rd_chunk_tags_nand(obj->my_dev,
++ obj->hdr_chunk, buffer,
NULL);
}
- yaffs_strncpy(name, oh->name, buffSize - 1);
-+ yaffs_LoadNameFromObjectHeader(obj->myDev,name,oh->name,buffSize);
++ yaffs_load_name_from_oh(obj->my_dev,name,oh->name,buffer_size);
- yaffs_ReleaseTempBuffer(obj->myDev, buffer, __LINE__);
+- yaffs_ReleaseTempBuffer(obj->myDev, buffer, __LINE__);
++ yaffs_release_temp_buffer(obj->my_dev, buffer, __LINE__);
}
- return yaffs_strlen(name);
-+ yaffs_FixNullName(obj,name,buffSize);
++ yaffs_fix_null_name(obj,name,buffer_size);
+
+ return yaffs_strnlen(name,YAFFS_MAX_NAME_LENGTH);
}
+-int yaffs_GetObjectFileLength(yaffs_Object *obj)
+
- int yaffs_GetObjectFileLength(yaffs_Object *obj)
++int yaffs_get_obj_length(yaffs_obj_t *obj)
{
/* Dereference any hard linking */
-@@ -6899,9 +4786,11 @@ int yaffs_GetObjectFileLength(yaffs_Obje
+- obj = yaffs_GetEquivalentObject(obj);
++ obj = yaffs_get_equivalent_obj(obj);
- if (obj->variantType == YAFFS_OBJECT_TYPE_FILE)
- return obj->variant.fileVariant.fileSize;
+- if (obj->variantType == YAFFS_OBJECT_TYPE_FILE)
+- return obj->variant.fileVariant.fileSize;
- if (obj->variantType == YAFFS_OBJECT_TYPE_SYMLINK)
- return yaffs_strlen(obj->variant.symLinkVariant.alias);
- else {
-+ if (obj->variantType == YAFFS_OBJECT_TYPE_SYMLINK){
-+ if(!obj->variant.symLinkVariant.alias)
++ if (obj->variant_type == YAFFS_OBJECT_TYPE_FILE)
++ return obj->variant.file_variant.file_size;
++ if (obj->variant_type == YAFFS_OBJECT_TYPE_SYMLINK){
++ if(!obj->variant.symlink_variant.alias)
+ return 0;
-+ return yaffs_strnlen(obj->variant.symLinkVariant.alias,YAFFS_MAX_ALIAS_LENGTH);
++ return yaffs_strnlen(obj->variant.symlink_variant.alias,YAFFS_MAX_ALIAS_LENGTH);
+ } else {
/* Only a directory should drop through to here */
- return obj->myDev->nDataBytesPerChunk;
+- return obj->myDev->nDataBytesPerChunk;
++ return obj->my_dev->data_bytes_per_chunk;
}
-@@ -6992,7 +4881,7 @@ int yaffs_SetAttributes(yaffs_Object *ob
+ }
+
+-int yaffs_GetObjectLinkCount(yaffs_Object *obj)
++int yaffs_get_obj_link_count(yaffs_obj_t *obj)
+ {
+ int count = 0;
+ struct ylist_head *i;
+@@ -6915,24 +4804,24 @@ int yaffs_GetObjectLinkCount(yaffs_Objec
+ if (!obj->unlinked)
+ count++; /* the object itself */
+
+- ylist_for_each(i, &obj->hardLinks)
++ ylist_for_each(i, &obj->hard_links)
+ count++; /* add the hard links; */
+
+ return count;
+ }
+
+-int yaffs_GetObjectInode(yaffs_Object *obj)
++int yaffs_get_obj_inode(yaffs_obj_t *obj)
+ {
+- obj = yaffs_GetEquivalentObject(obj);
++ obj = yaffs_get_equivalent_obj(obj);
+
+- return obj->objectId;
++ return obj->obj_id;
+ }
+
+-unsigned yaffs_GetObjectType(yaffs_Object *obj)
++unsigned yaffs_get_obj_type(yaffs_obj_t *obj)
+ {
+- obj = yaffs_GetEquivalentObject(obj);
++ obj = yaffs_get_equivalent_obj(obj);
+
+- switch (obj->variantType) {
++ switch (obj->variant_type) {
+ case YAFFS_OBJECT_TYPE_FILE:
+ return DT_REG;
+ break;
+@@ -6960,18 +4849,18 @@ unsigned yaffs_GetObjectType(yaffs_Objec
+ }
+ }
+
+-YCHAR *yaffs_GetSymlinkAlias(yaffs_Object *obj)
++YCHAR *yaffs_get_symlink_alias(yaffs_obj_t *obj)
+ {
+- obj = yaffs_GetEquivalentObject(obj);
+- if (obj->variantType == YAFFS_OBJECT_TYPE_SYMLINK)
+- return yaffs_CloneString(obj->variant.symLinkVariant.alias);
++ obj = yaffs_get_equivalent_obj(obj);
++ if (obj->variant_type == YAFFS_OBJECT_TYPE_SYMLINK)
++ return yaffs_clone_str(obj->variant.symlink_variant.alias);
+ else
+- return yaffs_CloneString(_Y(""));
++ return yaffs_clone_str(_Y(""));
+ }
+
+ #ifndef CONFIG_YAFFS_WINCE
+
+-int yaffs_SetAttributes(yaffs_Object *obj, struct iattr *attr)
++int yaffs_set_attribs(yaffs_obj_t *obj, struct iattr *attr)
+ {
+ unsigned int valid = attr->ia_valid;
+
+@@ -6990,14 +4879,14 @@ int yaffs_SetAttributes(yaffs_Object *ob
+ obj->yst_mtime = Y_TIME_CONVERT(attr->ia_mtime);
+
if (valid & ATTR_SIZE)
- yaffs_ResizeFile(obj, attr->ia_size);
+- yaffs_ResizeFile(obj, attr->ia_size);
++ yaffs_resize_file(obj, attr->ia_size);
- yaffs_UpdateObjectHeader(obj, NULL, 1, 0, 0);
-+ yaffs_UpdateObjectHeader(obj, NULL, 1, 0, 0, NULL);
++ yaffs_update_oh(obj, NULL, 1, 0, 0, NULL);
return YAFFS_OK;
-@@ -7025,12 +4914,129 @@ int yaffs_GetAttributes(yaffs_Object *ob
+ }
+-int yaffs_GetAttributes(yaffs_Object *obj, struct iattr *attr)
++int yaffs_get_attribs(yaffs_obj_t *obj, struct iattr *attr)
+ {
+ unsigned int valid = 0;
+
+@@ -7015,7 +4904,7 @@ int yaffs_GetAttributes(yaffs_Object *ob
+ Y_TIME_CONVERT(attr->ia_mtime) = obj->yst_mtime;
+ valid |= ATTR_MTIME;
+
+- attr->ia_size = yaffs_GetFileSize(obj);
++ attr->ia_size = yaffs_get_file_size(obj);
+ valid |= ATTR_SIZE;
+
+ attr->ia_valid = valid;
+@@ -7025,20 +4914,137 @@ int yaffs_GetAttributes(yaffs_Object *ob
#endif
+
-+static int yaffs_DoXMod(yaffs_Object *obj, int set, const YCHAR *name, const void *value, int size, int flags)
++static int yaffs_do_xattrib_mod(yaffs_obj_t *obj, int set, const YCHAR *name, const void *value, int size, int flags)
+{
-+ yaffs_XAttrMod xmod;
++ yaffs_xattr_mod xmod;
+
+ int result;
+
@@ -13840,7 +14701,7 @@
+ xmod.flags = flags;
+ xmod.result = -ENOSPC;
+
-+ result = yaffs_UpdateObjectHeader(obj, NULL, 0, 0, 0, &xmod);
++ result = yaffs_update_oh(obj, NULL, 0, 0, 0, &xmod);
+
+ if(result > 0)
+ return xmod.result;
@@ -13848,12 +14709,12 @@
+ return -ENOSPC;
+}
+
-+static int yaffs_ApplyXMod(yaffs_Object *obj, char *buffer, yaffs_XAttrMod *xmod)
++static int yaffs_apply_xattrib_mod(yaffs_obj_t *obj, char *buffer, yaffs_xattr_mod *xmod)
+{
+ int retval = 0;
-+ int x_offs = sizeof(yaffs_ObjectHeader);
-+ yaffs_Device *dev = obj->myDev;
-+ int x_size = dev->nDataBytesPerChunk - sizeof(yaffs_ObjectHeader);
++ int x_offs = sizeof(yaffs_obj_header);
++ yaffs_dev_t *dev = obj->my_dev;
++ int x_size = dev->data_bytes_per_chunk - sizeof(yaffs_obj_header);
+
+ char * x_buffer = buffer + x_offs;
+
@@ -13862,54 +14723,54 @@
+ else
+ retval = nval_del(x_buffer, x_size, xmod->name);
+
-+ obj->hasXattr = nval_hasvalues(x_buffer, x_size);
-+ obj->xattrKnown = 1;
++ obj->has_xattr = nval_hasvalues(x_buffer, x_size);
++ obj->xattr_known = 1;
+
+ xmod->result = retval;
+
+ return retval;
+}
+
-+static int yaffs_DoXFetch(yaffs_Object *obj, const YCHAR *name, void *value, int size)
++static int yaffs_do_xattrib_fetch(yaffs_obj_t *obj, const YCHAR *name, void *value, int size)
+{
+ char *buffer = NULL;
+ int result;
-+ yaffs_ExtendedTags tags;
-+ yaffs_Device *dev = obj->myDev;
-+ int x_offs = sizeof(yaffs_ObjectHeader);
-+ int x_size = dev->nDataBytesPerChunk - sizeof(yaffs_ObjectHeader);
++ yaffs_ext_tags tags;
++ yaffs_dev_t *dev = obj->my_dev;
++ int x_offs = sizeof(yaffs_obj_header);
++ int x_size = dev->data_bytes_per_chunk - sizeof(yaffs_obj_header);
+
+ char * x_buffer;
+
+ int retval = 0;
+
-+ if(obj->hdrChunk < 1)
++ if(obj->hdr_chunk < 1)
+ return -ENODATA;
+
+ /* If we know that the object has no xattribs then don't do all the
+ * reading and parsing.
+ */
-+ if(obj->xattrKnown && !obj->hasXattr){
++ if(obj->xattr_known && !obj->has_xattr){
+ if(name)
+ return -ENODATA;
+ else
+ return 0;
+ }
+
-+ buffer = (char *) yaffs_GetTempBuffer(dev, __LINE__);
++ buffer = (char *) yaffs_get_temp_buffer(dev, __LINE__);
+ if(!buffer)
+ return -ENOMEM;
+
-+ result = yaffs_ReadChunkWithTagsFromNAND(dev,obj->hdrChunk, (__u8 *)buffer, &tags);
++ result = yaffs_rd_chunk_tags_nand(dev,obj->hdr_chunk, (__u8 *)buffer, &tags);
+
+ if(result != YAFFS_OK)
+ retval = -ENOENT;
+ else{
+ x_buffer = buffer + x_offs;
+
-+ if (!obj->xattrKnown){
-+ obj->hasXattr = nval_hasvalues(x_buffer, x_size);
-+ obj->xattrKnown = 1;
++ if (!obj->xattr_known){
++ obj->has_xattr = nval_hasvalues(x_buffer, x_size);
++ obj->xattr_known = 1;
+ }
+
+ if(name)
@@ -13917,48 +14778,65 @@
+ else
+ retval = nval_list(x_buffer, x_size, value,size);
+ }
-+ yaffs_ReleaseTempBuffer(dev,(__u8 *)buffer,__LINE__);
++ yaffs_release_temp_buffer(dev,(__u8 *)buffer,__LINE__);
+ return retval;
+}
+
-+int yaffs_SetXAttribute(yaffs_Object *obj, const YCHAR *name, const void * value, int size, int flags)
++int yaffs_set_xattrib(yaffs_obj_t *obj, const YCHAR *name, const void * value, int size, int flags)
+{
-+ return yaffs_DoXMod(obj, 1, name, value, size, flags);
++ return yaffs_do_xattrib_mod(obj, 1, name, value, size, flags);
+}
+
-+int yaffs_RemoveXAttribute(yaffs_Object *obj, const YCHAR *name)
++int yaffs_remove_xattrib(yaffs_obj_t *obj, const YCHAR *name)
+{
-+ return yaffs_DoXMod(obj, 0, name, NULL, 0, 0);
++ return yaffs_do_xattrib_mod(obj, 0, name, NULL, 0, 0);
+}
+
-+int yaffs_GetXAttribute(yaffs_Object *obj, const YCHAR *name, void *value, int size)
++int yaffs_get_xattrib(yaffs_obj_t *obj, const YCHAR *name, void *value, int size)
+{
-+ return yaffs_DoXFetch(obj, name, value, size);
++ return yaffs_do_xattrib_fetch(obj, name, value, size);
+}
+
-+int yaffs_ListXAttributes(yaffs_Object *obj, char *buffer, int size)
++int yaffs_list_xattrib(yaffs_obj_t *obj, char *buffer, int size)
+{
-+ return yaffs_DoXFetch(obj, NULL, buffer,size);
++ return yaffs_do_xattrib_fetch(obj, NULL, buffer,size);
+}
+
+
+
#if 0
- int yaffs_DumpObject(yaffs_Object *obj)
+-int yaffs_DumpObject(yaffs_Object *obj)
++int yaffs_dump_obj(yaffs_obj_t *obj)
{
YCHAR name[257];
- yaffs_GetObjectName(obj, name, 256);
-+ yaffs_GetObjectName(obj, name, YAFFS_MAX_NAME_LENGTH + 1);
++ yaffs_get_obj_name(obj, name, YAFFS_MAX_NAME_LENGTH + 1);
T(YAFFS_TRACE_ALWAYS,
(TSTR
-@@ -7050,30 +5056,32 @@ static int yaffs_CheckDevFunctions(const
+ ("Object %d, inode %d \"%s\"\n dirty %d valid %d serial %d sum %d"
+ " chunk %d type %d size %d\n"
+- TENDSTR), obj->objectId, yaffs_GetObjectInode(obj), name,
+- obj->dirty, obj->valid, obj->serial, obj->sum, obj->hdrChunk,
+- yaffs_GetObjectType(obj), yaffs_GetObjectFileLength(obj)));
++ TENDSTR), obj->obj_id, yaffs_get_obj_inode(obj), name,
++ obj->dirty, obj->valid, obj->serial, obj->sum, obj->hdr_chunk,
++ yaffs_get_obj_type(obj), yaffs_get_obj_length(obj)));
+
+ return YAFFS_OK;
+ }
+@@ -7046,72 +5052,74 @@ int yaffs_DumpObject(yaffs_Object *obj)
+
+ /*---------------------------- Initialisation code -------------------------------------- */
+
+-static int yaffs_CheckDevFunctions(const yaffs_Device *dev)
++static int yaffs_cehck_dev_fns(const yaffs_dev_t *dev)
{
/* Common functions, gotta have */
- if (!dev->eraseBlockInNAND || !dev->initialiseNAND)
-+ if (!dev->param.eraseBlockInNAND || !dev->param.initialiseNAND)
++ if (!dev->param.erase_fn || !dev->param.initialise_flash_fn)
return 0;
#ifdef CONFIG_YAFFS_YAFFS2
@@ -13969,12 +14847,12 @@
- !dev->writeChunkToNAND &&
- !dev->readChunkFromNAND &&
- dev->markNANDBlockBad && dev->queryNANDBlock)
-+ if (dev->param.writeChunkWithTagsToNAND &&
-+ dev->param.readChunkWithTagsFromNAND &&
-+ !dev->param.writeChunkToNAND &&
-+ !dev->param.readChunkFromNAND &&
-+ dev->param.markNANDBlockBad &&
-+ dev->param.queryNANDBlock)
++ if (dev->param.write_chunk_tags_fn &&
++ dev->param.read_chunk_tags_fn &&
++ !dev->param.write_chunk_fn &&
++ !dev->param.read_chunk_fn &&
++ dev->param.bad_block_fn &&
++ dev->param.query_block_fn)
return 1;
#endif
@@ -13985,13 +14863,13 @@
- dev->writeChunkToNAND &&
- dev->readChunkFromNAND &&
- !dev->markNANDBlockBad && !dev->queryNANDBlock)
-+ if (!dev->param.isYaffs2 &&
-+ !dev->param.writeChunkWithTagsToNAND &&
-+ !dev->param.readChunkWithTagsFromNAND &&
-+ dev->param.writeChunkToNAND &&
-+ dev->param.readChunkFromNAND &&
-+ !dev->param.markNANDBlockBad &&
-+ !dev->param.queryNANDBlock)
++ if (!dev->param.is_yaffs2 &&
++ !dev->param.write_chunk_tags_fn &&
++ !dev->param.read_chunk_tags_fn &&
++ dev->param.write_chunk_fn &&
++ dev->param.read_chunk_fn &&
++ !dev->param.bad_block_fn &&
++ !dev->param.query_block_fn)
return 1;
- return 0; /* bad */
@@ -13999,30 +14877,89 @@
}
-@@ -7120,35 +5128,35 @@ int yaffs_GutsInitialise(yaffs_Device *d
+-static int yaffs_CreateInitialDirectories(yaffs_Device *dev)
++static int yaffs_create_initial_dir(yaffs_dev_t *dev)
+ {
+ /* Initialise the unlinked, deleted, root and lost and found directories */
+
+- dev->lostNFoundDir = dev->rootDir = NULL;
+- dev->unlinkedDir = dev->deletedDir = NULL;
++ dev->lost_n_found = dev->root_dir = NULL;
++ dev->unlinked_dir = dev->del_dir = NULL;
+
+- dev->unlinkedDir =
+- yaffs_CreateFakeDirectory(dev, YAFFS_OBJECTID_UNLINKED, S_IFDIR);
++ dev->unlinked_dir =
++ yaffs_create_fake_dir(dev, YAFFS_OBJECTID_UNLINKED, S_IFDIR);
+
+- dev->deletedDir =
+- yaffs_CreateFakeDirectory(dev, YAFFS_OBJECTID_DELETED, S_IFDIR);
++ dev->del_dir =
++ yaffs_create_fake_dir(dev, YAFFS_OBJECTID_DELETED, S_IFDIR);
+
+- dev->rootDir =
+- yaffs_CreateFakeDirectory(dev, YAFFS_OBJECTID_ROOT,
++ dev->root_dir =
++ yaffs_create_fake_dir(dev, YAFFS_OBJECTID_ROOT,
+ YAFFS_ROOT_MODE | S_IFDIR);
+- dev->lostNFoundDir =
+- yaffs_CreateFakeDirectory(dev, YAFFS_OBJECTID_LOSTNFOUND,
++ dev->lost_n_found =
++ yaffs_create_fake_dir(dev, YAFFS_OBJECTID_LOSTNFOUND,
+ YAFFS_LOSTNFOUND_MODE | S_IFDIR);
+
+- if (dev->lostNFoundDir && dev->rootDir && dev->unlinkedDir && dev->deletedDir) {
+- yaffs_AddObjectToDirectory(dev->rootDir, dev->lostNFoundDir);
++ if (dev->lost_n_found && dev->root_dir && dev->unlinked_dir && dev->del_dir) {
++ yaffs_add_obj_to_dir(dev->root_dir, dev->lost_n_found);
+ return YAFFS_OK;
+ }
+
+ return YAFFS_FAIL;
+ }
+
+-int yaffs_GutsInitialise(yaffs_Device *dev)
++int yaffs_guts_initialise(yaffs_dev_t *dev)
+ {
+ int init_failed = 0;
+ unsigned x;
+ int bits;
+
+- T(YAFFS_TRACE_TRACING, (TSTR("yaffs: yaffs_GutsInitialise()" TENDSTR)));
++ T(YAFFS_TRACE_TRACING, (TSTR("yaffs: yaffs_guts_initialise()" TENDSTR)));
+
+ /* Check stuff that must be set */
+
+@@ -7120,52 +5128,52 @@ int yaffs_GutsInitialise(yaffs_Device *d
return YAFFS_FAIL;
}
- dev->internalStartBlock = dev->startBlock;
- dev->internalEndBlock = dev->endBlock;
-+ dev->internalStartBlock = dev->param.startBlock;
-+ dev->internalEndBlock = dev->param.endBlock;
- dev->blockOffset = 0;
- dev->chunkOffset = 0;
- dev->nFreeChunks = 0;
-
+- dev->blockOffset = 0;
+- dev->chunkOffset = 0;
+- dev->nFreeChunks = 0;
+-
- dev->gcBlock = -1;
-+ dev->gcBlock = 0;
-
+-
- if (dev->startBlock == 0) {
- dev->internalStartBlock = dev->startBlock + 1;
- dev->internalEndBlock = dev->endBlock + 1;
-+ if (dev->param.startBlock == 0) {
-+ dev->internalStartBlock = dev->param.startBlock + 1;
-+ dev->internalEndBlock = dev->param.endBlock + 1;
- dev->blockOffset = 1;
+- dev->blockOffset = 1;
- dev->chunkOffset = dev->nChunksPerBlock;
-+ dev->chunkOffset = dev->param.nChunksPerBlock;
++ dev->internal_start_block = dev->param.start_block;
++ dev->internal_end_block = dev->param.end_block;
++ dev->block_offset = 0;
++ dev->chunk_offset = 0;
++ dev->n_free_chunks = 0;
++
++ dev->gc_block = 0;
++
++ if (dev->param.start_block == 0) {
++ dev->internal_start_block = dev->param.start_block + 1;
++ dev->internal_end_block = dev->param.end_block + 1;
++ dev->block_offset = 1;
++ dev->chunk_offset = dev->param.chunks_per_block;
}
/* Check geometry parameters. */
@@ -14032,265 +14969,461 @@
- (dev->inbandTags && !dev->isYaffs2) ||
- dev->nChunksPerBlock < 2 ||
- dev->nReservedBlocks < 2 ||
-+ if ((!dev->param.inbandTags && dev->param.isYaffs2 && dev->param.totalBytesPerChunk < 1024) ||
-+ (!dev->param.isYaffs2 && dev->param.totalBytesPerChunk < 512) ||
-+ (dev->param.inbandTags && !dev->param.isYaffs2) ||
-+ dev->param.nChunksPerBlock < 2 ||
-+ dev->param.nReservedBlocks < 2 ||
- dev->internalStartBlock <= 0 ||
- dev->internalEndBlock <= 0 ||
+- dev->internalStartBlock <= 0 ||
+- dev->internalEndBlock <= 0 ||
- dev->internalEndBlock <= (dev->internalStartBlock + dev->nReservedBlocks + 2)) { /* otherwise it is too small */
-+ dev->internalEndBlock <= (dev->internalStartBlock + dev->param.nReservedBlocks + 2)) { /* otherwise it is too small */
++ if ((!dev->param.inband_tags && dev->param.is_yaffs2 && dev->param.total_bytes_per_chunk < 1024) ||
++ (!dev->param.is_yaffs2 && dev->param.total_bytes_per_chunk < 512) ||
++ (dev->param.inband_tags && !dev->param.is_yaffs2) ||
++ dev->param.chunks_per_block < 2 ||
++ dev->param.n_reserved_blocks < 2 ||
++ dev->internal_start_block <= 0 ||
++ dev->internal_end_block <= 0 ||
++ dev->internal_end_block <= (dev->internal_start_block + dev->param.n_reserved_blocks + 2)) { /* otherwise it is too small */
T(YAFFS_TRACE_ALWAYS,
(TSTR
- ("yaffs: NAND geometry problems: chunk size %d, type is yaffs%s, inbandTags %d "
+- ("yaffs: NAND geometry problems: chunk size %d, type is yaffs%s, inbandTags %d "
- TENDSTR), dev->totalBytesPerChunk, dev->isYaffs2 ? "2" : "", dev->inbandTags));
-+ TENDSTR), dev->param.totalBytesPerChunk, dev->param.isYaffs2 ? "2" : "", dev->param.inbandTags));
++ ("yaffs: NAND geometry problems: chunk size %d, type is yaffs%s, inband_tags %d "
++ TENDSTR), dev->param.total_bytes_per_chunk, dev->param.is_yaffs2 ? "2" : "", dev->param.inband_tags));
return YAFFS_FAIL;
}
-@@ -7159,10 +5167,10 @@ int yaffs_GutsInitialise(yaffs_Device *d
+- if (yaffs_InitialiseNAND(dev) != YAFFS_OK) {
++ if (yaffs_init_nand(dev) != YAFFS_OK) {
+ T(YAFFS_TRACE_ALWAYS,
+ (TSTR("yaffs: InitialiseNAND failed" TENDSTR)));
+ return YAFFS_FAIL;
}
/* Sort out space for inband tags, if required */
- if (dev->inbandTags)
- dev->nDataBytesPerChunk = dev->totalBytesPerChunk - sizeof(yaffs_PackedTags2TagsPart);
-+ if (dev->param.inbandTags)
-+ dev->nDataBytesPerChunk = dev->param.totalBytesPerChunk - sizeof(yaffs_PackedTags2TagsPart);
++ if (dev->param.inband_tags)
++ dev->data_bytes_per_chunk = dev->param.total_bytes_per_chunk - sizeof(yaffs_PackedTags2TagsPart);
else
- dev->nDataBytesPerChunk = dev->totalBytesPerChunk;
-+ dev->nDataBytesPerChunk = dev->param.totalBytesPerChunk;
++ dev->data_bytes_per_chunk = dev->param.total_bytes_per_chunk;
/* Got the right mix of functions? */
- if (!yaffs_CheckDevFunctions(dev)) {
-@@ -7209,12 +5217,12 @@ int yaffs_GutsInitialise(yaffs_Device *d
- * We need to find the next power of 2 > than internalEndBlock
+- if (!yaffs_CheckDevFunctions(dev)) {
++ if (!yaffs_cehck_dev_fns(dev)) {
+ /* Function missing */
+ T(YAFFS_TRACE_ALWAYS,
+ (TSTR
+@@ -7175,13 +5183,13 @@ int yaffs_GutsInitialise(yaffs_Device *d
+ }
+
+ /* This is really a compilation check. */
+- if (!yaffs_CheckStructures()) {
++ if (!yaffs_check_structures()) {
+ T(YAFFS_TRACE_ALWAYS,
+- (TSTR("yaffs_CheckStructures failed\n" TENDSTR)));
++ (TSTR("yaffs_check_structures failed\n" TENDSTR)));
+ return YAFFS_FAIL;
+ }
+
+- if (dev->isMounted) {
++ if (dev->is_mounted) {
+ T(YAFFS_TRACE_ALWAYS,
+ (TSTR("yaffs: device already mounted\n" TENDSTR)));
+ return YAFFS_FAIL;
+@@ -7189,59 +5197,62 @@ int yaffs_GutsInitialise(yaffs_Device *d
+
+ /* Finished with most checks. One or two more checks happen later on too. */
+
+- dev->isMounted = 1;
++ dev->is_mounted = 1;
+
+ /* OK now calculate a few things for the device */
+
+ /*
+ * Calculate all the chunk size manipulation numbers:
+ */
+- x = dev->nDataBytesPerChunk;
+- /* We always use dev->chunkShift and dev->chunkDiv */
+- dev->chunkShift = Shifts(x);
+- x >>= dev->chunkShift;
+- dev->chunkDiv = x;
+- /* We only use chunk mask if chunkDiv is 1 */
+- dev->chunkMask = (1<<dev->chunkShift) - 1;
++ x = dev->data_bytes_per_chunk;
++ /* We always use dev->chunk_shift and dev->chunk_div */
++ dev->chunk_shift = Shifts(x);
++ x >>= dev->chunk_shift;
++ dev->chunk_div = x;
++ /* We only use chunk mask if chunk_div is 1 */
++ dev->chunk_mask = (1<<dev->chunk_shift) - 1;
+
+ /*
+- * Calculate chunkGroupBits.
+- * We need to find the next power of 2 > than internalEndBlock
++ * Calculate chunk_grp_bits.
++ * We need to find the next power of 2 > than internal_end_block
*/
- x = dev->nChunksPerBlock * (dev->internalEndBlock + 1);
-+ x = dev->param.nChunksPerBlock * (dev->internalEndBlock + 1);
++ x = dev->param.chunks_per_block * (dev->internal_end_block + 1);
bits = ShiftsGE(x);
/* Set up tnode width if wide tnodes are enabled. */
- if (!dev->wideTnodesDisabled) {
-+ if (!dev->param.wideTnodesDisabled) {
++ if (!dev->param.wide_tnodes_disabled) {
/* bits must be even so that we end up with 32-bit words */
if (bits & 1)
bits++;
-@@ -7238,10 +5246,13 @@ int yaffs_GutsInitialise(yaffs_Device *d
+ if (bits < 16)
+- dev->tnodeWidth = 16;
++ dev->tnode_width = 16;
+ else
+- dev->tnodeWidth = bits;
++ dev->tnode_width = bits;
+ } else
+- dev->tnodeWidth = 16;
++ dev->tnode_width = 16;
+
+- dev->tnodeMask = (1<<dev->tnodeWidth)-1;
++ dev->tnode_mask = (1<<dev->tnode_width)-1;
+
+ /* Level0 Tnodes are 16 bits or wider (if wide tnodes are enabled),
+ * so if the bitwidth of the
+ * chunk range we're using is greater than 16 we need
+- * to figure out chunk shift and chunkGroupSize
++ * to figure out chunk shift and chunk_grp_size
+ */
+
+- if (bits <= dev->tnodeWidth)
+- dev->chunkGroupBits = 0;
++ if (bits <= dev->tnode_width)
++ dev->chunk_grp_bits = 0;
else
- dev->chunkGroupBits = bits - dev->tnodeWidth;
+- dev->chunkGroupBits = bits - dev->tnodeWidth;
++ dev->chunk_grp_bits = bits - dev->tnode_width;
-+ dev->tnodeSize = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8;
-+ if(dev->tnodeSize < sizeof(yaffs_Tnode))
-+ dev->tnodeSize = sizeof(yaffs_Tnode);
++ dev->tnode_size = (dev->tnode_width * YAFFS_NTNODES_LEVEL0)/8;
++ if(dev->tnode_size < sizeof(yaffs_tnode_t))
++ dev->tnode_size = sizeof(yaffs_tnode_t);
- dev->chunkGroupSize = 1 << dev->chunkGroupBits;
+- dev->chunkGroupSize = 1 << dev->chunkGroupBits;
++ dev->chunk_grp_size = 1 << dev->chunk_grp_bits;
- if (dev->nChunksPerBlock < dev->chunkGroupSize) {
-+ if (dev->param.nChunksPerBlock < dev->chunkGroupSize) {
++ if (dev->param.chunks_per_block < dev->chunk_grp_size) {
/* We have a problem because the soft delete won't work if
* the chunk group size > chunks per block.
* This can be remedied by using larger "virtual blocks".
-@@ -7255,9 +5266,11 @@ int yaffs_GutsInitialise(yaffs_Device *d
+@@ -7255,85 +5266,89 @@ int yaffs_GutsInitialise(yaffs_Device *d
/* OK, we've finished verifying the device, lets continue with initialisation */
/* More device initialisation */
- dev->garbageCollections = 0;
- dev->passiveGarbageCollections = 0;
- dev->currentDirtyChecker = 0;
-+ dev->allGCs = 0;
-+ dev->passiveGCs = 0;
-+ dev->oldestDirtyGCs = 0;
-+ dev->backgroundGCs = 0;
-+ dev->gcBlockFinder = 0;
- dev->bufferedBlock = -1;
- dev->doingBufferedBlockRewrite = 0;
- dev->nDeletedFiles = 0;
-@@ -7269,8 +5282,11 @@ int yaffs_GutsInitialise(yaffs_Device *d
- dev->tagsEccUnfixed = 0;
- dev->nErasureFailures = 0;
- dev->nErasedBlocks = 0;
+- dev->bufferedBlock = -1;
+- dev->doingBufferedBlockRewrite = 0;
+- dev->nDeletedFiles = 0;
+- dev->nBackgroundDeletions = 0;
+- dev->nUnlinkedFiles = 0;
+- dev->eccFixed = 0;
+- dev->eccUnfixed = 0;
+- dev->tagsEccFixed = 0;
+- dev->tagsEccUnfixed = 0;
+- dev->nErasureFailures = 0;
+- dev->nErasedBlocks = 0;
- dev->isDoingGC = 0;
-+ dev->gcDisable= 0;
- dev->hasPendingPrioritisedGCs = 1; /* Assume the worst for now, will get fixed on first GC */
-+ YINIT_LIST_HEAD(&dev->dirtyDirectories);
-+ dev->oldestDirtySequence = 0;
-+ dev->oldestDirtyBlock = 0;
+- dev->hasPendingPrioritisedGCs = 1; /* Assume the worst for now, will get fixed on first GC */
++ dev->all_gcs = 0;
++ dev->passive_gc_count = 0;
++ dev->oldest_dirty_gc_count = 0;
++ dev->bg_gcs = 0;
++ dev->gc_block_finder = 0;
++ dev->buffered_block = -1;
++ dev->doing_buffered_block_rewrite = 0;
++ dev->n_deleted_files = 0;
++ dev->n_bg_deletions = 0;
++ dev->n_unlinked_files = 0;
++ dev->n_ecc_fixed = 0;
++ dev->n_ecc_unfixed = 0;
++ dev->n_tags_ecc_fixed = 0;
++ dev->n_tags_ecc_unfixed = 0;
++ dev->n_erase_failures = 0;
++ dev->n_erased_blocks = 0;
++ dev->gc_disable= 0;
++ dev->has_pending_prioritised_gc = 1; /* Assume the worst for now, will get fixed on first GC */
++ YINIT_LIST_HEAD(&dev->dirty_dirs);
++ dev->oldest_dirty_seq = 0;
++ dev->oldest_dirty_block = 0;
/* Initialise temporary buffers and caches. */
- if (!yaffs_InitialiseTempBuffers(dev))
-@@ -7281,13 +5297,13 @@ int yaffs_GutsInitialise(yaffs_Device *d
+- if (!yaffs_InitialiseTempBuffers(dev))
++ if (!yaffs_init_tmp_buffers(dev))
+ init_failed = 1;
+
+- dev->srCache = NULL;
+- dev->gcCleanupList = NULL;
++ dev->cache = NULL;
++ dev->gc_cleanup_list = NULL;
if (!init_failed &&
- dev->nShortOpCaches > 0) {
-+ dev->param.nShortOpCaches > 0) {
++ dev->param.n_caches > 0) {
int i;
void *buf;
- int srCacheBytes = dev->nShortOpCaches * sizeof(yaffs_ChunkCache);
-+ int srCacheBytes = dev->param.nShortOpCaches * sizeof(yaffs_ChunkCache);
++ int cacheBytes = dev->param.n_caches * sizeof(yaffs_cache_t);
- if (dev->nShortOpCaches > YAFFS_MAX_SHORT_OP_CACHES)
- dev->nShortOpCaches = YAFFS_MAX_SHORT_OP_CACHES;
-+ if (dev->param.nShortOpCaches > YAFFS_MAX_SHORT_OP_CACHES)
-+ dev->param.nShortOpCaches = YAFFS_MAX_SHORT_OP_CACHES;
++ if (dev->param.n_caches > YAFFS_MAX_SHORT_OP_CACHES)
++ dev->param.n_caches = YAFFS_MAX_SHORT_OP_CACHES;
- dev->srCache = YMALLOC(srCacheBytes);
+- dev->srCache = YMALLOC(srCacheBytes);
++ dev->cache = YMALLOC(cacheBytes);
-@@ -7296,11 +5312,11 @@ int yaffs_GutsInitialise(yaffs_Device *d
- if (dev->srCache)
- memset(dev->srCache, 0, srCacheBytes);
+- buf = (__u8 *) dev->srCache;
++ buf = (__u8 *) dev->cache;
+
+- if (dev->srCache)
+- memset(dev->srCache, 0, srCacheBytes);
++ if (dev->cache)
++ memset(dev->cache, 0, cacheBytes);
- for (i = 0; i < dev->nShortOpCaches && buf; i++) {
-+ for (i = 0; i < dev->param.nShortOpCaches && buf; i++) {
- dev->srCache[i].object = NULL;
- dev->srCache[i].lastUse = 0;
- dev->srCache[i].dirty = 0;
+- dev->srCache[i].object = NULL;
+- dev->srCache[i].lastUse = 0;
+- dev->srCache[i].dirty = 0;
- dev->srCache[i].data = buf = YMALLOC_DMA(dev->totalBytesPerChunk);
-+ dev->srCache[i].data = buf = YMALLOC_DMA(dev->param.totalBytesPerChunk);
++ for (i = 0; i < dev->param.n_caches && buf; i++) {
++ dev->cache[i].object = NULL;
++ dev->cache[i].last_use = 0;
++ dev->cache[i].dirty = 0;
++ dev->cache[i].data = buf = YMALLOC_DMA(dev->param.total_bytes_per_chunk);
}
if (!buf)
init_failed = 1;
-@@ -7311,19 +5327,18 @@ int yaffs_GutsInitialise(yaffs_Device *d
- dev->cacheHits = 0;
+
+- dev->srLastUse = 0;
++ dev->cache_last_use = 0;
+ }
+
+- dev->cacheHits = 0;
++ dev->cache_hits = 0;
if (!init_failed) {
- dev->gcCleanupList = YMALLOC(dev->nChunksPerBlock * sizeof(__u32));
-+ dev->gcCleanupList = YMALLOC(dev->param.nChunksPerBlock * sizeof(__u32));
- if (!dev->gcCleanupList)
+- if (!dev->gcCleanupList)
++ dev->gc_cleanup_list = YMALLOC(dev->param.chunks_per_block * sizeof(__u32));
++ if (!dev->gc_cleanup_list)
init_failed = 1;
}
- if (dev->isYaffs2)
- dev->useHeaderFileSize = 1;
-+ if (dev->param.isYaffs2)
-+ dev->param.useHeaderFileSize = 1;
++ if (dev->param.is_yaffs2)
++ dev->param.use_header_file_size = 1;
- if (!init_failed && !yaffs_InitialiseBlocks(dev))
+- if (!init_failed && !yaffs_InitialiseBlocks(dev))
++ if (!init_failed && !yaffs_init_blocks(dev))
init_failed = 1;
- yaffs_InitialiseTnodes(dev);
- yaffs_InitialiseObjects(dev);
-+ yaffs_InitialiseTnodesAndObjects(dev);
++ yaffs_init_tnodes_and_objs(dev);
- if (!init_failed && !yaffs_CreateInitialDirectories(dev))
+- if (!init_failed && !yaffs_CreateInitialDirectories(dev))
++ if (!init_failed && !yaffs_create_initial_dir(dev))
init_failed = 1;
-@@ -7331,8 +5346,8 @@ int yaffs_GutsInitialise(yaffs_Device *d
+
if (!init_failed) {
/* Now scan the flash. */
- if (dev->isYaffs2) {
- if (yaffs_CheckpointRestore(dev)) {
-+ if (dev->param.isYaffs2) {
-+ if (yaffs2_CheckpointRestore(dev)) {
- yaffs_CheckObjectDetailsLoaded(dev->rootDir);
+- yaffs_CheckObjectDetailsLoaded(dev->rootDir);
++ if (dev->param.is_yaffs2) {
++ if (yaffs2_checkpt_restore(dev)) {
++ yaffs_check_obj_details_loaded(dev->root_dir);
T(YAFFS_TRACE_ALWAYS,
(TSTR("yaffs: restored from checkpoint" TENDSTR)));
-@@ -7342,9 +5357,8 @@ int yaffs_GutsInitialise(yaffs_Device *d
+ } else {
+@@ -7341,128 +5356,129 @@ int yaffs_GutsInitialise(yaffs_Device *d
+ /* Clean up the mess caused by an aborted checkpoint load
* and scan backwards.
*/
- yaffs_DeinitialiseBlocks(dev);
+- yaffs_DeinitialiseBlocks(dev);
- yaffs_DeinitialiseTnodes(dev);
- yaffs_DeinitialiseObjects(dev);
++ yaffs_deinit_blocks(dev);
-+ yaffs_DeinitialiseTnodesAndObjects(dev);
++ yaffs_deinit_tnodes_and_objs(dev);
- dev->nErasedBlocks = 0;
- dev->nFreeChunks = 0;
-@@ -7353,24 +5367,25 @@ int yaffs_GutsInitialise(yaffs_Device *d
- dev->nDeletedFiles = 0;
- dev->nUnlinkedFiles = 0;
- dev->nBackgroundDeletions = 0;
+- dev->nErasedBlocks = 0;
+- dev->nFreeChunks = 0;
+- dev->allocationBlock = -1;
+- dev->allocationPage = -1;
+- dev->nDeletedFiles = 0;
+- dev->nUnlinkedFiles = 0;
+- dev->nBackgroundDeletions = 0;
- dev->oldestDirtySequence = 0;
++ dev->n_erased_blocks = 0;
++ dev->n_free_chunks = 0;
++ dev->alloc_block = -1;
++ dev->alloc_page = -1;
++ dev->n_deleted_files = 0;
++ dev->n_unlinked_files = 0;
++ dev->n_bg_deletions = 0;
- if (!init_failed && !yaffs_InitialiseBlocks(dev))
+- if (!init_failed && !yaffs_InitialiseBlocks(dev))
++ if (!init_failed && !yaffs_init_blocks(dev))
init_failed = 1;
- yaffs_InitialiseTnodes(dev);
- yaffs_InitialiseObjects(dev);
-+ yaffs_InitialiseTnodesAndObjects(dev);
++ yaffs_init_tnodes_and_objs(dev);
- if (!init_failed && !yaffs_CreateInitialDirectories(dev))
+- if (!init_failed && !yaffs_CreateInitialDirectories(dev))
++ if (!init_failed && !yaffs_create_initial_dir(dev))
init_failed = 1;
- if (!init_failed && !yaffs_ScanBackwards(dev))
-+ if (!init_failed && !yaffs2_ScanBackwards(dev))
++ if (!init_failed && !yaffs2_scan_backwards(dev))
init_failed = 1;
}
- } else if (!yaffs_Scan(dev))
-+ } else if (!yaffs1_Scan(dev))
++ } else if (!yaffs1_scan(dev))
init_failed = 1;
- yaffs_StripDeletedObjects(dev);
-+ yaffs_FixHangingObjects(dev);
-+ if(dev->param.emptyLostAndFound)
-+ yaffs_EmptyLostAndFound(dev);
+- yaffs_StripDeletedObjects(dev);
++ yaffs_strip_deleted_objs(dev);
++ yaffs_fix_hanging_objs(dev);
++ if(dev->param.empty_lost_n_found)
++ yaffs_empty_l_n_f(dev);
}
if (init_failed) {
-@@ -7394,6 +5409,9 @@ int yaffs_GutsInitialise(yaffs_Device *d
- yaffs_VerifyFreeChunks(dev);
- yaffs_VerifyBlocks(dev);
+ /* Clean up the mess */
+ T(YAFFS_TRACE_TRACING,
+- (TSTR("yaffs: yaffs_GutsInitialise() aborted.\n" TENDSTR)));
++ (TSTR("yaffs: yaffs_guts_initialise() aborted.\n" TENDSTR)));
+- yaffs_Deinitialise(dev);
++ yaffs_deinitialise(dev);
+ return YAFFS_FAIL;
+ }
+
+ /* Zero out stats */
+- dev->nPageReads = 0;
+- dev->nPageWrites = 0;
+- dev->nBlockErasures = 0;
+- dev->nGCCopies = 0;
+- dev->nRetriedWrites = 0;
+-
+- dev->nRetiredBlocks = 0;
+-
+- yaffs_VerifyFreeChunks(dev);
+- yaffs_VerifyBlocks(dev);
+-
++ dev->n_page_reads = 0;
++ dev->n_page_writes = 0;
++ dev->n_erasures = 0;
++ dev->n_gc_copies = 0;
++ dev->n_retired_writes = 0;
++
++ dev->n_retired_blocks = 0;
++
++ yaffs_verify_free_chunks(dev);
++ yaffs_verify_blocks(dev);
++
+ /* Clean up any aborted checkpoint data */
-+ if(!dev->isCheckpointed && dev->blocksInCheckpoint > 0)
-+ yaffs2_InvalidateCheckpoint(dev);
++ if(!dev->is_checkpointed && dev->blocks_in_checkpt > 0)
++ yaffs2_checkpt_invalidate(dev);
T(YAFFS_TRACE_TRACING,
- (TSTR("yaffs: yaffs_GutsInitialise() done.\n" TENDSTR)));
-@@ -7407,12 +5425,11 @@ void yaffs_Deinitialise(yaffs_Device *de
+- (TSTR("yaffs: yaffs_GutsInitialise() done.\n" TENDSTR)));
++ (TSTR("yaffs: yaffs_guts_initialise() done.\n" TENDSTR)));
+ return YAFFS_OK;
+
+ }
+
+-void yaffs_Deinitialise(yaffs_Device *dev)
++void yaffs_deinitialise(yaffs_dev_t *dev)
+ {
+- if (dev->isMounted) {
++ if (dev->is_mounted) {
int i;
- yaffs_DeinitialiseBlocks(dev);
+- yaffs_DeinitialiseBlocks(dev);
- yaffs_DeinitialiseTnodes(dev);
- yaffs_DeinitialiseObjects(dev);
- if (dev->nShortOpCaches > 0 &&
-+ yaffs_DeinitialiseTnodesAndObjects(dev);
-+ if (dev->param.nShortOpCaches > 0 &&
- dev->srCache) {
+- dev->srCache) {
++ yaffs_deinit_blocks(dev);
++ yaffs_deinit_tnodes_and_objs(dev);
++ if (dev->param.n_caches > 0 &&
++ dev->cache) {
- for (i = 0; i < dev->nShortOpCaches; i++) {
-+ for (i = 0; i < dev->param.nShortOpCaches; i++) {
- if (dev->srCache[i].data)
- YFREE(dev->srCache[i].data);
- dev->srCache[i].data = NULL;
-@@ -7429,34 +5446,33 @@ void yaffs_Deinitialise(yaffs_Device *de
+- if (dev->srCache[i].data)
+- YFREE(dev->srCache[i].data);
+- dev->srCache[i].data = NULL;
++ for (i = 0; i < dev->param.n_caches; i++) {
++ if (dev->cache[i].data)
++ YFREE(dev->cache[i].data);
++ dev->cache[i].data = NULL;
+ }
- dev->isMounted = 0;
+- YFREE(dev->srCache);
+- dev->srCache = NULL;
++ YFREE(dev->cache);
++ dev->cache = NULL;
+ }
+
+- YFREE(dev->gcCleanupList);
++ YFREE(dev->gc_cleanup_list);
+
+ for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++)
+- YFREE(dev->tempBuffer[i].buffer);
++ YFREE(dev->temp_buffer[i].buffer);
+
+- dev->isMounted = 0;
++ dev->is_mounted = 0;
- if (dev->deinitialiseNAND)
- dev->deinitialiseNAND(dev);
-+ if (dev->param.deinitialiseNAND)
-+ dev->param.deinitialiseNAND(dev);
++ if (dev->param.deinitialise_flash_fn)
++ dev->param.deinitialise_flash_fn(dev);
}
}
-static int yaffs_CountFreeChunks(yaffs_Device *dev)
-+int yaffs_CountFreeChunks(yaffs_Device *dev)
++int yaffs_count_free_chunks(yaffs_dev_t *dev)
{
- int nFree;
+ int nFree=0;
int b;
- yaffs_BlockInfo *blk;
-
+- yaffs_BlockInfo *blk;
+-
- for (nFree = 0, b = dev->internalStartBlock; b <= dev->internalEndBlock;
- b++) {
- blk = yaffs_GetBlockInfo(dev, b);
--
-+ blk = dev->blockInfo;
-+ for (b = dev->internalStartBlock; b <= dev->internalEndBlock; b++) {
- switch (blk->blockState) {
++ yaffs_block_info_t *blk;
+
+- switch (blk->blockState) {
++ blk = dev->block_info;
++ for (b = dev->internal_start_block; b <= dev->internal_end_block; b++) {
++ switch (blk->block_state) {
case YAFFS_BLOCK_STATE_EMPTY:
case YAFFS_BLOCK_STATE_ALLOCATING:
case YAFFS_BLOCK_STATE_COLLECTING:
case YAFFS_BLOCK_STATE_FULL:
nFree +=
- (dev->nChunksPerBlock - blk->pagesInUse +
-+ (dev->param.nChunksPerBlock - blk->pagesInUse +
- blk->softDeletions);
+- blk->softDeletions);
++ (dev->param.chunks_per_block - blk->pages_in_use +
++ blk->soft_del_pages);
break;
default:
break;
@@ -14299,33 +15432,53 @@
}
return nFree;
-@@ -7481,21 +5497,19 @@ int yaffs_GetNumberOfFreeChunks(yaffs_De
+ }
+
+-int yaffs_GetNumberOfFreeChunks(yaffs_Device *dev)
++int yaffs_get_n_free_chunks(yaffs_dev_t *dev)
+ {
+ /* This is what we report to the outside world */
+
+@@ -7472,30 +5488,28 @@ int yaffs_GetNumberOfFreeChunks(yaffs_De
+ int i;
+
+ #if 1
+- nFree = dev->nFreeChunks;
++ nFree = dev->n_free_chunks;
+ #else
+- nFree = yaffs_CountFreeChunks(dev);
++ nFree = yaffs_count_free_chunks(dev);
+ #endif
+
+- nFree += dev->nDeletedFiles;
++ nFree += dev->n_deleted_files;
/* Now count the number of dirty chunks in the cache and subtract those */
- for (nDirtyCacheChunks = 0, i = 0; i < dev->nShortOpCaches; i++) {
-+ for (nDirtyCacheChunks = 0, i = 0; i < dev->param.nShortOpCaches; i++) {
- if (dev->srCache[i].dirty)
+- if (dev->srCache[i].dirty)
++ for (nDirtyCacheChunks = 0, i = 0; i < dev->param.n_caches; i++) {
++ if (dev->cache[i].dirty)
nDirtyCacheChunks++;
}
nFree -= nDirtyCacheChunks;
- nFree -= ((dev->nReservedBlocks + 1) * dev->nChunksPerBlock);
-+ nFree -= ((dev->param.nReservedBlocks + 1) * dev->param.nChunksPerBlock);
++ nFree -= ((dev->param.n_reserved_blocks + 1) * dev->param.chunks_per_block);
/* Now we figure out how much to reserve for the checkpoint and report that... */
- blocksForCheckpoint = yaffs_CalcCheckpointBlocksRequired(dev) - dev->blocksInCheckpoint;
- if (blocksForCheckpoint < 0)
- blocksForCheckpoint = 0;
-+ blocksForCheckpoint = yaffs2_CalcCheckpointBlocksRequired(dev);
++ blocksForCheckpoint = yaffs_calc_checkpt_blocks_required(dev);
- nFree -= (blocksForCheckpoint * dev->nChunksPerBlock);
-+ nFree -= (blocksForCheckpoint * dev->param.nChunksPerBlock);
++ nFree -= (blocksForCheckpoint * dev->param.chunks_per_block);
if (nFree < 0)
nFree = 0;
-@@ -7504,27 +5518,6 @@ int yaffs_GetNumberOfFreeChunks(yaffs_De
+@@ -7504,49 +5518,27 @@ int yaffs_GetNumberOfFreeChunks(yaffs_De
}
@@ -14353,7 +15506,8 @@
/*---------------------------------------- YAFFS test code ----------------------*/
-@@ -7532,7 +5525,7 @@ static void yaffs_VerifyFreeChunks(yaffs
+-#define yaffs_CheckStruct(structure, syze, name) \
++#define yaffs_check_struct(structure, syze, name) \
do { \
if (sizeof(structure) != syze) { \
T(YAFFS_TRACE_ALWAYS, (TSTR("%s should be %d but is %d\n" TENDSTR),\
@@ -14362,20 +15516,30 @@
return YAFFS_FAIL; \
} \
} while (0)
-@@ -7542,9 +5535,8 @@ static int yaffs_CheckStructures(void)
- /* yaffs_CheckStruct(yaffs_Tags,8,"yaffs_Tags"); */
- /* yaffs_CheckStruct(yaffs_TagsUnion,8,"yaffs_TagsUnion"); */
- /* yaffs_CheckStruct(yaffs_Spare,16,"yaffs_Spare"); */
+
+-static int yaffs_CheckStructures(void)
++static int yaffs_check_structures(void)
+ {
+-/* yaffs_CheckStruct(yaffs_Tags,8,"yaffs_Tags"); */
+-/* yaffs_CheckStruct(yaffs_TagsUnion,8,"yaffs_TagsUnion"); */
+-/* yaffs_CheckStruct(yaffs_Spare,16,"yaffs_Spare"); */
-#ifndef CONFIG_YAFFS_TNODE_LIST_DEBUG
- yaffs_CheckStruct(yaffs_Tnode, 2 * YAFFS_NTNODES_LEVEL0, "yaffs_Tnode");
-#endif
-+/* yaffs_CheckStruct(yaffs_Tnode, 2 * YAFFS_NTNODES_LEVEL0, "yaffs_Tnode"); */
++/* yaffs_check_struct(yaffs_tags_t,8,"yaffs_tags_t"); */
++/* yaffs_check_struct(yaffs_tags_union_t,8,"yaffs_tags_union_t"); */
++/* yaffs_check_struct(yaffs_spare,16,"yaffs_spare"); */
++/* yaffs_check_struct(yaffs_tnode_t, 2 * YAFFS_NTNODES_LEVEL0, "yaffs_tnode_t"); */
+
#ifndef CONFIG_YAFFS_WINCE
- yaffs_CheckStruct(yaffs_ObjectHeader, 512, "yaffs_ObjectHeader");
+- yaffs_CheckStruct(yaffs_ObjectHeader, 512, "yaffs_ObjectHeader");
++ yaffs_check_struct(yaffs_obj_header, 512, "yaffs_obj_header");
#endif
---- a/fs/yaffs2/yaffs_guts.h
-+++ b/fs/yaffs2/yaffs_guts.h
+ return YAFFS_OK;
+ }
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/yaffs_guts.h linux-2.6.36-rc8.new/fs/yaffs2/yaffs_guts.h
+--- linux-2.6.36-rc8/fs/yaffs2/yaffs_guts.h 2010-10-20 13:17:58.954000294 +0300
++++ linux-2.6.36-rc8.new/fs/yaffs2/yaffs_guts.h 2010-10-20 13:28:16.061000294 +0300
@@ -1,7 +1,7 @@
/*
* YAFFS: Yet another Flash File System . A NAND-flash specific file system.
@@ -14429,18 +15593,165 @@
#define YAFFS_MAX_SHORT_OP_CACHES 20
-@@ -119,11 +119,7 @@ typedef struct {
+@@ -113,18 +113,14 @@
+
+ /* ChunkCache is used for short read/write operations.*/
+ typedef struct {
+- struct yaffs_ObjectStruct *object;
+- int chunkId;
+- int lastUse;
++ struct yaffs_obj_s *object;
++ int chunk_id;
++ int last_use;
int dirty;
- int nBytes; /* Only valid if the cache is dirty */
+- int nBytes; /* Only valid if the cache is dirty */
++ int n_bytes; /* Only valid if the cache is dirty */
int locked; /* Can't push out or flush while locked. */
-#ifdef CONFIG_YAFFS_YAFFS2
__u8 *data;
-#else
- __u8 data[YAFFS_BYTES_PER_CHUNK];
-#endif
- } yaffs_ChunkCache;
+-} yaffs_ChunkCache;
++} yaffs_cache_t;
+
+@@ -135,18 +131,18 @@ typedef struct {
+
+ #ifndef CONFIG_YAFFS_NO_YAFFS1
+ typedef struct {
+- unsigned chunkId:20;
+- unsigned serialNumber:2;
+- unsigned byteCountLSB:10;
+- unsigned objectId:18;
++ unsigned chunk_id:20;
++ unsigned serial_number:2;
++ unsigned n_bytes_lsb:10;
++ unsigned obj_id:18;
+ unsigned ecc:12;
+- unsigned byteCountMSB:2;
+-} yaffs_Tags;
++ unsigned n_bytes_msb:2;
++} yaffs_tags_t;
+
+ typedef union {
+- yaffs_Tags asTags;
+- __u8 asBytes[8];
+-} yaffs_TagsUnion;
++ yaffs_tags_t as_tags;
++ __u8 as_bytes[8];
++} yaffs_tags_union_t;
+
+ #endif
+
+@@ -157,7 +153,7 @@ typedef enum {
+ YAFFS_ECC_RESULT_NO_ERROR,
+ YAFFS_ECC_RESULT_FIXED,
+ YAFFS_ECC_RESULT_UNFIXED
+-} yaffs_ECCResult;
++} yaffs_ecc_result;
+
+ typedef enum {
+ YAFFS_OBJECT_TYPE_UNKNOWN,
+@@ -166,64 +162,64 @@ typedef enum {
+ YAFFS_OBJECT_TYPE_DIRECTORY,
+ YAFFS_OBJECT_TYPE_HARDLINK,
+ YAFFS_OBJECT_TYPE_SPECIAL
+-} yaffs_ObjectType;
++} yaffs_obj_type;
+
+ #define YAFFS_OBJECT_TYPE_MAX YAFFS_OBJECT_TYPE_SPECIAL
+
+ typedef struct {
+
+- unsigned validMarker0;
+- unsigned chunkUsed; /* Status of the chunk: used or unused */
+- unsigned objectId; /* If 0 then this is not part of an object (unused) */
+- unsigned chunkId; /* If 0 then this is a header, else a data chunk */
+- unsigned byteCount; /* Only valid for data chunks */
++ unsigned validity1;
++ unsigned chunk_used; /* Status of the chunk: used or unused */
++ unsigned obj_id; /* If 0 then this is not part of an object (unused) */
++ unsigned chunk_id; /* If 0 then this is a header, else a data chunk */
++ unsigned n_bytes; /* Only valid for data chunks */
+
+ /* The following stuff only has meaning when we read */
+- yaffs_ECCResult eccResult;
+- unsigned blockBad;
++ yaffs_ecc_result ecc_result;
++ unsigned block_bad;
+
+ /* YAFFS 1 stuff */
+- unsigned chunkDeleted; /* The chunk is marked deleted */
+- unsigned serialNumber; /* Yaffs1 2-bit serial number */
++ unsigned is_deleted; /* The chunk is marked deleted */
++ unsigned serial_number; /* Yaffs1 2-bit serial number */
+
+ /* YAFFS2 stuff */
+- unsigned sequenceNumber; /* The sequence number of this block */
++ unsigned seq_number; /* The sequence number of this block */
+
+ /* Extra info if this is an object header (YAFFS2 only) */
+
+- unsigned extraHeaderInfoAvailable; /* There is extra info available if this is not zero */
+- unsigned extraParentObjectId; /* The parent object */
+- unsigned extraIsShrinkHeader; /* Is it a shrink header? */
+- unsigned extraShadows; /* Does this shadow another object? */
++ unsigned extra_available; /* There is extra info available if this is not zero */
++ unsigned extra_parent_id; /* The parent object */
++ unsigned extra_is_shrink; /* Is it a shrink header? */
++ unsigned extra_shadows; /* Does this shadow another object? */
+
+- yaffs_ObjectType extraObjectType; /* What object type? */
++ yaffs_obj_type extra_obj_type; /* What object type? */
+
+- unsigned extraFileLength; /* Length if it is a file */
+- unsigned extraEquivalentObjectId; /* Equivalent object Id if it is a hard link */
++ unsigned extra_length; /* Length if it is a file */
++ unsigned extra_equiv_id; /* Equivalent object Id if it is a hard link */
+
+- unsigned validMarker1;
++ unsigned validty1;
+
+-} yaffs_ExtendedTags;
++} yaffs_ext_tags;
+
+ /* Spare structure for YAFFS1 */
+ typedef struct {
+- __u8 tagByte0;
+- __u8 tagByte1;
+- __u8 tagByte2;
+- __u8 tagByte3;
+- __u8 pageStatus; /* set to 0 to delete the chunk */
+- __u8 blockStatus;
+- __u8 tagByte4;
+- __u8 tagByte5;
++ __u8 tb0;
++ __u8 tb1;
++ __u8 tb2;
++ __u8 tb3;
++ __u8 page_status; /* set to 0 to delete the chunk */
++ __u8 block_status;
++ __u8 tb4;
++ __u8 tb5;
+ __u8 ecc1[3];
+- __u8 tagByte6;
+- __u8 tagByte7;
++ __u8 tb6;
++ __u8 tb7;
+ __u8 ecc2[3];
+-} yaffs_Spare;
++} yaffs_spare;
+
+ /*Special structure for passing through to mtd */
+-struct yaffs_NANDSpare {
+- yaffs_Spare spare;
++struct yaffs_nand_spare {
++ yaffs_spare spare;
+ int eccres1;
+ int eccres2;
+ };
@@ -234,6 +230,8 @@ typedef enum {
YAFFS_BLOCK_STATE_UNKNOWN = 0,
@@ -14450,7 +15761,7 @@
YAFFS_BLOCK_STATE_NEEDS_SCANNING,
/* The block might have something on it (ie it is allocating or full, perhaps empty)
* but it needs to be scanned to determine its true state.
-@@ -249,21 +247,23 @@ typedef enum {
+@@ -249,67 +247,69 @@ typedef enum {
/* This block is partially allocated.
* At least one page holds valid data.
* This is the one currently being used for page
@@ -14478,20 +15789,122 @@
YAFFS_BLOCK_STATE_COLLECTING,
/* This block is being garbage collected */
-@@ -351,23 +351,12 @@ typedef struct {
+
+ YAFFS_BLOCK_STATE_DEAD
+ /* This block has failed and is not in use */
+-} yaffs_BlockState;
++} yaffs_block_state_t;
+
+ #define YAFFS_NUMBER_OF_BLOCK_STATES (YAFFS_BLOCK_STATE_DEAD + 1)
+
+
+ typedef struct {
+
+- int softDeletions:10; /* number of soft deleted pages */
+- int pagesInUse:10; /* number of pages in use */
+- unsigned blockState:4; /* One of the above block states. NB use unsigned because enum is sometimes an int */
+- __u32 needsRetiring:1; /* Data has failed on this block, need to get valid data off */
++ int soft_del_pages:10; /* number of soft deleted pages */
++ int pages_in_use:10; /* number of pages in use */
++ unsigned block_state:4; /* One of the above block states. NB use unsigned because enum is sometimes an int */
++ __u32 needs_retiring:1; /* Data has failed on this block, need to get valid data off */
+ /* and retire the block. */
+- __u32 skipErasedCheck:1; /* If this is set we can skip the erased check on this block */
+- __u32 gcPrioritise:1; /* An ECC check or blank check has failed on this block.
++ __u32 skip_erased_check:1; /* If this is set we can skip the erased check on this block */
++ __u32 gc_prioritise:1; /* An ECC check or blank check has failed on this block.
+ It should be prioritised for GC */
+- __u32 chunkErrorStrikes:3; /* How many times we've had ecc etc failures on this block and tried to reuse it */
++ __u32 chunk_error_strikes:3; /* How many times we've had ecc etc failures on this block and tried to reuse it */
+
+ #ifdef CONFIG_YAFFS_YAFFS2
+- __u32 hasShrinkHeader:1; /* This block has at least one shrink object header */
+- __u32 sequenceNumber; /* block sequence number for yaffs2 */
++ __u32 has_shrink_hdr:1; /* This block has at least one shrink object header */
++ __u32 seq_number; /* block sequence number for yaffs2 */
+ #endif
+
+-} yaffs_BlockInfo;
++} yaffs_block_info_t;
+
+ /* -------------------------- Object structure -------------------------------*/
+ /* This is the object structure as stored on NAND */
+
+ typedef struct {
+- yaffs_ObjectType type;
++ yaffs_obj_type type;
+
+ /* Apply to everything */
+- int parentObjectId;
+- __u16 sum__NoLongerUsed; /* checksum of name. No longer used */
++ int parent_obj_id;
++ __u16 sum_no_longer_used; /* checksum of name. No longer used */
+ YCHAR name[YAFFS_MAX_NAME_LENGTH + 1];
+
+ /* The following apply to directories, files, symlinks - not hard links */
+ __u32 yst_mode; /* protection */
+
+ #ifdef CONFIG_YAFFS_WINCE
+- __u32 notForWinCE[5];
++ __u32 not_for_wince[5];
+ #else
+ __u32 yst_uid;
+ __u32 yst_gid;
+@@ -319,10 +319,10 @@ typedef struct {
+ #endif
+
+ /* File size applies to files only */
+- int fileSize;
++ int file_size;
+
+ /* Equivalent object id applies to hard links only. */
+- int equivalentObjectId;
++ int equiv_id;
+
+ /* Alias is for symlinks only. */
+ YCHAR alias[YAFFS_MAX_ALIAS_LENGTH + 1];
+@@ -334,40 +334,29 @@ typedef struct {
+ __u32 win_atime[2];
+ __u32 win_mtime[2];
+ #else
+- __u32 roomToGrow[6];
++ __u32 room_to_grow[6];
+
+ #endif
+- __u32 inbandShadowsObject;
+- __u32 inbandIsShrink;
++ __u32 inband_shadowed_obj_id;
++ __u32 inband_is_shrink;
+
+- __u32 reservedSpace[2];
+- int shadowsObject; /* This object header shadows the specified object if > 0 */
++ __u32 reserved[2];
++ int shadows_obj; /* This object header shadows the specified object if > 0 */
+
+- /* isShrink applies to object headers written when we shrink the file (ie resize) */
+- __u32 isShrink;
++ /* is_shrink applies to object headers written when we shrink the file (ie resize) */
++ __u32 is_shrink;
+
+-} yaffs_ObjectHeader;
++} yaffs_obj_header;
+
/*--------------------------- Tnode -------------------------- */
- union yaffs_Tnode_union {
+-union yaffs_Tnode_union {
-#ifdef CONFIG_YAFFS_TNODE_LIST_DEBUG
- union yaffs_Tnode_union *internal[YAFFS_NTNODES_INTERNAL + 1];
-#else
- union yaffs_Tnode_union *internal[YAFFS_NTNODES_INTERNAL];
+- union yaffs_Tnode_union *internal[YAFFS_NTNODES_INTERNAL];
-#endif
-/* __u16 level0[YAFFS_NTNODES_LEVEL0]; */
++union yaffs_tnode_union {
++ union yaffs_tnode_union *internal[YAFFS_NTNODES_INTERNAL];
};
- typedef union yaffs_Tnode_union yaffs_Tnode;
+-typedef union yaffs_Tnode_union yaffs_Tnode;
++typedef union yaffs_tnode_union yaffs_tnode_t;
-struct yaffs_TnodeList_struct {
- struct yaffs_TnodeList_struct *next;
@@ -14502,175 +15915,359 @@
/*------------------------ Object -----------------------------*/
/* An object can be one of:
-@@ -387,6 +376,7 @@ typedef struct {
+@@ -378,82 +367,85 @@ typedef struct yaffs_TnodeList_struct ya
+ */
+
+ typedef struct {
+- __u32 fileSize;
+- __u32 scannedFileSize;
+- __u32 shrinkSize;
+- int topLevel;
+- yaffs_Tnode *top;
+-} yaffs_FileStructure;
++ __u32 file_size;
++ __u32 scanned_size;
++ __u32 shrink_size;
++ int top_level;
++ yaffs_tnode_t *top;
++} yaffs_file_s;
typedef struct {
struct ylist_head children; /* list of child links */
+-} yaffs_DirectoryStructure;
+ struct ylist_head dirty; /* Entry for list of dirty directories */
- } yaffs_DirectoryStructure;
++} yaffs_dir_s;
typedef struct {
-@@ -405,6 +395,8 @@ typedef union {
- yaffs_HardLinkStructure hardLinkVariant;
- } yaffs_ObjectVariant;
+ YCHAR *alias;
+-} yaffs_SymLinkStructure;
++} yaffs_symlink_t;
+ typedef struct {
+- struct yaffs_ObjectStruct *equivalentObject;
+- __u32 equivalentObjectId;
+-} yaffs_HardLinkStructure;
++ struct yaffs_obj_s *equiv_obj;
++ __u32 equiv_id;
++} yaffs_hard_link_s;
+
+ typedef union {
+- yaffs_FileStructure fileVariant;
+- yaffs_DirectoryStructure directoryVariant;
+- yaffs_SymLinkStructure symLinkVariant;
+- yaffs_HardLinkStructure hardLinkVariant;
+-} yaffs_ObjectVariant;
++ yaffs_file_s file_variant;
++ yaffs_dir_s dir_variant;
++ yaffs_symlink_t symlink_variant;
++ yaffs_hard_link_s hardlink_variant;
++} yaffs_obj_variant;
+
+
- struct yaffs_ObjectStruct {
+
+-struct yaffs_ObjectStruct {
++struct yaffs_obj_s {
__u8 deleted:1; /* This should only apply to unlinked files. */
- __u8 softDeleted:1; /* it has also been soft deleted */
-@@ -424,6 +416,10 @@ struct yaffs_ObjectStruct {
+- __u8 softDeleted:1; /* it has also been soft deleted */
++ __u8 soft_del:1; /* it has also been soft deleted */
+ __u8 unlinked:1; /* An unlinked file. The file should be in the unlinked directory.*/
+ __u8 fake:1; /* A fake object has no presence on NAND. */
+- __u8 renameAllowed:1; /* Some objects are not allowed to be renamed. */
+- __u8 unlinkAllowed:1;
++ __u8 rename_allowed:1; /* Some objects are not allowed to be renamed. */
++ __u8 unlink_allowed:1;
+ __u8 dirty:1; /* the object needs to be written to flash */
+ __u8 valid:1; /* When the file system is being loaded up, this
+ * object might be created before the data
+ * is available (ie. file data records appear before the header).
+ */
+- __u8 lazyLoaded:1; /* This object has been lazy loaded and is missing some detail */
++ __u8 lazy_loaded:1; /* This object has been lazy loaded and is missing some detail */
+
+- __u8 deferedFree:1; /* For Linux kernel. Object is removed from NAND, but is
++ __u8 defered_free:1; /* For Linux kernel. Object is removed from NAND, but is
+ * still in the inode cache. Free of object is defered.
* until the inode is released.
*/
- __u8 beingCreated:1; /* This object is still being created so skip some checks. */
-+ __u8 isShadowed:1; /* This object is shadowed on the way to being renamed. */
+- __u8 beingCreated:1; /* This object is still being created so skip some checks. */
++ __u8 being_created:1; /* This object is still being created so skip some checks. */
++ __u8 is_shadowed:1; /* This object is shadowed on the way to being renamed. */
+
-+ __u8 xattrKnown:1; /* We know if this has object has xattribs or not. */
-+ __u8 hasXattr:1; /* This object has xattribs. Valid if xattrKnown. */
++ __u8 xattr_known:1; /* We know if this has object has xattribs or not. */
++ __u8 has_xattr:1; /* This object has xattribs. Valid if xattr_known. */
__u8 serial; /* serial number of chunk in NAND. Cached here */
__u16 sum; /* sum of the name to speed searching */
-@@ -452,10 +448,6 @@ struct yaffs_ObjectStruct {
- YCHAR shortName[YAFFS_SHORT_NAME_LENGTH + 1];
- #endif
--#ifndef __KERNEL__
-- __u32 inUse;
+- struct yaffs_DeviceStruct *myDev; /* The device I'm on */
++ struct yaffs_dev_s *my_dev; /* The device I'm on */
+
+- struct ylist_head hashLink; /* list of objects in this hash bucket */
++ struct ylist_head hash_link; /* list of objects in this hash bucket */
+
+- struct ylist_head hardLinks; /* all the equivalent hard linked objects */
++ struct ylist_head hard_links; /* all the equivalent hard linked objects */
+
+ /* directory structure stuff */
+ /* also used for linking up the free list */
+- struct yaffs_ObjectStruct *parent;
++ struct yaffs_obj_s *parent;
+ struct ylist_head siblings;
+
+ /* Where's my object header in NAND? */
+- int hdrChunk;
++ int hdr_chunk;
+
+- int nDataChunks; /* Number of data chunks attached to the file. */
++ int n_data_chunks; /* Number of data chunks attached to the file. */
+
+- __u32 objectId; /* the object id value */
++ __u32 obj_id; /* the object id value */
+
+ __u32 yst_mode;
+
+ #ifdef CONFIG_YAFFS_SHORT_NAMES_IN_RAM
+- YCHAR shortName[YAFFS_SHORT_NAME_LENGTH + 1];
-#endif
-
+-#ifndef __KERNEL__
+- __u32 inUse;
++ YCHAR short_name[YAFFS_SHORT_NAME_LENGTH + 1];
+ #endif
+
#ifdef CONFIG_YAFFS_WINCE
- __u32 win_ctime[2];
- __u32 win_mtime[2];
-@@ -470,10 +462,7 @@ struct yaffs_ObjectStruct {
+@@ -470,53 +462,43 @@ struct yaffs_ObjectStruct {
__u32 yst_rdev;
-#ifdef __KERNEL__
- struct inode *myInode;
--
++ void *my_inode;
+
-#endif
-+ void *myInode;
++ yaffs_obj_type variant_type;
- yaffs_ObjectType variantType;
-
-@@ -483,13 +472,6 @@ struct yaffs_ObjectStruct {
-
- typedef struct yaffs_ObjectStruct yaffs_Object;
+- yaffs_ObjectType variantType;
++ yaffs_obj_variant variant;
+- yaffs_ObjectVariant variant;
+-
+-};
+-
+-typedef struct yaffs_ObjectStruct yaffs_Object;
+-
-struct yaffs_ObjectList_struct {
- yaffs_Object *objects;
- struct yaffs_ObjectList_struct *next;
--};
--
+ };
+
-typedef struct yaffs_ObjectList_struct yaffs_ObjectList;
--
++typedef struct yaffs_obj_s yaffs_obj_t;
+
typedef struct {
struct ylist_head list;
int count;
-@@ -531,12 +513,18 @@ typedef struct {
+-} yaffs_ObjectBucket;
++} yaffs_obj_bucket;
+
+
+-/* yaffs_CheckpointObject holds the definition of an object as dumped
++/* yaffs_checkpt_obj_t holds the definition of an object as dumped
+ * by checkpointing.
+ */
+
+ typedef struct {
+- int structType;
+- __u32 objectId;
+- __u32 parentId;
+- int hdrChunk;
+- yaffs_ObjectType variantType:3;
++ int struct_type;
++ __u32 obj_id;
++ __u32 parent_id;
++ int hdr_chunk;
++ yaffs_obj_type variant_type:3;
+ __u8 deleted:1;
+- __u8 softDeleted:1;
++ __u8 soft_del:1;
+ __u8 unlinked:1;
+ __u8 fake:1;
+- __u8 renameAllowed:1;
+- __u8 unlinkAllowed:1;
++ __u8 rename_allowed:1;
++ __u8 unlink_allowed:1;
+ __u8 serial;
+
+- int nDataChunks;
+- __u32 fileSizeOrEquivalentObjectId;
+-} yaffs_CheckpointObject;
++ int n_data_chunks;
++ __u32 size_or_equiv_obj;
++} yaffs_checkpt_obj_t;
+
+ /*--------------------- Temporary buffers ----------------
+ *
+@@ -526,379 +508,462 @@ typedef struct {
+ typedef struct {
+ __u8 *buffer;
+ int line; /* track from whence this buffer was allocated */
+- int maxLine;
+-} yaffs_TempBuffer;
++ int max_line;
++} yaffs_buffer_t;
/*----------------- Device ---------------------------------*/
-struct yaffs_DeviceStruct {
- struct ylist_head devList;
- const char *name;
-
+-
- /* Entry parameters set up way early. Yaffs sets up the rest.*/
- int nDataBytesPerChunk; /* Should be a power of 2 >= 512 */
-+struct yaffs_DeviceParamStruct {
+- int nChunksPerBlock; /* does not need to be a power of 2 */
+- int spareBytesPerChunk; /* spare area size */
+- int startBlock; /* Start block we're allowed to use */
+- int endBlock; /* End block we're allowed to use */
+- int nReservedBlocks; /* We want this tuneable so that we can reduce */
+- /* reserved blocks on NOR and RAM. */
+-
+
+- /* Stuff used by the shared space checkpointing mechanism */
+- /* If this value is zero, then this mechanism is disabled */
++struct yaffs_param_s {
+ const YCHAR *name;
-+
+
+-/* int nCheckpointReservedBlocks; */ /* Blocks to reserve for checkpoint data */
+ /*
+ * Entry parameters set up way early. Yaffs sets up the rest.
+ * The structure should be zeroed out before use so that unused
+ * and defualt values are zero.
+ */
+
-+ int inbandTags; /* Use unband tags */
-+ __u32 totalBytesPerChunk; /* Should be >= 512, does not need to be a power of 2 */
- int nChunksPerBlock; /* does not need to be a power of 2 */
- int spareBytesPerChunk; /* spare area size */
- int startBlock; /* Start block we're allowed to use */
-@@ -545,24 +533,24 @@ struct yaffs_DeviceStruct {
- /* reserved blocks on NOR and RAM. */
++ int inband_tags; /* Use unband tags */
++ __u32 total_bytes_per_chunk; /* Should be >= 512, does not need to be a power of 2 */
++ int chunks_per_block; /* does not need to be a power of 2 */
++ int spare_bytes_per_chunk; /* spare area size */
++ int start_block; /* Start block we're allowed to use */
++ int end_block; /* End block we're allowed to use */
++ int n_reserved_blocks; /* We want this tuneable so that we can reduce */
++ /* reserved blocks on NOR and RAM. */
-- /* Stuff used by the shared space checkpointing mechanism */
-- /* If this value is zero, then this mechanism is disabled */
--
--/* int nCheckpointReservedBlocks; */ /* Blocks to reserve for checkpoint data */
--
--
- int nShortOpCaches; /* If <= 0, then short op caching is disabled, else
+- int nShortOpCaches; /* If <= 0, then short op caching is disabled, else
- * the number of short op caches (don't use too many)
++ int n_caches; /* If <= 0, then short op caching is disabled, else
+ * the number of short op caches (don't use too many).
+ * 10 to 20 is a good bet.
*/
-+ int useNANDECC; /* Flag to decide whether or not to use NANDECC on data (yaffs1) */
-+ int noTagsECC; /* Flag to decide whether or not to do ECC on packed tags (yaffs2) */
++ int use_nand_ecc; /* Flag to decide whether or not to use NANDECC on data (yaffs1) */
++ int no_tags_ecc; /* Flag to decide whether or not to do ECC on packed tags (yaffs2) */
- int useHeaderFileSize; /* Flag to determine if we should use file sizes from the header */
-+ int isYaffs2; /* Use yaffs2 mode on this device */
++ int is_yaffs2; /* Use yaffs2 mode on this device */
- int useNANDECC; /* Flag to decide whether or not to use NANDECC */
-+ int emptyLostAndFound; /* Auto-empty lost+found directory on mount */
++ int empty_lost_n_found; /* Auto-empty lost+found directory on mount */
- void *genericDevice; /* Pointer to device context
- * On an mtd this holds the mtd pointer.
- */
- void *superBlock;
-+ int refreshPeriod; /* How often we should check to do a block refresh */
++ int refresh_period; /* How often we should check to do a block refresh */
+
+ /* Checkpoint control. Can be set before or after initialisation */
-+ __u8 skipCheckpointRead;
-+ __u8 skipCheckpointWrite;
++ __u8 skip_checkpt_rd;
++ __u8 skip_checkpt_wr;
+
-+ int enableXattr; /* Enable xattribs */
++ int enable_xattr; /* Enable xattribs */
/* NAND access functions (Must be set before calling YAFFS)*/
-@@ -589,58 +577,68 @@ struct yaffs_DeviceStruct {
- yaffs_BlockState *state, __u32 *sequenceNumber);
- #endif
+- int (*writeChunkToNAND) (struct yaffs_DeviceStruct *dev,
+- int chunkInNAND, const __u8 *data,
+- const yaffs_Spare *spare);
+- int (*readChunkFromNAND) (struct yaffs_DeviceStruct *dev,
+- int chunkInNAND, __u8 *data,
+- yaffs_Spare *spare);
+- int (*eraseBlockInNAND) (struct yaffs_DeviceStruct *dev,
+- int blockInNAND);
+- int (*initialiseNAND) (struct yaffs_DeviceStruct *dev);
+- int (*deinitialiseNAND) (struct yaffs_DeviceStruct *dev);
++ int (*write_chunk_fn) (struct yaffs_dev_s *dev,
++ int nand_chunk, const __u8 *data,
++ const yaffs_spare *spare);
++ int (*read_chunk_fn) (struct yaffs_dev_s *dev,
++ int nand_chunk, __u8 *data,
++ yaffs_spare *spare);
++ int (*erase_fn) (struct yaffs_dev_s *dev,
++ int flash_block);
++ int (*initialise_flash_fn) (struct yaffs_dev_s *dev);
++ int (*deinitialise_flash_fn) (struct yaffs_dev_s *dev);
+ #ifdef CONFIG_YAFFS_YAFFS2
+- int (*writeChunkWithTagsToNAND) (struct yaffs_DeviceStruct *dev,
+- int chunkInNAND, const __u8 *data,
+- const yaffs_ExtendedTags *tags);
+- int (*readChunkWithTagsFromNAND) (struct yaffs_DeviceStruct *dev,
+- int chunkInNAND, __u8 *data,
+- yaffs_ExtendedTags *tags);
+- int (*markNANDBlockBad) (struct yaffs_DeviceStruct *dev, int blockNo);
+- int (*queryNANDBlock) (struct yaffs_DeviceStruct *dev, int blockNo,
+- yaffs_BlockState *state, __u32 *sequenceNumber);
+-#endif
+-
- int isYaffs2;
-
- /* The removeObjectCallback function must be supplied by OS flavours that
+- /* The removeObjectCallback function must be supplied by OS flavours that
- * need it. The Linux kernel does not use this, but yaffs direct does use
- * it to implement the faster readdir
++ int (*write_chunk_tags_fn) (struct yaffs_dev_s *dev,
++ int nand_chunk, const __u8 *data,
++ const yaffs_ext_tags *tags);
++ int (*read_chunk_tags_fn) (struct yaffs_dev_s *dev,
++ int nand_chunk, __u8 *data,
++ yaffs_ext_tags *tags);
++ int (*bad_block_fn) (struct yaffs_dev_s *dev, int block_no);
++ int (*query_block_fn) (struct yaffs_dev_s *dev, int block_no,
++ yaffs_block_state_t *state, __u32 *seq_number);
++#endif
++
++ /* The remove_obj_fn function must be supplied by OS flavours that
+ * need it.
+ * yaffs direct uses it to implement the faster readdir.
+ * Linux uses it to protect the directory during unlocking.
*/
- void (*removeObjectCallback)(struct yaffs_ObjectStruct *obj);
+- void (*removeObjectCallback)(struct yaffs_ObjectStruct *obj);
++ void (*remove_obj_fn)(struct yaffs_obj_s *obj);
- /* Callback to mark the superblock dirsty */
- void (*markSuperBlockDirty)(void *superblock);
+ /* Callback to mark the superblock dirty */
-+ void (*markSuperBlockDirty)(struct yaffs_DeviceStruct *dev);
++ void (*sb_dirty_fn)(struct yaffs_dev_s *dev);
+
+ /* Callback to control garbage collection. */
-+ unsigned (*gcControl)(struct yaffs_DeviceStruct *dev);
-
-+ /* Debug control flags. Don't use unless you know what you're doing */
-+ int useHeaderFileSize; /* Flag to determine if we should use file sizes from the header */
-+ int disableLazyLoad; /* Disable lazy loading on this device */
- int wideTnodesDisabled; /* Set to disable wide tnodes */
-+ int disableSoftDelete; /* yaffs 1 only: Set to disable the use of softdeletion. */
-+
-+ int deferDirectoryUpdate; /* Set to defer directory updates */
++ unsigned (*gc_control)(struct yaffs_dev_s *dev);
+
++ /* Debug control flags. Don't use unless you know what you're doing */
++ int use_header_file_size; /* Flag to determine if we should use file sizes from the header */
++ int disable_lazy_load; /* Disable lazy loading on this device */
++ int wide_tnodes_disabled; /* Set to disable wide tnodes */
++ int disable_soft_del; /* yaffs 1 only: Set to disable the use of softdeletion. */
++
++ int defered_dir_update; /* Set to defer directory updates */
+
+- int wideTnodesDisabled; /* Set to disable wide tnodes */
+#ifdef CONFIG_YAFFS_AUTO_UNICODE
-+ int autoUnicode;
++ int auto_unicode;
+#endif
-+ int alwaysCheckErased; /* Force chunk erased check always on */
++ int always_check_erased; /* Force chunk erased check always on */
+};
- YCHAR *pathDividers; /* String of legal path dividers */
-+typedef struct yaffs_DeviceParamStruct yaffs_DeviceParam;
++typedef struct yaffs_param_s yaffs_param_t;
-+struct yaffs_DeviceStruct {
-+ struct yaffs_DeviceParamStruct param;
++struct yaffs_dev_s {
++ struct yaffs_param_s param;
- /* End of stuff that must be set before initialisation. */
+ /* Context storage. Holds extra OS specific data for this device */
@@ -14678,31 +16275,34 @@
- /* Checkpoint control. Can be set before or after initialisation */
- __u8 skipCheckpointRead;
- __u8 skipCheckpointWrite;
-+ void *osContext;
-+ void *driverContext;
++ void *os_context;
++ void *driver_context;
+
-+ struct ylist_head devList;
++ struct ylist_head dev_list;
/* Runtime parameters. Set up by YAFFS. */
-+ int nDataBytesPerChunk;
++ int data_bytes_per_chunk;
- __u16 chunkGroupBits; /* 0 for devices <= 32MB. else log2(nchunks) - 16 */
+- __u16 chunkGroupSize; /* == 2^^chunkGroupBits */
+ /* Non-wide tnode stuff */
-+ __u16 chunkGroupBits; /* Number of bits that need to be resolved if
++ __u16 chunk_grp_bits; /* Number of bits that need to be resolved if
+ * the tnodes are not wide enough.
+ */
- __u16 chunkGroupSize; /* == 2^^chunkGroupBits */
++ __u16 chunk_grp_size; /* == 2^^chunk_grp_bits */
/* Stuff to support wide tnodes */
- __u32 tnodeWidth;
- __u32 tnodeMask;
-+ __u32 tnodeSize;
+- __u32 tnodeWidth;
+- __u32 tnodeMask;
++ __u32 tnode_width;
++ __u32 tnode_mask;
++ __u32 tnode_size;
/* Stuff for figuring out file offset to chunk conversions */
- __u32 chunkShift; /* Shift value */
- __u32 chunkDiv; /* Divisor after shifting: 1 for power-of-2 sizes */
- __u32 chunkMask; /* Mask to use for power-of-2 case */
-
+- __u32 chunkShift; /* Shift value */
+- __u32 chunkDiv; /* Divisor after shifting: 1 for power-of-2 sizes */
+- __u32 chunkMask; /* Mask to use for power-of-2 case */
+-
- /* Stuff to handle inband tags */
- int inbandTags;
- __u32 totalBytesPerChunk;
@@ -14716,18 +16316,81 @@
- */
- void (*putSuperFunc) (struct super_block *sb);
-#endif
++ __u32 chunk_shift; /* Shift value */
++ __u32 chunk_div; /* Divisor after shifting: 1 for power-of-2 sizes */
++ __u32 chunk_mask; /* Mask to use for power-of-2 case */
- int isMounted;
-+ int isMounted;
-+ int readOnly;
- int isCheckpointed;
+- int isCheckpointed;
++
++ int is_mounted;
++ int read_only;
++ int is_checkpointed;
-@@ -682,51 +680,31 @@ struct yaffs_DeviceStruct {
- __u32 allocationPage;
- int allocationBlockFinder; /* Used to search for next allocation block */
+ /* Stuff to support block offsetting to support start block zero */
+- int internalStartBlock;
+- int internalEndBlock;
+- int blockOffset;
+- int chunkOffset;
++ int internal_start_block;
++ int internal_end_block;
++ int block_offset;
++ int chunk_offset;
+
+ /* Runtime checkpointing stuff */
+- int checkpointPageSequence; /* running sequence number of checkpoint pages */
+- int checkpointByteCount;
+- int checkpointByteOffset;
+- __u8 *checkpointBuffer;
+- int checkpointOpenForWrite;
+- int blocksInCheckpoint;
+- int checkpointCurrentChunk;
+- int checkpointCurrentBlock;
+- int checkpointNextBlock;
+- int *checkpointBlockList;
+- int checkpointMaxBlocks;
+- __u32 checkpointSum;
+- __u32 checkpointXor;
++ int checkpt_page_seq; /* running sequence number of checkpoint pages */
++ int checkpt_byte_count;
++ int checkpt_byte_offs;
++ __u8 *checkpt_buffer;
++ int checkpt_open_write;
++ int blocks_in_checkpt;
++ int checkpt_cur_chunk;
++ int checkpt_cur_block;
++ int checkpt_next_block;
++ int *checkpt_block_list;
++ int checkpt_max_blocks;
++ __u32 checkpt_sum;
++ __u32 checkpt_xor;
+
+- int nCheckpointBlocksRequired; /* Number of blocks needed to store current checkpoint set */
++ int checkpoint_blocks_required; /* Number of blocks needed to store current checkpoint set */
+
+ /* Block Info */
+- yaffs_BlockInfo *blockInfo;
+- __u8 *chunkBits; /* bitmap of chunks in use */
+- unsigned blockInfoAlt:1; /* was allocated using alternative strategy */
+- unsigned chunkBitsAlt:1; /* was allocated using alternative strategy */
+- int chunkBitmapStride; /* Number of bytes of chunkBits per block.
+- * Must be consistent with nChunksPerBlock.
++ yaffs_block_info_t *block_info;
++ __u8 *chunk_bits; /* bitmap of chunks in use */
++ unsigned block_info_alt:1; /* was allocated using alternative strategy */
++ unsigned chunk_bits_alt:1; /* was allocated using alternative strategy */
++ int chunk_bit_stride; /* Number of bytes of chunk_bits per block.
++ * Must be consistent with chunks_per_block.
+ */
+
+- int nErasedBlocks;
+- int allocationBlock; /* Current block being allocated off */
+- __u32 allocationPage;
+- int allocationBlockFinder; /* Used to search for next allocation block */
+-
- /* Runtime state */
- int nTnodesCreated;
- yaffs_Tnode *freeTnodes;
@@ -14741,27 +16404,20 @@
- int nObjectsCreated;
- yaffs_Object *freeObjects;
- int nFreeObjects;
-+ /* Object and Tnode memory management */
-+ void *allocator;
-+ int nObjects;
-+ int nTnodes;
-
- int nHardLinks;
-
+-
+- int nHardLinks;
+-
- yaffs_ObjectList *allocatedObjectList;
-
- yaffs_ObjectBucket objectBucket[YAFFS_NOBJECT_BUCKETS];
-+ __u32 bucketFinder;
-
- int nFreeChunks;
-
+- yaffs_ObjectBucket objectBucket[YAFFS_NOBJECT_BUCKETS];
+-
+- int nFreeChunks;
+-
- int currentDirtyChecker; /* Used to find current dirtiest block */
-
-+ /* Garbage collection control */
- __u32 *gcCleanupList; /* objects to delete at the end of a GC. */
+- __u32 *gcCleanupList; /* objects to delete at the end of a GC. */
- int nonAggressiveSkip; /* GC state/mode */
-+ __u32 nCleanups;
-
+-
- /* Statistcs */
- int nPageWrites;
- int nPageReads;
@@ -14780,88 +16436,192 @@
- int nUnmarkedDeletions;
-
- int hasPendingPrioritisedGCs; /* We think this device might have pending prioritised gcs */
-+ unsigned hasPendingPrioritisedGCs; /* We think this device might have pending prioritised gcs */
-+ unsigned gcDisable;
-+ unsigned gcBlockFinder;
-+ unsigned gcDirtiest;
-+ unsigned gcPagesInUse;
-+ unsigned gcNotDone;
-+ unsigned gcBlock;
-+ unsigned gcChunk;
-+ unsigned gcSkip;
++ int n_erased_blocks;
++ int alloc_block; /* Current block being allocated off */
++ __u32 alloc_page;
++ int alloc_block_finder; /* Used to search for next allocation block */
++
++ /* Object and Tnode memory management */
++ void *allocator;
++ int n_obj;
++ int n_tnodes;
++
++ int n_hardlinks;
++
++ yaffs_obj_bucket obj_bucket[YAFFS_NOBJECT_BUCKETS];
++ __u32 bucket_finder;
++
++ int n_free_chunks;
++
++ /* Garbage collection control */
++ __u32 *gc_cleanup_list; /* objects to delete at the end of a GC. */
++ __u32 n_clean_ups;
++
++ unsigned has_pending_prioritised_gc; /* We think this device might have pending prioritised gcs */
++ unsigned gc_disable;
++ unsigned gc_block_finder;
++ unsigned gc_dirtiest;
++ unsigned gc_pages_in_use;
++ unsigned gc_not_done;
++ unsigned gc_block;
++ unsigned gc_chunk;
++ unsigned gc_skip;
/* Special directories */
- yaffs_Object *rootDir;
-@@ -743,8 +721,6 @@ struct yaffs_DeviceStruct {
- yaffs_ChunkCache *srCache;
- int srLastUse;
+- yaffs_Object *rootDir;
+- yaffs_Object *lostNFoundDir;
++ yaffs_obj_t *root_dir;
++ yaffs_obj_t *lost_n_found;
+
+ /* Buffer areas for storing data to recover from write failures TODO
+- * __u8 bufferedData[YAFFS_CHUNKS_PER_BLOCK][YAFFS_BYTES_PER_CHUNK];
+- * yaffs_Spare bufferedSpare[YAFFS_CHUNKS_PER_BLOCK];
++ * __u8 buffered_data[YAFFS_CHUNKS_PER_BLOCK][YAFFS_BYTES_PER_CHUNK];
++ * yaffs_spare buffered_spare[YAFFS_CHUNKS_PER_BLOCK];
+ */
+
+- int bufferedBlock; /* Which block is buffered here? */
+- int doingBufferedBlockRewrite;
+-
+- yaffs_ChunkCache *srCache;
+- int srLastUse;
++ int buffered_block; /* Which block is buffered here? */
++ int doing_buffered_block_rewrite;
- int cacheHits;
--
- /* Stuff for background deletion and unlinked files.*/
- yaffs_Object *unlinkedDir; /* Directory where unlinked and deleted files live. */
- yaffs_Object *deletedDir; /* Directory where deleted objects are sent to disappear. */
-@@ -753,7 +729,6 @@ struct yaffs_DeviceStruct {
- int nUnlinkedFiles; /* Count of unlinked files. */
- int nBackgroundDeletions; /* Count of background deletions. */
++ yaffs_cache_t *cache;
++ int cache_last_use;
+ /* Stuff for background deletion and unlinked files.*/
+- yaffs_Object *unlinkedDir; /* Directory where unlinked and deleted files live. */
+- yaffs_Object *deletedDir; /* Directory where deleted objects are sent to disappear. */
+- yaffs_Object *unlinkedDeletion; /* Current file being background deleted.*/
+- int nDeletedFiles; /* Count of files awaiting deletion;*/
+- int nUnlinkedFiles; /* Count of unlinked files. */
+- int nBackgroundDeletions; /* Count of background deletions. */
-
++ yaffs_obj_t *unlinked_dir; /* Directory where unlinked and deleted files live. */
++ yaffs_obj_t *del_dir; /* Directory where deleted objects are sent to disappear. */
++ yaffs_obj_t *unlinked_deletion; /* Current file being background deleted.*/
++ int n_deleted_files; /* Count of files awaiting deletion;*/
++ int n_unlinked_files; /* Count of unlinked files. */
++ int n_bg_deletions; /* Count of background deletions. */
+
/* Temporary buffer management */
- yaffs_TempBuffer tempBuffer[YAFFS_N_TEMP_BUFFERS];
- int maxTemp;
-@@ -764,6 +739,36 @@ struct yaffs_DeviceStruct {
+- yaffs_TempBuffer tempBuffer[YAFFS_N_TEMP_BUFFERS];
+- int maxTemp;
+- int tempInUse;
+- int unmanagedTempAllocations;
+- int unmanagedTempDeallocations;
++ yaffs_buffer_t temp_buffer[YAFFS_N_TEMP_BUFFERS];
++ int max_temp;
++ int temp_in_use;
++ int unmanaged_buffer_allocs;
++ int unmanaged_buffer_deallocs;
+
/* yaffs2 runtime stuff */
- unsigned sequenceNumber; /* Sequence number of currently allocating block */
- unsigned oldestDirtySequence;
-+ unsigned oldestDirtyBlock;
+- unsigned sequenceNumber; /* Sequence number of currently allocating block */
+- unsigned oldestDirtySequence;
++ unsigned seq_number; /* Sequence number of currently allocating block */
++ unsigned oldest_dirty_seq;
++ unsigned oldest_dirty_block;
+
+ /* Block refreshing */
-+ int refreshSkip; /* A skip down counter. Refresh happens when this gets to zero. */
++ int refresh_skip; /* A skip down counter. Refresh happens when this gets to zero. */
+
+ /* Dirty directory handling */
-+ struct ylist_head dirtyDirectories; /* List of dirty directories */
++ struct ylist_head dirty_dirs; /* List of dirty directories */
+
+
+ /* Statistcs */
-+ __u32 nPageWrites;
-+ __u32 nPageReads;
-+ __u32 nBlockErasures;
-+ __u32 nErasureFailures;
-+ __u32 nGCCopies;
-+ __u32 allGCs;
-+ __u32 passiveGCs;
-+ __u32 oldestDirtyGCs;
-+ __u32 nGCBlocks;
-+ __u32 backgroundGCs;
-+ __u32 nRetriedWrites;
-+ __u32 nRetiredBlocks;
-+ __u32 eccFixed;
-+ __u32 eccUnfixed;
-+ __u32 tagsEccFixed;
-+ __u32 tagsEccUnfixed;
-+ __u32 nDeletions;
-+ __u32 nUnmarkedDeletions;
-+ __u32 refreshCount;
-+ __u32 cacheHits;
++ __u32 n_page_writes;
++ __u32 n_page_reads;
++ __u32 n_erasures;
++ __u32 n_erase_failures;
++ __u32 n_gc_copies;
++ __u32 all_gcs;
++ __u32 passive_gc_count;
++ __u32 oldest_dirty_gc_count;
++ __u32 n_gc_blocks;
++ __u32 bg_gcs;
++ __u32 n_retired_writes;
++ __u32 n_retired_blocks;
++ __u32 n_ecc_fixed;
++ __u32 n_ecc_unfixed;
++ __u32 n_tags_ecc_fixed;
++ __u32 n_tags_ecc_unfixed;
++ __u32 n_deletions;
++ __u32 n_unmarked_deletions;
++ __u32 refresh_count;
++ __u32 cache_hits;
};
-@@ -796,7 +801,6 @@ typedef struct {
+-typedef struct yaffs_DeviceStruct yaffs_Device;
++typedef struct yaffs_dev_s yaffs_dev_t;
+
+ /* The static layout of block usage etc is stored in the super block header */
+ typedef struct {
+ int StructType;
+ int version;
+- int checkpointStartBlock;
+- int checkpointEndBlock;
+- int startBlock;
+- int endBlock;
++ int checkpt_start_block;
++ int checkpt_end_block;
++ int start_block;
++ int end_block;
+ int rfu[100];
+-} yaffs_SuperBlockHeader;
++} yaffs_sb_header;
+
+ /* The CheckpointDevice structure holds the device information that changes at runtime and
+ * must be preserved over unmount/mount cycles.
+ */
+ typedef struct {
+- int structType;
+- int nErasedBlocks;
+- int allocationBlock; /* Current block being allocated off */
+- __u32 allocationPage;
+- int nFreeChunks;
+-
+- int nDeletedFiles; /* Count of files awaiting deletion;*/
+- int nUnlinkedFiles; /* Count of unlinked files. */
+- int nBackgroundDeletions; /* Count of background deletions. */
++ int struct_type;
++ int n_erased_blocks;
++ int alloc_block; /* Current block being allocated off */
++ __u32 alloc_page;
++ int n_free_chunks;
++
++ int n_deleted_files; /* Count of files awaiting deletion;*/
++ int n_unlinked_files; /* Count of unlinked files. */
++ int n_bg_deletions; /* Count of background deletions. */
/* yaffs2 runtime stuff */
- unsigned sequenceNumber; /* Sequence number of currently allocating block */
+- unsigned sequenceNumber; /* Sequence number of currently allocating block */
- unsigned oldestDirtySequence;
++ unsigned seq_number; /* Sequence number of currently allocating block */
- } yaffs_CheckpointDevice;
-
-@@ -809,6 +813,23 @@ typedef struct {
- } yaffs_CheckpointValidity;
+-} yaffs_CheckpointDevice;
++} yaffs_checkpt_dev_t;
-+struct yaffs_ShadowFixerStruct {
-+ int objectId;
-+ int shadowedId;
-+ struct yaffs_ShadowFixerStruct *next;
+ typedef struct {
+- int structType;
++ int struct_type;
+ __u32 magic;
+ __u32 version;
+ __u32 head;
+-} yaffs_CheckpointValidity;
++} yaffs_checkpt_validty_t;
++
++
++struct yaffs_shadow_fixer_s {
++ int obj_id;
++ int shadowed_id;
++ struct yaffs_shadow_fixer_s *next;
+};
+
+/* Structure for doing xattr modifications */
@@ -14872,103 +16632,199 @@
+ int size;
+ int flags;
+ int result;
-+}yaffs_XAttrMod;
-+
-+
++}yaffs_xattr_mod;
+
+
/*----------------------- YAFFS Functions -----------------------*/
- int yaffs_GutsInitialise(yaffs_Device *dev);
-@@ -840,7 +861,8 @@ int yaffs_ResizeFile(yaffs_Object *obj,
+-int yaffs_GutsInitialise(yaffs_Device *dev);
+-void yaffs_Deinitialise(yaffs_Device *dev);
++int yaffs_guts_initialise(yaffs_dev_t *dev);
++void yaffs_deinitialise(yaffs_dev_t *dev);
- yaffs_Object *yaffs_MknodFile(yaffs_Object *parent, const YCHAR *name,
+-int yaffs_GetNumberOfFreeChunks(yaffs_Device *dev);
++int yaffs_get_n_free_chunks(yaffs_dev_t *dev);
+
+-int yaffs_RenameObject(yaffs_Object *oldDir, const YCHAR *oldName,
+- yaffs_Object *newDir, const YCHAR *newName);
++int yaffs_rename_obj(yaffs_obj_t *old_dir, const YCHAR *old_name,
++ yaffs_obj_t *new_dir, const YCHAR *new_name);
+
+-int yaffs_Unlink(yaffs_Object *dir, const YCHAR *name);
+-int yaffs_DeleteObject(yaffs_Object *obj);
++int yaffs_unlinker(yaffs_obj_t *dir, const YCHAR *name);
++int yaffs_del_obj(yaffs_obj_t *obj);
+
+-int yaffs_GetObjectName(yaffs_Object *obj, YCHAR *name, int buffSize);
+-int yaffs_GetObjectFileLength(yaffs_Object *obj);
+-int yaffs_GetObjectInode(yaffs_Object *obj);
+-unsigned yaffs_GetObjectType(yaffs_Object *obj);
+-int yaffs_GetObjectLinkCount(yaffs_Object *obj);
++int yaffs_get_obj_name(yaffs_obj_t *obj, YCHAR *name, int buffer_size);
++int yaffs_get_obj_length(yaffs_obj_t *obj);
++int yaffs_get_obj_inode(yaffs_obj_t *obj);
++unsigned yaffs_get_obj_type(yaffs_obj_t *obj);
++int yaffs_get_obj_link_count(yaffs_obj_t *obj);
+
+-int yaffs_SetAttributes(yaffs_Object *obj, struct iattr *attr);
+-int yaffs_GetAttributes(yaffs_Object *obj, struct iattr *attr);
++int yaffs_set_attribs(yaffs_obj_t *obj, struct iattr *attr);
++int yaffs_get_attribs(yaffs_obj_t *obj, struct iattr *attr);
+
+ /* File operations */
+-int yaffs_ReadDataFromFile(yaffs_Object *obj, __u8 *buffer, loff_t offset,
+- int nBytes);
+-int yaffs_WriteDataToFile(yaffs_Object *obj, const __u8 *buffer, loff_t offset,
+- int nBytes, int writeThrough);
+-int yaffs_ResizeFile(yaffs_Object *obj, loff_t newSize);
++int yaffs_file_rd(yaffs_obj_t *obj, __u8 *buffer, loff_t offset,
++ int n_bytes);
++int yaffs_wr_file(yaffs_obj_t *obj, const __u8 *buffer, loff_t offset,
++ int n_bytes, int write_trhrough);
++int yaffs_resize_file(yaffs_obj_t *obj, loff_t new_size);
+
+-yaffs_Object *yaffs_MknodFile(yaffs_Object *parent, const YCHAR *name,
++yaffs_obj_t *yaffs_create_file(yaffs_obj_t *parent, const YCHAR *name,
__u32 mode, __u32 uid, __u32 gid);
-int yaffs_FlushFile(yaffs_Object *obj, int updateTime);
+
-+int yaffs_FlushFile(yaffs_Object *obj, int updateTime, int dataSync);
++int yaffs_flush_file(yaffs_obj_t *obj, int update_time, int data_sync);
/* Flushing and checkpointing */
- void yaffs_FlushEntireDeviceCache(yaffs_Device *dev);
-@@ -873,6 +895,12 @@ YCHAR *yaffs_GetSymlinkAlias(yaffs_Objec
- yaffs_Object *yaffs_MknodSpecial(yaffs_Object *parent, const YCHAR *name,
+-void yaffs_FlushEntireDeviceCache(yaffs_Device *dev);
++void yaffs_flush_whole_cache(yaffs_dev_t *dev);
+
+-int yaffs_CheckpointSave(yaffs_Device *dev);
+-int yaffs_CheckpointRestore(yaffs_Device *dev);
++int yaffs_checkpoint_save(yaffs_dev_t *dev);
++int yaffs_checkpoint_restore(yaffs_dev_t *dev);
+
+ /* Directory operations */
+-yaffs_Object *yaffs_MknodDirectory(yaffs_Object *parent, const YCHAR *name,
++yaffs_obj_t *yaffs_create_dir(yaffs_obj_t *parent, const YCHAR *name,
+ __u32 mode, __u32 uid, __u32 gid);
+-yaffs_Object *yaffs_FindObjectByName(yaffs_Object *theDir, const YCHAR *name);
+-int yaffs_ApplyToDirectoryChildren(yaffs_Object *theDir,
+- int (*fn) (yaffs_Object *));
++yaffs_obj_t *yaffs_find_by_name(yaffs_obj_t *the_dir, const YCHAR *name);
++int yaffs_ApplyToDirectoryChildren(yaffs_obj_t *the_dir,
++ int (*fn) (yaffs_obj_t *));
+
+-yaffs_Object *yaffs_FindObjectByNumber(yaffs_Device *dev, __u32 number);
++yaffs_obj_t *yaffs_find_by_number(yaffs_dev_t *dev, __u32 number);
+
+ /* Link operations */
+-yaffs_Object *yaffs_Link(yaffs_Object *parent, const YCHAR *name,
+- yaffs_Object *equivalentObject);
++yaffs_obj_t *yaffs_link_obj(yaffs_obj_t *parent, const YCHAR *name,
++ yaffs_obj_t *equiv_obj);
+
+-yaffs_Object *yaffs_GetEquivalentObject(yaffs_Object *obj);
++yaffs_obj_t *yaffs_get_equivalent_obj(yaffs_obj_t *obj);
+
+ /* Symlink operations */
+-yaffs_Object *yaffs_MknodSymLink(yaffs_Object *parent, const YCHAR *name,
++yaffs_obj_t *yaffs_create_symlink(yaffs_obj_t *parent, const YCHAR *name,
+ __u32 mode, __u32 uid, __u32 gid,
+ const YCHAR *alias);
+-YCHAR *yaffs_GetSymlinkAlias(yaffs_Object *obj);
++YCHAR *yaffs_get_symlink_alias(yaffs_obj_t *obj);
+
+ /* Special inodes (fifos, sockets and devices) */
+-yaffs_Object *yaffs_MknodSpecial(yaffs_Object *parent, const YCHAR *name,
++yaffs_obj_t *yaffs_create_special(yaffs_obj_t *parent, const YCHAR *name,
__u32 mode, __u32 uid, __u32 gid, __u32 rdev);
+
-+int yaffs_SetXAttribute(yaffs_Object *obj, const YCHAR *name, const void * value, int size, int flags);
-+int yaffs_GetXAttribute(yaffs_Object *obj, const YCHAR *name, void *value, int size);
-+int yaffs_ListXAttributes(yaffs_Object *obj, char *buffer, int size);
-+int yaffs_RemoveXAttribute(yaffs_Object *obj, const YCHAR *name);
++int yaffs_set_xattrib(yaffs_obj_t *obj, const YCHAR *name, const void * value, int size, int flags);
++int yaffs_get_xattrib(yaffs_obj_t *obj, const YCHAR *name, void *value, int size);
++int yaffs_list_xattrib(yaffs_obj_t *obj, char *buffer, int size);
++int yaffs_remove_xattrib(yaffs_obj_t *obj, const YCHAR *name);
+
/* Special directories */
- yaffs_Object *yaffs_Root(yaffs_Device *dev);
- yaffs_Object *yaffs_LostNFound(yaffs_Device *dev);
-@@ -882,18 +910,18 @@ yaffs_Object *yaffs_LostNFound(yaffs_Dev
- void yfsd_WinFileTimeNow(__u32 target[2]);
+-yaffs_Object *yaffs_Root(yaffs_Device *dev);
+-yaffs_Object *yaffs_LostNFound(yaffs_Device *dev);
++yaffs_obj_t *yaffs_root(yaffs_dev_t *dev);
++yaffs_obj_t *yaffs_lost_n_found(yaffs_dev_t *dev);
+
+ #ifdef CONFIG_YAFFS_WINCE
+ /* CONFIG_YAFFS_WINCE special stuff */
+-void yfsd_WinFileTimeNow(__u32 target[2]);
++void yfsd_win_file_time_now(__u32 target[2]);
#endif
-#ifdef __KERNEL__
--
- void yaffs_HandleDeferedFree(yaffs_Object *obj);
++void yaffs_handle_defered_free(yaffs_obj_t *obj);
+
+-void yaffs_HandleDeferedFree(yaffs_Object *obj);
-#endif
++void yaffs_update_dirty_dirs(yaffs_dev_t *dev);
+
-+void yaffs_UpdateDirtyDirectories(yaffs_Device *dev);
-+
-+int yaffs_BackgroundGarbageCollect(yaffs_Device *dev, unsigned urgency);
++int yaffs_bg_gc(yaffs_dev_t *dev, unsigned urgency);
/* Debug dump */
- int yaffs_DumpObject(yaffs_Object *obj);
+-int yaffs_DumpObject(yaffs_Object *obj);
++int yaffs_dump_obj(yaffs_obj_t *obj);
- void yaffs_GutsTest(yaffs_Device *dev);
+-void yaffs_GutsTest(yaffs_Device *dev);
++void yaffs_guts_test(yaffs_dev_t *dev);
-/* A few useful functions */
-void yaffs_InitialiseTags(yaffs_ExtendedTags *tags);
+-void yaffs_DeleteChunk(yaffs_Device *dev, int chunkId, int markNAND, int lyn);
+-int yaffs_CheckFF(__u8 *buffer, int nBytes);
+-void yaffs_HandleChunkError(yaffs_Device *dev, yaffs_BlockInfo *bi);
+/* A few useful functions to be used within the core files*/
- void yaffs_DeleteChunk(yaffs_Device *dev, int chunkId, int markNAND, int lyn);
- int yaffs_CheckFF(__u8 *buffer, int nBytes);
- void yaffs_HandleChunkError(yaffs_Device *dev, yaffs_BlockInfo *bi);
-@@ -901,4 +929,41 @@ void yaffs_HandleChunkError(yaffs_Device
- __u8 *yaffs_GetTempBuffer(yaffs_Device *dev, int lineNo);
- void yaffs_ReleaseTempBuffer(yaffs_Device *dev, __u8 *buffer, int lineNo);
-
-+yaffs_Object *yaffs_FindOrCreateObjectByNumber(yaffs_Device *dev,
++void yaffs_chunk_del(yaffs_dev_t *dev, int chunk_id, int mark_flash, int lyn);
++int yaffs_check_ff(__u8 *buffer, int n_bytes);
++void yaffs_handle_chunk_error(yaffs_dev_t *dev, yaffs_block_info_t *bi);
++
++__u8 *yaffs_get_temp_buffer(yaffs_dev_t *dev, int line_no);
++void yaffs_release_temp_buffer(yaffs_dev_t *dev, __u8 *buffer, int line_no);
++
++yaffs_obj_t *yaffs_find_or_create_by_number(yaffs_dev_t *dev,
+ int number,
-+ yaffs_ObjectType type);
-+int yaffs_PutChunkIntoFile(yaffs_Object *in, int chunkInInode,
-+ int chunkInNAND, int inScan);
-+void yaffs_SetObjectName(yaffs_Object *obj, const YCHAR *name);
-+void yaffs_SetObjectNameFromOH(yaffs_Object *obj, const yaffs_ObjectHeader *oh);
-+void yaffs_AddObjectToDirectory(yaffs_Object *directory,
-+ yaffs_Object *obj);
-+YCHAR *yaffs_CloneString(const YCHAR *str);
-+void yaffs_HardlinkFixup(yaffs_Device *dev, yaffs_Object *hardList);
-+void yaffs_BlockBecameDirty(yaffs_Device *dev, int blockNo);
-+int yaffs_UpdateObjectHeader(yaffs_Object *in, const YCHAR *name,
-+ int force, int isShrink, int shadows,
-+ yaffs_XAttrMod *xop);
-+void yaffs_HandleShadowedObject(yaffs_Device *dev, int objId,
-+ int backwardScanning);
-+int yaffs_CheckSpaceForAllocation(yaffs_Device *dev, int nChunks);
-+yaffs_Tnode *yaffs_GetTnode(yaffs_Device *dev);
-+yaffs_Tnode *yaffs_AddOrFindLevel0Tnode(yaffs_Device *dev,
-+ yaffs_FileStructure *fStruct,
-+ __u32 chunkId,
-+ yaffs_Tnode *passedTn);
++ yaffs_obj_type type);
++int yaffs_put_chunk_in_file(yaffs_obj_t *in, int inode_chunk,
++ int nand_chunk, int in_scan);
++void yaffs_set_obj_name(yaffs_obj_t *obj, const YCHAR *name);
++void yaffs_set_obj_name_from_oh(yaffs_obj_t *obj, const yaffs_obj_header *oh);
++void yaffs_add_obj_to_dir(yaffs_obj_t *directory,
++ yaffs_obj_t *obj);
++YCHAR *yaffs_clone_str(const YCHAR *str);
++void yaffs_link_fixup(yaffs_dev_t *dev, yaffs_obj_t *hard_list);
++void yaffs_block_became_dirty(yaffs_dev_t *dev, int block_no);
++int yaffs_update_oh(yaffs_obj_t *in, const YCHAR *name,
++ int force, int is_shrink, int shadows,
++ yaffs_xattr_mod *xop);
++void yaffs_handle_shadowed_obj(yaffs_dev_t *dev, int obj_id,
++ int backward_scanning);
++int yaffs_check_alloc_available(yaffs_dev_t *dev, int n_chunks);
++yaffs_tnode_t *yaffs_get_tnode(yaffs_dev_t *dev);
++yaffs_tnode_t *yaffs_add_find_tnode_0(yaffs_dev_t *dev,
++ yaffs_file_s *file_struct,
++ __u32 chunk_id,
++ yaffs_tnode_t *passed_tn);
+
-+int yaffs_DoWriteDataToFile(yaffs_Object *in, const __u8 *buffer, loff_t offset,
-+ int nBytes, int writeThrough);
-+void yaffs_ResizeDown( yaffs_Object *obj, loff_t newSize);
-+void yaffs_SkipRestOfBlock(yaffs_Device *dev);
++int yaffs_do_file_wr(yaffs_obj_t *in, const __u8 *buffer, loff_t offset,
++ int n_bytes, int write_trhrough);
++void yaffs_resize_file_down( yaffs_obj_t *obj, loff_t new_size);
++void yaffs_skip_rest_of_block(yaffs_dev_t *dev);
+
-+int yaffs_CountFreeChunks(yaffs_Device *dev);
-+
-+yaffs_Tnode *yaffs_FindLevel0Tnode(yaffs_Device *dev,
-+ yaffs_FileStructure *fStruct,
-+ __u32 chunkId);
-+
-+__u32 yaffs_GetChunkGroupBase(yaffs_Device *dev, yaffs_Tnode *tn, unsigned pos);
++int yaffs_count_free_chunks(yaffs_dev_t *dev);
+
++yaffs_tnode_t *yaffs_find_tnode_0(yaffs_dev_t *dev,
++ yaffs_file_s *file_struct,
++ __u32 chunk_id);
+
+-__u8 *yaffs_GetTempBuffer(yaffs_Device *dev, int lineNo);
+-void yaffs_ReleaseTempBuffer(yaffs_Device *dev, __u8 *buffer, int lineNo);
++__u32 yaffs_get_group_base(yaffs_dev_t *dev, yaffs_tnode_t *tn, unsigned pos);
+
#endif
---- a/fs/yaffs2/yaffsinterface.h
-+++ b/fs/yaffs2/yaffsinterface.h
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/yaffsinterface.h linux-2.6.36-rc8.new/fs/yaffs2/yaffsinterface.h
+--- linux-2.6.36-rc8/fs/yaffs2/yaffsinterface.h 2010-10-20 13:17:58.955000294 +0300
++++ linux-2.6.36-rc8.new/fs/yaffs2/yaffsinterface.h 2010-10-20 13:28:16.061000294 +0300
@@ -1,7 +1,7 @@
/*
* YAFFS: Yet another Flash File System . A NAND-flash specific file system.
@@ -14978,8 +16834,17 @@
* for Toby Churchill Ltd and Brightstar Engineering
*
* Created by Charles Manning <charles@aleph1.co.uk>
---- /dev/null
-+++ b/fs/yaffs2/yaffs_linux_allocator.c
+@@ -16,6 +16,6 @@
+ #ifndef __YAFFSINTERFACE_H__
+ #define __YAFFSINTERFACE_H__
+
+-int yaffs_Initialise(unsigned nBlocks);
++int yaffs_initialise(unsigned nBlocks);
+
+ #endif
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/yaffs_linux_allocator.c linux-2.6.36-rc8.new/fs/yaffs2/yaffs_linux_allocator.c
+--- linux-2.6.36-rc8/fs/yaffs2/yaffs_linux_allocator.c 1970-01-01 02:00:00.000000000 +0200
++++ linux-2.6.36-rc8.new/fs/yaffs2/yaffs_linux_allocator.c 2010-10-20 13:28:16.028000294 +0300
@@ -0,0 +1,200 @@
+/*
+ * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
@@ -15023,7 +16888,7 @@
+
+int mount_id;
+
-+void yaffs_DeinitialiseRawTnodesAndObjects(yaffs_Device *dev)
++void yaffs_deinit_raw_tnodes_and_objs(yaffs_dev_t *dev)
+{
+ yaffs_Allocator *allocator = (yaffs_Allocator *)dev->allocator;
+
@@ -15083,10 +16948,10 @@
+ fake_ctor9,
+};
+
-+void yaffs_InitialiseRawTnodesAndObjects(yaffs_Device *dev)
++void yaffs_init_raw_tnodes_and_objs(yaffs_dev_t *dev)
+{
+ yaffs_Allocator *allocator;
-+ unsigned mount_id = yaffs_DeviceToLC(dev)->mount_id;
++ unsigned mount_id = yaffs_dev_to_lc(dev)->mount_id;
+
+ T(YAFFS_TRACE_ALLOCATE,(TSTR("Initialising yaffs allocator\n")));
+
@@ -15112,7 +16977,7 @@
+
+ allocator->tnode_cache =
+ kmem_cache_create(allocator->tnode_name,
-+ dev->tnodeSize,
++ dev->tnode_size,
+ 0, 0,
+ fake_ctor_list[mount_id]);
+ if(allocator->tnode_cache)
@@ -15128,7 +16993,7 @@
+
+ allocator->object_cache =
+ kmem_cache_create(allocator->object_name,
-+ sizeof(yaffs_Object),
++ sizeof(yaffs_obj_t),
+ 0, 0,
+ fake_ctor_list[mount_id]);
+
@@ -15146,7 +17011,7 @@
+}
+
+
-+yaffs_Tnode *yaffs_AllocateRawTnode(yaffs_Device *dev)
++yaffs_tnode_t *yaffs_alloc_raw_tnode(yaffs_dev_t *dev)
+{
+ yaffs_Allocator *allocator = dev->allocator;
+ if(!allocator || !allocator->tnode_cache){
@@ -15156,13 +17021,13 @@
+ return kmem_cache_alloc(allocator->tnode_cache, GFP_NOFS);
+}
+
-+void yaffs_FreeRawTnode(yaffs_Device *dev, yaffs_Tnode *tn)
++void yaffs_free_raw_tnode(yaffs_dev_t *dev, yaffs_tnode_t *tn)
+{
+ yaffs_Allocator *allocator = dev->allocator;
+ kmem_cache_free(allocator->tnode_cache,tn);
+}
+
-+yaffs_Object *yaffs_AllocateRawObject(yaffs_Device *dev)
++yaffs_obj_t *yaffs_alloc_raw_obj(yaffs_dev_t *dev)
+{
+ yaffs_Allocator *allocator = dev->allocator;
+ if(!allocator){
@@ -15176,13 +17041,14 @@
+ return kmem_cache_alloc(allocator->object_cache, GFP_NOFS);
+}
+
-+void yaffs_FreeRawObject(yaffs_Device *dev, yaffs_Object *obj)
++void yaffs_free_raw_obj(yaffs_dev_t *dev, yaffs_obj_t *obj)
+{
+ yaffs_Allocator *allocator = dev->allocator;
+ kmem_cache_free(allocator->object_cache,obj);
+}
---- /dev/null
-+++ b/fs/yaffs2/yaffs_linux.h
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/yaffs_linux.h linux-2.6.36-rc8.new/fs/yaffs2/yaffs_linux.h
+--- linux-2.6.36-rc8/fs/yaffs2/yaffs_linux.h 1970-01-01 02:00:00.000000000 +0200
++++ linux-2.6.36-rc8.new/fs/yaffs2/yaffs_linux.h 2010-10-20 13:28:16.061000294 +0300
@@ -0,0 +1,43 @@
+/*
+ * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
@@ -15207,7 +17073,7 @@
+
+struct yaffs_LinuxContext {
+ struct ylist_head contextList; /* List of these we have mounted */
-+ struct yaffs_DeviceStruct *dev;
++ struct yaffs_dev_s *dev;
+ struct super_block * superBlock;
+ struct task_struct *bgThread; /* Background thread for this device */
+ int bgRunning;
@@ -15222,13 +17088,14 @@
+ unsigned mount_id;
+};
+
-+#define yaffs_DeviceToLC(dev) ((struct yaffs_LinuxContext *)((dev)->osContext))
-+#define yaffs_DeviceToMtd(dev) ((struct mtd_info *)((dev)->driverContext))
++#define yaffs_dev_to_lc(dev) ((struct yaffs_LinuxContext *)((dev)->os_context))
++#define yaffs_dev_to_mtd(dev) ((struct mtd_info *)((dev)->driver_context))
+
+#endif
+
---- /dev/null
-+++ b/fs/yaffs2/yaffs_list.h
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/yaffs_list.h linux-2.6.36-rc8.new/fs/yaffs2/yaffs_list.h
+--- linux-2.6.36-rc8/fs/yaffs2/yaffs_list.h 1970-01-01 02:00:00.000000000 +0200
++++ linux-2.6.36-rc8.new/fs/yaffs2/yaffs_list.h 2010-10-20 13:28:16.062000294 +0300
@@ -0,0 +1,127 @@
+/*
+ * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
@@ -15357,8 +17224,9 @@
+
+
+#endif
---- a/fs/yaffs2/yaffs_mtdif1.c
-+++ b/fs/yaffs2/yaffs_mtdif1.c
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/yaffs_mtdif1.c linux-2.6.36-rc8.new/fs/yaffs2/yaffs_mtdif1.c
+--- linux-2.6.36-rc8/fs/yaffs2/yaffs_mtdif1.c 2010-10-20 13:17:58.956000294 +0300
++++ linux-2.6.36-rc8.new/fs/yaffs2/yaffs_mtdif1.c 2010-10-20 13:28:16.028000294 +0300
@@ -2,7 +2,7 @@
* YAFFS: Yet another FFS. A NAND-flash specific file system.
* yaffs_mtdif1.c NAND mtd interface functions for small-page NAND.
@@ -15368,14 +17236,23 @@
* for Toby Churchill Ltd and Brightstar Engineering
*
* This program is free software; you can redistribute it and/or modify
-@@ -24,9 +24,11 @@
+@@ -18,15 +18,17 @@
+ *
+ * These functions are invoked via function pointers in yaffs_nand.c.
+ * This replaces functionality provided by functions in yaffs_mtdif.c
+- * and the yaffs_TagsCompatability functions in yaffs_tagscompat.c that are
++ * and the yaffs_tags_tCompatability functions in yaffs_tagscompat.c that are
+ * called in yaffs_mtdif.c when the function pointers are NULL.
+- * We assume the MTD layer is performing ECC (useNANDECC is true).
++ * We assume the MTD layer is performing ECC (use_nand_ecc is true).
*/
#include "yportenv.h"
+#include "yaffs_trace.h"
#include "yaffs_guts.h"
#include "yaffs_packedtags1.h"
- #include "yaffs_tagscompat.h" /* for yaffs_CalcTagsECC */
+-#include "yaffs_tagscompat.h" /* for yaffs_CalcTagsECC */
++#include "yaffs_tagscompat.h" /* for yaffs_calc_tags_ecc */
+#include "yaffs_linux.h"
#include "linux/kernel.h"
@@ -15389,25 +17266,78 @@
#ifndef CONFIG_YAFFS_9BYTE_TAGS
# define YTAG1_SIZE 8
#else
-@@ -91,7 +91,7 @@ static struct nand_ecclayout nand_oob_16
- int nandmtd1_WriteChunkWithTagsToNAND(yaffs_Device *dev,
- int chunkInNAND, const __u8 *data, const yaffs_ExtendedTags *etags)
+@@ -51,12 +51,12 @@ const char *yaffs_mtdif1_c_version = "$I
+ * adjust 'oobfree' to match your existing Yaffs data.
+ *
+ * This nand_ecclayout scatters/gathers to/from the old-yaffs layout with the
+- * pageStatus byte (at NAND spare offset 4) scattered/gathered from/to
++ * page_status byte (at NAND spare offset 4) scattered/gathered from/to
+ * the 9th byte.
+ *
+ * Old-style on-NAND format: T0,T1,T2,T3,P,B,T4,T5,E0,E1,E2,T6,T7,E3,E4,E5
+- * We have/need PackedTags1 plus pageStatus: T0,T1,T2,T3,T4,T5,T6,T7,P
+- * where Tn are the tag bytes, En are MTD's ECC bytes, P is the pageStatus
++ * We have/need PackedTags1 plus page_status: T0,T1,T2,T3,T4,T5,T6,T7,P
++ * where Tn are the tag bytes, En are MTD's ECC bytes, P is the page_status
+ * byte and B is the small-page bad-block indicator byte.
+ */
+ static struct nand_ecclayout nand_oob_16 = {
+@@ -88,42 +88,40 @@ static struct nand_ecclayout nand_oob_16
+ * Any underlying MTD error results in YAFFS_FAIL.
+ * Returns YAFFS_OK or YAFFS_FAIL.
+ */
+-int nandmtd1_WriteChunkWithTagsToNAND(yaffs_Device *dev,
+- int chunkInNAND, const __u8 *data, const yaffs_ExtendedTags *etags)
++int nandmtd1_WriteChunkWithTagsToNAND(yaffs_dev_t *dev,
++ int nand_chunk, const __u8 *data, const yaffs_ext_tags *etags)
{
- struct mtd_info *mtd = dev->genericDevice;
-+ struct mtd_info *mtd = yaffs_DeviceToMtd(dev);
- int chunkBytes = dev->nDataBytesPerChunk;
- loff_t addr = ((loff_t)chunkInNAND) * chunkBytes;
+- int chunkBytes = dev->nDataBytesPerChunk;
+- loff_t addr = ((loff_t)chunkInNAND) * chunkBytes;
++ struct mtd_info *mtd = yaffs_dev_to_mtd(dev);
++ int chunkBytes = dev->data_bytes_per_chunk;
++ loff_t addr = ((loff_t)nand_chunk) * chunkBytes;
struct mtd_oob_ops ops;
-@@ -102,8 +102,6 @@ int nandmtd1_WriteChunkWithTagsToNAND(ya
+ yaffs_PackedTags1 pt1;
+ int retval;
+
+- /* we assume that PackedTags1 and yaffs_Tags are compatible */
++ /* we assume that PackedTags1 and yaffs_tags_t are compatible */
compile_time_assertion(sizeof(yaffs_PackedTags1) == 12);
- compile_time_assertion(sizeof(yaffs_Tags) == 8);
-
-- dev->nPageWrites++;
+- compile_time_assertion(sizeof(yaffs_Tags) == 8);
-
- yaffs_PackTags1(&pt1, etags);
- yaffs_CalcTagsECC((yaffs_Tags *)&pt1);
+- dev->nPageWrites++;
++ compile_time_assertion(sizeof(yaffs_tags_t) == 8);
-@@ -137,9 +135,9 @@ int nandmtd1_WriteChunkWithTagsToNAND(ya
+ yaffs_PackTags1(&pt1, etags);
+- yaffs_CalcTagsECC((yaffs_Tags *)&pt1);
++ yaffs_calc_tags_ecc((yaffs_tags_t *)&pt1);
+
+ /* When deleting a chunk, the upper layer provides only skeletal
+- * etags, one with chunkDeleted set. However, we need to update the
++ * etags, one with is_deleted set. However, we need to update the
+ * tags, not erase them completely. So we use the NAND write property
+ * that only zeroed-bits stick and set tag bytes to all-ones and
+ * zero just the (not) deleted bit.
+ */
+ #ifndef CONFIG_YAFFS_9BYTE_TAGS
+- if (etags->chunkDeleted) {
++ if (etags->is_deleted) {
+ memset(&pt1, 0xff, 8);
+ /* clear delete status bit to indicate deleted */
+ pt1.deleted = 0;
+ }
+ #else
+ ((__u8 *)&pt1)[8] = 0xff;
+- if (etags->chunkDeleted) {
++ if (etags->is_deleted) {
+ memset(&pt1, 0xff, 8);
+- /* zero pageStatus byte to indicate deleted */
++ /* zero page_status byte to indicate deleted */
+ ((__u8 *)&pt1)[8] = 0;
+ }
+ #endif
+@@ -137,20 +135,20 @@ int nandmtd1_WriteChunkWithTagsToNAND(ya
retval = mtd->write_oob(mtd, addr, &ops);
if (retval) {
@@ -15416,20 +17346,54 @@
- chunkInNAND, retval);
+ T(YAFFS_TRACE_MTD,
+ (TSTR("write_oob failed, chunk %d, mtd error %d"TENDSTR),
-+ chunkInNAND, retval));
++ nand_chunk, retval));
}
return retval ? YAFFS_FAIL : YAFFS_OK;
}
-@@ -171,7 +169,7 @@ static int rettags(yaffs_ExtendedTags *e
- int nandmtd1_ReadChunkWithTagsFromNAND(yaffs_Device *dev,
- int chunkInNAND, __u8 *data, yaffs_ExtendedTags *etags)
+
+-/* Return with empty ExtendedTags but add eccResult.
++/* Return with empty ExtendedTags but add ecc_result.
+ */
+-static int rettags(yaffs_ExtendedTags *etags, int eccResult, int retval)
++static int rettags(yaffs_ext_tags *etags, int ecc_result, int retval)
+ {
+ if (etags) {
+ memset(etags, 0, sizeof(*etags));
+- etags->eccResult = eccResult;
++ etags->ecc_result = ecc_result;
+ }
+ return retval;
+ }
+@@ -158,30 +156,28 @@ static int rettags(yaffs_ExtendedTags *e
+ /* Read a chunk (page) from NAND.
+ *
+ * Caller expects ExtendedTags data to be usable even on error; that is,
+- * all members except eccResult and blockBad are zeroed.
++ * all members except ecc_result and block_bad are zeroed.
+ *
+ * - Check ECC results for data (if applicable)
+ * - Check for blank/erased block (return empty ExtendedTags if blank)
+ * - Check the PackedTags1 mini-ECC (correct if necessary/possible)
+ * - Convert PackedTags1 to ExtendedTags
+- * - Update eccResult and blockBad members to refect state.
++ * - Update ecc_result and block_bad members to refect state.
+ *
+ * Returns YAFFS_OK or YAFFS_FAIL.
+ */
+-int nandmtd1_ReadChunkWithTagsFromNAND(yaffs_Device *dev,
+- int chunkInNAND, __u8 *data, yaffs_ExtendedTags *etags)
++int nandmtd1_ReadChunkWithTagsFromNAND(yaffs_dev_t *dev,
++ int nand_chunk, __u8 *data, yaffs_ext_tags *etags)
{
- struct mtd_info *mtd = dev->genericDevice;
-+ struct mtd_info *mtd = yaffs_DeviceToMtd(dev);
- int chunkBytes = dev->nDataBytesPerChunk;
- loff_t addr = ((loff_t)chunkInNAND) * chunkBytes;
+- int chunkBytes = dev->nDataBytesPerChunk;
+- loff_t addr = ((loff_t)chunkInNAND) * chunkBytes;
++ struct mtd_info *mtd = yaffs_dev_to_mtd(dev);
++ int chunkBytes = dev->data_bytes_per_chunk;
++ loff_t addr = ((loff_t)nand_chunk) * chunkBytes;
int eccres = YAFFS_ECC_RESULT_NO_ERROR;
-@@ -180,8 +178,6 @@ int nandmtd1_ReadChunkWithTagsFromNAND(y
+ struct mtd_oob_ops ops;
+ yaffs_PackedTags1 pt1;
int retval;
int deleted;
@@ -15447,25 +17411,106 @@
- chunkInNAND, retval);
+ T(YAFFS_TRACE_MTD,
+ (TSTR("read_oob failed, chunk %d, mtd error %d"TENDSTR),
-+ chunkInNAND, retval));
++ nand_chunk, retval));
}
switch (retval) {
-@@ -284,11 +280,11 @@ int nandmtd1_ReadChunkWithTagsFromNAND(y
+@@ -213,23 +209,23 @@ int nandmtd1_ReadChunkWithTagsFromNAND(y
+ case -EUCLEAN:
+ /* MTD's ECC fixed the data */
+ eccres = YAFFS_ECC_RESULT_FIXED;
+- dev->eccFixed++;
++ dev->n_ecc_fixed++;
+ break;
+
+ case -EBADMSG:
+ /* MTD's ECC could not fix the data */
+- dev->eccUnfixed++;
++ dev->n_ecc_unfixed++;
+ /* fall into... */
+ default:
+ rettags(etags, YAFFS_ECC_RESULT_UNFIXED, 0);
+- etags->blockBad = (mtd->block_isbad)(mtd, addr);
++ etags->block_bad = (mtd->block_isbad)(mtd, addr);
+ return YAFFS_FAIL;
+ }
+
+ /* Check for a blank/erased chunk.
+ */
+- if (yaffs_CheckFF((__u8 *)&pt1, 8)) {
+- /* when blank, upper layers want eccResult to be <= NO_ERROR */
++ if (yaffs_check_ff((__u8 *)&pt1, 8)) {
++ /* when blank, upper layers want ecc_result to be <= NO_ERROR */
+ return rettags(etags, YAFFS_ECC_RESULT_NO_ERROR, YAFFS_OK);
+ }
+
+@@ -241,37 +237,37 @@ int nandmtd1_ReadChunkWithTagsFromNAND(y
+ deleted = !pt1.deleted;
+ pt1.deleted = 1;
+ #else
+- deleted = (yaffs_CountBits(((__u8 *)&pt1)[8]) < 7);
++ deleted = (yaffs_count_bits(((__u8 *)&pt1)[8]) < 7);
+ #endif
+
+ /* Check the packed tags mini-ECC and correct if necessary/possible.
+ */
+- retval = yaffs_CheckECCOnTags((yaffs_Tags *)&pt1);
++ retval = yaffs_check_tags_ecc((yaffs_tags_t *)&pt1);
+ switch (retval) {
+ case 0:
+ /* no tags error, use MTD result */
+ break;
+ case 1:
+ /* recovered tags-ECC error */
+- dev->tagsEccFixed++;
++ dev->n_tags_ecc_fixed++;
+ if (eccres == YAFFS_ECC_RESULT_NO_ERROR)
+ eccres = YAFFS_ECC_RESULT_FIXED;
+ break;
+ default:
+ /* unrecovered tags-ECC error */
+- dev->tagsEccUnfixed++;
++ dev->n_tags_ecc_unfixed++;
+ return rettags(etags, YAFFS_ECC_RESULT_UNFIXED, YAFFS_FAIL);
+ }
+
+ /* Unpack the tags to extended form and set ECC result.
+- * [set shouldBeFF just to keep yaffs_UnpackTags1 happy]
++ * [set shouldBeFF just to keep yaffs_unpack_tags1 happy]
+ */
+ pt1.shouldBeFF = 0xFFFFFFFF;
+- yaffs_UnpackTags1(etags, &pt1);
+- etags->eccResult = eccres;
++ yaffs_unpack_tags1(etags, &pt1);
++ etags->ecc_result = eccres;
+
+ /* Set deleted state */
+- etags->chunkDeleted = deleted;
++ etags->is_deleted = deleted;
+ return YAFFS_OK;
+ }
+
+@@ -282,15 +278,15 @@ int nandmtd1_ReadChunkWithTagsFromNAND(y
+ *
+ * Returns YAFFS_OK or YAFFS_FAIL.
*/
- int nandmtd1_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo)
+-int nandmtd1_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo)
++int nandmtd1_MarkNANDBlockBad(struct yaffs_dev_s *dev, int block_no)
{
- struct mtd_info *mtd = dev->genericDevice;
- int blocksize = dev->nChunksPerBlock * dev->nDataBytesPerChunk;
-+ struct mtd_info *mtd = yaffs_DeviceToMtd(dev);
-+ int blocksize = dev->param.nChunksPerBlock * dev->nDataBytesPerChunk;
++ struct mtd_info *mtd = yaffs_dev_to_mtd(dev);
++ int blocksize = dev->param.chunks_per_block * dev->data_bytes_per_chunk;
int retval;
- yaffs_trace(YAFFS_TRACE_BAD_BLOCKS, "marking block %d bad\n", blockNo);
-+ T(YAFFS_TRACE_BAD_BLOCKS,(TSTR("marking block %d bad"TENDSTR), blockNo));
++ T(YAFFS_TRACE_BAD_BLOCKS,(TSTR("marking block %d bad"TENDSTR), block_no));
- retval = mtd->block_markbad(mtd, (loff_t)blocksize * blockNo);
+- retval = mtd->block_markbad(mtd, (loff_t)blocksize * blockNo);
++ retval = mtd->block_markbad(mtd, (loff_t)blocksize * block_no);
return (retval) ? YAFFS_FAIL : YAFFS_OK;
+ }
+
@@ -305,9 +301,9 @@ static int nandmtd1_TestPrerequists(stru
int oobavail = mtd->ecclayout->oobavail;
@@ -15479,30 +17524,54 @@
return YAFFS_FAIL;
}
return YAFFS_OK;
-@@ -325,8 +321,8 @@ static int nandmtd1_TestPrerequists(stru
- int nandmtd1_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo,
- yaffs_BlockState *pState, __u32 *pSequenceNumber)
+@@ -322,13 +318,13 @@ static int nandmtd1_TestPrerequists(stru
+ *
+ * Always returns YAFFS_OK.
+ */
+-int nandmtd1_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo,
+- yaffs_BlockState *pState, __u32 *pSequenceNumber)
++int nandmtd1_QueryNANDBlock(struct yaffs_dev_s *dev, int block_no,
++ yaffs_block_state_t *pState, __u32 *pSequenceNumber)
{
- struct mtd_info *mtd = dev->genericDevice;
- int chunkNo = blockNo * dev->nChunksPerBlock;
-+ struct mtd_info *mtd = yaffs_DeviceToMtd(dev);
-+ int chunkNo = blockNo * dev->param.nChunksPerBlock;
- loff_t addr = (loff_t)chunkNo * dev->nDataBytesPerChunk;
- yaffs_ExtendedTags etags;
+- loff_t addr = (loff_t)chunkNo * dev->nDataBytesPerChunk;
+- yaffs_ExtendedTags etags;
++ struct mtd_info *mtd = yaffs_dev_to_mtd(dev);
++ int chunkNo = block_no * dev->param.chunks_per_block;
++ loff_t addr = (loff_t)chunkNo * dev->data_bytes_per_chunk;
++ yaffs_ext_tags etags;
int state = YAFFS_BLOCK_STATE_DEAD;
-@@ -342,8 +338,8 @@ int nandmtd1_QueryNANDBlock(struct yaffs
+ int seqnum = 0;
+ int retval;
+@@ -340,17 +336,17 @@ int nandmtd1_QueryNANDBlock(struct yaffs
+ return YAFFS_FAIL;
+
retval = nandmtd1_ReadChunkWithTagsFromNAND(dev, chunkNo, NULL, &etags);
- etags.blockBad = (mtd->block_isbad)(mtd, addr);
- if (etags.blockBad) {
+- etags.blockBad = (mtd->block_isbad)(mtd, addr);
+- if (etags.blockBad) {
- yaffs_trace(YAFFS_TRACE_BAD_BLOCKS,
- "block %d is marked bad\n", blockNo);
++ etags.block_bad = (mtd->block_isbad)(mtd, addr);
++ if (etags.block_bad) {
+ T(YAFFS_TRACE_BAD_BLOCKS,
-+ (TSTR("block %d is marked bad"TENDSTR), blockNo));
++ (TSTR("block %d is marked bad"TENDSTR), block_no));
state = YAFFS_BLOCK_STATE_DEAD;
- } else if (etags.eccResult != YAFFS_ECC_RESULT_NO_ERROR) {
+- } else if (etags.eccResult != YAFFS_ECC_RESULT_NO_ERROR) {
++ } else if (etags.ecc_result != YAFFS_ECC_RESULT_NO_ERROR) {
/* bad tags, need to look more closely */
---- a/fs/yaffs2/yaffs_mtdif1-compat.c
-+++ /dev/null
+ state = YAFFS_BLOCK_STATE_NEEDS_SCANNING;
+- } else if (etags.chunkUsed) {
++ } else if (etags.chunk_used) {
+ state = YAFFS_BLOCK_STATE_NEEDS_SCANNING;
+- seqnum = etags.sequenceNumber;
++ seqnum = etags.seq_number;
+ } else {
+ state = YAFFS_BLOCK_STATE_EMPTY;
+ }
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/yaffs_mtdif1-compat.c linux-2.6.36-rc8.new/fs/yaffs2/yaffs_mtdif1-compat.c
+--- linux-2.6.36-rc8/fs/yaffs2/yaffs_mtdif1-compat.c 2010-10-20 13:17:58.956000294 +0300
++++ linux-2.6.36-rc8.new/fs/yaffs2/yaffs_mtdif1-compat.c 1970-01-01 02:00:00.000000000 +0200
@@ -1,434 +0,0 @@
-From ian@brightstareng.com Fri May 18 15:06:49 2007
-From ian@brightstareng.com Fri May 18 15:08:21 2007
@@ -15938,8 +18007,9 @@
-
-
-
---- a/fs/yaffs2/yaffs_mtdif1.h
-+++ b/fs/yaffs2/yaffs_mtdif1.h
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/yaffs_mtdif1.h linux-2.6.36-rc8.new/fs/yaffs2/yaffs_mtdif1.h
+--- linux-2.6.36-rc8/fs/yaffs2/yaffs_mtdif1.h 2010-10-20 13:17:58.957000294 +0300
++++ linux-2.6.36-rc8.new/fs/yaffs2/yaffs_mtdif1.h 2010-10-20 13:28:16.062000294 +0300
@@ -1,7 +1,7 @@
/*
* YAFFS: Yet another Flash File System. A NAND-flash specific file system.
@@ -15949,8 +18019,32 @@
* for Toby Churchill Ltd and Brightstar Engineering
*
* This program is free software; you can redistribute it and/or modify
---- a/fs/yaffs2/yaffs_mtdif2.c
-+++ b/fs/yaffs2/yaffs_mtdif2.c
+@@ -14,15 +14,15 @@
+ #ifndef __YAFFS_MTDIF1_H__
+ #define __YAFFS_MTDIF1_H__
+
+-int nandmtd1_WriteChunkWithTagsToNAND(yaffs_Device *dev, int chunkInNAND,
+- const __u8 *data, const yaffs_ExtendedTags *tags);
++int nandmtd1_WriteChunkWithTagsToNAND(yaffs_dev_t *dev, int nand_chunk,
++ const __u8 *data, const yaffs_ext_tags *tags);
+
+-int nandmtd1_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND,
+- __u8 *data, yaffs_ExtendedTags *tags);
++int nandmtd1_ReadChunkWithTagsFromNAND(yaffs_dev_t *dev, int nand_chunk,
++ __u8 *data, yaffs_ext_tags *tags);
+
+-int nandmtd1_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo);
++int nandmtd1_MarkNANDBlockBad(struct yaffs_dev_s *dev, int block_no);
+
+-int nandmtd1_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo,
+- yaffs_BlockState *state, __u32 *sequenceNumber);
++int nandmtd1_QueryNANDBlock(struct yaffs_dev_s *dev, int block_no,
++ yaffs_block_state_t *state, __u32 *seq_number);
+
+ #endif
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/yaffs_mtdif2.c linux-2.6.36-rc8.new/fs/yaffs2/yaffs_mtdif2.c
+--- linux-2.6.36-rc8/fs/yaffs2/yaffs_mtdif2.c 2010-10-20 13:17:58.957000294 +0300
++++ linux-2.6.36-rc8.new/fs/yaffs2/yaffs_mtdif2.c 2010-10-20 13:28:16.028000294 +0300
@@ -1,7 +1,7 @@
/*
* YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
@@ -15973,7 +18067,7 @@
#include "yaffs_mtdif2.h"
-@@ -27,6 +24,8 @@ const char *yaffs_mtdif2_c_version =
+@@ -27,15 +24,17 @@ const char *yaffs_mtdif2_c_version =
#include "yaffs_packedtags2.h"
@@ -15982,12 +18076,15 @@
/* NB For use with inband tags....
* We assume that the data buffer is of size totalBytersPerChunk so that we can also
* use it to load the tags.
-@@ -35,7 +34,7 @@ int nandmtd2_WriteChunkWithTagsToNAND(ya
+ */
+-int nandmtd2_WriteChunkWithTagsToNAND(yaffs_Device *dev, int chunkInNAND,
++int nandmtd2_WriteChunkWithTagsToNAND(yaffs_dev_t *dev, int nand_chunk,
const __u8 *data,
- const yaffs_ExtendedTags *tags)
+- const yaffs_ExtendedTags *tags)
++ const yaffs_ext_tags *tags)
{
- struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice);
-+ struct mtd_info *mtd = yaffs_DeviceToMtd(dev);
++ struct mtd_info *mtd = yaffs_dev_to_mtd(dev);
#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17))
struct mtd_oob_ops ops;
#else
@@ -15995,17 +18092,18 @@
yaffs_PackedTags2 pt;
-+ int packed_tags_size = dev->param.noTagsECC ? sizeof(pt.t) : sizeof(pt);
-+ void * packed_tags_ptr = dev->param.noTagsECC ? (void *) &pt.t : (void *)&pt;
++ int packed_tags_size = dev->param.no_tags_ecc ? sizeof(pt.t) : sizeof(pt);
++ void * packed_tags_ptr = dev->param.no_tags_ecc ? (void *) &pt.t : (void *)&pt;
+
T(YAFFS_TRACE_MTD,
(TSTR
("nandmtd2_WriteChunkWithTagsToNAND chunk %d data %p tags %p"
- TENDSTR), chunkInNAND, data, tags));
+- TENDSTR), chunkInNAND, data, tags));
++ TENDSTR), nand_chunk, data, tags));
- addr = ((loff_t) chunkInNAND) * dev->totalBytesPerChunk;
-+ addr = ((loff_t) chunkInNAND) * dev->param.totalBytesPerChunk;
++ addr = ((loff_t) nand_chunk) * dev->param.total_bytes_per_chunk;
/* For yaffs2 writing there must be both data and tags.
* If we're using inband tags, then the tags are stuffed into
@@ -16014,191 +18112,244 @@
if (!data || !tags)
BUG();
- else if (dev->inbandTags) {
-+ else if (dev->param.inbandTags) {
++ else if (dev->param.inband_tags) {
yaffs_PackedTags2TagsPart *pt2tp;
- pt2tp = (yaffs_PackedTags2TagsPart *)(data + dev->nDataBytesPerChunk);
+- pt2tp = (yaffs_PackedTags2TagsPart *)(data + dev->nDataBytesPerChunk);
++ pt2tp = (yaffs_PackedTags2TagsPart *)(data + dev->data_bytes_per_chunk);
yaffs_PackTags2TagsPart(pt2tp, tags);
} else
- yaffs_PackTags2(&pt, tags);
-+ yaffs_PackTags2(&pt, tags, !dev->param.noTagsECC);
++ yaffs_PackTags2(&pt, tags, !dev->param.no_tags_ecc);
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
ops.mode = MTD_OOB_AUTO;
- ops.ooblen = (dev->inbandTags) ? 0 : sizeof(pt);
- ops.len = dev->totalBytesPerChunk;
-+ ops.ooblen = (dev->param.inbandTags) ? 0 : packed_tags_size;
-+ ops.len = dev->param.totalBytesPerChunk;
++ ops.ooblen = (dev->param.inband_tags) ? 0 : packed_tags_size;
++ ops.len = dev->param.total_bytes_per_chunk;
ops.ooboffs = 0;
ops.datbuf = (__u8 *)data;
- ops.oobbuf = (dev->inbandTags) ? NULL : (void *)&pt;
-+ ops.oobbuf = (dev->param.inbandTags) ? NULL : packed_tags_ptr;
++ ops.oobbuf = (dev->param.inband_tags) ? NULL : packed_tags_ptr;
retval = mtd->write_oob(mtd, addr, &ops);
#else
- if (!dev->inbandTags) {
-+ if (!dev->param.inbandTags) {
++ if (!dev->param.inband_tags) {
retval =
- mtd->write_ecc(mtd, addr, dev->nDataBytesPerChunk,
+- mtd->write_ecc(mtd, addr, dev->nDataBytesPerChunk,
- &dummy, data, (__u8 *) &pt, NULL);
++ mtd->write_ecc(mtd, addr, dev->data_bytes_per_chunk,
+ &dummy, data, (__u8 *) packed_tags_ptr, NULL);
} else {
retval =
- mtd->write(mtd, addr, dev->totalBytesPerChunk, &dummy,
-+ mtd->write(mtd, addr, dev->param.totalBytesPerChunk, &dummy,
++ mtd->write(mtd, addr, dev->param.total_bytes_per_chunk, &dummy,
data);
}
#endif
-@@ -98,7 +100,7 @@ int nandmtd2_WriteChunkWithTagsToNAND(ya
- int nandmtd2_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND,
- __u8 *data, yaffs_ExtendedTags *tags)
+@@ -95,10 +97,10 @@ int nandmtd2_WriteChunkWithTagsToNAND(ya
+ return YAFFS_FAIL;
+ }
+
+-int nandmtd2_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND,
+- __u8 *data, yaffs_ExtendedTags *tags)
++int nandmtd2_ReadChunkWithTagsFromNAND(yaffs_dev_t *dev, int nand_chunk,
++ __u8 *data, yaffs_ext_tags *tags)
{
- struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice);
-+ struct mtd_info *mtd = yaffs_DeviceToMtd(dev);
++ struct mtd_info *mtd = yaffs_dev_to_mtd(dev);
#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17))
struct mtd_oob_ops ops;
#endif
-@@ -106,16 +108,19 @@ int nandmtd2_ReadChunkWithTagsFromNAND(y
+@@ -106,20 +108,23 @@ int nandmtd2_ReadChunkWithTagsFromNAND(y
int retval = 0;
int localData = 0;
- loff_t addr = ((loff_t) chunkInNAND) * dev->totalBytesPerChunk;
-+ loff_t addr = ((loff_t) chunkInNAND) * dev->param.totalBytesPerChunk;
++ loff_t addr = ((loff_t) nand_chunk) * dev->param.total_bytes_per_chunk;
yaffs_PackedTags2 pt;
-+ int packed_tags_size = dev->param.noTagsECC ? sizeof(pt.t) : sizeof(pt);
-+ void * packed_tags_ptr = dev->param.noTagsECC ? (void *) &pt.t: (void *)&pt;
++ int packed_tags_size = dev->param.no_tags_ecc ? sizeof(pt.t) : sizeof(pt);
++ void * packed_tags_ptr = dev->param.no_tags_ecc ? (void *) &pt.t: (void *)&pt;
+
T(YAFFS_TRACE_MTD,
(TSTR
("nandmtd2_ReadChunkWithTagsFromNAND chunk %d data %p tags %p"
- TENDSTR), chunkInNAND, data, tags));
+- TENDSTR), chunkInNAND, data, tags));
++ TENDSTR), nand_chunk, data, tags));
- if (dev->inbandTags) {
-+ if (dev->param.inbandTags) {
++ if (dev->param.inband_tags) {
if (!data) {
localData = 1;
-@@ -127,20 +132,20 @@ int nandmtd2_ReadChunkWithTagsFromNAND(y
+- data = yaffs_GetTempBuffer(dev, __LINE__);
++ data = yaffs_get_temp_buffer(dev, __LINE__);
+ }
+
+
+@@ -127,30 +132,30 @@ int nandmtd2_ReadChunkWithTagsFromNAND(y
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
- if (dev->inbandTags || (data && !tags))
- retval = mtd->read(mtd, addr, dev->totalBytesPerChunk,
-+ if (dev->param.inbandTags || (data && !tags))
-+ retval = mtd->read(mtd, addr, dev->param.totalBytesPerChunk,
++ if (dev->param.inband_tags || (data && !tags))
++ retval = mtd->read(mtd, addr, dev->param.total_bytes_per_chunk,
&dummy, data);
else if (tags) {
ops.mode = MTD_OOB_AUTO;
- ops.ooblen = sizeof(pt);
- ops.len = data ? dev->nDataBytesPerChunk : sizeof(pt);
+ ops.ooblen = packed_tags_size;
-+ ops.len = data ? dev->nDataBytesPerChunk : packed_tags_size;
++ ops.len = data ? dev->data_bytes_per_chunk : packed_tags_size;
ops.ooboffs = 0;
ops.datbuf = data;
- ops.oobbuf = dev->spareBuffer;
-+ ops.oobbuf = yaffs_DeviceToLC(dev)->spareBuffer;
++ ops.oobbuf = yaffs_dev_to_lc(dev)->spareBuffer;
retval = mtd->read_oob(mtd, addr, &ops);
}
#else
- if (!dev->inbandTags && data && tags) {
-+ if (!dev->param.inbandTags && data && tags) {
++ if (!dev->param.inband_tags && data && tags) {
- retval = mtd->read_ecc(mtd, addr, dev->nDataBytesPerChunk,
+- retval = mtd->read_ecc(mtd, addr, dev->nDataBytesPerChunk,
++ retval = mtd->read_ecc(mtd, addr, dev->data_bytes_per_chunk,
&dummy, data, dev->spareBuffer,
-@@ -150,7 +155,7 @@ int nandmtd2_ReadChunkWithTagsFromNAND(y
+ NULL);
+ } else {
+ if (data)
retval =
- mtd->read(mtd, addr, dev->nDataBytesPerChunk, &dummy,
+- mtd->read(mtd, addr, dev->nDataBytesPerChunk, &dummy,
++ mtd->read(mtd, addr, dev->data_bytes_per_chunk, &dummy,
data);
- if (!dev->inbandTags && tags)
-+ if (!dev->param.inbandTags && tags)
++ if (!dev->param.inband_tags && tags)
retval =
mtd->read_oob(mtd, addr, mtd->oobsize, &dummy,
dev->spareBuffer);
-@@ -158,7 +163,7 @@ int nandmtd2_ReadChunkWithTagsFromNAND(y
+@@ -158,41 +163,47 @@ int nandmtd2_ReadChunkWithTagsFromNAND(y
#endif
- if (dev->inbandTags) {
-+ if (dev->param.inbandTags) {
++ if (dev->param.inband_tags) {
if (tags) {
yaffs_PackedTags2TagsPart *pt2tp;
- pt2tp = (yaffs_PackedTags2TagsPart *)&data[dev->nDataBytesPerChunk];
-@@ -166,16 +171,22 @@ int nandmtd2_ReadChunkWithTagsFromNAND(y
+- pt2tp = (yaffs_PackedTags2TagsPart *)&data[dev->nDataBytesPerChunk];
+- yaffs_UnpackTags2TagsPart(tags, pt2tp);
++ pt2tp = (yaffs_PackedTags2TagsPart *)&data[dev->data_bytes_per_chunk];
++ yaffs_unpack_tags2tags_part(tags, pt2tp);
}
} else {
if (tags) {
- memcpy(&pt, dev->spareBuffer, sizeof(pt));
- yaffs_UnpackTags2(tags, &pt);
-+ memcpy(packed_tags_ptr, yaffs_DeviceToLC(dev)->spareBuffer, packed_tags_size);
-+ yaffs_UnpackTags2(tags, &pt, !dev->param.noTagsECC);
++ memcpy(packed_tags_ptr, yaffs_dev_to_lc(dev)->spareBuffer, packed_tags_size);
++ yaffs_unpack_tags2(tags, &pt, !dev->param.no_tags_ecc);
}
}
if (localData)
- yaffs_ReleaseTempBuffer(dev, data, __LINE__);
+- yaffs_ReleaseTempBuffer(dev, data, __LINE__);
++ yaffs_release_temp_buffer(dev, data, __LINE__);
- if (tags && retval == -EBADMSG && tags->eccResult == YAFFS_ECC_RESULT_NO_ERROR)
-+ if (tags && retval == -EBADMSG && tags->eccResult == YAFFS_ECC_RESULT_NO_ERROR) {
- tags->eccResult = YAFFS_ECC_RESULT_UNFIXED;
-+ dev->eccUnfixed++;
+- tags->eccResult = YAFFS_ECC_RESULT_UNFIXED;
++ if (tags && retval == -EBADMSG && tags->ecc_result == YAFFS_ECC_RESULT_NO_ERROR) {
++ tags->ecc_result = YAFFS_ECC_RESULT_UNFIXED;
++ dev->n_ecc_unfixed++;
+ }
-+ if(tags && retval == -EUCLEAN && tags->eccResult == YAFFS_ECC_RESULT_NO_ERROR) {
-+ tags->eccResult = YAFFS_ECC_RESULT_FIXED;
-+ dev->eccFixed++;
++ if(tags && retval == -EUCLEAN && tags->ecc_result == YAFFS_ECC_RESULT_NO_ERROR) {
++ tags->ecc_result = YAFFS_ECC_RESULT_FIXED;
++ dev->n_ecc_fixed++;
+ }
if (retval == 0)
return YAFFS_OK;
else
-@@ -184,15 +195,15 @@ int nandmtd2_ReadChunkWithTagsFromNAND(y
+ return YAFFS_FAIL;
+ }
- int nandmtd2_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo)
+-int nandmtd2_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo)
++int nandmtd2_MarkNANDBlockBad(struct yaffs_dev_s *dev, int block_no)
{
- struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice);
-+ struct mtd_info *mtd = yaffs_DeviceToMtd(dev);
++ struct mtd_info *mtd = yaffs_dev_to_mtd(dev);
int retval;
T(YAFFS_TRACE_MTD,
- (TSTR("nandmtd2_MarkNANDBlockBad %d" TENDSTR), blockNo));
+- (TSTR("nandmtd2_MarkNANDBlockBad %d" TENDSTR), blockNo));
++ (TSTR("nandmtd2_MarkNANDBlockBad %d" TENDSTR), block_no));
retval =
mtd->block_markbad(mtd,
- blockNo * dev->nChunksPerBlock *
- dev->totalBytesPerChunk);
-+ blockNo * dev->param.nChunksPerBlock *
-+ dev->param.totalBytesPerChunk);
++ block_no * dev->param.chunks_per_block *
++ dev->param.total_bytes_per_chunk);
if (retval == 0)
return YAFFS_OK;
-@@ -204,15 +215,15 @@ int nandmtd2_MarkNANDBlockBad(struct yaf
- int nandmtd2_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo,
- yaffs_BlockState *state, __u32 *sequenceNumber)
+@@ -201,41 +212,41 @@ int nandmtd2_MarkNANDBlockBad(struct yaf
+
+ }
+
+-int nandmtd2_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo,
+- yaffs_BlockState *state, __u32 *sequenceNumber)
++int nandmtd2_QueryNANDBlock(struct yaffs_dev_s *dev, int block_no,
++ yaffs_block_state_t *state, __u32 *seq_number)
{
- struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice);
-+ struct mtd_info *mtd = yaffs_DeviceToMtd(dev);
++ struct mtd_info *mtd = yaffs_dev_to_mtd(dev);
int retval;
T(YAFFS_TRACE_MTD,
- (TSTR("nandmtd2_QueryNANDBlock %d" TENDSTR), blockNo));
+- (TSTR("nandmtd2_QueryNANDBlock %d" TENDSTR), blockNo));
++ (TSTR("nandmtd2_QueryNANDBlock %d" TENDSTR), block_no));
retval =
mtd->block_isbad(mtd,
- blockNo * dev->nChunksPerBlock *
- dev->totalBytesPerChunk);
-+ blockNo * dev->param.nChunksPerBlock *
-+ dev->param.totalBytesPerChunk);
++ block_no * dev->param.chunks_per_block *
++ dev->param.total_bytes_per_chunk);
if (retval) {
T(YAFFS_TRACE_MTD, (TSTR("block is bad" TENDSTR)));
-@@ -223,7 +234,7 @@ int nandmtd2_QueryNANDBlock(struct yaffs
- yaffs_ExtendedTags t;
+
+ *state = YAFFS_BLOCK_STATE_DEAD;
+- *sequenceNumber = 0;
++ *seq_number = 0;
+ } else {
+- yaffs_ExtendedTags t;
++ yaffs_ext_tags t;
nandmtd2_ReadChunkWithTagsFromNAND(dev,
- blockNo *
+- blockNo *
- dev->nChunksPerBlock, NULL,
-+ dev->param.nChunksPerBlock, NULL,
++ block_no *
++ dev->param.chunks_per_block, NULL,
&t);
- if (t.chunkUsed) {
---- a/fs/yaffs2/yaffs_mtdif2.h
-+++ b/fs/yaffs2/yaffs_mtdif2.h
+- if (t.chunkUsed) {
+- *sequenceNumber = t.sequenceNumber;
++ if (t.chunk_used) {
++ *seq_number = t.seq_number;
+ *state = YAFFS_BLOCK_STATE_NEEDS_SCANNING;
+ } else {
+- *sequenceNumber = 0;
++ *seq_number = 0;
+ *state = YAFFS_BLOCK_STATE_EMPTY;
+ }
+ }
+ T(YAFFS_TRACE_MTD,
+- (TSTR("block is bad seq %d state %d" TENDSTR), *sequenceNumber,
++ (TSTR("block is bad seq %d state %d" TENDSTR), *seq_number,
+ *state));
+
+ if (retval == 0)
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/yaffs_mtdif2.h linux-2.6.36-rc8.new/fs/yaffs2/yaffs_mtdif2.h
+--- linux-2.6.36-rc8/fs/yaffs2/yaffs_mtdif2.h 2010-10-20 13:17:58.957000294 +0300
++++ linux-2.6.36-rc8.new/fs/yaffs2/yaffs_mtdif2.h 2010-10-20 13:28:16.062000294 +0300
@@ -1,7 +1,7 @@
/*
* YAFFS: Yet another Flash File System . A NAND-flash specific file system.
@@ -16208,8 +18359,30 @@
* for Toby Churchill Ltd and Brightstar Engineering
*
* Created by Charles Manning <charles@aleph1.co.uk>
---- a/fs/yaffs2/yaffs_mtdif.c
-+++ b/fs/yaffs2/yaffs_mtdif.c
+@@ -17,13 +17,13 @@
+ #define __YAFFS_MTDIF2_H__
+
+ #include "yaffs_guts.h"
+-int nandmtd2_WriteChunkWithTagsToNAND(yaffs_Device *dev, int chunkInNAND,
++int nandmtd2_WriteChunkWithTagsToNAND(yaffs_dev_t *dev, int nand_chunk,
+ const __u8 *data,
+- const yaffs_ExtendedTags *tags);
+-int nandmtd2_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND,
+- __u8 *data, yaffs_ExtendedTags *tags);
+-int nandmtd2_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo);
+-int nandmtd2_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo,
+- yaffs_BlockState *state, __u32 *sequenceNumber);
++ const yaffs_ext_tags *tags);
++int nandmtd2_ReadChunkWithTagsFromNAND(yaffs_dev_t *dev, int nand_chunk,
++ __u8 *data, yaffs_ext_tags *tags);
++int nandmtd2_MarkNANDBlockBad(struct yaffs_dev_s *dev, int block_no);
++int nandmtd2_QueryNANDBlock(struct yaffs_dev_s *dev, int block_no,
++ yaffs_block_state_t *state, __u32 *seq_number);
+
+ #endif
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/yaffs_mtdif.c linux-2.6.36-rc8.new/fs/yaffs2/yaffs_mtdif.c
+--- linux-2.6.36-rc8/fs/yaffs2/yaffs_mtdif.c 2010-10-20 13:17:58.958000294 +0300
++++ linux-2.6.36-rc8.new/fs/yaffs2/yaffs_mtdif.c 2010-10-20 13:28:16.029000294 +0300
@@ -1,7 +1,7 @@
/*
* YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
@@ -16353,7 +18526,8 @@
-#endif
- size_t dummy;
- int retval = 0;
--
++#include "yaffs_linux.h"
+
- loff_t addr = ((loff_t) chunkInNAND) * dev->nDataBytesPerChunk;
-#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17))
- __u8 spareAsBytes[8]; /* OOB */
@@ -16413,17 +18587,17 @@
- else
- return YAFFS_FAIL;
-}
-+#include "yaffs_linux.h"
-
- int nandmtd_EraseBlockInNAND(yaffs_Device *dev, int blockNumber)
+-
+-int nandmtd_EraseBlockInNAND(yaffs_Device *dev, int blockNumber)
++int nandmtd_EraseBlockInNAND(yaffs_dev_t *dev, int blockNumber)
{
- struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice);
-+ struct mtd_info *mtd = yaffs_DeviceToMtd(dev);
++ struct mtd_info *mtd = yaffs_dev_to_mtd(dev);
__u32 addr =
- ((loff_t) blockNumber) * dev->nDataBytesPerChunk
- * dev->nChunksPerBlock;
-+ ((loff_t) blockNumber) * dev->param.totalBytesPerChunk
-+ * dev->param.nChunksPerBlock;
++ ((loff_t) blockNumber) * dev->param.total_bytes_per_chunk
++ * dev->param.chunks_per_block;
struct erase_info ei;
+
int retval = 0;
@@ -16431,7 +18605,7 @@
ei.mtd = mtd;
ei.addr = addr;
- ei.len = dev->nDataBytesPerChunk * dev->nChunksPerBlock;
-+ ei.len = dev->param.totalBytesPerChunk * dev->param.nChunksPerBlock;
++ ei.len = dev->param.total_bytes_per_chunk * dev->param.chunks_per_block;
ei.time = 1000;
ei.retries = 2;
ei.callback = NULL;
@@ -16444,8 +18618,18 @@
retval = mtd->erase(mtd, &ei);
if (retval == 0)
---- a/fs/yaffs2/yaffs_mtdif.h
-+++ b/fs/yaffs2/yaffs_mtdif.h
+@@ -234,7 +49,7 @@ int nandmtd_EraseBlockInNAND(yaffs_Devic
+ return YAFFS_FAIL;
+ }
+
+-int nandmtd_InitialiseNAND(yaffs_Device *dev)
++int nandmtd_InitialiseNAND(yaffs_dev_t *dev)
+ {
+ return YAFFS_OK;
+ }
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/yaffs_mtdif.h linux-2.6.36-rc8.new/fs/yaffs2/yaffs_mtdif.h
+--- linux-2.6.36-rc8/fs/yaffs2/yaffs_mtdif.h 2010-10-20 13:17:58.958000294 +0300
++++ linux-2.6.36-rc8.new/fs/yaffs2/yaffs_mtdif.h 2010-10-20 13:28:16.062000294 +0300
@@ -1,7 +1,7 @@
/*
* YAFFS: Yet another Flash File System . A NAND-flash specific file system.
@@ -16464,11 +18648,14 @@
- const __u8 *data, const yaffs_Spare *spare);
-int nandmtd_ReadChunkFromNAND(yaffs_Device *dev, int chunkInNAND, __u8 *data,
- yaffs_Spare *spare);
- int nandmtd_EraseBlockInNAND(yaffs_Device *dev, int blockNumber);
- int nandmtd_InitialiseNAND(yaffs_Device *dev);
+-int nandmtd_EraseBlockInNAND(yaffs_Device *dev, int blockNumber);
+-int nandmtd_InitialiseNAND(yaffs_Device *dev);
++int nandmtd_EraseBlockInNAND(yaffs_dev_t *dev, int blockNumber);
++int nandmtd_InitialiseNAND(yaffs_dev_t *dev);
#endif
---- /dev/null
-+++ b/fs/yaffs2/yaffs_nameval.c
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/yaffs_nameval.c linux-2.6.36-rc8.new/fs/yaffs2/yaffs_nameval.c
+--- linux-2.6.36-rc8/fs/yaffs2/yaffs_nameval.c 1970-01-01 02:00:00.000000000 +0200
++++ linux-2.6.36-rc8.new/fs/yaffs2/yaffs_nameval.c 2010-10-20 13:28:16.029000294 +0300
@@ -0,0 +1,197 @@
+/*
+ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
@@ -16667,8 +18854,9 @@
+{
+ return nval_used(xb, xb_size) > 0;
+}
---- /dev/null
-+++ b/fs/yaffs2/yaffs_nameval.h
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/yaffs_nameval.h linux-2.6.36-rc8.new/fs/yaffs2/yaffs_nameval.h
+--- linux-2.6.36-rc8/fs/yaffs2/yaffs_nameval.h 1970-01-01 02:00:00.000000000 +0200
++++ linux-2.6.36-rc8.new/fs/yaffs2/yaffs_nameval.h 2010-10-20 13:28:16.062000294 +0300
@@ -0,0 +1,25 @@
+/*
+ * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
@@ -16695,8 +18883,9 @@
+int nval_list(const char *xb, int xb_size, char *buf, int bsize);
+int nval_hasvalues(const char *xb, int xb_size);
+#endif
---- a/fs/yaffs2/yaffs_nand.c
-+++ b/fs/yaffs2/yaffs_nand.c
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/yaffs_nand.c linux-2.6.36-rc8.new/fs/yaffs2/yaffs_nand.c
+--- linux-2.6.36-rc8/fs/yaffs2/yaffs_nand.c 2010-10-20 13:17:58.959000294 +0300
++++ linux-2.6.36-rc8.new/fs/yaffs2/yaffs_nand.c 2010-10-20 13:28:16.029000294 +0300
@@ -1,7 +1,7 @@
/*
* YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
@@ -16706,7 +18895,7 @@
* for Toby Churchill Ltd and Brightstar Engineering
*
* Created by Charles Manning <charles@aleph1.co.uk>
-@@ -11,9 +11,6 @@
+@@ -11,124 +11,129 @@
* published by the Free Software Foundation.
*/
@@ -16716,102 +18905,177 @@
#include "yaffs_nand.h"
#include "yaffs_tagscompat.h"
#include "yaffs_tagsvalidity.h"
-@@ -29,12 +26,14 @@ int yaffs_ReadChunkWithTagsFromNAND(yaff
- int realignedChunkInNAND = chunkInNAND - dev->chunkOffset;
+ #include "yaffs_getblockinfo.h"
-+ dev->nPageReads++;
+-int yaffs_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND,
++int yaffs_rd_chunk_tags_nand(yaffs_dev_t *dev, int nand_chunk,
+ __u8 *buffer,
+- yaffs_ExtendedTags *tags)
++ yaffs_ext_tags *tags)
+ {
+ int result;
+- yaffs_ExtendedTags localTags;
++ yaffs_ext_tags localTags;
+
++ int realignedChunkInNAND = nand_chunk - dev->chunk_offset;
+
+- int realignedChunkInNAND = chunkInNAND - dev->chunkOffset;
++ dev->n_page_reads++;
+
/* If there are no tags provided, use local tags to get prioritised gc working */
if (!tags)
tags = &localTags;
- if (dev->readChunkWithTagsFromNAND)
- result = dev->readChunkWithTagsFromNAND(dev, realignedChunkInNAND, buffer,
-+ if (dev->param.readChunkWithTagsFromNAND)
-+ result = dev->param.readChunkWithTagsFromNAND(dev, realignedChunkInNAND, buffer,
++ if (dev->param.read_chunk_tags_fn)
++ result = dev->param.read_chunk_tags_fn(dev, realignedChunkInNAND, buffer,
tags);
else
- result = yaffs_TagsCompatabilityReadChunkWithTagsFromNAND(dev,
-@@ -44,7 +43,8 @@ int yaffs_ReadChunkWithTagsFromNAND(yaff
+- result = yaffs_TagsCompatabilityReadChunkWithTagsFromNAND(dev,
++ result = yaffs_tags_compat_rd(dev,
+ realignedChunkInNAND,
+ buffer,
+ tags);
if (tags &&
- tags->eccResult > YAFFS_ECC_RESULT_NO_ERROR) {
+- tags->eccResult > YAFFS_ECC_RESULT_NO_ERROR) {
++ tags->ecc_result > YAFFS_ECC_RESULT_NO_ERROR) {
- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, chunkInNAND/dev->nChunksPerBlock);
-+ yaffs_BlockInfo *bi;
-+ bi = yaffs_GetBlockInfo(dev, chunkInNAND/dev->param.nChunksPerBlock);
- yaffs_HandleChunkError(dev, bi);
+- yaffs_HandleChunkError(dev, bi);
++ yaffs_block_info_t *bi;
++ bi = yaffs_get_block_info(dev, nand_chunk/dev->param.chunks_per_block);
++ yaffs_handle_chunk_error(dev, bi);
}
-@@ -56,6 +56,9 @@ int yaffs_WriteChunkWithTagsToNAND(yaffs
+ return result;
+ }
+
+-int yaffs_WriteChunkWithTagsToNAND(yaffs_Device *dev,
+- int chunkInNAND,
++int yaffs_wr_chunk_tags_nand(yaffs_dev_t *dev,
++ int nand_chunk,
const __u8 *buffer,
- yaffs_ExtendedTags *tags)
+- yaffs_ExtendedTags *tags)
++ yaffs_ext_tags *tags)
{
+- chunkInNAND -= dev->chunkOffset;
+
-+ dev->nPageWrites++;
++ dev->n_page_writes++;
+
- chunkInNAND -= dev->chunkOffset;
++ nand_chunk -= dev->chunk_offset;
-@@ -75,8 +78,8 @@ int yaffs_WriteChunkWithTagsToNAND(yaffs
+ if (tags) {
+- tags->sequenceNumber = dev->sequenceNumber;
+- tags->chunkUsed = 1;
+- if (!yaffs_ValidateTags(tags)) {
++ tags->seq_number = dev->seq_number;
++ tags->chunk_used = 1;
++ if (!yaffs_validate_tags(tags)) {
+ T(YAFFS_TRACE_ERROR,
+ (TSTR("Writing uninitialised tags" TENDSTR)));
+ YBUG();
+ }
+ T(YAFFS_TRACE_WRITE,
+- (TSTR("Writing chunk %d tags %d %d" TENDSTR), chunkInNAND,
+- tags->objectId, tags->chunkId));
++ (TSTR("Writing chunk %d tags %d %d" TENDSTR), nand_chunk,
++ tags->obj_id, tags->chunk_id));
+ } else {
+ T(YAFFS_TRACE_ERROR, (TSTR("Writing with no tags" TENDSTR)));
YBUG();
}
- if (dev->writeChunkWithTagsToNAND)
- return dev->writeChunkWithTagsToNAND(dev, chunkInNAND, buffer,
-+ if (dev->param.writeChunkWithTagsToNAND)
-+ return dev->param.writeChunkWithTagsToNAND(dev, chunkInNAND, buffer,
++ if (dev->param.write_chunk_tags_fn)
++ return dev->param.write_chunk_tags_fn(dev, nand_chunk, buffer,
tags);
else
- return yaffs_TagsCompatabilityWriteChunkWithTagsToNAND(dev,
-@@ -89,9 +92,9 @@ int yaffs_MarkBlockBad(yaffs_Device *dev
+- return yaffs_TagsCompatabilityWriteChunkWithTagsToNAND(dev,
+- chunkInNAND,
++ return yaffs_tags_compat_wr(dev,
++ nand_chunk,
+ buffer,
+ tags);
+ }
+
+-int yaffs_MarkBlockBad(yaffs_Device *dev, int blockNo)
++int yaffs_mark_bad(yaffs_dev_t *dev, int block_no)
{
- blockNo -= dev->blockOffset;
+- blockNo -= dev->blockOffset;
++ block_no -= dev->block_offset;
++
-;
- if (dev->markNANDBlockBad)
- return dev->markNANDBlockBad(dev, blockNo);
-+
-+ if (dev->param.markNANDBlockBad)
-+ return dev->param.markNANDBlockBad(dev, blockNo);
++ if (dev->param.bad_block_fn)
++ return dev->param.bad_block_fn(dev, block_no);
else
- return yaffs_TagsCompatabilityMarkNANDBlockBad(dev, blockNo);
+- return yaffs_TagsCompatabilityMarkNANDBlockBad(dev, blockNo);
++ return yaffs_tags_compat_mark_bad(dev, block_no);
}
-@@ -103,8 +106,8 @@ int yaffs_QueryInitialBlockState(yaffs_D
+
+-int yaffs_QueryInitialBlockState(yaffs_Device *dev,
+- int blockNo,
+- yaffs_BlockState *state,
+- __u32 *sequenceNumber)
++int yaffs_query_init_block_state(yaffs_dev_t *dev,
++ int block_no,
++ yaffs_block_state_t *state,
++ __u32 *seq_number)
{
- blockNo -= dev->blockOffset;
+- blockNo -= dev->blockOffset;
++ block_no -= dev->block_offset;
- if (dev->queryNANDBlock)
- return dev->queryNANDBlock(dev, blockNo, state, sequenceNumber);
-+ if (dev->param.queryNANDBlock)
-+ return dev->param.queryNANDBlock(dev, blockNo, state, sequenceNumber);
++ if (dev->param.query_block_fn)
++ return dev->param.query_block_fn(dev, block_no, state, seq_number);
else
- return yaffs_TagsCompatabilityQueryNANDBlock(dev, blockNo,
+- return yaffs_TagsCompatabilityQueryNANDBlock(dev, blockNo,
++ return yaffs_tags_compat_query_block(dev, block_no,
state,
-@@ -119,16 +122,18 @@ int yaffs_EraseBlockInNAND(struct yaffs_
+- sequenceNumber);
++ seq_number);
+ }
- blockInNAND -= dev->blockOffset;
--
- dev->nBlockErasures++;
+-int yaffs_EraseBlockInNAND(struct yaffs_DeviceStruct *dev,
+- int blockInNAND)
++int yaffs_erase_block(struct yaffs_dev_s *dev,
++ int flash_block)
+ {
+ int result;
+
+- blockInNAND -= dev->blockOffset;
++ flash_block -= dev->block_offset;
+
++ dev->n_erasures++;
+
+- dev->nBlockErasures++;
- result = dev->eraseBlockInNAND(dev, blockInNAND);
-+
-+ result = dev->param.eraseBlockInNAND(dev, blockInNAND);
++ result = dev->param.erase_fn(dev, flash_block);
return result;
}
- int yaffs_InitialiseNAND(struct yaffs_DeviceStruct *dev)
+-int yaffs_InitialiseNAND(struct yaffs_DeviceStruct *dev)
++int yaffs_init_nand(struct yaffs_dev_s *dev)
{
- return dev->initialiseNAND(dev);
-+ if(dev->param.initialiseNAND)
-+ return dev->param.initialiseNAND(dev);
++ if(dev->param.initialise_flash_fn)
++ return dev->param.initialise_flash_fn(dev);
+ return YAFFS_OK;
}
---- a/fs/yaffs2/yaffs_nandemul2k.h
-+++ b/fs/yaffs2/yaffs_nandemul2k.h
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/yaffs_nandemul2k.h linux-2.6.36-rc8.new/fs/yaffs2/yaffs_nandemul2k.h
+--- linux-2.6.36-rc8/fs/yaffs2/yaffs_nandemul2k.h 2010-10-20 13:17:58.959000294 +0300
++++ linux-2.6.36-rc8.new/fs/yaffs2/yaffs_nandemul2k.h 2010-10-20 13:28:16.063000294 +0300
@@ -1,7 +1,7 @@
/*
* YAFFS: Yet another Flash File System . A NAND-flash specific file system.
@@ -16821,8 +19085,40 @@
* for Toby Churchill Ltd and Brightstar Engineering
*
* Created by Charles Manning <charles@aleph1.co.uk>
---- a/fs/yaffs2/yaffs_nand.h
-+++ b/fs/yaffs2/yaffs_nand.h
+@@ -20,18 +20,18 @@
+
+ #include "yaffs_guts.h"
+
+-int nandemul2k_WriteChunkWithTagsToNAND(struct yaffs_DeviceStruct *dev,
+- int chunkInNAND, const __u8 *data,
+- const yaffs_ExtendedTags *tags);
+-int nandemul2k_ReadChunkWithTagsFromNAND(struct yaffs_DeviceStruct *dev,
+- int chunkInNAND, __u8 *data,
+- yaffs_ExtendedTags *tags);
+-int nandemul2k_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo);
+-int nandemul2k_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo,
+- yaffs_BlockState *state, __u32 *sequenceNumber);
+-int nandemul2k_EraseBlockInNAND(struct yaffs_DeviceStruct *dev,
+- int blockInNAND);
+-int nandemul2k_InitialiseNAND(struct yaffs_DeviceStruct *dev);
++int nandemul2k_WriteChunkWithTagsToNAND(struct yaffs_dev_s *dev,
++ int nand_chunk, const __u8 *data,
++ const yaffs_ext_tags *tags);
++int nandemul2k_ReadChunkWithTagsFromNAND(struct yaffs_dev_s *dev,
++ int nand_chunk, __u8 *data,
++ yaffs_ext_tags *tags);
++int nandemul2k_MarkNANDBlockBad(struct yaffs_dev_s *dev, int block_no);
++int nandemul2k_QueryNANDBlock(struct yaffs_dev_s *dev, int block_no,
++ yaffs_block_state_t *state, __u32 *seq_number);
++int nandemul2k_EraseBlockInNAND(struct yaffs_dev_s *dev,
++ int flash_block);
++int nandemul2k_InitialiseNAND(struct yaffs_dev_s *dev);
+ int nandemul2k_GetBytesPerChunk(void);
+ int nandemul2k_GetChunksPerBlock(void);
+ int nandemul2k_GetNumberOfBlocks(void);
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/yaffs_nand.h linux-2.6.36-rc8.new/fs/yaffs2/yaffs_nand.h
+--- linux-2.6.36-rc8/fs/yaffs2/yaffs_nand.h 2010-10-20 13:17:58.959000294 +0300
++++ linux-2.6.36-rc8.new/fs/yaffs2/yaffs_nand.h 2010-10-20 13:28:16.063000294 +0300
@@ -1,7 +1,7 @@
/*
* YAFFS: Yet another Flash File System . A NAND-flash specific file system.
@@ -16832,8 +19128,49 @@
* for Toby Churchill Ltd and Brightstar Engineering
*
* Created by Charles Manning <charles@aleph1.co.uk>
---- a/fs/yaffs2/yaffs_packedtags1.c
-+++ b/fs/yaffs2/yaffs_packedtags1.c
+@@ -19,26 +19,26 @@
+
+
+
+-int yaffs_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND,
++int yaffs_rd_chunk_tags_nand(yaffs_dev_t *dev, int nand_chunk,
+ __u8 *buffer,
+- yaffs_ExtendedTags *tags);
++ yaffs_ext_tags *tags);
+
+-int yaffs_WriteChunkWithTagsToNAND(yaffs_Device *dev,
+- int chunkInNAND,
++int yaffs_wr_chunk_tags_nand(yaffs_dev_t *dev,
++ int nand_chunk,
+ const __u8 *buffer,
+- yaffs_ExtendedTags *tags);
++ yaffs_ext_tags *tags);
+
+-int yaffs_MarkBlockBad(yaffs_Device *dev, int blockNo);
++int yaffs_mark_bad(yaffs_dev_t *dev, int block_no);
+
+-int yaffs_QueryInitialBlockState(yaffs_Device *dev,
+- int blockNo,
+- yaffs_BlockState *state,
+- unsigned *sequenceNumber);
++int yaffs_query_init_block_state(yaffs_dev_t *dev,
++ int block_no,
++ yaffs_block_state_t *state,
++ unsigned *seq_number);
+
+-int yaffs_EraseBlockInNAND(struct yaffs_DeviceStruct *dev,
+- int blockInNAND);
++int yaffs_erase_block(struct yaffs_dev_s *dev,
++ int flash_block);
+
+-int yaffs_InitialiseNAND(struct yaffs_DeviceStruct *dev);
++int yaffs_init_nand(struct yaffs_dev_s *dev);
+
+ #endif
+
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/yaffs_packedtags1.c linux-2.6.36-rc8.new/fs/yaffs2/yaffs_packedtags1.c
+--- linux-2.6.36-rc8/fs/yaffs2/yaffs_packedtags1.c 2010-10-20 13:17:58.959000294 +0300
++++ linux-2.6.36-rc8.new/fs/yaffs2/yaffs_packedtags1.c 2010-10-20 13:28:16.029000294 +0300
@@ -1,7 +1,7 @@
/*
* YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
@@ -16843,8 +19180,64 @@
* for Toby Churchill Ltd and Brightstar Engineering
*
* Created by Charles Manning <charles@aleph1.co.uk>
---- a/fs/yaffs2/yaffs_packedtags1.h
-+++ b/fs/yaffs2/yaffs_packedtags1.h
+@@ -14,37 +14,37 @@
+ #include "yaffs_packedtags1.h"
+ #include "yportenv.h"
+
+-void yaffs_PackTags1(yaffs_PackedTags1 *pt, const yaffs_ExtendedTags *t)
++void yaffs_PackTags1(yaffs_PackedTags1 *pt, const yaffs_ext_tags *t)
+ {
+- pt->chunkId = t->chunkId;
+- pt->serialNumber = t->serialNumber;
+- pt->byteCount = t->byteCount;
+- pt->objectId = t->objectId;
++ pt->chunk_id = t->chunk_id;
++ pt->serial_number = t->serial_number;
++ pt->n_bytes = t->n_bytes;
++ pt->obj_id = t->obj_id;
+ pt->ecc = 0;
+- pt->deleted = (t->chunkDeleted) ? 0 : 1;
++ pt->deleted = (t->is_deleted) ? 0 : 1;
+ pt->unusedStuff = 0;
+ pt->shouldBeFF = 0xFFFFFFFF;
+
+ }
+
+-void yaffs_UnpackTags1(yaffs_ExtendedTags *t, const yaffs_PackedTags1 *pt)
++void yaffs_unpack_tags1(yaffs_ext_tags *t, const yaffs_PackedTags1 *pt)
+ {
+ static const __u8 allFF[] =
+ { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xff };
+
+ if (memcmp(allFF, pt, sizeof(yaffs_PackedTags1))) {
+- t->blockBad = 0;
++ t->block_bad = 0;
+ if (pt->shouldBeFF != 0xFFFFFFFF)
+- t->blockBad = 1;
+- t->chunkUsed = 1;
+- t->objectId = pt->objectId;
+- t->chunkId = pt->chunkId;
+- t->byteCount = pt->byteCount;
+- t->eccResult = YAFFS_ECC_RESULT_NO_ERROR;
+- t->chunkDeleted = (pt->deleted) ? 0 : 1;
+- t->serialNumber = pt->serialNumber;
++ t->block_bad = 1;
++ t->chunk_used = 1;
++ t->obj_id = pt->obj_id;
++ t->chunk_id = pt->chunk_id;
++ t->n_bytes = pt->n_bytes;
++ t->ecc_result = YAFFS_ECC_RESULT_NO_ERROR;
++ t->is_deleted = (pt->deleted) ? 0 : 1;
++ t->serial_number = pt->serial_number;
+ } else {
+- memset(t, 0, sizeof(yaffs_ExtendedTags));
++ memset(t, 0, sizeof(yaffs_ext_tags));
+ }
+ }
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/yaffs_packedtags1.h linux-2.6.36-rc8.new/fs/yaffs2/yaffs_packedtags1.h
+--- linux-2.6.36-rc8/fs/yaffs2/yaffs_packedtags1.h 2010-10-20 13:17:58.960000294 +0300
++++ linux-2.6.36-rc8.new/fs/yaffs2/yaffs_packedtags1.h 2010-10-20 13:28:16.063000294 +0300
@@ -1,7 +1,7 @@
/*
* YAFFS: Yet another Flash File System . A NAND-flash specific file system.
@@ -16854,8 +19247,33 @@
* for Toby Churchill Ltd and Brightstar Engineering
*
* Created by Charles Manning <charles@aleph1.co.uk>
---- a/fs/yaffs2/yaffs_packedtags2.c
-+++ b/fs/yaffs2/yaffs_packedtags2.c
+@@ -21,10 +21,10 @@
+ #include "yaffs_guts.h"
+
+ typedef struct {
+- unsigned chunkId:20;
+- unsigned serialNumber:2;
+- unsigned byteCount:10;
+- unsigned objectId:18;
++ unsigned chunk_id:20;
++ unsigned serial_number:2;
++ unsigned n_bytes:10;
++ unsigned obj_id:18;
+ unsigned ecc:12;
+ unsigned deleted:1;
+ unsigned unusedStuff:1;
+@@ -32,6 +32,6 @@ typedef struct {
+
+ } yaffs_PackedTags1;
+
+-void yaffs_PackTags1(yaffs_PackedTags1 *pt, const yaffs_ExtendedTags *t);
+-void yaffs_UnpackTags1(yaffs_ExtendedTags *t, const yaffs_PackedTags1 *pt);
++void yaffs_PackTags1(yaffs_PackedTags1 *pt, const yaffs_ext_tags *t);
++void yaffs_unpack_tags1(yaffs_ext_tags *t, const yaffs_PackedTags1 *pt);
+ #endif
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/yaffs_packedtags2.c linux-2.6.36-rc8.new/fs/yaffs2/yaffs_packedtags2.c
+--- linux-2.6.36-rc8/fs/yaffs2/yaffs_packedtags2.c 2010-10-20 13:17:58.960000294 +0300
++++ linux-2.6.36-rc8.new/fs/yaffs2/yaffs_packedtags2.c 2010-10-20 13:28:16.029000294 +0300
@@ -1,7 +1,7 @@
/*
* YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
@@ -16873,19 +19291,112 @@
#include "yaffs_tagsvalidity.h"
/* This code packs a set of extended tags into a binary structure for
-@@ -96,17 +97,14 @@ void yaffs_PackTags2TagsPart(yaffs_Packe
+@@ -24,7 +25,7 @@
+ * This is defined by having the EXTRA_HEADER_INFO_FLAG set.
+ */
+
+-/* Extra flags applied to chunkId */
++/* Extra flags applied to chunk_id */
+
+ #define EXTRA_HEADER_INFO_FLAG 0x80000000
+ #define EXTRA_SHRINK_FLAG 0x40000000
+@@ -42,53 +43,53 @@ static void yaffs_DumpPackedTags2TagsPar
+ {
+ T(YAFFS_TRACE_MTD,
+ (TSTR("packed tags obj %d chunk %d byte %d seq %d" TENDSTR),
+- ptt->objectId, ptt->chunkId, ptt->byteCount,
+- ptt->sequenceNumber));
++ ptt->obj_id, ptt->chunk_id, ptt->n_bytes,
++ ptt->seq_number));
+ }
+ static void yaffs_DumpPackedTags2(const yaffs_PackedTags2 *pt)
+ {
+ yaffs_DumpPackedTags2TagsPart(&pt->t);
+ }
+
+-static void yaffs_DumpTags2(const yaffs_ExtendedTags *t)
++static void yaffs_DumpTags2(const yaffs_ext_tags *t)
+ {
+ T(YAFFS_TRACE_MTD,
+ (TSTR
+ ("ext.tags eccres %d blkbad %d chused %d obj %d chunk%d byte %d del %d ser %d seq %d"
+- TENDSTR), t->eccResult, t->blockBad, t->chunkUsed, t->objectId,
+- t->chunkId, t->byteCount, t->chunkDeleted, t->serialNumber,
+- t->sequenceNumber));
++ TENDSTR), t->ecc_result, t->block_bad, t->chunk_used, t->obj_id,
++ t->chunk_id, t->n_bytes, t->is_deleted, t->serial_number,
++ t->seq_number));
+
+ }
+
+ void yaffs_PackTags2TagsPart(yaffs_PackedTags2TagsPart *ptt,
+- const yaffs_ExtendedTags *t)
++ const yaffs_ext_tags *t)
+ {
+- ptt->chunkId = t->chunkId;
+- ptt->sequenceNumber = t->sequenceNumber;
+- ptt->byteCount = t->byteCount;
+- ptt->objectId = t->objectId;
++ ptt->chunk_id = t->chunk_id;
++ ptt->seq_number = t->seq_number;
++ ptt->n_bytes = t->n_bytes;
++ ptt->obj_id = t->obj_id;
+
+- if (t->chunkId == 0 && t->extraHeaderInfoAvailable) {
++ if (t->chunk_id == 0 && t->extra_available) {
+ /* Store the extra header info instead */
+- /* We save the parent object in the chunkId */
+- ptt->chunkId = EXTRA_HEADER_INFO_FLAG
+- | t->extraParentObjectId;
+- if (t->extraIsShrinkHeader)
+- ptt->chunkId |= EXTRA_SHRINK_FLAG;
+- if (t->extraShadows)
+- ptt->chunkId |= EXTRA_SHADOWS_FLAG;
+-
+- ptt->objectId &= ~EXTRA_OBJECT_TYPE_MASK;
+- ptt->objectId |=
+- (t->extraObjectType << EXTRA_OBJECT_TYPE_SHIFT);
+-
+- if (t->extraObjectType == YAFFS_OBJECT_TYPE_HARDLINK)
+- ptt->byteCount = t->extraEquivalentObjectId;
+- else if (t->extraObjectType == YAFFS_OBJECT_TYPE_FILE)
+- ptt->byteCount = t->extraFileLength;
++ /* We save the parent object in the chunk_id */
++ ptt->chunk_id = EXTRA_HEADER_INFO_FLAG
++ | t->extra_parent_id;
++ if (t->extra_is_shrink)
++ ptt->chunk_id |= EXTRA_SHRINK_FLAG;
++ if (t->extra_shadows)
++ ptt->chunk_id |= EXTRA_SHADOWS_FLAG;
++
++ ptt->obj_id &= ~EXTRA_OBJECT_TYPE_MASK;
++ ptt->obj_id |=
++ (t->extra_obj_type << EXTRA_OBJECT_TYPE_SHIFT);
++
++ if (t->extra_obj_type == YAFFS_OBJECT_TYPE_HARDLINK)
++ ptt->n_bytes = t->extra_equiv_id;
++ else if (t->extra_obj_type == YAFFS_OBJECT_TYPE_FILE)
++ ptt->n_bytes = t->extra_length;
+ else
+- ptt->byteCount = 0;
++ ptt->n_bytes = 0;
+ }
+
+ yaffs_DumpPackedTags2TagsPart(ptt);
+@@ -96,59 +97,56 @@ void yaffs_PackTags2TagsPart(yaffs_Packe
}
-void yaffs_PackTags2(yaffs_PackedTags2 *pt, const yaffs_ExtendedTags *t)
-+void yaffs_PackTags2(yaffs_PackedTags2 *pt, const yaffs_ExtendedTags *t, int tagsECC)
++void yaffs_PackTags2(yaffs_PackedTags2 *pt, const yaffs_ext_tags *t, int tagsECC)
{
yaffs_PackTags2TagsPart(&pt->t, t);
-#ifndef YAFFS_IGNORE_TAGS_ECC
- {
+- yaffs_ECCCalculateOther((unsigned char *)&pt->t,
+ if(tagsECC)
- yaffs_ECCCalculateOther((unsigned char *)&pt->t,
++ yaffs_ecc_calc_other((unsigned char *)&pt->t,
sizeof(yaffs_PackedTags2TagsPart),
&pt->ecc);
- }
@@ -16893,15 +19404,87 @@
}
-@@ -158,27 +156,24 @@ void yaffs_UnpackTags2TagsPart(yaffs_Ext
+-void yaffs_UnpackTags2TagsPart(yaffs_ExtendedTags *t,
++void yaffs_unpack_tags2tags_part(yaffs_ext_tags *t,
+ yaffs_PackedTags2TagsPart *ptt)
+ {
+
+- memset(t, 0, sizeof(yaffs_ExtendedTags));
++ memset(t, 0, sizeof(yaffs_ext_tags));
+
+- yaffs_InitialiseTags(t);
++ yaffs_init_tags(t);
+
+- if (ptt->sequenceNumber != 0xFFFFFFFF) {
+- t->blockBad = 0;
+- t->chunkUsed = 1;
+- t->objectId = ptt->objectId;
+- t->chunkId = ptt->chunkId;
+- t->byteCount = ptt->byteCount;
+- t->chunkDeleted = 0;
+- t->serialNumber = 0;
+- t->sequenceNumber = ptt->sequenceNumber;
++ if (ptt->seq_number != 0xFFFFFFFF) {
++ t->block_bad = 0;
++ t->chunk_used = 1;
++ t->obj_id = ptt->obj_id;
++ t->chunk_id = ptt->chunk_id;
++ t->n_bytes = ptt->n_bytes;
++ t->is_deleted = 0;
++ t->serial_number = 0;
++ t->seq_number = ptt->seq_number;
+
+ /* Do extra header info stuff */
+
+- if (ptt->chunkId & EXTRA_HEADER_INFO_FLAG) {
+- t->chunkId = 0;
+- t->byteCount = 0;
+-
+- t->extraHeaderInfoAvailable = 1;
+- t->extraParentObjectId =
+- ptt->chunkId & (~(ALL_EXTRA_FLAGS));
+- t->extraIsShrinkHeader =
+- (ptt->chunkId & EXTRA_SHRINK_FLAG) ? 1 : 0;
+- t->extraShadows =
+- (ptt->chunkId & EXTRA_SHADOWS_FLAG) ? 1 : 0;
+- t->extraObjectType =
+- ptt->objectId >> EXTRA_OBJECT_TYPE_SHIFT;
+- t->objectId &= ~EXTRA_OBJECT_TYPE_MASK;
++ if (ptt->chunk_id & EXTRA_HEADER_INFO_FLAG) {
++ t->chunk_id = 0;
++ t->n_bytes = 0;
++
++ t->extra_available = 1;
++ t->extra_parent_id =
++ ptt->chunk_id & (~(ALL_EXTRA_FLAGS));
++ t->extra_is_shrink =
++ (ptt->chunk_id & EXTRA_SHRINK_FLAG) ? 1 : 0;
++ t->extra_shadows =
++ (ptt->chunk_id & EXTRA_SHADOWS_FLAG) ? 1 : 0;
++ t->extra_obj_type =
++ ptt->obj_id >> EXTRA_OBJECT_TYPE_SHIFT;
++ t->obj_id &= ~EXTRA_OBJECT_TYPE_MASK;
+
+- if (t->extraObjectType == YAFFS_OBJECT_TYPE_HARDLINK)
+- t->extraEquivalentObjectId = ptt->byteCount;
++ if (t->extra_obj_type == YAFFS_OBJECT_TYPE_HARDLINK)
++ t->extra_equiv_id = ptt->n_bytes;
+ else
+- t->extraFileLength = ptt->byteCount;
++ t->extra_length = ptt->n_bytes;
+ }
+ }
+
+@@ -158,49 +156,43 @@ void yaffs_UnpackTags2TagsPart(yaffs_Ext
}
-void yaffs_UnpackTags2(yaffs_ExtendedTags *t, yaffs_PackedTags2 *pt)
-+void yaffs_UnpackTags2(yaffs_ExtendedTags *t, yaffs_PackedTags2 *pt, int tagsECC)
++void yaffs_unpack_tags2(yaffs_ext_tags *t, yaffs_PackedTags2 *pt, int tagsECC)
{
- yaffs_ECCResult eccResult = YAFFS_ECC_RESULT_NO_ERROR;
+- yaffs_ECCResult eccResult = YAFFS_ECC_RESULT_NO_ERROR;
++ yaffs_ecc_result ecc_result = YAFFS_ECC_RESULT_NO_ERROR;
- if (pt->t.sequenceNumber != 0xFFFFFFFF) {
- /* Page is in use */
@@ -16919,41 +19502,53 @@
- (yaffs_PackedTags2TagsPart),
- &pt->ecc, &ecc);
- switch (result) {
-+ if (pt->t.sequenceNumber != 0xFFFFFFFF &&
++ if (pt->t.seq_number != 0xFFFFFFFF &&
+ tagsECC){
+ /* Chunk is in use and we need to do ECC */
+
+ yaffs_ECCOther ecc;
+ int result;
-+ yaffs_ECCCalculateOther((unsigned char *)&pt->t,
++ yaffs_ecc_calc_other((unsigned char *)&pt->t,
+ sizeof(yaffs_PackedTags2TagsPart),
+ &ecc);
-+ result = yaffs_ECCCorrectOther((unsigned char *)&pt->t,
++ result = yaffs_ecc_correct_other((unsigned char *)&pt->t,
+ sizeof(yaffs_PackedTags2TagsPart),
+ &pt->ecc, &ecc);
+ switch (result) {
case 0:
- eccResult = YAFFS_ECC_RESULT_NO_ERROR;
+- eccResult = YAFFS_ECC_RESULT_NO_ERROR;
++ ecc_result = YAFFS_ECC_RESULT_NO_ERROR;
break;
-@@ -190,9 +185,7 @@ void yaffs_UnpackTags2(yaffs_ExtendedTag
+ case 1:
+- eccResult = YAFFS_ECC_RESULT_FIXED;
++ ecc_result = YAFFS_ECC_RESULT_FIXED;
+ break;
+ case -1:
+- eccResult = YAFFS_ECC_RESULT_UNFIXED;
++ ecc_result = YAFFS_ECC_RESULT_UNFIXED;
break;
default:
- eccResult = YAFFS_ECC_RESULT_UNKNOWN;
+- eccResult = YAFFS_ECC_RESULT_UNKNOWN;
- }
++ ecc_result = YAFFS_ECC_RESULT_UNKNOWN;
}
-#endif
}
- yaffs_UnpackTags2TagsPart(t, &pt->t);
-@@ -201,6 +194,5 @@ void yaffs_UnpackTags2(yaffs_ExtendedTag
+- yaffs_UnpackTags2TagsPart(t, &pt->t);
++ yaffs_unpack_tags2tags_part(t, &pt->t);
+
+- t->eccResult = eccResult;
++ t->ecc_result = ecc_result;
yaffs_DumpPackedTags2(pt);
yaffs_DumpTags2(t);
-
}
---- a/fs/yaffs2/yaffs_packedtags2.h
-+++ b/fs/yaffs2/yaffs_packedtags2.h
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/yaffs_packedtags2.h linux-2.6.36-rc8.new/fs/yaffs2/yaffs_packedtags2.h
+--- linux-2.6.36-rc8/fs/yaffs2/yaffs_packedtags2.h 2010-10-20 13:17:58.960000294 +0300
++++ linux-2.6.36-rc8.new/fs/yaffs2/yaffs_packedtags2.h 2010-10-20 13:28:16.063000294 +0300
@@ -1,7 +1,7 @@
/*
* YAFFS: Yet another Flash File System . A NAND-flash specific file system.
@@ -16963,19 +19558,39 @@
* for Toby Churchill Ltd and Brightstar Engineering
*
* Created by Charles Manning <charles@aleph1.co.uk>
-@@ -34,8 +34,8 @@ typedef struct {
+@@ -22,10 +22,10 @@
+ #include "yaffs_ecc.h"
+
+ typedef struct {
+- unsigned sequenceNumber;
+- unsigned objectId;
+- unsigned chunkId;
+- unsigned byteCount;
++ unsigned seq_number;
++ unsigned obj_id;
++ unsigned chunk_id;
++ unsigned n_bytes;
+ } yaffs_PackedTags2TagsPart;
+
+ typedef struct {
+@@ -34,10 +34,10 @@ typedef struct {
} yaffs_PackedTags2;
/* Full packed tags with ECC, used for oob tags */
-void yaffs_PackTags2(yaffs_PackedTags2 *pt, const yaffs_ExtendedTags *t);
-void yaffs_UnpackTags2(yaffs_ExtendedTags *t, yaffs_PackedTags2 *pt);
-+void yaffs_PackTags2(yaffs_PackedTags2 *pt, const yaffs_ExtendedTags *t, int tagsECC);
-+void yaffs_UnpackTags2(yaffs_ExtendedTags *t, yaffs_PackedTags2 *pt, int tagsECC);
++void yaffs_PackTags2(yaffs_PackedTags2 *pt, const yaffs_ext_tags *t, int tagsECC);
++void yaffs_unpack_tags2(yaffs_ext_tags *t, yaffs_PackedTags2 *pt, int tagsECC);
/* Only the tags part (no ECC for use with inband tags */
- void yaffs_PackTags2TagsPart(yaffs_PackedTags2TagsPart *pt, const yaffs_ExtendedTags *t);
---- a/fs/yaffs2/yaffs_qsort.h
-+++ b/fs/yaffs2/yaffs_qsort.h
+-void yaffs_PackTags2TagsPart(yaffs_PackedTags2TagsPart *pt, const yaffs_ExtendedTags *t);
+-void yaffs_UnpackTags2TagsPart(yaffs_ExtendedTags *t, yaffs_PackedTags2TagsPart *pt);
++void yaffs_PackTags2TagsPart(yaffs_PackedTags2TagsPart *pt, const yaffs_ext_tags *t);
++void yaffs_unpack_tags2tags_part(yaffs_ext_tags *t, yaffs_PackedTags2TagsPart *pt);
+ #endif
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/yaffs_qsort.h linux-2.6.36-rc8.new/fs/yaffs2/yaffs_qsort.h
+--- linux-2.6.36-rc8/fs/yaffs2/yaffs_qsort.h 2010-10-20 13:17:58.961000294 +0300
++++ linux-2.6.36-rc8.new/fs/yaffs2/yaffs_qsort.h 2010-10-20 13:28:16.063000294 +0300
@@ -1,7 +1,7 @@
/*
* YAFFS: Yet another Flash File System . A NAND-flash specific file system.
@@ -17004,8 +19619,9 @@
#endif
+#endif
---- a/fs/yaffs2/yaffs_tagscompat.c
-+++ b/fs/yaffs2/yaffs_tagscompat.c
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/yaffs_tagscompat.c linux-2.6.36-rc8.new/fs/yaffs2/yaffs_tagscompat.c
+--- linux-2.6.36-rc8/fs/yaffs2/yaffs_tagscompat.c 2010-10-20 13:17:58.961000294 +0300
++++ linux-2.6.36-rc8.new/fs/yaffs2/yaffs_tagscompat.c 2010-10-20 13:28:16.030000294 +0300
@@ -1,7 +1,7 @@
/*
* YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
@@ -17015,126 +19631,668 @@
* for Toby Churchill Ltd and Brightstar Engineering
*
* Created by Charles Manning <charles@aleph1.co.uk>
-@@ -15,6 +15,7 @@
+@@ -15,19 +15,20 @@
#include "yaffs_tagscompat.h"
#include "yaffs_ecc.h"
#include "yaffs_getblockinfo.h"
+#include "yaffs_trace.h"
- static void yaffs_HandleReadDataError(yaffs_Device *dev, int chunkInNAND);
+-static void yaffs_HandleReadDataError(yaffs_Device *dev, int chunkInNAND);
++static void yaffs_handle_rd_data_error(yaffs_dev_t *dev, int nand_chunk);
#ifdef NOTYET
-@@ -163,15 +164,14 @@ static int yaffs_WriteChunkToNAND(struct
- int chunkInNAND, const __u8 *data,
- yaffs_Spare *spare)
+-static void yaffs_CheckWrittenBlock(yaffs_Device *dev, int chunkInNAND);
+-static void yaffs_HandleWriteChunkOk(yaffs_Device *dev, int chunkInNAND,
++static void yaffs_check_written_block(yaffs_dev_t *dev, int nand_chunk);
++static void yaffs_handle_chunk_wr_ok(yaffs_dev_t *dev, int nand_chunk,
+ const __u8 *data,
+- const yaffs_Spare *spare);
+-static void yaffs_HandleUpdateChunk(yaffs_Device *dev, int chunkInNAND,
+- const yaffs_Spare *spare);
+-static void yaffs_HandleWriteChunkError(yaffs_Device *dev, int chunkInNAND);
++ const yaffs_spare *spare);
++static void yaffs_handle_chunk_update(yaffs_dev_t *dev, int nand_chunk,
++ const yaffs_spare *spare);
++static void yaffs_handle_chunk_wr_error(yaffs_dev_t *dev, int nand_chunk);
+ #endif
+
+-static const char yaffs_countBitsTable[256] = {
++static const char yaffs_count_bits_table[256] = {
+ 0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4,
+ 1, 2, 2, 3, 2, 3, 3, 4, 2, 3, 3, 4, 3, 4, 4, 5,
+ 1, 2, 2, 3, 2, 3, 3, 4, 2, 3, 3, 4, 3, 4, 4, 5,
+@@ -46,26 +47,26 @@ static const char yaffs_countBitsTable[2
+ 4, 5, 5, 6, 5, 6, 6, 7, 5, 6, 6, 7, 6, 7, 7, 8
+ };
+
+-int yaffs_CountBits(__u8 x)
++int yaffs_count_bits(__u8 x)
+ {
+ int retVal;
+- retVal = yaffs_countBitsTable[x];
++ retVal = yaffs_count_bits_table[x];
+ return retVal;
+ }
+
+ /********** Tags ECC calculations *********/
+
+-void yaffs_CalcECC(const __u8 *data, yaffs_Spare *spare)
++void yaffs_calc_ecc(const __u8 *data, yaffs_spare *spare)
+ {
+- yaffs_ECCCalculate(data, spare->ecc1);
+- yaffs_ECCCalculate(&data[256], spare->ecc2);
++ yaffs_ecc_cacl(data, spare->ecc1);
++ yaffs_ecc_cacl(&data[256], spare->ecc2);
+ }
+
+-void yaffs_CalcTagsECC(yaffs_Tags *tags)
++void yaffs_calc_tags_ecc(yaffs_tags_t *tags)
+ {
+ /* Calculate an ecc */
+
+- unsigned char *b = ((yaffs_TagsUnion *) tags)->asBytes;
++ unsigned char *b = ((yaffs_tags_union_t *) tags)->as_bytes;
+ unsigned i, j;
+ unsigned ecc = 0;
+ unsigned bit = 0;
+@@ -84,24 +85,24 @@ void yaffs_CalcTagsECC(yaffs_Tags *tags)
+
+ }
+
+-int yaffs_CheckECCOnTags(yaffs_Tags *tags)
++int yaffs_check_tags_ecc(yaffs_tags_t *tags)
+ {
+ unsigned ecc = tags->ecc;
+
+- yaffs_CalcTagsECC(tags);
++ yaffs_calc_tags_ecc(tags);
+
+ ecc ^= tags->ecc;
+
+ if (ecc && ecc <= 64) {
+ /* TODO: Handle the failure better. Retire? */
+- unsigned char *b = ((yaffs_TagsUnion *) tags)->asBytes;
++ unsigned char *b = ((yaffs_tags_union_t *) tags)->as_bytes;
+
+ ecc--;
+
+ b[ecc / 8] ^= (1 << (ecc & 7));
+
+ /* Now recvalc the ecc */
+- yaffs_CalcTagsECC(tags);
++ yaffs_calc_tags_ecc(tags);
+
+ return 1; /* recovered error */
+ } else if (ecc) {
+@@ -115,76 +116,73 @@ int yaffs_CheckECCOnTags(yaffs_Tags *tag
+
+ /********** Tags **********/
+
+-static void yaffs_LoadTagsIntoSpare(yaffs_Spare *sparePtr,
+- yaffs_Tags *tagsPtr)
++static void yaffs_load_tags_to_spare(yaffs_spare *sparePtr,
++ yaffs_tags_t *tagsPtr)
+ {
+- yaffs_TagsUnion *tu = (yaffs_TagsUnion *) tagsPtr;
++ yaffs_tags_union_t *tu = (yaffs_tags_union_t *) tagsPtr;
+
+- yaffs_CalcTagsECC(tagsPtr);
++ yaffs_calc_tags_ecc(tagsPtr);
+
+- sparePtr->tagByte0 = tu->asBytes[0];
+- sparePtr->tagByte1 = tu->asBytes[1];
+- sparePtr->tagByte2 = tu->asBytes[2];
+- sparePtr->tagByte3 = tu->asBytes[3];
+- sparePtr->tagByte4 = tu->asBytes[4];
+- sparePtr->tagByte5 = tu->asBytes[5];
+- sparePtr->tagByte6 = tu->asBytes[6];
+- sparePtr->tagByte7 = tu->asBytes[7];
++ sparePtr->tb0 = tu->as_bytes[0];
++ sparePtr->tb1 = tu->as_bytes[1];
++ sparePtr->tb2 = tu->as_bytes[2];
++ sparePtr->tb3 = tu->as_bytes[3];
++ sparePtr->tb4 = tu->as_bytes[4];
++ sparePtr->tb5 = tu->as_bytes[5];
++ sparePtr->tb6 = tu->as_bytes[6];
++ sparePtr->tb7 = tu->as_bytes[7];
+ }
+
+-static void yaffs_GetTagsFromSpare(yaffs_Device *dev, yaffs_Spare *sparePtr,
+- yaffs_Tags *tagsPtr)
++static void yaffs_get_tags_from_spare(yaffs_dev_t *dev, yaffs_spare *sparePtr,
++ yaffs_tags_t *tagsPtr)
+ {
+- yaffs_TagsUnion *tu = (yaffs_TagsUnion *) tagsPtr;
++ yaffs_tags_union_t *tu = (yaffs_tags_union_t *) tagsPtr;
+ int result;
+
+- tu->asBytes[0] = sparePtr->tagByte0;
+- tu->asBytes[1] = sparePtr->tagByte1;
+- tu->asBytes[2] = sparePtr->tagByte2;
+- tu->asBytes[3] = sparePtr->tagByte3;
+- tu->asBytes[4] = sparePtr->tagByte4;
+- tu->asBytes[5] = sparePtr->tagByte5;
+- tu->asBytes[6] = sparePtr->tagByte6;
+- tu->asBytes[7] = sparePtr->tagByte7;
++ tu->as_bytes[0] = sparePtr->tb0;
++ tu->as_bytes[1] = sparePtr->tb1;
++ tu->as_bytes[2] = sparePtr->tb2;
++ tu->as_bytes[3] = sparePtr->tb3;
++ tu->as_bytes[4] = sparePtr->tb4;
++ tu->as_bytes[5] = sparePtr->tb5;
++ tu->as_bytes[6] = sparePtr->tb6;
++ tu->as_bytes[7] = sparePtr->tb7;
+
+- result = yaffs_CheckECCOnTags(tagsPtr);
++ result = yaffs_check_tags_ecc(tagsPtr);
+ if (result > 0)
+- dev->tagsEccFixed++;
++ dev->n_tags_ecc_fixed++;
+ else if (result < 0)
+- dev->tagsEccUnfixed++;
++ dev->n_tags_ecc_unfixed++;
+ }
+
+-static void yaffs_SpareInitialise(yaffs_Spare *spare)
++static void yaffs_spare_init(yaffs_spare *spare)
+ {
+- memset(spare, 0xFF, sizeof(yaffs_Spare));
++ memset(spare, 0xFF, sizeof(yaffs_spare));
+ }
+
+-static int yaffs_WriteChunkToNAND(struct yaffs_DeviceStruct *dev,
+- int chunkInNAND, const __u8 *data,
+- yaffs_Spare *spare)
++static int yaffs_wr_nand(struct yaffs_dev_s *dev,
++ int nand_chunk, const __u8 *data,
++ yaffs_spare *spare)
{
- if (chunkInNAND < dev->startBlock * dev->nChunksPerBlock) {
-+ if (chunkInNAND < dev->param.startBlock * dev->param.nChunksPerBlock) {
++ if (nand_chunk < dev->param.start_block * dev->param.chunks_per_block) {
T(YAFFS_TRACE_ERROR,
(TSTR("**>> yaffs chunk %d is not valid" TENDSTR),
- chunkInNAND));
+- chunkInNAND));
++ nand_chunk));
return YAFFS_FAIL;
}
- dev->nPageWrites++;
- return dev->writeChunkToNAND(dev, chunkInNAND, data, spare);
-+ return dev->param.writeChunkToNAND(dev, chunkInNAND, data, spare);
++ return dev->param.write_chunk_fn(dev, nand_chunk, data, spare);
}
- static int yaffs_ReadChunkFromNAND(struct yaffs_DeviceStruct *dev,
-@@ -184,16 +184,14 @@ static int yaffs_ReadChunkFromNAND(struc
+-static int yaffs_ReadChunkFromNAND(struct yaffs_DeviceStruct *dev,
+- int chunkInNAND,
++static int yaffs_rd_chunk_nand(struct yaffs_dev_s *dev,
++ int nand_chunk,
+ __u8 *data,
+- yaffs_Spare *spare,
+- yaffs_ECCResult *eccResult,
++ yaffs_spare *spare,
++ yaffs_ecc_result *ecc_result,
+ int doErrorCorrection)
+ {
int retVal;
- yaffs_Spare localSpare;
-
-- dev->nPageReads++;
+- yaffs_Spare localSpare;
-
+- dev->nPageReads++;
++ yaffs_spare localSpare;
+
if (!spare && data) {
/* If we don't have a real spare, then we use a local one. */
- /* Need this for the calculation of the ecc */
+@@ -192,107 +190,107 @@ static int yaffs_ReadChunkFromNAND(struc
spare = &localSpare;
}
- if (!dev->useNANDECC) {
- retVal = dev->readChunkFromNAND(dev, chunkInNAND, data, spare);
-+ if (!dev->param.useNANDECC) {
-+ retVal = dev->param.readChunkFromNAND(dev, chunkInNAND, data, spare);
++ if (!dev->param.use_nand_ecc) {
++ retVal = dev->param.read_chunk_fn(dev, nand_chunk, data, spare);
if (data && doErrorCorrection) {
/* Do ECC correction */
/* Todo handle any errors */
-@@ -254,7 +252,7 @@ static int yaffs_ReadChunkFromNAND(struc
+- int eccResult1, eccResult2;
++ int ecc_result1, ecc_result2;
+ __u8 calcEcc[3];
+
+- yaffs_ECCCalculate(data, calcEcc);
+- eccResult1 =
+- yaffs_ECCCorrect(data, spare->ecc1, calcEcc);
+- yaffs_ECCCalculate(&data[256], calcEcc);
+- eccResult2 =
+- yaffs_ECCCorrect(&data[256], spare->ecc2, calcEcc);
++ yaffs_ecc_cacl(data, calcEcc);
++ ecc_result1 =
++ yaffs_ecc_correct(data, spare->ecc1, calcEcc);
++ yaffs_ecc_cacl(&data[256], calcEcc);
++ ecc_result2 =
++ yaffs_ecc_correct(&data[256], spare->ecc2, calcEcc);
+
+- if (eccResult1 > 0) {
++ if (ecc_result1 > 0) {
+ T(YAFFS_TRACE_ERROR,
+ (TSTR
+ ("**>>yaffs ecc error fix performed on chunk %d:0"
+- TENDSTR), chunkInNAND));
+- dev->eccFixed++;
+- } else if (eccResult1 < 0) {
++ TENDSTR), nand_chunk));
++ dev->n_ecc_fixed++;
++ } else if (ecc_result1 < 0) {
+ T(YAFFS_TRACE_ERROR,
+ (TSTR
+ ("**>>yaffs ecc error unfixed on chunk %d:0"
+- TENDSTR), chunkInNAND));
+- dev->eccUnfixed++;
++ TENDSTR), nand_chunk));
++ dev->n_ecc_unfixed++;
+ }
+
+- if (eccResult2 > 0) {
++ if (ecc_result2 > 0) {
+ T(YAFFS_TRACE_ERROR,
+ (TSTR
+ ("**>>yaffs ecc error fix performed on chunk %d:1"
+- TENDSTR), chunkInNAND));
+- dev->eccFixed++;
+- } else if (eccResult2 < 0) {
++ TENDSTR), nand_chunk));
++ dev->n_ecc_fixed++;
++ } else if (ecc_result2 < 0) {
+ T(YAFFS_TRACE_ERROR,
+ (TSTR
+ ("**>>yaffs ecc error unfixed on chunk %d:1"
+- TENDSTR), chunkInNAND));
+- dev->eccUnfixed++;
++ TENDSTR), nand_chunk));
++ dev->n_ecc_unfixed++;
+ }
+
+- if (eccResult1 || eccResult2) {
++ if (ecc_result1 || ecc_result2) {
+ /* We had a data problem on this page */
+- yaffs_HandleReadDataError(dev, chunkInNAND);
++ yaffs_handle_rd_data_error(dev, nand_chunk);
+ }
+
+- if (eccResult1 < 0 || eccResult2 < 0)
+- *eccResult = YAFFS_ECC_RESULT_UNFIXED;
+- else if (eccResult1 > 0 || eccResult2 > 0)
+- *eccResult = YAFFS_ECC_RESULT_FIXED;
++ if (ecc_result1 < 0 || ecc_result2 < 0)
++ *ecc_result = YAFFS_ECC_RESULT_UNFIXED;
++ else if (ecc_result1 > 0 || ecc_result2 > 0)
++ *ecc_result = YAFFS_ECC_RESULT_FIXED;
+ else
+- *eccResult = YAFFS_ECC_RESULT_NO_ERROR;
++ *ecc_result = YAFFS_ECC_RESULT_NO_ERROR;
+ }
+ } else {
+ /* Must allocate enough memory for spare+2*sizeof(int) */
+ /* for ecc results from device. */
+- struct yaffs_NANDSpare nspare;
++ struct yaffs_nand_spare nspare;
memset(&nspare, 0, sizeof(nspare));
- retVal = dev->readChunkFromNAND(dev, chunkInNAND, data,
-+ retVal = dev->param.readChunkFromNAND(dev, chunkInNAND, data,
- (yaffs_Spare *) &nspare);
- memcpy(spare, &nspare, sizeof(yaffs_Spare));
+- (yaffs_Spare *) &nspare);
+- memcpy(spare, &nspare, sizeof(yaffs_Spare));
++ retVal = dev->param.read_chunk_fn(dev, nand_chunk, data,
++ (yaffs_spare *) &nspare);
++ memcpy(spare, &nspare, sizeof(yaffs_spare));
if (data && doErrorCorrection) {
-@@ -307,10 +305,10 @@ static int yaffs_CheckChunkErased(struct
+ if (nspare.eccres1 > 0) {
+ T(YAFFS_TRACE_ERROR,
+ (TSTR
+ ("**>>mtd ecc error fix performed on chunk %d:0"
+- TENDSTR), chunkInNAND));
++ TENDSTR), nand_chunk));
+ } else if (nspare.eccres1 < 0) {
+ T(YAFFS_TRACE_ERROR,
+ (TSTR
+ ("**>>mtd ecc error unfixed on chunk %d:0"
+- TENDSTR), chunkInNAND));
++ TENDSTR), nand_chunk));
+ }
+
+ if (nspare.eccres2 > 0) {
+ T(YAFFS_TRACE_ERROR,
+ (TSTR
+ ("**>>mtd ecc error fix performed on chunk %d:1"
+- TENDSTR), chunkInNAND));
++ TENDSTR), nand_chunk));
+ } else if (nspare.eccres2 < 0) {
+ T(YAFFS_TRACE_ERROR,
+ (TSTR
+ ("**>>mtd ecc error unfixed on chunk %d:1"
+- TENDSTR), chunkInNAND));
++ TENDSTR), nand_chunk));
+ }
+
+ if (nspare.eccres1 || nspare.eccres2) {
+ /* We had a data problem on this page */
+- yaffs_HandleReadDataError(dev, chunkInNAND);
++ yaffs_handle_rd_data_error(dev, nand_chunk);
+ }
+
+ if (nspare.eccres1 < 0 || nspare.eccres2 < 0)
+- *eccResult = YAFFS_ECC_RESULT_UNFIXED;
++ *ecc_result = YAFFS_ECC_RESULT_UNFIXED;
+ else if (nspare.eccres1 > 0 || nspare.eccres2 > 0)
+- *eccResult = YAFFS_ECC_RESULT_FIXED;
++ *ecc_result = YAFFS_ECC_RESULT_FIXED;
+ else
+- *eccResult = YAFFS_ECC_RESULT_NO_ERROR;
++ *ecc_result = YAFFS_ECC_RESULT_NO_ERROR;
+
+ }
+ }
+@@ -300,17 +298,17 @@ static int yaffs_ReadChunkFromNAND(struc
+ }
+
+ #ifdef NOTYET
+-static int yaffs_CheckChunkErased(struct yaffs_DeviceStruct *dev,
+- int chunkInNAND)
++static int yaffs_check_chunk_erased(struct yaffs_dev_s *dev,
++ int nand_chunk)
+ {
+ static int init;
static __u8 cmpbuf[YAFFS_BYTES_PER_CHUNK];
static __u8 data[YAFFS_BYTES_PER_CHUNK];
/* Might as well always allocate the larger size for */
- /* dev->useNANDECC == true; */
-+ /* dev->param.useNANDECC == true; */
- static __u8 spare[sizeof(struct yaffs_NANDSpare)];
+- static __u8 spare[sizeof(struct yaffs_NANDSpare)];
++ /* dev->param.use_nand_ecc == true; */
++ static __u8 spare[sizeof(struct yaffs_nand_spare)];
- dev->readChunkFromNAND(dev, chunkInNAND, data, (yaffs_Spare *) spare);
-+ dev->param.readChunkFromNAND(dev, chunkInNAND, data, (yaffs_Spare *) spare);
++ dev->param.read_chunk_fn(dev, nand_chunk, data, (yaffs_spare *) spare);
if (!init) {
memset(cmpbuf, 0xff, YAFFS_BYTES_PER_CHUNK);
-@@ -333,7 +331,7 @@ static int yaffs_CheckChunkErased(struct
+@@ -331,14 +329,14 @@ static int yaffs_CheckChunkErased(struct
+ * Functions for robustisizing
+ */
- static void yaffs_HandleReadDataError(yaffs_Device *dev, int chunkInNAND)
+-static void yaffs_HandleReadDataError(yaffs_Device *dev, int chunkInNAND)
++static void yaffs_handle_rd_data_error(yaffs_dev_t *dev, int nand_chunk)
{
- int blockInNAND = chunkInNAND / dev->nChunksPerBlock;
-+ int blockInNAND = chunkInNAND / dev->param.nChunksPerBlock;
++ int flash_block = nand_chunk / dev->param.chunks_per_block;
/* Mark the block for retirement */
- yaffs_GetBlockInfo(dev, blockInNAND + dev->blockOffset)->needsRetiring = 1;
-@@ -365,7 +363,7 @@ static void yaffs_HandleUpdateChunk(yaff
+- yaffs_GetBlockInfo(dev, blockInNAND + dev->blockOffset)->needsRetiring = 1;
++ yaffs_get_block_info(dev, flash_block + dev->block_offset)->needs_retiring = 1;
+ T(YAFFS_TRACE_ERROR | YAFFS_TRACE_BAD_BLOCKS,
+- (TSTR("**>>Block %d marked for retirement" TENDSTR), blockInNAND));
++ (TSTR("**>>Block %d marked for retirement" TENDSTR), flash_block));
- static void yaffs_HandleWriteChunkError(yaffs_Device *dev, int chunkInNAND)
+ /* TODO:
+ * Just do a garbage collection on the affected block
+@@ -348,44 +346,44 @@ static void yaffs_HandleReadDataError(ya
+ }
+
+ #ifdef NOTYET
+-static void yaffs_CheckWrittenBlock(yaffs_Device *dev, int chunkInNAND)
++static void yaffs_check_written_block(yaffs_dev_t *dev, int nand_chunk)
+ {
+ }
+
+-static void yaffs_HandleWriteChunkOk(yaffs_Device *dev, int chunkInNAND,
++static void yaffs_handle_chunk_wr_ok(yaffs_dev_t *dev, int nand_chunk,
+ const __u8 *data,
+- const yaffs_Spare *spare)
++ const yaffs_spare *spare)
+ {
+ }
+
+-static void yaffs_HandleUpdateChunk(yaffs_Device *dev, int chunkInNAND,
+- const yaffs_Spare *spare)
++static void yaffs_handle_chunk_update(yaffs_dev_t *dev, int nand_chunk,
++ const yaffs_spare *spare)
+ {
+ }
+
+-static void yaffs_HandleWriteChunkError(yaffs_Device *dev, int chunkInNAND)
++static void yaffs_handle_chunk_wr_error(yaffs_dev_t *dev, int nand_chunk)
{
- int blockInNAND = chunkInNAND / dev->nChunksPerBlock;
-+ int blockInNAND = chunkInNAND / dev->param.nChunksPerBlock;
++ int flash_block = nand_chunk / dev->param.chunks_per_block;
/* Mark the block for retirement */
- yaffs_GetBlockInfo(dev, blockInNAND)->needsRetiring = 1;
-@@ -424,7 +422,7 @@ int yaffs_TagsCompatabilityWriteChunkWit
+- yaffs_GetBlockInfo(dev, blockInNAND)->needsRetiring = 1;
++ yaffs_get_block_info(dev, flash_block)->needs_retiring = 1;
+ /* Delete the chunk */
+- yaffs_DeleteChunk(dev, chunkInNAND, 1, __LINE__);
++ yaffs_chunk_del(dev, nand_chunk, 1, __LINE__);
+ }
- tags.serialNumber = eTags->serialNumber;
+-static int yaffs_VerifyCompare(const __u8 *d0, const __u8 *d1,
+- const yaffs_Spare *s0, const yaffs_Spare *s1)
++static int yaffs_verify_cmp(const __u8 *d0, const __u8 *d1,
++ const yaffs_spare *s0, const yaffs_spare *s1)
+ {
+
+ if (memcmp(d0, d1, YAFFS_BYTES_PER_CHUNK) != 0 ||
+- s0->tagByte0 != s1->tagByte0 ||
+- s0->tagByte1 != s1->tagByte1 ||
+- s0->tagByte2 != s1->tagByte2 ||
+- s0->tagByte3 != s1->tagByte3 ||
+- s0->tagByte4 != s1->tagByte4 ||
+- s0->tagByte5 != s1->tagByte5 ||
+- s0->tagByte6 != s1->tagByte6 ||
+- s0->tagByte7 != s1->tagByte7 ||
++ s0->tb0 != s1->tb0 ||
++ s0->tb1 != s1->tb1 ||
++ s0->tb2 != s1->tb2 ||
++ s0->tb3 != s1->tb3 ||
++ s0->tb4 != s1->tb4 ||
++ s0->tb5 != s1->tb5 ||
++ s0->tb6 != s1->tb6 ||
++ s0->tb7 != s1->tb7 ||
+ s0->ecc1[0] != s1->ecc1[0] ||
+ s0->ecc1[1] != s1->ecc1[1] ||
+ s0->ecc1[2] != s1->ecc1[2] ||
+@@ -398,53 +396,53 @@ static int yaffs_VerifyCompare(const __u
+ }
+ #endif /* NOTYET */
+
+-int yaffs_TagsCompatabilityWriteChunkWithTagsToNAND(yaffs_Device *dev,
+- int chunkInNAND,
++int yaffs_tags_compat_wr(yaffs_dev_t *dev,
++ int nand_chunk,
+ const __u8 *data,
+- const yaffs_ExtendedTags *eTags)
++ const yaffs_ext_tags *eTags)
+ {
+- yaffs_Spare spare;
+- yaffs_Tags tags;
++ yaffs_spare spare;
++ yaffs_tags_t tags;
+
+- yaffs_SpareInitialise(&spare);
++ yaffs_spare_init(&spare);
+
+- if (eTags->chunkDeleted)
+- spare.pageStatus = 0;
++ if (eTags->is_deleted)
++ spare.page_status = 0;
+ else {
+- tags.objectId = eTags->objectId;
+- tags.chunkId = eTags->chunkId;
++ tags.obj_id = eTags->obj_id;
++ tags.chunk_id = eTags->chunk_id;
+
+- tags.byteCountLSB = eTags->byteCount & 0x3ff;
++ tags.n_bytes_lsb = eTags->n_bytes & 0x3ff;
+
+- if (dev->nDataBytesPerChunk >= 1024)
+- tags.byteCountMSB = (eTags->byteCount >> 10) & 3;
++ if (dev->data_bytes_per_chunk >= 1024)
++ tags.n_bytes_msb = (eTags->n_bytes >> 10) & 3;
+ else
+- tags.byteCountMSB = 3;
++ tags.n_bytes_msb = 3;
+
+
+- tags.serialNumber = eTags->serialNumber;
++ tags.serial_number = eTags->serial_number;
- if (!dev->useNANDECC && data)
-+ if (!dev->param.useNANDECC && data)
- yaffs_CalcECC(data, &spare);
+- yaffs_CalcECC(data, &spare);
++ if (!dev->param.use_nand_ecc && data)
++ yaffs_calc_ecc(data, &spare);
- yaffs_LoadTagsIntoSpare(&spare, &tags);
-@@ -498,9 +496,9 @@ int yaffs_TagsCompatabilityMarkNANDBlock
+- yaffs_LoadTagsIntoSpare(&spare, &tags);
++ yaffs_load_tags_to_spare(&spare, &tags);
- spare.blockStatus = 'Y';
+ }
+
+- return yaffs_WriteChunkToNAND(dev, chunkInNAND, data, &spare);
++ return yaffs_wr_nand(dev, nand_chunk, data, &spare);
+ }
+
+-int yaffs_TagsCompatabilityReadChunkWithTagsFromNAND(yaffs_Device *dev,
+- int chunkInNAND,
++int yaffs_tags_compat_rd(yaffs_dev_t *dev,
++ int nand_chunk,
+ __u8 *data,
+- yaffs_ExtendedTags *eTags)
++ yaffs_ext_tags *eTags)
+ {
+
+- yaffs_Spare spare;
+- yaffs_Tags tags;
+- yaffs_ECCResult eccResult = YAFFS_ECC_RESULT_UNKNOWN;
++ yaffs_spare spare;
++ yaffs_tags_t tags;
++ yaffs_ecc_result ecc_result = YAFFS_ECC_RESULT_UNKNOWN;
+
+- static yaffs_Spare spareFF;
++ static yaffs_spare spareFF;
+ static int init;
+
+ if (!init) {
+@@ -452,33 +450,33 @@ int yaffs_TagsCompatabilityReadChunkWith
+ init = 1;
+ }
+
+- if (yaffs_ReadChunkFromNAND
+- (dev, chunkInNAND, data, &spare, &eccResult, 1)) {
++ if (yaffs_rd_chunk_nand
++ (dev, nand_chunk, data, &spare, &ecc_result, 1)) {
+ /* eTags may be NULL */
+ if (eTags) {
+
+ int deleted =
+- (yaffs_CountBits(spare.pageStatus) < 7) ? 1 : 0;
++ (yaffs_count_bits(spare.page_status) < 7) ? 1 : 0;
+
+- eTags->chunkDeleted = deleted;
+- eTags->eccResult = eccResult;
+- eTags->blockBad = 0; /* We're reading it */
++ eTags->is_deleted = deleted;
++ eTags->ecc_result = ecc_result;
++ eTags->block_bad = 0; /* We're reading it */
+ /* therefore it is not a bad block */
+- eTags->chunkUsed =
++ eTags->chunk_used =
+ (memcmp(&spareFF, &spare, sizeof(spareFF)) !=
+ 0) ? 1 : 0;
+
+- if (eTags->chunkUsed) {
+- yaffs_GetTagsFromSpare(dev, &spare, &tags);
++ if (eTags->chunk_used) {
++ yaffs_get_tags_from_spare(dev, &spare, &tags);
+
+- eTags->objectId = tags.objectId;
+- eTags->chunkId = tags.chunkId;
+- eTags->byteCount = tags.byteCountLSB;
++ eTags->obj_id = tags.obj_id;
++ eTags->chunk_id = tags.chunk_id;
++ eTags->n_bytes = tags.n_bytes_lsb;
+
+- if (dev->nDataBytesPerChunk >= 1024)
+- eTags->byteCount |= (((unsigned) tags.byteCountMSB) << 10);
++ if (dev->data_bytes_per_chunk >= 1024)
++ eTags->n_bytes |= (((unsigned) tags.n_bytes_msb) << 10);
+
+- eTags->serialNumber = tags.serialNumber;
++ eTags->serial_number = tags.serial_number;
+ }
+ }
+
+@@ -488,49 +486,49 @@ int yaffs_TagsCompatabilityReadChunkWith
+ }
+ }
+
+-int yaffs_TagsCompatabilityMarkNANDBlockBad(struct yaffs_DeviceStruct *dev,
+- int blockInNAND)
++int yaffs_tags_compat_mark_bad(struct yaffs_dev_s *dev,
++ int flash_block)
+ {
+
+- yaffs_Spare spare;
++ yaffs_spare spare;
+
+- memset(&spare, 0xff, sizeof(yaffs_Spare));
++ memset(&spare, 0xff, sizeof(yaffs_spare));
+
+- spare.blockStatus = 'Y';
++ spare.block_status = 'Y';
- yaffs_WriteChunkToNAND(dev, blockInNAND * dev->nChunksPerBlock, NULL,
-+ yaffs_WriteChunkToNAND(dev, blockInNAND * dev->param.nChunksPerBlock, NULL,
++ yaffs_wr_nand(dev, flash_block * dev->param.chunks_per_block, NULL,
&spare);
- yaffs_WriteChunkToNAND(dev, blockInNAND * dev->nChunksPerBlock + 1,
-+ yaffs_WriteChunkToNAND(dev, blockInNAND * dev->param.nChunksPerBlock + 1,
++ yaffs_wr_nand(dev, flash_block * dev->param.chunks_per_block + 1,
NULL, &spare);
return YAFFS_OK;
-@@ -525,9 +523,9 @@ int yaffs_TagsCompatabilityQueryNANDBloc
- *sequenceNumber = 0;
+ }
+
+-int yaffs_TagsCompatabilityQueryNANDBlock(struct yaffs_DeviceStruct *dev,
+- int blockNo,
+- yaffs_BlockState *state,
+- __u32 *sequenceNumber)
++int yaffs_tags_compat_query_block(struct yaffs_dev_s *dev,
++ int block_no,
++ yaffs_block_state_t *state,
++ __u32 *seq_number)
+ {
+
+- yaffs_Spare spare0, spare1;
+- static yaffs_Spare spareFF;
++ yaffs_spare spare0, spare1;
++ static yaffs_spare spareFF;
+ static int init;
+- yaffs_ECCResult dummy;
++ yaffs_ecc_result dummy;
+
+ if (!init) {
+ memset(&spareFF, 0xFF, sizeof(spareFF));
+ init = 1;
+ }
+
+- *sequenceNumber = 0;
++ *seq_number = 0;
- yaffs_ReadChunkFromNAND(dev, blockNo * dev->nChunksPerBlock, NULL,
-+ yaffs_ReadChunkFromNAND(dev, blockNo * dev->param.nChunksPerBlock, NULL,
++ yaffs_rd_chunk_nand(dev, block_no * dev->param.chunks_per_block, NULL,
&spare0, &dummy, 1);
- yaffs_ReadChunkFromNAND(dev, blockNo * dev->nChunksPerBlock + 1, NULL,
-+ yaffs_ReadChunkFromNAND(dev, blockNo * dev->param.nChunksPerBlock + 1, NULL,
++ yaffs_rd_chunk_nand(dev, block_no * dev->param.chunks_per_block + 1, NULL,
&spare1, &dummy, 1);
- if (yaffs_CountBits(spare0.blockStatus & spare1.blockStatus) < 7)
---- a/fs/yaffs2/yaffs_tagscompat.h
-+++ b/fs/yaffs2/yaffs_tagscompat.h
+- if (yaffs_CountBits(spare0.blockStatus & spare1.blockStatus) < 7)
++ if (yaffs_count_bits(spare0.block_status & spare1.block_status) < 7)
+ *state = YAFFS_BLOCK_STATE_DEAD;
+ else if (memcmp(&spareFF, &spare0, sizeof(spareFF)) == 0)
+ *state = YAFFS_BLOCK_STATE_EMPTY;
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/yaffs_tagscompat.h linux-2.6.36-rc8.new/fs/yaffs2/yaffs_tagscompat.h
+--- linux-2.6.36-rc8/fs/yaffs2/yaffs_tagscompat.h 2010-10-20 13:17:58.961000294 +0300
++++ linux-2.6.36-rc8.new/fs/yaffs2/yaffs_tagscompat.h 2010-10-20 13:28:16.064000294 +0300
@@ -1,7 +1,7 @@
/*
* YAFFS: Yet another Flash File System . A NAND-flash specific file system.
@@ -17144,8 +20302,48 @@
* for Toby Churchill Ltd and Brightstar Engineering
*
* Created by Charles Manning <charles@aleph1.co.uk>
---- a/fs/yaffs2/yaffs_tagsvalidity.c
-+++ b/fs/yaffs2/yaffs_tagsvalidity.c
+@@ -17,23 +17,23 @@
+ #define __YAFFS_TAGSCOMPAT_H__
+
+ #include "yaffs_guts.h"
+-int yaffs_TagsCompatabilityWriteChunkWithTagsToNAND(yaffs_Device *dev,
+- int chunkInNAND,
++int yaffs_tags_compat_wr(yaffs_dev_t *dev,
++ int nand_chunk,
+ const __u8 *data,
+- const yaffs_ExtendedTags *tags);
+-int yaffs_TagsCompatabilityReadChunkWithTagsFromNAND(yaffs_Device *dev,
+- int chunkInNAND,
++ const yaffs_ext_tags *tags);
++int yaffs_tags_compat_rd(yaffs_dev_t *dev,
++ int nand_chunk,
+ __u8 *data,
+- yaffs_ExtendedTags *tags);
+-int yaffs_TagsCompatabilityMarkNANDBlockBad(struct yaffs_DeviceStruct *dev,
+- int blockNo);
+-int yaffs_TagsCompatabilityQueryNANDBlock(struct yaffs_DeviceStruct *dev,
+- int blockNo,
+- yaffs_BlockState *state,
+- __u32 *sequenceNumber);
++ yaffs_ext_tags *tags);
++int yaffs_tags_compat_mark_bad(struct yaffs_dev_s *dev,
++ int block_no);
++int yaffs_tags_compat_query_block(struct yaffs_dev_s *dev,
++ int block_no,
++ yaffs_block_state_t *state,
++ __u32 *seq_number);
+
+-void yaffs_CalcTagsECC(yaffs_Tags *tags);
+-int yaffs_CheckECCOnTags(yaffs_Tags *tags);
+-int yaffs_CountBits(__u8 byte);
++void yaffs_calc_tags_ecc(yaffs_tags_t *tags);
++int yaffs_check_tags_ecc(yaffs_tags_t *tags);
++int yaffs_count_bits(__u8 byte);
+
+ #endif
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/yaffs_tagsvalidity.c linux-2.6.36-rc8.new/fs/yaffs2/yaffs_tagsvalidity.c
+--- linux-2.6.36-rc8/fs/yaffs2/yaffs_tagsvalidity.c 2010-10-20 13:17:58.962000294 +0300
++++ linux-2.6.36-rc8.new/fs/yaffs2/yaffs_tagsvalidity.c 2010-10-20 13:28:16.030000294 +0300
@@ -1,7 +1,7 @@
/*
* YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
@@ -17155,8 +20353,33 @@
* for Toby Churchill Ltd and Brightstar Engineering
*
* Created by Charles Manning <charles@aleph1.co.uk>
---- a/fs/yaffs2/yaffs_tagsvalidity.h
-+++ b/fs/yaffs2/yaffs_tagsvalidity.h
+@@ -13,16 +13,16 @@
+
+ #include "yaffs_tagsvalidity.h"
+
+-void yaffs_InitialiseTags(yaffs_ExtendedTags *tags)
++void yaffs_init_tags(yaffs_ext_tags *tags)
+ {
+- memset(tags, 0, sizeof(yaffs_ExtendedTags));
+- tags->validMarker0 = 0xAAAAAAAA;
+- tags->validMarker1 = 0x55555555;
++ memset(tags, 0, sizeof(yaffs_ext_tags));
++ tags->validity1 = 0xAAAAAAAA;
++ tags->validty1 = 0x55555555;
+ }
+
+-int yaffs_ValidateTags(yaffs_ExtendedTags *tags)
++int yaffs_validate_tags(yaffs_ext_tags *tags)
+ {
+- return (tags->validMarker0 == 0xAAAAAAAA &&
+- tags->validMarker1 == 0x55555555);
++ return (tags->validity1 == 0xAAAAAAAA &&
++ tags->validty1 == 0x55555555);
+
+ }
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/yaffs_tagsvalidity.h linux-2.6.36-rc8.new/fs/yaffs2/yaffs_tagsvalidity.h
+--- linux-2.6.36-rc8/fs/yaffs2/yaffs_tagsvalidity.h 2010-10-20 13:17:58.962000294 +0300
++++ linux-2.6.36-rc8.new/fs/yaffs2/yaffs_tagsvalidity.h 2010-10-20 13:28:16.064000294 +0300
@@ -1,7 +1,7 @@
/*
* YAFFS: Yet another Flash File System . A NAND-flash specific file system.
@@ -17166,8 +20389,18 @@
* for Toby Churchill Ltd and Brightstar Engineering
*
* Created by Charles Manning <charles@aleph1.co.uk>
---- /dev/null
-+++ b/fs/yaffs2/yaffs_trace.h
+@@ -19,6 +19,6 @@
+
+ #include "yaffs_guts.h"
+
+-void yaffs_InitialiseTags(yaffs_ExtendedTags *tags);
+-int yaffs_ValidateTags(yaffs_ExtendedTags *tags);
++void yaffs_init_tags(yaffs_ext_tags *tags);
++int yaffs_validate_tags(yaffs_ext_tags *tags);
+ #endif
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/yaffs_trace.h linux-2.6.36-rc8.new/fs/yaffs2/yaffs_trace.h
+--- linux-2.6.36-rc8/fs/yaffs2/yaffs_trace.h 1970-01-01 02:00:00.000000000 +0200
++++ linux-2.6.36-rc8.new/fs/yaffs2/yaffs_trace.h 2010-10-20 13:28:16.064000294 +0300
@@ -0,0 +1,60 @@
+/*
+ * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
@@ -17188,7 +20421,7 @@
+#ifndef __YTRACE_H__
+#define __YTRACE_H__
+
-+extern unsigned int yaffs_traceMask;
++extern unsigned int yaffs_trace_mask;
+extern unsigned int yaffs_wr_attempts;
+
+/*
@@ -17226,11 +20459,12 @@
+#define YAFFS_TRACE_ALWAYS 0xF0000000
+
+
-+#define T(mask, p) do { if ((mask) & (yaffs_traceMask | YAFFS_TRACE_ALWAYS)) TOUT(p); } while (0)
++#define T(mask, p) do { if ((mask) & (yaffs_trace_mask | YAFFS_TRACE_ALWAYS)) TOUT(p); } while (0)
+
+#endif
---- /dev/null
-+++ b/fs/yaffs2/yaffs_verify.c
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/yaffs_verify.c linux-2.6.36-rc8.new/fs/yaffs2/yaffs_verify.c
+--- linux-2.6.36-rc8/fs/yaffs2/yaffs_verify.c 1970-01-01 02:00:00.000000000 +0200
++++ linux-2.6.36-rc8.new/fs/yaffs2/yaffs_verify.c 2010-10-20 13:28:16.031000294 +0300
@@ -0,0 +1,626 @@
+/*
+ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
@@ -17252,26 +20486,26 @@
+#include "yaffs_getblockinfo.h"
+#include "yaffs_nand.h"
+
-+int yaffs_SkipVerification(yaffs_Device *dev)
++int yaffs_skip_verification(yaffs_dev_t *dev)
+{
+ dev=dev;
-+ return !(yaffs_traceMask & (YAFFS_TRACE_VERIFY | YAFFS_TRACE_VERIFY_FULL));
++ return !(yaffs_trace_mask & (YAFFS_TRACE_VERIFY | YAFFS_TRACE_VERIFY_FULL));
+}
+
-+static int yaffs_SkipFullVerification(yaffs_Device *dev)
++static int yaffs_skip_full_verification(yaffs_dev_t *dev)
+{
+ dev=dev;
-+ return !(yaffs_traceMask & (YAFFS_TRACE_VERIFY_FULL));
++ return !(yaffs_trace_mask & (YAFFS_TRACE_VERIFY_FULL));
+}
+
-+static int yaffs_SkipNANDVerification(yaffs_Device *dev)
++static int yaffs_skip_nand_verification(yaffs_dev_t *dev)
+{
+ dev=dev;
-+ return !(yaffs_traceMask & (YAFFS_TRACE_VERIFY_NAND));
++ return !(yaffs_trace_mask & (YAFFS_TRACE_VERIFY_NAND));
+}
+
+
-+static const char *blockStateName[] = {
++static const char *block_stateName[] = {
+"Unknown",
+"Needs scanning",
+"Scanning",
@@ -17285,77 +20519,77 @@
+};
+
+
-+void yaffs_VerifyBlock(yaffs_Device *dev, yaffs_BlockInfo *bi, int n)
++void yaffs_verify_blk(yaffs_dev_t *dev, yaffs_block_info_t *bi, int n)
+{
+ int actuallyUsed;
+ int inUse;
+
-+ if (yaffs_SkipVerification(dev))
++ if (yaffs_skip_verification(dev))
+ return;
+
+ /* Report illegal runtime states */
-+ if (bi->blockState >= YAFFS_NUMBER_OF_BLOCK_STATES)
-+ T(YAFFS_TRACE_VERIFY, (TSTR("Block %d has undefined state %d"TENDSTR), n, bi->blockState));
++ if (bi->block_state >= YAFFS_NUMBER_OF_BLOCK_STATES)
++ T(YAFFS_TRACE_VERIFY, (TSTR("Block %d has undefined state %d"TENDSTR), n, bi->block_state));
+
-+ switch (bi->blockState) {
++ switch (bi->block_state) {
+ case YAFFS_BLOCK_STATE_UNKNOWN:
+ case YAFFS_BLOCK_STATE_SCANNING:
+ case YAFFS_BLOCK_STATE_NEEDS_SCANNING:
+ T(YAFFS_TRACE_VERIFY, (TSTR("Block %d has bad run-state %s"TENDSTR),
-+ n, blockStateName[bi->blockState]));
++ n, block_stateName[bi->block_state]));
+ }
+
+ /* Check pages in use and soft deletions are legal */
+
-+ actuallyUsed = bi->pagesInUse - bi->softDeletions;
++ actuallyUsed = bi->pages_in_use - bi->soft_del_pages;
+
-+ if (bi->pagesInUse < 0 || bi->pagesInUse > dev->param.nChunksPerBlock ||
-+ bi->softDeletions < 0 || bi->softDeletions > dev->param.nChunksPerBlock ||
-+ actuallyUsed < 0 || actuallyUsed > dev->param.nChunksPerBlock)
-+ T(YAFFS_TRACE_VERIFY, (TSTR("Block %d has illegal values pagesInUsed %d softDeletions %d"TENDSTR),
-+ n, bi->pagesInUse, bi->softDeletions));
++ if (bi->pages_in_use < 0 || bi->pages_in_use > dev->param.chunks_per_block ||
++ bi->soft_del_pages < 0 || bi->soft_del_pages > dev->param.chunks_per_block ||
++ actuallyUsed < 0 || actuallyUsed > dev->param.chunks_per_block)
++ T(YAFFS_TRACE_VERIFY, (TSTR("Block %d has illegal values pages_in_used %d soft_del_pages %d"TENDSTR),
++ n, bi->pages_in_use, bi->soft_del_pages));
+
+
+ /* Check chunk bitmap legal */
-+ inUse = yaffs_CountChunkBits(dev, n);
-+ if (inUse != bi->pagesInUse)
-+ T(YAFFS_TRACE_VERIFY, (TSTR("Block %d has inconsistent values pagesInUse %d counted chunk bits %d"TENDSTR),
-+ n, bi->pagesInUse, inUse));
++ inUse = yaffs_count_chunk_bits(dev, n);
++ if (inUse != bi->pages_in_use)
++ T(YAFFS_TRACE_VERIFY, (TSTR("Block %d has inconsistent values pages_in_use %d counted chunk bits %d"TENDSTR),
++ n, bi->pages_in_use, inUse));
+
+}
+
+
+
-+void yaffs_VerifyCollectedBlock(yaffs_Device *dev, yaffs_BlockInfo *bi, int n)
++void yaffs_verify_collected_blk(yaffs_dev_t *dev, yaffs_block_info_t *bi, int n)
+{
-+ yaffs_VerifyBlock(dev, bi, n);
++ yaffs_verify_blk(dev, bi, n);
+
+ /* After collection the block should be in the erased state */
+
-+ if (bi->blockState != YAFFS_BLOCK_STATE_COLLECTING &&
-+ bi->blockState != YAFFS_BLOCK_STATE_EMPTY) {
++ if (bi->block_state != YAFFS_BLOCK_STATE_COLLECTING &&
++ bi->block_state != YAFFS_BLOCK_STATE_EMPTY) {
+ T(YAFFS_TRACE_ERROR, (TSTR("Block %d is in state %d after gc, should be erased"TENDSTR),
-+ n, bi->blockState));
++ n, bi->block_state));
+ }
+}
+
-+void yaffs_VerifyBlocks(yaffs_Device *dev)
++void yaffs_verify_blocks(yaffs_dev_t *dev)
+{
+ int i;
+ int nBlocksPerState[YAFFS_NUMBER_OF_BLOCK_STATES];
+ int nIllegalBlockStates = 0;
+
-+ if (yaffs_SkipVerification(dev))
++ if (yaffs_skip_verification(dev))
+ return;
+
+ memset(nBlocksPerState, 0, sizeof(nBlocksPerState));
+
-+ for (i = dev->internalStartBlock; i <= dev->internalEndBlock; i++) {
-+ yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, i);
-+ yaffs_VerifyBlock(dev, bi, i);
++ for (i = dev->internal_start_block; i <= dev->internal_end_block; i++) {
++ yaffs_block_info_t *bi = yaffs_get_block_info(dev, i);
++ yaffs_verify_blk(dev, bi, i);
+
-+ if (bi->blockState < YAFFS_NUMBER_OF_BLOCK_STATES)
-+ nBlocksPerState[bi->blockState]++;
++ if (bi->block_state < YAFFS_NUMBER_OF_BLOCK_STATES)
++ nBlocksPerState[bi->block_state]++;
+ else
+ nIllegalBlockStates++;
+ }
@@ -17370,17 +20604,17 @@
+ for (i = 0; i < YAFFS_NUMBER_OF_BLOCK_STATES; i++)
+ T(YAFFS_TRACE_VERIFY,
+ (TSTR("%s %d blocks"TENDSTR),
-+ blockStateName[i], nBlocksPerState[i]));
++ block_stateName[i], nBlocksPerState[i]));
+
-+ if (dev->blocksInCheckpoint != nBlocksPerState[YAFFS_BLOCK_STATE_CHECKPOINT])
++ if (dev->blocks_in_checkpt != nBlocksPerState[YAFFS_BLOCK_STATE_CHECKPOINT])
+ T(YAFFS_TRACE_VERIFY,
+ (TSTR("Checkpoint block count wrong dev %d count %d"TENDSTR),
-+ dev->blocksInCheckpoint, nBlocksPerState[YAFFS_BLOCK_STATE_CHECKPOINT]));
++ dev->blocks_in_checkpt, nBlocksPerState[YAFFS_BLOCK_STATE_CHECKPOINT]));
+
-+ if (dev->nErasedBlocks != nBlocksPerState[YAFFS_BLOCK_STATE_EMPTY])
++ if (dev->n_erased_blocks != nBlocksPerState[YAFFS_BLOCK_STATE_EMPTY])
+ T(YAFFS_TRACE_VERIFY,
+ (TSTR("Erased block count wrong dev %d count %d"TENDSTR),
-+ dev->nErasedBlocks, nBlocksPerState[YAFFS_BLOCK_STATE_EMPTY]));
++ dev->n_erased_blocks, nBlocksPerState[YAFFS_BLOCK_STATE_EMPTY]));
+
+ if (nBlocksPerState[YAFFS_BLOCK_STATE_COLLECTING] > 1)
+ T(YAFFS_TRACE_VERIFY,
@@ -17395,9 +20629,9 @@
+ * Verify the object header. oh must be valid, but obj and tags may be NULL in which
+ * case those tests will not be performed.
+ */
-+void yaffs_VerifyObjectHeader(yaffs_Object *obj, yaffs_ObjectHeader *oh, yaffs_ExtendedTags *tags, int parentCheck)
++void yaffs_verify_oh(yaffs_obj_t *obj, yaffs_obj_header *oh, yaffs_ext_tags *tags, int parentCheck)
+{
-+ if (obj && yaffs_SkipVerification(obj->myDev))
++ if (obj && yaffs_skip_verification(obj->my_dev))
+ return;
+
+ if (!(tags && obj && oh)) {
@@ -17411,12 +20645,12 @@
+ oh->type > YAFFS_OBJECT_TYPE_MAX)
+ T(YAFFS_TRACE_VERIFY,
+ (TSTR("Obj %d header type is illegal value 0x%x"TENDSTR),
-+ tags->objectId, oh->type));
++ tags->obj_id, oh->type));
+
-+ if (tags->objectId != obj->objectId)
++ if (tags->obj_id != obj->obj_id)
+ T(YAFFS_TRACE_VERIFY,
-+ (TSTR("Obj %d header mismatch objectId %d"TENDSTR),
-+ tags->objectId, obj->objectId));
++ (TSTR("Obj %d header mismatch obj_id %d"TENDSTR),
++ tags->obj_id, obj->obj_id));
+
+
+ /*
@@ -17425,38 +20659,38 @@
+ * Tests do not apply to the root object.
+ */
+
-+ if (parentCheck && tags->objectId > 1 && !obj->parent)
++ if (parentCheck && tags->obj_id > 1 && !obj->parent)
+ T(YAFFS_TRACE_VERIFY,
-+ (TSTR("Obj %d header mismatch parentId %d obj->parent is NULL"TENDSTR),
-+ tags->objectId, oh->parentObjectId));
++ (TSTR("Obj %d header mismatch parent_id %d obj->parent is NULL"TENDSTR),
++ tags->obj_id, oh->parent_obj_id));
+
+ if (parentCheck && obj->parent &&
-+ oh->parentObjectId != obj->parent->objectId &&
-+ (oh->parentObjectId != YAFFS_OBJECTID_UNLINKED ||
-+ obj->parent->objectId != YAFFS_OBJECTID_DELETED))
++ oh->parent_obj_id != obj->parent->obj_id &&
++ (oh->parent_obj_id != YAFFS_OBJECTID_UNLINKED ||
++ obj->parent->obj_id != YAFFS_OBJECTID_DELETED))
+ T(YAFFS_TRACE_VERIFY,
-+ (TSTR("Obj %d header mismatch parentId %d parentObjectId %d"TENDSTR),
-+ tags->objectId, oh->parentObjectId, obj->parent->objectId));
++ (TSTR("Obj %d header mismatch parent_id %d parent_obj_id %d"TENDSTR),
++ tags->obj_id, oh->parent_obj_id, obj->parent->obj_id));
+
-+ if (tags->objectId > 1 && oh->name[0] == 0) /* Null name */
++ if (tags->obj_id > 1 && oh->name[0] == 0) /* Null name */
+ T(YAFFS_TRACE_VERIFY,
+ (TSTR("Obj %d header name is NULL"TENDSTR),
-+ obj->objectId));
++ obj->obj_id));
+
-+ if (tags->objectId > 1 && ((__u8)(oh->name[0])) == 0xff) /* Trashed name */
++ if (tags->obj_id > 1 && ((__u8)(oh->name[0])) == 0xff) /* Trashed name */
+ T(YAFFS_TRACE_VERIFY,
+ (TSTR("Obj %d header name is 0xFF"TENDSTR),
-+ obj->objectId));
++ obj->obj_id));
+}
+
+
+#if 0
+/* Not being used, but don't want to throw away yet */
-+int yaffs_VerifyTnodeWorker(yaffs_Object *obj, yaffs_Tnode *tn,
-+ __u32 level, int chunkOffset)
++int yaffs_verify_tnode_worker(yaffs_obj_t *obj, yaffs_tnode_t *tn,
++ __u32 level, int chunk_offset)
+{
+ int i;
-+ yaffs_Device *dev = obj->myDev;
++ yaffs_dev_t *dev = obj->my_dev;
+ int ok = 1;
+
+ if (tn) {
@@ -17464,31 +20698,31 @@
+
+ for (i = 0; i < YAFFS_NTNODES_INTERNAL && ok; i++) {
+ if (tn->internal[i]) {
-+ ok = yaffs_VerifyTnodeWorker(obj,
++ ok = yaffs_verify_tnode_worker(obj,
+ tn->internal[i],
+ level - 1,
-+ (chunkOffset<<YAFFS_TNODES_INTERNAL_BITS) + i);
++ (chunk_offset<<YAFFS_TNODES_INTERNAL_BITS) + i);
+ }
+ }
+ } else if (level == 0) {
-+ yaffs_ExtendedTags tags;
-+ __u32 objectId = obj->objectId;
++ yaffs_ext_tags tags;
++ __u32 obj_id = obj->obj_id;
+
-+ chunkOffset <<= YAFFS_TNODES_LEVEL0_BITS;
++ chunk_offset <<= YAFFS_TNODES_LEVEL0_BITS;
+
+ for (i = 0; i < YAFFS_NTNODES_LEVEL0; i++) {
-+ __u32 theChunk = yaffs_GetChunkGroupBase(dev, tn, i);
++ __u32 theChunk = yaffs_get_group_base(dev, tn, i);
+
+ if (theChunk > 0) {
-+ /* T(~0,(TSTR("verifying (%d:%d) %d"TENDSTR),tags.objectId,tags.chunkId,theChunk)); */
-+ yaffs_ReadChunkWithTagsFromNAND(dev, theChunk, NULL, &tags);
-+ if (tags.objectId != objectId || tags.chunkId != chunkOffset) {
-+ T(~0, (TSTR("Object %d chunkId %d NAND mismatch chunk %d tags (%d:%d)"TENDSTR),
-+ objectId, chunkOffset, theChunk,
-+ tags.objectId, tags.chunkId));
++ /* T(~0,(TSTR("verifying (%d:%d) %d"TENDSTR),tags.obj_id,tags.chunk_id,theChunk)); */
++ yaffs_rd_chunk_tags_nand(dev, theChunk, NULL, &tags);
++ if (tags.obj_id != obj_id || tags.chunk_id != chunk_offset) {
++ T(~0, (TSTR("Object %d chunk_id %d NAND mismatch chunk %d tags (%d:%d)"TENDSTR),
++ obj_id, chunk_offset, theChunk,
++ tags.obj_id, tags.chunk_id));
+ }
+ }
-+ chunkOffset++;
++ chunk_offset++;
+ }
+ }
+ }
@@ -17499,29 +20733,29 @@
+
+#endif
+
-+void yaffs_VerifyFile(yaffs_Object *obj)
++void yaffs_verify_file(yaffs_obj_t *obj)
+{
+ int requiredTallness;
+ int actualTallness;
+ __u32 lastChunk;
+ __u32 x;
+ __u32 i;
-+ yaffs_Device *dev;
-+ yaffs_ExtendedTags tags;
-+ yaffs_Tnode *tn;
-+ __u32 objectId;
++ yaffs_dev_t *dev;
++ yaffs_ext_tags tags;
++ yaffs_tnode_t *tn;
++ __u32 obj_id;
+
+ if (!obj)
+ return;
+
-+ if (yaffs_SkipVerification(obj->myDev))
++ if (yaffs_skip_verification(obj->my_dev))
+ return;
+
-+ dev = obj->myDev;
-+ objectId = obj->objectId;
++ dev = obj->my_dev;
++ obj_id = obj->obj_id;
+
+ /* Check file size is consistent with tnode depth */
-+ lastChunk = obj->variant.fileVariant.fileSize / dev->nDataBytesPerChunk + 1;
++ lastChunk = obj->variant.file_variant.file_size / dev->data_bytes_per_chunk + 1;
+ x = lastChunk >> YAFFS_TNODES_LEVEL0_BITS;
+ requiredTallness = 0;
+ while (x > 0) {
@@ -17529,28 +20763,28 @@
+ requiredTallness++;
+ }
+
-+ actualTallness = obj->variant.fileVariant.topLevel;
++ actualTallness = obj->variant.file_variant.top_level;
+
+ /* Check that the chunks in the tnode tree are all correct.
+ * We do this by scanning through the tnode tree and
+ * checking the tags for every chunk match.
+ */
+
-+ if (yaffs_SkipNANDVerification(dev))
++ if (yaffs_skip_nand_verification(dev))
+ return;
+
+ for (i = 1; i <= lastChunk; i++) {
-+ tn = yaffs_FindLevel0Tnode(dev, &obj->variant.fileVariant, i);
++ tn = yaffs_find_tnode_0(dev, &obj->variant.file_variant, i);
+
+ if (tn) {
-+ __u32 theChunk = yaffs_GetChunkGroupBase(dev, tn, i);
++ __u32 theChunk = yaffs_get_group_base(dev, tn, i);
+ if (theChunk > 0) {
-+ /* T(~0,(TSTR("verifying (%d:%d) %d"TENDSTR),objectId,i,theChunk)); */
-+ yaffs_ReadChunkWithTagsFromNAND(dev, theChunk, NULL, &tags);
-+ if (tags.objectId != objectId || tags.chunkId != i) {
-+ T(~0, (TSTR("Object %d chunkId %d NAND mismatch chunk %d tags (%d:%d)"TENDSTR),
-+ objectId, i, theChunk,
-+ tags.objectId, tags.chunkId));
++ /* T(~0,(TSTR("verifying (%d:%d) %d"TENDSTR),obj_id,i,theChunk)); */
++ yaffs_rd_chunk_tags_nand(dev, theChunk, NULL, &tags);
++ if (tags.obj_id != obj_id || tags.chunk_id != i) {
++ T(~0, (TSTR("Object %d chunk_id %d NAND mismatch chunk %d tags (%d:%d)"TENDSTR),
++ obj_id, i, theChunk,
++ tags.obj_id, tags.chunk_id));
+ }
+ }
+ }
@@ -17558,36 +20792,36 @@
+}
+
+
-+void yaffs_VerifyHardLink(yaffs_Object *obj)
++void yaffs_verify_link(yaffs_obj_t *obj)
+{
-+ if (obj && yaffs_SkipVerification(obj->myDev))
++ if (obj && yaffs_skip_verification(obj->my_dev))
+ return;
+
+ /* Verify sane equivalent object */
+}
+
-+void yaffs_VerifySymlink(yaffs_Object *obj)
++void yaffs_verify_symlink(yaffs_obj_t *obj)
+{
-+ if (obj && yaffs_SkipVerification(obj->myDev))
++ if (obj && yaffs_skip_verification(obj->my_dev))
+ return;
+
+ /* Verify symlink string */
+}
+
-+void yaffs_VerifySpecial(yaffs_Object *obj)
++void yaffs_verify_special(yaffs_obj_t *obj)
+{
-+ if (obj && yaffs_SkipVerification(obj->myDev))
++ if (obj && yaffs_skip_verification(obj->my_dev))
+ return;
+}
+
-+void yaffs_VerifyObject(yaffs_Object *obj)
++void yaffs_verify_obj(yaffs_obj_t *obj)
+{
-+ yaffs_Device *dev;
++ yaffs_dev_t *dev;
+
+ __u32 chunkMin;
+ __u32 chunkMax;
+
-+ __u32 chunkIdOk;
++ __u32 chunk_idOk;
+ __u32 chunkInRange;
+ __u32 chunkShouldNotBeDeleted;
+ __u32 chunkValid;
@@ -17595,117 +20829,117 @@
+ if (!obj)
+ return;
+
-+ if (obj->beingCreated)
++ if (obj->being_created)
+ return;
+
-+ dev = obj->myDev;
++ dev = obj->my_dev;
+
-+ if (yaffs_SkipVerification(dev))
++ if (yaffs_skip_verification(dev))
+ return;
+
+ /* Check sane object header chunk */
+
-+ chunkMin = dev->internalStartBlock * dev->param.nChunksPerBlock;
-+ chunkMax = (dev->internalEndBlock+1) * dev->param.nChunksPerBlock - 1;
++ chunkMin = dev->internal_start_block * dev->param.chunks_per_block;
++ chunkMax = (dev->internal_end_block+1) * dev->param.chunks_per_block - 1;
+
-+ chunkInRange = (((unsigned)(obj->hdrChunk)) >= chunkMin && ((unsigned)(obj->hdrChunk)) <= chunkMax);
-+ chunkIdOk = chunkInRange || (obj->hdrChunk == 0);
++ chunkInRange = (((unsigned)(obj->hdr_chunk)) >= chunkMin && ((unsigned)(obj->hdr_chunk)) <= chunkMax);
++ chunk_idOk = chunkInRange || (obj->hdr_chunk == 0);
+ chunkValid = chunkInRange &&
-+ yaffs_CheckChunkBit(dev,
-+ obj->hdrChunk / dev->param.nChunksPerBlock,
-+ obj->hdrChunk % dev->param.nChunksPerBlock);
++ yaffs_check_chunk_bit(dev,
++ obj->hdr_chunk / dev->param.chunks_per_block,
++ obj->hdr_chunk % dev->param.chunks_per_block);
+ chunkShouldNotBeDeleted = chunkInRange && !chunkValid;
+
+ if (!obj->fake &&
-+ (!chunkIdOk || chunkShouldNotBeDeleted)) {
++ (!chunk_idOk || chunkShouldNotBeDeleted)) {
+ T(YAFFS_TRACE_VERIFY,
-+ (TSTR("Obj %d has chunkId %d %s %s"TENDSTR),
-+ obj->objectId, obj->hdrChunk,
-+ chunkIdOk ? "" : ",out of range",
++ (TSTR("Obj %d has chunk_id %d %s %s"TENDSTR),
++ obj->obj_id, obj->hdr_chunk,
++ chunk_idOk ? "" : ",out of range",
+ chunkShouldNotBeDeleted ? ",marked as deleted" : ""));
+ }
+
-+ if (chunkValid && !yaffs_SkipNANDVerification(dev)) {
-+ yaffs_ExtendedTags tags;
-+ yaffs_ObjectHeader *oh;
-+ __u8 *buffer = yaffs_GetTempBuffer(dev, __LINE__);
++ if (chunkValid && !yaffs_skip_nand_verification(dev)) {
++ yaffs_ext_tags tags;
++ yaffs_obj_header *oh;
++ __u8 *buffer = yaffs_get_temp_buffer(dev, __LINE__);
+
-+ oh = (yaffs_ObjectHeader *)buffer;
++ oh = (yaffs_obj_header *)buffer;
+
-+ yaffs_ReadChunkWithTagsFromNAND(dev, obj->hdrChunk, buffer,
++ yaffs_rd_chunk_tags_nand(dev, obj->hdr_chunk, buffer,
+ &tags);
+
-+ yaffs_VerifyObjectHeader(obj, oh, &tags, 1);
++ yaffs_verify_oh(obj, oh, &tags, 1);
+
-+ yaffs_ReleaseTempBuffer(dev, buffer, __LINE__);
++ yaffs_release_temp_buffer(dev, buffer, __LINE__);
+ }
+
+ /* Verify it has a parent */
+ if (obj && !obj->fake &&
-+ (!obj->parent || obj->parent->myDev != dev)) {
++ (!obj->parent || obj->parent->my_dev != dev)) {
+ T(YAFFS_TRACE_VERIFY,
+ (TSTR("Obj %d has parent pointer %p which does not look like an object"TENDSTR),
-+ obj->objectId, obj->parent));
++ obj->obj_id, obj->parent));
+ }
+
+ /* Verify parent is a directory */
-+ if (obj->parent && obj->parent->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) {
++ if (obj->parent && obj->parent->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) {
+ T(YAFFS_TRACE_VERIFY,
+ (TSTR("Obj %d's parent is not a directory (type %d)"TENDSTR),
-+ obj->objectId, obj->parent->variantType));
++ obj->obj_id, obj->parent->variant_type));
+ }
+
-+ switch (obj->variantType) {
++ switch (obj->variant_type) {
+ case YAFFS_OBJECT_TYPE_FILE:
-+ yaffs_VerifyFile(obj);
++ yaffs_verify_file(obj);
+ break;
+ case YAFFS_OBJECT_TYPE_SYMLINK:
-+ yaffs_VerifySymlink(obj);
++ yaffs_verify_symlink(obj);
+ break;
+ case YAFFS_OBJECT_TYPE_DIRECTORY:
-+ yaffs_VerifyDirectory(obj);
++ yaffs_verify_dir(obj);
+ break;
+ case YAFFS_OBJECT_TYPE_HARDLINK:
-+ yaffs_VerifyHardLink(obj);
++ yaffs_verify_link(obj);
+ break;
+ case YAFFS_OBJECT_TYPE_SPECIAL:
-+ yaffs_VerifySpecial(obj);
++ yaffs_verify_special(obj);
+ break;
+ case YAFFS_OBJECT_TYPE_UNKNOWN:
+ default:
+ T(YAFFS_TRACE_VERIFY,
+ (TSTR("Obj %d has illegaltype %d"TENDSTR),
-+ obj->objectId, obj->variantType));
++ obj->obj_id, obj->variant_type));
+ break;
+ }
+}
+
-+void yaffs_VerifyObjects(yaffs_Device *dev)
++void yaffs_verify_objects(yaffs_dev_t *dev)
+{
-+ yaffs_Object *obj;
++ yaffs_obj_t *obj;
+ int i;
+ struct ylist_head *lh;
+
-+ if (yaffs_SkipVerification(dev))
++ if (yaffs_skip_verification(dev))
+ return;
+
+ /* Iterate through the objects in each hash entry */
+
+ for (i = 0; i < YAFFS_NOBJECT_BUCKETS; i++) {
-+ ylist_for_each(lh, &dev->objectBucket[i].list) {
++ ylist_for_each(lh, &dev->obj_bucket[i].list) {
+ if (lh) {
-+ obj = ylist_entry(lh, yaffs_Object, hashLink);
-+ yaffs_VerifyObject(obj);
++ obj = ylist_entry(lh, yaffs_obj_t, hash_link);
++ yaffs_verify_obj(obj);
+ }
+ }
+ }
+}
+
+
-+void yaffs_VerifyObjectInDirectory(yaffs_Object *obj)
++void yaffs_verify_obj_in_dir(yaffs_obj_t *obj)
+{
+ struct ylist_head *lh;
-+ yaffs_Object *listObj;
++ yaffs_obj_t *listObj;
+
+ int count = 0;
+
@@ -17715,7 +20949,7 @@
+ return;
+ }
+
-+ if (yaffs_SkipVerification(obj->myDev))
++ if (yaffs_skip_verification(obj->my_dev))
+ return;
+
+ if (!obj->parent) {
@@ -17724,17 +20958,17 @@
+ return;
+ }
+
-+ if (obj->parent->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) {
++ if (obj->parent->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) {
+ T(YAFFS_TRACE_ALWAYS, (TSTR("Parent is not directory" TENDSTR)));
+ YBUG();
+ }
+
+ /* Iterate through the objects in each hash entry */
+
-+ ylist_for_each(lh, &obj->parent->variant.directoryVariant.children) {
++ ylist_for_each(lh, &obj->parent->variant.dir_variant.children) {
+ if (lh) {
-+ listObj = ylist_entry(lh, yaffs_Object, siblings);
-+ yaffs_VerifyObject(listObj);
++ listObj = ylist_entry(lh, yaffs_obj_t, siblings);
++ yaffs_verify_obj(listObj);
+ if (obj == listObj)
+ count++;
+ }
@@ -17746,99 +20980,99 @@
+ }
+}
+
-+void yaffs_VerifyDirectory(yaffs_Object *directory)
++void yaffs_verify_dir(yaffs_obj_t *directory)
+{
+ struct ylist_head *lh;
-+ yaffs_Object *listObj;
++ yaffs_obj_t *listObj;
+
+ if (!directory) {
+ YBUG();
+ return;
+ }
+
-+ if (yaffs_SkipFullVerification(directory->myDev))
++ if (yaffs_skip_full_verification(directory->my_dev))
+ return;
+
-+ if (directory->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) {
-+ T(YAFFS_TRACE_ALWAYS, (TSTR("Directory has wrong type: %d" TENDSTR), directory->variantType));
++ if (directory->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) {
++ T(YAFFS_TRACE_ALWAYS, (TSTR("Directory has wrong type: %d" TENDSTR), directory->variant_type));
+ YBUG();
+ }
+
+ /* Iterate through the objects in each hash entry */
+
-+ ylist_for_each(lh, &directory->variant.directoryVariant.children) {
++ ylist_for_each(lh, &directory->variant.dir_variant.children) {
+ if (lh) {
-+ listObj = ylist_entry(lh, yaffs_Object, siblings);
++ listObj = ylist_entry(lh, yaffs_obj_t, siblings);
+ if (listObj->parent != directory) {
+ T(YAFFS_TRACE_ALWAYS, (TSTR("Object in directory list has wrong parent %p" TENDSTR), listObj->parent));
+ YBUG();
+ }
-+ yaffs_VerifyObjectInDirectory(listObj);
++ yaffs_verify_obj_in_dir(listObj);
+ }
+ }
+}
+
-+static int yaffs_freeVerificationFailures;
++static int yaffs_free_verification_failures;
+
-+void yaffs_VerifyFreeChunks(yaffs_Device *dev)
++void yaffs_verify_free_chunks(yaffs_dev_t *dev)
+{
+ int counted;
+ int difference;
+
-+ if (yaffs_SkipVerification(dev))
++ if (yaffs_skip_verification(dev))
+ return;
+
-+ counted = yaffs_CountFreeChunks(dev);
++ counted = yaffs_count_free_chunks(dev);
+
-+ difference = dev->nFreeChunks - counted;
++ difference = dev->n_free_chunks - counted;
+
+ if (difference) {
+ T(YAFFS_TRACE_ALWAYS,
+ (TSTR("Freechunks verification failure %d %d %d" TENDSTR),
-+ dev->nFreeChunks, counted, difference));
-+ yaffs_freeVerificationFailures++;
++ dev->n_free_chunks, counted, difference));
++ yaffs_free_verification_failures++;
+ }
+}
+
-+int yaffs_VerifyFileSanity(yaffs_Object *in)
++int yaffs_verify_file_sane(yaffs_obj_t *in)
+{
+#if 0
+ int chunk;
-+ int nChunks;
++ int n_chunks;
+ int fSize;
+ int failed = 0;
-+ int objId;
-+ yaffs_Tnode *tn;
-+ yaffs_Tags localTags;
-+ yaffs_Tags *tags = &localTags;
++ int obj_id;
++ yaffs_tnode_t *tn;
++ yaffs_tags_t localTags;
++ yaffs_tags_t *tags = &localTags;
+ int theChunk;
-+ int chunkDeleted;
++ int is_deleted;
+
-+ if (in->variantType != YAFFS_OBJECT_TYPE_FILE)
++ if (in->variant_type != YAFFS_OBJECT_TYPE_FILE)
+ return YAFFS_FAIL;
+
-+ objId = in->objectId;
-+ fSize = in->variant.fileVariant.fileSize;
-+ nChunks =
-+ (fSize + in->myDev->nDataBytesPerChunk - 1) / in->myDev->nDataBytesPerChunk;
++ obj_id = in->obj_id;
++ fSize = in->variant.file_variant.file_size;
++ n_chunks =
++ (fSize + in->my_dev->data_bytes_per_chunk - 1) / in->my_dev->data_bytes_per_chunk;
+
-+ for (chunk = 1; chunk <= nChunks; chunk++) {
-+ tn = yaffs_FindLevel0Tnode(in->myDev, &in->variant.fileVariant,
++ for (chunk = 1; chunk <= n_chunks; chunk++) {
++ tn = yaffs_find_tnode_0(in->my_dev, &in->variant.file_variant,
+ chunk);
+
+ if (tn) {
+
-+ theChunk = yaffs_GetChunkGroupBase(dev, tn, chunk);
++ theChunk = yaffs_get_group_base(dev, tn, chunk);
+
-+ if (yaffs_CheckChunkBits
-+ (dev, theChunk / dev->param.nChunksPerBlock,
-+ theChunk % dev->param.nChunksPerBlock)) {
++ if (yaffs_check_chunk_bits
++ (dev, theChunk / dev->param.chunks_per_block,
++ theChunk % dev->param.chunks_per_block)) {
+
-+ yaffs_ReadChunkTagsFromNAND(in->myDev, theChunk,
++ yaffs_rd_chunk_tags_nand(in->my_dev, theChunk,
+ tags,
-+ &chunkDeleted);
-+ if (yaffs_TagsMatch
-+ (tags, in->objectId, chunk, chunkDeleted)) {
++ &is_deleted);
++ if (yaffs_tags_match
++ (tags, in->obj_id, chunk, is_deleted)) {
+ /* found it; */
+
+ }
@@ -17858,8 +21092,9 @@
+ return YAFFS_OK;
+#endif
+}
---- /dev/null
-+++ b/fs/yaffs2/yaffs_verify.h
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/yaffs_verify.h linux-2.6.36-rc8.new/fs/yaffs2/yaffs_verify.h
+--- linux-2.6.36-rc8/fs/yaffs2/yaffs_verify.h 1970-01-01 02:00:00.000000000 +0200
++++ linux-2.6.36-rc8.new/fs/yaffs2/yaffs_verify.h 2010-10-20 13:28:16.064000294 +0300
@@ -0,0 +1,39 @@
+/*
+ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
@@ -17879,30 +21114,31 @@
+
+#include "yaffs_guts.h"
+
-+void yaffs_VerifyBlock(yaffs_Device *dev, yaffs_BlockInfo *bi, int n);
-+void yaffs_VerifyCollectedBlock(yaffs_Device *dev, yaffs_BlockInfo *bi, int n);
-+void yaffs_VerifyBlocks(yaffs_Device *dev);
++void yaffs_verify_blk(yaffs_dev_t *dev, yaffs_block_info_t *bi, int n);
++void yaffs_verify_collected_blk(yaffs_dev_t *dev, yaffs_block_info_t *bi, int n);
++void yaffs_verify_blocks(yaffs_dev_t *dev);
+
-+void yaffs_VerifyObjectHeader(yaffs_Object *obj, yaffs_ObjectHeader *oh, yaffs_ExtendedTags *tags, int parentCheck);
-+void yaffs_VerifyFile(yaffs_Object *obj);
-+void yaffs_VerifyHardLink(yaffs_Object *obj);
-+void yaffs_VerifySymlink(yaffs_Object *obj);
-+void yaffs_VerifySpecial(yaffs_Object *obj);
-+void yaffs_VerifyObject(yaffs_Object *obj);
-+void yaffs_VerifyObjects(yaffs_Device *dev);
-+void yaffs_VerifyObjectInDirectory(yaffs_Object *obj);
-+void yaffs_VerifyDirectory(yaffs_Object *directory);
-+void yaffs_VerifyFreeChunks(yaffs_Device *dev);
++void yaffs_verify_oh(yaffs_obj_t *obj, yaffs_obj_header *oh, yaffs_ext_tags *tags, int parentCheck);
++void yaffs_verify_file(yaffs_obj_t *obj);
++void yaffs_verify_link(yaffs_obj_t *obj);
++void yaffs_verify_symlink(yaffs_obj_t *obj);
++void yaffs_verify_special(yaffs_obj_t *obj);
++void yaffs_verify_obj(yaffs_obj_t *obj);
++void yaffs_verify_objects(yaffs_dev_t *dev);
++void yaffs_verify_obj_in_dir(yaffs_obj_t *obj);
++void yaffs_verify_dir(yaffs_obj_t *directory);
++void yaffs_verify_free_chunks(yaffs_dev_t *dev);
+
-+int yaffs_VerifyFileSanity(yaffs_Object *obj);
++int yaffs_verify_file_sane(yaffs_obj_t *obj);
+
-+int yaffs_SkipVerification(yaffs_Device *dev);
++int yaffs_skip_verification(yaffs_dev_t *dev);
+
+#endif
+
---- /dev/null
-+++ b/fs/yaffs2/yaffs_vfs_glue.c
-@@ -0,0 +1,3577 @@
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/yaffs_vfs_glue.c linux-2.6.36-rc8.new/fs/yaffs2/yaffs_vfs_glue.c
+--- linux-2.6.36-rc8/fs/yaffs2/yaffs_vfs_glue.c 1970-01-01 02:00:00.000000000 +0200
++++ linux-2.6.36-rc8.new/fs/yaffs2/yaffs_vfs_glue.c 2010-10-20 13:28:16.069000294 +0300
+@@ -0,0 +1,3576 @@
+/*
+ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
+ *
@@ -17929,11 +21165,11 @@
+ * the VFS.
+ *
+ * Special notes:
-+ * >> 2.4: sb->u.generic_sbp points to the yaffs_Device associated with
++ * >> 2.4: sb->u.generic_sbp points to the yaffs_dev_t associated with
+ * this superblock
-+ * >> 2.6: sb->s_fs_info points to the yaffs_Device associated with this
++ * >> 2.6: sb->s_fs_info points to the yaffs_dev_t associated with this
+ * superblock
-+ * >> inode->u.generic_ip points to the associated yaffs_Object.
++ * >> inode->u.generic_ip points to the associated yaffs_obj_t.
+ */
+
+/*
@@ -18075,7 +21311,7 @@
+#include "yaffs_mtdif1.h"
+#include "yaffs_mtdif2.h"
+
-+unsigned int yaffs_traceMask = YAFFS_TRACE_BAD_BLOCKS | YAFFS_TRACE_ALWAYS;
++unsigned int yaffs_trace_mask = YAFFS_TRACE_BAD_BLOCKS | YAFFS_TRACE_ALWAYS;
+unsigned int yaffs_wr_attempts = YAFFS_WR_ATTEMPTS;
+unsigned int yaffs_auto_checkpoint = 1;
+unsigned int yaffs_gc_control = 1;
@@ -18083,13 +21319,13 @@
+
+/* Module Parameters */
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
-+module_param(yaffs_traceMask, uint, 0644);
++module_param(yaffs_trace_mask, uint, 0644);
+module_param(yaffs_wr_attempts, uint, 0644);
+module_param(yaffs_auto_checkpoint, uint, 0644);
+module_param(yaffs_gc_control, uint, 0644);
+module_param(yaffs_bg_enable, uint, 0644);
+#else
-+MODULE_PARM(yaffs_traceMask, "i");
++MODULE_PARM(yaffs_trace_mask, "i");
+MODULE_PARM(yaffs_wr_attempts, "i");
+MODULE_PARM(yaffs_auto_checkpoint, "i");
+MODULE_PARM(yaffs_gc_control, "i");
@@ -18114,13 +21350,13 @@
+#define yaffs_InodeToObjectLV(iptr) ((iptr)->u.generic_ip)
+#endif
+
-+#define yaffs_InodeToObject(iptr) ((yaffs_Object *)(yaffs_InodeToObjectLV(iptr)))
-+#define yaffs_DentryToObject(dptr) yaffs_InodeToObject((dptr)->d_inode)
++#define yaffs_InodeToObject(iptr) ((yaffs_obj_t *)(yaffs_InodeToObjectLV(iptr)))
++#define yaffs_dentry_to_obj(dptr) yaffs_InodeToObject((dptr)->d_inode)
+
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
-+#define yaffs_SuperToDevice(sb) ((yaffs_Device *)sb->s_fs_info)
++#define yaffs_SuperToDevice(sb) ((yaffs_dev_t *)sb->s_fs_info)
+#else
-+#define yaffs_SuperToDevice(sb) ((yaffs_Device *)sb->u.generic_sbp)
++#define yaffs_SuperToDevice(sb) ((yaffs_dev_t *)sb->u.generic_sbp)
+#endif
+
+
@@ -18245,7 +21481,7 @@
+static int yaffs_follow_link(struct dentry *dentry, struct nameidata *nd);
+#endif
+
-+static void yaffs_MarkSuperBlockDirty(yaffs_Device *dev);
++static void yaffs_touch_super(yaffs_dev_t *dev);
+
+static loff_t yaffs_dir_llseek(struct file *file, loff_t offset, int origin);
+
@@ -18412,22 +21648,22 @@
+
+}
+
-+static unsigned yaffs_gc_control_callback(yaffs_Device *dev)
++static unsigned yaffs_gc_control_callback(yaffs_dev_t *dev)
+{
+ return yaffs_gc_control;
+}
+
-+static void yaffs_GrossLock(yaffs_Device *dev)
++static void yaffs_gross_lock(yaffs_dev_t *dev)
+{
+ T(YAFFS_TRACE_LOCK, (TSTR("yaffs locking %p\n"), current));
-+ down(&(yaffs_DeviceToLC(dev)->grossLock));
++ down(&(yaffs_dev_to_lc(dev)->grossLock));
+ T(YAFFS_TRACE_LOCK, (TSTR("yaffs locked %p\n"), current));
+}
+
-+static void yaffs_GrossUnlock(yaffs_Device *dev)
++static void yaffs_gross_unlock(yaffs_dev_t *dev)
+{
+ T(YAFFS_TRACE_LOCK, (TSTR("yaffs unlocking %p\n"), current));
-+ up(&(yaffs_DeviceToLC(dev)->grossLock));
++ up(&(yaffs_dev_to_lc(dev)->grossLock));
+}
+
+#ifdef YAFFS_COMPILE_EXPORTFS
@@ -18457,15 +21693,15 @@
+ struct dentry *parent = ERR_PTR(-ENOENT);
+ struct inode *inode;
+ unsigned long parent_ino;
-+ yaffs_Object *d_obj;
-+ yaffs_Object *parent_obj;
++ yaffs_obj_t *d_obj;
++ yaffs_obj_t *parent_obj;
+
+ d_obj = yaffs_InodeToObject(dentry->d_inode);
+
+ if (d_obj) {
+ parent_obj = d_obj->parent;
+ if (parent_obj) {
-+ parent_ino = yaffs_GetObjectInode(parent_obj);
++ parent_ino = yaffs_get_obj_inode(parent_obj);
+ inode = Y_IGET(sb, parent_ino);
+
+ if (IS_ERR(inode)) {
@@ -18504,11 +21740,11 @@
+ * A search context iterates along a doubly linked list of siblings in the
+ * directory. If the iterating object is deleted then this would corrupt
+ * the list iteration, likely causing a crash. The search context avoids
-+ * this by using the removeObjectCallback to move the search context to the
++ * this by using the remove_obj_fn to move the search context to the
+ * next object before the object is deleted.
+ *
+ * Many readdirs (and thus seach conexts) may be alive simulateously so
-+ * each yaffs_Device has a list of these.
++ * each yaffs_dev_t has a list of these.
+ *
+ * A seach context lives for the duration of a readdir.
+ *
@@ -18516,9 +21752,9 @@
+ */
+
+struct yaffs_SearchContext {
-+ yaffs_Device *dev;
-+ yaffs_Object *dirObj;
-+ yaffs_Object *nextReturn;
++ yaffs_dev_t *dev;
++ yaffs_obj_t *dirObj;
++ yaffs_obj_t *nextReturn;
+ struct ylist_head others;
+};
+
@@ -18528,29 +21764,29 @@
+ *
+ * Called at start of readdir.
+ */
-+static struct yaffs_SearchContext * yaffs_NewSearch(yaffs_Object *dir)
++static struct yaffs_SearchContext * yaffs_NewSearch(yaffs_obj_t *dir)
+{
-+ yaffs_Device *dev = dir->myDev;
++ yaffs_dev_t *dev = dir->my_dev;
+ struct yaffs_SearchContext *sc = YMALLOC(sizeof(struct yaffs_SearchContext));
+ if(sc){
+ sc->dirObj = dir;
+ sc->dev = dev;
-+ if( ylist_empty(&sc->dirObj->variant.directoryVariant.children))
++ if( ylist_empty(&sc->dirObj->variant.dir_variant.children))
+ sc->nextReturn = NULL;
+ else
+ sc->nextReturn = ylist_entry(
-+ dir->variant.directoryVariant.children.next,
-+ yaffs_Object,siblings);
++ dir->variant.dir_variant.children.next,
++ yaffs_obj_t,siblings);
+ YINIT_LIST_HEAD(&sc->others);
-+ ylist_add(&sc->others,&(yaffs_DeviceToLC(dev)->searchContexts));
++ ylist_add(&sc->others,&(yaffs_dev_to_lc(dev)->searchContexts));
+ }
+ return sc;
+}
+
+/*
-+ * yaffs_EndSearch() disposes of a search context and cleans up.
++ * yaffs_search_end() disposes of a search context and cleans up.
+ */
-+static void yaffs_EndSearch(struct yaffs_SearchContext * sc)
++static void yaffs_search_end(struct yaffs_SearchContext * sc)
+{
+ if(sc){
+ ylist_del(&sc->others);
@@ -18559,39 +21795,39 @@
+}
+
+/*
-+ * yaffs_SearchAdvance() moves a search context to the next object.
++ * yaffs_search_advance() moves a search context to the next object.
+ * Called when the search iterates or when an object removal causes
+ * the search context to be moved to the next object.
+ */
-+static void yaffs_SearchAdvance(struct yaffs_SearchContext *sc)
++static void yaffs_search_advance(struct yaffs_SearchContext *sc)
+{
+ if(!sc)
+ return;
+
+ if( sc->nextReturn == NULL ||
-+ ylist_empty(&sc->dirObj->variant.directoryVariant.children))
++ ylist_empty(&sc->dirObj->variant.dir_variant.children))
+ sc->nextReturn = NULL;
+ else {
+ struct ylist_head *next = sc->nextReturn->siblings.next;
+
-+ if( next == &sc->dirObj->variant.directoryVariant.children)
++ if( next == &sc->dirObj->variant.dir_variant.children)
+ sc->nextReturn = NULL; /* end of list */
+ else
-+ sc->nextReturn = ylist_entry(next,yaffs_Object,siblings);
++ sc->nextReturn = ylist_entry(next,yaffs_obj_t,siblings);
+ }
+}
+
+/*
-+ * yaffs_RemoveObjectCallback() is called when an object is unlinked.
++ * yaffs_remove_obj_callback() is called when an object is unlinked.
+ * We check open search contexts and advance any which are currently
+ * on the object being iterated.
+ */
-+static void yaffs_RemoveObjectCallback(yaffs_Object *obj)
++static void yaffs_remove_obj_callback(yaffs_obj_t *obj)
+{
+
+ struct ylist_head *i;
+ struct yaffs_SearchContext *sc;
-+ struct ylist_head *search_contexts = &(yaffs_DeviceToLC(obj->myDev)->searchContexts);
++ struct ylist_head *search_contexts = &(yaffs_dev_to_lc(obj->my_dev)->searchContexts);
+
+
+ /* Iterate through the directory search contexts.
@@ -18602,7 +21838,7 @@
+ if (i) {
+ sc = ylist_entry(i, struct yaffs_SearchContext,others);
+ if(sc->nextReturn == obj)
-+ yaffs_SearchAdvance(sc);
++ yaffs_search_advance(sc);
+ }
+ }
+
@@ -18617,13 +21853,13 @@
+ unsigned char *alias;
+ int ret;
+
-+ yaffs_Device *dev = yaffs_DentryToObject(dentry)->myDev;
++ yaffs_dev_t *dev = yaffs_dentry_to_obj(dentry)->my_dev;
+
-+ yaffs_GrossLock(dev);
++ yaffs_gross_lock(dev);
+
-+ alias = yaffs_GetSymlinkAlias(yaffs_DentryToObject(dentry));
++ alias = yaffs_get_symlink_alias(yaffs_dentry_to_obj(dentry));
+
-+ yaffs_GrossUnlock(dev);
++ yaffs_gross_unlock(dev);
+
+ if (!alias)
+ return -ENOMEM;
@@ -18641,12 +21877,12 @@
+{
+ unsigned char *alias;
+ int ret;
-+ yaffs_Device *dev = yaffs_DentryToObject(dentry)->myDev;
++ yaffs_dev_t *dev = yaffs_dentry_to_obj(dentry)->my_dev;
+
-+ yaffs_GrossLock(dev);
++ yaffs_gross_lock(dev);
+
-+ alias = yaffs_GetSymlinkAlias(yaffs_DentryToObject(dentry));
-+ yaffs_GrossUnlock(dev);
++ alias = yaffs_get_symlink_alias(yaffs_dentry_to_obj(dentry));
++ yaffs_gross_unlock(dev);
+
+ if (!alias) {
+ ret = -ENOMEM;
@@ -18673,7 +21909,7 @@
+#endif
+
+struct inode *yaffs_get_inode(struct super_block *sb, int mode, int dev,
-+ yaffs_Object *obj);
++ yaffs_obj_t *obj);
+
+/*
+ * Lookup is used to find objects in the fs
@@ -18686,30 +21922,30 @@
+static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry)
+#endif
+{
-+ yaffs_Object *obj;
++ yaffs_obj_t *obj;
+ struct inode *inode = NULL; /* NCB 2.5/2.6 needs NULL here */
+
-+ yaffs_Device *dev = yaffs_InodeToObject(dir)->myDev;
++ yaffs_dev_t *dev = yaffs_InodeToObject(dir)->my_dev;
+
-+ if(current != yaffs_DeviceToLC(dev)->readdirProcess)
-+ yaffs_GrossLock(dev);
++ if(current != yaffs_dev_to_lc(dev)->readdirProcess)
++ yaffs_gross_lock(dev);
+
+ T(YAFFS_TRACE_OS,
+ (TSTR("yaffs_lookup for %d:%s\n"),
-+ yaffs_InodeToObject(dir)->objectId, dentry->d_name.name));
++ yaffs_InodeToObject(dir)->obj_id, dentry->d_name.name));
+
-+ obj = yaffs_FindObjectByName(yaffs_InodeToObject(dir),
++ obj = yaffs_find_by_name(yaffs_InodeToObject(dir),
+ dentry->d_name.name);
+
-+ obj = yaffs_GetEquivalentObject(obj); /* in case it was a hardlink */
++ obj = yaffs_get_equivalent_obj(obj); /* in case it was a hardlink */
+
+ /* Can't hold gross lock when calling yaffs_get_inode() */
-+ if(current != yaffs_DeviceToLC(dev)->readdirProcess)
-+ yaffs_GrossUnlock(dev);
++ if(current != yaffs_dev_to_lc(dev)->readdirProcess)
++ yaffs_gross_unlock(dev);
+
+ if (obj) {
+ T(YAFFS_TRACE_OS,
-+ (TSTR("yaffs_lookup found %d\n"), obj->objectId));
++ (TSTR("yaffs_lookup found %d\n"), obj->obj_id));
+
+ inode = yaffs_get_inode(dir->i_sb, obj->yst_mode, 0, obj);
+
@@ -18755,19 +21991,19 @@
+#endif
+
+
-+static void yaffs_UnstitchObject(struct inode *inode, yaffs_Object *obj)
++static void yaffs_unstitch_obj(struct inode *inode, yaffs_obj_t *obj)
+{
+ /* Clear the association between the inode and
-+ * the yaffs_Object.
++ * the yaffs_obj_t.
+ */
-+ obj->myInode = NULL;
++ obj->my_inode = NULL;
+ yaffs_InodeToObjectLV(inode) = NULL;
+
+ /* If the object freeing was deferred, then the real
+ * free happens now.
+ * This should fix the inode inconsistency problem.
+ */
-+ yaffs_HandleDeferedFree(obj);
++ yaffs_handle_defered_free(obj);
+}
+
+#ifdef YAFFS_HAS_EVICT_INODE
@@ -18777,8 +22013,8 @@
+ */
+static void yaffs_evict_inode( struct inode *inode)
+{
-+ yaffs_Object *obj;
-+ yaffs_Device *dev;
++ yaffs_obj_t *obj;
++ yaffs_dev_t *dev;
+ int deleteme = 0;
+
+ obj = yaffs_InodeToObject(inode);
@@ -18794,16 +22030,16 @@
+ end_writeback(inode);
+
+ if(deleteme && obj){
-+ dev = obj->myDev;
-+ yaffs_GrossLock(dev);
-+ yaffs_DeleteObject(obj);
-+ yaffs_GrossUnlock(dev);
++ dev = obj->my_dev;
++ yaffs_gross_lock(dev);
++ yaffs_del_obj(obj);
++ yaffs_gross_unlock(dev);
+ }
+ if (obj) {
-+ dev = obj->myDev;
-+ yaffs_GrossLock(dev);
-+ yaffs_UnstitchObject(inode,obj);
-+ yaffs_GrossUnlock(dev);
++ dev = obj->my_dev;
++ yaffs_gross_lock(dev);
++ yaffs_unstitch_obj(inode,obj);
++ yaffs_gross_unlock(dev);
+ }
+
+
@@ -18819,8 +22055,8 @@
+
+static void yaffs_clear_inode(struct inode *inode)
+{
-+ yaffs_Object *obj;
-+ yaffs_Device *dev;
++ yaffs_obj_t *obj;
++ yaffs_dev_t *dev;
+
+ obj = yaffs_InodeToObject(inode);
+
@@ -18830,10 +22066,10 @@
+ obj ? "object exists" : "null object"));
+
+ if (obj) {
-+ dev = obj->myDev;
-+ yaffs_GrossLock(dev);
-+ yaffs_UnstitchObject(inode,obj);
-+ yaffs_GrossUnlock(dev);
++ dev = obj->my_dev;
++ yaffs_gross_lock(dev);
++ yaffs_unstitch_obj(inode,obj);
++ yaffs_gross_unlock(dev);
+ }
+
+}
@@ -18845,8 +22081,8 @@
+ */
+static void yaffs_delete_inode(struct inode *inode)
+{
-+ yaffs_Object *obj = yaffs_InodeToObject(inode);
-+ yaffs_Device *dev;
++ yaffs_obj_t *obj = yaffs_InodeToObject(inode);
++ yaffs_dev_t *dev;
+
+ T(YAFFS_TRACE_OS,
+ (TSTR("yaffs_delete_inode: ino %d, count %d %s\n"), (int)inode->i_ino,
@@ -18854,10 +22090,10 @@
+ obj ? "object exists" : "null object"));
+
+ if (obj) {
-+ dev = obj->myDev;
-+ yaffs_GrossLock(dev);
-+ yaffs_DeleteObject(obj);
-+ yaffs_GrossUnlock(dev);
++ dev = obj->my_dev;
++ yaffs_gross_lock(dev);
++ yaffs_del_obj(obj);
++ yaffs_gross_unlock(dev);
+ }
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 13))
+ truncate_inode_pages(&inode->i_data, 0);
@@ -18873,19 +22109,19 @@
+static int yaffs_file_flush(struct file *file)
+#endif
+{
-+ yaffs_Object *obj = yaffs_DentryToObject(file->f_dentry);
++ yaffs_obj_t *obj = yaffs_dentry_to_obj(file->f_dentry);
+
-+ yaffs_Device *dev = obj->myDev;
++ yaffs_dev_t *dev = obj->my_dev;
+
+ T(YAFFS_TRACE_OS,
-+ (TSTR("yaffs_file_flush object %d (%s)\n"), obj->objectId,
++ (TSTR("yaffs_file_flush object %d (%s)\n"), obj->obj_id,
+ obj->dirty ? "dirty" : "clean"));
+
-+ yaffs_GrossLock(dev);
++ yaffs_gross_lock(dev);
+
-+ yaffs_FlushFile(obj, 1, 0);
++ yaffs_flush_file(obj, 1, 0);
+
-+ yaffs_GrossUnlock(dev);
++ yaffs_gross_unlock(dev);
+
+ return 0;
+}
@@ -18894,20 +22130,20 @@
+{
+ /* Lifted from jffs2 */
+
-+ yaffs_Object *obj;
++ yaffs_obj_t *obj;
+ unsigned char *pg_buf;
+ int ret;
+
-+ yaffs_Device *dev;
++ yaffs_dev_t *dev;
+
+ T(YAFFS_TRACE_OS,
+ (TSTR("yaffs_readpage_nolock at %08x, size %08x\n"),
+ (unsigned)(pg->index << PAGE_CACHE_SHIFT),
+ (unsigned)PAGE_CACHE_SIZE));
+
-+ obj = yaffs_DentryToObject(f->f_dentry);
++ obj = yaffs_dentry_to_obj(f->f_dentry);
+
-+ dev = obj->myDev;
++ dev = obj->my_dev;
+
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
+ BUG_ON(!PageLocked(pg));
@@ -18919,13 +22155,13 @@
+ pg_buf = kmap(pg);
+ /* FIXME: Can kmap fail? */
+
-+ yaffs_GrossLock(dev);
++ yaffs_gross_lock(dev);
+
-+ ret = yaffs_ReadDataFromFile(obj, pg_buf,
++ ret = yaffs_file_rd(obj, pg_buf,
+ pg->index << PAGE_CACHE_SHIFT,
+ PAGE_CACHE_SIZE);
+
-+ yaffs_GrossUnlock(dev);
++ yaffs_gross_unlock(dev);
+
+ if (ret >= 0)
+ ret = 0;
@@ -18970,14 +22206,14 @@
+static int yaffs_writepage(struct page *page)
+#endif
+{
-+ yaffs_Device *dev;
++ yaffs_dev_t *dev;
+ struct address_space *mapping = page->mapping;
+ struct inode *inode;
+ unsigned long end_index;
+ char *buffer;
-+ yaffs_Object *obj;
++ yaffs_obj_t *obj;
+ int nWritten = 0;
-+ unsigned nBytes;
++ unsigned n_bytes;
+ loff_t i_size;
+
+ if (!mapping)
@@ -18990,11 +22226,11 @@
+ end_index = i_size >> PAGE_CACHE_SHIFT;
+
+ if(page->index < end_index)
-+ nBytes = PAGE_CACHE_SIZE;
++ n_bytes = PAGE_CACHE_SIZE;
+ else {
-+ nBytes = i_size & (PAGE_CACHE_SIZE -1);
++ n_bytes = i_size & (PAGE_CACHE_SIZE -1);
+
-+ if (page->index > end_index || !nBytes) {
++ if (page->index > end_index || !n_bytes) {
+ T(YAFFS_TRACE_OS,
+ (TSTR("yaffs_writepage at %08x, inode size = %08x!!!\n"),
+ (unsigned)(page->index << PAGE_CACHE_SHIFT),
@@ -19010,34 +22246,34 @@
+ }
+ }
+
-+ if(nBytes != PAGE_CACHE_SIZE)
-+ zero_user_segment(page,nBytes,PAGE_CACHE_SIZE);
++ if(n_bytes != PAGE_CACHE_SIZE)
++ zero_user_segment(page,n_bytes,PAGE_CACHE_SIZE);
+
+ get_page(page);
+
+ buffer = kmap(page);
+
+ obj = yaffs_InodeToObject(inode);
-+ dev = obj->myDev;
-+ yaffs_GrossLock(dev);
++ dev = obj->my_dev;
++ yaffs_gross_lock(dev);
+
+ T(YAFFS_TRACE_OS,
+ (TSTR("yaffs_writepage at %08x, size %08x\n"),
-+ (unsigned)(page->index << PAGE_CACHE_SHIFT), nBytes));
++ (unsigned)(page->index << PAGE_CACHE_SHIFT), n_bytes));
+ T(YAFFS_TRACE_OS,
+ (TSTR("writepag0: obj = %05x, ino = %05x\n"),
-+ (int)obj->variant.fileVariant.fileSize, (int)inode->i_size));
++ (int)obj->variant.file_variant.file_size, (int)inode->i_size));
+
-+ nWritten = yaffs_WriteDataToFile(obj, buffer,
-+ page->index << PAGE_CACHE_SHIFT, nBytes, 0);
++ nWritten = yaffs_wr_file(obj, buffer,
++ page->index << PAGE_CACHE_SHIFT, n_bytes, 0);
+
-+ yaffs_MarkSuperBlockDirty(dev);
++ yaffs_touch_super(dev);
+
+ T(YAFFS_TRACE_OS,
+ (TSTR("writepag1: obj = %05x, ino = %05x\n"),
-+ (int)obj->variant.fileVariant.fileSize, (int)inode->i_size));
++ (int)obj->variant.file_variant.file_size, (int)inode->i_size));
+
-+ yaffs_GrossUnlock(dev);
++ yaffs_gross_unlock(dev);
+
+ kunmap(page);
+ set_page_writeback(page);
@@ -19045,7 +22281,7 @@
+ end_page_writeback(page);
+ put_page(page);
+
-+ return (nWritten == nBytes) ? 0 : -ENOSPC;
++ return (nWritten == n_bytes) ? 0 : -ENOSPC;
+}
+
+
@@ -19135,7 +22371,7 @@
+ addr = kva + offset_into_page;
+
+ T(YAFFS_TRACE_OS,
-+ ("yaffs_write_end addr %p pos %x nBytes %d\n",
++ ("yaffs_write_end addr %p pos %x n_bytes %d\n",
+ addr,(unsigned)pos, copied));
+
+ ret = yaffs_file_write(filp, addr, copied, &pos);
@@ -19164,7 +22400,7 @@
+ void *addr, *kva;
+
+ loff_t pos = (((loff_t) pg->index) << PAGE_CACHE_SHIFT) + offset;
-+ int nBytes = to - offset;
++ int n_bytes = to - offset;
+ int nWritten;
+
+ unsigned spos = pos;
@@ -19176,15 +22412,15 @@
+ saddr = (unsigned) addr;
+
+ T(YAFFS_TRACE_OS,
-+ (TSTR("yaffs_commit_write addr %x pos %x nBytes %d\n"),
-+ saddr, spos, nBytes));
++ (TSTR("yaffs_commit_write addr %x pos %x n_bytes %d\n"),
++ saddr, spos, n_bytes));
+
-+ nWritten = yaffs_file_write(f, addr, nBytes, &pos);
++ nWritten = yaffs_file_write(f, addr, n_bytes, &pos);
+
-+ if (nWritten != nBytes) {
++ if (nWritten != n_bytes) {
+ T(YAFFS_TRACE_OS,
-+ (TSTR("yaffs_commit_write not same size nWritten %d nBytes %d\n"),
-+ nWritten, nBytes));
++ (TSTR("yaffs_commit_write not same size nWritten %d n_bytes %d\n"),
++ nWritten, n_bytes));
+ SetPageError(pg);
+ } else {
+ /* Nothing */
@@ -19194,21 +22430,21 @@
+
+ T(YAFFS_TRACE_OS,
+ (TSTR("yaffs_commit_write returning %d\n"),
-+ nWritten == nBytes ? 0 : nWritten));
++ nWritten == n_bytes ? 0 : nWritten));
+
-+ return nWritten == nBytes ? 0 : nWritten;
++ return nWritten == n_bytes ? 0 : nWritten;
+}
+#endif
+
+
-+static void yaffs_FillInodeFromObject(struct inode *inode, yaffs_Object *obj)
++static void yaffs_fill_inode_from_obj(struct inode *inode, yaffs_obj_t *obj)
+{
+ if (inode && obj) {
+
+
+ /* Check mode against the variant type and attempt to repair if broken. */
+ __u32 mode = obj->yst_mode;
-+ switch (obj->variantType) {
++ switch (obj->variant_type) {
+ case YAFFS_OBJECT_TYPE_FILE:
+ if (!S_ISREG(mode)) {
+ obj->yst_mode &= ~S_IFMT;
@@ -19240,7 +22476,7 @@
+
+ inode->i_flags |= S_NOATIME;
+
-+ inode->i_ino = obj->objectId;
++ inode->i_ino = obj->obj_id;
+ inode->i_mode = obj->yst_mode;
+ inode->i_uid = obj->yst_uid;
+ inode->i_gid = obj->yst_gid;
@@ -19262,13 +22498,13 @@
+ inode->i_mtime = obj->yst_mtime;
+ inode->i_ctime = obj->yst_ctime;
+#endif
-+ inode->i_size = yaffs_GetObjectFileLength(obj);
++ inode->i_size = yaffs_get_obj_length(obj);
+ inode->i_blocks = (inode->i_size + 511) >> 9;
+
-+ inode->i_nlink = yaffs_GetObjectLinkCount(obj);
++ inode->i_nlink = yaffs_get_obj_link_count(obj);
+
+ T(YAFFS_TRACE_OS,
-+ (TSTR("yaffs_FillInode mode %x uid %d gid %d size %d count %d\n"),
++ (TSTR("yaffs_fill_inode mode %x uid %d gid %d size %d count %d\n"),
+ inode->i_mode, inode->i_uid, inode->i_gid,
+ (int)inode->i_size, atomic_read(&inode->i_count)));
+
@@ -19299,7 +22535,7 @@
+
+ yaffs_InodeToObjectLV(inode) = obj;
+
-+ obj->myInode = inode;
++ obj->my_inode = inode;
+
+ } else {
+ T(YAFFS_TRACE_OS,
@@ -19309,7 +22545,7 @@
+}
+
+struct inode *yaffs_get_inode(struct super_block *sb, int mode, int dev,
-+ yaffs_Object *obj)
++ yaffs_obj_t *obj)
+{
+ struct inode *inode;
+
@@ -19328,9 +22564,9 @@
+ }
+
+ T(YAFFS_TRACE_OS,
-+ (TSTR("yaffs_get_inode for object %d\n"), obj->objectId));
++ (TSTR("yaffs_get_inode for object %d\n"), obj->obj_id));
+
-+ inode = Y_IGET(sb, obj->objectId);
++ inode = Y_IGET(sb, obj->obj_id);
+ if (IS_ERR(inode))
+ return NULL;
+
@@ -19344,16 +22580,16 @@
+static ssize_t yaffs_file_write(struct file *f, const char *buf, size_t n,
+ loff_t *pos)
+{
-+ yaffs_Object *obj;
++ yaffs_obj_t *obj;
+ int nWritten, ipos;
+ struct inode *inode;
-+ yaffs_Device *dev;
++ yaffs_dev_t *dev;
+
-+ obj = yaffs_DentryToObject(f->f_dentry);
++ obj = yaffs_dentry_to_obj(f->f_dentry);
+
-+ dev = obj->myDev;
++ dev = obj->my_dev;
+
-+ yaffs_GrossLock(dev);
++ yaffs_gross_lock(dev);
+
+ inode = f->f_dentry->d_inode;
+
@@ -19369,11 +22605,11 @@
+ T(YAFFS_TRACE_OS,
+ (TSTR("yaffs_file_write about to write writing %u(%x) bytes"
+ "to object %d at %d(%x)\n"),
-+ (unsigned) n, (unsigned) n, obj->objectId, ipos,ipos));
++ (unsigned) n, (unsigned) n, obj->obj_id, ipos,ipos));
+
-+ nWritten = yaffs_WriteDataToFile(obj, buf, ipos, n, 0);
++ nWritten = yaffs_wr_file(obj, buf, ipos, n, 0);
+
-+ yaffs_MarkSuperBlockDirty(dev);
++ yaffs_touch_super(dev);
+
+ T(YAFFS_TRACE_OS,
+ (TSTR("yaffs_file_write: %d(%x) bytes written\n"),
@@ -19393,7 +22629,7 @@
+ }
+
+ }
-+ yaffs_GrossUnlock(dev);
++ yaffs_gross_unlock(dev);
+ return (nWritten == 0) && (n > 0) ? -ENOSPC : nWritten;
+}
+
@@ -19403,39 +22639,39 @@
+
+static ssize_t yaffs_hold_space(struct file *f)
+{
-+ yaffs_Object *obj;
-+ yaffs_Device *dev;
++ yaffs_obj_t *obj;
++ yaffs_dev_t *dev;
+
-+ int nFreeChunks;
++ int n_free_chunks;
+
+
-+ obj = yaffs_DentryToObject(f->f_dentry);
++ obj = yaffs_dentry_to_obj(f->f_dentry);
+
-+ dev = obj->myDev;
++ dev = obj->my_dev;
+
-+ yaffs_GrossLock(dev);
++ yaffs_gross_lock(dev);
+
-+ nFreeChunks = yaffs_GetNumberOfFreeChunks(dev);
++ n_free_chunks = yaffs_get_n_free_chunks(dev);
+
-+ yaffs_GrossUnlock(dev);
++ yaffs_gross_unlock(dev);
+
-+ return (nFreeChunks > 20) ? 1 : 0;
++ return (n_free_chunks > 20) ? 1 : 0;
+}
+
+static void yaffs_release_space(struct file *f)
+{
-+ yaffs_Object *obj;
-+ yaffs_Device *dev;
++ yaffs_obj_t *obj;
++ yaffs_dev_t *dev;
+
+
-+ obj = yaffs_DentryToObject(f->f_dentry);
++ obj = yaffs_dentry_to_obj(f->f_dentry);
+
-+ dev = obj->myDev;
++ dev = obj->my_dev;
+
-+ yaffs_GrossLock(dev);
++ yaffs_gross_lock(dev);
+
+
-+ yaffs_GrossUnlock(dev);
++ yaffs_gross_unlock(dev);
+}
+
+
@@ -19467,22 +22703,22 @@
+
+static int yaffs_readdir(struct file *f, void *dirent, filldir_t filldir)
+{
-+ yaffs_Object *obj;
-+ yaffs_Device *dev;
++ yaffs_obj_t *obj;
++ yaffs_dev_t *dev;
+ struct yaffs_SearchContext *sc;
+ struct inode *inode = f->f_dentry->d_inode;
+ unsigned long offset, curoffs;
-+ yaffs_Object *l;
++ yaffs_obj_t *l;
+ int retVal = 0;
+
+ char name[YAFFS_MAX_NAME_LENGTH + 1];
+
-+ obj = yaffs_DentryToObject(f->f_dentry);
-+ dev = obj->myDev;
++ obj = yaffs_dentry_to_obj(f->f_dentry);
++ dev = obj->my_dev;
+
-+ yaffs_GrossLock(dev);
++ yaffs_gross_lock(dev);
+
-+ yaffs_DeviceToLC(dev)->readdirProcess = current;
++ yaffs_dev_to_lc(dev)->readdirProcess = current;
+
+ offset = f->f_pos;
+
@@ -19498,12 +22734,12 @@
+ T(YAFFS_TRACE_OS,
+ (TSTR("yaffs_readdir: entry . ino %d \n"),
+ (int)inode->i_ino));
-+ yaffs_GrossUnlock(dev);
++ yaffs_gross_unlock(dev);
+ if (filldir(dirent, ".", 1, offset, inode->i_ino, DT_DIR) < 0){
-+ yaffs_GrossLock(dev);
++ yaffs_gross_lock(dev);
+ goto out;
+ }
-+ yaffs_GrossLock(dev);
++ yaffs_gross_lock(dev);
+ offset++;
+ f->f_pos++;
+ }
@@ -19511,13 +22747,13 @@
+ T(YAFFS_TRACE_OS,
+ (TSTR("yaffs_readdir: entry .. ino %d \n"),
+ (int)f->f_dentry->d_parent->d_inode->i_ino));
-+ yaffs_GrossUnlock(dev);
++ yaffs_gross_unlock(dev);
+ if (filldir(dirent, "..", 2, offset,
+ f->f_dentry->d_parent->d_inode->i_ino, DT_DIR) < 0){
-+ yaffs_GrossLock(dev);
++ yaffs_gross_lock(dev);
+ goto out;
+ }
-+ yaffs_GrossLock(dev);
++ yaffs_gross_lock(dev);
+ offset++;
+ f->f_pos++;
+ }
@@ -19536,16 +22772,16 @@
+ curoffs++;
+ l = sc->nextReturn;
+ if (curoffs >= offset) {
-+ int this_inode = yaffs_GetObjectInode(l);
-+ int this_type = yaffs_GetObjectType(l);
++ int this_inode = yaffs_get_obj_inode(l);
++ int this_type = yaffs_get_obj_type(l);
+
-+ yaffs_GetObjectName(l, name,
++ yaffs_get_obj_name(l, name,
+ YAFFS_MAX_NAME_LENGTH + 1);
+ T(YAFFS_TRACE_OS,
+ (TSTR("yaffs_readdir: %s inode %d\n"),
-+ name, yaffs_GetObjectInode(l)));
++ name, yaffs_get_obj_inode(l)));
+
-+ yaffs_GrossUnlock(dev);
++ yaffs_gross_unlock(dev);
+
+ if (filldir(dirent,
+ name,
@@ -19553,22 +22789,22 @@
+ offset,
+ this_inode,
+ this_type) < 0){
-+ yaffs_GrossLock(dev);
++ yaffs_gross_lock(dev);
+ goto out;
+ }
+
-+ yaffs_GrossLock(dev);
++ yaffs_gross_lock(dev);
+
+ offset++;
+ f->f_pos++;
+ }
-+ yaffs_SearchAdvance(sc);
++ yaffs_search_advance(sc);
+ }
+
+out:
-+ yaffs_EndSearch(sc);
-+ yaffs_DeviceToLC(dev)->readdirProcess = NULL;
-+ yaffs_GrossUnlock(dev);
++ yaffs_search_end(sc);
++ yaffs_dev_to_lc(dev)->readdirProcess = NULL;
++ yaffs_gross_unlock(dev);
+
+ return retVal;
+}
@@ -19595,10 +22831,10 @@
+{
+ struct inode *inode;
+
-+ yaffs_Object *obj = NULL;
-+ yaffs_Device *dev;
++ yaffs_obj_t *obj = NULL;
++ yaffs_dev_t *dev;
+
-+ yaffs_Object *parent = yaffs_InodeToObject(dir);
++ yaffs_obj_t *parent = yaffs_InodeToObject(dir);
+
+ int error = -ENOSPC;
+ uid_t uid = YCRED(current)->fsuid;
@@ -19610,7 +22846,7 @@
+ if (parent) {
+ T(YAFFS_TRACE_OS,
+ (TSTR("yaffs_mknod: parent object %d type %d\n"),
-+ parent->objectId, parent->variantType));
++ parent->obj_id, parent->variant_type));
+ } else {
+ T(YAFFS_TRACE_OS,
+ (TSTR("yaffs_mknod: could not get parent object\n")));
@@ -19621,31 +22857,31 @@
+ "mode %x dev %x\n"),
+ dentry->d_name.name, mode, rdev));
+
-+ dev = parent->myDev;
++ dev = parent->my_dev;
+
-+ yaffs_GrossLock(dev);
++ yaffs_gross_lock(dev);
+
+ switch (mode & S_IFMT) {
+ default:
+ /* Special (socket, fifo, device...) */
+ T(YAFFS_TRACE_OS, (TSTR("yaffs_mknod: making special\n")));
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
-+ obj = yaffs_MknodSpecial(parent, dentry->d_name.name, mode, uid,
++ obj = yaffs_create_special(parent, dentry->d_name.name, mode, uid,
+ gid, old_encode_dev(rdev));
+#else
-+ obj = yaffs_MknodSpecial(parent, dentry->d_name.name, mode, uid,
++ obj = yaffs_create_special(parent, dentry->d_name.name, mode, uid,
+ gid, rdev);
+#endif
+ break;
+ case S_IFREG: /* file */
+ T(YAFFS_TRACE_OS, (TSTR("yaffs_mknod: making file\n")));
-+ obj = yaffs_MknodFile(parent, dentry->d_name.name, mode, uid,
++ obj = yaffs_create_file(parent, dentry->d_name.name, mode, uid,
+ gid);
+ break;
+ case S_IFDIR: /* directory */
+ T(YAFFS_TRACE_OS,
+ (TSTR("yaffs_mknod: making directory\n")));
-+ obj = yaffs_MknodDirectory(parent, dentry->d_name.name, mode,
++ obj = yaffs_create_dir(parent, dentry->d_name.name, mode,
+ uid, gid);
+ break;
+ case S_IFLNK: /* symlink */
@@ -19655,7 +22891,7 @@
+ }
+
+ /* Can not call yaffs_get_inode() with gross lock held */
-+ yaffs_GrossUnlock(dev);
++ yaffs_gross_unlock(dev);
+
+ if (obj) {
+ inode = yaffs_get_inode(dir->i_sb, mode, rdev, obj);
@@ -19663,9 +22899,9 @@
+ update_dir_time(dir);
+ T(YAFFS_TRACE_OS,
+ (TSTR("yaffs_mknod created object %d count = %d\n"),
-+ obj->objectId, atomic_read(&inode->i_count)));
++ obj->obj_id, atomic_read(&inode->i_count)));
+ error = 0;
-+ yaffs_FillInodeFromObject(dir,parent);
++ yaffs_fill_inode_from_obj(dir,parent);
+ } else {
+ T(YAFFS_TRACE_OS,
+ (TSTR("yaffs_mknod failed making object\n")));
@@ -19698,29 +22934,29 @@
+{
+ int retVal;
+
-+ yaffs_Device *dev;
-+ yaffs_Object *obj;
++ yaffs_dev_t *dev;
++ yaffs_obj_t *obj;
+
+ T(YAFFS_TRACE_OS,
+ (TSTR("yaffs_unlink %d:%s\n"),
+ (int)(dir->i_ino),
+ dentry->d_name.name));
+ obj = yaffs_InodeToObject(dir);
-+ dev = obj->myDev;
++ dev = obj->my_dev;
+
-+ yaffs_GrossLock(dev);
++ yaffs_gross_lock(dev);
+
-+ retVal = yaffs_Unlink(obj, dentry->d_name.name);
++ retVal = yaffs_unlinker(obj, dentry->d_name.name);
+
+ if (retVal == YAFFS_OK) {
+ dentry->d_inode->i_nlink--;
+ dir->i_version++;
-+ yaffs_GrossUnlock(dev);
++ yaffs_gross_unlock(dev);
+ mark_inode_dirty(dentry->d_inode);
+ update_dir_time(dir);
+ return 0;
+ }
-+ yaffs_GrossUnlock(dev);
++ yaffs_gross_unlock(dev);
+ return -ENOTEMPTY;
+}
+
@@ -19731,23 +22967,23 @@
+ struct dentry *dentry)
+{
+ struct inode *inode = old_dentry->d_inode;
-+ yaffs_Object *obj = NULL;
-+ yaffs_Object *link = NULL;
-+ yaffs_Device *dev;
++ yaffs_obj_t *obj = NULL;
++ yaffs_obj_t *link = NULL;
++ yaffs_dev_t *dev;
+
+ T(YAFFS_TRACE_OS, (TSTR("yaffs_link\n")));
+
+ obj = yaffs_InodeToObject(inode);
-+ dev = obj->myDev;
++ dev = obj->my_dev;
+
-+ yaffs_GrossLock(dev);
++ yaffs_gross_lock(dev);
+
+ if (!S_ISDIR(inode->i_mode)) /* Don't link directories */
-+ link = yaffs_Link(yaffs_InodeToObject(dir), dentry->d_name.name,
++ link = yaffs_link_obj(yaffs_InodeToObject(dir), dentry->d_name.name,
+ obj);
+
+ if (link) {
-+ old_dentry->d_inode->i_nlink = yaffs_GetObjectLinkCount(obj);
++ old_dentry->d_inode->i_nlink = yaffs_get_obj_link_count(obj);
+ d_instantiate(dentry, old_dentry->d_inode);
+ atomic_inc(&old_dentry->d_inode->i_count);
+ T(YAFFS_TRACE_OS,
@@ -19756,7 +22992,7 @@
+ atomic_read(&old_dentry->d_inode->i_count)));
+ }
+
-+ yaffs_GrossUnlock(dev);
++ yaffs_gross_unlock(dev);
+
+ if (link){
+ update_dir_time(dir);
@@ -19769,18 +23005,18 @@
+static int yaffs_symlink(struct inode *dir, struct dentry *dentry,
+ const char *symname)
+{
-+ yaffs_Object *obj;
-+ yaffs_Device *dev;
++ yaffs_obj_t *obj;
++ yaffs_dev_t *dev;
+ uid_t uid = YCRED(current)->fsuid;
+ gid_t gid = (dir->i_mode & S_ISGID) ? dir->i_gid : YCRED(current)->fsgid;
+
+ T(YAFFS_TRACE_OS, (TSTR("yaffs_symlink\n")));
+
-+ dev = yaffs_InodeToObject(dir)->myDev;
-+ yaffs_GrossLock(dev);
-+ obj = yaffs_MknodSymLink(yaffs_InodeToObject(dir), dentry->d_name.name,
++ dev = yaffs_InodeToObject(dir)->my_dev;
++ yaffs_gross_lock(dev);
++ obj = yaffs_create_symlink(yaffs_InodeToObject(dir), dentry->d_name.name,
+ S_IFLNK | S_IRWXUGO, uid, gid, symname);
-+ yaffs_GrossUnlock(dev);
++ yaffs_gross_unlock(dev);
+
+ if (obj) {
+ struct inode *inode;
@@ -19805,21 +23041,21 @@
+#endif
+{
+
-+ yaffs_Object *obj;
-+ yaffs_Device *dev;
++ yaffs_obj_t *obj;
++ yaffs_dev_t *dev;
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 34))
+ struct dentry *dentry = file->f_path.dentry;
+#endif
+
-+ obj = yaffs_DentryToObject(dentry);
++ obj = yaffs_dentry_to_obj(dentry);
+
-+ dev = obj->myDev;
++ dev = obj->my_dev;
+
+ T(YAFFS_TRACE_OS | YAFFS_TRACE_SYNC,
+ (TSTR("yaffs_sync_object\n")));
-+ yaffs_GrossLock(dev);
-+ yaffs_FlushFile(obj, 1, datasync);
-+ yaffs_GrossUnlock(dev);
++ yaffs_gross_lock(dev);
++ yaffs_flush_file(obj, 1, datasync);
++ yaffs_gross_unlock(dev);
+ return 0;
+}
+
@@ -19831,37 +23067,37 @@
+static int yaffs_rename(struct inode *old_dir, struct dentry *old_dentry,
+ struct inode *new_dir, struct dentry *new_dentry)
+{
-+ yaffs_Device *dev;
++ yaffs_dev_t *dev;
+ int retVal = YAFFS_FAIL;
-+ yaffs_Object *target;
++ yaffs_obj_t *target;
+
+ T(YAFFS_TRACE_OS, (TSTR("yaffs_rename\n")));
-+ dev = yaffs_InodeToObject(old_dir)->myDev;
++ dev = yaffs_InodeToObject(old_dir)->my_dev;
+
-+ yaffs_GrossLock(dev);
++ yaffs_gross_lock(dev);
+
+ /* Check if the target is an existing directory that is not empty. */
-+ target = yaffs_FindObjectByName(yaffs_InodeToObject(new_dir),
++ target = yaffs_find_by_name(yaffs_InodeToObject(new_dir),
+ new_dentry->d_name.name);
+
+
+
-+ if (target && target->variantType == YAFFS_OBJECT_TYPE_DIRECTORY &&
-+ !ylist_empty(&target->variant.directoryVariant.children)) {
++ if (target && target->variant_type == YAFFS_OBJECT_TYPE_DIRECTORY &&
++ !ylist_empty(&target->variant.dir_variant.children)) {
+
+ T(YAFFS_TRACE_OS, (TSTR("target is non-empty dir\n")));
+
+ retVal = YAFFS_FAIL;
+ } else {
+ /* Now does unlinking internally using shadowing mechanism */
-+ T(YAFFS_TRACE_OS, (TSTR("calling yaffs_RenameObject\n")));
++ T(YAFFS_TRACE_OS, (TSTR("calling yaffs_rename_obj\n")));
+
-+ retVal = yaffs_RenameObject(yaffs_InodeToObject(old_dir),
++ retVal = yaffs_rename_obj(yaffs_InodeToObject(old_dir),
+ old_dentry->d_name.name,
+ yaffs_InodeToObject(new_dir),
+ new_dentry->d_name.name);
+ }
-+ yaffs_GrossUnlock(dev);
++ yaffs_gross_unlock(dev);
+
+ if (retVal == YAFFS_OK) {
+ if (target) {
@@ -19882,11 +23118,11 @@
+{
+ struct inode *inode = dentry->d_inode;
+ int error = 0;
-+ yaffs_Device *dev;
++ yaffs_dev_t *dev;
+
+ T(YAFFS_TRACE_OS,
+ (TSTR("yaffs_setattr of object %d\n"),
-+ yaffs_InodeToObject(inode)->objectId));
++ yaffs_InodeToObject(inode)->obj_id));
+
+ /* Fail if a requested resize >= 2GB */
+ if (attr->ia_valid & ATTR_SIZE &&
@@ -19905,19 +23141,19 @@
+ inode->i_blocks = (inode->i_size + 511) >> 9;
+ }
+ }
-+ dev = yaffs_InodeToObject(inode)->myDev;
++ dev = yaffs_InodeToObject(inode)->my_dev;
+ if (attr->ia_valid & ATTR_SIZE){
+ T(YAFFS_TRACE_OS,(TSTR("resize to %d(%x)\n"),
+ (int)(attr->ia_size),(int)(attr->ia_size)));
+ }
-+ yaffs_GrossLock(dev);
-+ result = yaffs_SetAttributes(yaffs_InodeToObject(inode), attr);
++ yaffs_gross_lock(dev);
++ result = yaffs_set_attribs(yaffs_InodeToObject(inode), attr);
+ if(result == YAFFS_OK) {
+ error = 0;
+ } else {
+ error = -EPERM;
+ }
-+ yaffs_GrossUnlock(dev);
++ yaffs_gross_unlock(dev);
+
+ }
+
@@ -19933,24 +23169,24 @@
+{
+ struct inode *inode = dentry->d_inode;
+ int error = 0;
-+ yaffs_Device *dev;
-+ yaffs_Object *obj = yaffs_InodeToObject(inode);
++ yaffs_dev_t *dev;
++ yaffs_obj_t *obj = yaffs_InodeToObject(inode);
+
+ T(YAFFS_TRACE_OS,
+ (TSTR("yaffs_setxattr of object %d\n"),
-+ obj->objectId));
++ obj->obj_id));
+
+
+ if (error == 0) {
+ int result;
-+ dev = obj->myDev;
-+ yaffs_GrossLock(dev);
-+ result = yaffs_SetXAttribute(obj, name, value, size, flags);
++ dev = obj->my_dev;
++ yaffs_gross_lock(dev);
++ result = yaffs_set_xattrib(obj, name, value, size, flags);
+ if(result == YAFFS_OK)
+ error = 0;
+ else if(result < 0)
+ error = result;
-+ yaffs_GrossUnlock(dev);
++ yaffs_gross_unlock(dev);
+
+ }
+ T(YAFFS_TRACE_OS,
@@ -19965,18 +23201,18 @@
+{
+ struct inode *inode = dentry->d_inode;
+ int error = 0;
-+ yaffs_Device *dev;
-+ yaffs_Object *obj = yaffs_InodeToObject(inode);
++ yaffs_dev_t *dev;
++ yaffs_obj_t *obj = yaffs_InodeToObject(inode);
+
+ T(YAFFS_TRACE_OS,
+ (TSTR("yaffs_getxattr \"%s\" from object %d\n"),
-+ name, obj->objectId));
++ name, obj->obj_id));
+
+ if (error == 0) {
-+ dev = obj->myDev;
-+ yaffs_GrossLock(dev);
-+ error = yaffs_GetXAttribute(obj, name, buff, size);
-+ yaffs_GrossUnlock(dev);
++ dev = obj->my_dev;
++ yaffs_gross_lock(dev);
++ error = yaffs_get_xattrib(obj, name, buff, size);
++ yaffs_gross_unlock(dev);
+
+ }
+ T(YAFFS_TRACE_OS,
@@ -19989,24 +23225,24 @@
+{
+ struct inode *inode = dentry->d_inode;
+ int error = 0;
-+ yaffs_Device *dev;
-+ yaffs_Object *obj = yaffs_InodeToObject(inode);
++ yaffs_dev_t *dev;
++ yaffs_obj_t *obj = yaffs_InodeToObject(inode);
+
+ T(YAFFS_TRACE_OS,
+ (TSTR("yaffs_removexattr of object %d\n"),
-+ obj->objectId));
++ obj->obj_id));
+
+
+ if (error == 0) {
+ int result;
-+ dev = obj->myDev;
-+ yaffs_GrossLock(dev);
-+ result = yaffs_RemoveXAttribute(obj, name);
++ dev = obj->my_dev;
++ yaffs_gross_lock(dev);
++ result = yaffs_remove_xattrib(obj, name);
+ if(result == YAFFS_OK)
+ error = 0;
+ else if(result < 0)
+ error = result;
-+ yaffs_GrossUnlock(dev);
++ yaffs_gross_unlock(dev);
+
+ }
+ T(YAFFS_TRACE_OS,
@@ -20019,19 +23255,19 @@
+{
+ struct inode *inode = dentry->d_inode;
+ int error = 0;
-+ yaffs_Device *dev;
-+ yaffs_Object *obj = yaffs_InodeToObject(inode);
++ yaffs_dev_t *dev;
++ yaffs_obj_t *obj = yaffs_InodeToObject(inode);
+
+ T(YAFFS_TRACE_OS,
+ (TSTR("yaffs_listxattr of object %d\n"),
-+ obj->objectId));
++ obj->obj_id));
+
+
+ if (error == 0) {
-+ dev = obj->myDev;
-+ yaffs_GrossLock(dev);
-+ error = yaffs_ListXAttributes(obj, buff, size);
-+ yaffs_GrossUnlock(dev);
++ dev = obj->my_dev;
++ yaffs_gross_lock(dev);
++ error = yaffs_list_xattrib(obj, buff, size);
++ yaffs_gross_unlock(dev);
+
+ }
+ T(YAFFS_TRACE_OS,
@@ -20046,121 +23282,121 @@
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
+static int yaffs_statfs(struct dentry *dentry, struct kstatfs *buf)
+{
-+ yaffs_Device *dev = yaffs_DentryToObject(dentry)->myDev;
++ yaffs_dev_t *dev = yaffs_dentry_to_obj(dentry)->my_dev;
+ struct super_block *sb = dentry->d_sb;
+#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
+static int yaffs_statfs(struct super_block *sb, struct kstatfs *buf)
+{
-+ yaffs_Device *dev = yaffs_SuperToDevice(sb);
++ yaffs_dev_t *dev = yaffs_SuperToDevice(sb);
+#else
+static int yaffs_statfs(struct super_block *sb, struct statfs *buf)
+{
-+ yaffs_Device *dev = yaffs_SuperToDevice(sb);
++ yaffs_dev_t *dev = yaffs_SuperToDevice(sb);
+#endif
+
+ T(YAFFS_TRACE_OS, (TSTR("yaffs_statfs\n")));
+
-+ yaffs_GrossLock(dev);
++ yaffs_gross_lock(dev);
+
+ buf->f_type = YAFFS_MAGIC;
+ buf->f_bsize = sb->s_blocksize;
+ buf->f_namelen = 255;
+
-+ if (dev->nDataBytesPerChunk & (dev->nDataBytesPerChunk - 1)) {
++ if (dev->data_bytes_per_chunk & (dev->data_bytes_per_chunk - 1)) {
+ /* Do this if chunk size is not a power of 2 */
+
+ uint64_t bytesInDev;
+ uint64_t bytesFree;
+
-+ bytesInDev = ((uint64_t)((dev->param.endBlock - dev->param.startBlock + 1))) *
-+ ((uint64_t)(dev->param.nChunksPerBlock * dev->nDataBytesPerChunk));
++ bytesInDev = ((uint64_t)((dev->param.end_block - dev->param.start_block + 1))) *
++ ((uint64_t)(dev->param.chunks_per_block * dev->data_bytes_per_chunk));
+
+ do_div(bytesInDev, sb->s_blocksize); /* bytesInDev becomes the number of blocks */
+ buf->f_blocks = bytesInDev;
+
-+ bytesFree = ((uint64_t)(yaffs_GetNumberOfFreeChunks(dev))) *
-+ ((uint64_t)(dev->nDataBytesPerChunk));
++ bytesFree = ((uint64_t)(yaffs_get_n_free_chunks(dev))) *
++ ((uint64_t)(dev->data_bytes_per_chunk));
+
+ do_div(bytesFree, sb->s_blocksize);
+
+ buf->f_bfree = bytesFree;
+
-+ } else if (sb->s_blocksize > dev->nDataBytesPerChunk) {
++ } else if (sb->s_blocksize > dev->data_bytes_per_chunk) {
+
+ buf->f_blocks =
-+ (dev->param.endBlock - dev->param.startBlock + 1) *
-+ dev->param.nChunksPerBlock /
-+ (sb->s_blocksize / dev->nDataBytesPerChunk);
++ (dev->param.end_block - dev->param.start_block + 1) *
++ dev->param.chunks_per_block /
++ (sb->s_blocksize / dev->data_bytes_per_chunk);
+ buf->f_bfree =
-+ yaffs_GetNumberOfFreeChunks(dev) /
-+ (sb->s_blocksize / dev->nDataBytesPerChunk);
++ yaffs_get_n_free_chunks(dev) /
++ (sb->s_blocksize / dev->data_bytes_per_chunk);
+ } else {
+ buf->f_blocks =
-+ (dev->param.endBlock - dev->param.startBlock + 1) *
-+ dev->param.nChunksPerBlock *
-+ (dev->nDataBytesPerChunk / sb->s_blocksize);
++ (dev->param.end_block - dev->param.start_block + 1) *
++ dev->param.chunks_per_block *
++ (dev->data_bytes_per_chunk / sb->s_blocksize);
+
+ buf->f_bfree =
-+ yaffs_GetNumberOfFreeChunks(dev) *
-+ (dev->nDataBytesPerChunk / sb->s_blocksize);
++ yaffs_get_n_free_chunks(dev) *
++ (dev->data_bytes_per_chunk / sb->s_blocksize);
+ }
+
+ buf->f_files = 0;
+ buf->f_ffree = 0;
+ buf->f_bavail = buf->f_bfree;
+
-+ yaffs_GrossUnlock(dev);
++ yaffs_gross_unlock(dev);
+ return 0;
+}
+
+
+
-+static void yaffs_FlushInodes(struct super_block *sb)
++static void yaffs_flush_inodes(struct super_block *sb)
+{
+ struct inode *iptr;
-+ yaffs_Object *obj;
++ yaffs_obj_t *obj;
+
+ list_for_each_entry(iptr,&sb->s_inodes, i_sb_list){
+ obj = yaffs_InodeToObject(iptr);
+ if(obj){
+ T(YAFFS_TRACE_OS, (TSTR("flushing obj %d\n"),
-+ obj->objectId));
-+ yaffs_FlushFile(obj,1,0);
++ obj->obj_id));
++ yaffs_flush_file(obj,1,0);
+ }
+ }
+}
+
+
-+static void yaffs_FlushSuperBlock(struct super_block *sb, int do_checkpoint)
++static void yaffs_flush_super(struct super_block *sb, int do_checkpoint)
+{
-+ yaffs_Device *dev = yaffs_SuperToDevice(sb);
++ yaffs_dev_t *dev = yaffs_SuperToDevice(sb);
+ if(!dev)
+ return;
+
-+ yaffs_FlushInodes(sb);
-+ yaffs_UpdateDirtyDirectories(dev);
-+ yaffs_FlushEntireDeviceCache(dev);
++ yaffs_flush_inodes(sb);
++ yaffs_update_dirty_dirs(dev);
++ yaffs_flush_whole_cache(dev);
+ if(do_checkpoint)
-+ yaffs_CheckpointSave(dev);
++ yaffs_checkpoint_save(dev);
+}
+
+
-+static unsigned yaffs_bg_gc_urgency(yaffs_Device *dev)
++static unsigned yaffs_bg_gc_urgency(yaffs_dev_t *dev)
+{
-+ unsigned erasedChunks = dev->nErasedBlocks * dev->param.nChunksPerBlock;
-+ struct yaffs_LinuxContext *context = yaffs_DeviceToLC(dev);
++ unsigned erasedChunks = dev->n_erased_blocks * dev->param.chunks_per_block;
++ struct yaffs_LinuxContext *context = yaffs_dev_to_lc(dev);
+ unsigned scatteredFree = 0; /* Free chunks not in an erased block */
+
-+ if(erasedChunks < dev->nFreeChunks)
-+ scatteredFree = (dev->nFreeChunks - erasedChunks);
++ if(erasedChunks < dev->n_free_chunks)
++ scatteredFree = (dev->n_free_chunks - erasedChunks);
+
+ if(!context->bgRunning)
+ return 0;
-+ else if(scatteredFree < (dev->param.nChunksPerBlock * 2))
++ else if(scatteredFree < (dev->param.chunks_per_block * 2))
+ return 0;
-+ else if(erasedChunks > dev->nFreeChunks/2)
++ else if(erasedChunks > dev->n_free_chunks/2)
+ return 0;
-+ else if(erasedChunks > dev->nFreeChunks/4)
++ else if(erasedChunks > dev->n_free_chunks/4)
+ return 1;
+ else
+ return 2;
@@ -20170,7 +23406,7 @@
+ int request_checkpoint)
+{
+
-+ yaffs_Device *dev = yaffs_SuperToDevice(sb);
++ yaffs_dev_t *dev = yaffs_SuperToDevice(sb);
+ unsigned int oneshot_checkpoint = (yaffs_auto_checkpoint & 4);
+ unsigned gc_urgent = yaffs_bg_gc_urgency(dev);
+ int do_checkpoint;
@@ -20182,27 +23418,27 @@
+ request_checkpoint ? "checkpoint requested" : "no checkpoint",
+ oneshot_checkpoint ? " one-shot" : "" ));
+
-+ yaffs_GrossLock(dev);
++ yaffs_gross_lock(dev);
+ do_checkpoint = ((request_checkpoint && !gc_urgent) ||
+ oneshot_checkpoint) &&
-+ !dev->isCheckpointed;
++ !dev->is_checkpointed;
+
+ if (sb->s_dirt || do_checkpoint) {
-+ yaffs_FlushSuperBlock(sb, !dev->isCheckpointed && do_checkpoint);
++ yaffs_flush_super(sb, !dev->is_checkpointed && do_checkpoint);
+ sb->s_dirt = 0;
+ if(oneshot_checkpoint)
+ yaffs_auto_checkpoint &= ~4;
+ }
-+ yaffs_GrossUnlock(dev);
++ yaffs_gross_unlock(dev);
+
+ return 0;
+}
+
+/*
+ * yaffs background thread functions .
-+ * yaffs_BackgroundThread() the thread function
-+ * yaffs_BackgroundStart() launches the background thread.
-+ * yaffs_BackgroundStop() cleans up the background thread.
++ * yaffs_bg_thread_fn() the thread function
++ * yaffs_bg_start() launches the background thread.
++ * yaffs_bg_stop() cleans up the background thread.
+ *
+ * NB:
+ * The thread should only run after the yaffs is initialised
@@ -20217,10 +23453,10 @@
+ wake_up_process((struct task_struct *)data);
+}
+
-+static int yaffs_BackgroundThread(void *data)
++static int yaffs_bg_thread_fn(void *data)
+{
-+ yaffs_Device *dev = (yaffs_Device *)data;
-+ struct yaffs_LinuxContext *context = yaffs_DeviceToLC(dev);
++ yaffs_dev_t *dev = (yaffs_dev_t *)data;
++ struct yaffs_LinuxContext *context = yaffs_dev_to_lc(dev);
+ unsigned long now = jiffies;
+ unsigned long next_dir_update = now;
+ unsigned long next_gc = now;
@@ -20248,19 +23484,19 @@
+ if(try_to_freeze())
+ continue;
+#endif
-+ yaffs_GrossLock(dev);
++ yaffs_gross_lock(dev);
+
+ now = jiffies;
+
+ if(time_after(now, next_dir_update) && yaffs_bg_enable){
-+ yaffs_UpdateDirtyDirectories(dev);
++ yaffs_update_dirty_dirs(dev);
+ next_dir_update = now + HZ;
+ }
+
+ if(time_after(now,next_gc) && yaffs_bg_enable){
-+ if(!dev->isCheckpointed){
++ if(!dev->is_checkpointed){
+ urgency = yaffs_bg_gc_urgency(dev);
-+ gcResult = yaffs_BackgroundGarbageCollect(dev, urgency);
++ gcResult = yaffs_bg_gc(dev, urgency);
+ if(urgency > 1)
+ next_gc = now + HZ/20+1;
+ else if(urgency > 0)
@@ -20273,7 +23509,7 @@
+ */
+ next_gc = next_dir_update;
+ }
-+ yaffs_GrossUnlock(dev);
++ yaffs_gross_unlock(dev);
+#if 1
+ expires = next_dir_update;
+ if (time_before(next_gc,expires))
@@ -20298,17 +23534,17 @@
+ return 0;
+}
+
-+static int yaffs_BackgroundStart(yaffs_Device *dev)
++static int yaffs_bg_start(yaffs_dev_t *dev)
+{
+ int retval = 0;
-+ struct yaffs_LinuxContext *context = yaffs_DeviceToLC(dev);
++ struct yaffs_LinuxContext *context = yaffs_dev_to_lc(dev);
+
-+ if(dev->readOnly)
++ if(dev->read_only)
+ return -1;
+
+ context->bgRunning = 1;
+
-+ context->bgThread = kthread_run(yaffs_BackgroundThread,
++ context->bgThread = kthread_run(yaffs_bg_thread_fn,
+ (void *)dev,"yaffs-bg-%d",context->mount_id);
+
+ if(IS_ERR(context->bgThread)){
@@ -20319,9 +23555,9 @@
+ return retval;
+}
+
-+static void yaffs_BackgroundStop(yaffs_Device *dev)
++static void yaffs_bg_stop(yaffs_dev_t *dev)
+{
-+ struct yaffs_LinuxContext *ctxt = yaffs_DeviceToLC(dev);
++ struct yaffs_LinuxContext *ctxt = yaffs_dev_to_lc(dev);
+
+ ctxt->bgRunning = 0;
+
@@ -20331,17 +23567,17 @@
+ }
+}
+#else
-+static int yaffs_BackgroundThread(void *data)
++static int yaffs_bg_thread_fn(void *data)
+{
+ return 0;
+}
+
-+static int yaffs_BackgroundStart(yaffs_Device *dev)
++static int yaffs_bg_start(yaffs_dev_t *dev)
+{
+ return 0;
+}
+
-+static void yaffs_BackgroundStop(yaffs_Device *dev)
++static void yaffs_bg_stop(yaffs_dev_t *dev)
+{
+}
+#endif
@@ -20389,8 +23625,8 @@
+static struct inode *yaffs_iget(struct super_block *sb, unsigned long ino)
+{
+ struct inode *inode;
-+ yaffs_Object *obj;
-+ yaffs_Device *dev = yaffs_SuperToDevice(sb);
++ yaffs_obj_t *obj;
++ yaffs_dev_t *dev = yaffs_SuperToDevice(sb);
+
+ T(YAFFS_TRACE_OS,
+ (TSTR("yaffs_iget for %lu\n"), ino));
@@ -20406,13 +23642,13 @@
+ * need to lock again.
+ */
+
-+ yaffs_GrossLock(dev);
++ yaffs_gross_lock(dev);
+
-+ obj = yaffs_FindObjectByNumber(dev, inode->i_ino);
++ obj = yaffs_find_by_number(dev, inode->i_ino);
+
-+ yaffs_FillInodeFromObject(inode, obj);
++ yaffs_fill_inode_from_obj(inode, obj);
+
-+ yaffs_GrossUnlock(dev);
++ yaffs_gross_unlock(dev);
+
+ unlock_new_inode(inode);
+ return inode;
@@ -20427,21 +23663,21 @@
+ * need to lock again.
+ */
+
-+ yaffs_Object *obj;
-+ yaffs_Device *dev = yaffs_SuperToDevice(inode->i_sb);
++ yaffs_obj_t *obj;
++ yaffs_dev_t *dev = yaffs_SuperToDevice(inode->i_sb);
+
+ T(YAFFS_TRACE_OS,
+ (TSTR("yaffs_read_inode for %d\n"), (int)inode->i_ino));
+
-+ if(current != yaffs_DeviceToLC(dev)->readdirProcess)
-+ yaffs_GrossLock(dev);
++ if(current != yaffs_dev_to_lc(dev)->readdirProcess)
++ yaffs_gross_lock(dev);
+
-+ obj = yaffs_FindObjectByNumber(dev, inode->i_ino);
++ obj = yaffs_find_by_number(dev, inode->i_ino);
+
-+ yaffs_FillInodeFromObject(inode, obj);
++ yaffs_fill_inode_from_obj(inode, obj);
+
-+ if(current != yaffs_DeviceToLC(dev)->readdirProcess)
-+ yaffs_GrossUnlock(dev);
++ if(current != yaffs_dev_to_lc(dev)->readdirProcess)
++ yaffs_gross_unlock(dev);
+}
+
+#endif
@@ -20451,35 +23687,35 @@
+
+static void yaffs_put_super(struct super_block *sb)
+{
-+ yaffs_Device *dev = yaffs_SuperToDevice(sb);
++ yaffs_dev_t *dev = yaffs_SuperToDevice(sb);
+
+ T(YAFFS_TRACE_OS, (TSTR("yaffs_put_super\n")));
+
+ T(YAFFS_TRACE_OS | YAFFS_TRACE_BACKGROUND,
+ (TSTR("Shutting down yaffs background thread\n")));
-+ yaffs_BackgroundStop(dev);
++ yaffs_bg_stop(dev);
+ T(YAFFS_TRACE_OS | YAFFS_TRACE_BACKGROUND,
+ (TSTR("yaffs background thread shut down\n")));
+
-+ yaffs_GrossLock(dev);
++ yaffs_gross_lock(dev);
+
-+ yaffs_FlushSuperBlock(sb,1);
++ yaffs_flush_super(sb,1);
+
-+ if (yaffs_DeviceToLC(dev)->putSuperFunc)
-+ yaffs_DeviceToLC(dev)->putSuperFunc(sb);
++ if (yaffs_dev_to_lc(dev)->putSuperFunc)
++ yaffs_dev_to_lc(dev)->putSuperFunc(sb);
+
+
-+ yaffs_Deinitialise(dev);
++ yaffs_deinitialise(dev);
+
-+ yaffs_GrossUnlock(dev);
++ yaffs_gross_unlock(dev);
+
+ down(&yaffs_context_lock);
-+ ylist_del_init(&(yaffs_DeviceToLC(dev)->contextList));
++ ylist_del_init(&(yaffs_dev_to_lc(dev)->contextList));
+ up(&yaffs_context_lock);
+
-+ if (yaffs_DeviceToLC(dev)->spareBuffer) {
-+ YFREE(yaffs_DeviceToLC(dev)->spareBuffer);
-+ yaffs_DeviceToLC(dev)->spareBuffer = NULL;
++ if (yaffs_dev_to_lc(dev)->spareBuffer) {
++ YFREE(yaffs_dev_to_lc(dev)->spareBuffer);
++ yaffs_dev_to_lc(dev)->spareBuffer = NULL;
+ }
+
+ kfree(dev);
@@ -20488,7 +23724,7 @@
+
+static void yaffs_MTDPutSuper(struct super_block *sb)
+{
-+ struct mtd_info *mtd = yaffs_DeviceToMtd(yaffs_SuperToDevice(sb));
++ struct mtd_info *mtd = yaffs_dev_to_mtd(yaffs_SuperToDevice(sb));
+
+ if (mtd->sync)
+ mtd->sync(mtd);
@@ -20497,11 +23733,11 @@
+}
+
+
-+static void yaffs_MarkSuperBlockDirty(yaffs_Device *dev)
++static void yaffs_touch_super(yaffs_dev_t *dev)
+{
-+ struct super_block *sb = yaffs_DeviceToLC(dev)->superBlock;
++ struct super_block *sb = yaffs_dev_to_lc(dev)->superBlock;
+
-+ T(YAFFS_TRACE_OS, (TSTR("yaffs_MarkSuperBlockDirty() sb = %p\n"), sb));
++ T(YAFFS_TRACE_OS, (TSTR("yaffs_touch_super() sb = %p\n"), sb));
+ if (sb)
+ sb->s_dirt = 1;
+}
@@ -20582,22 +23818,22 @@
+ return error;
+}
+
-+static struct super_block *yaffs_internal_read_super(int yaffsVersion,
++static struct super_block *yaffs_internal_read_super(int yaffs_version,
+ struct super_block *sb,
+ void *data, int silent)
+{
+ int nBlocks;
+ struct inode *inode = NULL;
+ struct dentry *root;
-+ yaffs_Device *dev = 0;
++ yaffs_dev_t *dev = 0;
+ char devname_buf[BDEVNAME_SIZE + 1];
+ struct mtd_info *mtd;
+ int err;
+ char *data_str = (char *)data;
+ struct yaffs_LinuxContext *context = NULL;
-+ yaffs_DeviceParam *param;
++ yaffs_param_t *param;
+
-+ int readOnly = 0;
++ int read_only = 0;
+
+ yaffs_options options;
+
@@ -20610,7 +23846,7 @@
+ sb->s_op = &yaffs_super_ops;
+ sb->s_flags |= MS_NOATIME;
+
-+ readOnly =((sb->s_flags & MS_RDONLY) != 0);
++ read_only =((sb->s_flags & MS_RDONLY) != 0);
+
+
+#ifdef YAFFS_COMPILE_EXPORTFS
@@ -20627,7 +23863,7 @@
+ printk(KERN_INFO "yaffs: dev is %d name is \"%s\" %s\n",
+ sb->s_dev,
+ yaffs_devname(sb, devname_buf),
-+ readOnly ? "ro" : "rw");
++ read_only ? "ro" : "rw");
+
+ if (!data_str)
+ data_str = "";
@@ -20646,7 +23882,7 @@
+ sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
+
+ T(YAFFS_TRACE_OS,
-+ (TSTR("yaffs_read_super: Using yaffs%d\n"), yaffsVersion));
++ (TSTR("yaffs_read_super: Using yaffs%d\n"), yaffs_version));
+ T(YAFFS_TRACE_OS,
+ (TSTR("yaffs_read_super: block size %d\n"),
+ (int)(sb->s_blocksize)));
@@ -20694,22 +23930,22 @@
+
+#ifdef CONFIG_YAFFS_AUTO_YAFFS2
+
-+ if (yaffsVersion == 1 && WRITE_SIZE(mtd) >= 2048) {
++ if (yaffs_version == 1 && WRITE_SIZE(mtd) >= 2048) {
+ T(YAFFS_TRACE_ALWAYS,
+ (TSTR("yaffs: auto selecting yaffs2\n")));
-+ yaffsVersion = 2;
++ yaffs_version = 2;
+ }
+
+ /* Added NCB 26/5/2006 for completeness */
-+ if (yaffsVersion == 2 && !options.inband_tags && WRITE_SIZE(mtd) == 512) {
++ if (yaffs_version == 2 && !options.inband_tags && WRITE_SIZE(mtd) == 512) {
+ T(YAFFS_TRACE_ALWAYS,
+ (TSTR("yaffs: auto selecting yaffs1\n")));
-+ yaffsVersion = 1;
++ yaffs_version = 1;
+ }
+
+#endif
+
-+ if (yaffsVersion == 2) {
++ if (yaffs_version == 2) {
+ /* Check for version 2 style functions */
+ if (!mtd->erase ||
+ !mtd->block_isbad ||
@@ -20764,16 +24000,16 @@
+
+ /* OK, so if we got here, we have an MTD that's NAND and looks
+ * like it has the right capabilities
-+ * Set the yaffs_Device up for mtd
++ * Set the yaffs_dev_t up for mtd
+ */
+
-+ if (!readOnly && !(mtd->flags & MTD_WRITEABLE)){
-+ readOnly = 1;
++ if (!read_only && !(mtd->flags & MTD_WRITEABLE)){
++ read_only = 1;
+ printk(KERN_INFO "yaffs: mtd is read only, setting superblock read only");
+ sb->s_flags |= MS_RDONLY;
+ }
+
-+ dev = kmalloc(sizeof(yaffs_Device), GFP_KERNEL);
++ dev = kmalloc(sizeof(yaffs_dev_t), GFP_KERNEL);
+ context = kmalloc(sizeof(struct yaffs_LinuxContext),GFP_KERNEL);
+
+ if(!dev || !context ){
@@ -20789,19 +24025,19 @@
+ /* Deep shit could not allocate device structure */
+ T(YAFFS_TRACE_ALWAYS,
+ (TSTR("yaffs_read_super: Failed trying to allocate "
-+ "yaffs_Device. \n")));
++ "yaffs_dev_t. \n")));
+ return NULL;
+ }
-+ memset(dev, 0, sizeof(yaffs_Device));
++ memset(dev, 0, sizeof(yaffs_dev_t));
+ param = &(dev->param);
+
+ memset(context,0,sizeof(struct yaffs_LinuxContext));
-+ dev->osContext = context;
++ dev->os_context = context;
+ YINIT_LIST_HEAD(&(context->contextList));
+ context->dev = dev;
+ context->superBlock = sb;
+
-+ dev->readOnly = readOnly;
++ dev->read_only = read_only;
+
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
+ sb->s_fs_info = dev;
@@ -20809,117 +24045,117 @@
+ sb->u.generic_sbp = dev;
+#endif
+
-+ dev->driverContext = mtd;
++ dev->driver_context = mtd;
+ param->name = mtd->name;
+
+ /* Set up the memory size parameters.... */
+
+ nBlocks = YCALCBLOCKS(mtd->size, (YAFFS_CHUNKS_PER_BLOCK * YAFFS_BYTES_PER_CHUNK));
+
-+ param->startBlock = 0;
-+ param->endBlock = nBlocks - 1;
-+ param->nChunksPerBlock = YAFFS_CHUNKS_PER_BLOCK;
-+ param->totalBytesPerChunk = YAFFS_BYTES_PER_CHUNK;
-+ param->nReservedBlocks = 5;
-+ param->nShortOpCaches = (options.no_cache) ? 0 : 10;
-+ param->inbandTags = options.inband_tags;
++ param->start_block = 0;
++ param->end_block = nBlocks - 1;
++ param->chunks_per_block = YAFFS_CHUNKS_PER_BLOCK;
++ param->total_bytes_per_chunk = YAFFS_BYTES_PER_CHUNK;
++ param->n_reserved_blocks = 5;
++ param->n_caches = (options.no_cache) ? 0 : 10;
++ param->inband_tags = options.inband_tags;
+
+#ifdef CONFIG_YAFFS_DISABLE_LAZY_LOAD
-+ param->disableLazyLoad = 1;
++ param->disable_lazy_load = 1;
+#endif
+#ifdef CONFIG_YAFFS_XATTR
-+ param->enableXattr = 1;
++ param->enable_xattr = 1;
+#endif
+ if(options.lazy_loading_overridden)
-+ param->disableLazyLoad = !options.lazy_loading_enabled;
++ param->disable_lazy_load = !options.lazy_loading_enabled;
+
+#ifdef CONFIG_YAFFS_DISABLE_TAGS_ECC
-+ param->noTagsECC = 1;
++ param->no_tags_ecc = 1;
+#endif
+
+#ifdef CONFIG_YAFFS_DISABLE_BACKGROUND
+#else
-+ param->deferDirectoryUpdate = 1;
++ param->defered_dir_update = 1;
+#endif
+
+ if(options.tags_ecc_overridden)
-+ param->noTagsECC = !options.tags_ecc_on;
++ param->no_tags_ecc = !options.tags_ecc_on;
+
+#ifdef CONFIG_YAFFS_EMPTY_LOST_AND_FOUND
-+ param->emptyLostAndFound = 1;
++ param->empty_lost_n_found = 1;
+#endif
+
+#ifdef CONFIG_YAFFS_DISABLE_BLOCK_REFRESHING
-+ param->refreshPeriod = 0;
++ param->refresh_period = 0;
+#else
-+ param->refreshPeriod = 500;
++ param->refresh_period = 500;
+#endif
+
+#ifdef CONFIG_YAFFS__ALWAYS_CHECK_CHUNK_ERASED
-+ param->alwaysCheckErased = 1;
++ param->always_check_erased = 1;
+#endif
+
+ if(options.empty_lost_and_found_overridden)
-+ param->emptyLostAndFound = options.empty_lost_and_found;
++ param->empty_lost_n_found = options.empty_lost_and_found;
+
+ /* ... and the functions. */
-+ if (yaffsVersion == 2) {
-+ param->writeChunkWithTagsToNAND =
++ if (yaffs_version == 2) {
++ param->write_chunk_tags_fn =
+ nandmtd2_WriteChunkWithTagsToNAND;
-+ param->readChunkWithTagsFromNAND =
++ param->read_chunk_tags_fn =
+ nandmtd2_ReadChunkWithTagsFromNAND;
-+ param->markNANDBlockBad = nandmtd2_MarkNANDBlockBad;
-+ param->queryNANDBlock = nandmtd2_QueryNANDBlock;
-+ yaffs_DeviceToLC(dev)->spareBuffer = YMALLOC(mtd->oobsize);
-+ param->isYaffs2 = 1;
++ param->bad_block_fn = nandmtd2_MarkNANDBlockBad;
++ param->query_block_fn = nandmtd2_QueryNANDBlock;
++ yaffs_dev_to_lc(dev)->spareBuffer = YMALLOC(mtd->oobsize);
++ param->is_yaffs2 = 1;
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
-+ param->totalBytesPerChunk = mtd->writesize;
-+ param->nChunksPerBlock = mtd->erasesize / mtd->writesize;
++ param->total_bytes_per_chunk = mtd->writesize;
++ param->chunks_per_block = mtd->erasesize / mtd->writesize;
+#else
-+ param->totalBytesPerChunk = mtd->oobblock;
-+ param->nChunksPerBlock = mtd->erasesize / mtd->oobblock;
++ param->total_bytes_per_chunk = mtd->oobblock;
++ param->chunks_per_block = mtd->erasesize / mtd->oobblock;
+#endif
+ nBlocks = YCALCBLOCKS(mtd->size, mtd->erasesize);
+
-+ param->startBlock = 0;
-+ param->endBlock = nBlocks - 1;
++ param->start_block = 0;
++ param->end_block = nBlocks - 1;
+ } else {
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
+ /* use the MTD interface in yaffs_mtdif1.c */
-+ param->writeChunkWithTagsToNAND =
++ param->write_chunk_tags_fn =
+ nandmtd1_WriteChunkWithTagsToNAND;
-+ param->readChunkWithTagsFromNAND =
++ param->read_chunk_tags_fn =
+ nandmtd1_ReadChunkWithTagsFromNAND;
-+ param->markNANDBlockBad = nandmtd1_MarkNANDBlockBad;
-+ param->queryNANDBlock = nandmtd1_QueryNANDBlock;
++ param->bad_block_fn = nandmtd1_MarkNANDBlockBad;
++ param->query_block_fn = nandmtd1_QueryNANDBlock;
+#else
-+ param->writeChunkToNAND = nandmtd_WriteChunkToNAND;
-+ param->readChunkFromNAND = nandmtd_ReadChunkFromNAND;
++ param->write_chunk_fn = nandmtd_WriteChunkToNAND;
++ param->read_chunk_fn = nandmtd_ReadChunkFromNAND;
+#endif
-+ param->isYaffs2 = 0;
++ param->is_yaffs2 = 0;
+ }
+ /* ... and common functions */
-+ param->eraseBlockInNAND = nandmtd_EraseBlockInNAND;
-+ param->initialiseNAND = nandmtd_InitialiseNAND;
++ param->erase_fn = nandmtd_EraseBlockInNAND;
++ param->initialise_flash_fn = nandmtd_InitialiseNAND;
+
-+ yaffs_DeviceToLC(dev)->putSuperFunc = yaffs_MTDPutSuper;
++ yaffs_dev_to_lc(dev)->putSuperFunc = yaffs_MTDPutSuper;
+
-+ param->markSuperBlockDirty = yaffs_MarkSuperBlockDirty;
-+ param->gcControl = yaffs_gc_control_callback;
++ param->sb_dirty_fn = yaffs_touch_super;
++ param->gc_control = yaffs_gc_control_callback;
+
-+ yaffs_DeviceToLC(dev)->superBlock= sb;
++ yaffs_dev_to_lc(dev)->superBlock= sb;
+
+
+#ifndef CONFIG_YAFFS_DOES_ECC
-+ param->useNANDECC = 1;
++ param->use_nand_ecc = 1;
+#endif
+
+#ifdef CONFIG_YAFFS_DISABLE_WIDE_TNODES
-+ param->wideTnodesDisabled = 1;
++ param->wide_tnodes_disabled = 1;
+#endif
+
-+ param->skipCheckpointRead = options.skip_checkpoint_read;
-+ param->skipCheckpointWrite = options.skip_checkpoint_write;
++ param->skip_checkpt_rd = options.skip_checkpoint_read;
++ param->skip_checkpt_wr = options.skip_checkpoint_write;
+
+ down(&yaffs_context_lock);
+ /* Get a mount id */
@@ -20934,37 +24170,37 @@
+ }
+ context->mount_id = mount_id;
+
-+ ylist_add_tail(&(yaffs_DeviceToLC(dev)->contextList), &yaffs_context_list);
++ ylist_add_tail(&(yaffs_dev_to_lc(dev)->contextList), &yaffs_context_list);
+ up(&yaffs_context_lock);
+
+ /* Directory search handling...*/
-+ YINIT_LIST_HEAD(&(yaffs_DeviceToLC(dev)->searchContexts));
-+ param->removeObjectCallback = yaffs_RemoveObjectCallback;
++ YINIT_LIST_HEAD(&(yaffs_dev_to_lc(dev)->searchContexts));
++ param->remove_obj_fn = yaffs_remove_obj_callback;
+
-+ init_MUTEX(&(yaffs_DeviceToLC(dev)->grossLock));
++ init_MUTEX(&(yaffs_dev_to_lc(dev)->grossLock));
+
-+ yaffs_GrossLock(dev);
++ yaffs_gross_lock(dev);
+
-+ err = yaffs_GutsInitialise(dev);
++ err = yaffs_guts_initialise(dev);
+
+ T(YAFFS_TRACE_OS,
+ (TSTR("yaffs_read_super: guts initialised %s\n"),
+ (err == YAFFS_OK) ? "OK" : "FAILED"));
+
+ if(err == YAFFS_OK)
-+ yaffs_BackgroundStart(dev);
++ yaffs_bg_start(dev);
+
+ if(!context->bgThread)
-+ param->deferDirectoryUpdate = 0;
++ param->defered_dir_update = 0;
+
+
+ /* Release lock before yaffs_get_inode() */
-+ yaffs_GrossUnlock(dev);
++ yaffs_gross_unlock(dev);
+
+ /* Create root inode */
+ if (err == YAFFS_OK)
+ inode = yaffs_get_inode(sb, S_IFDIR | 0755, 0,
-+ yaffs_Root(dev));
++ yaffs_root(dev));
+
+ if (!inode)
+ return NULL;
@@ -20983,10 +24219,10 @@
+ return NULL;
+ }
+ sb->s_root = root;
-+ sb->s_dirt = !dev->isCheckpointed;
++ sb->s_dirt = !dev->is_checkpointed;
+ T(YAFFS_TRACE_ALWAYS,
-+ (TSTR("yaffs_read_super: isCheckpointed %d\n"),
-+ dev->isCheckpointed));
++ (TSTR("yaffs_read_super: is_checkpointed %d\n"),
++ dev->is_checkpointed));
+
+ T(YAFFS_TRACE_OS, (TSTR("yaffs_read_super: done\n")));
+ return sb;
@@ -21090,21 +24326,21 @@
+static struct proc_dir_entry *my_proc_entry;
+static struct proc_dir_entry *debug_proc_entry;
+
-+static char *yaffs_dump_dev_part0(char *buf, yaffs_Device * dev)
++static char *yaffs_dump_dev_part0(char *buf, yaffs_dev_t * dev)
+{
-+ buf += sprintf(buf, "startBlock......... %d\n", dev->param.startBlock);
-+ buf += sprintf(buf, "endBlock........... %d\n", dev->param.endBlock);
-+ buf += sprintf(buf, "totalBytesPerChunk. %d\n", dev->param.totalBytesPerChunk);
-+ buf += sprintf(buf, "useNANDECC......... %d\n", dev->param.useNANDECC);
-+ buf += sprintf(buf, "noTagsECC.......... %d\n", dev->param.noTagsECC);
-+ buf += sprintf(buf, "isYaffs2........... %d\n", dev->param.isYaffs2);
-+ buf += sprintf(buf, "inbandTags......... %d\n", dev->param.inbandTags);
-+ buf += sprintf(buf, "emptyLostAndFound.. %d\n", dev->param.emptyLostAndFound);
-+ buf += sprintf(buf, "disableLazyLoad.... %d\n", dev->param.disableLazyLoad);
-+ buf += sprintf(buf, "refreshPeriod...... %d\n", dev->param.refreshPeriod);
-+ buf += sprintf(buf, "nShortOpCaches..... %d\n", dev->param.nShortOpCaches);
-+ buf += sprintf(buf, "nReservedBlocks.... %d\n", dev->param.nReservedBlocks);
-+ buf += sprintf(buf, "alwaysCheckErased.. %d\n", dev->param.alwaysCheckErased);
++ buf += sprintf(buf, "start_block.......... %d\n", dev->param.start_block);
++ buf += sprintf(buf, "end_block............ %d\n", dev->param.end_block);
++ buf += sprintf(buf, "total_bytes_per_chunk %d\n", dev->param.total_bytes_per_chunk);
++ buf += sprintf(buf, "use_nand_ecc......... %d\n", dev->param.use_nand_ecc);
++ buf += sprintf(buf, "no_tags_ecc.......... %d\n", dev->param.no_tags_ecc);
++ buf += sprintf(buf, "is_yaffs2............ %d\n", dev->param.is_yaffs2);
++ buf += sprintf(buf, "inband_tags.......... %d\n", dev->param.inband_tags);
++ buf += sprintf(buf, "empty_lost_n_found... %d\n", dev->param.empty_lost_n_found);
++ buf += sprintf(buf, "disable_lazy_load.... %d\n", dev->param.disable_lazy_load);
++ buf += sprintf(buf, "refresh_period....... %d\n", dev->param.refresh_period);
++ buf += sprintf(buf, "n_caches............. %d\n", dev->param.n_caches);
++ buf += sprintf(buf, "n_reserved_blocks.... %d\n", dev->param.n_reserved_blocks);
++ buf += sprintf(buf, "always_check_erased.. %d\n", dev->param.always_check_erased);
+
+ buf += sprintf(buf, "\n");
+
@@ -21112,39 +24348,38 @@
+}
+
+
-+static char *yaffs_dump_dev_part1(char *buf, yaffs_Device * dev)
++static char *yaffs_dump_dev_part1(char *buf, yaffs_dev_t * dev)
+{
-+ buf += sprintf(buf, "nDataBytesPerChunk. %d\n", dev->nDataBytesPerChunk);
-+ buf += sprintf(buf, "chunkGroupBits..... %d\n", dev->chunkGroupBits);
-+ buf += sprintf(buf, "chunkGroupSize..... %d\n", dev->chunkGroupSize);
-+ buf += sprintf(buf, "nErasedBlocks...... %d\n", dev->nErasedBlocks);
-+ buf += sprintf(buf, "blocksInCheckpoint. %d\n", dev->blocksInCheckpoint);
++ buf += sprintf(buf, "data_bytes_per_chunk. %d\n", dev->data_bytes_per_chunk);
++ buf += sprintf(buf, "chunk_grp_bits....... %d\n", dev->chunk_grp_bits);
++ buf += sprintf(buf, "chunk_grp_size....... %d\n", dev->chunk_grp_size);
++ buf += sprintf(buf, "n_erased_blocks...... %d\n", dev->n_erased_blocks);
++ buf += sprintf(buf, "blocks_in_checkpt.... %d\n", dev->blocks_in_checkpt);
+ buf += sprintf(buf, "\n");
-+ buf += sprintf(buf, "nTnodes............ %d\n", dev->nTnodes);
-+ buf += sprintf(buf, "nObjects........... %d\n", dev->nObjects);
-+ buf += sprintf(buf, "nFreeChunks........ %d\n", dev->nFreeChunks);
++ buf += sprintf(buf, "n_tnodes............. %d\n", dev->n_tnodes);
++ buf += sprintf(buf, "n_obj................ %d\n", dev->n_obj);
++ buf += sprintf(buf, "n_free_chunks........ %d\n", dev->n_free_chunks);
+ buf += sprintf(buf, "\n");
-+ buf += sprintf(buf, "nPageWrites........ %u\n", dev->nPageWrites);
-+ buf += sprintf(buf, "nPageReads......... %u\n", dev->nPageReads);
-+ buf += sprintf(buf, "nBlockErasures..... %u\n", dev->nBlockErasures);
-+ buf += sprintf(buf, "nGCCopies.......... %u\n", dev->nGCCopies);
-+ buf += sprintf(buf, "allGCs............. %u\n", dev->allGCs);
-+ buf += sprintf(buf, "passiveGCs......... %u\n", dev->passiveGCs);
-+ buf += sprintf(buf, "oldestDirtyGCs..... %u\n", dev->oldestDirtyGCs);
-+ buf += sprintf(buf, "nGCBlocks.......... %u\n", dev->nGCBlocks);
-+ buf += sprintf(buf, "backgroundGCs...... %u\n", dev->backgroundGCs);
-+ buf += sprintf(buf, "nRetriedWrites..... %u\n", dev->nRetriedWrites);
-+ buf += sprintf(buf, "nRetireBlocks...... %u\n", dev->nRetiredBlocks);
-+ buf += sprintf(buf, "eccFixed........... %u\n", dev->eccFixed);
-+ buf += sprintf(buf, "eccUnfixed......... %u\n", dev->eccUnfixed);
-+ buf += sprintf(buf, "tagsEccFixed....... %u\n", dev->tagsEccFixed);
-+ buf += sprintf(buf, "tagsEccUnfixed..... %u\n", dev->tagsEccUnfixed);
-+ buf += sprintf(buf, "cacheHits.......... %u\n", dev->cacheHits);
-+ buf += sprintf(buf, "nDeletedFiles...... %u\n", dev->nDeletedFiles);
-+ buf += sprintf(buf, "nUnlinkedFiles..... %u\n", dev->nUnlinkedFiles);
-+ buf += sprintf(buf, "refreshCount....... %u\n", dev->refreshCount);
-+ buf +=
-+ sprintf(buf, "nBackgroudDeletions %u\n", dev->nBackgroundDeletions);
++ buf += sprintf(buf, "n_page_writes........ %u\n", dev->n_page_writes);
++ buf += sprintf(buf, "n_page_reads......... %u\n", dev->n_page_reads);
++ buf += sprintf(buf, "n_erasures........... %u\n", dev->n_erasures);
++ buf += sprintf(buf, "n_gc_copies.......... %u\n", dev->n_gc_copies);
++ buf += sprintf(buf, "all_gcs.............. %u\n", dev->all_gcs);
++ buf += sprintf(buf, "passive_gc_count..... %u\n", dev->passive_gc_count);
++ buf += sprintf(buf, "oldest_dirty_gc_count %u\n", dev->oldest_dirty_gc_count);
++ buf += sprintf(buf, "n_gc_blocks.......... %u\n", dev->n_gc_blocks);
++ buf += sprintf(buf, "bg_gcs............... %u\n", dev->bg_gcs);
++ buf += sprintf(buf, "n_retired_writes..... %u\n", dev->n_retired_writes);
++ buf += sprintf(buf, "nRetireBlocks........ %u\n", dev->n_retired_blocks);
++ buf += sprintf(buf, "n_ecc_fixed.......... %u\n", dev->n_ecc_fixed);
++ buf += sprintf(buf, "n_ecc_unfixed........ %u\n", dev->n_ecc_unfixed);
++ buf += sprintf(buf, "n_tags_ecc_fixed..... %u\n", dev->n_tags_ecc_fixed);
++ buf += sprintf(buf, "n_tags_ecc_unfixed... %u\n", dev->n_tags_ecc_unfixed);
++ buf += sprintf(buf, "cache_hits........... %u\n", dev->cache_hits);
++ buf += sprintf(buf, "n_deleted_files...... %u\n", dev->n_deleted_files);
++ buf += sprintf(buf, "n_unlinked_files..... %u\n", dev->n_unlinked_files);
++ buf += sprintf(buf, "refresh_count........ %u\n", dev->refresh_count);
++ buf += sprintf(buf, "n_bg_deletions....... %u\n", dev->n_bg_deletions);
+
+ return buf;
+}
@@ -21159,7 +24394,7 @@
+ int n = 0;
+
+ /* Get proc_file_read() to step 'offset' by one on each sucessive call.
-+ * We use 'offset' (*ppos) to indicate where we are in devList.
++ * We use 'offset' (*ppos) to indicate where we are in dev_list.
+ * This also assumes the user has posted a read buffer large
+ * enough to hold the complete output; but that's life in /proc.
+ */
@@ -21179,7 +24414,7 @@
+ /* Locate and print the Nth entry. Order N-squared but N is small. */
+ ylist_for_each(item, &yaffs_context_list) {
+ struct yaffs_LinuxContext *dc = ylist_entry(item, struct yaffs_LinuxContext, contextList);
-+ yaffs_Device *dev = dc->dev;
++ yaffs_dev_t *dev = dc->dev;
+
+ if (n < (step & ~1)) {
+ n+=2;
@@ -21212,16 +24447,16 @@
+ /* Locate and print the Nth entry. Order N-squared but N is small. */
+ ylist_for_each(item, &yaffs_context_list) {
+ struct yaffs_LinuxContext *dc = ylist_entry(item, struct yaffs_LinuxContext, contextList);
-+ yaffs_Device *dev = dc->dev;
++ yaffs_dev_t *dev = dc->dev;
+
+ int erasedChunks;
+
-+ erasedChunks = dev->nErasedBlocks * dev->param.nChunksPerBlock;
++ erasedChunks = dev->n_erased_blocks * dev->param.chunks_per_block;
+
+ buf += sprintf(buf,"%d, %d, %d, %u, %u, %u, %u\n",
-+ n, dev->nFreeChunks, erasedChunks,
-+ dev->backgroundGCs, dev->oldestDirtyGCs,
-+ dev->nObjects, dev->nTnodes);
++ n, dev->n_free_chunks, erasedChunks,
++ dev->bg_gcs, dev->oldest_dirty_gc_count,
++ dev->n_obj, dev->n_tnodes);
+ }
+ up(&yaffs_context_lock);
+
@@ -21285,7 +24520,7 @@
+ int add, len = 0;
+ int pos = 0;
+
-+ rg = yaffs_traceMask;
++ rg = yaffs_trace_mask;
+
+ while (!done && (pos < count)) {
+ done = 1;
@@ -21349,9 +24584,9 @@
+ }
+ }
+
-+ yaffs_traceMask = rg | YAFFS_TRACE_ALWAYS;
++ yaffs_trace_mask = rg | YAFFS_TRACE_ALWAYS;
+
-+ printk(KERN_DEBUG "new trace = 0x%08X\n", yaffs_traceMask);
++ printk(KERN_DEBUG "new trace = 0x%08X\n", yaffs_trace_mask);
+
+ if (rg & YAFFS_TRACE_ALWAYS) {
+ for (i = 0; mask_flags[i].mask_name != NULL; i++) {
@@ -21480,8 +24715,9 @@
+MODULE_DESCRIPTION("YAFFS2 - a NAND specific flash file system");
+MODULE_AUTHOR("Charles Manning, Aleph One Ltd., 2002-2010");
+MODULE_LICENSE("GPL");
---- /dev/null
-+++ b/fs/yaffs2/yaffs_yaffs1.c
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/yaffs_yaffs1.c linux-2.6.36-rc8.new/fs/yaffs2/yaffs_yaffs1.c
+--- linux-2.6.36-rc8/fs/yaffs2/yaffs_yaffs1.c 1970-01-01 02:00:00.000000000 +0200
++++ linux-2.6.36-rc8.new/fs/yaffs2/yaffs_yaffs1.c 2010-10-20 13:28:16.039000295 +0300
@@ -0,0 +1,465 @@
+/*
+ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
@@ -21503,9 +24739,9 @@
+#include "yaffs_nand.h"
+
+
-+int yaffs1_Scan(yaffs_Device *dev)
++int yaffs1_scan(yaffs_dev_t *dev)
+{
-+ yaffs_ExtendedTags tags;
++ yaffs_ext_tags tags;
+ int blk;
+ int blockIterator;
+ int startIterator;
@@ -21515,17 +24751,17 @@
+ int chunk;
+ int c;
+ int deleted;
-+ yaffs_BlockState state;
-+ yaffs_Object *hardList = NULL;
-+ yaffs_BlockInfo *bi;
-+ __u32 sequenceNumber;
-+ yaffs_ObjectHeader *oh;
-+ yaffs_Object *in;
-+ yaffs_Object *parent;
++ yaffs_block_state_t state;
++ yaffs_obj_t *hard_list = NULL;
++ yaffs_block_info_t *bi;
++ __u32 seq_number;
++ yaffs_obj_header *oh;
++ yaffs_obj_t *in;
++ yaffs_obj_t *parent;
+
+ int alloc_failed = 0;
+
-+ struct yaffs_ShadowFixerStruct *shadowFixerList = NULL;
++ struct yaffs_shadow_fixer_s *shadowFixerList = NULL;
+
+
+ __u8 *chunkData;
@@ -21533,31 +24769,31 @@
+
+
+ T(YAFFS_TRACE_SCAN,
-+ (TSTR("yaffs1_Scan starts intstartblk %d intendblk %d..." TENDSTR),
-+ dev->internalStartBlock, dev->internalEndBlock));
++ (TSTR("yaffs1_scan starts intstartblk %d intendblk %d..." TENDSTR),
++ dev->internal_start_block, dev->internal_end_block));
+
-+ chunkData = yaffs_GetTempBuffer(dev, __LINE__);
++ chunkData = yaffs_get_temp_buffer(dev, __LINE__);
+
-+ dev->sequenceNumber = YAFFS_LOWEST_SEQUENCE_NUMBER;
++ dev->seq_number = YAFFS_LOWEST_SEQUENCE_NUMBER;
+
+ /* Scan all the blocks to determine their state */
-+ bi = dev->blockInfo;
-+ for (blk = dev->internalStartBlock; blk <= dev->internalEndBlock; blk++) {
-+ yaffs_ClearChunkBits(dev, blk);
-+ bi->pagesInUse = 0;
-+ bi->softDeletions = 0;
++ bi = dev->block_info;
++ for (blk = dev->internal_start_block; blk <= dev->internal_end_block; blk++) {
++ yaffs_clear_chunk_bits(dev, blk);
++ bi->pages_in_use = 0;
++ bi->soft_del_pages = 0;
+
-+ yaffs_QueryInitialBlockState(dev, blk, &state, &sequenceNumber);
++ yaffs_query_init_block_state(dev, blk, &state, &seq_number);
+
-+ bi->blockState = state;
-+ bi->sequenceNumber = sequenceNumber;
++ bi->block_state = state;
++ bi->seq_number = seq_number;
+
-+ if (bi->sequenceNumber == YAFFS_SEQUENCE_BAD_BLOCK)
-+ bi->blockState = state = YAFFS_BLOCK_STATE_DEAD;
++ if (bi->seq_number == YAFFS_SEQUENCE_BAD_BLOCK)
++ bi->block_state = state = YAFFS_BLOCK_STATE_DEAD;
+
+ T(YAFFS_TRACE_SCAN_DEBUG,
+ (TSTR("Block scanning block %d state %d seq %d" TENDSTR), blk,
-+ state, sequenceNumber));
++ state, seq_number));
+
+ if (state == YAFFS_BLOCK_STATE_DEAD) {
+ T(YAFFS_TRACE_BAD_BLOCKS,
@@ -21565,14 +24801,14 @@
+ } else if (state == YAFFS_BLOCK_STATE_EMPTY) {
+ T(YAFFS_TRACE_SCAN_DEBUG,
+ (TSTR("Block empty " TENDSTR)));
-+ dev->nErasedBlocks++;
-+ dev->nFreeChunks += dev->param.nChunksPerBlock;
++ dev->n_erased_blocks++;
++ dev->n_free_chunks += dev->param.chunks_per_block;
+ }
+ bi++;
+ }
+
-+ startIterator = dev->internalStartBlock;
-+ endIterator = dev->internalEndBlock;
++ startIterator = dev->internal_start_block;
++ endIterator = dev->internal_end_block;
+
+ /* For each block.... */
+ for (blockIterator = startIterator; !alloc_failed && blockIterator <= endIterator;
@@ -21584,30 +24820,30 @@
+
+ blk = blockIterator;
+
-+ bi = yaffs_GetBlockInfo(dev, blk);
-+ state = bi->blockState;
++ bi = yaffs_get_block_info(dev, blk);
++ state = bi->block_state;
+
+ deleted = 0;
+
+ /* For each chunk in each block that needs scanning....*/
-+ for (c = 0; !alloc_failed && c < dev->param.nChunksPerBlock &&
++ for (c = 0; !alloc_failed && c < dev->param.chunks_per_block &&
+ state == YAFFS_BLOCK_STATE_NEEDS_SCANNING; c++) {
+ /* Read the tags and decide what to do */
-+ chunk = blk * dev->param.nChunksPerBlock + c;
++ chunk = blk * dev->param.chunks_per_block + c;
+
-+ result = yaffs_ReadChunkWithTagsFromNAND(dev, chunk, NULL,
++ result = yaffs_rd_chunk_tags_nand(dev, chunk, NULL,
+ &tags);
+
+ /* Let's have a good look at this chunk... */
+
-+ if (tags.eccResult == YAFFS_ECC_RESULT_UNFIXED || tags.chunkDeleted) {
++ if (tags.ecc_result == YAFFS_ECC_RESULT_UNFIXED || tags.is_deleted) {
+ /* YAFFS1 only...
+ * A deleted chunk
+ */
+ deleted++;
-+ dev->nFreeChunks++;
++ dev->n_free_chunks++;
+ /*T((" %d %d deleted\n",blk,c)); */
-+ } else if (!tags.chunkUsed) {
++ } else if (!tags.chunk_used) {
+ /* An unassigned chunk in the block
+ * This means that either the block is empty or
+ * this is the one being allocated from
@@ -21616,7 +24852,7 @@
+ if (c == 0) {
+ /* We're looking at the first chunk in the block so the block is unused */
+ state = YAFFS_BLOCK_STATE_EMPTY;
-+ dev->nErasedBlocks++;
++ dev->n_erased_blocks++;
+ } else {
+ /* this is the block being allocated from */
+ T(YAFFS_TRACE_SCAN,
@@ -21624,102 +24860,102 @@
+ (" Allocating from %d %d" TENDSTR),
+ blk, c));
+ state = YAFFS_BLOCK_STATE_ALLOCATING;
-+ dev->allocationBlock = blk;
-+ dev->allocationPage = c;
-+ dev->allocationBlockFinder = blk;
++ dev->alloc_block = blk;
++ dev->alloc_page = c;
++ dev->alloc_block_finder = blk;
+ /* Set block finder here to encourage the allocator to go forth from here. */
+
+ }
+
-+ dev->nFreeChunks += (dev->param.nChunksPerBlock - c);
-+ } else if (tags.chunkId > 0) {
-+ /* chunkId > 0 so it is a data chunk... */
++ dev->n_free_chunks += (dev->param.chunks_per_block - c);
++ } else if (tags.chunk_id > 0) {
++ /* chunk_id > 0 so it is a data chunk... */
+ unsigned int endpos;
+
-+ yaffs_SetChunkBit(dev, blk, c);
-+ bi->pagesInUse++;
++ yaffs_set_chunk_bit(dev, blk, c);
++ bi->pages_in_use++;
+
-+ in = yaffs_FindOrCreateObjectByNumber(dev,
++ in = yaffs_find_or_create_by_number(dev,
+ tags.
-+ objectId,
++ obj_id,
+ YAFFS_OBJECT_TYPE_FILE);
+ /* PutChunkIntoFile checks for a clash (two data chunks with
-+ * the same chunkId).
++ * the same chunk_id).
+ */
+
+ if (!in)
+ alloc_failed = 1;
+
+ if (in) {
-+ if (!yaffs_PutChunkIntoFile(in, tags.chunkId, chunk, 1))
++ if (!yaffs_put_chunk_in_file(in, tags.chunk_id, chunk, 1))
+ alloc_failed = 1;
+ }
+
+ endpos =
-+ (tags.chunkId - 1) * dev->nDataBytesPerChunk +
-+ tags.byteCount;
++ (tags.chunk_id - 1) * dev->data_bytes_per_chunk +
++ tags.n_bytes;
+ if (in &&
-+ in->variantType == YAFFS_OBJECT_TYPE_FILE
-+ && in->variant.fileVariant.scannedFileSize <
++ in->variant_type == YAFFS_OBJECT_TYPE_FILE
++ && in->variant.file_variant.scanned_size <
+ endpos) {
-+ in->variant.fileVariant.
-+ scannedFileSize = endpos;
-+ if (!dev->param.useHeaderFileSize) {
-+ in->variant.fileVariant.
-+ fileSize =
-+ in->variant.fileVariant.
-+ scannedFileSize;
++ in->variant.file_variant.
++ scanned_size = endpos;
++ if (!dev->param.use_header_file_size) {
++ in->variant.file_variant.
++ file_size =
++ in->variant.file_variant.
++ scanned_size;
+ }
+
+ }
-+ /* T((" %d %d data %d %d\n",blk,c,tags.objectId,tags.chunkId)); */
++ /* T((" %d %d data %d %d\n",blk,c,tags.obj_id,tags.chunk_id)); */
+ } else {
-+ /* chunkId == 0, so it is an ObjectHeader.
++ /* chunk_id == 0, so it is an ObjectHeader.
+ * Thus, we read in the object header and make the object
+ */
-+ yaffs_SetChunkBit(dev, blk, c);
-+ bi->pagesInUse++;
++ yaffs_set_chunk_bit(dev, blk, c);
++ bi->pages_in_use++;
+
-+ result = yaffs_ReadChunkWithTagsFromNAND(dev, chunk,
++ result = yaffs_rd_chunk_tags_nand(dev, chunk,
+ chunkData,
+ NULL);
+
-+ oh = (yaffs_ObjectHeader *) chunkData;
++ oh = (yaffs_obj_header *) chunkData;
+
-+ in = yaffs_FindObjectByNumber(dev,
-+ tags.objectId);
-+ if (in && in->variantType != oh->type) {
++ in = yaffs_find_by_number(dev,
++ tags.obj_id);
++ if (in && in->variant_type != oh->type) {
+ /* This should not happen, but somehow
-+ * Wev'e ended up with an objectId that has been reused but not yet
++ * Wev'e ended up with an obj_id that has been reused but not yet
+ * deleted, and worse still it has changed type. Delete the old object.
+ */
+
-+ yaffs_DeleteObject(in);
++ yaffs_del_obj(in);
+
+ in = 0;
+ }
+
-+ in = yaffs_FindOrCreateObjectByNumber(dev,
++ in = yaffs_find_or_create_by_number(dev,
+ tags.
-+ objectId,
++ obj_id,
+ oh->type);
+
+ if (!in)
+ alloc_failed = 1;
+
-+ if (in && oh->shadowsObject > 0) {
++ if (in && oh->shadows_obj > 0) {
+
-+ struct yaffs_ShadowFixerStruct *fixer;
-+ fixer = YMALLOC(sizeof(struct yaffs_ShadowFixerStruct));
++ struct yaffs_shadow_fixer_s *fixer;
++ fixer = YMALLOC(sizeof(struct yaffs_shadow_fixer_s));
+ if (fixer) {
+ fixer->next = shadowFixerList;
+ shadowFixerList = fixer;
-+ fixer->objectId = tags.objectId;
-+ fixer->shadowedId = oh->shadowsObject;
++ fixer->obj_id = tags.obj_id;
++ fixer->shadowed_id = oh->shadows_obj;
+ T(YAFFS_TRACE_SCAN,
+ (TSTR
+ (" Shadow fixer: %d shadows %d" TENDSTR),
-+ fixer->objectId, fixer->shadowedId));
++ fixer->obj_id, fixer->shadowed_id));
+
+ }
+
@@ -21729,27 +24965,27 @@
+ /* We have already filled this one. We have a duplicate and need to resolve it. */
+
+ unsigned existingSerial = in->serial;
-+ unsigned newSerial = tags.serialNumber;
++ unsigned newSerial = tags.serial_number;
+
+ if (((existingSerial + 1) & 3) == newSerial) {
+ /* Use new one - destroy the exisiting one */
-+ yaffs_DeleteChunk(dev,
-+ in->hdrChunk,
++ yaffs_chunk_del(dev,
++ in->hdr_chunk,
+ 1, __LINE__);
+ in->valid = 0;
+ } else {
+ /* Use existing - destroy this one. */
-+ yaffs_DeleteChunk(dev, chunk, 1,
++ yaffs_chunk_del(dev, chunk, 1,
+ __LINE__);
+ }
+ }
+
+ if (in && !in->valid &&
-+ (tags.objectId == YAFFS_OBJECTID_ROOT ||
-+ tags.objectId == YAFFS_OBJECTID_LOSTNFOUND)) {
++ (tags.obj_id == YAFFS_OBJECTID_ROOT ||
++ tags.obj_id == YAFFS_OBJECTID_LOSTNFOUND)) {
+ /* We only load some info, don't fiddle with directory structure */
+ in->valid = 1;
-+ in->variantType = oh->type;
++ in->variant_type = oh->type;
+
+ in->yst_mode = oh->yst_mode;
+#ifdef CONFIG_YAFFS_WINCE
@@ -21767,14 +25003,14 @@
+ in->yst_ctime = oh->yst_ctime;
+ in->yst_rdev = oh->yst_rdev;
+#endif
-+ in->hdrChunk = chunk;
-+ in->serial = tags.serialNumber;
++ in->hdr_chunk = chunk;
++ in->serial = tags.serial_number;
+
+ } else if (in && !in->valid) {
+ /* we need to load this info */
+
+ in->valid = 1;
-+ in->variantType = oh->type;
++ in->variant_type = oh->type;
+
+ in->yst_mode = oh->yst_mode;
+#ifdef CONFIG_YAFFS_WINCE
@@ -21792,10 +25028,10 @@
+ in->yst_ctime = oh->yst_ctime;
+ in->yst_rdev = oh->yst_rdev;
+#endif
-+ in->hdrChunk = chunk;
-+ in->serial = tags.serialNumber;
++ in->hdr_chunk = chunk;
++ in->serial = tags.serial_number;
+
-+ yaffs_SetObjectNameFromOH(in, oh);
++ yaffs_set_obj_name_from_oh(in, oh);
+ in->dirty = 0;
+
+ /* directory stuff...
@@ -21803,20 +25039,20 @@
+ */
+
+ parent =
-+ yaffs_FindOrCreateObjectByNumber
-+ (dev, oh->parentObjectId,
++ yaffs_find_or_create_by_number
++ (dev, oh->parent_obj_id,
+ YAFFS_OBJECT_TYPE_DIRECTORY);
+ if (!parent)
+ alloc_failed = 1;
-+ if (parent && parent->variantType ==
++ if (parent && parent->variant_type ==
+ YAFFS_OBJECT_TYPE_UNKNOWN) {
+ /* Set up as a directory */
-+ parent->variantType =
++ parent->variant_type =
+ YAFFS_OBJECT_TYPE_DIRECTORY;
+ YINIT_LIST_HEAD(&parent->variant.
-+ directoryVariant.
++ dir_variant.
+ children);
-+ } else if (!parent || parent->variantType !=
++ } else if (!parent || parent->variant_type !=
+ YAFFS_OBJECT_TYPE_DIRECTORY) {
+ /* Hoosterman, another problem....
+ * We're trying to use a non-directory as a directory
@@ -21826,15 +25062,15 @@
+ (TSTR
+ ("yaffs tragedy: attempting to use non-directory as a directory in scan. Put in lost+found."
+ TENDSTR)));
-+ parent = dev->lostNFoundDir;
++ parent = dev->lost_n_found;
+ }
+
-+ yaffs_AddObjectToDirectory(parent, in);
++ yaffs_add_obj_to_dir(parent, in);
+
-+ if (0 && (parent == dev->deletedDir ||
-+ parent == dev->unlinkedDir)) {
++ if (0 && (parent == dev->del_dir ||
++ parent == dev->unlinked_dir)) {
+ in->deleted = 1; /* If it is unlinked at start up then it wants deleting */
-+ dev->nDeletedFiles++;
++ dev->n_deleted_files++;
+ }
+ /* Note re hardlinks.
+ * Since we might scan a hardlink before its equivalent object is scanned
@@ -21843,26 +25079,26 @@
+ * list and fix up all the chains.
+ */
+
-+ switch (in->variantType) {
++ switch (in->variant_type) {
+ case YAFFS_OBJECT_TYPE_UNKNOWN:
+ /* Todo got a problem */
+ break;
+ case YAFFS_OBJECT_TYPE_FILE:
-+ if (dev->param.useHeaderFileSize)
++ if (dev->param.use_header_file_size)
+
-+ in->variant.fileVariant.
-+ fileSize =
-+ oh->fileSize;
++ in->variant.file_variant.
++ file_size =
++ oh->file_size;
+
+ break;
+ case YAFFS_OBJECT_TYPE_HARDLINK:
-+ in->variant.hardLinkVariant.
-+ equivalentObjectId =
-+ oh->equivalentObjectId;
-+ in->hardLinks.next =
++ in->variant.hardlink_variant.
++ equiv_id =
++ oh->equiv_id;
++ in->hard_links.next =
+ (struct ylist_head *)
-+ hardList;
-+ hardList = in;
++ hard_list;
++ hard_list = in;
+ break;
+ case YAFFS_OBJECT_TYPE_DIRECTORY:
+ /* Do nothing */
@@ -21871,9 +25107,9 @@
+ /* Do nothing */
+ break;
+ case YAFFS_OBJECT_TYPE_SYMLINK:
-+ in->variant.symLinkVariant.alias =
-+ yaffs_CloneString(oh->alias);
-+ if (!in->variant.symLinkVariant.alias)
++ in->variant.symlink_variant.alias =
++ yaffs_clone_str(oh->alias);
++ if (!in->variant.symlink_variant.alias)
+ alloc_failed = 1;
+ break;
+ }
@@ -21890,16 +25126,16 @@
+ if (state == YAFFS_BLOCK_STATE_ALLOCATING) {
+ /* If the block was partially allocated then treat it as fully allocated.*/
+ state = YAFFS_BLOCK_STATE_FULL;
-+ dev->allocationBlock = -1;
++ dev->alloc_block = -1;
+ }
+
-+ bi->blockState = state;
++ bi->block_state = state;
+
+ /* Now let's see if it was dirty */
-+ if (bi->pagesInUse == 0 &&
-+ !bi->hasShrinkHeader &&
-+ bi->blockState == YAFFS_BLOCK_STATE_FULL) {
-+ yaffs_BlockBecameDirty(dev, blk);
++ if (bi->pages_in_use == 0 &&
++ !bi->has_shrink_hdr &&
++ bi->block_state == YAFFS_BLOCK_STATE_FULL) {
++ yaffs_block_became_dirty(dev, blk);
+ }
+
+ }
@@ -21911,12 +25147,12 @@
+ * hardlinks.
+ */
+
-+ yaffs_HardlinkFixup(dev, hardList);
++ yaffs_link_fixup(dev, hard_list);
+
+ /* Fix up any shadowed objects */
+ {
-+ struct yaffs_ShadowFixerStruct *fixer;
-+ yaffs_Object *obj;
++ struct yaffs_shadow_fixer_s *fixer;
++ yaffs_obj_t *obj;
+
+ while (shadowFixerList) {
+ fixer = shadowFixerList;
@@ -21924,32 +25160,33 @@
+ /* Complete the rename transaction by deleting the shadowed object
+ * then setting the object header to unshadowed.
+ */
-+ obj = yaffs_FindObjectByNumber(dev, fixer->shadowedId);
++ obj = yaffs_find_by_number(dev, fixer->shadowed_id);
+ if (obj)
-+ yaffs_DeleteObject(obj);
++ yaffs_del_obj(obj);
+
-+ obj = yaffs_FindObjectByNumber(dev, fixer->objectId);
++ obj = yaffs_find_by_number(dev, fixer->obj_id);
+
+ if (obj)
-+ yaffs_UpdateObjectHeader(obj, NULL, 1, 0, 0, NULL);
++ yaffs_update_oh(obj, NULL, 1, 0, 0, NULL);
+
+ YFREE(fixer);
+ }
+ }
+
-+ yaffs_ReleaseTempBuffer(dev, chunkData, __LINE__);
++ yaffs_release_temp_buffer(dev, chunkData, __LINE__);
+
+ if (alloc_failed)
+ return YAFFS_FAIL;
+
-+ T(YAFFS_TRACE_SCAN, (TSTR("yaffs1_Scan ends" TENDSTR)));
++ T(YAFFS_TRACE_SCAN, (TSTR("yaffs1_scan ends" TENDSTR)));
+
+
+ return YAFFS_OK;
+}
+
---- /dev/null
-+++ b/fs/yaffs2/yaffs_yaffs1.h
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/yaffs_yaffs1.h linux-2.6.36-rc8.new/fs/yaffs2/yaffs_yaffs1.h
+--- linux-2.6.36-rc8/fs/yaffs2/yaffs_yaffs1.h 1970-01-01 02:00:00.000000000 +0200
++++ linux-2.6.36-rc8.new/fs/yaffs2/yaffs_yaffs1.h 2010-10-20 13:28:16.064000294 +0300
@@ -0,0 +1,22 @@
+/*
+ * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
@@ -21970,11 +25207,12 @@
+#define __YAFFS_YAFFS1_H__
+
+#include "yaffs_guts.h"
-+int yaffs1_Scan(yaffs_Device *dev);
++int yaffs1_scan(yaffs_dev_t *dev);
+
+#endif
---- /dev/null
-+++ b/fs/yaffs2/yaffs_yaffs2.c
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/yaffs_yaffs2.c linux-2.6.36-rc8.new/fs/yaffs2/yaffs_yaffs2.c
+--- linux-2.6.36-rc8/fs/yaffs2/yaffs_yaffs2.c 1970-01-01 02:00:00.000000000 +0200
++++ linux-2.6.36-rc8.new/fs/yaffs2/yaffs_yaffs2.c 2010-10-20 13:28:16.050000294 +0300
@@ -0,0 +1,1540 @@
+/*
+ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
@@ -22015,134 +25253,134 @@
+ * Oldest Dirty Sequence Number handling.
+ */
+
-+/* yaffs2_CalcOldestDirtySequence()
-+ * yaffs2_FindOldestDirtySequence()
++/* yaffs_calc_oldest_dirty_seq()
++ * yaffs2_find_oldest_dirty_seq()
+ * Calculate the oldest dirty sequence number if we don't know it.
+ */
-+void yaffs2_CalcOldestDirtySequence(yaffs_Device *dev)
++void yaffs_calc_oldest_dirty_seq(yaffs_dev_t *dev)
+{
+ int i;
+ unsigned seq;
-+ unsigned blockNo = 0;
-+ yaffs_BlockInfo *b;
++ unsigned block_no = 0;
++ yaffs_block_info_t *b;
+
-+ if(!dev->param.isYaffs2)
++ if(!dev->param.is_yaffs2)
+ return;
+
+ /* Find the oldest dirty sequence number. */
-+ seq = dev->sequenceNumber + 1;
-+ b = dev->blockInfo;
-+ for (i = dev->internalStartBlock; i <= dev->internalEndBlock; i++) {
-+ if (b->blockState == YAFFS_BLOCK_STATE_FULL &&
-+ (b->pagesInUse - b->softDeletions) < dev->param.nChunksPerBlock &&
-+ b->sequenceNumber < seq) {
-+ seq = b->sequenceNumber;
-+ blockNo = i;
++ seq = dev->seq_number + 1;
++ b = dev->block_info;
++ for (i = dev->internal_start_block; i <= dev->internal_end_block; i++) {
++ if (b->block_state == YAFFS_BLOCK_STATE_FULL &&
++ (b->pages_in_use - b->soft_del_pages) < dev->param.chunks_per_block &&
++ b->seq_number < seq) {
++ seq = b->seq_number;
++ block_no = i;
+ }
+ b++;
+ }
+
-+ if(blockNo){
-+ dev->oldestDirtySequence = seq;
-+ dev->oldestDirtyBlock = blockNo;
++ if(block_no){
++ dev->oldest_dirty_seq = seq;
++ dev->oldest_dirty_block = block_no;
+ }
+
+}
+
+
-+void yaffs2_FindOldestDirtySequence(yaffs_Device *dev)
++void yaffs2_find_oldest_dirty_seq(yaffs_dev_t *dev)
+{
-+ if(!dev->param.isYaffs2)
++ if(!dev->param.is_yaffs2)
+ return;
+
-+ if(!dev->oldestDirtySequence)
-+ yaffs2_CalcOldestDirtySequence(dev);
++ if(!dev->oldest_dirty_seq)
++ yaffs_calc_oldest_dirty_seq(dev);
+}
+
+/*
-+ * yaffs_ClearOldestDirtySequence()
-+ * Called when a block is erased or marked bad. (ie. when its sequenceNumber
++ * yaffs_clear_oldest_dirty_seq()
++ * Called when a block is erased or marked bad. (ie. when its seq_number
+ * becomes invalid). If the value matches the oldest then we clear
-+ * dev->oldestDirtySequence to force its recomputation.
++ * dev->oldest_dirty_seq to force its recomputation.
+ */
-+void yaffs2_ClearOldestDirtySequence(yaffs_Device *dev, yaffs_BlockInfo *bi)
++void yaffs2_clear_oldest_dirty_seq(yaffs_dev_t *dev, yaffs_block_info_t *bi)
+{
+
-+ if(!dev->param.isYaffs2)
++ if(!dev->param.is_yaffs2)
+ return;
+
-+ if(!bi || bi->sequenceNumber == dev->oldestDirtySequence){
-+ dev->oldestDirtySequence = 0;
-+ dev->oldestDirtyBlock = 0;
++ if(!bi || bi->seq_number == dev->oldest_dirty_seq){
++ dev->oldest_dirty_seq = 0;
++ dev->oldest_dirty_block = 0;
+ }
+}
+
+/*
-+ * yaffs2_UpdateOldestDirtySequence()
++ * yaffs2_update_oldest_dirty_seq()
+ * Update the oldest dirty sequence number whenever we dirty a block.
-+ * Only do this if the oldestDirtySequence is actually being tracked.
++ * Only do this if the oldest_dirty_seq is actually being tracked.
+ */
-+void yaffs2_UpdateOldestDirtySequence(yaffs_Device *dev, unsigned blockNo, yaffs_BlockInfo *bi)
++void yaffs2_update_oldest_dirty_seq(yaffs_dev_t *dev, unsigned block_no, yaffs_block_info_t *bi)
+{
-+ if(!dev->param.isYaffs2)
++ if(!dev->param.is_yaffs2)
+ return;
+
-+ if(dev->oldestDirtySequence){
-+ if(dev->oldestDirtySequence > bi->sequenceNumber){
-+ dev->oldestDirtySequence = bi->sequenceNumber;
-+ dev->oldestDirtyBlock = blockNo;
++ if(dev->oldest_dirty_seq){
++ if(dev->oldest_dirty_seq > bi->seq_number){
++ dev->oldest_dirty_seq = bi->seq_number;
++ dev->oldest_dirty_block = block_no;
+ }
+ }
+}
+
-+int yaffs2_BlockNotDisqualifiedFromGC(yaffs_Device *dev,
-+ yaffs_BlockInfo *bi)
++int yaffs_block_ok_for_gc(yaffs_dev_t *dev,
++ yaffs_block_info_t *bi)
+{
+
-+ if (!dev->param.isYaffs2)
++ if (!dev->param.is_yaffs2)
+ return 1; /* disqualification only applies to yaffs2. */
+
-+ if (!bi->hasShrinkHeader)
++ if (!bi->has_shrink_hdr)
+ return 1; /* can gc */
+
-+ yaffs2_FindOldestDirtySequence(dev);
++ yaffs2_find_oldest_dirty_seq(dev);
+
+ /* Can't do gc of this block if there are any blocks older than this one that have
+ * discarded pages.
+ */
-+ return (bi->sequenceNumber <= dev->oldestDirtySequence);
++ return (bi->seq_number <= dev->oldest_dirty_seq);
+}
+
+/*
-+ * yaffs2_FindRefreshBlock()
++ * yaffs2_find_refresh_block()
+ * periodically finds the oldest full block by sequence number for refreshing.
+ * Only for yaffs2.
+ */
-+__u32 yaffs2_FindRefreshBlock(yaffs_Device *dev)
++__u32 yaffs2_find_refresh_block(yaffs_dev_t *dev)
+{
+ __u32 b ;
+
+ __u32 oldest = 0;
+ __u32 oldestSequence = 0;
+
-+ yaffs_BlockInfo *bi;
++ yaffs_block_info_t *bi;
+
-+ if(!dev->param.isYaffs2)
++ if(!dev->param.is_yaffs2)
+ return oldest;
+
+ /*
+ * If refresh period < 10 then refreshing is disabled.
+ */
-+ if(dev->param.refreshPeriod < 10)
++ if(dev->param.refresh_period < 10)
+ return oldest;
+
+ /*
+ * Fix broken values.
+ */
-+ if(dev->refreshSkip > dev->param.refreshPeriod)
-+ dev->refreshSkip = dev->param.refreshPeriod;
++ if(dev->refresh_skip > dev->param.refresh_period)
++ dev->refresh_skip = dev->param.refresh_period;
+
-+ if(dev->refreshSkip > 0)
++ if(dev->refresh_skip > 0)
+ return oldest;
+
+ /*
@@ -22150,17 +25388,17 @@
+ * We'll do a refresh this time around....
+ * Update the refresh skip and find the oldest block.
+ */
-+ dev->refreshSkip = dev->param.refreshPeriod;
-+ dev->refreshCount++;
-+ bi = dev->blockInfo;
-+ for (b = dev->internalStartBlock; b <=dev->internalEndBlock; b++){
++ dev->refresh_skip = dev->param.refresh_period;
++ dev->refresh_count++;
++ bi = dev->block_info;
++ for (b = dev->internal_start_block; b <=dev->internal_end_block; b++){
+
-+ if (bi->blockState == YAFFS_BLOCK_STATE_FULL){
++ if (bi->block_state == YAFFS_BLOCK_STATE_FULL){
+
+ if(oldest < 1 ||
-+ bi->sequenceNumber < oldestSequence){
++ bi->seq_number < oldestSequence){
+ oldest = b;
-+ oldestSequence = bi->sequenceNumber;
++ oldestSequence = bi->seq_number;
+ }
+ }
+ bi++;
@@ -22168,58 +25406,58 @@
+
+ if (oldest > 0) {
+ T(YAFFS_TRACE_GC,
-+ (TSTR("GC refresh count %d selected block %d with sequenceNumber %d" TENDSTR),
-+ dev->refreshCount, oldest, oldestSequence));
++ (TSTR("GC refresh count %d selected block %d with seq_number %d" TENDSTR),
++ dev->refresh_count, oldest, oldestSequence));
+ }
+
+ return oldest;
+}
+
-+int yaffs2_CheckpointRequired(yaffs_Device *dev)
++int yaffs2_checkpt_required(yaffs_dev_t *dev)
+{
+ int nblocks;
+
-+ if(!dev->param.isYaffs2)
++ if(!dev->param.is_yaffs2)
+ return 0;
+
-+ nblocks = dev->internalEndBlock - dev->internalStartBlock + 1 ;
++ nblocks = dev->internal_end_block - dev->internal_start_block + 1 ;
+
-+ return !dev->param.skipCheckpointWrite &&
-+ !dev->readOnly &&
++ return !dev->param.skip_checkpt_wr &&
++ !dev->read_only &&
+ (nblocks >= YAFFS_CHECKPOINT_MIN_BLOCKS);
+}
+
-+int yaffs2_CalcCheckpointBlocksRequired(yaffs_Device *dev)
++int yaffs_calc_checkpt_blocks_required(yaffs_dev_t *dev)
+{
+ int retval;
+
-+ if(!dev->param.isYaffs2)
++ if(!dev->param.is_yaffs2)
+ return 0;
+
-+ if (!dev->nCheckpointBlocksRequired &&
-+ yaffs2_CheckpointRequired(dev)){
++ if (!dev->checkpoint_blocks_required &&
++ yaffs2_checkpt_required(dev)){
+ /* Not a valid value so recalculate */
-+ int nBytes = 0;
++ int n_bytes = 0;
+ int nBlocks;
-+ int devBlocks = (dev->param.endBlock - dev->param.startBlock + 1);
++ int devBlocks = (dev->param.end_block - dev->param.start_block + 1);
+
-+ nBytes += sizeof(yaffs_CheckpointValidity);
-+ nBytes += sizeof(yaffs_CheckpointDevice);
-+ nBytes += devBlocks * sizeof(yaffs_BlockInfo);
-+ nBytes += devBlocks * dev->chunkBitmapStride;
-+ nBytes += (sizeof(yaffs_CheckpointObject) + sizeof(__u32)) * (dev->nObjects);
-+ nBytes += (dev->tnodeSize + sizeof(__u32)) * (dev->nTnodes);
-+ nBytes += sizeof(yaffs_CheckpointValidity);
-+ nBytes += sizeof(__u32); /* checksum*/
++ n_bytes += sizeof(yaffs_checkpt_validty_t);
++ n_bytes += sizeof(yaffs_checkpt_dev_t);
++ n_bytes += devBlocks * sizeof(yaffs_block_info_t);
++ n_bytes += devBlocks * dev->chunk_bit_stride;
++ n_bytes += (sizeof(yaffs_checkpt_obj_t) + sizeof(__u32)) * (dev->n_obj);
++ n_bytes += (dev->tnode_size + sizeof(__u32)) * (dev->n_tnodes);
++ n_bytes += sizeof(yaffs_checkpt_validty_t);
++ n_bytes += sizeof(__u32); /* checksum*/
+
+ /* Round up and add 2 blocks to allow for some bad blocks, so add 3 */
+
-+ nBlocks = (nBytes/(dev->nDataBytesPerChunk * dev->param.nChunksPerBlock)) + 3;
++ nBlocks = (n_bytes/(dev->data_bytes_per_chunk * dev->param.chunks_per_block)) + 3;
+
-+ dev->nCheckpointBlocksRequired = nBlocks;
++ dev->checkpoint_blocks_required = nBlocks;
+ }
+
-+ retval = dev->nCheckpointBlocksRequired - dev->blocksInCheckpoint;
++ retval = dev->checkpoint_blocks_required - dev->blocks_in_checkpt;
+ if(retval < 0)
+ retval = 0;
+ return retval;
@@ -22228,212 +25466,212 @@
+/*--------------------- Checkpointing --------------------*/
+
+
-+static int yaffs2_WriteCheckpointValidityMarker(yaffs_Device *dev, int head)
++static int yaffs2_wr_checkpt_validity_marker(yaffs_dev_t *dev, int head)
+{
-+ yaffs_CheckpointValidity cp;
++ yaffs_checkpt_validty_t cp;
+
+ memset(&cp, 0, sizeof(cp));
+
-+ cp.structType = sizeof(cp);
++ cp.struct_type = sizeof(cp);
+ cp.magic = YAFFS_MAGIC;
+ cp.version = YAFFS_CHECKPOINT_VERSION;
+ cp.head = (head) ? 1 : 0;
+
-+ return (yaffs2_CheckpointWrite(dev, &cp, sizeof(cp)) == sizeof(cp)) ?
++ return (yaffs2_checkpt_wr(dev, &cp, sizeof(cp)) == sizeof(cp)) ?
+ 1 : 0;
+}
+
-+static int yaffs2_ReadCheckpointValidityMarker(yaffs_Device *dev, int head)
++static int yaffs2_rd_checkpt_validty_marker(yaffs_dev_t *dev, int head)
+{
-+ yaffs_CheckpointValidity cp;
++ yaffs_checkpt_validty_t cp;
+ int ok;
+
-+ ok = (yaffs2_CheckpointRead(dev, &cp, sizeof(cp)) == sizeof(cp));
++ ok = (yaffs2_checkpt_rd(dev, &cp, sizeof(cp)) == sizeof(cp));
+
+ if (ok)
-+ ok = (cp.structType == sizeof(cp)) &&
++ ok = (cp.struct_type == sizeof(cp)) &&
+ (cp.magic == YAFFS_MAGIC) &&
+ (cp.version == YAFFS_CHECKPOINT_VERSION) &&
+ (cp.head == ((head) ? 1 : 0));
+ return ok ? 1 : 0;
+}
+
-+static void yaffs2_DeviceToCheckpointDevice(yaffs_CheckpointDevice *cp,
-+ yaffs_Device *dev)
++static void yaffs2_dev_to_checkpt_dev(yaffs_checkpt_dev_t *cp,
++ yaffs_dev_t *dev)
+{
-+ cp->nErasedBlocks = dev->nErasedBlocks;
-+ cp->allocationBlock = dev->allocationBlock;
-+ cp->allocationPage = dev->allocationPage;
-+ cp->nFreeChunks = dev->nFreeChunks;
++ cp->n_erased_blocks = dev->n_erased_blocks;
++ cp->alloc_block = dev->alloc_block;
++ cp->alloc_page = dev->alloc_page;
++ cp->n_free_chunks = dev->n_free_chunks;
+
-+ cp->nDeletedFiles = dev->nDeletedFiles;
-+ cp->nUnlinkedFiles = dev->nUnlinkedFiles;
-+ cp->nBackgroundDeletions = dev->nBackgroundDeletions;
-+ cp->sequenceNumber = dev->sequenceNumber;
++ cp->n_deleted_files = dev->n_deleted_files;
++ cp->n_unlinked_files = dev->n_unlinked_files;
++ cp->n_bg_deletions = dev->n_bg_deletions;
++ cp->seq_number = dev->seq_number;
+
+}
+
-+static void yaffs2_CheckpointDeviceToDevice(yaffs_Device *dev,
-+ yaffs_CheckpointDevice *cp)
++static void yaffs_checkpt_dev_to_dev(yaffs_dev_t *dev,
++ yaffs_checkpt_dev_t *cp)
+{
-+ dev->nErasedBlocks = cp->nErasedBlocks;
-+ dev->allocationBlock = cp->allocationBlock;
-+ dev->allocationPage = cp->allocationPage;
-+ dev->nFreeChunks = cp->nFreeChunks;
++ dev->n_erased_blocks = cp->n_erased_blocks;
++ dev->alloc_block = cp->alloc_block;
++ dev->alloc_page = cp->alloc_page;
++ dev->n_free_chunks = cp->n_free_chunks;
+
-+ dev->nDeletedFiles = cp->nDeletedFiles;
-+ dev->nUnlinkedFiles = cp->nUnlinkedFiles;
-+ dev->nBackgroundDeletions = cp->nBackgroundDeletions;
-+ dev->sequenceNumber = cp->sequenceNumber;
++ dev->n_deleted_files = cp->n_deleted_files;
++ dev->n_unlinked_files = cp->n_unlinked_files;
++ dev->n_bg_deletions = cp->n_bg_deletions;
++ dev->seq_number = cp->seq_number;
+}
+
+
-+static int yaffs2_WriteCheckpointDevice(yaffs_Device *dev)
++static int yaffs2_wr_checkpt_dev(yaffs_dev_t *dev)
+{
-+ yaffs_CheckpointDevice cp;
-+ __u32 nBytes;
-+ __u32 nBlocks = (dev->internalEndBlock - dev->internalStartBlock + 1);
++ yaffs_checkpt_dev_t cp;
++ __u32 n_bytes;
++ __u32 nBlocks = (dev->internal_end_block - dev->internal_start_block + 1);
+
+ int ok;
+
+ /* Write device runtime values*/
-+ yaffs2_DeviceToCheckpointDevice(&cp, dev);
-+ cp.structType = sizeof(cp);
++ yaffs2_dev_to_checkpt_dev(&cp, dev);
++ cp.struct_type = sizeof(cp);
+
-+ ok = (yaffs2_CheckpointWrite(dev, &cp, sizeof(cp)) == sizeof(cp));
++ ok = (yaffs2_checkpt_wr(dev, &cp, sizeof(cp)) == sizeof(cp));
+
+ /* Write block info */
+ if (ok) {
-+ nBytes = nBlocks * sizeof(yaffs_BlockInfo);
-+ ok = (yaffs2_CheckpointWrite(dev, dev->blockInfo, nBytes) == nBytes);
++ n_bytes = nBlocks * sizeof(yaffs_block_info_t);
++ ok = (yaffs2_checkpt_wr(dev, dev->block_info, n_bytes) == n_bytes);
+ }
+
+ /* Write chunk bits */
+ if (ok) {
-+ nBytes = nBlocks * dev->chunkBitmapStride;
-+ ok = (yaffs2_CheckpointWrite(dev, dev->chunkBits, nBytes) == nBytes);
++ n_bytes = nBlocks * dev->chunk_bit_stride;
++ ok = (yaffs2_checkpt_wr(dev, dev->chunk_bits, n_bytes) == n_bytes);
+ }
+ return ok ? 1 : 0;
+
+}
+
-+static int yaffs2_ReadCheckpointDevice(yaffs_Device *dev)
++static int yaffs2_rd_checkpt_dev(yaffs_dev_t *dev)
+{
-+ yaffs_CheckpointDevice cp;
-+ __u32 nBytes;
-+ __u32 nBlocks = (dev->internalEndBlock - dev->internalStartBlock + 1);
++ yaffs_checkpt_dev_t cp;
++ __u32 n_bytes;
++ __u32 nBlocks = (dev->internal_end_block - dev->internal_start_block + 1);
+
+ int ok;
+
-+ ok = (yaffs2_CheckpointRead(dev, &cp, sizeof(cp)) == sizeof(cp));
++ ok = (yaffs2_checkpt_rd(dev, &cp, sizeof(cp)) == sizeof(cp));
+ if (!ok)
+ return 0;
+
-+ if (cp.structType != sizeof(cp))
++ if (cp.struct_type != sizeof(cp))
+ return 0;
+
+
-+ yaffs2_CheckpointDeviceToDevice(dev, &cp);
++ yaffs_checkpt_dev_to_dev(dev, &cp);
+
-+ nBytes = nBlocks * sizeof(yaffs_BlockInfo);
++ n_bytes = nBlocks * sizeof(yaffs_block_info_t);
+
-+ ok = (yaffs2_CheckpointRead(dev, dev->blockInfo, nBytes) == nBytes);
++ ok = (yaffs2_checkpt_rd(dev, dev->block_info, n_bytes) == n_bytes);
+
+ if (!ok)
+ return 0;
-+ nBytes = nBlocks * dev->chunkBitmapStride;
++ n_bytes = nBlocks * dev->chunk_bit_stride;
+
-+ ok = (yaffs2_CheckpointRead(dev, dev->chunkBits, nBytes) == nBytes);
++ ok = (yaffs2_checkpt_rd(dev, dev->chunk_bits, n_bytes) == n_bytes);
+
+ return ok ? 1 : 0;
+}
+
-+static void yaffs2_ObjectToCheckpointObject(yaffs_CheckpointObject *cp,
-+ yaffs_Object *obj)
++static void yaffs2_obj_checkpt_obj(yaffs_checkpt_obj_t *cp,
++ yaffs_obj_t *obj)
+{
+
-+ cp->objectId = obj->objectId;
-+ cp->parentId = (obj->parent) ? obj->parent->objectId : 0;
-+ cp->hdrChunk = obj->hdrChunk;
-+ cp->variantType = obj->variantType;
++ cp->obj_id = obj->obj_id;
++ cp->parent_id = (obj->parent) ? obj->parent->obj_id : 0;
++ cp->hdr_chunk = obj->hdr_chunk;
++ cp->variant_type = obj->variant_type;
+ cp->deleted = obj->deleted;
-+ cp->softDeleted = obj->softDeleted;
++ cp->soft_del = obj->soft_del;
+ cp->unlinked = obj->unlinked;
+ cp->fake = obj->fake;
-+ cp->renameAllowed = obj->renameAllowed;
-+ cp->unlinkAllowed = obj->unlinkAllowed;
++ cp->rename_allowed = obj->rename_allowed;
++ cp->unlink_allowed = obj->unlink_allowed;
+ cp->serial = obj->serial;
-+ cp->nDataChunks = obj->nDataChunks;
++ cp->n_data_chunks = obj->n_data_chunks;
+
-+ if (obj->variantType == YAFFS_OBJECT_TYPE_FILE)
-+ cp->fileSizeOrEquivalentObjectId = obj->variant.fileVariant.fileSize;
-+ else if (obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK)
-+ cp->fileSizeOrEquivalentObjectId = obj->variant.hardLinkVariant.equivalentObjectId;
++ if (obj->variant_type == YAFFS_OBJECT_TYPE_FILE)
++ cp->size_or_equiv_obj = obj->variant.file_variant.file_size;
++ else if (obj->variant_type == YAFFS_OBJECT_TYPE_HARDLINK)
++ cp->size_or_equiv_obj = obj->variant.hardlink_variant.equiv_id;
+}
+
-+static int yaffs2_CheckpointObjectToObject(yaffs_Object *obj, yaffs_CheckpointObject *cp)
++static int taffs2_checkpt_obj_to_obj(yaffs_obj_t *obj, yaffs_checkpt_obj_t *cp)
+{
+
-+ yaffs_Object *parent;
++ yaffs_obj_t *parent;
+
-+ if (obj->variantType != cp->variantType) {
++ if (obj->variant_type != cp->variant_type) {
+ T(YAFFS_TRACE_ERROR, (TSTR("Checkpoint read object %d type %d "
+ TCONT("chunk %d does not match existing object type %d")
-+ TENDSTR), cp->objectId, cp->variantType, cp->hdrChunk,
-+ obj->variantType));
++ TENDSTR), cp->obj_id, cp->variant_type, cp->hdr_chunk,
++ obj->variant_type));
+ return 0;
+ }
+
-+ obj->objectId = cp->objectId;
++ obj->obj_id = cp->obj_id;
+
-+ if (cp->parentId)
-+ parent = yaffs_FindOrCreateObjectByNumber(
-+ obj->myDev,
-+ cp->parentId,
++ if (cp->parent_id)
++ parent = yaffs_find_or_create_by_number(
++ obj->my_dev,
++ cp->parent_id,
+ YAFFS_OBJECT_TYPE_DIRECTORY);
+ else
+ parent = NULL;
+
+ if (parent) {
-+ if (parent->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) {
++ if (parent->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) {
+ T(YAFFS_TRACE_ALWAYS, (TSTR("Checkpoint read object %d parent %d type %d"
+ TCONT(" chunk %d Parent type, %d, not directory")
+ TENDSTR),
-+ cp->objectId, cp->parentId, cp->variantType,
-+ cp->hdrChunk, parent->variantType));
++ cp->obj_id, cp->parent_id, cp->variant_type,
++ cp->hdr_chunk, parent->variant_type));
+ return 0;
+ }
-+ yaffs_AddObjectToDirectory(parent, obj);
++ yaffs_add_obj_to_dir(parent, obj);
+ }
+
-+ obj->hdrChunk = cp->hdrChunk;
-+ obj->variantType = cp->variantType;
++ obj->hdr_chunk = cp->hdr_chunk;
++ obj->variant_type = cp->variant_type;
+ obj->deleted = cp->deleted;
-+ obj->softDeleted = cp->softDeleted;
++ obj->soft_del = cp->soft_del;
+ obj->unlinked = cp->unlinked;
+ obj->fake = cp->fake;
-+ obj->renameAllowed = cp->renameAllowed;
-+ obj->unlinkAllowed = cp->unlinkAllowed;
++ obj->rename_allowed = cp->rename_allowed;
++ obj->unlink_allowed = cp->unlink_allowed;
+ obj->serial = cp->serial;
-+ obj->nDataChunks = cp->nDataChunks;
++ obj->n_data_chunks = cp->n_data_chunks;
+
-+ if (obj->variantType == YAFFS_OBJECT_TYPE_FILE)
-+ obj->variant.fileVariant.fileSize = cp->fileSizeOrEquivalentObjectId;
-+ else if (obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK)
-+ obj->variant.hardLinkVariant.equivalentObjectId = cp->fileSizeOrEquivalentObjectId;
++ if (obj->variant_type == YAFFS_OBJECT_TYPE_FILE)
++ obj->variant.file_variant.file_size = cp->size_or_equiv_obj;
++ else if (obj->variant_type == YAFFS_OBJECT_TYPE_HARDLINK)
++ obj->variant.hardlink_variant.equiv_id = cp->size_or_equiv_obj;
+
-+ if (obj->hdrChunk > 0)
-+ obj->lazyLoaded = 1;
++ if (obj->hdr_chunk > 0)
++ obj->lazy_loaded = 1;
+ return 1;
+}
+
+
+
-+static int yaffs2_CheckpointTnodeWorker(yaffs_Object *in, yaffs_Tnode *tn,
-+ __u32 level, int chunkOffset)
++static int yaffs2_checkpt_tnode_worker(yaffs_obj_t *in, yaffs_tnode_t *tn,
++ __u32 level, int chunk_offset)
+{
+ int i;
-+ yaffs_Device *dev = in->myDev;
++ yaffs_dev_t *dev = in->my_dev;
+ int ok = 1;
+
+ if (tn) {
@@ -22441,17 +25679,17 @@
+
+ for (i = 0; i < YAFFS_NTNODES_INTERNAL && ok; i++) {
+ if (tn->internal[i]) {
-+ ok = yaffs2_CheckpointTnodeWorker(in,
++ ok = yaffs2_checkpt_tnode_worker(in,
+ tn->internal[i],
+ level - 1,
-+ (chunkOffset<<YAFFS_TNODES_INTERNAL_BITS) + i);
++ (chunk_offset<<YAFFS_TNODES_INTERNAL_BITS) + i);
+ }
+ }
+ } else if (level == 0) {
-+ __u32 baseOffset = chunkOffset << YAFFS_TNODES_LEVEL0_BITS;
-+ ok = (yaffs2_CheckpointWrite(dev, &baseOffset, sizeof(baseOffset)) == sizeof(baseOffset));
++ __u32 baseOffset = chunk_offset << YAFFS_TNODES_LEVEL0_BITS;
++ ok = (yaffs2_checkpt_wr(dev, &baseOffset, sizeof(baseOffset)) == sizeof(baseOffset));
+ if (ok)
-+ ok = (yaffs2_CheckpointWrite(dev, tn, dev->tnodeSize) == dev->tnodeSize);
++ ok = (yaffs2_checkpt_wr(dev, tn, dev->tnode_size) == dev->tnode_size);
+ }
+ }
+
@@ -22459,54 +25697,54 @@
+
+}
+
-+static int yaffs2_WriteCheckpointTnodes(yaffs_Object *obj)
++static int yaffs2_wr_checkpt_tnodes(yaffs_obj_t *obj)
+{
+ __u32 endMarker = ~0;
+ int ok = 1;
+
-+ if (obj->variantType == YAFFS_OBJECT_TYPE_FILE) {
-+ ok = yaffs2_CheckpointTnodeWorker(obj,
-+ obj->variant.fileVariant.top,
-+ obj->variant.fileVariant.topLevel,
++ if (obj->variant_type == YAFFS_OBJECT_TYPE_FILE) {
++ ok = yaffs2_checkpt_tnode_worker(obj,
++ obj->variant.file_variant.top,
++ obj->variant.file_variant.top_level,
+ 0);
+ if (ok)
-+ ok = (yaffs2_CheckpointWrite(obj->myDev, &endMarker, sizeof(endMarker)) ==
++ ok = (yaffs2_checkpt_wr(obj->my_dev, &endMarker, sizeof(endMarker)) ==
+ sizeof(endMarker));
+ }
+
+ return ok ? 1 : 0;
+}
+
-+static int yaffs2_ReadCheckpointTnodes(yaffs_Object *obj)
++static int yaffs2_rd_checkpt_tnodes(yaffs_obj_t *obj)
+{
+ __u32 baseChunk;
+ int ok = 1;
-+ yaffs_Device *dev = obj->myDev;
-+ yaffs_FileStructure *fileStructPtr = &obj->variant.fileVariant;
-+ yaffs_Tnode *tn;
++ yaffs_dev_t *dev = obj->my_dev;
++ yaffs_file_s *fileStructPtr = &obj->variant.file_variant;
++ yaffs_tnode_t *tn;
+ int nread = 0;
+
-+ ok = (yaffs2_CheckpointRead(dev, &baseChunk, sizeof(baseChunk)) == sizeof(baseChunk));
++ ok = (yaffs2_checkpt_rd(dev, &baseChunk, sizeof(baseChunk)) == sizeof(baseChunk));
+
+ while (ok && (~baseChunk)) {
+ nread++;
+ /* Read level 0 tnode */
+
+
-+ tn = yaffs_GetTnode(dev);
++ tn = yaffs_get_tnode(dev);
+ if (tn){
-+ ok = (yaffs2_CheckpointRead(dev, tn, dev->tnodeSize) == dev->tnodeSize);
++ ok = (yaffs2_checkpt_rd(dev, tn, dev->tnode_size) == dev->tnode_size);
+ } else
+ ok = 0;
+
+ if (tn && ok)
-+ ok = yaffs_AddOrFindLevel0Tnode(dev,
++ ok = yaffs_add_find_tnode_0(dev,
+ fileStructPtr,
+ baseChunk,
+ tn) ? 1 : 0;
+
+ if (ok)
-+ ok = (yaffs2_CheckpointRead(dev, &baseChunk, sizeof(baseChunk)) == sizeof(baseChunk));
++ ok = (yaffs2_checkpt_rd(dev, &baseChunk, sizeof(baseChunk)) == sizeof(baseChunk));
+
+ }
+
@@ -22518,10 +25756,10 @@
+}
+
+
-+static int yaffs2_WriteCheckpointObjects(yaffs_Device *dev)
++static int yaffs2_wr_checkpt_objs(yaffs_dev_t *dev)
+{
-+ yaffs_Object *obj;
-+ yaffs_CheckpointObject cp;
++ yaffs_obj_t *obj;
++ yaffs_checkpt_obj_t cp;
+ int i;
+ int ok = 1;
+ struct ylist_head *lh;
@@ -22532,69 +25770,69 @@
+ */
+
+ for (i = 0; ok && i < YAFFS_NOBJECT_BUCKETS; i++) {
-+ ylist_for_each(lh, &dev->objectBucket[i].list) {
++ ylist_for_each(lh, &dev->obj_bucket[i].list) {
+ if (lh) {
-+ obj = ylist_entry(lh, yaffs_Object, hashLink);
-+ if (!obj->deferedFree) {
-+ yaffs2_ObjectToCheckpointObject(&cp, obj);
-+ cp.structType = sizeof(cp);
++ obj = ylist_entry(lh, yaffs_obj_t, hash_link);
++ if (!obj->defered_free) {
++ yaffs2_obj_checkpt_obj(&cp, obj);
++ cp.struct_type = sizeof(cp);
+
+ T(YAFFS_TRACE_CHECKPOINT, (
+ TSTR("Checkpoint write object %d parent %d type %d chunk %d obj addr %p" TENDSTR),
-+ cp.objectId, cp.parentId, cp.variantType, cp.hdrChunk, obj));
++ cp.obj_id, cp.parent_id, cp.variant_type, cp.hdr_chunk, obj));
+
-+ ok = (yaffs2_CheckpointWrite(dev, &cp, sizeof(cp)) == sizeof(cp));
++ ok = (yaffs2_checkpt_wr(dev, &cp, sizeof(cp)) == sizeof(cp));
+
-+ if (ok && obj->variantType == YAFFS_OBJECT_TYPE_FILE)
-+ ok = yaffs2_WriteCheckpointTnodes(obj);
++ if (ok && obj->variant_type == YAFFS_OBJECT_TYPE_FILE)
++ ok = yaffs2_wr_checkpt_tnodes(obj);
+ }
+ }
+ }
+ }
+
+ /* Dump end of list */
-+ memset(&cp, 0xFF, sizeof(yaffs_CheckpointObject));
-+ cp.structType = sizeof(cp);
++ memset(&cp, 0xFF, sizeof(yaffs_checkpt_obj_t));
++ cp.struct_type = sizeof(cp);
+
+ if (ok)
-+ ok = (yaffs2_CheckpointWrite(dev, &cp, sizeof(cp)) == sizeof(cp));
++ ok = (yaffs2_checkpt_wr(dev, &cp, sizeof(cp)) == sizeof(cp));
+
+ return ok ? 1 : 0;
+}
+
-+static int yaffs2_ReadCheckpointObjects(yaffs_Device *dev)
++static int yaffs2_rd_checkpt_objs(yaffs_dev_t *dev)
+{
-+ yaffs_Object *obj;
-+ yaffs_CheckpointObject cp;
++ yaffs_obj_t *obj;
++ yaffs_checkpt_obj_t cp;
+ int ok = 1;
+ int done = 0;
-+ yaffs_Object *hardList = NULL;
++ yaffs_obj_t *hard_list = NULL;
+
+ while (ok && !done) {
-+ ok = (yaffs2_CheckpointRead(dev, &cp, sizeof(cp)) == sizeof(cp));
-+ if (cp.structType != sizeof(cp)) {
++ ok = (yaffs2_checkpt_rd(dev, &cp, sizeof(cp)) == sizeof(cp));
++ if (cp.struct_type != sizeof(cp)) {
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("struct size %d instead of %d ok %d"TENDSTR),
-+ cp.structType, (int)sizeof(cp), ok));
++ cp.struct_type, (int)sizeof(cp), ok));
+ ok = 0;
+ }
+
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("Checkpoint read object %d parent %d type %d chunk %d " TENDSTR),
-+ cp.objectId, cp.parentId, cp.variantType, cp.hdrChunk));
++ cp.obj_id, cp.parent_id, cp.variant_type, cp.hdr_chunk));
+
-+ if (ok && cp.objectId == ~0)
++ if (ok && cp.obj_id == ~0)
+ done = 1;
+ else if (ok) {
-+ obj = yaffs_FindOrCreateObjectByNumber(dev, cp.objectId, cp.variantType);
++ obj = yaffs_find_or_create_by_number(dev, cp.obj_id, cp.variant_type);
+ if (obj) {
-+ ok = yaffs2_CheckpointObjectToObject(obj, &cp);
++ ok = taffs2_checkpt_obj_to_obj(obj, &cp);
+ if (!ok)
+ break;
-+ if (obj->variantType == YAFFS_OBJECT_TYPE_FILE) {
-+ ok = yaffs2_ReadCheckpointTnodes(obj);
-+ } else if (obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK) {
-+ obj->hardLinks.next =
-+ (struct ylist_head *) hardList;
-+ hardList = obj;
++ if (obj->variant_type == YAFFS_OBJECT_TYPE_FILE) {
++ ok = yaffs2_rd_checkpt_tnodes(obj);
++ } else if (obj->variant_type == YAFFS_OBJECT_TYPE_HARDLINK) {
++ obj->hard_links.next =
++ (struct ylist_head *) hard_list;
++ hard_list = obj;
+ }
+ } else
+ ok = 0;
@@ -22602,19 +25840,19 @@
+ }
+
+ if (ok)
-+ yaffs_HardlinkFixup(dev, hardList);
++ yaffs_link_fixup(dev, hard_list);
+
+ return ok ? 1 : 0;
+}
+
-+static int yaffs2_WriteCheckpointSum(yaffs_Device *dev)
++static int yaffs2_wr_checkpt_sum(yaffs_dev_t *dev)
+{
-+ __u32 checkpointSum;
++ __u32 checkpt_sum;
+ int ok;
+
-+ yaffs2_GetCheckpointSum(dev, &checkpointSum);
++ yaffs2_get_checkpt_sum(dev, &checkpt_sum);
+
-+ ok = (yaffs2_CheckpointWrite(dev, &checkpointSum, sizeof(checkpointSum)) == sizeof(checkpointSum));
++ ok = (yaffs2_checkpt_wr(dev, &checkpt_sum, sizeof(checkpt_sum)) == sizeof(checkpt_sum));
+
+ if (!ok)
+ return 0;
@@ -22622,168 +25860,168 @@
+ return 1;
+}
+
-+static int yaffs2_ReadCheckpointSum(yaffs_Device *dev)
++static int yaffs2_rd_checkpt_sum(yaffs_dev_t *dev)
+{
-+ __u32 checkpointSum0;
-+ __u32 checkpointSum1;
++ __u32 checkpt_sum0;
++ __u32 checkpt_sum1;
+ int ok;
+
-+ yaffs2_GetCheckpointSum(dev, &checkpointSum0);
++ yaffs2_get_checkpt_sum(dev, &checkpt_sum0);
+
-+ ok = (yaffs2_CheckpointRead(dev, &checkpointSum1, sizeof(checkpointSum1)) == sizeof(checkpointSum1));
++ ok = (yaffs2_checkpt_rd(dev, &checkpt_sum1, sizeof(checkpt_sum1)) == sizeof(checkpt_sum1));
+
+ if (!ok)
+ return 0;
+
-+ if (checkpointSum0 != checkpointSum1)
++ if (checkpt_sum0 != checkpt_sum1)
+ return 0;
+
+ return 1;
+}
+
+
-+static int yaffs2_WriteCheckpointData(yaffs_Device *dev)
++static int yaffs2_wr_checkpt_data(yaffs_dev_t *dev)
+{
+ int ok = 1;
+
-+ if (!yaffs2_CheckpointRequired(dev)) {
++ if (!yaffs2_checkpt_required(dev)) {
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("skipping checkpoint write" TENDSTR)));
+ ok = 0;
+ }
+
+ if (ok)
-+ ok = yaffs2_CheckpointOpen(dev, 1);
++ ok = yaffs2_checkpt_open(dev, 1);
+
+ if (ok) {
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("write checkpoint validity" TENDSTR)));
-+ ok = yaffs2_WriteCheckpointValidityMarker(dev, 1);
++ ok = yaffs2_wr_checkpt_validity_marker(dev, 1);
+ }
+ if (ok) {
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("write checkpoint device" TENDSTR)));
-+ ok = yaffs2_WriteCheckpointDevice(dev);
++ ok = yaffs2_wr_checkpt_dev(dev);
+ }
+ if (ok) {
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("write checkpoint objects" TENDSTR)));
-+ ok = yaffs2_WriteCheckpointObjects(dev);
++ ok = yaffs2_wr_checkpt_objs(dev);
+ }
+ if (ok) {
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("write checkpoint validity" TENDSTR)));
-+ ok = yaffs2_WriteCheckpointValidityMarker(dev, 0);
++ ok = yaffs2_wr_checkpt_validity_marker(dev, 0);
+ }
+
+ if (ok)
-+ ok = yaffs2_WriteCheckpointSum(dev);
++ ok = yaffs2_wr_checkpt_sum(dev);
+
-+ if (!yaffs2_CheckpointClose(dev))
++ if (!yaffs_checkpt_close(dev))
+ ok = 0;
+
+ if (ok)
-+ dev->isCheckpointed = 1;
++ dev->is_checkpointed = 1;
+ else
-+ dev->isCheckpointed = 0;
++ dev->is_checkpointed = 0;
+
-+ return dev->isCheckpointed;
++ return dev->is_checkpointed;
+}
+
-+static int yaffs2_ReadCheckpointData(yaffs_Device *dev)
++static int yaffs2_rd_checkpt_data(yaffs_dev_t *dev)
+{
+ int ok = 1;
+
-+ if(!dev->param.isYaffs2)
++ if(!dev->param.is_yaffs2)
+ ok = 0;
+
-+ if (ok && dev->param.skipCheckpointRead) {
++ if (ok && dev->param.skip_checkpt_rd) {
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("skipping checkpoint read" TENDSTR)));
+ ok = 0;
+ }
+
+ if (ok)
-+ ok = yaffs2_CheckpointOpen(dev, 0); /* open for read */
++ ok = yaffs2_checkpt_open(dev, 0); /* open for read */
+
+ if (ok) {
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("read checkpoint validity" TENDSTR)));
-+ ok = yaffs2_ReadCheckpointValidityMarker(dev, 1);
++ ok = yaffs2_rd_checkpt_validty_marker(dev, 1);
+ }
+ if (ok) {
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("read checkpoint device" TENDSTR)));
-+ ok = yaffs2_ReadCheckpointDevice(dev);
++ ok = yaffs2_rd_checkpt_dev(dev);
+ }
+ if (ok) {
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("read checkpoint objects" TENDSTR)));
-+ ok = yaffs2_ReadCheckpointObjects(dev);
++ ok = yaffs2_rd_checkpt_objs(dev);
+ }
+ if (ok) {
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("read checkpoint validity" TENDSTR)));
-+ ok = yaffs2_ReadCheckpointValidityMarker(dev, 0);
++ ok = yaffs2_rd_checkpt_validty_marker(dev, 0);
+ }
+
+ if (ok) {
-+ ok = yaffs2_ReadCheckpointSum(dev);
++ ok = yaffs2_rd_checkpt_sum(dev);
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("read checkpoint checksum %d" TENDSTR), ok));
+ }
+
-+ if (!yaffs2_CheckpointClose(dev))
++ if (!yaffs_checkpt_close(dev))
+ ok = 0;
+
+ if (ok)
-+ dev->isCheckpointed = 1;
++ dev->is_checkpointed = 1;
+ else
-+ dev->isCheckpointed = 0;
++ dev->is_checkpointed = 0;
+
+ return ok ? 1 : 0;
+
+}
+
-+void yaffs2_InvalidateCheckpoint(yaffs_Device *dev)
++void yaffs2_checkpt_invalidate(yaffs_dev_t *dev)
+{
-+ if (dev->isCheckpointed ||
-+ dev->blocksInCheckpoint > 0) {
-+ dev->isCheckpointed = 0;
-+ yaffs2_CheckpointInvalidateStream(dev);
++ if (dev->is_checkpointed ||
++ dev->blocks_in_checkpt > 0) {
++ dev->is_checkpointed = 0;
++ yaffs2_checkpt_invalidate_stream(dev);
+ }
-+ if (dev->param.markSuperBlockDirty)
-+ dev->param.markSuperBlockDirty(dev);
++ if (dev->param.sb_dirty_fn)
++ dev->param.sb_dirty_fn(dev);
+}
+
+
-+int yaffs_CheckpointSave(yaffs_Device *dev)
++int yaffs_checkpoint_save(yaffs_dev_t *dev)
+{
+
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("save entry: isCheckpointed %d"TENDSTR), dev->isCheckpointed));
++ T(YAFFS_TRACE_CHECKPOINT, (TSTR("save entry: is_checkpointed %d"TENDSTR), dev->is_checkpointed));
+
-+ yaffs_VerifyObjects(dev);
-+ yaffs_VerifyBlocks(dev);
-+ yaffs_VerifyFreeChunks(dev);
++ yaffs_verify_objects(dev);
++ yaffs_verify_blocks(dev);
++ yaffs_verify_free_chunks(dev);
+
-+ if (!dev->isCheckpointed) {
-+ yaffs2_InvalidateCheckpoint(dev);
-+ yaffs2_WriteCheckpointData(dev);
++ if (!dev->is_checkpointed) {
++ yaffs2_checkpt_invalidate(dev);
++ yaffs2_wr_checkpt_data(dev);
+ }
+
-+ T(YAFFS_TRACE_ALWAYS, (TSTR("save exit: isCheckpointed %d"TENDSTR), dev->isCheckpointed));
++ T(YAFFS_TRACE_ALWAYS, (TSTR("save exit: is_checkpointed %d"TENDSTR), dev->is_checkpointed));
+
-+ return dev->isCheckpointed;
++ return dev->is_checkpointed;
+}
+
-+int yaffs2_CheckpointRestore(yaffs_Device *dev)
++int yaffs2_checkpt_restore(yaffs_dev_t *dev)
+{
+ int retval;
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("restore entry: isCheckpointed %d"TENDSTR), dev->isCheckpointed));
++ T(YAFFS_TRACE_CHECKPOINT, (TSTR("restore entry: is_checkpointed %d"TENDSTR), dev->is_checkpointed));
+
-+ retval = yaffs2_ReadCheckpointData(dev);
++ retval = yaffs2_rd_checkpt_data(dev);
+
-+ if (dev->isCheckpointed) {
-+ yaffs_VerifyObjects(dev);
-+ yaffs_VerifyBlocks(dev);
-+ yaffs_VerifyFreeChunks(dev);
++ if (dev->is_checkpointed) {
++ yaffs_verify_objects(dev);
++ yaffs_verify_blocks(dev);
++ yaffs_verify_free_chunks(dev);
+ }
+
-+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("restore exit: isCheckpointed %d"TENDSTR), dev->isCheckpointed));
++ T(YAFFS_TRACE_CHECKPOINT, (TSTR("restore exit: is_checkpointed %d"TENDSTR), dev->is_checkpointed));
+
+ return retval;
+}
+
-+int yaffs2_HandleHole(yaffs_Object *obj, loff_t newSize)
++int yaffs2_handle_hole(yaffs_obj_t *obj, loff_t new_size)
+{
+ /* if newsSize > oldFileSize.
+ * We're going to be writing a hole.
@@ -22795,7 +26033,7 @@
+ int increase;
+ int smallHole ;
+ int result = YAFFS_OK;
-+ yaffs_Device *dev = NULL;
++ yaffs_dev_t *dev = NULL;
+
+ __u8 *localBuffer = NULL;
+
@@ -22804,44 +26042,44 @@
+ if(!obj)
+ return YAFFS_FAIL;
+
-+ if(obj->variantType != YAFFS_OBJECT_TYPE_FILE)
++ if(obj->variant_type != YAFFS_OBJECT_TYPE_FILE)
+ return YAFFS_FAIL;
+
-+ dev = obj->myDev;
++ dev = obj->my_dev;
+
+ /* Bail out if not yaffs2 mode */
-+ if(!dev->param.isYaffs2)
++ if(!dev->param.is_yaffs2)
+ return YAFFS_OK;
+
-+ oldFileSize = obj->variant.fileVariant.fileSize;
++ oldFileSize = obj->variant.file_variant.file_size;
+
-+ if (newSize <= oldFileSize)
++ if (new_size <= oldFileSize)
+ return YAFFS_OK;
+
-+ increase = newSize - oldFileSize;
++ increase = new_size - oldFileSize;
+
-+ if(increase < YAFFS_SMALL_HOLE_THRESHOLD * dev->nDataBytesPerChunk &&
-+ yaffs_CheckSpaceForAllocation(dev, YAFFS_SMALL_HOLE_THRESHOLD + 1))
++ if(increase < YAFFS_SMALL_HOLE_THRESHOLD * dev->data_bytes_per_chunk &&
++ yaffs_check_alloc_available(dev, YAFFS_SMALL_HOLE_THRESHOLD + 1))
+ smallHole = 1;
+ else
+ smallHole = 0;
+
+ if(smallHole)
-+ localBuffer= yaffs_GetTempBuffer(dev, __LINE__);
++ localBuffer= yaffs_get_temp_buffer(dev, __LINE__);
+
+ if(localBuffer){
+ /* fill hole with zero bytes */
+ int pos = oldFileSize;
+ int thisWrite;
+ int written;
-+ memset(localBuffer,0,dev->nDataBytesPerChunk);
++ memset(localBuffer,0,dev->data_bytes_per_chunk);
+ smallIncreaseOk = 1;
+
+ while(increase > 0 && smallIncreaseOk){
+ thisWrite = increase;
-+ if(thisWrite > dev->nDataBytesPerChunk)
-+ thisWrite = dev->nDataBytesPerChunk;
-+ written = yaffs_DoWriteDataToFile(obj,localBuffer,pos,thisWrite,0);
++ if(thisWrite > dev->data_bytes_per_chunk)
++ thisWrite = dev->data_bytes_per_chunk;
++ written = yaffs_do_file_wr(obj,localBuffer,pos,thisWrite,0);
+ if(written == thisWrite){
+ pos += thisWrite;
+ increase -= thisWrite;
@@ -22849,19 +26087,19 @@
+ smallIncreaseOk = 0;
+ }
+
-+ yaffs_ReleaseTempBuffer(dev,localBuffer,__LINE__);
++ yaffs_release_temp_buffer(dev,localBuffer,__LINE__);
+
+ /* If we were out of space then reverse any chunks we've added */
+ if(!smallIncreaseOk)
-+ yaffs_ResizeDown(obj, oldFileSize);
++ yaffs_resize_file_down(obj, oldFileSize);
+ }
+
+ if (!smallIncreaseOk &&
+ obj->parent &&
-+ obj->parent->objectId != YAFFS_OBJECTID_UNLINKED &&
-+ obj->parent->objectId != YAFFS_OBJECTID_DELETED){
++ obj->parent->obj_id != YAFFS_OBJECTID_UNLINKED &&
++ obj->parent->obj_id != YAFFS_OBJECTID_DELETED){
+ /* Write a hole start header with the old file size */
-+ yaffs_UpdateObjectHeader(obj, NULL, 0, 1, 0, NULL);
++ yaffs_update_oh(obj, NULL, 0, 1, 0, NULL);
+ }
+
+ return result;
@@ -22887,9 +26125,9 @@
+ return aseq - bseq;
+}
+
-+int yaffs2_ScanBackwards(yaffs_Device *dev)
++int yaffs2_scan_backwards(yaffs_dev_t *dev)
+{
-+ yaffs_ExtendedTags tags;
++ yaffs_ext_tags tags;
+ int blk;
+ int blockIterator;
+ int startIterator;
@@ -22900,21 +26138,21 @@
+ int result;
+ int c;
+ int deleted;
-+ yaffs_BlockState state;
-+ yaffs_Object *hardList = NULL;
-+ yaffs_BlockInfo *bi;
-+ __u32 sequenceNumber;
-+ yaffs_ObjectHeader *oh;
-+ yaffs_Object *in;
-+ yaffs_Object *parent;
-+ int nBlocks = dev->internalEndBlock - dev->internalStartBlock + 1;
++ yaffs_block_state_t state;
++ yaffs_obj_t *hard_list = NULL;
++ yaffs_block_info_t *bi;
++ __u32 seq_number;
++ yaffs_obj_header *oh;
++ yaffs_obj_t *in;
++ yaffs_obj_t *parent;
++ int nBlocks = dev->internal_end_block - dev->internal_start_block + 1;
+ int itsUnlinked;
+ __u8 *chunkData;
+
-+ int fileSize;
-+ int isShrink;
++ int file_size;
++ int is_shrink;
+ int foundChunksInBlock;
-+ int equivalentObjectId;
++ int equiv_id;
+ int alloc_failed = 0;
+
+
@@ -22923,11 +26161,11 @@
+
+ T(YAFFS_TRACE_SCAN,
+ (TSTR
-+ ("yaffs2_ScanBackwards starts intstartblk %d intendblk %d..."
-+ TENDSTR), dev->internalStartBlock, dev->internalEndBlock));
++ ("yaffs2_scan_backwards starts intstartblk %d intendblk %d..."
++ TENDSTR), dev->internal_start_block, dev->internal_end_block));
+
+
-+ dev->sequenceNumber = YAFFS_LOWEST_SEQUENCE_NUMBER;
++ dev->seq_number = YAFFS_LOWEST_SEQUENCE_NUMBER;
+
+ blockIndex = YMALLOC(nBlocks * sizeof(yaffs_BlockIndex));
+
@@ -22938,38 +26176,38 @@
+
+ if (!blockIndex) {
+ T(YAFFS_TRACE_SCAN,
-+ (TSTR("yaffs2_ScanBackwards() could not allocate block index!" TENDSTR)));
++ (TSTR("yaffs2_scan_backwards() could not allocate block index!" TENDSTR)));
+ return YAFFS_FAIL;
+ }
+
-+ dev->blocksInCheckpoint = 0;
++ dev->blocks_in_checkpt = 0;
+
-+ chunkData = yaffs_GetTempBuffer(dev, __LINE__);
++ chunkData = yaffs_get_temp_buffer(dev, __LINE__);
+
+ /* Scan all the blocks to determine their state */
-+ bi = dev->blockInfo;
-+ for (blk = dev->internalStartBlock; blk <= dev->internalEndBlock; blk++) {
-+ yaffs_ClearChunkBits(dev, blk);
-+ bi->pagesInUse = 0;
-+ bi->softDeletions = 0;
++ bi = dev->block_info;
++ for (blk = dev->internal_start_block; blk <= dev->internal_end_block; blk++) {
++ yaffs_clear_chunk_bits(dev, blk);
++ bi->pages_in_use = 0;
++ bi->soft_del_pages = 0;
+
-+ yaffs_QueryInitialBlockState(dev, blk, &state, &sequenceNumber);
++ yaffs_query_init_block_state(dev, blk, &state, &seq_number);
+
-+ bi->blockState = state;
-+ bi->sequenceNumber = sequenceNumber;
++ bi->block_state = state;
++ bi->seq_number = seq_number;
+
-+ if (bi->sequenceNumber == YAFFS_SEQUENCE_CHECKPOINT_DATA)
-+ bi->blockState = state = YAFFS_BLOCK_STATE_CHECKPOINT;
-+ if (bi->sequenceNumber == YAFFS_SEQUENCE_BAD_BLOCK)
-+ bi->blockState = state = YAFFS_BLOCK_STATE_DEAD;
++ if (bi->seq_number == YAFFS_SEQUENCE_CHECKPOINT_DATA)
++ bi->block_state = state = YAFFS_BLOCK_STATE_CHECKPOINT;
++ if (bi->seq_number == YAFFS_SEQUENCE_BAD_BLOCK)
++ bi->block_state = state = YAFFS_BLOCK_STATE_DEAD;
+
+ T(YAFFS_TRACE_SCAN_DEBUG,
+ (TSTR("Block scanning block %d state %d seq %d" TENDSTR), blk,
-+ state, sequenceNumber));
++ state, seq_number));
+
+
+ if (state == YAFFS_BLOCK_STATE_CHECKPOINT) {
-+ dev->blocksInCheckpoint++;
++ dev->blocks_in_checkpt++;
+
+ } else if (state == YAFFS_BLOCK_STATE_DEAD) {
+ T(YAFFS_TRACE_BAD_BLOCKS,
@@ -22977,27 +26215,27 @@
+ } else if (state == YAFFS_BLOCK_STATE_EMPTY) {
+ T(YAFFS_TRACE_SCAN_DEBUG,
+ (TSTR("Block empty " TENDSTR)));
-+ dev->nErasedBlocks++;
-+ dev->nFreeChunks += dev->param.nChunksPerBlock;
++ dev->n_erased_blocks++;
++ dev->n_free_chunks += dev->param.chunks_per_block;
+ } else if (state == YAFFS_BLOCK_STATE_NEEDS_SCANNING) {
+
+ /* Determine the highest sequence number */
-+ if (sequenceNumber >= YAFFS_LOWEST_SEQUENCE_NUMBER &&
-+ sequenceNumber < YAFFS_HIGHEST_SEQUENCE_NUMBER) {
++ if (seq_number >= YAFFS_LOWEST_SEQUENCE_NUMBER &&
++ seq_number < YAFFS_HIGHEST_SEQUENCE_NUMBER) {
+
-+ blockIndex[nBlocksToScan].seq = sequenceNumber;
++ blockIndex[nBlocksToScan].seq = seq_number;
+ blockIndex[nBlocksToScan].block = blk;
+
+ nBlocksToScan++;
+
-+ if (sequenceNumber >= dev->sequenceNumber)
-+ dev->sequenceNumber = sequenceNumber;
++ if (seq_number >= dev->seq_number)
++ dev->seq_number = seq_number;
+ } else {
+ /* TODO: Nasty sequence number! */
+ T(YAFFS_TRACE_SCAN,
+ (TSTR
+ ("Block scanning block %d has bad sequence number %d"
-+ TENDSTR), blk, sequenceNumber));
++ TENDSTR), blk, seq_number));
+
+ }
+ }
@@ -23034,16 +26272,16 @@
+ /* get the block to scan in the correct order */
+ blk = blockIndex[blockIterator].block;
+
-+ bi = yaffs_GetBlockInfo(dev, blk);
++ bi = yaffs_get_block_info(dev, blk);
+
+
-+ state = bi->blockState;
++ state = bi->block_state;
+
+ deleted = 0;
+
+ /* For each chunk in each block that needs scanning.... */
+ foundChunksInBlock = 0;
-+ for (c = dev->param.nChunksPerBlock - 1;
++ for (c = dev->param.chunks_per_block - 1;
+ !alloc_failed && c >= 0 &&
+ (state == YAFFS_BLOCK_STATE_NEEDS_SCANNING ||
+ state == YAFFS_BLOCK_STATE_ALLOCATING); c--) {
@@ -23051,14 +26289,14 @@
+ * Read the tags and decide what to do
+ */
+
-+ chunk = blk * dev->param.nChunksPerBlock + c;
++ chunk = blk * dev->param.chunks_per_block + c;
+
-+ result = yaffs_ReadChunkWithTagsFromNAND(dev, chunk, NULL,
++ result = yaffs_rd_chunk_tags_nand(dev, chunk, NULL,
+ &tags);
+
+ /* Let's have a good look at this chunk... */
+
-+ if (!tags.chunkUsed) {
++ if (!tags.chunk_used) {
+ /* An unassigned chunk in the block.
+ * If there are used chunks after this one, then
+ * it is a chunk that was skipped due to failing the erased
@@ -23073,11 +26311,11 @@
+ } else if (c == 0) {
+ /* We're looking at the first chunk in the block so the block is unused */
+ state = YAFFS_BLOCK_STATE_EMPTY;
-+ dev->nErasedBlocks++;
++ dev->n_erased_blocks++;
+ } else {
+ if (state == YAFFS_BLOCK_STATE_NEEDS_SCANNING ||
+ state == YAFFS_BLOCK_STATE_ALLOCATING) {
-+ if (dev->sequenceNumber == bi->sequenceNumber) {
++ if (dev->seq_number == bi->seq_number) {
+ /* this is the block being allocated from */
+
+ T(YAFFS_TRACE_SCAN,
@@ -23086,9 +26324,9 @@
+ TENDSTR), blk, c));
+
+ state = YAFFS_BLOCK_STATE_ALLOCATING;
-+ dev->allocationBlock = blk;
-+ dev->allocationPage = c;
-+ dev->allocationBlockFinder = blk;
++ dev->alloc_block = blk;
++ dev->alloc_page = c;
++ dev->alloc_block_finder = blk;
+ } else {
+ /* This is a partially written block that is not
+ * the current allocation block.
@@ -23101,40 +26339,40 @@
+ }
+ }
+
-+ dev->nFreeChunks++;
++ dev->n_free_chunks++;
+
-+ } else if (tags.eccResult == YAFFS_ECC_RESULT_UNFIXED) {
++ } else if (tags.ecc_result == YAFFS_ECC_RESULT_UNFIXED) {
+ T(YAFFS_TRACE_SCAN,
+ (TSTR(" Unfixed ECC in chunk(%d:%d), chunk ignored"TENDSTR),
+ blk, c));
+
-+ dev->nFreeChunks++;
++ dev->n_free_chunks++;
+
-+ } else if (tags.objectId > YAFFS_MAX_OBJECT_ID ||
-+ tags.chunkId > YAFFS_MAX_CHUNK_ID ||
-+ (tags.chunkId > 0 && tags.byteCount > dev->nDataBytesPerChunk) ||
-+ tags.sequenceNumber != bi->sequenceNumber ) {
++ } else if (tags.obj_id > YAFFS_MAX_OBJECT_ID ||
++ tags.chunk_id > YAFFS_MAX_CHUNK_ID ||
++ (tags.chunk_id > 0 && tags.n_bytes > dev->data_bytes_per_chunk) ||
++ tags.seq_number != bi->seq_number ) {
+ T(YAFFS_TRACE_SCAN,
-+ (TSTR("Chunk (%d:%d) with bad tags:obj = %d, chunkId = %d, byteCount = %d, ignored"TENDSTR),
-+ blk, c,tags.objectId, tags.chunkId, tags.byteCount));
++ (TSTR("Chunk (%d:%d) with bad tags:obj = %d, chunk_id = %d, n_bytes = %d, ignored"TENDSTR),
++ blk, c,tags.obj_id, tags.chunk_id, tags.n_bytes));
+
-+ dev->nFreeChunks++;
++ dev->n_free_chunks++;
+
-+ } else if (tags.chunkId > 0) {
-+ /* chunkId > 0 so it is a data chunk... */
++ } else if (tags.chunk_id > 0) {
++ /* chunk_id > 0 so it is a data chunk... */
+ unsigned int endpos;
+ __u32 chunkBase =
-+ (tags.chunkId - 1) * dev->nDataBytesPerChunk;
++ (tags.chunk_id - 1) * dev->data_bytes_per_chunk;
+
+ foundChunksInBlock = 1;
+
+
-+ yaffs_SetChunkBit(dev, blk, c);
-+ bi->pagesInUse++;
++ yaffs_set_chunk_bit(dev, blk, c);
++ bi->pages_in_use++;
+
-+ in = yaffs_FindOrCreateObjectByNumber(dev,
++ in = yaffs_find_or_create_by_number(dev,
+ tags.
-+ objectId,
++ obj_id,
+ YAFFS_OBJECT_TYPE_FILE);
+ if (!in) {
+ /* Out of memory */
@@ -23142,77 +26380,77 @@
+ }
+
+ if (in &&
-+ in->variantType == YAFFS_OBJECT_TYPE_FILE
-+ && chunkBase < in->variant.fileVariant.shrinkSize) {
++ in->variant_type == YAFFS_OBJECT_TYPE_FILE
++ && chunkBase < in->variant.file_variant.shrink_size) {
+ /* This has not been invalidated by a resize */
-+ if (!yaffs_PutChunkIntoFile(in, tags.chunkId, chunk, -1)) {
++ if (!yaffs_put_chunk_in_file(in, tags.chunk_id, chunk, -1)) {
+ alloc_failed = 1;
+ }
+
+ /* File size is calculated by looking at the data chunks if we have not
+ * seen an object header yet. Stop this practice once we find an object header.
+ */
-+ endpos = chunkBase + tags.byteCount;
++ endpos = chunkBase + tags.n_bytes;
+
+ if (!in->valid && /* have not got an object header yet */
-+ in->variant.fileVariant.scannedFileSize < endpos) {
-+ in->variant.fileVariant.scannedFileSize = endpos;
-+ in->variant.fileVariant.fileSize = endpos;
++ in->variant.file_variant.scanned_size < endpos) {
++ in->variant.file_variant.scanned_size = endpos;
++ in->variant.file_variant.file_size = endpos;
+ }
+
+ } else if (in) {
+ /* This chunk has been invalidated by a resize, or a past file deletion
+ * so delete the chunk*/
-+ yaffs_DeleteChunk(dev, chunk, 1, __LINE__);
++ yaffs_chunk_del(dev, chunk, 1, __LINE__);
+
+ }
+ } else {
-+ /* chunkId == 0, so it is an ObjectHeader.
++ /* chunk_id == 0, so it is an ObjectHeader.
+ * Thus, we read in the object header and make the object
+ */
+ foundChunksInBlock = 1;
+
-+ yaffs_SetChunkBit(dev, blk, c);
-+ bi->pagesInUse++;
++ yaffs_set_chunk_bit(dev, blk, c);
++ bi->pages_in_use++;
+
+ oh = NULL;
+ in = NULL;
+
-+ if (tags.extraHeaderInfoAvailable) {
-+ in = yaffs_FindOrCreateObjectByNumber(dev,
-+ tags.objectId,
-+ tags.extraObjectType);
++ if (tags.extra_available) {
++ in = yaffs_find_or_create_by_number(dev,
++ tags.obj_id,
++ tags.extra_obj_type);
+ if (!in)
+ alloc_failed = 1;
+ }
+
+ if (!in ||
-+ (!in->valid && dev->param.disableLazyLoad) ||
-+ tags.extraShadows ||
++ (!in->valid && dev->param.disable_lazy_load) ||
++ tags.extra_shadows ||
+ (!in->valid &&
-+ (tags.objectId == YAFFS_OBJECTID_ROOT ||
-+ tags.objectId == YAFFS_OBJECTID_LOSTNFOUND))) {
++ (tags.obj_id == YAFFS_OBJECTID_ROOT ||
++ tags.obj_id == YAFFS_OBJECTID_LOSTNFOUND))) {
+
+ /* If we don't have valid info then we need to read the chunk
+ * TODO In future we can probably defer reading the chunk and
+ * living with invalid data until needed.
+ */
+
-+ result = yaffs_ReadChunkWithTagsFromNAND(dev,
++ result = yaffs_rd_chunk_tags_nand(dev,
+ chunk,
+ chunkData,
+ NULL);
+
-+ oh = (yaffs_ObjectHeader *) chunkData;
++ oh = (yaffs_obj_header *) chunkData;
+
-+ if (dev->param.inbandTags) {
++ if (dev->param.inband_tags) {
+ /* Fix up the header if they got corrupted by inband tags */
-+ oh->shadowsObject = oh->inbandShadowsObject;
-+ oh->isShrink = oh->inbandIsShrink;
++ oh->shadows_obj = oh->inband_shadowed_obj_id;
++ oh->is_shrink = oh->inband_is_shrink;
+ }
+
+ if (!in) {
-+ in = yaffs_FindOrCreateObjectByNumber(dev, tags.objectId, oh->type);
++ in = yaffs_find_or_create_by_number(dev, tags.obj_id, oh->type);
+ if (!in)
+ alloc_failed = 1;
+ }
@@ -23224,7 +26462,7 @@
+ T(YAFFS_TRACE_ERROR,
+ (TSTR
+ ("yaffs tragedy: Could not make object for object %d at chunk %d during scan"
-+ TENDSTR), tags.objectId, chunk));
++ TENDSTR), tags.obj_id, chunk));
+ continue;
+ }
+
@@ -23234,61 +26472,61 @@
+ * we first have to suck out resize info if it is a file.
+ */
+
-+ if ((in->variantType == YAFFS_OBJECT_TYPE_FILE) &&
++ if ((in->variant_type == YAFFS_OBJECT_TYPE_FILE) &&
+ ((oh &&
+ oh->type == YAFFS_OBJECT_TYPE_FILE) ||
-+ (tags.extraHeaderInfoAvailable &&
-+ tags.extraObjectType == YAFFS_OBJECT_TYPE_FILE))) {
++ (tags.extra_available &&
++ tags.extra_obj_type == YAFFS_OBJECT_TYPE_FILE))) {
+ __u32 thisSize =
-+ (oh) ? oh->fileSize : tags.
-+ extraFileLength;
-+ __u32 parentObjectId =
++ (oh) ? oh->file_size : tags.
++ extra_length;
++ __u32 parent_obj_id =
+ (oh) ? oh->
-+ parentObjectId : tags.
-+ extraParentObjectId;
++ parent_obj_id : tags.
++ extra_parent_id;
+
+
-+ isShrink =
-+ (oh) ? oh->isShrink : tags.
-+ extraIsShrinkHeader;
++ is_shrink =
++ (oh) ? oh->is_shrink : tags.
++ extra_is_shrink;
+
+ /* If it is deleted (unlinked at start also means deleted)
+ * we treat the file size as being zeroed at this point.
+ */
-+ if (parentObjectId ==
++ if (parent_obj_id ==
+ YAFFS_OBJECTID_DELETED
-+ || parentObjectId ==
++ || parent_obj_id ==
+ YAFFS_OBJECTID_UNLINKED) {
+ thisSize = 0;
-+ isShrink = 1;
++ is_shrink = 1;
+ }
+
-+ if (isShrink && in->variant.fileVariant.shrinkSize > thisSize)
-+ in->variant.fileVariant.shrinkSize = thisSize;
++ if (is_shrink && in->variant.file_variant.shrink_size > thisSize)
++ in->variant.file_variant.shrink_size = thisSize;
+
-+ if (isShrink)
-+ bi->hasShrinkHeader = 1;
++ if (is_shrink)
++ bi->has_shrink_hdr = 1;
+
+ }
+ /* Use existing - destroy this one. */
-+ yaffs_DeleteChunk(dev, chunk, 1, __LINE__);
++ yaffs_chunk_del(dev, chunk, 1, __LINE__);
+
+ }
+
-+ if (!in->valid && in->variantType !=
-+ (oh ? oh->type : tags.extraObjectType))
++ if (!in->valid && in->variant_type !=
++ (oh ? oh->type : tags.extra_obj_type))
+ T(YAFFS_TRACE_ERROR, (
+ TSTR("yaffs tragedy: Bad object type, "
+ TCONT("%d != %d, for object %d at chunk ")
+ TCONT("%d during scan")
+ TENDSTR), oh ?
-+ oh->type : tags.extraObjectType,
-+ in->variantType, tags.objectId,
++ oh->type : tags.extra_obj_type,
++ in->variant_type, tags.obj_id,
+ chunk));
+
+ if (!in->valid &&
-+ (tags.objectId == YAFFS_OBJECTID_ROOT ||
-+ tags.objectId ==
++ (tags.obj_id == YAFFS_OBJECTID_ROOT ||
++ tags.obj_id ==
+ YAFFS_OBJECTID_LOSTNFOUND)) {
+ /* We only load some info, don't fiddle with directory structure */
+ in->valid = 1;
@@ -23311,22 +26549,22 @@
+ in->yst_ctime = oh->yst_ctime;
+ in->yst_rdev = oh->yst_rdev;
+
-+ in->lazyLoaded = 0;
++ in->lazy_loaded = 0;
+
+#endif
+ } else
-+ in->lazyLoaded = 1;
++ in->lazy_loaded = 1;
+
-+ in->hdrChunk = chunk;
++ in->hdr_chunk = chunk;
+
+ } else if (!in->valid) {
+ /* we need to load this info */
+
+ in->valid = 1;
-+ in->hdrChunk = chunk;
++ in->hdr_chunk = chunk;
+
+ if (oh) {
-+ in->variantType = oh->type;
++ in->variant_type = oh->type;
+
+ in->yst_mode = oh->yst_mode;
+#ifdef CONFIG_YAFFS_WINCE
@@ -23345,34 +26583,34 @@
+ in->yst_rdev = oh->yst_rdev;
+#endif
+
-+ if (oh->shadowsObject > 0)
-+ yaffs_HandleShadowedObject(dev,
++ if (oh->shadows_obj > 0)
++ yaffs_handle_shadowed_obj(dev,
+ oh->
-+ shadowsObject,
++ shadows_obj,
+ 1);
+
+
+
-+ yaffs_SetObjectNameFromOH(in, oh);
++ yaffs_set_obj_name_from_oh(in, oh);
+ parent =
-+ yaffs_FindOrCreateObjectByNumber
-+ (dev, oh->parentObjectId,
++ yaffs_find_or_create_by_number
++ (dev, oh->parent_obj_id,
+ YAFFS_OBJECT_TYPE_DIRECTORY);
+
-+ fileSize = oh->fileSize;
-+ isShrink = oh->isShrink;
-+ equivalentObjectId = oh->equivalentObjectId;
++ file_size = oh->file_size;
++ is_shrink = oh->is_shrink;
++ equiv_id = oh->equiv_id;
+
+ } else {
-+ in->variantType = tags.extraObjectType;
++ in->variant_type = tags.extra_obj_type;
+ parent =
-+ yaffs_FindOrCreateObjectByNumber
-+ (dev, tags.extraParentObjectId,
++ yaffs_find_or_create_by_number
++ (dev, tags.extra_parent_id,
+ YAFFS_OBJECT_TYPE_DIRECTORY);
-+ fileSize = tags.extraFileLength;
-+ isShrink = tags.extraIsShrinkHeader;
-+ equivalentObjectId = tags.extraEquivalentObjectId;
-+ in->lazyLoaded = 1;
++ file_size = tags.extra_length;
++ is_shrink = tags.extra_is_shrink;
++ equiv_id = tags.extra_equiv_id;
++ in->lazy_loaded = 1;
+
+ }
+ in->dirty = 0;
@@ -23384,15 +26622,15 @@
+ * hook up to parent
+ */
+
-+ if (parent && parent->variantType ==
++ if (parent && parent->variant_type ==
+ YAFFS_OBJECT_TYPE_UNKNOWN) {
+ /* Set up as a directory */
-+ parent->variantType =
++ parent->variant_type =
+ YAFFS_OBJECT_TYPE_DIRECTORY;
+ YINIT_LIST_HEAD(&parent->variant.
-+ directoryVariant.
++ dir_variant.
+ children);
-+ } else if (!parent || parent->variantType !=
++ } else if (!parent || parent->variant_type !=
+ YAFFS_OBJECT_TYPE_DIRECTORY) {
+ /* Hoosterman, another problem....
+ * We're trying to use a non-directory as a directory
@@ -23402,17 +26640,17 @@
+ (TSTR
+ ("yaffs tragedy: attempting to use non-directory as a directory in scan. Put in lost+found."
+ TENDSTR)));
-+ parent = dev->lostNFoundDir;
++ parent = dev->lost_n_found;
+ }
+
-+ yaffs_AddObjectToDirectory(parent, in);
++ yaffs_add_obj_to_dir(parent, in);
+
-+ itsUnlinked = (parent == dev->deletedDir) ||
-+ (parent == dev->unlinkedDir);
++ itsUnlinked = (parent == dev->del_dir) ||
++ (parent == dev->unlinked_dir);
+
-+ if (isShrink) {
++ if (is_shrink) {
+ /* Mark the block as having a shrinkHeader */
-+ bi->hasShrinkHeader = 1;
++ bi->has_shrink_hdr = 1;
+ }
+
+ /* Note re hardlinks.
@@ -23422,35 +26660,35 @@
+ * through this list and fix up all the chains.
+ */
+
-+ switch (in->variantType) {
++ switch (in->variant_type) {
+ case YAFFS_OBJECT_TYPE_UNKNOWN:
+ /* Todo got a problem */
+ break;
+ case YAFFS_OBJECT_TYPE_FILE:
+
-+ if (in->variant.fileVariant.
-+ scannedFileSize < fileSize) {
++ if (in->variant.file_variant.
++ scanned_size < file_size) {
+ /* This covers the case where the file size is greater
+ * than where the data is
+ * This will happen if the file is resized to be larger
+ * than its current data extents.
+ */
-+ in->variant.fileVariant.fileSize = fileSize;
-+ in->variant.fileVariant.scannedFileSize = fileSize;
++ in->variant.file_variant.file_size = file_size;
++ in->variant.file_variant.scanned_size = file_size;
+ }
+
-+ if (in->variant.fileVariant.shrinkSize > fileSize)
-+ in->variant.fileVariant.shrinkSize = fileSize;
++ if (in->variant.file_variant.shrink_size > file_size)
++ in->variant.file_variant.shrink_size = file_size;
+
+
+ break;
+ case YAFFS_OBJECT_TYPE_HARDLINK:
+ if (!itsUnlinked) {
-+ in->variant.hardLinkVariant.equivalentObjectId =
-+ equivalentObjectId;
-+ in->hardLinks.next =
-+ (struct ylist_head *) hardList;
-+ hardList = in;
++ in->variant.hardlink_variant.equiv_id =
++ equiv_id;
++ in->hard_links.next =
++ (struct ylist_head *) hard_list;
++ hard_list = in;
+ }
+ break;
+ case YAFFS_OBJECT_TYPE_DIRECTORY:
@@ -23461,9 +26699,9 @@
+ break;
+ case YAFFS_OBJECT_TYPE_SYMLINK:
+ if (oh) {
-+ in->variant.symLinkVariant.alias =
-+ yaffs_CloneString(oh->alias);
-+ if (!in->variant.symLinkVariant.alias)
++ in->variant.symlink_variant.alias =
++ yaffs_clone_str(oh->alias);
++ if (!in->variant.symlink_variant.alias)
+ alloc_failed = 1;
+ }
+ break;
@@ -23481,18 +26719,18 @@
+ }
+
+
-+ bi->blockState = state;
++ bi->block_state = state;
+
+ /* Now let's see if it was dirty */
-+ if (bi->pagesInUse == 0 &&
-+ !bi->hasShrinkHeader &&
-+ bi->blockState == YAFFS_BLOCK_STATE_FULL) {
-+ yaffs_BlockBecameDirty(dev, blk);
++ if (bi->pages_in_use == 0 &&
++ !bi->has_shrink_hdr &&
++ bi->block_state == YAFFS_BLOCK_STATE_FULL) {
++ yaffs_block_became_dirty(dev, blk);
+ }
+
+ }
+
-+ yaffs_SkipRestOfBlock(dev);
++ yaffs_skip_rest_of_block(dev);
+
+ if (altBlockIndex)
+ YFREE_ALT(blockIndex);
@@ -23504,20 +26742,21 @@
+ * We should now have scanned all the objects, now it's time to add these
+ * hardlinks.
+ */
-+ yaffs_HardlinkFixup(dev, hardList);
++ yaffs_link_fixup(dev, hard_list);
+
+
-+ yaffs_ReleaseTempBuffer(dev, chunkData, __LINE__);
++ yaffs_release_temp_buffer(dev, chunkData, __LINE__);
+
+ if (alloc_failed)
+ return YAFFS_FAIL;
+
-+ T(YAFFS_TRACE_SCAN, (TSTR("yaffs2_ScanBackwards ends" TENDSTR)));
++ T(YAFFS_TRACE_SCAN, (TSTR("yaffs2_scan_backwards ends" TENDSTR)));
+
+ return YAFFS_OK;
+}
---- /dev/null
-+++ b/fs/yaffs2/yaffs_yaffs2.h
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/yaffs_yaffs2.h linux-2.6.36-rc8.new/fs/yaffs2/yaffs_yaffs2.h
+--- linux-2.6.36-rc8/fs/yaffs2/yaffs_yaffs2.h 1970-01-01 02:00:00.000000000 +0200
++++ linux-2.6.36-rc8.new/fs/yaffs2/yaffs_yaffs2.h 2010-10-20 13:28:16.067000294 +0300
@@ -0,0 +1,36 @@
+/*
+ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
@@ -23537,26 +26776,27 @@
+
+#include "yaffs_guts.h"
+
-+void yaffs2_CalcOldestDirtySequence(yaffs_Device *dev);
-+void yaffs2_FindOldestDirtySequence(yaffs_Device *dev);
-+void yaffs2_ClearOldestDirtySequence(yaffs_Device *dev, yaffs_BlockInfo *bi);
-+void yaffs2_UpdateOldestDirtySequence(yaffs_Device *dev, unsigned blockNo, yaffs_BlockInfo *bi);
-+int yaffs2_BlockNotDisqualifiedFromGC(yaffs_Device *dev, yaffs_BlockInfo *bi);
-+__u32 yaffs2_FindRefreshBlock(yaffs_Device *dev);
-+int yaffs2_CheckpointRequired(yaffs_Device *dev);
-+int yaffs2_CalcCheckpointBlocksRequired(yaffs_Device *dev);
++void yaffs_calc_oldest_dirty_seq(yaffs_dev_t *dev);
++void yaffs2_find_oldest_dirty_seq(yaffs_dev_t *dev);
++void yaffs2_clear_oldest_dirty_seq(yaffs_dev_t *dev, yaffs_block_info_t *bi);
++void yaffs2_update_oldest_dirty_seq(yaffs_dev_t *dev, unsigned block_no, yaffs_block_info_t *bi);
++int yaffs_block_ok_for_gc(yaffs_dev_t *dev, yaffs_block_info_t *bi);
++__u32 yaffs2_find_refresh_block(yaffs_dev_t *dev);
++int yaffs2_checkpt_required(yaffs_dev_t *dev);
++int yaffs_calc_checkpt_blocks_required(yaffs_dev_t *dev);
+
+
-+void yaffs2_InvalidateCheckpoint(yaffs_Device *dev);
-+int yaffs2_CheckpointSave(yaffs_Device *dev);
-+int yaffs2_CheckpointRestore(yaffs_Device *dev);
++void yaffs2_checkpt_invalidate(yaffs_dev_t *dev);
++int yaffs2_checkpt_save(yaffs_dev_t *dev);
++int yaffs2_checkpt_restore(yaffs_dev_t *dev);
+
-+int yaffs2_HandleHole(yaffs_Object *obj, loff_t newSize);
-+int yaffs2_ScanBackwards(yaffs_Device *dev);
++int yaffs2_handle_hole(yaffs_obj_t *obj, loff_t new_size);
++int yaffs2_scan_backwards(yaffs_dev_t *dev);
+
+#endif
---- a/fs/yaffs2/yportenv.h
-+++ b/fs/yaffs2/yportenv.h
+diff -Nrup linux-2.6.36-rc8/fs/yaffs2/yportenv.h linux-2.6.36-rc8.new/fs/yaffs2/yportenv.h
+--- linux-2.6.36-rc8/fs/yaffs2/yportenv.h 2010-10-20 13:17:58.988000294 +0300
++++ linux-2.6.36-rc8.new/fs/yaffs2/yportenv.h 2010-10-20 13:28:16.067000294 +0300
@@ -1,7 +1,7 @@
/*
* YAFFS: Yet another Flash File System . A NAND-flash specific file system.
@@ -23610,7 +26850,12 @@
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
#define Y_CURRENT_TIME CURRENT_TIME.tv_sec
-@@ -89,15 +91,10 @@
+@@ -85,19 +87,14 @@
+ #define Y_TIME_CONVERT(x) (x)
+ #endif
+
+-#define yaffs_SumCompare(x, y) ((x) == (y))
++#define yaffs_sum_cmp(x, y) ((x) == (y))
#define yaffs_strcmp(a, b) strcmp(a, b)
#define TENDSTR "\n"
@@ -23644,7 +26889,7 @@
#define yaffs_sprintf sprintf
#define yaffs_toupper(a) toupper(a)
-@@ -146,8 +142,8 @@
+@@ -146,10 +142,10 @@
#define YAFFS_LOSTNFOUND_PREFIX "obj"
/* #define YPRINTF(x) printf x */
@@ -23653,8 +26898,11 @@
+#define YAFFS_ROOT_MODE 0755
+#define YAFFS_LOSTNFOUND_MODE 0700
- #define yaffs_SumCompare(x, y) ((x) == (y))
+-#define yaffs_SumCompare(x, y) ((x) == (y))
++#define yaffs_sum_cmp(x, y) ((x) == (y))
#define yaffs_strcmp(a, b) strcmp(a, b)
+
+ #else
@@ -158,46 +154,180 @@
#endif