mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-08-21 15:38:05 +03:00
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@21952 3c298f89-4303-0410-b956-a3cf2f4a3e73
12345 lines
364 KiB
Diff
12345 lines
364 KiB
Diff
--- a/fs/yaffs2/devextras.h
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+++ b/fs/yaffs2/devextras.h
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@@ -14,194 +14,135 @@
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*/
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/*
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- * This file is just holds extra declarations used during development.
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- * Most of these are from kernel includes placed here so we can use them in
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- * applications.
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+ * This file is just holds extra declarations of macros that would normally
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+ * be providesd in the Linux kernel. These macros have been written from
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+ * scratch but are functionally equivalent to the Linux ones.
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*
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*/
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#ifndef __EXTRAS_H__
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#define __EXTRAS_H__
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-#if defined WIN32
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-#define __inline__ __inline
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-#define new newHack
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-#endif
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-
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-#if !(defined __KERNEL__) || (defined WIN32)
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-/* User space defines */
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+#if !(defined __KERNEL__)
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+/* Definition of types */
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typedef unsigned char __u8;
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typedef unsigned short __u16;
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typedef unsigned __u32;
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+#endif
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+
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/*
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- * Simple doubly linked list implementation.
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- *
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- * Some of the internal functions ("__xxx") are useful when
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- * manipulating whole lists rather than single entries, as
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- * sometimes we already know the next/prev entries and we can
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- * generate better code by using them directly rather than
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- * using the generic single-entry routines.
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+ * This is a simple doubly linked list implementation that matches the
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+ * way the Linux kernel doubly linked list implementation works.
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*/
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-#define prefetch(x) 1
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-
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-struct list_head {
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- struct list_head *next, *prev;
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+struct ylist_head {
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+ struct ylist_head *next; /* next in chain */
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+ struct ylist_head *prev; /* previous in chain */
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};
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-#define LIST_HEAD_INIT(name) { &(name), &(name) }
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-#define LIST_HEAD(name) \
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- struct list_head name = LIST_HEAD_INIT(name)
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+/* Initialise a static list */
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+#define YLIST_HEAD(name) \
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+struct ylist_head name = { &(name), &(name)}
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+
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-#define INIT_LIST_HEAD(ptr) do { \
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- (ptr)->next = (ptr); (ptr)->prev = (ptr); \
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+
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+/* Initialise a list head to an empty list */
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+#define YINIT_LIST_HEAD(p) \
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+do { \
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+ (p)->next = (p);\
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+ (p)->prev = (p); \
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} while (0)
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-/*
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- * Insert a new entry between two known consecutive entries.
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- *
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- * This is only for internal list manipulation where we know
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- * the prev/next entries already!
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- */
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-static __inline__ void __list_add(struct list_head *new,
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- struct list_head *prev,
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- struct list_head *next)
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-{
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- next->prev = new;
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- new->next = next;
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- new->prev = prev;
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- prev->next = new;
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-}
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-/**
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- * list_add - add a new entry
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- * @new: new entry to be added
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- * @head: list head to add it after
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- *
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- * Insert a new entry after the specified head.
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- * This is good for implementing stacks.
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- */
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-static __inline__ void list_add(struct list_head *new, struct list_head *head)
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+/* Add an element to a list */
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+static __inline__ void ylist_add(struct ylist_head *newEntry,
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+ struct ylist_head *list)
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{
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- __list_add(new, head, head->next);
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-}
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+ struct ylist_head *listNext = list->next;
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+
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+ list->next = newEntry;
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+ newEntry->prev = list;
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+ newEntry->next = listNext;
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+ listNext->prev = newEntry;
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-/**
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- * list_add_tail - add a new entry
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- * @new: new entry to be added
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- * @head: list head to add it before
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- *
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- * Insert a new entry before the specified head.
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- * This is useful for implementing queues.
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- */
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-static __inline__ void list_add_tail(struct list_head *new,
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- struct list_head *head)
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-{
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- __list_add(new, head->prev, head);
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}
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-/*
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- * Delete a list entry by making the prev/next entries
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- * point to each other.
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- *
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- * This is only for internal list manipulation where we know
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- * the prev/next entries already!
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- */
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-static __inline__ void __list_del(struct list_head *prev,
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- struct list_head *next)
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+static __inline__ void ylist_add_tail(struct ylist_head *newEntry,
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+ struct ylist_head *list)
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{
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- next->prev = prev;
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- prev->next = next;
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+ struct ylist_head *listPrev = list->prev;
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+
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+ list->prev = newEntry;
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+ newEntry->next = list;
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+ newEntry->prev = listPrev;
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+ listPrev->next = newEntry;
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+
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}
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-/**
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- * list_del - deletes entry from list.
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- * @entry: the element to delete from the list.
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- * Note: list_empty on entry does not return true after this, the entry is
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- * in an undefined state.
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- */
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-static __inline__ void list_del(struct list_head *entry)
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+
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+/* Take an element out of its current list, with or without
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+ * reinitialising the links.of the entry*/
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+static __inline__ void ylist_del(struct ylist_head *entry)
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{
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- __list_del(entry->prev, entry->next);
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+ struct ylist_head *listNext = entry->next;
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+ struct ylist_head *listPrev = entry->prev;
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+
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+ listNext->prev = listPrev;
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+ listPrev->next = listNext;
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+
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}
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-/**
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- * list_del_init - deletes entry from list and reinitialize it.
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- * @entry: the element to delete from the list.
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- */
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-static __inline__ void list_del_init(struct list_head *entry)
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+static __inline__ void ylist_del_init(struct ylist_head *entry)
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{
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- __list_del(entry->prev, entry->next);
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- INIT_LIST_HEAD(entry);
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+ ylist_del(entry);
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+ entry->next = entry->prev = entry;
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}
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-/**
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- * list_empty - tests whether a list is empty
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- * @head: the list to test.
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- */
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-static __inline__ int list_empty(struct list_head *head)
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+
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+/* Test if the list is empty */
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+static __inline__ int ylist_empty(struct ylist_head *entry)
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{
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- return head->next == head;
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+ return (entry->next == entry);
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}
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-/**
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- * list_splice - join two lists
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- * @list: the new list to add.
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- * @head: the place to add it in the first list.
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+
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+/* ylist_entry takes a pointer to a list entry and offsets it to that
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+ * we can find a pointer to the object it is embedded in.
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*/
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-static __inline__ void list_splice(struct list_head *list,
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- struct list_head *head)
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-{
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- struct list_head *first = list->next;
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- if (first != list) {
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- struct list_head *last = list->prev;
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- struct list_head *at = head->next;
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-
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- first->prev = head;
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- head->next = first;
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-
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- last->next = at;
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- at->prev = last;
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- }
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-}
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-/**
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- * list_entry - get the struct for this entry
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- * @ptr: the &struct list_head pointer.
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- * @type: the type of the struct this is embedded in.
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- * @member: the name of the list_struct within the struct.
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- */
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-#define list_entry(ptr, type, member) \
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- ((type *)((char *)(ptr)-(unsigned long)(&((type *)0)->member)))
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-
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-/**
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- * list_for_each - iterate over a list
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- * @pos: the &struct list_head to use as a loop counter.
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- * @head: the head for your list.
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- */
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-#define list_for_each(pos, head) \
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- for (pos = (head)->next, prefetch(pos->next); pos != (head); \
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- pos = pos->next, prefetch(pos->next))
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-
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-/**
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- * list_for_each_safe - iterate over a list safe against removal
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- * of list entry
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- * @pos: the &struct list_head to use as a loop counter.
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- * @n: another &struct list_head to use as temporary storage
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- * @head: the head for your list.
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- */
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-#define list_for_each_safe(pos, n, head) \
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- for (pos = (head)->next, n = pos->next; pos != (head); \
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- pos = n, n = pos->next)
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+#define ylist_entry(entry, type, member) \
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+ ((type *)((char *)(entry)-(unsigned long)(&((type *)NULL)->member)))
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-/*
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- * File types
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+
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+/* ylist_for_each and list_for_each_safe iterate over lists.
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+ * ylist_for_each_safe uses temporary storage to make the list delete safe
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*/
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+
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+#define ylist_for_each(itervar, list) \
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+ for (itervar = (list)->next; itervar != (list); itervar = itervar->next)
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+
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+#define ylist_for_each_safe(itervar, saveVar, list) \
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+ for (itervar = (list)->next, saveVar = (list)->next->next; \
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+ itervar != (list); itervar = saveVar, saveVar = saveVar->next)
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+
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+
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+#if !(defined __KERNEL__)
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+
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+
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+#ifndef WIN32
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+#include <sys/stat.h>
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+#endif
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+
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+
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+#ifdef CONFIG_YAFFS_PROVIDE_DEFS
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+/* File types */
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+
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+
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#define DT_UNKNOWN 0
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#define DT_FIFO 1
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#define DT_CHR 2
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@@ -212,6 +153,7 @@ static __inline__ void list_splice(struc
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#define DT_SOCK 12
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#define DT_WHT 14
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+
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#ifndef WIN32
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#include <sys/stat.h>
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#endif
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@@ -227,10 +169,6 @@ static __inline__ void list_splice(struc
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#define ATTR_ATIME 16
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#define ATTR_MTIME 32
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#define ATTR_CTIME 64
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-#define ATTR_ATIME_SET 128
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-#define ATTR_MTIME_SET 256
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-#define ATTR_FORCE 512 /* Not a change, but a change it */
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-#define ATTR_ATTR_FLAG 1024
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struct iattr {
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unsigned int ia_valid;
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@@ -244,21 +182,15 @@ struct iattr {
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unsigned int ia_attr_flags;
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};
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-#define KERN_DEBUG
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+#endif
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#else
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-#ifndef WIN32
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#include <linux/types.h>
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-#include <linux/list.h>
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#include <linux/fs.h>
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#include <linux/stat.h>
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-#endif
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#endif
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-#if defined WIN32
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-#undef new
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-#endif
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#endif
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--- a/fs/yaffs2/Kconfig
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+++ b/fs/yaffs2/Kconfig
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@@ -5,7 +5,7 @@
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config YAFFS_FS
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tristate "YAFFS2 file system support"
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default n
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- depends on MTD
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+ depends on MTD_BLOCK
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select YAFFS_YAFFS1
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select YAFFS_YAFFS2
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help
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@@ -43,7 +43,8 @@ config YAFFS_9BYTE_TAGS
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format that you need to continue to support. New data written
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also uses the older-style format. Note: Use of this option
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generally requires that MTD's oob layout be adjusted to use the
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- older-style format. See notes on tags formats and MTD versions.
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+ older-style format. See notes on tags formats and MTD versions
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+ in yaffs_mtdif1.c.
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If unsure, say N.
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@@ -109,26 +110,6 @@ config YAFFS_DISABLE_LAZY_LOAD
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If unsure, say N.
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-config YAFFS_CHECKPOINT_RESERVED_BLOCKS
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- int "Reserved blocks for checkpointing"
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- depends on YAFFS_YAFFS2
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- default 10
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- help
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- Give the number of Blocks to reserve for checkpointing.
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- Checkpointing saves the state at unmount so that mounting is
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- much faster as a scan of all the flash to regenerate this state
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- is not needed. These Blocks are reserved per partition, so if
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- you have very small partitions the default (10) may be a mess
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- for you. You can set this value to 0, but that does not mean
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- checkpointing is disabled at all. There only won't be any
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- specially reserved blocks for checkpointing, so if there is
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- enough free space on the filesystem, it will be used for
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- checkpointing.
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-
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- If unsure, leave at default (10), but don't wonder if there are
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- always 2MB used on your large page device partition (10 x 2k
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- pagesize). When using small partitions or when being very small
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- on space, you probably want to set this to zero.
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config YAFFS_DISABLE_WIDE_TNODES
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bool "Turn off wide tnodes"
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--- a/fs/yaffs2/Makefile
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+++ b/fs/yaffs2/Makefile
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@@ -5,7 +5,6 @@
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obj-$(CONFIG_YAFFS_FS) += yaffs.o
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yaffs-y := yaffs_ecc.o yaffs_fs.o yaffs_guts.o yaffs_checkptrw.o
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-yaffs-y += yaffs_packedtags2.o yaffs_nand.o yaffs_qsort.o
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+yaffs-y += yaffs_packedtags1.o yaffs_packedtags2.o yaffs_nand.o yaffs_qsort.o
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yaffs-y += yaffs_tagscompat.o yaffs_tagsvalidity.o
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-yaffs-y += yaffs_mtdif1.o yaffs_packedtags1.o
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-yaffs-y += yaffs_mtdif.o yaffs_mtdif2.o
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+yaffs-y += yaffs_mtdif.o yaffs_mtdif1.o yaffs_mtdif2.o
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--- a/fs/yaffs2/moduleconfig.h
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+++ b/fs/yaffs2/moduleconfig.h
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@@ -27,12 +27,12 @@
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/* Default: Not selected */
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/* Meaning: Yaffs does its own ECC, rather than using MTD ECC */
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-//#define CONFIG_YAFFS_DOES_ECC
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+/* #define CONFIG_YAFFS_DOES_ECC */
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/* Default: Not selected */
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/* Meaning: ECC byte order is 'wrong'. Only meaningful if */
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/* CONFIG_YAFFS_DOES_ECC is set */
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-//#define CONFIG_YAFFS_ECC_WRONG_ORDER
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+/* #define CONFIG_YAFFS_ECC_WRONG_ORDER */
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/* Default: Selected */
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/* Meaning: Disables testing whether chunks are erased before writing to them*/
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@@ -54,11 +54,11 @@ that you need to continue to support. N
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older-style format.
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Note: Use of this option generally requires that MTD's oob layout be
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adjusted to use the older-style format. See notes on tags formats and
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-MTD versions.
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+MTD versions in yaffs_mtdif1.c.
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*/
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/* Default: Not selected */
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/* Meaning: Use older-style on-NAND data format with pageStatus byte */
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-#define CONFIG_YAFFS_9BYTE_TAGS
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+/* #define CONFIG_YAFFS_9BYTE_TAGS */
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#endif /* YAFFS_OUT_OF_TREE */
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--- a/fs/yaffs2/yaffs_checkptrw.c
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+++ b/fs/yaffs2/yaffs_checkptrw.c
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@@ -12,48 +12,43 @@
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*/
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const char *yaffs_checkptrw_c_version =
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- "$Id: yaffs_checkptrw.c,v 1.14 2007-05-15 20:07:40 charles Exp $";
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+ "$Id: yaffs_checkptrw.c,v 1.18 2009-03-06 17:20:49 wookey Exp $";
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#include "yaffs_checkptrw.h"
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-
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+#include "yaffs_getblockinfo.h"
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static int yaffs_CheckpointSpaceOk(yaffs_Device *dev)
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{
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-
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int blocksAvailable = dev->nErasedBlocks - dev->nReservedBlocks;
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T(YAFFS_TRACE_CHECKPOINT,
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(TSTR("checkpt blocks available = %d" TENDSTR),
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blocksAvailable));
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-
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return (blocksAvailable <= 0) ? 0 : 1;
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}
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static int yaffs_CheckpointErase(yaffs_Device *dev)
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{
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-
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int i;
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-
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- if(!dev->eraseBlockInNAND)
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+ if (!dev->eraseBlockInNAND)
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return 0;
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- T(YAFFS_TRACE_CHECKPOINT,(TSTR("checking blocks %d to %d"TENDSTR),
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- dev->internalStartBlock,dev->internalEndBlock));
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+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("checking blocks %d to %d"TENDSTR),
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+ dev->internalStartBlock, dev->internalEndBlock));
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- for(i = dev->internalStartBlock; i <= dev->internalEndBlock; i++) {
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- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev,i);
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- if(bi->blockState == YAFFS_BLOCK_STATE_CHECKPOINT){
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- T(YAFFS_TRACE_CHECKPOINT,(TSTR("erasing checkpt block %d"TENDSTR),i));
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- if(dev->eraseBlockInNAND(dev,i- dev->blockOffset /* realign */)){
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+ for (i = dev->internalStartBlock; i <= dev->internalEndBlock; i++) {
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+ yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, i);
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+ if (bi->blockState == YAFFS_BLOCK_STATE_CHECKPOINT) {
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+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("erasing checkpt block %d"TENDSTR), i));
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+ if (dev->eraseBlockInNAND(dev, i - dev->blockOffset /* realign */)) {
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bi->blockState = YAFFS_BLOCK_STATE_EMPTY;
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dev->nErasedBlocks++;
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dev->nFreeChunks += dev->nChunksPerBlock;
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- }
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- else {
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- dev->markNANDBlockBad(dev,i);
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+ } else {
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+ dev->markNANDBlockBad(dev, i);
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bi->blockState = YAFFS_BLOCK_STATE_DEAD;
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}
|
|
}
|
|
@@ -71,23 +66,23 @@ static void yaffs_CheckpointFindNextEras
|
|
int blocksAvailable = dev->nErasedBlocks - dev->nReservedBlocks;
|
|
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->nReservedBlocks, blocksAvailable, dev->checkpointNextBlock));
|
|
|
|
- if(dev->checkpointNextBlock >= 0 &&
|
|
- dev->checkpointNextBlock <= dev->internalEndBlock &&
|
|
- blocksAvailable > 0){
|
|
-
|
|
- for(i = dev->checkpointNextBlock; i <= dev->internalEndBlock; i++){
|
|
- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev,i);
|
|
- if(bi->blockState == YAFFS_BLOCK_STATE_EMPTY){
|
|
+ if (dev->checkpointNextBlock >= 0 &&
|
|
+ dev->checkpointNextBlock <= dev->internalEndBlock &&
|
|
+ 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;
|
|
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("allocating checkpt block %d"TENDSTR),i));
|
|
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("allocating checkpt block %d"TENDSTR), i));
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("out of checkpt blocks"TENDSTR)));
|
|
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("out of checkpt blocks"TENDSTR)));
|
|
|
|
dev->checkpointNextBlock = -1;
|
|
dev->checkpointCurrentBlock = -1;
|
|
@@ -98,30 +93,31 @@ static void yaffs_CheckpointFindNextChec
|
|
int i;
|
|
yaffs_ExtendedTags tags;
|
|
|
|
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("find next checkpt block: start: blocks %d next %d" TENDSTR),
|
|
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("find next checkpt block: start: blocks %d next %d" TENDSTR),
|
|
dev->blocksInCheckpoint, dev->checkpointNextBlock));
|
|
|
|
- if(dev->blocksInCheckpoint < dev->checkpointMaxBlocks)
|
|
- for(i = dev->checkpointNextBlock; i <= dev->internalEndBlock; i++){
|
|
+ if (dev->blocksInCheckpoint < dev->checkpointMaxBlocks)
|
|
+ for (i = dev->checkpointNextBlock; i <= dev->internalEndBlock; i++) {
|
|
int chunk = i * dev->nChunksPerBlock;
|
|
int realignedChunk = chunk - dev->chunkOffset;
|
|
|
|
- dev->readChunkWithTagsFromNAND(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));
|
|
+ dev->readChunkWithTagsFromNAND(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));
|
|
|
|
- if(tags.sequenceNumber == YAFFS_SEQUENCE_CHECKPOINT_DATA){
|
|
+ if (tags.sequenceNumber == YAFFS_SEQUENCE_CHECKPOINT_DATA) {
|
|
/* Right kind of block */
|
|
dev->checkpointNextBlock = tags.objectId;
|
|
dev->checkpointCurrentBlock = i;
|
|
dev->checkpointBlockList[dev->blocksInCheckpoint] = i;
|
|
dev->blocksInCheckpoint++;
|
|
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("found checkpt block %d"TENDSTR),i));
|
|
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("found checkpt block %d"TENDSTR), i));
|
|
return;
|
|
}
|
|
}
|
|
|
|
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("found no more checkpt blocks"TENDSTR)));
|
|
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("found no more checkpt blocks"TENDSTR)));
|
|
|
|
dev->checkpointNextBlock = -1;
|
|
dev->checkpointCurrentBlock = -1;
|
|
@@ -133,17 +129,17 @@ int yaffs_CheckpointOpen(yaffs_Device *d
|
|
|
|
/* Got the functions we need? */
|
|
if (!dev->writeChunkWithTagsToNAND ||
|
|
- !dev->readChunkWithTagsFromNAND ||
|
|
- !dev->eraseBlockInNAND ||
|
|
- !dev->markNANDBlockBad)
|
|
+ !dev->readChunkWithTagsFromNAND ||
|
|
+ !dev->eraseBlockInNAND ||
|
|
+ !dev->markNANDBlockBad)
|
|
return 0;
|
|
|
|
- if(forWriting && !yaffs_CheckpointSpaceOk(dev))
|
|
+ if (forWriting && !yaffs_CheckpointSpaceOk(dev))
|
|
return 0;
|
|
|
|
- if(!dev->checkpointBuffer)
|
|
- dev->checkpointBuffer = YMALLOC_DMA(dev->nDataBytesPerChunk);
|
|
- if(!dev->checkpointBuffer)
|
|
+ if (!dev->checkpointBuffer)
|
|
+ dev->checkpointBuffer = YMALLOC_DMA(dev->totalBytesPerChunk);
|
|
+ if (!dev->checkpointBuffer)
|
|
return 0;
|
|
|
|
|
|
@@ -159,12 +155,10 @@ int yaffs_CheckpointOpen(yaffs_Device *d
|
|
dev->checkpointNextBlock = dev->internalStartBlock;
|
|
|
|
/* Erase all the blocks in the checkpoint area */
|
|
- if(forWriting){
|
|
- memset(dev->checkpointBuffer,0,dev->nDataBytesPerChunk);
|
|
+ if (forWriting) {
|
|
+ memset(dev->checkpointBuffer, 0, dev->nDataBytesPerChunk);
|
|
dev->checkpointByteOffset = 0;
|
|
return yaffs_CheckpointErase(dev);
|
|
-
|
|
-
|
|
} else {
|
|
int i;
|
|
/* Set to a value that will kick off a read */
|
|
@@ -174,7 +168,7 @@ int yaffs_CheckpointOpen(yaffs_Device *d
|
|
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++)
|
|
+ for (i = 0; i < dev->checkpointMaxBlocks; i++)
|
|
dev->checkpointBlockList[i] = -1;
|
|
}
|
|
|
|
@@ -191,18 +185,17 @@ int yaffs_GetCheckpointSum(yaffs_Device
|
|
|
|
static int yaffs_CheckpointFlushBuffer(yaffs_Device *dev)
|
|
{
|
|
-
|
|
int chunk;
|
|
int realignedChunk;
|
|
|
|
yaffs_ExtendedTags tags;
|
|
|
|
- if(dev->checkpointCurrentBlock < 0){
|
|
+ if (dev->checkpointCurrentBlock < 0) {
|
|
yaffs_CheckpointFindNextErasedBlock(dev);
|
|
dev->checkpointCurrentChunk = 0;
|
|
}
|
|
|
|
- if(dev->checkpointCurrentBlock < 0)
|
|
+ if (dev->checkpointCurrentBlock < 0)
|
|
return 0;
|
|
|
|
tags.chunkDeleted = 0;
|
|
@@ -210,10 +203,10 @@ static int yaffs_CheckpointFlushBuffer(y
|
|
tags.chunkId = dev->checkpointPageSequence + 1;
|
|
tags.sequenceNumber = YAFFS_SEQUENCE_CHECKPOINT_DATA;
|
|
tags.byteCount = dev->nDataBytesPerChunk;
|
|
- if(dev->checkpointCurrentChunk == 0){
|
|
+ if (dev->checkpointCurrentChunk == 0) {
|
|
/* First chunk we write for the block? Set block state to
|
|
checkpoint */
|
|
- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev,dev->checkpointCurrentBlock);
|
|
+ yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, dev->checkpointCurrentBlock);
|
|
bi->blockState = YAFFS_BLOCK_STATE_CHECKPOINT;
|
|
dev->blocksInCheckpoint++;
|
|
}
|
|
@@ -221,28 +214,29 @@ static int yaffs_CheckpointFlushBuffer(y
|
|
chunk = dev->checkpointCurrentBlock * dev->nChunksPerBlock + dev->checkpointCurrentChunk;
|
|
|
|
|
|
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("checkpoint wite buffer nand %d(%d:%d) objid %d chId %d" TENDSTR),
|
|
- chunk, dev->checkpointCurrentBlock, dev->checkpointCurrentChunk,tags.objectId,tags.chunkId));
|
|
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("checkpoint wite buffer nand %d(%d:%d) objid %d chId %d" TENDSTR),
|
|
+ chunk, dev->checkpointCurrentBlock, dev->checkpointCurrentChunk, tags.objectId, tags.chunkId));
|
|
|
|
realignedChunk = chunk - dev->chunkOffset;
|
|
|
|
- dev->writeChunkWithTagsToNAND(dev,realignedChunk,dev->checkpointBuffer,&tags);
|
|
+ dev->writeChunkWithTagsToNAND(dev, realignedChunk,
|
|
+ dev->checkpointBuffer, &tags);
|
|
dev->checkpointByteOffset = 0;
|
|
dev->checkpointPageSequence++;
|
|
dev->checkpointCurrentChunk++;
|
|
- if(dev->checkpointCurrentChunk >= dev->nChunksPerBlock){
|
|
+ if (dev->checkpointCurrentChunk >= dev->nChunksPerBlock) {
|
|
dev->checkpointCurrentChunk = 0;
|
|
dev->checkpointCurrentBlock = -1;
|
|
}
|
|
- memset(dev->checkpointBuffer,0,dev->nDataBytesPerChunk);
|
|
+ memset(dev->checkpointBuffer, 0, dev->nDataBytesPerChunk);
|
|
|
|
return 1;
|
|
}
|
|
|
|
|
|
-int yaffs_CheckpointWrite(yaffs_Device *dev,const void *data, int nBytes)
|
|
+int yaffs_CheckpointWrite(yaffs_Device *dev, const void *data, int nBytes)
|
|
{
|
|
- int i=0;
|
|
+ int i = 0;
|
|
int ok = 1;
|
|
|
|
|
|
@@ -250,17 +244,14 @@ int yaffs_CheckpointWrite(yaffs_Device *
|
|
|
|
|
|
|
|
- if(!dev->checkpointBuffer)
|
|
+ if (!dev->checkpointBuffer)
|
|
return 0;
|
|
|
|
- if(!dev->checkpointOpenForWrite)
|
|
+ if (!dev->checkpointOpenForWrite)
|
|
return -1;
|
|
|
|
- while(i < nBytes && ok) {
|
|
-
|
|
-
|
|
-
|
|
- dev->checkpointBuffer[dev->checkpointByteOffset] = *dataBytes ;
|
|
+ while (i < nBytes && ok) {
|
|
+ dev->checkpointBuffer[dev->checkpointByteOffset] = *dataBytes;
|
|
dev->checkpointSum += *dataBytes;
|
|
dev->checkpointXor ^= *dataBytes;
|
|
|
|
@@ -270,18 +261,17 @@ int yaffs_CheckpointWrite(yaffs_Device *
|
|
dev->checkpointByteCount++;
|
|
|
|
|
|
- if(dev->checkpointByteOffset < 0 ||
|
|
+ if (dev->checkpointByteOffset < 0 ||
|
|
dev->checkpointByteOffset >= dev->nDataBytesPerChunk)
|
|
ok = yaffs_CheckpointFlushBuffer(dev);
|
|
-
|
|
}
|
|
|
|
- return i;
|
|
+ return i;
|
|
}
|
|
|
|
int yaffs_CheckpointRead(yaffs_Device *dev, void *data, int nBytes)
|
|
{
|
|
- int i=0;
|
|
+ int i = 0;
|
|
int ok = 1;
|
|
yaffs_ExtendedTags tags;
|
|
|
|
@@ -291,52 +281,54 @@ int yaffs_CheckpointRead(yaffs_Device *d
|
|
|
|
__u8 *dataBytes = (__u8 *)data;
|
|
|
|
- if(!dev->checkpointBuffer)
|
|
+ if (!dev->checkpointBuffer)
|
|
return 0;
|
|
|
|
- if(dev->checkpointOpenForWrite)
|
|
+ if (dev->checkpointOpenForWrite)
|
|
return -1;
|
|
|
|
- while(i < nBytes && ok) {
|
|
+ while (i < nBytes && ok) {
|
|
|
|
|
|
- if(dev->checkpointByteOffset < 0 ||
|
|
- dev->checkpointByteOffset >= dev->nDataBytesPerChunk) {
|
|
+ if (dev->checkpointByteOffset < 0 ||
|
|
+ dev->checkpointByteOffset >= dev->nDataBytesPerChunk) {
|
|
|
|
- if(dev->checkpointCurrentBlock < 0){
|
|
+ if (dev->checkpointCurrentBlock < 0) {
|
|
yaffs_CheckpointFindNextCheckpointBlock(dev);
|
|
dev->checkpointCurrentChunk = 0;
|
|
}
|
|
|
|
- if(dev->checkpointCurrentBlock < 0)
|
|
+ if (dev->checkpointCurrentBlock < 0)
|
|
ok = 0;
|
|
else {
|
|
-
|
|
- chunk = dev->checkpointCurrentBlock * dev->nChunksPerBlock +
|
|
- dev->checkpointCurrentChunk;
|
|
+ chunk = dev->checkpointCurrentBlock *
|
|
+ dev->nChunksPerBlock +
|
|
+ dev->checkpointCurrentChunk;
|
|
|
|
realignedChunk = chunk - dev->chunkOffset;
|
|
|
|
- /* read in the next chunk */
|
|
- /* printf("read checkpoint page %d\n",dev->checkpointPage); */
|
|
- dev->readChunkWithTagsFromNAND(dev, realignedChunk,
|
|
- dev->checkpointBuffer,
|
|
- &tags);
|
|
-
|
|
- if(tags.chunkId != (dev->checkpointPageSequence + 1) ||
|
|
- tags.sequenceNumber != YAFFS_SEQUENCE_CHECKPOINT_DATA)
|
|
- ok = 0;
|
|
+ /* read in the next chunk */
|
|
+ /* printf("read checkpoint page %d\n",dev->checkpointPage); */
|
|
+ dev->readChunkWithTagsFromNAND(dev,
|
|
+ realignedChunk,
|
|
+ dev->checkpointBuffer,
|
|
+ &tags);
|
|
+
|
|
+ if (tags.chunkId != (dev->checkpointPageSequence + 1) ||
|
|
+ tags.eccResult > YAFFS_ECC_RESULT_FIXED ||
|
|
+ tags.sequenceNumber != YAFFS_SEQUENCE_CHECKPOINT_DATA)
|
|
+ ok = 0;
|
|
|
|
dev->checkpointByteOffset = 0;
|
|
dev->checkpointPageSequence++;
|
|
dev->checkpointCurrentChunk++;
|
|
|
|
- if(dev->checkpointCurrentChunk >= dev->nChunksPerBlock)
|
|
+ if (dev->checkpointCurrentChunk >= dev->nChunksPerBlock)
|
|
dev->checkpointCurrentBlock = -1;
|
|
}
|
|
}
|
|
|
|
- if(ok){
|
|
+ if (ok) {
|
|
*dataBytes = dev->checkpointBuffer[dev->checkpointByteOffset];
|
|
dev->checkpointSum += *dataBytes;
|
|
dev->checkpointXor ^= *dataBytes;
|
|
@@ -353,17 +345,17 @@ int yaffs_CheckpointRead(yaffs_Device *d
|
|
int yaffs_CheckpointClose(yaffs_Device *dev)
|
|
{
|
|
|
|
- if(dev->checkpointOpenForWrite){
|
|
- if(dev->checkpointByteOffset != 0)
|
|
+ if (dev->checkpointOpenForWrite) {
|
|
+ if (dev->checkpointByteOffset != 0)
|
|
yaffs_CheckpointFlushBuffer(dev);
|
|
} else {
|
|
int 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)
|
|
+ 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)
|
|
bi->blockState = YAFFS_BLOCK_STATE_CHECKPOINT;
|
|
else {
|
|
- // Todo this looks odd...
|
|
+ /* Todo this looks odd... */
|
|
}
|
|
}
|
|
YFREE(dev->checkpointBlockList);
|
|
@@ -374,27 +366,25 @@ int yaffs_CheckpointClose(yaffs_Device *
|
|
dev->nErasedBlocks -= dev->blocksInCheckpoint;
|
|
|
|
|
|
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("checkpoint byte count %d" TENDSTR),
|
|
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("checkpoint byte count %d" TENDSTR),
|
|
dev->checkpointByteCount));
|
|
|
|
- if(dev->checkpointBuffer){
|
|
+ if (dev->checkpointBuffer) {
|
|
/* free the buffer */
|
|
YFREE(dev->checkpointBuffer);
|
|
dev->checkpointBuffer = NULL;
|
|
return 1;
|
|
- }
|
|
- else
|
|
+ } else
|
|
return 0;
|
|
-
|
|
}
|
|
|
|
int yaffs_CheckpointInvalidateStream(yaffs_Device *dev)
|
|
{
|
|
/* Erase the first checksum block */
|
|
|
|
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("checkpoint invalidate"TENDSTR)));
|
|
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("checkpoint invalidate"TENDSTR)));
|
|
|
|
- if(!yaffs_CheckpointSpaceOk(dev))
|
|
+ if (!yaffs_CheckpointSpaceOk(dev))
|
|
return 0;
|
|
|
|
return yaffs_CheckpointErase(dev);
|
|
--- a/fs/yaffs2/yaffs_checkptrw.h
|
|
+++ b/fs/yaffs2/yaffs_checkptrw.h
|
|
@@ -20,9 +20,9 @@
|
|
|
|
int yaffs_CheckpointOpen(yaffs_Device *dev, int forWriting);
|
|
|
|
-int yaffs_CheckpointWrite(yaffs_Device *dev,const void *data, int nBytes);
|
|
+int yaffs_CheckpointWrite(yaffs_Device *dev, const void *data, int nBytes);
|
|
|
|
-int yaffs_CheckpointRead(yaffs_Device *dev,void *data, int nBytes);
|
|
+int yaffs_CheckpointRead(yaffs_Device *dev, void *data, int nBytes);
|
|
|
|
int yaffs_GetCheckpointSum(yaffs_Device *dev, __u32 *sum);
|
|
|
|
--- a/fs/yaffs2/yaffs_ecc.c
|
|
+++ b/fs/yaffs2/yaffs_ecc.c
|
|
@@ -29,7 +29,7 @@
|
|
*/
|
|
|
|
const char *yaffs_ecc_c_version =
|
|
- "$Id: yaffs_ecc.c,v 1.9 2007-02-14 01:09:06 wookey Exp $";
|
|
+ "$Id: yaffs_ecc.c,v 1.11 2009-03-06 17:20:50 wookey Exp $";
|
|
|
|
#include "yportenv.h"
|
|
|
|
@@ -109,12 +109,10 @@ void yaffs_ECCCalculate(const unsigned c
|
|
b = column_parity_table[*data++];
|
|
col_parity ^= b;
|
|
|
|
- if (b & 0x01) // odd number of bits in the byte
|
|
- {
|
|
+ if (b & 0x01) { /* odd number of bits in the byte */
|
|
line_parity ^= i;
|
|
line_parity_prime ^= ~i;
|
|
}
|
|
-
|
|
}
|
|
|
|
ecc[2] = (~col_parity) | 0x03;
|
|
@@ -158,7 +156,7 @@ void yaffs_ECCCalculate(const unsigned c
|
|
ecc[0] = ~t;
|
|
|
|
#ifdef CONFIG_YAFFS_ECC_WRONG_ORDER
|
|
- // Swap the bytes into the wrong order
|
|
+ /* Swap the bytes into the wrong order */
|
|
t = ecc[0];
|
|
ecc[0] = ecc[1];
|
|
ecc[1] = t;
|
|
@@ -189,7 +187,7 @@ int yaffs_ECCCorrect(unsigned char *data
|
|
unsigned bit;
|
|
|
|
#ifdef CONFIG_YAFFS_ECC_WRONG_ORDER
|
|
- // swap the bytes to correct for the wrong order
|
|
+ /* swap the bytes to correct for the wrong order */
|
|
unsigned char t;
|
|
|
|
t = d0;
|
|
@@ -251,7 +249,7 @@ 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,
|
|
- yaffs_ECCOther * eccOther)
|
|
+ yaffs_ECCOther *eccOther)
|
|
{
|
|
unsigned int i;
|
|
|
|
@@ -278,8 +276,8 @@ void yaffs_ECCCalculateOther(const unsig
|
|
}
|
|
|
|
int yaffs_ECCCorrectOther(unsigned char *data, unsigned nBytes,
|
|
- yaffs_ECCOther * read_ecc,
|
|
- const yaffs_ECCOther * test_ecc)
|
|
+ yaffs_ECCOther *read_ecc,
|
|
+ const yaffs_ECCOther *test_ecc)
|
|
{
|
|
unsigned char cDelta; /* column parity delta */
|
|
unsigned lDelta; /* line parity delta */
|
|
@@ -294,8 +292,7 @@ int yaffs_ECCCorrectOther(unsigned char
|
|
return 0; /* no error */
|
|
|
|
if (lDelta == ~lDeltaPrime &&
|
|
- (((cDelta ^ (cDelta >> 1)) & 0x15) == 0x15))
|
|
- {
|
|
+ (((cDelta ^ (cDelta >> 1)) & 0x15) == 0x15)) {
|
|
/* Single bit (recoverable) error in data */
|
|
|
|
bit = 0;
|
|
@@ -307,7 +304,7 @@ int yaffs_ECCCorrectOther(unsigned char
|
|
if (cDelta & 0x02)
|
|
bit |= 0x01;
|
|
|
|
- if(lDelta >= nBytes)
|
|
+ if (lDelta >= nBytes)
|
|
return -1;
|
|
|
|
data[lDelta] ^= (1 << bit);
|
|
@@ -316,7 +313,7 @@ int yaffs_ECCCorrectOther(unsigned char
|
|
}
|
|
|
|
if ((yaffs_CountBits32(lDelta) + yaffs_CountBits32(lDeltaPrime) +
|
|
- yaffs_CountBits(cDelta)) == 1) {
|
|
+ yaffs_CountBits(cDelta)) == 1) {
|
|
/* Reccoverable error in ecc */
|
|
|
|
*read_ecc = *test_ecc;
|
|
@@ -326,6 +323,4 @@ int yaffs_ECCCorrectOther(unsigned char
|
|
/* Unrecoverable error */
|
|
|
|
return -1;
|
|
-
|
|
}
|
|
-
|
|
--- a/fs/yaffs2/yaffs_ecc.h
|
|
+++ b/fs/yaffs2/yaffs_ecc.h
|
|
@@ -13,15 +13,15 @@
|
|
* Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
|
|
*/
|
|
|
|
- /*
|
|
- * This code implements the ECC algorithm used in SmartMedia.
|
|
- *
|
|
- * The ECC comprises 22 bits of parity information and is stuffed into 3 bytes.
|
|
- * The two unused bit are set to 1.
|
|
- * The ECC can correct single bit errors in a 256-byte page of data. Thus, two such ECC
|
|
- * blocks are used on a 512-byte NAND page.
|
|
- *
|
|
- */
|
|
+/*
|
|
+ * This code implements the ECC algorithm used in SmartMedia.
|
|
+ *
|
|
+ * The ECC comprises 22 bits of parity information and is stuffed into 3 bytes.
|
|
+ * The two unused bit are set to 1.
|
|
+ * The ECC can correct single bit errors in a 256-byte page of data. Thus, two such ECC
|
|
+ * blocks are used on a 512-byte NAND page.
|
|
+ *
|
|
+ */
|
|
|
|
#ifndef __YAFFS_ECC_H__
|
|
#define __YAFFS_ECC_H__
|
|
@@ -34,11 +34,11 @@ typedef struct {
|
|
|
|
void yaffs_ECCCalculate(const unsigned char *data, unsigned char *ecc);
|
|
int yaffs_ECCCorrect(unsigned char *data, unsigned char *read_ecc,
|
|
- const unsigned char *test_ecc);
|
|
+ const unsigned char *test_ecc);
|
|
|
|
void yaffs_ECCCalculateOther(const unsigned char *data, unsigned nBytes,
|
|
- yaffs_ECCOther * ecc);
|
|
+ yaffs_ECCOther *ecc);
|
|
int yaffs_ECCCorrectOther(unsigned char *data, unsigned nBytes,
|
|
- yaffs_ECCOther * read_ecc,
|
|
- const yaffs_ECCOther * test_ecc);
|
|
+ yaffs_ECCOther *read_ecc,
|
|
+ const yaffs_ECCOther *test_ecc);
|
|
#endif
|
|
--- a/fs/yaffs2/yaffs_fs.c
|
|
+++ b/fs/yaffs2/yaffs_fs.c
|
|
@@ -1,7 +1,7 @@
|
|
/*
|
|
* YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
|
|
*
|
|
- * Copyright (C) 2002-2007 Aleph One Ltd.
|
|
+ * Copyright (C) 2002-2009 Aleph One Ltd.
|
|
* for Toby Churchill Ltd and Brightstar Engineering
|
|
*
|
|
* Created by Charles Manning <charles@aleph1.co.uk>
|
|
@@ -32,18 +32,17 @@
|
|
*/
|
|
|
|
const char *yaffs_fs_c_version =
|
|
- "$Id: yaffs_fs.c,v 1.63 2007-09-19 20:35:40 imcd Exp $";
|
|
+ "$Id: yaffs_fs.c,v 1.79 2009-03-17 01:12:00 wookey Exp $";
|
|
extern const char *yaffs_guts_c_version;
|
|
|
|
#include <linux/version.h>
|
|
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19))
|
|
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19))
|
|
#include <linux/config.h>
|
|
#endif
|
|
#include <linux/kernel.h>
|
|
#include <linux/module.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/init.h>
|
|
-#include <linux/list.h>
|
|
#include <linux/fs.h>
|
|
#include <linux/proc_fs.h>
|
|
#include <linux/smp_lock.h>
|
|
@@ -53,10 +52,12 @@ extern const char *yaffs_guts_c_version;
|
|
#include <linux/string.h>
|
|
#include <linux/ctype.h>
|
|
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
|
|
+#include "asm/div64.h"
|
|
+
|
|
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
|
|
|
|
#include <linux/statfs.h> /* Added NCB 15-8-2003 */
|
|
-#include <asm/statfs.h>
|
|
+#include <linux/statfs.h>
|
|
#define UnlockPage(p) unlock_page(p)
|
|
#define Page_Uptodate(page) test_bit(PG_uptodate, &(page)->flags)
|
|
|
|
@@ -69,22 +70,45 @@ extern const char *yaffs_guts_c_version;
|
|
#define BDEVNAME_SIZE 0
|
|
#define yaffs_devname(sb, buf) kdevname(sb->s_dev)
|
|
|
|
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
|
|
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 5, 0))
|
|
/* added NCB 26/5/2006 for 2.4.25-vrs2-tcl1 kernel */
|
|
#define __user
|
|
#endif
|
|
|
|
#endif
|
|
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
|
|
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 26))
|
|
+#define YPROC_ROOT (&proc_root)
|
|
+#else
|
|
+#define YPROC_ROOT NULL
|
|
+#endif
|
|
+
|
|
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
|
|
#define WRITE_SIZE_STR "writesize"
|
|
-#define WRITE_SIZE(mtd) (mtd)->writesize
|
|
+#define WRITE_SIZE(mtd) ((mtd)->writesize)
|
|
#else
|
|
#define WRITE_SIZE_STR "oobblock"
|
|
-#define WRITE_SIZE(mtd) (mtd)->oobblock
|
|
+#define WRITE_SIZE(mtd) ((mtd)->oobblock)
|
|
#endif
|
|
|
|
-#include <asm/uaccess.h>
|
|
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 27))
|
|
+#define YAFFS_USE_WRITE_BEGIN_END 1
|
|
+#else
|
|
+#define YAFFS_USE_WRITE_BEGIN_END 0
|
|
+#endif
|
|
+
|
|
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 28))
|
|
+static uint32_t YCALCBLOCKS(uint64_t partition_size, uint32_t block_size)
|
|
+{
|
|
+ uint64_t result = partition_size;
|
|
+ do_div(result, block_size);
|
|
+ return (uint32_t)result;
|
|
+}
|
|
+#else
|
|
+#define YCALCBLOCKS(s, b) ((s)/(b))
|
|
+#endif
|
|
+
|
|
+#include <linux/uaccess.h>
|
|
|
|
#include "yportenv.h"
|
|
#include "yaffs_guts.h"
|
|
@@ -96,28 +120,44 @@ extern const char *yaffs_guts_c_version;
|
|
|
|
unsigned int yaffs_traceMask = YAFFS_TRACE_BAD_BLOCKS;
|
|
unsigned int yaffs_wr_attempts = YAFFS_WR_ATTEMPTS;
|
|
+unsigned int yaffs_auto_checkpoint = 1;
|
|
|
|
/* Module Parameters */
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
|
|
-module_param(yaffs_traceMask,uint,0644);
|
|
-module_param(yaffs_wr_attempts,uint,0644);
|
|
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
|
|
+module_param(yaffs_traceMask, uint, 0644);
|
|
+module_param(yaffs_wr_attempts, uint, 0644);
|
|
+module_param(yaffs_auto_checkpoint, uint, 0644);
|
|
+#else
|
|
+MODULE_PARM(yaffs_traceMask, "i");
|
|
+MODULE_PARM(yaffs_wr_attempts, "i");
|
|
+MODULE_PARM(yaffs_auto_checkpoint, "i");
|
|
+#endif
|
|
+
|
|
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 25))
|
|
+/* use iget and read_inode */
|
|
+#define Y_IGET(sb, inum) iget((sb), (inum))
|
|
+static void yaffs_read_inode(struct inode *inode);
|
|
+
|
|
#else
|
|
-MODULE_PARM(yaffs_traceMask,"i");
|
|
-MODULE_PARM(yaffs_wr_attempts,"i");
|
|
+/* Call local equivalent */
|
|
+#define YAFFS_USE_OWN_IGET
|
|
+#define Y_IGET(sb, inum) yaffs_iget((sb), (inum))
|
|
+
|
|
+static struct inode *yaffs_iget(struct super_block *sb, unsigned long ino);
|
|
#endif
|
|
|
|
/*#define T(x) printk x */
|
|
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,18))
|
|
-#define yaffs_InodeToObjectLV(iptr) (iptr)->i_private
|
|
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 18))
|
|
+#define yaffs_InodeToObjectLV(iptr) ((iptr)->i_private)
|
|
#else
|
|
-#define yaffs_InodeToObjectLV(iptr) (iptr)->u.generic_ip
|
|
+#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)
|
|
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
|
|
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
|
|
#define yaffs_SuperToDevice(sb) ((yaffs_Device *)sb->s_fs_info)
|
|
#else
|
|
#define yaffs_SuperToDevice(sb) ((yaffs_Device *)sb->u.generic_sbp)
|
|
@@ -126,47 +166,49 @@ MODULE_PARM(yaffs_wr_attempts,"i");
|
|
static void yaffs_put_super(struct super_block *sb);
|
|
|
|
static ssize_t yaffs_file_write(struct file *f, const char *buf, size_t n,
|
|
- loff_t * pos);
|
|
+ loff_t *pos);
|
|
+static ssize_t yaffs_hold_space(struct file *f);
|
|
+static void yaffs_release_space(struct file *f);
|
|
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
|
|
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
|
|
static int yaffs_file_flush(struct file *file, fl_owner_t id);
|
|
#else
|
|
static int yaffs_file_flush(struct file *file);
|
|
#endif
|
|
|
|
static int yaffs_sync_object(struct file *file, struct dentry *dentry,
|
|
- int datasync);
|
|
+ int datasync);
|
|
|
|
static int yaffs_readdir(struct file *f, void *dirent, filldir_t filldir);
|
|
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
|
|
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
|
|
static int yaffs_create(struct inode *dir, struct dentry *dentry, int mode,
|
|
struct nameidata *n);
|
|
static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry,
|
|
- struct nameidata *n);
|
|
+ struct nameidata *n);
|
|
#else
|
|
static int yaffs_create(struct inode *dir, struct dentry *dentry, int mode);
|
|
static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry);
|
|
#endif
|
|
static int yaffs_link(struct dentry *old_dentry, struct inode *dir,
|
|
- struct dentry *dentry);
|
|
+ struct dentry *dentry);
|
|
static int yaffs_unlink(struct inode *dir, struct dentry *dentry);
|
|
static int yaffs_symlink(struct inode *dir, struct dentry *dentry,
|
|
- const char *symname);
|
|
+ const char *symname);
|
|
static int yaffs_mkdir(struct inode *dir, struct dentry *dentry, int mode);
|
|
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
|
|
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
|
|
static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode,
|
|
- dev_t dev);
|
|
+ dev_t dev);
|
|
#else
|
|
static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode,
|
|
- int dev);
|
|
+ int dev);
|
|
#endif
|
|
static int yaffs_rename(struct inode *old_dir, struct dentry *old_dentry,
|
|
struct inode *new_dir, struct dentry *new_dentry);
|
|
static int yaffs_setattr(struct dentry *dentry, struct iattr *attr);
|
|
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
|
|
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
|
|
static int yaffs_sync_fs(struct super_block *sb, int wait);
|
|
static void yaffs_write_super(struct super_block *sb);
|
|
#else
|
|
@@ -174,33 +216,47 @@ static int yaffs_sync_fs(struct super_bl
|
|
static int yaffs_write_super(struct super_block *sb);
|
|
#endif
|
|
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
|
|
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
|
|
static int yaffs_statfs(struct dentry *dentry, struct kstatfs *buf);
|
|
-#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
|
|
+#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
|
|
static int yaffs_statfs(struct super_block *sb, struct kstatfs *buf);
|
|
#else
|
|
static int yaffs_statfs(struct super_block *sb, struct statfs *buf);
|
|
#endif
|
|
-static void yaffs_read_inode(struct inode *inode);
|
|
|
|
+#ifdef YAFFS_HAS_PUT_INODE
|
|
static void yaffs_put_inode(struct inode *inode);
|
|
+#endif
|
|
+
|
|
static void yaffs_delete_inode(struct inode *);
|
|
static void yaffs_clear_inode(struct inode *);
|
|
|
|
static int yaffs_readpage(struct file *file, struct page *page);
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
|
|
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
|
|
static int yaffs_writepage(struct page *page, struct writeback_control *wbc);
|
|
#else
|
|
static int yaffs_writepage(struct page *page);
|
|
#endif
|
|
+
|
|
+
|
|
+#if (YAFFS_USE_WRITE_BEGIN_END != 0)
|
|
+static int yaffs_write_begin(struct file *filp, struct address_space *mapping,
|
|
+ loff_t pos, unsigned len, unsigned flags,
|
|
+ struct page **pagep, void **fsdata);
|
|
+static int yaffs_write_end(struct file *filp, struct address_space *mapping,
|
|
+ loff_t pos, unsigned len, unsigned copied,
|
|
+ struct page *pg, void *fsdadata);
|
|
+#else
|
|
static int yaffs_prepare_write(struct file *f, struct page *pg,
|
|
- unsigned offset, unsigned to);
|
|
+ unsigned offset, unsigned to);
|
|
static int yaffs_commit_write(struct file *f, struct page *pg, unsigned offset,
|
|
- unsigned to);
|
|
+ unsigned to);
|
|
|
|
-static int yaffs_readlink(struct dentry *dentry, char __user * buffer,
|
|
- int buflen);
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,13))
|
|
+#endif
|
|
+
|
|
+static int yaffs_readlink(struct dentry *dentry, char __user *buffer,
|
|
+ int buflen);
|
|
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 13))
|
|
static void *yaffs_follow_link(struct dentry *dentry, struct nameidata *nd);
|
|
#else
|
|
static int yaffs_follow_link(struct dentry *dentry, struct nameidata *nd);
|
|
@@ -209,12 +265,17 @@ static int yaffs_follow_link(struct dent
|
|
static struct address_space_operations yaffs_file_address_operations = {
|
|
.readpage = yaffs_readpage,
|
|
.writepage = yaffs_writepage,
|
|
+#if (YAFFS_USE_WRITE_BEGIN_END > 0)
|
|
+ .write_begin = yaffs_write_begin,
|
|
+ .write_end = yaffs_write_end,
|
|
+#else
|
|
.prepare_write = yaffs_prepare_write,
|
|
.commit_write = yaffs_commit_write,
|
|
+#endif
|
|
};
|
|
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,22))
|
|
-static struct file_operations yaffs_file_operations = {
|
|
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 22))
|
|
+static const struct file_operations yaffs_file_operations = {
|
|
.read = do_sync_read,
|
|
.write = do_sync_write,
|
|
.aio_read = generic_file_aio_read,
|
|
@@ -224,11 +285,12 @@ static struct file_operations yaffs_file
|
|
.fsync = yaffs_sync_object,
|
|
.splice_read = generic_file_splice_read,
|
|
.splice_write = generic_file_splice_write,
|
|
+ .llseek = generic_file_llseek,
|
|
};
|
|
|
|
-#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,18))
|
|
+#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 18))
|
|
|
|
-static struct file_operations yaffs_file_operations = {
|
|
+static const struct file_operations yaffs_file_operations = {
|
|
.read = do_sync_read,
|
|
.write = do_sync_write,
|
|
.aio_read = generic_file_aio_read,
|
|
@@ -241,29 +303,29 @@ static struct file_operations yaffs_file
|
|
|
|
#else
|
|
|
|
-static struct file_operations yaffs_file_operations = {
|
|
+static const struct file_operations yaffs_file_operations = {
|
|
.read = generic_file_read,
|
|
.write = generic_file_write,
|
|
.mmap = generic_file_mmap,
|
|
.flush = yaffs_file_flush,
|
|
.fsync = yaffs_sync_object,
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
|
|
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
|
|
.sendfile = generic_file_sendfile,
|
|
#endif
|
|
};
|
|
#endif
|
|
|
|
-static struct inode_operations yaffs_file_inode_operations = {
|
|
+static const struct inode_operations yaffs_file_inode_operations = {
|
|
.setattr = yaffs_setattr,
|
|
};
|
|
|
|
-static struct inode_operations yaffs_symlink_inode_operations = {
|
|
+static const struct inode_operations yaffs_symlink_inode_operations = {
|
|
.readlink = yaffs_readlink,
|
|
.follow_link = yaffs_follow_link,
|
|
.setattr = yaffs_setattr,
|
|
};
|
|
|
|
-static struct inode_operations yaffs_dir_inode_operations = {
|
|
+static const struct inode_operations yaffs_dir_inode_operations = {
|
|
.create = yaffs_create,
|
|
.lookup = yaffs_lookup,
|
|
.link = yaffs_link,
|
|
@@ -276,16 +338,21 @@ static struct inode_operations yaffs_dir
|
|
.setattr = yaffs_setattr,
|
|
};
|
|
|
|
-static struct file_operations yaffs_dir_operations = {
|
|
+static const struct file_operations yaffs_dir_operations = {
|
|
.read = generic_read_dir,
|
|
.readdir = yaffs_readdir,
|
|
.fsync = yaffs_sync_object,
|
|
};
|
|
|
|
-static struct super_operations yaffs_super_ops = {
|
|
+static const struct super_operations yaffs_super_ops = {
|
|
.statfs = yaffs_statfs,
|
|
+
|
|
+#ifndef YAFFS_USE_OWN_IGET
|
|
.read_inode = yaffs_read_inode,
|
|
+#endif
|
|
+#ifdef YAFFS_HAS_PUT_INODE
|
|
.put_inode = yaffs_put_inode,
|
|
+#endif
|
|
.put_super = yaffs_put_super,
|
|
.delete_inode = yaffs_delete_inode,
|
|
.clear_inode = yaffs_clear_inode,
|
|
@@ -293,22 +360,21 @@ static struct super_operations yaffs_sup
|
|
.write_super = yaffs_write_super,
|
|
};
|
|
|
|
-static void yaffs_GrossLock(yaffs_Device * dev)
|
|
+static void yaffs_GrossLock(yaffs_Device *dev)
|
|
{
|
|
- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs locking\n"));
|
|
-
|
|
+ T(YAFFS_TRACE_OS, ("yaffs locking %p\n", current));
|
|
down(&dev->grossLock);
|
|
+ T(YAFFS_TRACE_OS, ("yaffs locked %p\n", current));
|
|
}
|
|
|
|
-static void yaffs_GrossUnlock(yaffs_Device * dev)
|
|
+static void yaffs_GrossUnlock(yaffs_Device *dev)
|
|
{
|
|
- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs unlocking\n"));
|
|
+ T(YAFFS_TRACE_OS, ("yaffs unlocking %p\n", current));
|
|
up(&dev->grossLock);
|
|
-
|
|
}
|
|
|
|
-static int yaffs_readlink(struct dentry *dentry, char __user * buffer,
|
|
- int buflen)
|
|
+static int yaffs_readlink(struct dentry *dentry, char __user *buffer,
|
|
+ int buflen)
|
|
{
|
|
unsigned char *alias;
|
|
int ret;
|
|
@@ -329,7 +395,7 @@ static int yaffs_readlink(struct dentry
|
|
return ret;
|
|
}
|
|
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,13))
|
|
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 13))
|
|
static void *yaffs_follow_link(struct dentry *dentry, struct nameidata *nd)
|
|
#else
|
|
static int yaffs_follow_link(struct dentry *dentry, struct nameidata *nd)
|
|
@@ -345,32 +411,31 @@ static int yaffs_follow_link(struct dent
|
|
|
|
yaffs_GrossUnlock(dev);
|
|
|
|
- if (!alias)
|
|
- {
|
|
+ if (!alias) {
|
|
ret = -ENOMEM;
|
|
goto out;
|
|
- }
|
|
+ }
|
|
|
|
ret = vfs_follow_link(nd, alias);
|
|
kfree(alias);
|
|
out:
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,13))
|
|
- return ERR_PTR (ret);
|
|
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 13))
|
|
+ return ERR_PTR(ret);
|
|
#else
|
|
return ret;
|
|
#endif
|
|
}
|
|
|
|
struct inode *yaffs_get_inode(struct super_block *sb, int mode, int dev,
|
|
- yaffs_Object * obj);
|
|
+ yaffs_Object *obj);
|
|
|
|
/*
|
|
* Lookup is used to find objects in the fs
|
|
*/
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
|
|
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
|
|
|
|
static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry,
|
|
- struct nameidata *n)
|
|
+ struct nameidata *n)
|
|
#else
|
|
static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry)
|
|
#endif
|
|
@@ -383,12 +448,11 @@ static struct dentry *yaffs_lookup(struc
|
|
yaffs_GrossLock(dev);
|
|
|
|
T(YAFFS_TRACE_OS,
|
|
- (KERN_DEBUG "yaffs_lookup for %d:%s\n",
|
|
- yaffs_InodeToObject(dir)->objectId, dentry->d_name.name));
|
|
+ ("yaffs_lookup for %d:%s\n",
|
|
+ yaffs_InodeToObject(dir)->objectId, dentry->d_name.name));
|
|
|
|
- obj =
|
|
- yaffs_FindObjectByName(yaffs_InodeToObject(dir),
|
|
- dentry->d_name.name);
|
|
+ obj = yaffs_FindObjectByName(yaffs_InodeToObject(dir),
|
|
+ dentry->d_name.name);
|
|
|
|
obj = yaffs_GetEquivalentObject(obj); /* in case it was a hardlink */
|
|
|
|
@@ -397,13 +461,13 @@ static struct dentry *yaffs_lookup(struc
|
|
|
|
if (obj) {
|
|
T(YAFFS_TRACE_OS,
|
|
- (KERN_DEBUG "yaffs_lookup found %d\n", obj->objectId));
|
|
+ ("yaffs_lookup found %d\n", obj->objectId));
|
|
|
|
inode = yaffs_get_inode(dir->i_sb, obj->yst_mode, 0, obj);
|
|
|
|
if (inode) {
|
|
T(YAFFS_TRACE_OS,
|
|
- (KERN_DEBUG "yaffs_loookup dentry \n"));
|
|
+ ("yaffs_loookup dentry \n"));
|
|
/* #if 0 asserted by NCB for 2.5/6 compatability - falls through to
|
|
* d_add even if NULL inode */
|
|
#if 0
|
|
@@ -416,7 +480,7 @@ static struct dentry *yaffs_lookup(struc
|
|
}
|
|
|
|
} else {
|
|
- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_lookup not found\n"));
|
|
+ T(YAFFS_TRACE_OS, ("yaffs_lookup not found\n"));
|
|
|
|
}
|
|
|
|
@@ -425,20 +489,22 @@ static struct dentry *yaffs_lookup(struc
|
|
d_add(dentry, inode);
|
|
|
|
return NULL;
|
|
- /* return (ERR_PTR(-EIO)); */
|
|
-
|
|
}
|
|
|
|
+
|
|
+#ifdef YAFFS_HAS_PUT_INODE
|
|
+
|
|
/* For now put inode is just for debugging
|
|
* Put inode is called when the inode **structure** is put.
|
|
*/
|
|
static void yaffs_put_inode(struct inode *inode)
|
|
{
|
|
T(YAFFS_TRACE_OS,
|
|
- ("yaffs_put_inode: ino %d, count %d\n", (int)inode->i_ino,
|
|
- atomic_read(&inode->i_count)));
|
|
+ ("yaffs_put_inode: ino %d, count %d\n", (int)inode->i_ino,
|
|
+ atomic_read(&inode->i_count)));
|
|
|
|
}
|
|
+#endif
|
|
|
|
/* clear is called to tell the fs to release any per-inode data it holds */
|
|
static void yaffs_clear_inode(struct inode *inode)
|
|
@@ -449,9 +515,9 @@ static void yaffs_clear_inode(struct ino
|
|
obj = yaffs_InodeToObject(inode);
|
|
|
|
T(YAFFS_TRACE_OS,
|
|
- ("yaffs_clear_inode: ino %d, count %d %s\n", (int)inode->i_ino,
|
|
- atomic_read(&inode->i_count),
|
|
- obj ? "object exists" : "null object"));
|
|
+ ("yaffs_clear_inode: ino %d, count %d %s\n", (int)inode->i_ino,
|
|
+ atomic_read(&inode->i_count),
|
|
+ obj ? "object exists" : "null object"));
|
|
|
|
if (obj) {
|
|
dev = obj->myDev;
|
|
@@ -486,23 +552,23 @@ static void yaffs_delete_inode(struct in
|
|
yaffs_Device *dev;
|
|
|
|
T(YAFFS_TRACE_OS,
|
|
- ("yaffs_delete_inode: ino %d, count %d %s\n", (int)inode->i_ino,
|
|
- atomic_read(&inode->i_count),
|
|
- obj ? "object exists" : "null object"));
|
|
+ ("yaffs_delete_inode: ino %d, count %d %s\n", (int)inode->i_ino,
|
|
+ atomic_read(&inode->i_count),
|
|
+ obj ? "object exists" : "null object"));
|
|
|
|
if (obj) {
|
|
dev = obj->myDev;
|
|
yaffs_GrossLock(dev);
|
|
- yaffs_DeleteFile(obj);
|
|
+ yaffs_DeleteObject(obj);
|
|
yaffs_GrossUnlock(dev);
|
|
}
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,13))
|
|
- truncate_inode_pages (&inode->i_data, 0);
|
|
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 13))
|
|
+ truncate_inode_pages(&inode->i_data, 0);
|
|
#endif
|
|
clear_inode(inode);
|
|
}
|
|
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
|
|
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
|
|
static int yaffs_file_flush(struct file *file, fl_owner_t id)
|
|
#else
|
|
static int yaffs_file_flush(struct file *file)
|
|
@@ -513,8 +579,8 @@ static int yaffs_file_flush(struct file
|
|
yaffs_Device *dev = obj->myDev;
|
|
|
|
T(YAFFS_TRACE_OS,
|
|
- (KERN_DEBUG "yaffs_file_flush object %d (%s)\n", obj->objectId,
|
|
- obj->dirty ? "dirty" : "clean"));
|
|
+ ("yaffs_file_flush object %d (%s)\n", obj->objectId,
|
|
+ obj->dirty ? "dirty" : "clean"));
|
|
|
|
yaffs_GrossLock(dev);
|
|
|
|
@@ -535,15 +601,15 @@ static int yaffs_readpage_nolock(struct
|
|
|
|
yaffs_Device *dev;
|
|
|
|
- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_readpage at %08x, size %08x\n",
|
|
- (unsigned)(pg->index << PAGE_CACHE_SHIFT),
|
|
- (unsigned)PAGE_CACHE_SIZE));
|
|
+ T(YAFFS_TRACE_OS, ("yaffs_readpage at %08x, size %08x\n",
|
|
+ (unsigned)(pg->index << PAGE_CACHE_SHIFT),
|
|
+ (unsigned)PAGE_CACHE_SIZE));
|
|
|
|
obj = yaffs_DentryToObject(f->f_dentry);
|
|
|
|
dev = obj->myDev;
|
|
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
|
|
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
|
|
BUG_ON(!PageLocked(pg));
|
|
#else
|
|
if (!PageLocked(pg))
|
|
@@ -555,9 +621,9 @@ static int yaffs_readpage_nolock(struct
|
|
|
|
yaffs_GrossLock(dev);
|
|
|
|
- ret =
|
|
- yaffs_ReadDataFromFile(obj, pg_buf, pg->index << PAGE_CACHE_SHIFT,
|
|
- PAGE_CACHE_SIZE);
|
|
+ ret = yaffs_ReadDataFromFile(obj, pg_buf,
|
|
+ pg->index << PAGE_CACHE_SHIFT,
|
|
+ PAGE_CACHE_SIZE);
|
|
|
|
yaffs_GrossUnlock(dev);
|
|
|
|
@@ -575,7 +641,7 @@ static int yaffs_readpage_nolock(struct
|
|
flush_dcache_page(pg);
|
|
kunmap(pg);
|
|
|
|
- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_readpage done\n"));
|
|
+ T(YAFFS_TRACE_OS, ("yaffs_readpage done\n"));
|
|
return ret;
|
|
}
|
|
|
|
@@ -593,7 +659,7 @@ static int yaffs_readpage(struct file *f
|
|
|
|
/* writepage inspired by/stolen from smbfs */
|
|
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
|
|
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
|
|
static int yaffs_writepage(struct page *page, struct writeback_control *wbc)
|
|
#else
|
|
static int yaffs_writepage(struct page *page)
|
|
@@ -616,12 +682,11 @@ static int yaffs_writepage(struct page *
|
|
|
|
if (offset > inode->i_size) {
|
|
T(YAFFS_TRACE_OS,
|
|
- (KERN_DEBUG
|
|
- "yaffs_writepage at %08x, inode size = %08x!!!\n",
|
|
- (unsigned)(page->index << PAGE_CACHE_SHIFT),
|
|
- (unsigned)inode->i_size));
|
|
+ ("yaffs_writepage at %08x, inode size = %08x!!!\n",
|
|
+ (unsigned)(page->index << PAGE_CACHE_SHIFT),
|
|
+ (unsigned)inode->i_size));
|
|
T(YAFFS_TRACE_OS,
|
|
- (KERN_DEBUG " -> don't care!!\n"));
|
|
+ (" -> don't care!!\n"));
|
|
unlock_page(page);
|
|
return 0;
|
|
}
|
|
@@ -629,11 +694,10 @@ static int yaffs_writepage(struct page *
|
|
end_index = inode->i_size >> PAGE_CACHE_SHIFT;
|
|
|
|
/* easy case */
|
|
- if (page->index < end_index) {
|
|
+ if (page->index < end_index)
|
|
nBytes = PAGE_CACHE_SIZE;
|
|
- } else {
|
|
+ else
|
|
nBytes = inode->i_size & (PAGE_CACHE_SIZE - 1);
|
|
- }
|
|
|
|
get_page(page);
|
|
|
|
@@ -643,19 +707,18 @@ static int yaffs_writepage(struct page *
|
|
yaffs_GrossLock(obj->myDev);
|
|
|
|
T(YAFFS_TRACE_OS,
|
|
- (KERN_DEBUG "yaffs_writepage at %08x, size %08x\n",
|
|
- (unsigned)(page->index << PAGE_CACHE_SHIFT), nBytes));
|
|
+ ("yaffs_writepage at %08x, size %08x\n",
|
|
+ (unsigned)(page->index << PAGE_CACHE_SHIFT), nBytes));
|
|
T(YAFFS_TRACE_OS,
|
|
- (KERN_DEBUG "writepag0: obj = %05x, ino = %05x\n",
|
|
- (int)obj->variant.fileVariant.fileSize, (int)inode->i_size));
|
|
+ ("writepag0: obj = %05x, ino = %05x\n",
|
|
+ (int)obj->variant.fileVariant.fileSize, (int)inode->i_size));
|
|
|
|
- nWritten =
|
|
- yaffs_WriteDataToFile(obj, buffer, page->index << PAGE_CACHE_SHIFT,
|
|
- nBytes, 0);
|
|
+ nWritten = yaffs_WriteDataToFile(obj, buffer,
|
|
+ page->index << PAGE_CACHE_SHIFT, nBytes, 0);
|
|
|
|
T(YAFFS_TRACE_OS,
|
|
- (KERN_DEBUG "writepag1: obj = %05x, ino = %05x\n",
|
|
- (int)obj->variant.fileVariant.fileSize, (int)inode->i_size));
|
|
+ ("writepag1: obj = %05x, ino = %05x\n",
|
|
+ (int)obj->variant.fileVariant.fileSize, (int)inode->i_size));
|
|
|
|
yaffs_GrossUnlock(obj->myDev);
|
|
|
|
@@ -667,100 +730,207 @@ static int yaffs_writepage(struct page *
|
|
return (nWritten == nBytes) ? 0 : -ENOSPC;
|
|
}
|
|
|
|
+
|
|
+#if (YAFFS_USE_WRITE_BEGIN_END > 0)
|
|
+static int yaffs_write_begin(struct file *filp, struct address_space *mapping,
|
|
+ loff_t pos, unsigned len, unsigned flags,
|
|
+ struct page **pagep, void **fsdata)
|
|
+{
|
|
+ struct page *pg = NULL;
|
|
+ pgoff_t index = pos >> PAGE_CACHE_SHIFT;
|
|
+ uint32_t offset = pos & (PAGE_CACHE_SIZE - 1);
|
|
+ uint32_t to = offset + len;
|
|
+
|
|
+ int ret = 0;
|
|
+ int space_held = 0;
|
|
+
|
|
+ T(YAFFS_TRACE_OS, ("start yaffs_write_begin\n"));
|
|
+ /* Get a page */
|
|
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 28)
|
|
+ pg = grab_cache_page_write_begin(mapping, index, flags);
|
|
+#else
|
|
+ pg = __grab_cache_page(mapping, index);
|
|
+#endif
|
|
+
|
|
+ *pagep = pg;
|
|
+ if (!pg) {
|
|
+ ret = -ENOMEM;
|
|
+ goto out;
|
|
+ }
|
|
+ /* Get fs space */
|
|
+ space_held = yaffs_hold_space(filp);
|
|
+
|
|
+ if (!space_held) {
|
|
+ ret = -ENOSPC;
|
|
+ goto out;
|
|
+ }
|
|
+
|
|
+ /* Update page if required */
|
|
+
|
|
+ if (!Page_Uptodate(pg) && (offset || to < PAGE_CACHE_SIZE))
|
|
+ ret = yaffs_readpage_nolock(filp, pg);
|
|
+
|
|
+ if (ret)
|
|
+ goto out;
|
|
+
|
|
+ /* Happy path return */
|
|
+ T(YAFFS_TRACE_OS, ("end yaffs_write_begin - ok\n"));
|
|
+
|
|
+ return 0;
|
|
+
|
|
+out:
|
|
+ T(YAFFS_TRACE_OS, ("end yaffs_write_begin fail returning %d\n", ret));
|
|
+ if (space_held)
|
|
+ yaffs_release_space(filp);
|
|
+ if (pg) {
|
|
+ unlock_page(pg);
|
|
+ page_cache_release(pg);
|
|
+ }
|
|
+ return ret;
|
|
+}
|
|
+
|
|
+#else
|
|
+
|
|
static int yaffs_prepare_write(struct file *f, struct page *pg,
|
|
- unsigned offset, unsigned to)
|
|
+ unsigned offset, unsigned to)
|
|
{
|
|
+ T(YAFFS_TRACE_OS, ("yaffs_prepair_write\n"));
|
|
|
|
- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_prepair_write\n"));
|
|
if (!Page_Uptodate(pg) && (offset || to < PAGE_CACHE_SIZE))
|
|
return yaffs_readpage_nolock(f, pg);
|
|
-
|
|
return 0;
|
|
+}
|
|
+#endif
|
|
+
|
|
+#if (YAFFS_USE_WRITE_BEGIN_END > 0)
|
|
+static int yaffs_write_end(struct file *filp, struct address_space *mapping,
|
|
+ loff_t pos, unsigned len, unsigned copied,
|
|
+ struct page *pg, void *fsdadata)
|
|
+{
|
|
+ int ret = 0;
|
|
+ void *addr, *kva;
|
|
+ uint32_t offset_into_page = pos & (PAGE_CACHE_SIZE - 1);
|
|
+
|
|
+ kva = kmap(pg);
|
|
+ addr = kva + offset_into_page;
|
|
+
|
|
+ T(YAFFS_TRACE_OS,
|
|
+ ("yaffs_write_end addr %x pos %x nBytes %d\n",
|
|
+ (unsigned) addr,
|
|
+ (int)pos, copied));
|
|
+
|
|
+ ret = yaffs_file_write(filp, addr, copied, &pos);
|
|
+
|
|
+ if (ret != copied) {
|
|
+ T(YAFFS_TRACE_OS,
|
|
+ ("yaffs_write_end not same size ret %d copied %d\n",
|
|
+ ret, copied));
|
|
+ SetPageError(pg);
|
|
+ ClearPageUptodate(pg);
|
|
+ } else {
|
|
+ SetPageUptodate(pg);
|
|
+ }
|
|
+
|
|
+ kunmap(pg);
|
|
|
|
+ yaffs_release_space(filp);
|
|
+ unlock_page(pg);
|
|
+ page_cache_release(pg);
|
|
+ return ret;
|
|
}
|
|
+#else
|
|
|
|
static int yaffs_commit_write(struct file *f, struct page *pg, unsigned offset,
|
|
- unsigned to)
|
|
+ unsigned to)
|
|
{
|
|
+ void *addr, *kva;
|
|
|
|
- void *addr = page_address(pg) + offset;
|
|
loff_t pos = (((loff_t) pg->index) << PAGE_CACHE_SHIFT) + offset;
|
|
int nBytes = to - offset;
|
|
int nWritten;
|
|
|
|
unsigned spos = pos;
|
|
- unsigned saddr = (unsigned)addr;
|
|
+ unsigned saddr;
|
|
+
|
|
+ kva = kmap(pg);
|
|
+ addr = kva + offset;
|
|
+
|
|
+ saddr = (unsigned) addr;
|
|
|
|
T(YAFFS_TRACE_OS,
|
|
- (KERN_DEBUG "yaffs_commit_write addr %x pos %x nBytes %d\n", saddr,
|
|
- spos, nBytes));
|
|
+ ("yaffs_commit_write addr %x pos %x nBytes %d\n",
|
|
+ saddr, spos, nBytes));
|
|
|
|
nWritten = yaffs_file_write(f, addr, nBytes, &pos);
|
|
|
|
if (nWritten != nBytes) {
|
|
T(YAFFS_TRACE_OS,
|
|
- (KERN_DEBUG
|
|
- "yaffs_commit_write not same size nWritten %d nBytes %d\n",
|
|
- nWritten, nBytes));
|
|
+ ("yaffs_commit_write not same size nWritten %d nBytes %d\n",
|
|
+ nWritten, nBytes));
|
|
SetPageError(pg);
|
|
ClearPageUptodate(pg);
|
|
} else {
|
|
SetPageUptodate(pg);
|
|
}
|
|
|
|
+ kunmap(pg);
|
|
+
|
|
T(YAFFS_TRACE_OS,
|
|
- (KERN_DEBUG "yaffs_commit_write returning %d\n",
|
|
- nWritten == nBytes ? 0 : nWritten));
|
|
+ ("yaffs_commit_write returning %d\n",
|
|
+ nWritten == nBytes ? 0 : nWritten));
|
|
|
|
return nWritten == nBytes ? 0 : nWritten;
|
|
-
|
|
}
|
|
+#endif
|
|
+
|
|
|
|
-static void yaffs_FillInodeFromObject(struct inode *inode, yaffs_Object * obj)
|
|
+static void yaffs_FillInodeFromObject(struct inode *inode, yaffs_Object *obj)
|
|
{
|
|
if (inode && obj) {
|
|
|
|
|
|
/* Check mode against the variant type and attempt to repair if broken. */
|
|
- __u32 mode = obj->yst_mode;
|
|
- switch( obj->variantType ){
|
|
- case YAFFS_OBJECT_TYPE_FILE :
|
|
- if( ! S_ISREG(mode) ){
|
|
- obj->yst_mode &= ~S_IFMT;
|
|
- obj->yst_mode |= S_IFREG;
|
|
- }
|
|
-
|
|
- break;
|
|
- case YAFFS_OBJECT_TYPE_SYMLINK :
|
|
- if( ! S_ISLNK(mode) ){
|
|
- obj->yst_mode &= ~S_IFMT;
|
|
- obj->yst_mode |= S_IFLNK;
|
|
- }
|
|
-
|
|
- break;
|
|
- case YAFFS_OBJECT_TYPE_DIRECTORY :
|
|
- if( ! S_ISDIR(mode) ){
|
|
- obj->yst_mode &= ~S_IFMT;
|
|
- obj->yst_mode |= S_IFDIR;
|
|
- }
|
|
-
|
|
- break;
|
|
- case YAFFS_OBJECT_TYPE_UNKNOWN :
|
|
- case YAFFS_OBJECT_TYPE_HARDLINK :
|
|
- case YAFFS_OBJECT_TYPE_SPECIAL :
|
|
- default:
|
|
- /* TODO? */
|
|
- break;
|
|
- }
|
|
+ __u32 mode = obj->yst_mode;
|
|
+ switch (obj->variantType) {
|
|
+ case YAFFS_OBJECT_TYPE_FILE:
|
|
+ if (!S_ISREG(mode)) {
|
|
+ obj->yst_mode &= ~S_IFMT;
|
|
+ obj->yst_mode |= S_IFREG;
|
|
+ }
|
|
+
|
|
+ break;
|
|
+ case YAFFS_OBJECT_TYPE_SYMLINK:
|
|
+ if (!S_ISLNK(mode)) {
|
|
+ obj->yst_mode &= ~S_IFMT;
|
|
+ obj->yst_mode |= S_IFLNK;
|
|
+ }
|
|
+
|
|
+ break;
|
|
+ case YAFFS_OBJECT_TYPE_DIRECTORY:
|
|
+ if (!S_ISDIR(mode)) {
|
|
+ obj->yst_mode &= ~S_IFMT;
|
|
+ obj->yst_mode |= S_IFDIR;
|
|
+ }
|
|
+
|
|
+ break;
|
|
+ case YAFFS_OBJECT_TYPE_UNKNOWN:
|
|
+ case YAFFS_OBJECT_TYPE_HARDLINK:
|
|
+ case YAFFS_OBJECT_TYPE_SPECIAL:
|
|
+ default:
|
|
+ /* TODO? */
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ inode->i_flags |= S_NOATIME;
|
|
|
|
inode->i_ino = obj->objectId;
|
|
inode->i_mode = obj->yst_mode;
|
|
inode->i_uid = obj->yst_uid;
|
|
inode->i_gid = obj->yst_gid;
|
|
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19))
|
|
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19))
|
|
inode->i_blksize = inode->i_sb->s_blocksize;
|
|
#endif
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
|
|
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
|
|
|
|
inode->i_rdev = old_decode_dev(obj->yst_rdev);
|
|
inode->i_atime.tv_sec = (time_t) (obj->yst_atime);
|
|
@@ -781,26 +951,25 @@ static void yaffs_FillInodeFromObject(st
|
|
inode->i_nlink = yaffs_GetObjectLinkCount(obj);
|
|
|
|
T(YAFFS_TRACE_OS,
|
|
- (KERN_DEBUG
|
|
- "yaffs_FillInode 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)));
|
|
+ ("yaffs_FillInode 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)));
|
|
|
|
switch (obj->yst_mode & S_IFMT) {
|
|
default: /* fifo, device or socket */
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
|
|
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
|
|
init_special_inode(inode, obj->yst_mode,
|
|
- old_decode_dev(obj->yst_rdev));
|
|
+ old_decode_dev(obj->yst_rdev));
|
|
#else
|
|
init_special_inode(inode, obj->yst_mode,
|
|
- (dev_t) (obj->yst_rdev));
|
|
+ (dev_t) (obj->yst_rdev));
|
|
#endif
|
|
break;
|
|
case S_IFREG: /* file */
|
|
inode->i_op = &yaffs_file_inode_operations;
|
|
inode->i_fop = &yaffs_file_operations;
|
|
inode->i_mapping->a_ops =
|
|
- &yaffs_file_address_operations;
|
|
+ &yaffs_file_address_operations;
|
|
break;
|
|
case S_IFDIR: /* directory */
|
|
inode->i_op = &yaffs_dir_inode_operations;
|
|
@@ -817,34 +986,36 @@ static void yaffs_FillInodeFromObject(st
|
|
|
|
} else {
|
|
T(YAFFS_TRACE_OS,
|
|
- (KERN_DEBUG "yaffs_FileInode invalid parameters\n"));
|
|
+ ("yaffs_FileInode invalid parameters\n"));
|
|
}
|
|
|
|
}
|
|
|
|
struct inode *yaffs_get_inode(struct super_block *sb, int mode, int dev,
|
|
- yaffs_Object * obj)
|
|
+ yaffs_Object *obj)
|
|
{
|
|
struct inode *inode;
|
|
|
|
if (!sb) {
|
|
T(YAFFS_TRACE_OS,
|
|
- (KERN_DEBUG "yaffs_get_inode for NULL super_block!!\n"));
|
|
+ ("yaffs_get_inode for NULL super_block!!\n"));
|
|
return NULL;
|
|
|
|
}
|
|
|
|
if (!obj) {
|
|
T(YAFFS_TRACE_OS,
|
|
- (KERN_DEBUG "yaffs_get_inode for NULL object!!\n"));
|
|
+ ("yaffs_get_inode for NULL object!!\n"));
|
|
return NULL;
|
|
|
|
}
|
|
|
|
T(YAFFS_TRACE_OS,
|
|
- (KERN_DEBUG "yaffs_get_inode for object %d\n", obj->objectId));
|
|
+ ("yaffs_get_inode for object %d\n", obj->objectId));
|
|
|
|
- inode = iget(sb, obj->objectId);
|
|
+ inode = Y_IGET(sb, obj->objectId);
|
|
+ if (IS_ERR(inode))
|
|
+ return NULL;
|
|
|
|
/* NB Side effect: iget calls back to yaffs_read_inode(). */
|
|
/* iget also increments the inode's i_count */
|
|
@@ -854,7 +1025,7 @@ struct inode *yaffs_get_inode(struct sup
|
|
}
|
|
|
|
static ssize_t yaffs_file_write(struct file *f, const char *buf, size_t n,
|
|
- loff_t * pos)
|
|
+ loff_t *pos)
|
|
{
|
|
yaffs_Object *obj;
|
|
int nWritten, ipos;
|
|
@@ -869,28 +1040,26 @@ static ssize_t yaffs_file_write(struct f
|
|
|
|
inode = f->f_dentry->d_inode;
|
|
|
|
- if (!S_ISBLK(inode->i_mode) && f->f_flags & O_APPEND) {
|
|
+ if (!S_ISBLK(inode->i_mode) && f->f_flags & O_APPEND)
|
|
ipos = inode->i_size;
|
|
- } else {
|
|
+ else
|
|
ipos = *pos;
|
|
- }
|
|
|
|
- if (!obj) {
|
|
+ if (!obj)
|
|
T(YAFFS_TRACE_OS,
|
|
- (KERN_DEBUG "yaffs_file_write: hey obj is null!\n"));
|
|
- } else {
|
|
+ ("yaffs_file_write: hey obj is null!\n"));
|
|
+ else
|
|
T(YAFFS_TRACE_OS,
|
|
- (KERN_DEBUG
|
|
- "yaffs_file_write about to write writing %d bytes"
|
|
- "to object %d at %d\n",
|
|
- n, obj->objectId, ipos));
|
|
- }
|
|
+ ("yaffs_file_write about to write writing %zu bytes"
|
|
+ "to object %d at %d\n",
|
|
+ n, obj->objectId, ipos));
|
|
|
|
nWritten = yaffs_WriteDataToFile(obj, buf, ipos, n, 0);
|
|
|
|
T(YAFFS_TRACE_OS,
|
|
- (KERN_DEBUG "yaffs_file_write writing %d bytes, %d written at %d\n",
|
|
- n, nWritten, ipos));
|
|
+ ("yaffs_file_write writing %zu bytes, %d written at %d\n",
|
|
+ n, nWritten, ipos));
|
|
+
|
|
if (nWritten > 0) {
|
|
ipos += nWritten;
|
|
*pos = ipos;
|
|
@@ -899,10 +1068,9 @@ static ssize_t yaffs_file_write(struct f
|
|
inode->i_blocks = (ipos + 511) >> 9;
|
|
|
|
T(YAFFS_TRACE_OS,
|
|
- (KERN_DEBUG
|
|
- "yaffs_file_write size updated to %d bytes, "
|
|
- "%d blocks\n",
|
|
- ipos, (int)(inode->i_blocks)));
|
|
+ ("yaffs_file_write size updated to %d bytes, "
|
|
+ "%d blocks\n",
|
|
+ ipos, (int)(inode->i_blocks)));
|
|
}
|
|
|
|
}
|
|
@@ -910,13 +1078,54 @@ static ssize_t yaffs_file_write(struct f
|
|
return nWritten == 0 ? -ENOSPC : nWritten;
|
|
}
|
|
|
|
+/* Space holding and freeing is done to ensure we have space available for write_begin/end */
|
|
+/* For now we just assume few parallel writes and check against a small number. */
|
|
+/* Todo: need to do this with a counter to handle parallel reads better */
|
|
+
|
|
+static ssize_t yaffs_hold_space(struct file *f)
|
|
+{
|
|
+ yaffs_Object *obj;
|
|
+ yaffs_Device *dev;
|
|
+
|
|
+ int nFreeChunks;
|
|
+
|
|
+
|
|
+ obj = yaffs_DentryToObject(f->f_dentry);
|
|
+
|
|
+ dev = obj->myDev;
|
|
+
|
|
+ yaffs_GrossLock(dev);
|
|
+
|
|
+ nFreeChunks = yaffs_GetNumberOfFreeChunks(dev);
|
|
+
|
|
+ yaffs_GrossUnlock(dev);
|
|
+
|
|
+ return (nFreeChunks > 20) ? 1 : 0;
|
|
+}
|
|
+
|
|
+static void yaffs_release_space(struct file *f)
|
|
+{
|
|
+ yaffs_Object *obj;
|
|
+ yaffs_Device *dev;
|
|
+
|
|
+
|
|
+ obj = yaffs_DentryToObject(f->f_dentry);
|
|
+
|
|
+ dev = obj->myDev;
|
|
+
|
|
+ yaffs_GrossLock(dev);
|
|
+
|
|
+
|
|
+ yaffs_GrossUnlock(dev);
|
|
+}
|
|
+
|
|
static int yaffs_readdir(struct file *f, void *dirent, filldir_t filldir)
|
|
{
|
|
yaffs_Object *obj;
|
|
yaffs_Device *dev;
|
|
struct inode *inode = f->f_dentry->d_inode;
|
|
unsigned long offset, curoffs;
|
|
- struct list_head *i;
|
|
+ struct ylist_head *i;
|
|
yaffs_Object *l;
|
|
|
|
char name[YAFFS_MAX_NAME_LENGTH + 1];
|
|
@@ -932,24 +1141,20 @@ static int yaffs_readdir(struct file *f,
|
|
|
|
if (offset == 0) {
|
|
T(YAFFS_TRACE_OS,
|
|
- (KERN_DEBUG "yaffs_readdir: entry . ino %d \n",
|
|
- (int)inode->i_ino));
|
|
- if (filldir(dirent, ".", 1, offset, inode->i_ino, DT_DIR)
|
|
- < 0) {
|
|
+ ("yaffs_readdir: entry . ino %d \n",
|
|
+ (int)inode->i_ino));
|
|
+ if (filldir(dirent, ".", 1, offset, inode->i_ino, DT_DIR) < 0)
|
|
goto out;
|
|
- }
|
|
offset++;
|
|
f->f_pos++;
|
|
}
|
|
if (offset == 1) {
|
|
T(YAFFS_TRACE_OS,
|
|
- (KERN_DEBUG "yaffs_readdir: entry .. ino %d \n",
|
|
- (int)f->f_dentry->d_parent->d_inode->i_ino));
|
|
- if (filldir
|
|
- (dirent, "..", 2, offset,
|
|
- f->f_dentry->d_parent->d_inode->i_ino, DT_DIR) < 0) {
|
|
+ ("yaffs_readdir: entry .. ino %d \n",
|
|
+ (int)f->f_dentry->d_parent->d_inode->i_ino));
|
|
+ if (filldir(dirent, "..", 2, offset,
|
|
+ f->f_dentry->d_parent->d_inode->i_ino, DT_DIR) < 0)
|
|
goto out;
|
|
- }
|
|
offset++;
|
|
f->f_pos++;
|
|
}
|
|
@@ -965,35 +1170,32 @@ static int yaffs_readdir(struct file *f,
|
|
f->f_version = inode->i_version;
|
|
}
|
|
|
|
- list_for_each(i, &obj->variant.directoryVariant.children) {
|
|
+ ylist_for_each(i, &obj->variant.directoryVariant.children) {
|
|
curoffs++;
|
|
if (curoffs >= offset) {
|
|
- l = list_entry(i, yaffs_Object, siblings);
|
|
+ l = ylist_entry(i, yaffs_Object, siblings);
|
|
|
|
yaffs_GetObjectName(l, name,
|
|
YAFFS_MAX_NAME_LENGTH + 1);
|
|
T(YAFFS_TRACE_OS,
|
|
- (KERN_DEBUG "yaffs_readdir: %s inode %d\n", name,
|
|
+ ("yaffs_readdir: %s inode %d\n", name,
|
|
yaffs_GetObjectInode(l)));
|
|
|
|
if (filldir(dirent,
|
|
- name,
|
|
- strlen(name),
|
|
- offset,
|
|
- yaffs_GetObjectInode(l),
|
|
- yaffs_GetObjectType(l))
|
|
- < 0) {
|
|
+ name,
|
|
+ strlen(name),
|
|
+ offset,
|
|
+ yaffs_GetObjectInode(l),
|
|
+ yaffs_GetObjectType(l)) < 0)
|
|
goto up_and_out;
|
|
- }
|
|
|
|
offset++;
|
|
f->f_pos++;
|
|
}
|
|
}
|
|
|
|
- up_and_out:
|
|
- out:
|
|
-
|
|
+up_and_out:
|
|
+out:
|
|
yaffs_GrossUnlock(dev);
|
|
|
|
return 0;
|
|
@@ -1002,12 +1204,19 @@ static int yaffs_readdir(struct file *f,
|
|
/*
|
|
* File creation. Allocate an inode, and we're done..
|
|
*/
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
|
|
+
|
|
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 29)
|
|
+#define YCRED(x) x
|
|
+#else
|
|
+#define YCRED(x) (x->cred)
|
|
+#endif
|
|
+
|
|
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
|
|
static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode,
|
|
- dev_t rdev)
|
|
+ dev_t rdev)
|
|
#else
|
|
static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode,
|
|
- int rdev)
|
|
+ int rdev)
|
|
#endif
|
|
{
|
|
struct inode *inode;
|
|
@@ -1018,25 +1227,25 @@ static int yaffs_mknod(struct inode *dir
|
|
yaffs_Object *parent = yaffs_InodeToObject(dir);
|
|
|
|
int error = -ENOSPC;
|
|
- uid_t uid = current->fsuid;
|
|
- gid_t gid = (dir->i_mode & S_ISGID) ? dir->i_gid : current->fsgid;
|
|
+ uid_t uid = YCRED(current)->fsuid;
|
|
+ gid_t gid = (dir->i_mode & S_ISGID) ? dir->i_gid : YCRED(current)->fsgid;
|
|
|
|
- if((dir->i_mode & S_ISGID) && S_ISDIR(mode))
|
|
+ if ((dir->i_mode & S_ISGID) && S_ISDIR(mode))
|
|
mode |= S_ISGID;
|
|
|
|
if (parent) {
|
|
T(YAFFS_TRACE_OS,
|
|
- (KERN_DEBUG "yaffs_mknod: parent object %d type %d\n",
|
|
- parent->objectId, parent->variantType));
|
|
+ ("yaffs_mknod: parent object %d type %d\n",
|
|
+ parent->objectId, parent->variantType));
|
|
} else {
|
|
T(YAFFS_TRACE_OS,
|
|
- (KERN_DEBUG "yaffs_mknod: could not get parent object\n"));
|
|
+ ("yaffs_mknod: could not get parent object\n"));
|
|
return -EPERM;
|
|
}
|
|
|
|
T(YAFFS_TRACE_OS, ("yaffs_mknod: making oject for %s, "
|
|
- "mode %x dev %x\n",
|
|
- dentry->d_name.name, mode, rdev));
|
|
+ "mode %x dev %x\n",
|
|
+ dentry->d_name.name, mode, rdev));
|
|
|
|
dev = parent->myDev;
|
|
|
|
@@ -1045,33 +1254,28 @@ static int yaffs_mknod(struct inode *dir
|
|
switch (mode & S_IFMT) {
|
|
default:
|
|
/* Special (socket, fifo, device...) */
|
|
- T(YAFFS_TRACE_OS, (KERN_DEBUG
|
|
- "yaffs_mknod: making special\n"));
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
|
|
- obj =
|
|
- yaffs_MknodSpecial(parent, dentry->d_name.name, mode, uid,
|
|
- gid, old_encode_dev(rdev));
|
|
-#else
|
|
- obj =
|
|
- yaffs_MknodSpecial(parent, dentry->d_name.name, mode, uid,
|
|
- gid, rdev);
|
|
+ T(YAFFS_TRACE_OS, ("yaffs_mknod: making special\n"));
|
|
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
|
|
+ obj = yaffs_MknodSpecial(parent, dentry->d_name.name, mode, uid,
|
|
+ gid, old_encode_dev(rdev));
|
|
+#else
|
|
+ obj = yaffs_MknodSpecial(parent, dentry->d_name.name, mode, uid,
|
|
+ gid, rdev);
|
|
#endif
|
|
break;
|
|
case S_IFREG: /* file */
|
|
- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_mknod: making file\n"));
|
|
- obj =
|
|
- yaffs_MknodFile(parent, dentry->d_name.name, mode, uid,
|
|
- gid);
|
|
+ T(YAFFS_TRACE_OS, ("yaffs_mknod: making file\n"));
|
|
+ obj = yaffs_MknodFile(parent, dentry->d_name.name, mode, uid,
|
|
+ gid);
|
|
break;
|
|
case S_IFDIR: /* directory */
|
|
T(YAFFS_TRACE_OS,
|
|
- (KERN_DEBUG "yaffs_mknod: making directory\n"));
|
|
- obj =
|
|
- yaffs_MknodDirectory(parent, dentry->d_name.name, mode,
|
|
- uid, gid);
|
|
+ ("yaffs_mknod: making directory\n"));
|
|
+ obj = yaffs_MknodDirectory(parent, dentry->d_name.name, mode,
|
|
+ uid, gid);
|
|
break;
|
|
case S_IFLNK: /* symlink */
|
|
- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_mknod: making file\n"));
|
|
+ T(YAFFS_TRACE_OS, ("yaffs_mknod: making symlink\n"));
|
|
obj = NULL; /* Do we ever get here? */
|
|
break;
|
|
}
|
|
@@ -1083,12 +1287,12 @@ static int yaffs_mknod(struct inode *dir
|
|
inode = yaffs_get_inode(dir->i_sb, mode, rdev, obj);
|
|
d_instantiate(dentry, inode);
|
|
T(YAFFS_TRACE_OS,
|
|
- (KERN_DEBUG "yaffs_mknod created object %d count = %d\n",
|
|
- obj->objectId, atomic_read(&inode->i_count)));
|
|
+ ("yaffs_mknod created object %d count = %d\n",
|
|
+ obj->objectId, atomic_read(&inode->i_count)));
|
|
error = 0;
|
|
} else {
|
|
T(YAFFS_TRACE_OS,
|
|
- (KERN_DEBUG "yaffs_mknod failed making object\n"));
|
|
+ ("yaffs_mknod failed making object\n"));
|
|
error = -ENOMEM;
|
|
}
|
|
|
|
@@ -1098,25 +1302,19 @@ static int yaffs_mknod(struct inode *dir
|
|
static int yaffs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
|
|
{
|
|
int retVal;
|
|
- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_mkdir\n"));
|
|
+ T(YAFFS_TRACE_OS, ("yaffs_mkdir\n"));
|
|
retVal = yaffs_mknod(dir, dentry, mode | S_IFDIR, 0);
|
|
-#if 0
|
|
- /* attempt to fix dir bug - didn't work */
|
|
- if (!retVal) {
|
|
- dget(dentry);
|
|
- }
|
|
-#endif
|
|
return retVal;
|
|
}
|
|
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
|
|
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
|
|
static int yaffs_create(struct inode *dir, struct dentry *dentry, int mode,
|
|
struct nameidata *n)
|
|
#else
|
|
static int yaffs_create(struct inode *dir, struct dentry *dentry, int mode)
|
|
#endif
|
|
{
|
|
- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_create\n"));
|
|
+ T(YAFFS_TRACE_OS, ("yaffs_create\n"));
|
|
return yaffs_mknod(dir, dentry, mode | S_IFREG, 0);
|
|
}
|
|
|
|
@@ -1127,8 +1325,8 @@ static int yaffs_unlink(struct inode *di
|
|
yaffs_Device *dev;
|
|
|
|
T(YAFFS_TRACE_OS,
|
|
- (KERN_DEBUG "yaffs_unlink %d:%s\n", (int)(dir->i_ino),
|
|
- dentry->d_name.name));
|
|
+ ("yaffs_unlink %d:%s\n", (int)(dir->i_ino),
|
|
+ dentry->d_name.name));
|
|
|
|
dev = yaffs_InodeToObject(dir)->myDev;
|
|
|
|
@@ -1151,82 +1349,74 @@ static int yaffs_unlink(struct inode *di
|
|
* Create a link...
|
|
*/
|
|
static int yaffs_link(struct dentry *old_dentry, struct inode *dir,
|
|
- struct dentry *dentry)
|
|
+ struct dentry *dentry)
|
|
{
|
|
struct inode *inode = old_dentry->d_inode;
|
|
yaffs_Object *obj = NULL;
|
|
yaffs_Object *link = NULL;
|
|
yaffs_Device *dev;
|
|
|
|
- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_link\n"));
|
|
+ T(YAFFS_TRACE_OS, ("yaffs_link\n"));
|
|
|
|
obj = yaffs_InodeToObject(inode);
|
|
dev = obj->myDev;
|
|
|
|
yaffs_GrossLock(dev);
|
|
|
|
- if (!S_ISDIR(inode->i_mode)) /* Don't link directories */
|
|
- {
|
|
- link =
|
|
- yaffs_Link(yaffs_InodeToObject(dir), dentry->d_name.name,
|
|
- obj);
|
|
- }
|
|
+ if (!S_ISDIR(inode->i_mode)) /* Don't link directories */
|
|
+ link = yaffs_Link(yaffs_InodeToObject(dir), dentry->d_name.name,
|
|
+ obj);
|
|
|
|
if (link) {
|
|
old_dentry->d_inode->i_nlink = yaffs_GetObjectLinkCount(obj);
|
|
d_instantiate(dentry, old_dentry->d_inode);
|
|
atomic_inc(&old_dentry->d_inode->i_count);
|
|
T(YAFFS_TRACE_OS,
|
|
- (KERN_DEBUG "yaffs_link link count %d i_count %d\n",
|
|
- old_dentry->d_inode->i_nlink,
|
|
- atomic_read(&old_dentry->d_inode->i_count)));
|
|
-
|
|
+ ("yaffs_link link count %d i_count %d\n",
|
|
+ old_dentry->d_inode->i_nlink,
|
|
+ atomic_read(&old_dentry->d_inode->i_count)));
|
|
}
|
|
|
|
yaffs_GrossUnlock(dev);
|
|
|
|
- if (link) {
|
|
-
|
|
+ if (link)
|
|
return 0;
|
|
- }
|
|
|
|
return -EPERM;
|
|
}
|
|
|
|
static int yaffs_symlink(struct inode *dir, struct dentry *dentry,
|
|
- const char *symname)
|
|
+ const char *symname)
|
|
{
|
|
yaffs_Object *obj;
|
|
yaffs_Device *dev;
|
|
- uid_t uid = current->fsuid;
|
|
- gid_t gid = (dir->i_mode & S_ISGID) ? dir->i_gid : current->fsgid;
|
|
+ uid_t uid = YCRED(current)->fsuid;
|
|
+ gid_t gid = (dir->i_mode & S_ISGID) ? dir->i_gid : YCRED(current)->fsgid;
|
|
|
|
- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_symlink\n"));
|
|
+ T(YAFFS_TRACE_OS, ("yaffs_symlink\n"));
|
|
|
|
dev = yaffs_InodeToObject(dir)->myDev;
|
|
yaffs_GrossLock(dev);
|
|
obj = yaffs_MknodSymLink(yaffs_InodeToObject(dir), dentry->d_name.name,
|
|
- S_IFLNK | S_IRWXUGO, uid, gid, symname);
|
|
+ S_IFLNK | S_IRWXUGO, uid, gid, symname);
|
|
yaffs_GrossUnlock(dev);
|
|
|
|
if (obj) {
|
|
-
|
|
struct inode *inode;
|
|
|
|
inode = yaffs_get_inode(dir->i_sb, obj->yst_mode, 0, obj);
|
|
d_instantiate(dentry, inode);
|
|
- T(YAFFS_TRACE_OS, (KERN_DEBUG "symlink created OK\n"));
|
|
+ T(YAFFS_TRACE_OS, ("symlink created OK\n"));
|
|
return 0;
|
|
} else {
|
|
- T(YAFFS_TRACE_OS, (KERN_DEBUG "symlink not created\n"));
|
|
-
|
|
+ T(YAFFS_TRACE_OS, ("symlink not created\n"));
|
|
}
|
|
|
|
return -ENOMEM;
|
|
}
|
|
|
|
static int yaffs_sync_object(struct file *file, struct dentry *dentry,
|
|
- int datasync)
|
|
+ int datasync)
|
|
{
|
|
|
|
yaffs_Object *obj;
|
|
@@ -1236,7 +1426,7 @@ static int yaffs_sync_object(struct file
|
|
|
|
dev = obj->myDev;
|
|
|
|
- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_sync_object\n"));
|
|
+ T(YAFFS_TRACE_OS, ("yaffs_sync_object\n"));
|
|
yaffs_GrossLock(dev);
|
|
yaffs_FlushFile(obj, 1);
|
|
yaffs_GrossUnlock(dev);
|
|
@@ -1255,41 +1445,36 @@ static int yaffs_rename(struct inode *ol
|
|
int retVal = YAFFS_FAIL;
|
|
yaffs_Object *target;
|
|
|
|
- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_rename\n"));
|
|
+ T(YAFFS_TRACE_OS, ("yaffs_rename\n"));
|
|
dev = yaffs_InodeToObject(old_dir)->myDev;
|
|
|
|
yaffs_GrossLock(dev);
|
|
|
|
/* Check if the target is an existing directory that is not empty. */
|
|
- target =
|
|
- yaffs_FindObjectByName(yaffs_InodeToObject(new_dir),
|
|
- new_dentry->d_name.name);
|
|
+ target = yaffs_FindObjectByName(yaffs_InodeToObject(new_dir),
|
|
+ new_dentry->d_name.name);
|
|
|
|
|
|
|
|
- if (target &&
|
|
- target->variantType == YAFFS_OBJECT_TYPE_DIRECTORY &&
|
|
- !list_empty(&target->variant.directoryVariant.children)) {
|
|
+ if (target && target->variantType == YAFFS_OBJECT_TYPE_DIRECTORY &&
|
|
+ !ylist_empty(&target->variant.directoryVariant.children)) {
|
|
|
|
- T(YAFFS_TRACE_OS, (KERN_DEBUG "target is non-empty dir\n"));
|
|
+ T(YAFFS_TRACE_OS, ("target is non-empty dir\n"));
|
|
|
|
retVal = YAFFS_FAIL;
|
|
} else {
|
|
-
|
|
/* Now does unlinking internally using shadowing mechanism */
|
|
- T(YAFFS_TRACE_OS, (KERN_DEBUG "calling yaffs_RenameObject\n"));
|
|
-
|
|
- retVal =
|
|
- yaffs_RenameObject(yaffs_InodeToObject(old_dir),
|
|
- old_dentry->d_name.name,
|
|
- yaffs_InodeToObject(new_dir),
|
|
- new_dentry->d_name.name);
|
|
+ T(YAFFS_TRACE_OS, ("calling yaffs_RenameObject\n"));
|
|
|
|
+ retVal = yaffs_RenameObject(yaffs_InodeToObject(old_dir),
|
|
+ old_dentry->d_name.name,
|
|
+ yaffs_InodeToObject(new_dir),
|
|
+ new_dentry->d_name.name);
|
|
}
|
|
yaffs_GrossUnlock(dev);
|
|
|
|
if (retVal == YAFFS_OK) {
|
|
- if(target) {
|
|
+ if (target) {
|
|
new_dentry->d_inode->i_nlink--;
|
|
mark_inode_dirty(new_dentry->d_inode);
|
|
}
|
|
@@ -1298,7 +1483,6 @@ static int yaffs_rename(struct inode *ol
|
|
} else {
|
|
return -ENOTEMPTY;
|
|
}
|
|
-
|
|
}
|
|
|
|
static int yaffs_setattr(struct dentry *dentry, struct iattr *attr)
|
|
@@ -1308,15 +1492,15 @@ static int yaffs_setattr(struct dentry *
|
|
yaffs_Device *dev;
|
|
|
|
T(YAFFS_TRACE_OS,
|
|
- (KERN_DEBUG "yaffs_setattr of object %d\n",
|
|
- yaffs_InodeToObject(inode)->objectId));
|
|
-
|
|
- if ((error = inode_change_ok(inode, attr)) == 0) {
|
|
+ ("yaffs_setattr of object %d\n",
|
|
+ yaffs_InodeToObject(inode)->objectId));
|
|
|
|
+ error = inode_change_ok(inode, attr);
|
|
+ if (error == 0) {
|
|
dev = yaffs_InodeToObject(inode)->myDev;
|
|
yaffs_GrossLock(dev);
|
|
if (yaffs_SetAttributes(yaffs_InodeToObject(inode), attr) ==
|
|
- YAFFS_OK) {
|
|
+ YAFFS_OK) {
|
|
error = 0;
|
|
} else {
|
|
error = -EPERM;
|
|
@@ -1328,12 +1512,12 @@ static int yaffs_setattr(struct dentry *
|
|
return error;
|
|
}
|
|
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
|
|
+#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;
|
|
struct super_block *sb = dentry->d_sb;
|
|
-#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
|
|
+#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);
|
|
@@ -1343,32 +1527,53 @@ static int yaffs_statfs(struct super_blo
|
|
yaffs_Device *dev = yaffs_SuperToDevice(sb);
|
|
#endif
|
|
|
|
- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_statfs\n"));
|
|
+ T(YAFFS_TRACE_OS, ("yaffs_statfs\n"));
|
|
|
|
yaffs_GrossLock(dev);
|
|
|
|
buf->f_type = YAFFS_MAGIC;
|
|
buf->f_bsize = sb->s_blocksize;
|
|
buf->f_namelen = 255;
|
|
- if (sb->s_blocksize > dev->nDataBytesPerChunk) {
|
|
+
|
|
+ if (dev->nDataBytesPerChunk & (dev->nDataBytesPerChunk - 1)) {
|
|
+ /* Do this if chunk size is not a power of 2 */
|
|
+
|
|
+ uint64_t bytesInDev;
|
|
+ uint64_t bytesFree;
|
|
+
|
|
+ bytesInDev = ((uint64_t)((dev->endBlock - dev->startBlock + 1))) *
|
|
+ ((uint64_t)(dev->nChunksPerBlock * dev->nDataBytesPerChunk));
|
|
+
|
|
+ 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));
|
|
+
|
|
+ do_div(bytesFree, sb->s_blocksize);
|
|
+
|
|
+ buf->f_bfree = bytesFree;
|
|
+
|
|
+ } else if (sb->s_blocksize > dev->nDataBytesPerChunk) {
|
|
|
|
buf->f_blocks =
|
|
- (dev->endBlock - dev->startBlock +
|
|
- 1) * dev->nChunksPerBlock / (sb->s_blocksize /
|
|
- dev->nDataBytesPerChunk);
|
|
+ (dev->endBlock - dev->startBlock + 1) *
|
|
+ dev->nChunksPerBlock /
|
|
+ (sb->s_blocksize / dev->nDataBytesPerChunk);
|
|
buf->f_bfree =
|
|
- yaffs_GetNumberOfFreeChunks(dev) / (sb->s_blocksize /
|
|
- dev->nDataBytesPerChunk);
|
|
+ yaffs_GetNumberOfFreeChunks(dev) /
|
|
+ (sb->s_blocksize / dev->nDataBytesPerChunk);
|
|
} else {
|
|
-
|
|
buf->f_blocks =
|
|
- (dev->endBlock - dev->startBlock +
|
|
- 1) * dev->nChunksPerBlock * (dev->nDataBytesPerChunk /
|
|
- sb->s_blocksize);
|
|
+ (dev->endBlock - dev->startBlock + 1) *
|
|
+ dev->nChunksPerBlock *
|
|
+ (dev->nDataBytesPerChunk / sb->s_blocksize);
|
|
+
|
|
buf->f_bfree =
|
|
- yaffs_GetNumberOfFreeChunks(dev) * (dev->nDataBytesPerChunk /
|
|
- sb->s_blocksize);
|
|
+ yaffs_GetNumberOfFreeChunks(dev) *
|
|
+ (dev->nDataBytesPerChunk / sb->s_blocksize);
|
|
}
|
|
+
|
|
buf->f_files = 0;
|
|
buf->f_ffree = 0;
|
|
buf->f_bavail = buf->f_bfree;
|
|
@@ -1378,18 +1583,19 @@ static int yaffs_statfs(struct super_blo
|
|
}
|
|
|
|
|
|
-/**
|
|
static int yaffs_do_sync_fs(struct super_block *sb)
|
|
{
|
|
|
|
yaffs_Device *dev = yaffs_SuperToDevice(sb);
|
|
- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_do_sync_fs\n"));
|
|
+ T(YAFFS_TRACE_OS, ("yaffs_do_sync_fs\n"));
|
|
|
|
- if(sb->s_dirt) {
|
|
+ if (sb->s_dirt) {
|
|
yaffs_GrossLock(dev);
|
|
|
|
- if(dev)
|
|
+ if (dev) {
|
|
+ yaffs_FlushEntireDeviceCache(dev);
|
|
yaffs_CheckpointSave(dev);
|
|
+ }
|
|
|
|
yaffs_GrossUnlock(dev);
|
|
|
|
@@ -1397,35 +1603,73 @@ static int yaffs_do_sync_fs(struct super
|
|
}
|
|
return 0;
|
|
}
|
|
-**/
|
|
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
|
|
+
|
|
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
|
|
static void yaffs_write_super(struct super_block *sb)
|
|
#else
|
|
static int yaffs_write_super(struct super_block *sb)
|
|
#endif
|
|
{
|
|
|
|
- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_write_super\n"));
|
|
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18))
|
|
- return 0; /* yaffs_do_sync_fs(sb);*/
|
|
+ T(YAFFS_TRACE_OS, ("yaffs_write_super\n"));
|
|
+ if (yaffs_auto_checkpoint >= 2)
|
|
+ yaffs_do_sync_fs(sb);
|
|
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 18))
|
|
+ return 0;
|
|
#endif
|
|
}
|
|
|
|
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
|
|
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
|
|
static int yaffs_sync_fs(struct super_block *sb, int wait)
|
|
#else
|
|
static int yaffs_sync_fs(struct super_block *sb)
|
|
#endif
|
|
{
|
|
+ T(YAFFS_TRACE_OS, ("yaffs_sync_fs\n"));
|
|
+
|
|
+ if (yaffs_auto_checkpoint >= 1)
|
|
+ yaffs_do_sync_fs(sb);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+#ifdef YAFFS_USE_OWN_IGET
|
|
+
|
|
+static struct inode *yaffs_iget(struct super_block *sb, unsigned long ino)
|
|
+{
|
|
+ struct inode *inode;
|
|
+ yaffs_Object *obj;
|
|
+ yaffs_Device *dev = yaffs_SuperToDevice(sb);
|
|
+
|
|
+ T(YAFFS_TRACE_OS,
|
|
+ ("yaffs_iget for %lu\n", ino));
|
|
|
|
- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_sync_fs\n"));
|
|
+ inode = iget_locked(sb, ino);
|
|
+ if (!inode)
|
|
+ return ERR_PTR(-ENOMEM);
|
|
+ if (!(inode->i_state & I_NEW))
|
|
+ return inode;
|
|
+
|
|
+ /* NB This is called as a side effect of other functions, but
|
|
+ * we had to release the lock to prevent deadlocks, so
|
|
+ * need to lock again.
|
|
+ */
|
|
|
|
- return 0; /* yaffs_do_sync_fs(sb);*/
|
|
+ yaffs_GrossLock(dev);
|
|
|
|
+ obj = yaffs_FindObjectByNumber(dev, inode->i_ino);
|
|
+
|
|
+ yaffs_FillInodeFromObject(inode, obj);
|
|
+
|
|
+ yaffs_GrossUnlock(dev);
|
|
+
|
|
+ unlock_new_inode(inode);
|
|
+ return inode;
|
|
}
|
|
|
|
+#else
|
|
|
|
static void yaffs_read_inode(struct inode *inode)
|
|
{
|
|
@@ -1438,7 +1682,7 @@ static void yaffs_read_inode(struct inod
|
|
yaffs_Device *dev = yaffs_SuperToDevice(inode->i_sb);
|
|
|
|
T(YAFFS_TRACE_OS,
|
|
- (KERN_DEBUG "yaffs_read_inode for %d\n", (int)inode->i_ino));
|
|
+ ("yaffs_read_inode for %d\n", (int)inode->i_ino));
|
|
|
|
yaffs_GrossLock(dev);
|
|
|
|
@@ -1449,18 +1693,20 @@ static void yaffs_read_inode(struct inod
|
|
yaffs_GrossUnlock(dev);
|
|
}
|
|
|
|
-static LIST_HEAD(yaffs_dev_list);
|
|
+#endif
|
|
+
|
|
+static YLIST_HEAD(yaffs_dev_list);
|
|
|
|
-#if 0 // not used
|
|
+#if 0 /* not used */
|
|
static int yaffs_remount_fs(struct super_block *sb, int *flags, char *data)
|
|
{
|
|
yaffs_Device *dev = yaffs_SuperToDevice(sb);
|
|
|
|
- if( *flags & MS_RDONLY ) {
|
|
+ if (*flags & MS_RDONLY) {
|
|
struct mtd_info *mtd = yaffs_SuperToDevice(sb)->genericDevice;
|
|
|
|
T(YAFFS_TRACE_OS,
|
|
- (KERN_DEBUG "yaffs_remount_fs: %s: RO\n", dev->name ));
|
|
+ ("yaffs_remount_fs: %s: RO\n", dev->name));
|
|
|
|
yaffs_GrossLock(dev);
|
|
|
|
@@ -1472,10 +1718,9 @@ static int yaffs_remount_fs(struct super
|
|
mtd->sync(mtd);
|
|
|
|
yaffs_GrossUnlock(dev);
|
|
- }
|
|
- else {
|
|
+ } else {
|
|
T(YAFFS_TRACE_OS,
|
|
- (KERN_DEBUG "yaffs_remount_fs: %s: RW\n", dev->name ));
|
|
+ ("yaffs_remount_fs: %s: RW\n", dev->name));
|
|
}
|
|
|
|
return 0;
|
|
@@ -1486,7 +1731,7 @@ static void yaffs_put_super(struct super
|
|
{
|
|
yaffs_Device *dev = yaffs_SuperToDevice(sb);
|
|
|
|
- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_put_super\n"));
|
|
+ T(YAFFS_TRACE_OS, ("yaffs_put_super\n"));
|
|
|
|
yaffs_GrossLock(dev);
|
|
|
|
@@ -1494,18 +1739,17 @@ static void yaffs_put_super(struct super
|
|
|
|
yaffs_CheckpointSave(dev);
|
|
|
|
- if (dev->putSuperFunc) {
|
|
+ if (dev->putSuperFunc)
|
|
dev->putSuperFunc(sb);
|
|
- }
|
|
|
|
yaffs_Deinitialise(dev);
|
|
|
|
yaffs_GrossUnlock(dev);
|
|
|
|
/* we assume this is protected by lock_kernel() in mount/umount */
|
|
- list_del(&dev->devList);
|
|
+ ylist_del(&dev->devList);
|
|
|
|
- if(dev->spareBuffer){
|
|
+ if (dev->spareBuffer) {
|
|
YFREE(dev->spareBuffer);
|
|
dev->spareBuffer = NULL;
|
|
}
|
|
@@ -1516,12 +1760,10 @@ static void yaffs_put_super(struct super
|
|
|
|
static void yaffs_MTDPutSuper(struct super_block *sb)
|
|
{
|
|
-
|
|
struct mtd_info *mtd = yaffs_SuperToDevice(sb)->genericDevice;
|
|
|
|
- if (mtd->sync) {
|
|
+ if (mtd->sync)
|
|
mtd->sync(mtd);
|
|
- }
|
|
|
|
put_mtd_device(mtd);
|
|
}
|
|
@@ -1531,9 +1773,9 @@ static void yaffs_MarkSuperBlockDirty(vo
|
|
{
|
|
struct super_block *sb = (struct super_block *)vsb;
|
|
|
|
- T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_MarkSuperBlockDirty() sb = %p\n",sb));
|
|
-// if(sb)
|
|
-// sb->s_dirt = 1;
|
|
+ T(YAFFS_TRACE_OS, ("yaffs_MarkSuperBlockDirty() sb = %p\n", sb));
|
|
+ if (sb)
|
|
+ sb->s_dirt = 1;
|
|
}
|
|
|
|
typedef struct {
|
|
@@ -1546,48 +1788,48 @@ typedef struct {
|
|
#define MAX_OPT_LEN 20
|
|
static int yaffs_parse_options(yaffs_options *options, const char *options_str)
|
|
{
|
|
- char cur_opt[MAX_OPT_LEN+1];
|
|
+ char cur_opt[MAX_OPT_LEN + 1];
|
|
int p;
|
|
int error = 0;
|
|
|
|
/* Parse through the options which is a comma seperated list */
|
|
|
|
- while(options_str && *options_str && !error){
|
|
- memset(cur_opt,0,MAX_OPT_LEN+1);
|
|
+ while (options_str && *options_str && !error) {
|
|
+ memset(cur_opt, 0, MAX_OPT_LEN + 1);
|
|
p = 0;
|
|
|
|
- while(*options_str && *options_str != ','){
|
|
- if(p < MAX_OPT_LEN){
|
|
+ while (*options_str && *options_str != ',') {
|
|
+ if (p < MAX_OPT_LEN) {
|
|
cur_opt[p] = *options_str;
|
|
p++;
|
|
}
|
|
options_str++;
|
|
}
|
|
|
|
- if(!strcmp(cur_opt,"inband-tags"))
|
|
+ if (!strcmp(cur_opt, "inband-tags"))
|
|
options->inband_tags = 1;
|
|
- else if(!strcmp(cur_opt,"no-cache"))
|
|
+ else if (!strcmp(cur_opt, "no-cache"))
|
|
options->no_cache = 1;
|
|
- else if(!strcmp(cur_opt,"no-checkpoint-read"))
|
|
+ else if (!strcmp(cur_opt, "no-checkpoint-read"))
|
|
options->skip_checkpoint_read = 1;
|
|
- else if(!strcmp(cur_opt,"no-checkpoint-write"))
|
|
+ else if (!strcmp(cur_opt, "no-checkpoint-write"))
|
|
options->skip_checkpoint_write = 1;
|
|
- else if(!strcmp(cur_opt,"no-checkpoint")){
|
|
+ else if (!strcmp(cur_opt, "no-checkpoint")) {
|
|
options->skip_checkpoint_read = 1;
|
|
options->skip_checkpoint_write = 1;
|
|
} else {
|
|
- printk(KERN_INFO "yaffs: Bad mount option \"%s\"\n",cur_opt);
|
|
+ printk(KERN_INFO "yaffs: Bad mount option \"%s\"\n",
|
|
+ cur_opt);
|
|
error = 1;
|
|
}
|
|
-
|
|
}
|
|
|
|
return error;
|
|
}
|
|
|
|
static struct super_block *yaffs_internal_read_super(int yaffsVersion,
|
|
- struct super_block *sb,
|
|
- void *data, int silent)
|
|
+ struct super_block *sb,
|
|
+ void *data, int silent)
|
|
{
|
|
int nBlocks;
|
|
struct inode *inode = NULL;
|
|
@@ -1602,6 +1844,7 @@ static struct super_block *yaffs_interna
|
|
|
|
sb->s_magic = YAFFS_MAGIC;
|
|
sb->s_op = &yaffs_super_ops;
|
|
+ sb->s_flags |= MS_NOATIME;
|
|
|
|
if (!sb)
|
|
printk(KERN_INFO "yaffs: sb is NULL\n");
|
|
@@ -1614,14 +1857,14 @@ static struct super_block *yaffs_interna
|
|
sb->s_dev,
|
|
yaffs_devname(sb, devname_buf));
|
|
|
|
- if(!data_str)
|
|
+ if (!data_str)
|
|
data_str = "";
|
|
|
|
- printk(KERN_INFO "yaffs: passed flags \"%s\"\n",data_str);
|
|
+ printk(KERN_INFO "yaffs: passed flags \"%s\"\n", data_str);
|
|
|
|
- memset(&options,0,sizeof(options));
|
|
+ memset(&options, 0, sizeof(options));
|
|
|
|
- if(yaffs_parse_options(&options,data_str)){
|
|
+ if (yaffs_parse_options(&options, data_str)) {
|
|
/* Option parsing failed */
|
|
return NULL;
|
|
}
|
|
@@ -1645,9 +1888,9 @@ static struct super_block *yaffs_interna
|
|
yaffs_devname(sb, devname_buf)));
|
|
|
|
/* Check it's an mtd device..... */
|
|
- if (MAJOR(sb->s_dev) != MTD_BLOCK_MAJOR) {
|
|
+ if (MAJOR(sb->s_dev) != MTD_BLOCK_MAJOR)
|
|
return NULL; /* This isn't an mtd device */
|
|
- }
|
|
+
|
|
/* Get the device */
|
|
mtd = get_mtd_device(NULL, MINOR(sb->s_dev));
|
|
if (!mtd) {
|
|
@@ -1673,29 +1916,23 @@ static struct super_block *yaffs_interna
|
|
T(YAFFS_TRACE_OS, (" %s %d\n", WRITE_SIZE_STR, WRITE_SIZE(mtd)));
|
|
T(YAFFS_TRACE_OS, (" oobsize %d\n", mtd->oobsize));
|
|
T(YAFFS_TRACE_OS, (" erasesize %d\n", mtd->erasesize));
|
|
- T(YAFFS_TRACE_OS, (" size %d\n", mtd->size));
|
|
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 29)
|
|
+ T(YAFFS_TRACE_OS, (" size %u\n", mtd->size));
|
|
+#else
|
|
+ T(YAFFS_TRACE_OS, (" size %lld\n", mtd->size));
|
|
+#endif
|
|
|
|
#ifdef CONFIG_YAFFS_AUTO_YAFFS2
|
|
|
|
- if (yaffsVersion == 1 &&
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
|
|
- mtd->writesize >= 2048) {
|
|
-#else
|
|
- mtd->oobblock >= 2048) {
|
|
-#endif
|
|
- T(YAFFS_TRACE_ALWAYS,("yaffs: auto selecting yaffs2\n"));
|
|
- yaffsVersion = 2;
|
|
+ if (yaffsVersion == 1 && WRITE_SIZE(mtd) >= 2048) {
|
|
+ T(YAFFS_TRACE_ALWAYS, ("yaffs: auto selecting yaffs2\n"));
|
|
+ yaffsVersion = 2;
|
|
}
|
|
|
|
/* Added NCB 26/5/2006 for completeness */
|
|
- if (yaffsVersion == 2 &&
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
|
|
- mtd->writesize == 512) {
|
|
-#else
|
|
- mtd->oobblock == 512) {
|
|
-#endif
|
|
- T(YAFFS_TRACE_ALWAYS,("yaffs: auto selecting yaffs1\n"));
|
|
- yaffsVersion = 1;
|
|
+ if (yaffsVersion == 2 && !options.inband_tags && WRITE_SIZE(mtd) == 512) {
|
|
+ T(YAFFS_TRACE_ALWAYS, ("yaffs: auto selecting yaffs1\n"));
|
|
+ yaffsVersion = 1;
|
|
}
|
|
|
|
#endif
|
|
@@ -1707,7 +1944,7 @@ static struct super_block *yaffs_interna
|
|
!mtd->block_markbad ||
|
|
!mtd->read ||
|
|
!mtd->write ||
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
|
|
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
|
|
!mtd->read_oob || !mtd->write_oob) {
|
|
#else
|
|
!mtd->write_ecc ||
|
|
@@ -1719,12 +1956,9 @@ static struct super_block *yaffs_interna
|
|
return NULL;
|
|
}
|
|
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
|
|
- if (mtd->writesize < YAFFS_MIN_YAFFS2_CHUNK_SIZE ||
|
|
-#else
|
|
- if (mtd->oobblock < YAFFS_MIN_YAFFS2_CHUNK_SIZE ||
|
|
-#endif
|
|
- mtd->oobsize < YAFFS_MIN_YAFFS2_SPARE_SIZE) {
|
|
+ if ((WRITE_SIZE(mtd) < YAFFS_MIN_YAFFS2_CHUNK_SIZE ||
|
|
+ mtd->oobsize < YAFFS_MIN_YAFFS2_SPARE_SIZE) &&
|
|
+ !options.inband_tags) {
|
|
T(YAFFS_TRACE_ALWAYS,
|
|
("yaffs: MTD device does not have the "
|
|
"right page sizes\n"));
|
|
@@ -1735,7 +1969,7 @@ static struct super_block *yaffs_interna
|
|
if (!mtd->erase ||
|
|
!mtd->read ||
|
|
!mtd->write ||
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
|
|
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
|
|
!mtd->read_oob || !mtd->write_oob) {
|
|
#else
|
|
!mtd->write_ecc ||
|
|
@@ -1761,7 +1995,7 @@ static struct super_block *yaffs_interna
|
|
* Set the yaffs_Device up for mtd
|
|
*/
|
|
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
|
|
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
|
|
sb->s_fs_info = dev = kmalloc(sizeof(yaffs_Device), GFP_KERNEL);
|
|
#else
|
|
sb->u.generic_sbp = dev = kmalloc(sizeof(yaffs_Device), GFP_KERNEL);
|
|
@@ -1780,13 +2014,15 @@ static struct super_block *yaffs_interna
|
|
|
|
/* Set up the memory size parameters.... */
|
|
|
|
- nBlocks = mtd->size / (YAFFS_CHUNKS_PER_BLOCK * YAFFS_BYTES_PER_CHUNK);
|
|
+ nBlocks = YCALCBLOCKS(mtd->size, (YAFFS_CHUNKS_PER_BLOCK * YAFFS_BYTES_PER_CHUNK));
|
|
+
|
|
dev->startBlock = 0;
|
|
dev->endBlock = nBlocks - 1;
|
|
dev->nChunksPerBlock = YAFFS_CHUNKS_PER_BLOCK;
|
|
- dev->nDataBytesPerChunk = YAFFS_BYTES_PER_CHUNK;
|
|
+ dev->totalBytesPerChunk = YAFFS_BYTES_PER_CHUNK;
|
|
dev->nReservedBlocks = 5;
|
|
dev->nShortOpCaches = (options.no_cache) ? 0 : 10;
|
|
+ dev->inbandTags = options.inband_tags;
|
|
|
|
/* ... and the functions. */
|
|
if (yaffsVersion == 2) {
|
|
@@ -1798,20 +2034,19 @@ static struct super_block *yaffs_interna
|
|
dev->queryNANDBlock = nandmtd2_QueryNANDBlock;
|
|
dev->spareBuffer = YMALLOC(mtd->oobsize);
|
|
dev->isYaffs2 = 1;
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
|
|
- dev->nDataBytesPerChunk = mtd->writesize;
|
|
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
|
|
+ dev->totalBytesPerChunk = mtd->writesize;
|
|
dev->nChunksPerBlock = mtd->erasesize / mtd->writesize;
|
|
#else
|
|
- dev->nDataBytesPerChunk = mtd->oobblock;
|
|
+ dev->totalBytesPerChunk = mtd->oobblock;
|
|
dev->nChunksPerBlock = mtd->erasesize / mtd->oobblock;
|
|
#endif
|
|
- nBlocks = mtd->size / mtd->erasesize;
|
|
+ nBlocks = YCALCBLOCKS(mtd->size, mtd->erasesize);
|
|
|
|
- dev->nCheckpointReservedBlocks = CONFIG_YAFFS_CHECKPOINT_RESERVED_BLOCKS;
|
|
dev->startBlock = 0;
|
|
dev->endBlock = nBlocks - 1;
|
|
} else {
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
|
|
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
|
|
/* use the MTD interface in yaffs_mtdif1.c */
|
|
dev->writeChunkWithTagsToNAND =
|
|
nandmtd1_WriteChunkWithTagsToNAND;
|
|
@@ -1847,7 +2082,7 @@ static struct super_block *yaffs_interna
|
|
dev->skipCheckpointWrite = options.skip_checkpoint_write;
|
|
|
|
/* we assume this is protected by lock_kernel() in mount/umount */
|
|
- list_add_tail(&dev->devList, &yaffs_dev_list);
|
|
+ ylist_add_tail(&dev->devList, &yaffs_dev_list);
|
|
|
|
init_MUTEX(&dev->grossLock);
|
|
|
|
@@ -1884,20 +2119,23 @@ static struct super_block *yaffs_interna
|
|
return NULL;
|
|
}
|
|
sb->s_root = root;
|
|
+ sb->s_dirt = !dev->isCheckpointed;
|
|
+ T(YAFFS_TRACE_ALWAYS,
|
|
+ ("yaffs_read_super: isCheckpointed %d\n", dev->isCheckpointed));
|
|
|
|
T(YAFFS_TRACE_OS, ("yaffs_read_super: done\n"));
|
|
return sb;
|
|
}
|
|
|
|
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
|
|
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
|
|
static int yaffs_internal_read_super_mtd(struct super_block *sb, void *data,
|
|
int silent)
|
|
{
|
|
return yaffs_internal_read_super(1, sb, data, silent) ? 0 : -EINVAL;
|
|
}
|
|
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
|
|
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
|
|
static int yaffs_read_super(struct file_system_type *fs,
|
|
int flags, const char *dev_name,
|
|
void *data, struct vfsmount *mnt)
|
|
@@ -1938,14 +2176,14 @@ static DECLARE_FSTYPE(yaffs_fs_type, "ya
|
|
|
|
#ifdef CONFIG_YAFFS_YAFFS2
|
|
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
|
|
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
|
|
static int yaffs2_internal_read_super_mtd(struct super_block *sb, void *data,
|
|
int silent)
|
|
{
|
|
return yaffs_internal_read_super(2, sb, data, silent) ? 0 : -EINVAL;
|
|
}
|
|
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
|
|
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
|
|
static int yaffs2_read_super(struct file_system_type *fs,
|
|
int flags, const char *dev_name, void *data,
|
|
struct vfsmount *mnt)
|
|
@@ -1990,12 +2228,12 @@ static char *yaffs_dump_dev(char *buf, y
|
|
{
|
|
buf += sprintf(buf, "startBlock......... %d\n", dev->startBlock);
|
|
buf += sprintf(buf, "endBlock........... %d\n", dev->endBlock);
|
|
+ buf += sprintf(buf, "totalBytesPerChunk. %d\n", dev->totalBytesPerChunk);
|
|
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, "nReservedBlocks.... %d\n", dev->nReservedBlocks);
|
|
- buf += sprintf(buf, "nCheckptResBlocks.. %d\n", dev->nCheckpointReservedBlocks);
|
|
buf += sprintf(buf, "blocksInCheckpoint. %d\n", dev->blocksInCheckpoint);
|
|
buf += sprintf(buf, "nTnodesCreated..... %d\n", dev->nTnodesCreated);
|
|
buf += sprintf(buf, "nFreeTnodes........ %d\n", dev->nFreeTnodes);
|
|
@@ -2006,10 +2244,8 @@ static char *yaffs_dump_dev(char *buf, y
|
|
buf += sprintf(buf, "nPageReads......... %d\n", dev->nPageReads);
|
|
buf += sprintf(buf, "nBlockErasures..... %d\n", dev->nBlockErasures);
|
|
buf += sprintf(buf, "nGCCopies.......... %d\n", dev->nGCCopies);
|
|
- buf +=
|
|
- sprintf(buf, "garbageCollections. %d\n", dev->garbageCollections);
|
|
- buf +=
|
|
- sprintf(buf, "passiveGCs......... %d\n",
|
|
+ buf += sprintf(buf, "garbageCollections. %d\n", dev->garbageCollections);
|
|
+ buf += sprintf(buf, "passiveGCs......... %d\n",
|
|
dev->passiveGarbageCollections);
|
|
buf += sprintf(buf, "nRetriedWrites..... %d\n", dev->nRetriedWrites);
|
|
buf += sprintf(buf, "nShortOpCaches..... %d\n", dev->nShortOpCaches);
|
|
@@ -2025,6 +2261,7 @@ static char *yaffs_dump_dev(char *buf, y
|
|
sprintf(buf, "nBackgroudDeletions %d\n", dev->nBackgroundDeletions);
|
|
buf += sprintf(buf, "useNANDECC......... %d\n", dev->useNANDECC);
|
|
buf += sprintf(buf, "isYaffs2........... %d\n", dev->isYaffs2);
|
|
+ buf += sprintf(buf, "inbandTags......... %d\n", dev->inbandTags);
|
|
|
|
return buf;
|
|
}
|
|
@@ -2033,7 +2270,7 @@ static int yaffs_proc_read(char *page,
|
|
char **start,
|
|
off_t offset, int count, int *eof, void *data)
|
|
{
|
|
- struct list_head *item;
|
|
+ struct ylist_head *item;
|
|
char *buf = page;
|
|
int step = offset;
|
|
int n = 0;
|
|
@@ -2057,8 +2294,8 @@ static int yaffs_proc_read(char *page,
|
|
lock_kernel();
|
|
|
|
/* Locate and print the Nth entry. Order N-squared but N is small. */
|
|
- list_for_each(item, &yaffs_dev_list) {
|
|
- yaffs_Device *dev = list_entry(item, yaffs_Device, devList);
|
|
+ ylist_for_each(item, &yaffs_dev_list) {
|
|
+ yaffs_Device *dev = ylist_entry(item, yaffs_Device, devList);
|
|
if (n < step) {
|
|
n++;
|
|
continue;
|
|
@@ -2119,7 +2356,7 @@ static int yaffs_proc_write(struct file
|
|
char *end;
|
|
char *mask_name;
|
|
const char *x;
|
|
- char substring[MAX_MASK_NAME_LENGTH+1];
|
|
+ char substring[MAX_MASK_NAME_LENGTH + 1];
|
|
int i;
|
|
int done = 0;
|
|
int add, len = 0;
|
|
@@ -2129,9 +2366,8 @@ static int yaffs_proc_write(struct file
|
|
|
|
while (!done && (pos < count)) {
|
|
done = 1;
|
|
- while ((pos < count) && isspace(buf[pos])) {
|
|
+ while ((pos < count) && isspace(buf[pos]))
|
|
pos++;
|
|
- }
|
|
|
|
switch (buf[pos]) {
|
|
case '+':
|
|
@@ -2148,20 +2384,21 @@ static int yaffs_proc_write(struct file
|
|
mask_name = NULL;
|
|
|
|
mask_bitfield = simple_strtoul(buf + pos, &end, 0);
|
|
+
|
|
if (end > buf + pos) {
|
|
mask_name = "numeral";
|
|
len = end - (buf + pos);
|
|
pos += len;
|
|
done = 0;
|
|
} else {
|
|
- for(x = buf + pos, i = 0;
|
|
- (*x == '_' || (*x >='a' && *x <= 'z')) &&
|
|
- i <MAX_MASK_NAME_LENGTH; x++, i++, pos++)
|
|
- substring[i] = *x;
|
|
+ for (x = buf + pos, i = 0;
|
|
+ (*x == '_' || (*x >= 'a' && *x <= 'z')) &&
|
|
+ i < MAX_MASK_NAME_LENGTH; x++, i++, pos++)
|
|
+ substring[i] = *x;
|
|
substring[i] = '\0';
|
|
|
|
for (i = 0; mask_flags[i].mask_name != NULL; i++) {
|
|
- if(strcmp(substring,mask_flags[i].mask_name) == 0){
|
|
+ if (strcmp(substring, mask_flags[i].mask_name) == 0) {
|
|
mask_name = mask_flags[i].mask_name;
|
|
mask_bitfield = mask_flags[i].mask_bitfield;
|
|
done = 0;
|
|
@@ -2172,7 +2409,7 @@ static int yaffs_proc_write(struct file
|
|
|
|
if (mask_name != NULL) {
|
|
done = 0;
|
|
- switch(add) {
|
|
+ switch (add) {
|
|
case '-':
|
|
rg &= ~mask_bitfield;
|
|
break;
|
|
@@ -2191,13 +2428,13 @@ static int yaffs_proc_write(struct file
|
|
|
|
yaffs_traceMask = rg | YAFFS_TRACE_ALWAYS;
|
|
|
|
- printk("new trace = 0x%08X\n",yaffs_traceMask);
|
|
+ printk(KERN_DEBUG "new trace = 0x%08X\n", yaffs_traceMask);
|
|
|
|
if (rg & YAFFS_TRACE_ALWAYS) {
|
|
for (i = 0; mask_flags[i].mask_name != NULL; i++) {
|
|
char flag;
|
|
flag = ((rg & mask_flags[i].mask_bitfield) == mask_flags[i].mask_bitfield) ? '+' : '-';
|
|
- printk("%c%s\n", flag, mask_flags[i].mask_name);
|
|
+ printk(KERN_DEBUG "%c%s\n", flag, mask_flags[i].mask_name);
|
|
}
|
|
}
|
|
|
|
@@ -2211,12 +2448,8 @@ struct file_system_to_install {
|
|
};
|
|
|
|
static struct file_system_to_install fs_to_install[] = {
|
|
-//#ifdef CONFIG_YAFFS_YAFFS1
|
|
{&yaffs_fs_type, 0},
|
|
-//#endif
|
|
-//#ifdef CONFIG_YAFFS_YAFFS2
|
|
{&yaffs2_fs_type, 0},
|
|
-//#endif
|
|
{NULL, 0}
|
|
};
|
|
|
|
@@ -2231,15 +2464,14 @@ static int __init init_yaffs_fs(void)
|
|
/* Install the proc_fs entry */
|
|
my_proc_entry = create_proc_entry("yaffs",
|
|
S_IRUGO | S_IFREG,
|
|
- &proc_root);
|
|
+ YPROC_ROOT);
|
|
|
|
if (my_proc_entry) {
|
|
my_proc_entry->write_proc = yaffs_proc_write;
|
|
my_proc_entry->read_proc = yaffs_proc_read;
|
|
my_proc_entry->data = NULL;
|
|
- } else {
|
|
+ } else
|
|
return -ENOMEM;
|
|
- }
|
|
|
|
/* Now add the file system entries */
|
|
|
|
@@ -2247,9 +2479,8 @@ static int __init init_yaffs_fs(void)
|
|
|
|
while (fsinst->fst && !error) {
|
|
error = register_filesystem(fsinst->fst);
|
|
- if (!error) {
|
|
+ if (!error)
|
|
fsinst->installed = 1;
|
|
- }
|
|
fsinst++;
|
|
}
|
|
|
|
@@ -2277,7 +2508,7 @@ static void __exit exit_yaffs_fs(void)
|
|
T(YAFFS_TRACE_ALWAYS, ("yaffs " __DATE__ " " __TIME__
|
|
" removing. \n"));
|
|
|
|
- remove_proc_entry("yaffs", &proc_root);
|
|
+ remove_proc_entry("yaffs", YPROC_ROOT);
|
|
|
|
fsinst = fs_to_install;
|
|
|
|
@@ -2288,7 +2519,6 @@ static void __exit exit_yaffs_fs(void)
|
|
}
|
|
fsinst++;
|
|
}
|
|
-
|
|
}
|
|
|
|
module_init(init_yaffs_fs)
|
|
--- /dev/null
|
|
+++ b/fs/yaffs2/yaffs_getblockinfo.h
|
|
@@ -0,0 +1,34 @@
|
|
+/*
|
|
+ * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
|
|
+ *
|
|
+ * Copyright (C) 2002-2007 Aleph One Ltd.
|
|
+ * for Toby Churchill Ltd and Brightstar Engineering
|
|
+ *
|
|
+ * Created by Charles Manning <charles@aleph1.co.uk>
|
|
+ *
|
|
+ * This program is free software; you can redistribute it and/or modify
|
|
+ * it under the terms of the GNU Lesser General Public License version 2.1 as
|
|
+ * published by the Free Software Foundation.
|
|
+ *
|
|
+ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
|
|
+ */
|
|
+
|
|
+#ifndef __YAFFS_GETBLOCKINFO_H__
|
|
+#define __YAFFS_GETBLOCKINFO_H__
|
|
+
|
|
+#include "yaffs_guts.h"
|
|
+
|
|
+/* Function to manipulate block info */
|
|
+static Y_INLINE yaffs_BlockInfo *yaffs_GetBlockInfo(yaffs_Device * dev, int blk)
|
|
+{
|
|
+ if (blk < dev->internalStartBlock || blk > dev->internalEndBlock) {
|
|
+ T(YAFFS_TRACE_ERROR,
|
|
+ (TSTR
|
|
+ ("**>> yaffs: getBlockInfo block %d is not valid" TENDSTR),
|
|
+ blk));
|
|
+ YBUG();
|
|
+ }
|
|
+ return &dev->blockInfo[blk - dev->internalStartBlock];
|
|
+}
|
|
+
|
|
+#endif
|
|
--- a/fs/yaffs2/yaffs_guts.c
|
|
+++ b/fs/yaffs2/yaffs_guts.c
|
|
@@ -12,16 +12,17 @@
|
|
*/
|
|
|
|
const char *yaffs_guts_c_version =
|
|
- "$Id: yaffs_guts.c,v 1.49 2007-05-15 20:07:40 charles Exp $";
|
|
+ "$Id: yaffs_guts.c,v 1.82 2009-03-09 04:24:17 charles Exp $";
|
|
|
|
#include "yportenv.h"
|
|
|
|
#include "yaffsinterface.h"
|
|
#include "yaffs_guts.h"
|
|
#include "yaffs_tagsvalidity.h"
|
|
+#include "yaffs_getblockinfo.h"
|
|
|
|
#include "yaffs_tagscompat.h"
|
|
-#ifndef CONFIG_YAFFS_USE_OWN_SORT
|
|
+#ifndef CONFIG_YAFFS_USE_OWN_SORT
|
|
#include "yaffs_qsort.h"
|
|
#endif
|
|
#include "yaffs_nand.h"
|
|
@@ -32,116 +33,116 @@ const char *yaffs_guts_c_version =
|
|
#include "yaffs_packedtags2.h"
|
|
|
|
|
|
-#ifdef CONFIG_YAFFS_WINCE
|
|
-void yfsd_LockYAFFS(BOOL fsLockOnly);
|
|
-void yfsd_UnlockYAFFS(BOOL fsLockOnly);
|
|
-#endif
|
|
-
|
|
#define YAFFS_PASSIVE_GC_CHUNKS 2
|
|
|
|
#include "yaffs_ecc.h"
|
|
|
|
|
|
/* Robustification (if it ever comes about...) */
|
|
-static void yaffs_RetireBlock(yaffs_Device * dev, int blockInNAND);
|
|
-static void yaffs_HandleWriteChunkError(yaffs_Device * dev, int chunkInNAND, int erasedOk);
|
|
-static void yaffs_HandleWriteChunkOk(yaffs_Device * dev, int chunkInNAND,
|
|
- const __u8 * data,
|
|
- const yaffs_ExtendedTags * tags);
|
|
-static void yaffs_HandleUpdateChunk(yaffs_Device * dev, int chunkInNAND,
|
|
- const yaffs_ExtendedTags * tags);
|
|
+static void yaffs_RetireBlock(yaffs_Device *dev, int blockInNAND);
|
|
+static void yaffs_HandleWriteChunkError(yaffs_Device *dev, int chunkInNAND,
|
|
+ int erasedOk);
|
|
+static void yaffs_HandleWriteChunkOk(yaffs_Device *dev, int chunkInNAND,
|
|
+ const __u8 *data,
|
|
+ const yaffs_ExtendedTags *tags);
|
|
+static void yaffs_HandleUpdateChunk(yaffs_Device *dev, int chunkInNAND,
|
|
+ const yaffs_ExtendedTags *tags);
|
|
|
|
/* Other local prototypes */
|
|
-static int yaffs_UnlinkObject( 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_WriteNewChunkWithTagsToNAND(yaffs_Device * dev,
|
|
- const __u8 * buffer,
|
|
- yaffs_ExtendedTags * 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 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 void yaffs_RemoveObjectFromDirectory(yaffs_Object * obj);
|
|
+static int yaffs_WriteNewChunkWithTagsToNAND(yaffs_Device *dev,
|
|
+ const __u8 *buffer,
|
|
+ yaffs_ExtendedTags *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 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 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 yaffs_BlockInfo *yaffs_GetBlockInfo(yaffs_Device * dev, int blockNo);
|
|
-
|
|
-static __u8 *yaffs_GetTempBuffer(yaffs_Device * dev, int lineNo);
|
|
-static void yaffs_ReleaseTempBuffer(yaffs_Device * dev, __u8 * buffer,
|
|
- int lineNo);
|
|
+static int yaffs_DeleteWorker(yaffs_Object *in, yaffs_Tnode *tn, __u32 level,
|
|
+ int chunkOffset, int *limit);
|
|
+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);
|
|
|
|
-static int yaffs_UnlinkWorker(yaffs_Object * obj);
|
|
-static void yaffs_DestroyObject(yaffs_Object * obj);
|
|
+static int yaffs_CheckChunkErased(struct yaffs_DeviceStruct *dev,
|
|
+ int chunkInNAND);
|
|
|
|
-static int yaffs_TagsMatch(const yaffs_ExtendedTags * tags, int objectId,
|
|
- int chunkInObject);
|
|
+static int yaffs_UnlinkWorker(yaffs_Object *obj);
|
|
|
|
-loff_t yaffs_GetFileSize(yaffs_Object * obj);
|
|
+static int yaffs_TagsMatch(const yaffs_ExtendedTags *tags, int objectId,
|
|
+ int chunkInObject);
|
|
|
|
-static int yaffs_AllocateChunk(yaffs_Device * dev, int useReserve, yaffs_BlockInfo **blockUsedPtr);
|
|
+static int yaffs_AllocateChunk(yaffs_Device *dev, int useReserve,
|
|
+ yaffs_BlockInfo **blockUsedPtr);
|
|
|
|
-static void yaffs_VerifyFreeChunks(yaffs_Device * dev);
|
|
+static void yaffs_VerifyFreeChunks(yaffs_Device *dev);
|
|
|
|
static void yaffs_CheckObjectDetailsLoaded(yaffs_Object *in);
|
|
|
|
+static void yaffs_VerifyDirectory(yaffs_Object *directory);
|
|
#ifdef YAFFS_PARANOID
|
|
-static int yaffs_CheckFileSanity(yaffs_Object * in);
|
|
+static int yaffs_CheckFileSanity(yaffs_Object *in);
|
|
#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_InvalidateWholeChunkCache(yaffs_Object *in);
|
|
+static void yaffs_InvalidateChunkCache(yaffs_Object *object, int chunkId);
|
|
|
|
static void yaffs_InvalidateCheckpoint(yaffs_Device *dev);
|
|
|
|
-static int yaffs_FindChunkInFile(yaffs_Object * in, int chunkInInode,
|
|
- yaffs_ExtendedTags * 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 __u32 yaffs_GetChunkGroupBase(yaffs_Device *dev, yaffs_Tnode *tn,
|
|
+ unsigned pos);
|
|
+static yaffs_Tnode *yaffs_FindLevel0Tnode(yaffs_Device *dev,
|
|
+ yaffs_FileStructure *fStruct,
|
|
+ __u32 chunkId);
|
|
|
|
|
|
/* Function to calculate chunk and offset */
|
|
|
|
-static void yaffs_AddrToChunk(yaffs_Device *dev, loff_t addr, __u32 *chunk, __u32 *offset)
|
|
+static void yaffs_AddrToChunk(yaffs_Device *dev, loff_t addr, int *chunkOut,
|
|
+ __u32 *offsetOut)
|
|
{
|
|
- if(dev->chunkShift){
|
|
- /* Easy-peasy power of 2 case */
|
|
- *chunk = (__u32)(addr >> dev->chunkShift);
|
|
- *offset = (__u32)(addr & dev->chunkMask);
|
|
- }
|
|
- else if(dev->crumbsPerChunk)
|
|
- {
|
|
- /* Case where we're using "crumbs" */
|
|
- *offset = (__u32)(addr & dev->crumbMask);
|
|
- addr >>= dev->crumbShift;
|
|
- *chunk = ((__u32)addr)/dev->crumbsPerChunk;
|
|
- *offset += ((addr - (*chunk * dev->crumbsPerChunk)) << dev->crumbShift);
|
|
+ int chunk;
|
|
+ __u32 offset;
|
|
+
|
|
+ chunk = (__u32)(addr >> dev->chunkShift);
|
|
+
|
|
+ if (dev->chunkDiv == 1) {
|
|
+ /* easy power of 2 case */
|
|
+ offset = (__u32)(addr & dev->chunkMask);
|
|
+ } else {
|
|
+ /* Non power-of-2 case */
|
|
+
|
|
+ loff_t chunkBase;
|
|
+
|
|
+ chunk /= dev->chunkDiv;
|
|
+
|
|
+ chunkBase = ((loff_t)chunk) * dev->nDataBytesPerChunk;
|
|
+ offset = (__u32)(addr - chunkBase);
|
|
}
|
|
- else
|
|
- YBUG();
|
|
+
|
|
+ *chunkOut = chunk;
|
|
+ *offsetOut = offset;
|
|
}
|
|
|
|
-/* Function to return the number of shifts for a power of 2 greater than or equal
|
|
- * to the given number
|
|
+/* Function to return the number of shifts for a power of 2 greater than or
|
|
+ * equal to the given number
|
|
* Note we don't try to cater for all possible numbers and this does not have to
|
|
* be hellishly efficient.
|
|
*/
|
|
@@ -153,13 +154,14 @@ static __u32 ShiftsGE(__u32 x)
|
|
|
|
nShifts = extraBits = 0;
|
|
|
|
- while(x>1){
|
|
- if(x & 1) extraBits++;
|
|
- x>>=1;
|
|
+ while (x > 1) {
|
|
+ if (x & 1)
|
|
+ extraBits++;
|
|
+ x >>= 1;
|
|
nShifts++;
|
|
}
|
|
|
|
- if(extraBits)
|
|
+ if (extraBits)
|
|
nShifts++;
|
|
|
|
return nShifts;
|
|
@@ -168,16 +170,17 @@ static __u32 ShiftsGE(__u32 x)
|
|
/* Function to return the number of shifts to get a 1 in bit 0
|
|
*/
|
|
|
|
-static __u32 ShiftDiv(__u32 x)
|
|
+static __u32 Shifts(__u32 x)
|
|
{
|
|
int nShifts;
|
|
|
|
nShifts = 0;
|
|
|
|
- if(!x) return 0;
|
|
+ if (!x)
|
|
+ return 0;
|
|
|
|
- while( !(x&1)){
|
|
- x>>=1;
|
|
+ while (!(x&1)) {
|
|
+ x >>= 1;
|
|
nShifts++;
|
|
}
|
|
|
|
@@ -195,21 +198,25 @@ static int yaffs_InitialiseTempBuffers(y
|
|
int i;
|
|
__u8 *buf = (__u8 *)1;
|
|
|
|
- memset(dev->tempBuffer,0,sizeof(dev->tempBuffer));
|
|
+ memset(dev->tempBuffer, 0, sizeof(dev->tempBuffer));
|
|
|
|
for (i = 0; buf && i < YAFFS_N_TEMP_BUFFERS; i++) {
|
|
dev->tempBuffer[i].line = 0; /* not in use */
|
|
dev->tempBuffer[i].buffer = buf =
|
|
- YMALLOC_DMA(dev->nDataBytesPerChunk);
|
|
+ YMALLOC_DMA(dev->totalBytesPerChunk);
|
|
}
|
|
|
|
return buf ? YAFFS_OK : YAFFS_FAIL;
|
|
-
|
|
}
|
|
|
|
-static __u8 *yaffs_GetTempBuffer(yaffs_Device * dev, int lineNo)
|
|
+__u8 *yaffs_GetTempBuffer(yaffs_Device *dev, int lineNo)
|
|
{
|
|
int i, j;
|
|
+
|
|
+ dev->tempInUse++;
|
|
+ if (dev->tempInUse > dev->maxTemp)
|
|
+ dev->maxTemp = dev->tempInUse;
|
|
+
|
|
for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) {
|
|
if (dev->tempBuffer[i].line == 0) {
|
|
dev->tempBuffer[i].line = lineNo;
|
|
@@ -227,9 +234,9 @@ static __u8 *yaffs_GetTempBuffer(yaffs_D
|
|
T(YAFFS_TRACE_BUFFERS,
|
|
(TSTR("Out of temp buffers at line %d, other held by lines:"),
|
|
lineNo));
|
|
- for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) {
|
|
+ for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++)
|
|
T(YAFFS_TRACE_BUFFERS, (TSTR(" %d "), dev->tempBuffer[i].line));
|
|
- }
|
|
+
|
|
T(YAFFS_TRACE_BUFFERS, (TSTR(" " TENDSTR)));
|
|
|
|
/*
|
|
@@ -242,10 +249,13 @@ static __u8 *yaffs_GetTempBuffer(yaffs_D
|
|
|
|
}
|
|
|
|
-static void yaffs_ReleaseTempBuffer(yaffs_Device * dev, __u8 * buffer,
|
|
+void yaffs_ReleaseTempBuffer(yaffs_Device *dev, __u8 *buffer,
|
|
int lineNo)
|
|
{
|
|
int i;
|
|
+
|
|
+ dev->tempInUse--;
|
|
+
|
|
for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) {
|
|
if (dev->tempBuffer[i].buffer == buffer) {
|
|
dev->tempBuffer[i].line = 0;
|
|
@@ -267,27 +277,26 @@ static void yaffs_ReleaseTempBuffer(yaff
|
|
/*
|
|
* Determine if we have a managed buffer.
|
|
*/
|
|
-int yaffs_IsManagedTempBuffer(yaffs_Device * dev, const __u8 * buffer)
|
|
+int yaffs_IsManagedTempBuffer(yaffs_Device *dev, const __u8 *buffer)
|
|
{
|
|
int i;
|
|
+
|
|
for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) {
|
|
if (dev->tempBuffer[i].buffer == buffer)
|
|
return 1;
|
|
+ }
|
|
|
|
+ for (i = 0; i < dev->nShortOpCaches; i++) {
|
|
+ if (dev->srCache[i].data == buffer)
|
|
+ return 1;
|
|
}
|
|
|
|
- for (i = 0; i < dev->nShortOpCaches; i++) {
|
|
- if( dev->srCache[i].data == buffer )
|
|
- return 1;
|
|
-
|
|
- }
|
|
-
|
|
- if (buffer == dev->checkpointBuffer)
|
|
- return 1;
|
|
-
|
|
- T(YAFFS_TRACE_ALWAYS,
|
|
- (TSTR("yaffs: unmaged buffer detected.\n" TENDSTR)));
|
|
- return 0;
|
|
+ if (buffer == dev->checkpointBuffer)
|
|
+ return 1;
|
|
+
|
|
+ T(YAFFS_TRACE_ALWAYS,
|
|
+ (TSTR("yaffs: unmaged buffer detected.\n" TENDSTR)));
|
|
+ return 0;
|
|
}
|
|
|
|
|
|
@@ -296,62 +305,63 @@ int yaffs_IsManagedTempBuffer(yaffs_Devi
|
|
* Chunk bitmap manipulations
|
|
*/
|
|
|
|
-static Y_INLINE __u8 *yaffs_BlockBits(yaffs_Device * dev, int blk)
|
|
+static Y_INLINE __u8 *yaffs_BlockBits(yaffs_Device *dev, int blk)
|
|
{
|
|
if (blk < dev->internalStartBlock || blk > dev->internalEndBlock) {
|
|
T(YAFFS_TRACE_ERROR,
|
|
- (TSTR("**>> yaffs: BlockBits block %d is not valid" TENDSTR),
|
|
- blk));
|
|
+ (TSTR("**>> yaffs: BlockBits block %d is not valid" TENDSTR),
|
|
+ blk));
|
|
YBUG();
|
|
}
|
|
return dev->chunkBits +
|
|
- (dev->chunkBitmapStride * (blk - dev->internalStartBlock));
|
|
+ (dev->chunkBitmapStride * (blk - dev->internalStartBlock));
|
|
}
|
|
|
|
static Y_INLINE void yaffs_VerifyChunkBitId(yaffs_Device *dev, int blk, int chunk)
|
|
{
|
|
- if(blk < dev->internalStartBlock || blk > dev->internalEndBlock ||
|
|
- chunk < 0 || chunk >= dev->nChunksPerBlock) {
|
|
- T(YAFFS_TRACE_ERROR,
|
|
- (TSTR("**>> yaffs: Chunk Id (%d:%d) invalid"TENDSTR),blk,chunk));
|
|
- YBUG();
|
|
+ if (blk < dev->internalStartBlock || blk > dev->internalEndBlock ||
|
|
+ chunk < 0 || chunk >= dev->nChunksPerBlock) {
|
|
+ T(YAFFS_TRACE_ERROR,
|
|
+ (TSTR("**>> yaffs: Chunk Id (%d:%d) invalid"TENDSTR),
|
|
+ blk, chunk));
|
|
+ YBUG();
|
|
}
|
|
}
|
|
|
|
-static Y_INLINE void yaffs_ClearChunkBits(yaffs_Device * dev, int blk)
|
|
+static Y_INLINE void yaffs_ClearChunkBits(yaffs_Device *dev, int blk)
|
|
{
|
|
__u8 *blkBits = yaffs_BlockBits(dev, blk);
|
|
|
|
memset(blkBits, 0, dev->chunkBitmapStride);
|
|
}
|
|
|
|
-static Y_INLINE void yaffs_ClearChunkBit(yaffs_Device * dev, int blk, int chunk)
|
|
+static Y_INLINE void yaffs_ClearChunkBit(yaffs_Device *dev, int blk, int chunk)
|
|
{
|
|
__u8 *blkBits = yaffs_BlockBits(dev, blk);
|
|
|
|
- yaffs_VerifyChunkBitId(dev,blk,chunk);
|
|
+ yaffs_VerifyChunkBitId(dev, blk, chunk);
|
|
|
|
blkBits[chunk / 8] &= ~(1 << (chunk & 7));
|
|
}
|
|
|
|
-static Y_INLINE void yaffs_SetChunkBit(yaffs_Device * dev, int blk, int chunk)
|
|
+static Y_INLINE void yaffs_SetChunkBit(yaffs_Device *dev, int blk, int chunk)
|
|
{
|
|
__u8 *blkBits = yaffs_BlockBits(dev, blk);
|
|
|
|
- yaffs_VerifyChunkBitId(dev,blk,chunk);
|
|
+ yaffs_VerifyChunkBitId(dev, blk, chunk);
|
|
|
|
blkBits[chunk / 8] |= (1 << (chunk & 7));
|
|
}
|
|
|
|
-static Y_INLINE int yaffs_CheckChunkBit(yaffs_Device * dev, int blk, int chunk)
|
|
+static Y_INLINE int yaffs_CheckChunkBit(yaffs_Device *dev, int blk, int chunk)
|
|
{
|
|
__u8 *blkBits = yaffs_BlockBits(dev, blk);
|
|
- yaffs_VerifyChunkBitId(dev,blk,chunk);
|
|
+ yaffs_VerifyChunkBitId(dev, blk, chunk);
|
|
|
|
return (blkBits[chunk / 8] & (1 << (chunk & 7))) ? 1 : 0;
|
|
}
|
|
|
|
-static Y_INLINE int yaffs_StillSomeChunkBits(yaffs_Device * dev, int blk)
|
|
+static Y_INLINE int yaffs_StillSomeChunkBits(yaffs_Device *dev, int blk)
|
|
{
|
|
__u8 *blkBits = yaffs_BlockBits(dev, blk);
|
|
int i;
|
|
@@ -363,17 +373,17 @@ static Y_INLINE int yaffs_StillSomeChunk
|
|
return 0;
|
|
}
|
|
|
|
-static int yaffs_CountChunkBits(yaffs_Device * dev, int blk)
|
|
+static int yaffs_CountChunkBits(yaffs_Device *dev, int blk)
|
|
{
|
|
__u8 *blkBits = yaffs_BlockBits(dev, blk);
|
|
int i;
|
|
int n = 0;
|
|
for (i = 0; i < dev->chunkBitmapStride; i++) {
|
|
__u8 x = *blkBits;
|
|
- while(x){
|
|
- if(x & 1)
|
|
+ while (x) {
|
|
+ if (x & 1)
|
|
n++;
|
|
- x >>=1;
|
|
+ x >>= 1;
|
|
}
|
|
|
|
blkBits++;
|
|
@@ -400,7 +410,7 @@ static int yaffs_SkipNANDVerification(ya
|
|
return !(yaffs_traceMask & (YAFFS_TRACE_VERIFY_NAND));
|
|
}
|
|
|
|
-static const char * blockStateName[] = {
|
|
+static const char *blockStateName[] = {
|
|
"Unknown",
|
|
"Needs scanning",
|
|
"Scanning",
|
|
@@ -413,64 +423,65 @@ static const char * blockStateName[] = {
|
|
"Dead"
|
|
};
|
|
|
|
-static void yaffs_VerifyBlock(yaffs_Device *dev,yaffs_BlockInfo *bi,int n)
|
|
+static void yaffs_VerifyBlock(yaffs_Device *dev, yaffs_BlockInfo *bi, int n)
|
|
{
|
|
int actuallyUsed;
|
|
int inUse;
|
|
|
|
- if(yaffs_SkipVerification(dev))
|
|
+ if (yaffs_SkipVerification(dev))
|
|
return;
|
|
|
|
/* Report illegal runtime states */
|
|
- if(bi->blockState <0 || bi->blockState >= YAFFS_NUMBER_OF_BLOCK_STATES)
|
|
- T(YAFFS_TRACE_VERIFY,(TSTR("Block %d has undefined state %d"TENDSTR),n,bi->blockState));
|
|
+ if (bi->blockState >= YAFFS_NUMBER_OF_BLOCK_STATES)
|
|
+ T(YAFFS_TRACE_VERIFY, (TSTR("Block %d has undefined state %d"TENDSTR), n, bi->blockState));
|
|
|
|
- switch(bi->blockState){
|
|
- 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]));
|
|
+ switch (bi->blockState) {
|
|
+ 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]));
|
|
}
|
|
|
|
/* Check pages in use and soft deletions are legal */
|
|
|
|
actuallyUsed = bi->pagesInUse - bi->softDeletions;
|
|
|
|
- if(bi->pagesInUse < 0 || bi->pagesInUse > dev->nChunksPerBlock ||
|
|
+ if (bi->pagesInUse < 0 || bi->pagesInUse > dev->nChunksPerBlock ||
|
|
bi->softDeletions < 0 || bi->softDeletions > dev->nChunksPerBlock ||
|
|
actuallyUsed < 0 || actuallyUsed > dev->nChunksPerBlock)
|
|
- T(YAFFS_TRACE_VERIFY,(TSTR("Block %d has illegal values pagesInUsed %d softDeletions %d"TENDSTR),
|
|
- n,bi->pagesInUse,bi->softDeletions));
|
|
+ T(YAFFS_TRACE_VERIFY, (TSTR("Block %d has illegal values pagesInUsed %d softDeletions %d"TENDSTR),
|
|
+ n, bi->pagesInUse, bi->softDeletions));
|
|
|
|
|
|
/* 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_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));
|
|
|
|
/* Check that the sequence number is valid.
|
|
* Ten million is legal, but is very unlikely
|
|
*/
|
|
- if(dev->isYaffs2 &&
|
|
+ if (dev->isYaffs2 &&
|
|
(bi->blockState == YAFFS_BLOCK_STATE_ALLOCATING || bi->blockState == YAFFS_BLOCK_STATE_FULL) &&
|
|
- (bi->sequenceNumber < YAFFS_LOWEST_SEQUENCE_NUMBER || bi->sequenceNumber > 10000000 ))
|
|
- T(YAFFS_TRACE_VERIFY,(TSTR("Block %d has suspect sequence number of %d"TENDSTR),
|
|
- n,bi->sequenceNumber));
|
|
-
|
|
+ (bi->sequenceNumber < YAFFS_LOWEST_SEQUENCE_NUMBER || bi->sequenceNumber > 10000000))
|
|
+ T(YAFFS_TRACE_VERIFY, (TSTR("Block %d has suspect sequence number of %d"TENDSTR),
|
|
+ n, bi->sequenceNumber));
|
|
}
|
|
|
|
-static void yaffs_VerifyCollectedBlock(yaffs_Device *dev,yaffs_BlockInfo *bi,int n)
|
|
+static void yaffs_VerifyCollectedBlock(yaffs_Device *dev, yaffs_BlockInfo *bi,
|
|
+ int n)
|
|
{
|
|
- yaffs_VerifyBlock(dev,bi,n);
|
|
+ yaffs_VerifyBlock(dev, bi, n);
|
|
|
|
/* After collection the block should be in the erased state */
|
|
- /* TODO: This will need to change if we do partial gc */
|
|
+ /* This will need to change if we do partial gc */
|
|
|
|
- if(bi->blockState != YAFFS_BLOCK_STATE_EMPTY){
|
|
- T(YAFFS_TRACE_ERROR,(TSTR("Block %d is in state %d after gc, should be erased"TENDSTR),
|
|
- n,bi->blockState));
|
|
+ if (bi->blockState != YAFFS_BLOCK_STATE_COLLECTING &&
|
|
+ bi->blockState != YAFFS_BLOCK_STATE_EMPTY) {
|
|
+ T(YAFFS_TRACE_ERROR, (TSTR("Block %d is in state %d after gc, should be erased"TENDSTR),
|
|
+ n, bi->blockState));
|
|
}
|
|
}
|
|
|
|
@@ -480,52 +491,49 @@ static void yaffs_VerifyBlocks(yaffs_Dev
|
|
int nBlocksPerState[YAFFS_NUMBER_OF_BLOCK_STATES];
|
|
int nIllegalBlockStates = 0;
|
|
|
|
-
|
|
- if(yaffs_SkipVerification(dev))
|
|
+ if (yaffs_SkipVerification(dev))
|
|
return;
|
|
|
|
- memset(nBlocksPerState,0,sizeof(nBlocksPerState));
|
|
-
|
|
+ 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->internalStartBlock; i <= dev->internalEndBlock; i++) {
|
|
+ yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, i);
|
|
+ yaffs_VerifyBlock(dev, bi, i);
|
|
|
|
- if(bi->blockState >=0 && bi->blockState < YAFFS_NUMBER_OF_BLOCK_STATES)
|
|
+ if (bi->blockState < YAFFS_NUMBER_OF_BLOCK_STATES)
|
|
nBlocksPerState[bi->blockState]++;
|
|
else
|
|
nIllegalBlockStates++;
|
|
-
|
|
}
|
|
|
|
- T(YAFFS_TRACE_VERIFY,(TSTR(""TENDSTR)));
|
|
- T(YAFFS_TRACE_VERIFY,(TSTR("Block summary"TENDSTR)));
|
|
+ T(YAFFS_TRACE_VERIFY, (TSTR(""TENDSTR)));
|
|
+ T(YAFFS_TRACE_VERIFY, (TSTR("Block summary"TENDSTR)));
|
|
|
|
- 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)));
|
|
+ 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)));
|
|
|
|
- for(i = 0; i < YAFFS_NUMBER_OF_BLOCK_STATES; i++)
|
|
+ for (i = 0; i < YAFFS_NUMBER_OF_BLOCK_STATES; i++)
|
|
T(YAFFS_TRACE_VERIFY,
|
|
(TSTR("%s %d blocks"TENDSTR),
|
|
- blockStateName[i],nBlocksPerState[i]));
|
|
+ blockStateName[i], nBlocksPerState[i]));
|
|
|
|
- if(dev->blocksInCheckpoint != nBlocksPerState[YAFFS_BLOCK_STATE_CHECKPOINT])
|
|
+ if (dev->blocksInCheckpoint != 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]));
|
|
|
|
- if(dev->nErasedBlocks != nBlocksPerState[YAFFS_BLOCK_STATE_EMPTY])
|
|
+ if (dev->nErasedBlocks != 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]));
|
|
|
|
- if(nBlocksPerState[YAFFS_BLOCK_STATE_COLLECTING] > 1)
|
|
+ if (nBlocksPerState[YAFFS_BLOCK_STATE_COLLECTING] > 1)
|
|
T(YAFFS_TRACE_VERIFY,
|
|
(TSTR("Too many collecting blocks %d (max is 1)"TENDSTR),
|
|
nBlocksPerState[YAFFS_BLOCK_STATE_COLLECTING]));
|
|
|
|
- T(YAFFS_TRACE_VERIFY,(TSTR(""TENDSTR)));
|
|
+ T(YAFFS_TRACE_VERIFY, (TSTR(""TENDSTR)));
|
|
|
|
}
|
|
|
|
@@ -535,26 +543,26 @@ static void yaffs_VerifyBlocks(yaffs_Dev
|
|
*/
|
|
static void yaffs_VerifyObjectHeader(yaffs_Object *obj, yaffs_ObjectHeader *oh, yaffs_ExtendedTags *tags, int parentCheck)
|
|
{
|
|
- if(yaffs_SkipVerification(obj->myDev))
|
|
+ if (obj && yaffs_SkipVerification(obj->myDev))
|
|
return;
|
|
|
|
- if(!(tags && obj && oh)){
|
|
- T(YAFFS_TRACE_VERIFY,
|
|
- (TSTR("Verifying object header tags %x obj %x oh %x"TENDSTR),
|
|
- (__u32)tags,(__u32)obj,(__u32)oh));
|
|
+ if (!(tags && obj && oh)) {
|
|
+ T(YAFFS_TRACE_VERIFY,
|
|
+ (TSTR("Verifying object header tags %x obj %x oh %x"TENDSTR),
|
|
+ (__u32)tags, (__u32)obj, (__u32)oh));
|
|
return;
|
|
}
|
|
|
|
- if(oh->type <= YAFFS_OBJECT_TYPE_UNKNOWN ||
|
|
- 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));
|
|
-
|
|
- if(tags->objectId != obj->objectId)
|
|
- T(YAFFS_TRACE_VERIFY,
|
|
- (TSTR("Obj %d header mismatch objectId %d"TENDSTR),
|
|
- tags->objectId, obj->objectId));
|
|
+ if (oh->type <= YAFFS_OBJECT_TYPE_UNKNOWN ||
|
|
+ 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));
|
|
+
|
|
+ if (tags->objectId != obj->objectId)
|
|
+ T(YAFFS_TRACE_VERIFY,
|
|
+ (TSTR("Obj %d header mismatch objectId %d"TENDSTR),
|
|
+ tags->objectId, obj->objectId));
|
|
|
|
|
|
/*
|
|
@@ -563,46 +571,43 @@ static void yaffs_VerifyObjectHeader(yaf
|
|
* Tests do not apply to the root object.
|
|
*/
|
|
|
|
- if(parentCheck && tags->objectId > 1 && !obj->parent)
|
|
- T(YAFFS_TRACE_VERIFY,
|
|
- (TSTR("Obj %d header mismatch parentId %d obj->parent is NULL"TENDSTR),
|
|
- tags->objectId, oh->parentObjectId));
|
|
-
|
|
-
|
|
- if(parentCheck && obj->parent &&
|
|
- oh->parentObjectId != obj->parent->objectId &&
|
|
- (oh->parentObjectId != YAFFS_OBJECTID_UNLINKED ||
|
|
- obj->parent->objectId != YAFFS_OBJECTID_DELETED))
|
|
- T(YAFFS_TRACE_VERIFY,
|
|
- (TSTR("Obj %d header mismatch parentId %d parentObjectId %d"TENDSTR),
|
|
- tags->objectId, oh->parentObjectId, obj->parent->objectId));
|
|
+ if (parentCheck && tags->objectId > 1 && !obj->parent)
|
|
+ T(YAFFS_TRACE_VERIFY,
|
|
+ (TSTR("Obj %d header mismatch parentId %d obj->parent is NULL"TENDSTR),
|
|
+ tags->objectId, oh->parentObjectId));
|
|
|
|
+ if (parentCheck && obj->parent &&
|
|
+ oh->parentObjectId != obj->parent->objectId &&
|
|
+ (oh->parentObjectId != YAFFS_OBJECTID_UNLINKED ||
|
|
+ obj->parent->objectId != YAFFS_OBJECTID_DELETED))
|
|
+ T(YAFFS_TRACE_VERIFY,
|
|
+ (TSTR("Obj %d header mismatch parentId %d parentObjectId %d"TENDSTR),
|
|
+ tags->objectId, oh->parentObjectId, obj->parent->objectId));
|
|
|
|
- if(tags->objectId > 1 && oh->name[0] == 0) /* Null name */
|
|
+ if (tags->objectId > 1 && oh->name[0] == 0) /* Null name */
|
|
T(YAFFS_TRACE_VERIFY,
|
|
- (TSTR("Obj %d header name is NULL"TENDSTR),
|
|
- obj->objectId));
|
|
+ (TSTR("Obj %d header name is NULL"TENDSTR),
|
|
+ obj->objectId));
|
|
|
|
- if(tags->objectId > 1 && ((__u8)(oh->name[0])) == 0xff) /* Trashed name */
|
|
+ if (tags->objectId > 1 && ((__u8)(oh->name[0])) == 0xff) /* Trashed name */
|
|
T(YAFFS_TRACE_VERIFY,
|
|
- (TSTR("Obj %d header name is 0xFF"TENDSTR),
|
|
- obj->objectId));
|
|
+ (TSTR("Obj %d header name is 0xFF"TENDSTR),
|
|
+ obj->objectId));
|
|
}
|
|
|
|
|
|
|
|
-static int yaffs_VerifyTnodeWorker(yaffs_Object * obj, yaffs_Tnode * tn,
|
|
- __u32 level, int chunkOffset)
|
|
+static int yaffs_VerifyTnodeWorker(yaffs_Object *obj, yaffs_Tnode *tn,
|
|
+ __u32 level, int chunkOffset)
|
|
{
|
|
int i;
|
|
yaffs_Device *dev = obj->myDev;
|
|
int ok = 1;
|
|
- int nTnodeBytes = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8;
|
|
|
|
if (tn) {
|
|
if (level > 0) {
|
|
|
|
- for (i = 0; i < YAFFS_NTNODES_INTERNAL && ok; i++){
|
|
+ for (i = 0; i < YAFFS_NTNODES_INTERNAL && ok; i++) {
|
|
if (tn->internal[i]) {
|
|
ok = yaffs_VerifyTnodeWorker(obj,
|
|
tn->internal[i],
|
|
@@ -611,20 +616,19 @@ static int yaffs_VerifyTnodeWorker(yaffs
|
|
}
|
|
}
|
|
} else if (level == 0) {
|
|
- int i;
|
|
yaffs_ExtendedTags tags;
|
|
__u32 objectId = obj->objectId;
|
|
|
|
chunkOffset <<= YAFFS_TNODES_LEVEL0_BITS;
|
|
|
|
- for(i = 0; i < YAFFS_NTNODES_LEVEL0; i++){
|
|
- __u32 theChunk = yaffs_GetChunkGroupBase(dev,tn,i);
|
|
+ for (i = 0; i < YAFFS_NTNODES_LEVEL0; i++) {
|
|
+ __u32 theChunk = yaffs_GetChunkGroupBase(dev, tn, i);
|
|
|
|
- if(theChunk > 0){
|
|
+ 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),
|
|
+ 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));
|
|
}
|
|
@@ -646,13 +650,15 @@ static void yaffs_VerifyFile(yaffs_Objec
|
|
__u32 lastChunk;
|
|
__u32 x;
|
|
__u32 i;
|
|
- int ok;
|
|
yaffs_Device *dev;
|
|
yaffs_ExtendedTags tags;
|
|
yaffs_Tnode *tn;
|
|
__u32 objectId;
|
|
|
|
- if(obj && yaffs_SkipVerification(obj->myDev))
|
|
+ if (!obj)
|
|
+ return;
|
|
+
|
|
+ if (yaffs_SkipVerification(obj->myDev))
|
|
return;
|
|
|
|
dev = obj->myDev;
|
|
@@ -662,17 +668,17 @@ static void yaffs_VerifyFile(yaffs_Objec
|
|
lastChunk = obj->variant.fileVariant.fileSize / dev->nDataBytesPerChunk + 1;
|
|
x = lastChunk >> YAFFS_TNODES_LEVEL0_BITS;
|
|
requiredTallness = 0;
|
|
- while (x> 0) {
|
|
+ while (x > 0) {
|
|
x >>= YAFFS_TNODES_INTERNAL_BITS;
|
|
requiredTallness++;
|
|
}
|
|
|
|
actualTallness = obj->variant.fileVariant.topLevel;
|
|
|
|
- if(requiredTallness > actualTallness )
|
|
+ if (requiredTallness > actualTallness)
|
|
T(YAFFS_TRACE_VERIFY,
|
|
(TSTR("Obj %d had tnode tallness %d, needs to be %d"TENDSTR),
|
|
- obj->objectId,actualTallness, requiredTallness));
|
|
+ obj->objectId, actualTallness, requiredTallness));
|
|
|
|
|
|
/* Check that the chunks in the tnode tree are all correct.
|
|
@@ -680,39 +686,31 @@ static void yaffs_VerifyFile(yaffs_Objec
|
|
* checking the tags for every chunk match.
|
|
*/
|
|
|
|
- if(yaffs_SkipNANDVerification(dev))
|
|
+ if (yaffs_SkipNANDVerification(dev))
|
|
return;
|
|
|
|
- for(i = 1; i <= lastChunk; i++){
|
|
- tn = yaffs_FindLevel0Tnode(dev, &obj->variant.fileVariant,i);
|
|
+ for (i = 1; i <= lastChunk; i++) {
|
|
+ tn = yaffs_FindLevel0Tnode(dev, &obj->variant.fileVariant, i);
|
|
|
|
if (tn) {
|
|
- __u32 theChunk = yaffs_GetChunkGroupBase(dev,tn,i);
|
|
- if(theChunk > 0){
|
|
+ __u32 theChunk = yaffs_GetChunkGroupBase(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),
|
|
+ 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));
|
|
}
|
|
}
|
|
}
|
|
-
|
|
}
|
|
-
|
|
}
|
|
|
|
-static void yaffs_VerifyDirectory(yaffs_Object *obj)
|
|
-{
|
|
- if(obj && yaffs_SkipVerification(obj->myDev))
|
|
- return;
|
|
-
|
|
-}
|
|
|
|
static void yaffs_VerifyHardLink(yaffs_Object *obj)
|
|
{
|
|
- if(obj && yaffs_SkipVerification(obj->myDev))
|
|
+ if (obj && yaffs_SkipVerification(obj->myDev))
|
|
return;
|
|
|
|
/* Verify sane equivalent object */
|
|
@@ -720,7 +718,7 @@ static void yaffs_VerifyHardLink(yaffs_O
|
|
|
|
static void yaffs_VerifySymlink(yaffs_Object *obj)
|
|
{
|
|
- if(obj && yaffs_SkipVerification(obj->myDev))
|
|
+ if (obj && yaffs_SkipVerification(obj->myDev))
|
|
return;
|
|
|
|
/* Verify symlink string */
|
|
@@ -728,7 +726,7 @@ static void yaffs_VerifySymlink(yaffs_Ob
|
|
|
|
static void yaffs_VerifySpecial(yaffs_Object *obj)
|
|
{
|
|
- if(obj && yaffs_SkipVerification(obj->myDev))
|
|
+ if (obj && yaffs_SkipVerification(obj->myDev))
|
|
return;
|
|
}
|
|
|
|
@@ -740,14 +738,19 @@ static void yaffs_VerifyObject(yaffs_Obj
|
|
__u32 chunkMax;
|
|
|
|
__u32 chunkIdOk;
|
|
- __u32 chunkIsLive;
|
|
+ __u32 chunkInRange;
|
|
+ __u32 chunkShouldNotBeDeleted;
|
|
+ __u32 chunkValid;
|
|
+
|
|
+ if (!obj)
|
|
+ return;
|
|
|
|
- if(!obj)
|
|
+ if (obj->beingCreated)
|
|
return;
|
|
|
|
dev = obj->myDev;
|
|
|
|
- if(yaffs_SkipVerification(dev))
|
|
+ if (yaffs_SkipVerification(dev))
|
|
return;
|
|
|
|
/* Check sane object header chunk */
|
|
@@ -755,50 +758,54 @@ static void yaffs_VerifyObject(yaffs_Obj
|
|
chunkMin = dev->internalStartBlock * dev->nChunksPerBlock;
|
|
chunkMax = (dev->internalEndBlock+1) * dev->nChunksPerBlock - 1;
|
|
|
|
- chunkIdOk = (obj->chunkId >= chunkMin && obj->chunkId <= chunkMax);
|
|
- chunkIsLive = chunkIdOk &&
|
|
+ chunkInRange = (((unsigned)(obj->hdrChunk)) >= chunkMin && ((unsigned)(obj->hdrChunk)) <= chunkMax);
|
|
+ chunkIdOk = chunkInRange || obj->hdrChunk == 0;
|
|
+ chunkValid = chunkInRange &&
|
|
yaffs_CheckChunkBit(dev,
|
|
- obj->chunkId / dev->nChunksPerBlock,
|
|
- obj->chunkId % dev->nChunksPerBlock);
|
|
- if(!obj->fake &&
|
|
- (!chunkIdOk || !chunkIsLive)) {
|
|
- T(YAFFS_TRACE_VERIFY,
|
|
- (TSTR("Obj %d has chunkId %d %s %s"TENDSTR),
|
|
- obj->objectId,obj->chunkId,
|
|
- chunkIdOk ? "" : ",out of range",
|
|
- chunkIsLive || !chunkIdOk ? "" : ",marked as deleted"));
|
|
+ obj->hdrChunk / dev->nChunksPerBlock,
|
|
+ obj->hdrChunk % dev->nChunksPerBlock);
|
|
+ chunkShouldNotBeDeleted = chunkInRange && !chunkValid;
|
|
+
|
|
+ if (!obj->fake &&
|
|
+ (!chunkIdOk || chunkShouldNotBeDeleted)) {
|
|
+ T(YAFFS_TRACE_VERIFY,
|
|
+ (TSTR("Obj %d has chunkId %d %s %s"TENDSTR),
|
|
+ obj->objectId, obj->hdrChunk,
|
|
+ chunkIdOk ? "" : ",out of range",
|
|
+ chunkShouldNotBeDeleted ? ",marked as deleted" : ""));
|
|
}
|
|
|
|
- if(chunkIdOk && chunkIsLive &&!yaffs_SkipNANDVerification(dev)) {
|
|
+ if (chunkValid && !yaffs_SkipNANDVerification(dev)) {
|
|
yaffs_ExtendedTags tags;
|
|
yaffs_ObjectHeader *oh;
|
|
- __u8 *buffer = yaffs_GetTempBuffer(dev,__LINE__);
|
|
+ __u8 *buffer = yaffs_GetTempBuffer(dev, __LINE__);
|
|
|
|
oh = (yaffs_ObjectHeader *)buffer;
|
|
|
|
- yaffs_ReadChunkWithTagsFromNAND(dev, obj->chunkId,buffer, &tags);
|
|
+ yaffs_ReadChunkWithTagsFromNAND(dev, obj->hdrChunk, buffer,
|
|
+ &tags);
|
|
|
|
- yaffs_VerifyObjectHeader(obj,oh,&tags,1);
|
|
+ yaffs_VerifyObjectHeader(obj, oh, &tags, 1);
|
|
|
|
- yaffs_ReleaseTempBuffer(dev,buffer,__LINE__);
|
|
+ yaffs_ReleaseTempBuffer(dev, buffer, __LINE__);
|
|
}
|
|
|
|
/* Verify it has a parent */
|
|
- if(obj && !obj->fake &&
|
|
- (!obj->parent || obj->parent->myDev != dev)){
|
|
- T(YAFFS_TRACE_VERIFY,
|
|
- (TSTR("Obj %d has parent pointer %p which does not look like an object"TENDSTR),
|
|
- obj->objectId,obj->parent));
|
|
+ if (obj && !obj->fake &&
|
|
+ (!obj->parent || obj->parent->myDev != dev)) {
|
|
+ T(YAFFS_TRACE_VERIFY,
|
|
+ (TSTR("Obj %d has parent pointer %p which does not look like an object"TENDSTR),
|
|
+ obj->objectId, obj->parent));
|
|
}
|
|
|
|
/* Verify parent is a directory */
|
|
- if(obj->parent && obj->parent->variantType != 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));
|
|
+ if (obj->parent && obj->parent->variantType != 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));
|
|
}
|
|
|
|
- switch(obj->variantType){
|
|
+ switch (obj->variantType) {
|
|
case YAFFS_OBJECT_TYPE_FILE:
|
|
yaffs_VerifyFile(obj);
|
|
break;
|
|
@@ -818,33 +825,30 @@ static void yaffs_VerifyObject(yaffs_Obj
|
|
default:
|
|
T(YAFFS_TRACE_VERIFY,
|
|
(TSTR("Obj %d has illegaltype %d"TENDSTR),
|
|
- obj->objectId,obj->variantType));
|
|
+ obj->objectId, obj->variantType));
|
|
break;
|
|
}
|
|
-
|
|
-
|
|
}
|
|
|
|
static void yaffs_VerifyObjects(yaffs_Device *dev)
|
|
{
|
|
yaffs_Object *obj;
|
|
int i;
|
|
- struct list_head *lh;
|
|
+ struct ylist_head *lh;
|
|
|
|
- if(yaffs_SkipVerification(dev))
|
|
+ if (yaffs_SkipVerification(dev))
|
|
return;
|
|
|
|
/* Iterate through the objects in each hash entry */
|
|
|
|
- for(i = 0; i < YAFFS_NOBJECT_BUCKETS; i++){
|
|
- list_for_each(lh, &dev->objectBucket[i].list) {
|
|
+ for (i = 0; i < YAFFS_NOBJECT_BUCKETS; i++) {
|
|
+ ylist_for_each(lh, &dev->objectBucket[i].list) {
|
|
if (lh) {
|
|
- obj = list_entry(lh, yaffs_Object, hashLink);
|
|
+ obj = ylist_entry(lh, yaffs_Object, hashLink);
|
|
yaffs_VerifyObject(obj);
|
|
}
|
|
}
|
|
- }
|
|
-
|
|
+ }
|
|
}
|
|
|
|
|
|
@@ -855,19 +859,20 @@ static void yaffs_VerifyObjects(yaffs_De
|
|
static Y_INLINE int yaffs_HashFunction(int n)
|
|
{
|
|
n = abs(n);
|
|
- return (n % YAFFS_NOBJECT_BUCKETS);
|
|
+ return n % YAFFS_NOBJECT_BUCKETS;
|
|
}
|
|
|
|
/*
|
|
- * Access functions to useful fake objects
|
|
+ * Access functions to useful fake objects.
|
|
+ * Note that root might have a presence in NAND if permissions are set.
|
|
*/
|
|
|
|
-yaffs_Object *yaffs_Root(yaffs_Device * dev)
|
|
+yaffs_Object *yaffs_Root(yaffs_Device *dev)
|
|
{
|
|
return dev->rootDir;
|
|
}
|
|
|
|
-yaffs_Object *yaffs_LostNFound(yaffs_Device * dev)
|
|
+yaffs_Object *yaffs_LostNFound(yaffs_Device *dev)
|
|
{
|
|
return dev->lostNFoundDir;
|
|
}
|
|
@@ -877,7 +882,7 @@ yaffs_Object *yaffs_LostNFound(yaffs_Dev
|
|
* Erased NAND checking functions
|
|
*/
|
|
|
|
-int yaffs_CheckFF(__u8 * buffer, int nBytes)
|
|
+int yaffs_CheckFF(__u8 *buffer, int nBytes)
|
|
{
|
|
/* Horrible, slow implementation */
|
|
while (nBytes--) {
|
|
@@ -889,9 +894,8 @@ int yaffs_CheckFF(__u8 * buffer, int nBy
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}
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static int yaffs_CheckChunkErased(struct yaffs_DeviceStruct *dev,
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- int chunkInNAND)
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+ int chunkInNAND)
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{
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-
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int retval = YAFFS_OK;
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__u8 *data = yaffs_GetTempBuffer(dev, __LINE__);
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yaffs_ExtendedTags tags;
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@@ -899,10 +903,9 @@ static int yaffs_CheckChunkErased(struct
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result = yaffs_ReadChunkWithTagsFromNAND(dev, chunkInNAND, data, &tags);
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- if(tags.eccResult > YAFFS_ECC_RESULT_NO_ERROR)
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+ if (tags.eccResult > YAFFS_ECC_RESULT_NO_ERROR)
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retval = YAFFS_FAIL;
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-
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if (!yaffs_CheckFF(data, dev->nDataBytesPerChunk) || tags.chunkUsed) {
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T(YAFFS_TRACE_NANDACCESS,
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(TSTR("Chunk %d not erased" TENDSTR), chunkInNAND));
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@@ -915,11 +918,10 @@ static int yaffs_CheckChunkErased(struct
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}
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-
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static int yaffs_WriteNewChunkWithTagsToNAND(struct yaffs_DeviceStruct *dev,
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- const __u8 * data,
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- yaffs_ExtendedTags * tags,
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- int useReserve)
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+ const __u8 *data,
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+ yaffs_ExtendedTags *tags,
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+ int useReserve)
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{
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int attempts = 0;
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int writeOk = 0;
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@@ -972,7 +974,7 @@ static int yaffs_WriteNewChunkWithTagsTo
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erasedOk = yaffs_CheckChunkErased(dev, chunk);
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if (erasedOk != YAFFS_OK) {
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T(YAFFS_TRACE_ERROR,
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- (TSTR ("**>> yaffs chunk %d was not erased"
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+ (TSTR("**>> yaffs chunk %d was not erased"
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TENDSTR), chunk));
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/* try another chunk */
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@@ -992,7 +994,11 @@ static int yaffs_WriteNewChunkWithTagsTo
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/* Copy the data into the robustification buffer */
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yaffs_HandleWriteChunkOk(dev, chunk, data, tags);
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- } while (writeOk != YAFFS_OK && attempts < yaffs_wr_attempts);
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+ } while (writeOk != YAFFS_OK &&
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+ (yaffs_wr_attempts <= 0 || attempts <= yaffs_wr_attempts));
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+
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+ if (!writeOk)
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+ chunk = -1;
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if (attempts > 1) {
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T(YAFFS_TRACE_ERROR,
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@@ -1009,13 +1015,35 @@ static int yaffs_WriteNewChunkWithTagsTo
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* Block retiring for handling a broken block.
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*/
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-static void yaffs_RetireBlock(yaffs_Device * dev, int blockInNAND)
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+static void yaffs_RetireBlock(yaffs_Device *dev, int blockInNAND)
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{
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yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, blockInNAND);
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yaffs_InvalidateCheckpoint(dev);
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- yaffs_MarkBlockBad(dev, blockInNAND);
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+ if (yaffs_MarkBlockBad(dev, blockInNAND) != YAFFS_OK) {
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+ if (yaffs_EraseBlockInNAND(dev, blockInNAND) != YAFFS_OK) {
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+ T(YAFFS_TRACE_ALWAYS, (TSTR(
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+ "yaffs: Failed to mark bad and erase block %d"
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+ TENDSTR), blockInNAND));
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+ } else {
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+ yaffs_ExtendedTags tags;
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+ int chunkId = blockInNAND * dev->nChunksPerBlock;
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+
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+ __u8 *buffer = yaffs_GetTempBuffer(dev, __LINE__);
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+
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+ memset(buffer, 0xff, dev->nDataBytesPerChunk);
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+ yaffs_InitialiseTags(&tags);
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+ tags.sequenceNumber = YAFFS_SEQUENCE_BAD_BLOCK;
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+ if (dev->writeChunkWithTagsToNAND(dev, chunkId -
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+ dev->chunkOffset, buffer, &tags) != YAFFS_OK)
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+ T(YAFFS_TRACE_ALWAYS, (TSTR("yaffs: Failed to "
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+ TCONT("write bad block marker to block %d")
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+ TENDSTR), blockInNAND));
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+
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+ yaffs_ReleaseTempBuffer(dev, buffer, __LINE__);
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+ }
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+ }
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bi->blockState = YAFFS_BLOCK_STATE_DEAD;
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bi->gcPrioritise = 0;
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@@ -1029,49 +1057,45 @@ static void yaffs_RetireBlock(yaffs_Devi
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*
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*/
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-static void yaffs_HandleWriteChunkOk(yaffs_Device * dev, int chunkInNAND,
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- const __u8 * data,
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- const yaffs_ExtendedTags * tags)
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+static void yaffs_HandleWriteChunkOk(yaffs_Device *dev, int chunkInNAND,
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+ const __u8 *data,
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+ const yaffs_ExtendedTags *tags)
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{
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}
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-static void yaffs_HandleUpdateChunk(yaffs_Device * dev, int chunkInNAND,
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- const yaffs_ExtendedTags * tags)
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+static void yaffs_HandleUpdateChunk(yaffs_Device *dev, int chunkInNAND,
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+ const yaffs_ExtendedTags *tags)
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{
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}
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void yaffs_HandleChunkError(yaffs_Device *dev, yaffs_BlockInfo *bi)
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{
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- if(!bi->gcPrioritise){
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+ if (!bi->gcPrioritise) {
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bi->gcPrioritise = 1;
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dev->hasPendingPrioritisedGCs = 1;
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- bi->chunkErrorStrikes ++;
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+ bi->chunkErrorStrikes++;
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- if(bi->chunkErrorStrikes > 3){
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+ if (bi->chunkErrorStrikes > 3) {
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bi->needsRetiring = 1; /* Too many stikes, so retire this */
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T(YAFFS_TRACE_ALWAYS, (TSTR("yaffs: Block struck out" TENDSTR)));
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}
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-
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}
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}
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-static void yaffs_HandleWriteChunkError(yaffs_Device * dev, int chunkInNAND, int erasedOk)
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+static void yaffs_HandleWriteChunkError(yaffs_Device *dev, int chunkInNAND,
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+ int erasedOk)
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{
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-
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int blockInNAND = chunkInNAND / dev->nChunksPerBlock;
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yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, blockInNAND);
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- yaffs_HandleChunkError(dev,bi);
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+ yaffs_HandleChunkError(dev, bi);
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-
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- if(erasedOk ) {
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+ if (erasedOk) {
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/* Was an actual write failure, so mark the block for retirement */
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bi->needsRetiring = 1;
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T(YAFFS_TRACE_ERROR | YAFFS_TRACE_BAD_BLOCKS,
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(TSTR("**>> Block %d needs retiring" TENDSTR), blockInNAND));
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-
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-
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}
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/* Delete the chunk */
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@@ -1081,12 +1105,12 @@ static void yaffs_HandleWriteChunkError(
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/*---------------- Name handling functions ------------*/
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-static __u16 yaffs_CalcNameSum(const YCHAR * name)
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+static __u16 yaffs_CalcNameSum(const YCHAR *name)
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{
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__u16 sum = 0;
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__u16 i = 1;
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- YUCHAR *bname = (YUCHAR *) name;
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+ const YUCHAR *bname = (const YUCHAR *) name;
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if (bname) {
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while ((*bname) && (i < (YAFFS_MAX_NAME_LENGTH/2))) {
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@@ -1102,14 +1126,14 @@ static __u16 yaffs_CalcNameSum(const YCH
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return sum;
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}
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-static void yaffs_SetObjectName(yaffs_Object * obj, const YCHAR * name)
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+static void yaffs_SetObjectName(yaffs_Object *obj, const YCHAR *name)
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{
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#ifdef CONFIG_YAFFS_SHORT_NAMES_IN_RAM
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- if (name && yaffs_strlen(name) <= YAFFS_SHORT_NAME_LENGTH) {
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+ memset(obj->shortName, 0, sizeof(YCHAR) * (YAFFS_SHORT_NAME_LENGTH+1));
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+ if (name && yaffs_strlen(name) <= YAFFS_SHORT_NAME_LENGTH)
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yaffs_strcpy(obj->shortName, name);
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- } else {
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+ else
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obj->shortName[0] = _Y('\0');
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- }
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#endif
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obj->sum = yaffs_CalcNameSum(name);
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}
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@@ -1126,7 +1150,7 @@ static void yaffs_SetObjectName(yaffs_Ob
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* Don't use this function directly
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*/
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-static int yaffs_CreateTnodes(yaffs_Device * dev, int nTnodes)
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+static int yaffs_CreateTnodes(yaffs_Device *dev, int nTnodes)
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{
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int i;
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int tnodeSize;
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@@ -1143,6 +1167,9 @@ static int yaffs_CreateTnodes(yaffs_Devi
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* Must be a multiple of 32-bits */
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tnodeSize = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8;
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+ if (tnodeSize < sizeof(yaffs_Tnode))
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+ tnodeSize = sizeof(yaffs_Tnode);
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+
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/* make these things */
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newTnodes = YMALLOC(nTnodes * tnodeSize);
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@@ -1150,7 +1177,7 @@ static int yaffs_CreateTnodes(yaffs_Devi
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if (!newTnodes) {
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T(YAFFS_TRACE_ERROR,
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- (TSTR("yaffs: Could not allocate Tnodes" TENDSTR)));
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+ (TSTR("yaffs: Could not allocate Tnodes" TENDSTR)));
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return YAFFS_FAIL;
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}
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@@ -1170,7 +1197,7 @@ static int yaffs_CreateTnodes(yaffs_Devi
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dev->freeTnodes = newTnodes;
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#else
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/* New hookup for wide tnodes */
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- for(i = 0; i < nTnodes -1; i++) {
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+ for (i = 0; i < nTnodes - 1; i++) {
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curr = (yaffs_Tnode *) &mem[i * tnodeSize];
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next = (yaffs_Tnode *) &mem[(i+1) * tnodeSize];
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curr->internal[0] = next;
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@@ -1197,7 +1224,6 @@ static int yaffs_CreateTnodes(yaffs_Devi
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(TSTR
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("yaffs: Could not add tnodes to management list" TENDSTR)));
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return YAFFS_FAIL;
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-
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} else {
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tnl->tnodes = newTnodes;
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tnl->next = dev->allocatedTnodeList;
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@@ -1211,14 +1237,13 @@ static int yaffs_CreateTnodes(yaffs_Devi
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/* GetTnode gets us a clean tnode. Tries to make allocate more if we run out */
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-static yaffs_Tnode *yaffs_GetTnodeRaw(yaffs_Device * dev)
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+static yaffs_Tnode *yaffs_GetTnodeRaw(yaffs_Device *dev)
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{
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yaffs_Tnode *tn = NULL;
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/* If there are none left make more */
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- if (!dev->freeTnodes) {
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+ if (!dev->freeTnodes)
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yaffs_CreateTnodes(dev, YAFFS_ALLOCATION_NTNODES);
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- }
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if (dev->freeTnodes) {
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tn = dev->freeTnodes;
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@@ -1233,21 +1258,27 @@ static yaffs_Tnode *yaffs_GetTnodeRaw(ya
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dev->nFreeTnodes--;
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}
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+ dev->nCheckpointBlocksRequired = 0; /* force recalculation*/
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+
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return tn;
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}
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-static yaffs_Tnode *yaffs_GetTnode(yaffs_Device * dev)
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+static yaffs_Tnode *yaffs_GetTnode(yaffs_Device *dev)
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{
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yaffs_Tnode *tn = yaffs_GetTnodeRaw(dev);
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+ int tnodeSize = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8;
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- if(tn)
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- memset(tn, 0, (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8);
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+ if (tnodeSize < sizeof(yaffs_Tnode))
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+ tnodeSize = sizeof(yaffs_Tnode);
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+
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+ if (tn)
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+ memset(tn, 0, tnodeSize);
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return tn;
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}
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/* FreeTnode frees up a tnode and puts it back on the free list */
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-static void yaffs_FreeTnode(yaffs_Device * dev, yaffs_Tnode * tn)
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+static void yaffs_FreeTnode(yaffs_Device *dev, yaffs_Tnode *tn)
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{
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if (tn) {
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#ifdef CONFIG_YAFFS_TNODE_LIST_DEBUG
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@@ -1262,9 +1293,10 @@ static void yaffs_FreeTnode(yaffs_Device
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dev->freeTnodes = tn;
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dev->nFreeTnodes++;
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}
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+ dev->nCheckpointBlocksRequired = 0; /* force recalculation*/
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}
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-static void yaffs_DeinitialiseTnodes(yaffs_Device * dev)
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+static void yaffs_DeinitialiseTnodes(yaffs_Device *dev)
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{
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/* Free the list of allocated tnodes */
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yaffs_TnodeList *tmp;
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@@ -1282,71 +1314,72 @@ static void yaffs_DeinitialiseTnodes(yaf
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dev->nFreeTnodes = 0;
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}
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-static void yaffs_InitialiseTnodes(yaffs_Device * dev)
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+static void yaffs_InitialiseTnodes(yaffs_Device *dev)
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{
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dev->allocatedTnodeList = NULL;
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dev->freeTnodes = NULL;
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dev->nFreeTnodes = 0;
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dev->nTnodesCreated = 0;
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-
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}
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-void yaffs_PutLevel0Tnode(yaffs_Device *dev, yaffs_Tnode *tn, unsigned pos, unsigned val)
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+void yaffs_PutLevel0Tnode(yaffs_Device *dev, yaffs_Tnode *tn, unsigned pos,
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+ unsigned val)
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{
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- __u32 *map = (__u32 *)tn;
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- __u32 bitInMap;
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- __u32 bitInWord;
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- __u32 wordInMap;
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- __u32 mask;
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+ __u32 *map = (__u32 *)tn;
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+ __u32 bitInMap;
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+ __u32 bitInWord;
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+ __u32 wordInMap;
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+ __u32 mask;
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- pos &= YAFFS_TNODES_LEVEL0_MASK;
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- val >>= dev->chunkGroupBits;
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+ pos &= YAFFS_TNODES_LEVEL0_MASK;
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+ val >>= dev->chunkGroupBits;
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- bitInMap = pos * dev->tnodeWidth;
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- wordInMap = bitInMap /32;
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- bitInWord = bitInMap & (32 -1);
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+ bitInMap = pos * dev->tnodeWidth;
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+ wordInMap = bitInMap / 32;
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+ bitInWord = bitInMap & (32 - 1);
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- mask = dev->tnodeMask << bitInWord;
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+ mask = dev->tnodeMask << bitInWord;
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- map[wordInMap] &= ~mask;
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- map[wordInMap] |= (mask & (val << bitInWord));
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+ map[wordInMap] &= ~mask;
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+ map[wordInMap] |= (mask & (val << bitInWord));
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- if(dev->tnodeWidth > (32-bitInWord)) {
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- bitInWord = (32 - bitInWord);
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- wordInMap++;;
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- mask = dev->tnodeMask >> (/*dev->tnodeWidth -*/ bitInWord);
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- map[wordInMap] &= ~mask;
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- map[wordInMap] |= (mask & (val >> bitInWord));
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- }
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+ if (dev->tnodeWidth > (32 - bitInWord)) {
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+ bitInWord = (32 - bitInWord);
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+ wordInMap++;;
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+ mask = dev->tnodeMask >> (/*dev->tnodeWidth -*/ bitInWord);
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+ map[wordInMap] &= ~mask;
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+ map[wordInMap] |= (mask & (val >> bitInWord));
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+ }
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}
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|
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-static __u32 yaffs_GetChunkGroupBase(yaffs_Device *dev, yaffs_Tnode *tn, unsigned pos)
|
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+static __u32 yaffs_GetChunkGroupBase(yaffs_Device *dev, yaffs_Tnode *tn,
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+ unsigned pos)
|
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{
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- __u32 *map = (__u32 *)tn;
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- __u32 bitInMap;
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- __u32 bitInWord;
|
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- __u32 wordInMap;
|
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- __u32 val;
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+ __u32 *map = (__u32 *)tn;
|
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+ __u32 bitInMap;
|
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+ __u32 bitInWord;
|
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+ __u32 wordInMap;
|
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+ __u32 val;
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|
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- pos &= YAFFS_TNODES_LEVEL0_MASK;
|
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+ pos &= YAFFS_TNODES_LEVEL0_MASK;
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|
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- bitInMap = pos * dev->tnodeWidth;
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- wordInMap = bitInMap /32;
|
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- bitInWord = bitInMap & (32 -1);
|
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+ bitInMap = pos * dev->tnodeWidth;
|
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+ wordInMap = bitInMap / 32;
|
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+ bitInWord = bitInMap & (32 - 1);
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|
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- val = map[wordInMap] >> bitInWord;
|
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+ val = map[wordInMap] >> bitInWord;
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|
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- if(dev->tnodeWidth > (32-bitInWord)) {
|
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- bitInWord = (32 - bitInWord);
|
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- wordInMap++;;
|
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- val |= (map[wordInMap] << bitInWord);
|
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- }
|
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+ if (dev->tnodeWidth > (32 - bitInWord)) {
|
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+ bitInWord = (32 - bitInWord);
|
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+ wordInMap++;;
|
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+ val |= (map[wordInMap] << bitInWord);
|
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+ }
|
|
|
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- val &= dev->tnodeMask;
|
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- val <<= dev->chunkGroupBits;
|
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+ val &= dev->tnodeMask;
|
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+ val <<= dev->chunkGroupBits;
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|
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- return val;
|
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+ return val;
|
|
}
|
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|
|
/* ------------------- End of individual tnode manipulation -----------------*/
|
|
@@ -1357,24 +1390,21 @@ static __u32 yaffs_GetChunkGroupBase(yaf
|
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*/
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|
|
|
/* FindLevel0Tnode finds the level 0 tnode, if one exists. */
|
|
-static yaffs_Tnode *yaffs_FindLevel0Tnode(yaffs_Device * dev,
|
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- yaffs_FileStructure * fStruct,
|
|
- __u32 chunkId)
|
|
+static yaffs_Tnode *yaffs_FindLevel0Tnode(yaffs_Device *dev,
|
|
+ yaffs_FileStructure *fStruct,
|
|
+ __u32 chunkId)
|
|
{
|
|
-
|
|
yaffs_Tnode *tn = fStruct->top;
|
|
__u32 i;
|
|
int requiredTallness;
|
|
int level = fStruct->topLevel;
|
|
|
|
/* Check sane level and chunk Id */
|
|
- if (level < 0 || level > YAFFS_TNODES_MAX_LEVEL) {
|
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+ if (level < 0 || level > YAFFS_TNODES_MAX_LEVEL)
|
|
return NULL;
|
|
- }
|
|
|
|
- if (chunkId > YAFFS_MAX_CHUNK_ID) {
|
|
+ if (chunkId > YAFFS_MAX_CHUNK_ID)
|
|
return NULL;
|
|
- }
|
|
|
|
/* First check we're tall enough (ie enough topLevel) */
|
|
|
|
@@ -1385,22 +1415,17 @@ static yaffs_Tnode *yaffs_FindLevel0Tnod
|
|
requiredTallness++;
|
|
}
|
|
|
|
- if (requiredTallness > fStruct->topLevel) {
|
|
- /* Not tall enough, so we can't find it, return NULL. */
|
|
- return NULL;
|
|
- }
|
|
+ if (requiredTallness > fStruct->topLevel)
|
|
+ return NULL; /* Not tall enough, so we can't find it */
|
|
|
|
/* 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];
|
|
+ tn = tn->internal[(chunkId >>
|
|
+ (YAFFS_TNODES_LEVEL0_BITS +
|
|
+ (level - 1) *
|
|
+ YAFFS_TNODES_INTERNAL_BITS)) &
|
|
+ YAFFS_TNODES_INTERNAL_MASK];
|
|
level--;
|
|
-
|
|
}
|
|
|
|
return tn;
|
|
@@ -1417,12 +1442,11 @@ static yaffs_Tnode *yaffs_FindLevel0Tnod
|
|
* be plugged into the ttree.
|
|
*/
|
|
|
|
-static yaffs_Tnode *yaffs_AddOrFindLevel0Tnode(yaffs_Device * dev,
|
|
- yaffs_FileStructure * fStruct,
|
|
- __u32 chunkId,
|
|
- yaffs_Tnode *passedTn)
|
|
+static yaffs_Tnode *yaffs_AddOrFindLevel0Tnode(yaffs_Device *dev,
|
|
+ yaffs_FileStructure *fStruct,
|
|
+ __u32 chunkId,
|
|
+ yaffs_Tnode *passedTn)
|
|
{
|
|
-
|
|
int requiredTallness;
|
|
int i;
|
|
int l;
|
|
@@ -1432,13 +1456,11 @@ static yaffs_Tnode *yaffs_AddOrFindLevel
|
|
|
|
|
|
/* Check sane level and page Id */
|
|
- if (fStruct->topLevel < 0 || fStruct->topLevel > YAFFS_TNODES_MAX_LEVEL) {
|
|
+ if (fStruct->topLevel < 0 || fStruct->topLevel > YAFFS_TNODES_MAX_LEVEL)
|
|
return NULL;
|
|
- }
|
|
|
|
- if (chunkId > YAFFS_MAX_CHUNK_ID) {
|
|
+ if (chunkId > YAFFS_MAX_CHUNK_ID)
|
|
return NULL;
|
|
- }
|
|
|
|
/* First check we're tall enough (ie enough topLevel) */
|
|
|
|
@@ -1451,7 +1473,7 @@ static yaffs_Tnode *yaffs_AddOrFindLevel
|
|
|
|
|
|
if (requiredTallness > fStruct->topLevel) {
|
|
- /* Not tall enough,gotta make the tree taller */
|
|
+ /* Not tall enough, gotta make the tree taller */
|
|
for (i = fStruct->topLevel; i < requiredTallness; i++) {
|
|
|
|
tn = yaffs_GetTnode(dev);
|
|
@@ -1473,27 +1495,27 @@ static yaffs_Tnode *yaffs_AddOrFindLevel
|
|
l = fStruct->topLevel;
|
|
tn = fStruct->top;
|
|
|
|
- if(l > 0) {
|
|
+ if (l > 0) {
|
|
while (l > 0 && tn) {
|
|
x = (chunkId >>
|
|
- ( YAFFS_TNODES_LEVEL0_BITS +
|
|
+ (YAFFS_TNODES_LEVEL0_BITS +
|
|
(l - 1) * YAFFS_TNODES_INTERNAL_BITS)) &
|
|
YAFFS_TNODES_INTERNAL_MASK;
|
|
|
|
|
|
- if((l>1) && !tn->internal[x]){
|
|
+ if ((l > 1) && !tn->internal[x]) {
|
|
/* Add missing non-level-zero tnode */
|
|
tn->internal[x] = yaffs_GetTnode(dev);
|
|
|
|
- } else if(l == 1) {
|
|
+ } else if (l == 1) {
|
|
/* Looking from level 1 at level 0 */
|
|
- if (passedTn) {
|
|
+ if (passedTn) {
|
|
/* If we already have one, then release it.*/
|
|
- if(tn->internal[x])
|
|
- yaffs_FreeTnode(dev,tn->internal[x]);
|
|
+ if (tn->internal[x])
|
|
+ yaffs_FreeTnode(dev, tn->internal[x]);
|
|
tn->internal[x] = passedTn;
|
|
|
|
- } else if(!tn->internal[x]) {
|
|
+ } else if (!tn->internal[x]) {
|
|
/* Don't have one, none passed in */
|
|
tn->internal[x] = yaffs_GetTnode(dev);
|
|
}
|
|
@@ -1504,31 +1526,29 @@ static yaffs_Tnode *yaffs_AddOrFindLevel
|
|
}
|
|
} else {
|
|
/* top is level 0 */
|
|
- if(passedTn) {
|
|
- memcpy(tn,passedTn,(dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8);
|
|
- yaffs_FreeTnode(dev,passedTn);
|
|
+ if (passedTn) {
|
|
+ memcpy(tn, passedTn, (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8);
|
|
+ yaffs_FreeTnode(dev, passedTn);
|
|
}
|
|
}
|
|
|
|
return tn;
|
|
}
|
|
|
|
-static int yaffs_FindChunkInGroup(yaffs_Device * dev, int theChunk,
|
|
- yaffs_ExtendedTags * tags, int objectId,
|
|
- int chunkInInode)
|
|
+static int yaffs_FindChunkInGroup(yaffs_Device *dev, int theChunk,
|
|
+ yaffs_ExtendedTags *tags, int objectId,
|
|
+ int chunkInInode)
|
|
{
|
|
int j;
|
|
|
|
for (j = 0; theChunk && j < dev->chunkGroupSize; j++) {
|
|
- if (yaffs_CheckChunkBit
|
|
- (dev, theChunk / dev->nChunksPerBlock,
|
|
- theChunk % dev->nChunksPerBlock)) {
|
|
+ if (yaffs_CheckChunkBit(dev, theChunk / dev->nChunksPerBlock,
|
|
+ theChunk % dev->nChunksPerBlock)) {
|
|
yaffs_ReadChunkWithTagsFromNAND(dev, theChunk, NULL,
|
|
tags);
|
|
if (yaffs_TagsMatch(tags, objectId, chunkInInode)) {
|
|
/* found it; */
|
|
return theChunk;
|
|
-
|
|
}
|
|
}
|
|
theChunk++;
|
|
@@ -1543,7 +1563,7 @@ static int yaffs_FindChunkInGroup(yaffs_
|
|
* Returns 0 if it stopped early due to hitting the limit and the delete is incomplete.
|
|
*/
|
|
|
|
-static int yaffs_DeleteWorker(yaffs_Object * in, yaffs_Tnode * tn, __u32 level,
|
|
+static int yaffs_DeleteWorker(yaffs_Object *in, yaffs_Tnode *tn, __u32 level,
|
|
int chunkOffset, int *limit)
|
|
{
|
|
int i;
|
|
@@ -1557,7 +1577,6 @@ static int yaffs_DeleteWorker(yaffs_Obje
|
|
|
|
if (tn) {
|
|
if (level > 0) {
|
|
-
|
|
for (i = YAFFS_NTNODES_INTERNAL - 1; allDone && i >= 0;
|
|
i--) {
|
|
if (tn->internal[i]) {
|
|
@@ -1565,17 +1584,17 @@ static int yaffs_DeleteWorker(yaffs_Obje
|
|
allDone = 0;
|
|
} else {
|
|
allDone =
|
|
- yaffs_DeleteWorker(in,
|
|
- tn->
|
|
- internal
|
|
- [i],
|
|
- level -
|
|
- 1,
|
|
- (chunkOffset
|
|
+ yaffs_DeleteWorker(in,
|
|
+ tn->
|
|
+ internal
|
|
+ [i],
|
|
+ level -
|
|
+ 1,
|
|
+ (chunkOffset
|
|
<<
|
|
YAFFS_TNODES_INTERNAL_BITS)
|
|
- + i,
|
|
- limit);
|
|
+ + i,
|
|
+ limit);
|
|
}
|
|
if (allDone) {
|
|
yaffs_FreeTnode(dev,
|
|
@@ -1584,27 +1603,25 @@ static int yaffs_DeleteWorker(yaffs_Obje
|
|
tn->internal[i] = NULL;
|
|
}
|
|
}
|
|
-
|
|
}
|
|
return (allDone) ? 1 : 0;
|
|
} else if (level == 0) {
|
|
int hitLimit = 0;
|
|
|
|
for (i = YAFFS_NTNODES_LEVEL0 - 1; i >= 0 && !hitLimit;
|
|
- i--) {
|
|
- theChunk = yaffs_GetChunkGroupBase(dev,tn,i);
|
|
+ i--) {
|
|
+ theChunk = yaffs_GetChunkGroupBase(dev, tn, i);
|
|
if (theChunk) {
|
|
|
|
- chunkInInode =
|
|
- (chunkOffset <<
|
|
- YAFFS_TNODES_LEVEL0_BITS) + i;
|
|
+ chunkInInode = (chunkOffset <<
|
|
+ YAFFS_TNODES_LEVEL0_BITS) + i;
|
|
|
|
foundChunk =
|
|
- yaffs_FindChunkInGroup(dev,
|
|
- theChunk,
|
|
- &tags,
|
|
- in->objectId,
|
|
- chunkInInode);
|
|
+ yaffs_FindChunkInGroup(dev,
|
|
+ theChunk,
|
|
+ &tags,
|
|
+ in->objectId,
|
|
+ chunkInInode);
|
|
|
|
if (foundChunk > 0) {
|
|
yaffs_DeleteChunk(dev,
|
|
@@ -1613,14 +1630,13 @@ static int yaffs_DeleteWorker(yaffs_Obje
|
|
in->nDataChunks--;
|
|
if (limit) {
|
|
*limit = *limit - 1;
|
|
- if (*limit <= 0) {
|
|
+ if (*limit <= 0)
|
|
hitLimit = 1;
|
|
- }
|
|
}
|
|
|
|
}
|
|
|
|
- yaffs_PutLevel0Tnode(dev,tn,i,0);
|
|
+ yaffs_PutLevel0Tnode(dev, tn, i, 0);
|
|
}
|
|
|
|
}
|
|
@@ -1634,9 +1650,8 @@ static int yaffs_DeleteWorker(yaffs_Obje
|
|
|
|
}
|
|
|
|
-static void yaffs_SoftDeleteChunk(yaffs_Device * dev, int chunk)
|
|
+static void yaffs_SoftDeleteChunk(yaffs_Device *dev, int chunk)
|
|
{
|
|
-
|
|
yaffs_BlockInfo *theBlock;
|
|
|
|
T(YAFFS_TRACE_DELETION, (TSTR("soft delete chunk %d" TENDSTR), chunk));
|
|
@@ -1654,7 +1669,7 @@ static void yaffs_SoftDeleteChunk(yaffs_
|
|
* Thus, essentially this is the same as DeleteWorker except that the chunks are soft deleted.
|
|
*/
|
|
|
|
-static int yaffs_SoftDeleteWorker(yaffs_Object * in, yaffs_Tnode * tn,
|
|
+static int yaffs_SoftDeleteWorker(yaffs_Object *in, yaffs_Tnode *tn,
|
|
__u32 level, int chunkOffset)
|
|
{
|
|
int i;
|
|
@@ -1691,14 +1706,14 @@ static int yaffs_SoftDeleteWorker(yaffs_
|
|
} else if (level == 0) {
|
|
|
|
for (i = YAFFS_NTNODES_LEVEL0 - 1; i >= 0; i--) {
|
|
- theChunk = yaffs_GetChunkGroupBase(dev,tn,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_PutLevel0Tnode(dev,tn,i,0);
|
|
+ yaffs_PutLevel0Tnode(dev, tn, i, 0);
|
|
}
|
|
|
|
}
|
|
@@ -1712,7 +1727,7 @@ static int yaffs_SoftDeleteWorker(yaffs_
|
|
|
|
}
|
|
|
|
-static void yaffs_SoftDeleteFile(yaffs_Object * obj)
|
|
+static void yaffs_SoftDeleteFile(yaffs_Object *obj)
|
|
{
|
|
if (obj->deleted &&
|
|
obj->variantType == YAFFS_OBJECT_TYPE_FILE && !obj->softDeleted) {
|
|
@@ -1746,8 +1761,8 @@ static void yaffs_SoftDeleteFile(yaffs_O
|
|
* by a special case.
|
|
*/
|
|
|
|
-static yaffs_Tnode *yaffs_PruneWorker(yaffs_Device * dev, yaffs_Tnode * tn,
|
|
- __u32 level, int del0)
|
|
+static yaffs_Tnode *yaffs_PruneWorker(yaffs_Device *dev, yaffs_Tnode *tn,
|
|
+ __u32 level, int del0)
|
|
{
|
|
int i;
|
|
int hasData;
|
|
@@ -1763,9 +1778,8 @@ static yaffs_Tnode *yaffs_PruneWorker(ya
|
|
(i == 0) ? del0 : 1);
|
|
}
|
|
|
|
- if (tn->internal[i]) {
|
|
+ if (tn->internal[i])
|
|
hasData++;
|
|
- }
|
|
}
|
|
|
|
if (hasData == 0 && del0) {
|
|
@@ -1781,8 +1795,8 @@ static yaffs_Tnode *yaffs_PruneWorker(ya
|
|
|
|
}
|
|
|
|
-static int yaffs_PruneFileStructure(yaffs_Device * dev,
|
|
- yaffs_FileStructure * fStruct)
|
|
+static int yaffs_PruneFileStructure(yaffs_Device *dev,
|
|
+ yaffs_FileStructure *fStruct)
|
|
{
|
|
int i;
|
|
int hasData;
|
|
@@ -1805,9 +1819,8 @@ static int yaffs_PruneFileStructure(yaff
|
|
|
|
hasData = 0;
|
|
for (i = 1; i < YAFFS_NTNODES_INTERNAL; i++) {
|
|
- if (tn->internal[i]) {
|
|
+ if (tn->internal[i])
|
|
hasData++;
|
|
- }
|
|
}
|
|
|
|
if (!hasData) {
|
|
@@ -1828,7 +1841,7 @@ static int yaffs_PruneFileStructure(yaff
|
|
/* yaffs_CreateFreeObjects creates a bunch more objects and
|
|
* adds them to the object free list.
|
|
*/
|
|
-static int yaffs_CreateFreeObjects(yaffs_Device * dev, int nObjects)
|
|
+static int yaffs_CreateFreeObjects(yaffs_Device *dev, int nObjects)
|
|
{
|
|
int i;
|
|
yaffs_Object *newObjects;
|
|
@@ -1842,9 +1855,9 @@ static int yaffs_CreateFreeObjects(yaffs
|
|
list = YMALLOC(sizeof(yaffs_ObjectList));
|
|
|
|
if (!newObjects || !list) {
|
|
- if(newObjects)
|
|
+ if (newObjects)
|
|
YFREE(newObjects);
|
|
- if(list)
|
|
+ if (list)
|
|
YFREE(list);
|
|
T(YAFFS_TRACE_ALLOCATE,
|
|
(TSTR("yaffs: Could not allocate more objects" TENDSTR)));
|
|
@@ -1854,7 +1867,7 @@ static int yaffs_CreateFreeObjects(yaffs
|
|
/* Hook them into the free list */
|
|
for (i = 0; i < nObjects - 1; i++) {
|
|
newObjects[i].siblings.next =
|
|
- (struct list_head *)(&newObjects[i + 1]);
|
|
+ (struct ylist_head *)(&newObjects[i + 1]);
|
|
}
|
|
|
|
newObjects[nObjects - 1].siblings.next = (void *)dev->freeObjects;
|
|
@@ -1873,85 +1886,109 @@ static int yaffs_CreateFreeObjects(yaffs
|
|
|
|
|
|
/* AllocateEmptyObject gets us a clean Object. Tries to make allocate more if we run out */
|
|
-static yaffs_Object *yaffs_AllocateEmptyObject(yaffs_Device * dev)
|
|
+static yaffs_Object *yaffs_AllocateEmptyObject(yaffs_Device *dev)
|
|
{
|
|
yaffs_Object *tn = NULL;
|
|
|
|
+#ifdef VALGRIND_TEST
|
|
+ tn = YMALLOC(sizeof(yaffs_Object));
|
|
+#else
|
|
/* If there are none left make more */
|
|
- if (!dev->freeObjects) {
|
|
+ if (!dev->freeObjects)
|
|
yaffs_CreateFreeObjects(dev, YAFFS_ALLOCATION_NOBJECTS);
|
|
- }
|
|
|
|
if (dev->freeObjects) {
|
|
tn = dev->freeObjects;
|
|
dev->freeObjects =
|
|
- (yaffs_Object *) (dev->freeObjects->siblings.next);
|
|
+ (yaffs_Object *) (dev->freeObjects->siblings.next);
|
|
dev->nFreeObjects--;
|
|
-
|
|
+ }
|
|
+#endif
|
|
+ if (tn) {
|
|
/* Now sweeten it up... */
|
|
|
|
memset(tn, 0, sizeof(yaffs_Object));
|
|
+ tn->beingCreated = 1;
|
|
+
|
|
tn->myDev = dev;
|
|
- tn->chunkId = -1;
|
|
+ tn->hdrChunk = 0;
|
|
tn->variantType = YAFFS_OBJECT_TYPE_UNKNOWN;
|
|
- INIT_LIST_HEAD(&(tn->hardLinks));
|
|
- INIT_LIST_HEAD(&(tn->hashLink));
|
|
- INIT_LIST_HEAD(&tn->siblings);
|
|
+ YINIT_LIST_HEAD(&(tn->hardLinks));
|
|
+ YINIT_LIST_HEAD(&(tn->hashLink));
|
|
+ YINIT_LIST_HEAD(&tn->siblings);
|
|
+
|
|
+
|
|
+ /* Now make the directory sane */
|
|
+ if (dev->rootDir) {
|
|
+ tn->parent = dev->rootDir;
|
|
+ ylist_add(&(tn->siblings), &dev->rootDir->variant.directoryVariant.children);
|
|
+ }
|
|
|
|
/* 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) {
|
|
+ if (dev->lostNFoundDir)
|
|
yaffs_AddObjectToDirectory(dev->lostNFoundDir, tn);
|
|
- }
|
|
+
|
|
+ tn->beingCreated = 0;
|
|
}
|
|
|
|
+ dev->nCheckpointBlocksRequired = 0; /* force recalculation*/
|
|
+
|
|
return tn;
|
|
}
|
|
|
|
-static yaffs_Object *yaffs_CreateFakeDirectory(yaffs_Device * dev, int number,
|
|
+static yaffs_Object *yaffs_CreateFakeDirectory(yaffs_Device *dev, int number,
|
|
__u32 mode)
|
|
{
|
|
|
|
yaffs_Object *obj =
|
|
yaffs_CreateNewObject(dev, number, YAFFS_OBJECT_TYPE_DIRECTORY);
|
|
if (obj) {
|
|
- obj->fake = 1; /* it is fake so it has no NAND presence... */
|
|
+ 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->chunkId = 0; /* Not a valid chunk. */
|
|
+ obj->hdrChunk = 0; /* Not a valid chunk. */
|
|
}
|
|
|
|
return obj;
|
|
|
|
}
|
|
|
|
-static void yaffs_UnhashObject(yaffs_Object * tn)
|
|
+static void yaffs_UnhashObject(yaffs_Object *tn)
|
|
{
|
|
int bucket;
|
|
yaffs_Device *dev = tn->myDev;
|
|
|
|
/* If it is still linked into the bucket list, free from the list */
|
|
- if (!list_empty(&tn->hashLink)) {
|
|
- list_del_init(&tn->hashLink);
|
|
+ if (!ylist_empty(&tn->hashLink)) {
|
|
+ ylist_del_init(&tn->hashLink);
|
|
bucket = yaffs_HashFunction(tn->objectId);
|
|
dev->objectBucket[bucket].count--;
|
|
}
|
|
-
|
|
}
|
|
|
|
/* FreeObject frees up a Object and puts it back on the free list */
|
|
-static void yaffs_FreeObject(yaffs_Object * tn)
|
|
+static void yaffs_FreeObject(yaffs_Object *tn)
|
|
{
|
|
-
|
|
yaffs_Device *dev = tn->myDev;
|
|
|
|
-#ifdef __KERNEL__
|
|
+#ifdef __KERNEL__
|
|
+ T(YAFFS_TRACE_OS, (TSTR("FreeObject %p inode %p"TENDSTR), tn, tn->myInode));
|
|
+#endif
|
|
+
|
|
+ if (tn->parent)
|
|
+ YBUG();
|
|
+ if (!ylist_empty(&tn->siblings))
|
|
+ YBUG();
|
|
+
|
|
+
|
|
+#ifdef __KERNEL__
|
|
if (tn->myInode) {
|
|
/* We're still hooked up to a cached inode.
|
|
* Don't delete now, but mark for later deletion
|
|
@@ -1963,24 +2000,28 @@ static void yaffs_FreeObject(yaffs_Objec
|
|
|
|
yaffs_UnhashObject(tn);
|
|
|
|
+#ifdef VALGRIND_TEST
|
|
+ YFREE(tn);
|
|
+#else
|
|
/* Link into the free list. */
|
|
- tn->siblings.next = (struct list_head *)(dev->freeObjects);
|
|
+ tn->siblings.next = (struct ylist_head *)(dev->freeObjects);
|
|
dev->freeObjects = tn;
|
|
dev->nFreeObjects++;
|
|
+#endif
|
|
+ dev->nCheckpointBlocksRequired = 0; /* force recalculation*/
|
|
}
|
|
|
|
#ifdef __KERNEL__
|
|
|
|
-void yaffs_HandleDeferedFree(yaffs_Object * obj)
|
|
+void yaffs_HandleDeferedFree(yaffs_Object *obj)
|
|
{
|
|
- if (obj->deferedFree) {
|
|
+ if (obj->deferedFree)
|
|
yaffs_FreeObject(obj);
|
|
- }
|
|
}
|
|
|
|
#endif
|
|
|
|
-static void yaffs_DeinitialiseObjects(yaffs_Device * dev)
|
|
+static void yaffs_DeinitialiseObjects(yaffs_Device *dev)
|
|
{
|
|
/* Free the list of allocated Objects */
|
|
|
|
@@ -1998,7 +2039,7 @@ static void yaffs_DeinitialiseObjects(ya
|
|
dev->nFreeObjects = 0;
|
|
}
|
|
|
|
-static void yaffs_InitialiseObjects(yaffs_Device * dev)
|
|
+static void yaffs_InitialiseObjects(yaffs_Device *dev)
|
|
{
|
|
int i;
|
|
|
|
@@ -2007,15 +2048,14 @@ static void yaffs_InitialiseObjects(yaff
|
|
dev->nFreeObjects = 0;
|
|
|
|
for (i = 0; i < YAFFS_NOBJECT_BUCKETS; i++) {
|
|
- INIT_LIST_HEAD(&dev->objectBucket[i].list);
|
|
+ YINIT_LIST_HEAD(&dev->objectBucket[i].list);
|
|
dev->objectBucket[i].count = 0;
|
|
}
|
|
-
|
|
}
|
|
|
|
-static int yaffs_FindNiceObjectBucket(yaffs_Device * dev)
|
|
+static int yaffs_FindNiceObjectBucket(yaffs_Device *dev)
|
|
{
|
|
- static int x = 0;
|
|
+ static int x;
|
|
int i;
|
|
int l = 999;
|
|
int lowest = 999999;
|
|
@@ -2049,7 +2089,7 @@ static int yaffs_FindNiceObjectBucket(ya
|
|
return l;
|
|
}
|
|
|
|
-static int yaffs_CreateNewObjectNumber(yaffs_Device * dev)
|
|
+static int yaffs_CreateNewObjectNumber(yaffs_Device *dev)
|
|
{
|
|
int bucket = yaffs_FindNiceObjectBucket(dev);
|
|
|
|
@@ -2058,7 +2098,7 @@ static int yaffs_CreateNewObjectNumber(y
|
|
*/
|
|
|
|
int found = 0;
|
|
- struct list_head *i;
|
|
+ struct ylist_head *i;
|
|
|
|
__u32 n = (__u32) bucket;
|
|
|
|
@@ -2068,41 +2108,38 @@ static int yaffs_CreateNewObjectNumber(y
|
|
found = 1;
|
|
n += YAFFS_NOBJECT_BUCKETS;
|
|
if (1 || dev->objectBucket[bucket].count > 0) {
|
|
- list_for_each(i, &dev->objectBucket[bucket].list) {
|
|
+ ylist_for_each(i, &dev->objectBucket[bucket].list) {
|
|
/* If there is already one in the list */
|
|
- if (i
|
|
- && list_entry(i, yaffs_Object,
|
|
- hashLink)->objectId == n) {
|
|
+ if (i && ylist_entry(i, yaffs_Object,
|
|
+ hashLink)->objectId == n) {
|
|
found = 0;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
-
|
|
return n;
|
|
}
|
|
|
|
-static void yaffs_HashObject(yaffs_Object * in)
|
|
+static void yaffs_HashObject(yaffs_Object *in)
|
|
{
|
|
int bucket = yaffs_HashFunction(in->objectId);
|
|
yaffs_Device *dev = in->myDev;
|
|
|
|
- list_add(&in->hashLink, &dev->objectBucket[bucket].list);
|
|
+ ylist_add(&in->hashLink, &dev->objectBucket[bucket].list);
|
|
dev->objectBucket[bucket].count++;
|
|
-
|
|
}
|
|
|
|
-yaffs_Object *yaffs_FindObjectByNumber(yaffs_Device * dev, __u32 number)
|
|
+yaffs_Object *yaffs_FindObjectByNumber(yaffs_Device *dev, __u32 number)
|
|
{
|
|
int bucket = yaffs_HashFunction(number);
|
|
- struct list_head *i;
|
|
+ struct ylist_head *i;
|
|
yaffs_Object *in;
|
|
|
|
- list_for_each(i, &dev->objectBucket[bucket].list) {
|
|
+ ylist_for_each(i, &dev->objectBucket[bucket].list) {
|
|
/* Look if it is in the list */
|
|
if (i) {
|
|
- in = list_entry(i, yaffs_Object, hashLink);
|
|
+ in = ylist_entry(i, yaffs_Object, hashLink);
|
|
if (in->objectId == number) {
|
|
#ifdef __KERNEL__
|
|
/* Don't tell the VFS about this one if it is defered free */
|
|
@@ -2118,31 +2155,27 @@ yaffs_Object *yaffs_FindObjectByNumber(y
|
|
return NULL;
|
|
}
|
|
|
|
-yaffs_Object *yaffs_CreateNewObject(yaffs_Device * dev, int number,
|
|
+yaffs_Object *yaffs_CreateNewObject(yaffs_Device *dev, int number,
|
|
yaffs_ObjectType type)
|
|
{
|
|
-
|
|
yaffs_Object *theObject;
|
|
- yaffs_Tnode *tn;
|
|
+ yaffs_Tnode *tn = NULL;
|
|
|
|
- if (number < 0) {
|
|
+ if (number < 0)
|
|
number = yaffs_CreateNewObjectNumber(dev);
|
|
- }
|
|
|
|
theObject = yaffs_AllocateEmptyObject(dev);
|
|
- if(!theObject)
|
|
+ if (!theObject)
|
|
return NULL;
|
|
|
|
- if(type == YAFFS_OBJECT_TYPE_FILE){
|
|
+ if (type == YAFFS_OBJECT_TYPE_FILE) {
|
|
tn = yaffs_GetTnode(dev);
|
|
- if(!tn){
|
|
+ if (!tn) {
|
|
yaffs_FreeObject(theObject);
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
-
|
|
-
|
|
if (theObject) {
|
|
theObject->fake = 0;
|
|
theObject->renameAllowed = 1;
|
|
@@ -2171,8 +2204,8 @@ yaffs_Object *yaffs_CreateNewObject(yaff
|
|
theObject->variant.fileVariant.top = tn;
|
|
break;
|
|
case YAFFS_OBJECT_TYPE_DIRECTORY:
|
|
- INIT_LIST_HEAD(&theObject->variant.directoryVariant.
|
|
- children);
|
|
+ YINIT_LIST_HEAD(&theObject->variant.directoryVariant.
|
|
+ children);
|
|
break;
|
|
case YAFFS_OBJECT_TYPE_SYMLINK:
|
|
case YAFFS_OBJECT_TYPE_HARDLINK:
|
|
@@ -2188,32 +2221,30 @@ yaffs_Object *yaffs_CreateNewObject(yaff
|
|
return theObject;
|
|
}
|
|
|
|
-static yaffs_Object *yaffs_FindOrCreateObjectByNumber(yaffs_Device * dev,
|
|
+static yaffs_Object *yaffs_FindOrCreateObjectByNumber(yaffs_Device *dev,
|
|
int number,
|
|
yaffs_ObjectType type)
|
|
{
|
|
yaffs_Object *theObject = NULL;
|
|
|
|
- if (number > 0) {
|
|
+ if (number > 0)
|
|
theObject = yaffs_FindObjectByNumber(dev, number);
|
|
- }
|
|
|
|
- if (!theObject) {
|
|
+ if (!theObject)
|
|
theObject = yaffs_CreateNewObject(dev, number, type);
|
|
- }
|
|
|
|
return theObject;
|
|
|
|
}
|
|
|
|
|
|
-static YCHAR *yaffs_CloneString(const YCHAR * str)
|
|
+static YCHAR *yaffs_CloneString(const YCHAR *str)
|
|
{
|
|
YCHAR *newStr = NULL;
|
|
|
|
if (str && *str) {
|
|
newStr = YMALLOC((yaffs_strlen(str) + 1) * sizeof(YCHAR));
|
|
- if(newStr)
|
|
+ if (newStr)
|
|
yaffs_strcpy(newStr, str);
|
|
}
|
|
|
|
@@ -2229,29 +2260,31 @@ static YCHAR *yaffs_CloneString(const YC
|
|
*/
|
|
|
|
static yaffs_Object *yaffs_MknodObject(yaffs_ObjectType type,
|
|
- yaffs_Object * parent,
|
|
- const YCHAR * name,
|
|
+ yaffs_Object *parent,
|
|
+ const YCHAR *name,
|
|
__u32 mode,
|
|
__u32 uid,
|
|
__u32 gid,
|
|
- yaffs_Object * equivalentObject,
|
|
- const YCHAR * aliasString, __u32 rdev)
|
|
+ yaffs_Object *equivalentObject,
|
|
+ const YCHAR *aliasString, __u32 rdev)
|
|
{
|
|
yaffs_Object *in;
|
|
- YCHAR *str;
|
|
+ YCHAR *str = NULL;
|
|
|
|
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)) {
|
|
+ if (yaffs_FindObjectByName(parent, name))
|
|
return NULL;
|
|
- }
|
|
|
|
in = yaffs_CreateNewObject(dev, -1, type);
|
|
|
|
- if(type == YAFFS_OBJECT_TYPE_SYMLINK){
|
|
+ if (!in)
|
|
+ return YAFFS_FAIL;
|
|
+
|
|
+ if (type == YAFFS_OBJECT_TYPE_SYMLINK) {
|
|
str = yaffs_CloneString(aliasString);
|
|
- if(!str){
|
|
+ if (!str) {
|
|
yaffs_FreeObject(in);
|
|
return NULL;
|
|
}
|
|
@@ -2260,7 +2293,7 @@ static yaffs_Object *yaffs_MknodObject(y
|
|
|
|
|
|
if (in) {
|
|
- in->chunkId = -1;
|
|
+ in->hdrChunk = 0;
|
|
in->valid = 1;
|
|
in->variantType = type;
|
|
|
|
@@ -2293,10 +2326,10 @@ static yaffs_Object *yaffs_MknodObject(y
|
|
break;
|
|
case YAFFS_OBJECT_TYPE_HARDLINK:
|
|
in->variant.hardLinkVariant.equivalentObject =
|
|
- equivalentObject;
|
|
+ equivalentObject;
|
|
in->variant.hardLinkVariant.equivalentObjectId =
|
|
- equivalentObject->objectId;
|
|
- list_add(&in->hardLinks, &equivalentObject->hardLinks);
|
|
+ equivalentObject->objectId;
|
|
+ ylist_add(&in->hardLinks, &equivalentObject->hardLinks);
|
|
break;
|
|
case YAFFS_OBJECT_TYPE_FILE:
|
|
case YAFFS_OBJECT_TYPE_DIRECTORY:
|
|
@@ -2308,7 +2341,7 @@ static yaffs_Object *yaffs_MknodObject(y
|
|
|
|
if (yaffs_UpdateObjectHeader(in, name, 0, 0, 0) < 0) {
|
|
/* Could not create the object header, fail the creation */
|
|
- yaffs_DestroyObject(in);
|
|
+ yaffs_DeleteObject(in);
|
|
in = NULL;
|
|
}
|
|
|
|
@@ -2317,38 +2350,38 @@ static yaffs_Object *yaffs_MknodObject(y
|
|
return in;
|
|
}
|
|
|
|
-yaffs_Object *yaffs_MknodFile(yaffs_Object * parent, const YCHAR * name,
|
|
- __u32 mode, __u32 uid, __u32 gid)
|
|
+yaffs_Object *yaffs_MknodFile(yaffs_Object *parent, const YCHAR *name,
|
|
+ __u32 mode, __u32 uid, __u32 gid)
|
|
{
|
|
return yaffs_MknodObject(YAFFS_OBJECT_TYPE_FILE, parent, name, mode,
|
|
- uid, gid, NULL, NULL, 0);
|
|
+ uid, gid, NULL, NULL, 0);
|
|
}
|
|
|
|
-yaffs_Object *yaffs_MknodDirectory(yaffs_Object * parent, const YCHAR * name,
|
|
- __u32 mode, __u32 uid, __u32 gid)
|
|
+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);
|
|
}
|
|
|
|
-yaffs_Object *yaffs_MknodSpecial(yaffs_Object * parent, const YCHAR * name,
|
|
- __u32 mode, __u32 uid, __u32 gid, __u32 rdev)
|
|
+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)
|
|
+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);
|
|
+ uid, gid, NULL, alias, 0);
|
|
}
|
|
|
|
/* yaffs_Link returns the object id of the equivalent object.*/
|
|
-yaffs_Object *yaffs_Link(yaffs_Object * parent, const YCHAR * name,
|
|
- yaffs_Object * equivalentObject)
|
|
+yaffs_Object *yaffs_Link(yaffs_Object *parent, const YCHAR *name,
|
|
+ yaffs_Object *equivalentObject)
|
|
{
|
|
/* Get the real object in case we were fed a hard link as an equivalent object */
|
|
equivalentObject = yaffs_GetEquivalentObject(equivalentObject);
|
|
@@ -2363,33 +2396,31 @@ yaffs_Object *yaffs_Link(yaffs_Object *
|
|
|
|
}
|
|
|
|
-static int yaffs_ChangeObjectName(yaffs_Object * obj, yaffs_Object * newDir,
|
|
- const YCHAR * newName, int force, int shadows)
|
|
+static int yaffs_ChangeObjectName(yaffs_Object *obj, yaffs_Object *newDir,
|
|
+ const YCHAR *newName, int force, int shadows)
|
|
{
|
|
int unlinkOp;
|
|
int deleteOp;
|
|
|
|
yaffs_Object *existingTarget;
|
|
|
|
- if (newDir == NULL) {
|
|
+ if (newDir == NULL)
|
|
newDir = obj->parent; /* use the old directory */
|
|
- }
|
|
|
|
if (newDir->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) {
|
|
T(YAFFS_TRACE_ALWAYS,
|
|
(TSTR
|
|
- ("tragendy: yaffs_ChangeObjectName: newDir is not a directory"
|
|
+ ("tragedy: yaffs_ChangeObjectName: newDir is not a directory"
|
|
TENDSTR)));
|
|
YBUG();
|
|
}
|
|
|
|
/* TODO: Do we need this different handling for YAFFS2 and YAFFS1?? */
|
|
- if (obj->myDev->isYaffs2) {
|
|
+ if (obj->myDev->isYaffs2)
|
|
unlinkOp = (newDir == obj->myDev->unlinkedDir);
|
|
- } else {
|
|
+ else
|
|
unlinkOp = (newDir == obj->myDev->unlinkedDir
|
|
&& obj->variantType == YAFFS_OBJECT_TYPE_FILE);
|
|
- }
|
|
|
|
deleteOp = (newDir == obj->myDev->deletedDir);
|
|
|
|
@@ -2415,40 +2446,40 @@ static int yaffs_ChangeObjectName(yaffs_
|
|
obj->unlinked = 1;
|
|
|
|
/* If it is a deletion then we mark it as a shrink for gc purposes. */
|
|
- if (yaffs_UpdateObjectHeader(obj, newName, 0, deleteOp, shadows)>= 0)
|
|
+ if (yaffs_UpdateObjectHeader(obj, newName, 0, deleteOp, shadows) >= 0)
|
|
return YAFFS_OK;
|
|
}
|
|
|
|
return YAFFS_FAIL;
|
|
}
|
|
|
|
-int yaffs_RenameObject(yaffs_Object * oldDir, const YCHAR * oldName,
|
|
- yaffs_Object * newDir, const YCHAR * newName)
|
|
+int yaffs_RenameObject(yaffs_Object *oldDir, const YCHAR *oldName,
|
|
+ yaffs_Object *newDir, const YCHAR *newName)
|
|
{
|
|
- yaffs_Object *obj;
|
|
- yaffs_Object *existingTarget;
|
|
+ yaffs_Object *obj = NULL;
|
|
+ yaffs_Object *existingTarget = NULL;
|
|
int force = 0;
|
|
|
|
+
|
|
+ if (!oldDir || oldDir->variantType != YAFFS_OBJECT_TYPE_DIRECTORY)
|
|
+ YBUG();
|
|
+ if (!newDir || newDir->variantType != YAFFS_OBJECT_TYPE_DIRECTORY)
|
|
+ YBUG();
|
|
+
|
|
#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) {
|
|
+ if (oldDir == newDir && yaffs_strcmp(oldName, newName) == 0)
|
|
force = 1;
|
|
- }
|
|
#endif
|
|
|
|
+ else if (yaffs_strlen(newName) > YAFFS_MAX_NAME_LENGTH)
|
|
+ /* ENAMETOOLONG */
|
|
+ return YAFFS_FAIL;
|
|
+
|
|
obj = yaffs_FindObjectByName(oldDir, oldName);
|
|
- /* Check new name to long. */
|
|
- if (obj->variantType == YAFFS_OBJECT_TYPE_SYMLINK &&
|
|
- yaffs_strlen(newName) > YAFFS_MAX_ALIAS_LENGTH)
|
|
- /* ENAMETOOLONG */
|
|
- return YAFFS_FAIL;
|
|
- else if (obj->variantType != YAFFS_OBJECT_TYPE_SYMLINK &&
|
|
- yaffs_strlen(newName) > YAFFS_MAX_NAME_LENGTH)
|
|
- /* ENAMETOOLONG */
|
|
- return YAFFS_FAIL;
|
|
|
|
if (obj && obj->renameAllowed) {
|
|
|
|
@@ -2456,8 +2487,8 @@ int yaffs_RenameObject(yaffs_Object * ol
|
|
|
|
existingTarget = yaffs_FindObjectByName(newDir, newName);
|
|
if (existingTarget &&
|
|
- existingTarget->variantType == YAFFS_OBJECT_TYPE_DIRECTORY &&
|
|
- !list_empty(&existingTarget->variant.directoryVariant.children)) {
|
|
+ existingTarget->variantType == YAFFS_OBJECT_TYPE_DIRECTORY &&
|
|
+ !ylist_empty(&existingTarget->variant.directoryVariant.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) {
|
|
@@ -2465,7 +2496,7 @@ int yaffs_RenameObject(yaffs_Object * ol
|
|
* but only if it isn't the same object
|
|
*/
|
|
yaffs_ChangeObjectName(obj, newDir, newName, force,
|
|
- existingTarget->objectId);
|
|
+ existingTarget->objectId);
|
|
yaffs_UnlinkObject(existingTarget);
|
|
}
|
|
|
|
@@ -2476,7 +2507,7 @@ int yaffs_RenameObject(yaffs_Object * ol
|
|
|
|
/*------------------------- Block Management and Page Allocation ----------------*/
|
|
|
|
-static int yaffs_InitialiseBlocks(yaffs_Device * dev)
|
|
+static int yaffs_InitialiseBlocks(yaffs_Device *dev)
|
|
{
|
|
int nBlocks = dev->internalEndBlock - dev->internalStartBlock + 1;
|
|
|
|
@@ -2487,23 +2518,20 @@ static int yaffs_InitialiseBlocks(yaffs_
|
|
|
|
/* If the first allocation strategy fails, thry the alternate one */
|
|
dev->blockInfo = YMALLOC(nBlocks * sizeof(yaffs_BlockInfo));
|
|
- if(!dev->blockInfo){
|
|
+ if (!dev->blockInfo) {
|
|
dev->blockInfo = YMALLOC_ALT(nBlocks * sizeof(yaffs_BlockInfo));
|
|
dev->blockInfoAlt = 1;
|
|
- }
|
|
- else
|
|
+ } else
|
|
dev->blockInfoAlt = 0;
|
|
|
|
- if(dev->blockInfo){
|
|
-
|
|
+ if (dev->blockInfo) {
|
|
/* Set up dynamic blockinfo stuff. */
|
|
dev->chunkBitmapStride = (dev->nChunksPerBlock + 7) / 8; /* round up bytes */
|
|
dev->chunkBits = YMALLOC(dev->chunkBitmapStride * nBlocks);
|
|
- if(!dev->chunkBits){
|
|
+ if (!dev->chunkBits) {
|
|
dev->chunkBits = YMALLOC_ALT(dev->chunkBitmapStride * nBlocks);
|
|
dev->chunkBitsAlt = 1;
|
|
- }
|
|
- else
|
|
+ } else
|
|
dev->chunkBitsAlt = 0;
|
|
}
|
|
|
|
@@ -2514,30 +2542,29 @@ static int yaffs_InitialiseBlocks(yaffs_
|
|
}
|
|
|
|
return YAFFS_FAIL;
|
|
-
|
|
}
|
|
|
|
-static void yaffs_DeinitialiseBlocks(yaffs_Device * dev)
|
|
+static void yaffs_DeinitialiseBlocks(yaffs_Device *dev)
|
|
{
|
|
- if(dev->blockInfoAlt && dev->blockInfo)
|
|
+ if (dev->blockInfoAlt && dev->blockInfo)
|
|
YFREE_ALT(dev->blockInfo);
|
|
- else if(dev->blockInfo)
|
|
+ else if (dev->blockInfo)
|
|
YFREE(dev->blockInfo);
|
|
|
|
dev->blockInfoAlt = 0;
|
|
|
|
dev->blockInfo = NULL;
|
|
|
|
- if(dev->chunkBitsAlt && dev->chunkBits)
|
|
+ if (dev->chunkBitsAlt && dev->chunkBits)
|
|
YFREE_ALT(dev->chunkBits);
|
|
- else if(dev->chunkBits)
|
|
+ else if (dev->chunkBits)
|
|
YFREE(dev->chunkBits);
|
|
dev->chunkBitsAlt = 0;
|
|
dev->chunkBits = NULL;
|
|
}
|
|
|
|
-static int yaffs_BlockNotDisqualifiedFromGC(yaffs_Device * dev,
|
|
- yaffs_BlockInfo * bi)
|
|
+static int yaffs_BlockNotDisqualifiedFromGC(yaffs_Device *dev,
|
|
+ yaffs_BlockInfo *bi)
|
|
{
|
|
int i;
|
|
__u32 seq;
|
|
@@ -2556,7 +2583,7 @@ static int yaffs_BlockNotDisqualifiedFro
|
|
seq = dev->sequenceNumber;
|
|
|
|
for (i = dev->internalStartBlock; i <= dev->internalEndBlock;
|
|
- i++) {
|
|
+ i++) {
|
|
b = yaffs_GetBlockInfo(dev, i);
|
|
if (b->blockState == YAFFS_BLOCK_STATE_FULL &&
|
|
(b->pagesInUse - b->softDeletions) <
|
|
@@ -2571,38 +2598,36 @@ static int yaffs_BlockNotDisqualifiedFro
|
|
* discarded pages.
|
|
*/
|
|
return (bi->sequenceNumber <= dev->oldestDirtySequence);
|
|
-
|
|
}
|
|
|
|
/* FindDiretiestBlock is used to select the dirtiest block (or close enough)
|
|
* for garbage collection.
|
|
*/
|
|
|
|
-static int yaffs_FindBlockForGarbageCollection(yaffs_Device * dev,
|
|
- int aggressive)
|
|
+static int yaffs_FindBlockForGarbageCollection(yaffs_Device *dev,
|
|
+ int aggressive)
|
|
{
|
|
-
|
|
int b = dev->currentDirtyChecker;
|
|
|
|
int i;
|
|
int iterations;
|
|
int dirtiest = -1;
|
|
int pagesInUse = 0;
|
|
- int prioritised=0;
|
|
+ int prioritised = 0;
|
|
yaffs_BlockInfo *bi;
|
|
int pendingPrioritisedExist = 0;
|
|
|
|
/* First let's see if we need to grab a prioritised block */
|
|
- if(dev->hasPendingPrioritisedGCs){
|
|
- for(i = dev->internalStartBlock; i < dev->internalEndBlock && !prioritised; i++){
|
|
+ if (dev->hasPendingPrioritisedGCs) {
|
|
+ for (i = dev->internalStartBlock; i < dev->internalEndBlock && !prioritised; i++) {
|
|
|
|
bi = yaffs_GetBlockInfo(dev, i);
|
|
- //yaffs_VerifyBlock(dev,bi,i);
|
|
+ /* yaffs_VerifyBlock(dev,bi,i); */
|
|
|
|
- if(bi->gcPrioritise) {
|
|
+ if (bi->gcPrioritise) {
|
|
pendingPrioritisedExist = 1;
|
|
- if(bi->blockState == YAFFS_BLOCK_STATE_FULL &&
|
|
- yaffs_BlockNotDisqualifiedFromGC(dev, bi)){
|
|
+ if (bi->blockState == YAFFS_BLOCK_STATE_FULL &&
|
|
+ yaffs_BlockNotDisqualifiedFromGC(dev, bi)) {
|
|
pagesInUse = (bi->pagesInUse - bi->softDeletions);
|
|
dirtiest = i;
|
|
prioritised = 1;
|
|
@@ -2611,7 +2636,7 @@ static int yaffs_FindBlockForGarbageColl
|
|
}
|
|
}
|
|
|
|
- if(!pendingPrioritisedExist) /* None found, so we can clear this */
|
|
+ if (!pendingPrioritisedExist) /* None found, so we can clear this */
|
|
dev->hasPendingPrioritisedGCs = 0;
|
|
}
|
|
|
|
@@ -2623,31 +2648,28 @@ static int yaffs_FindBlockForGarbageColl
|
|
|
|
dev->nonAggressiveSkip--;
|
|
|
|
- if (!aggressive && (dev->nonAggressiveSkip > 0)) {
|
|
+ if (!aggressive && (dev->nonAggressiveSkip > 0))
|
|
return -1;
|
|
- }
|
|
|
|
- if(!prioritised)
|
|
+ if (!prioritised)
|
|
pagesInUse =
|
|
- (aggressive) ? dev->nChunksPerBlock : YAFFS_PASSIVE_GC_CHUNKS + 1;
|
|
+ (aggressive) ? dev->nChunksPerBlock : YAFFS_PASSIVE_GC_CHUNKS + 1;
|
|
|
|
- if (aggressive) {
|
|
+ if (aggressive)
|
|
iterations =
|
|
dev->internalEndBlock - dev->internalStartBlock + 1;
|
|
- } else {
|
|
+ else {
|
|
iterations =
|
|
dev->internalEndBlock - dev->internalStartBlock + 1;
|
|
iterations = iterations / 16;
|
|
- if (iterations > 200) {
|
|
+ if (iterations > 200)
|
|
iterations = 200;
|
|
- }
|
|
}
|
|
|
|
for (i = 0; i <= iterations && pagesInUse > 0 && !prioritised; i++) {
|
|
b++;
|
|
- if (b < dev->internalStartBlock || b > dev->internalEndBlock) {
|
|
+ if (b < dev->internalStartBlock || b > dev->internalEndBlock)
|
|
b = dev->internalStartBlock;
|
|
- }
|
|
|
|
if (b < dev->internalStartBlock || b > dev->internalEndBlock) {
|
|
T(YAFFS_TRACE_ERROR,
|
|
@@ -2657,17 +2679,9 @@ static int yaffs_FindBlockForGarbageColl
|
|
|
|
bi = yaffs_GetBlockInfo(dev, b);
|
|
|
|
-#if 0
|
|
- if (bi->blockState == YAFFS_BLOCK_STATE_CHECKPOINT) {
|
|
- dirtiest = b;
|
|
- pagesInUse = 0;
|
|
- }
|
|
- else
|
|
-#endif
|
|
-
|
|
if (bi->blockState == YAFFS_BLOCK_STATE_FULL &&
|
|
- (bi->pagesInUse - bi->softDeletions) < pagesInUse &&
|
|
- yaffs_BlockNotDisqualifiedFromGC(dev, bi)) {
|
|
+ (bi->pagesInUse - bi->softDeletions) < pagesInUse &&
|
|
+ yaffs_BlockNotDisqualifiedFromGC(dev, bi)) {
|
|
dirtiest = b;
|
|
pagesInUse = (bi->pagesInUse - bi->softDeletions);
|
|
}
|
|
@@ -2678,19 +2692,18 @@ static int yaffs_FindBlockForGarbageColl
|
|
if (dirtiest > 0) {
|
|
T(YAFFS_TRACE_GC,
|
|
(TSTR("GC Selected block %d with %d free, prioritised:%d" TENDSTR), dirtiest,
|
|
- dev->nChunksPerBlock - pagesInUse,prioritised));
|
|
+ dev->nChunksPerBlock - pagesInUse, prioritised));
|
|
}
|
|
|
|
dev->oldestDirtySequence = 0;
|
|
|
|
- if (dirtiest > 0) {
|
|
+ if (dirtiest > 0)
|
|
dev->nonAggressiveSkip = 4;
|
|
- }
|
|
|
|
return dirtiest;
|
|
}
|
|
|
|
-static void yaffs_BlockBecameDirty(yaffs_Device * dev, int blockNo)
|
|
+static void yaffs_BlockBecameDirty(yaffs_Device *dev, int blockNo)
|
|
{
|
|
yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, blockNo);
|
|
|
|
@@ -2752,7 +2765,7 @@ static void yaffs_BlockBecameDirty(yaffs
|
|
}
|
|
}
|
|
|
|
-static int yaffs_FindBlockForAllocation(yaffs_Device * dev)
|
|
+static int yaffs_FindBlockForAllocation(yaffs_Device *dev)
|
|
{
|
|
int i;
|
|
|
|
@@ -2763,7 +2776,7 @@ static int yaffs_FindBlockForAllocation(
|
|
* Can't get space to gc
|
|
*/
|
|
T(YAFFS_TRACE_ERROR,
|
|
- (TSTR("yaffs tragedy: no more eraased blocks" TENDSTR)));
|
|
+ (TSTR("yaffs tragedy: no more erased blocks" TENDSTR)));
|
|
|
|
return -1;
|
|
}
|
|
@@ -2794,31 +2807,74 @@ static int yaffs_FindBlockForAllocation(
|
|
|
|
T(YAFFS_TRACE_ALWAYS,
|
|
(TSTR
|
|
- ("yaffs tragedy: no more eraased blocks, but there should have been %d"
|
|
+ ("yaffs tragedy: no more erased blocks, but there should have been %d"
|
|
TENDSTR), dev->nErasedBlocks));
|
|
|
|
return -1;
|
|
}
|
|
|
|
|
|
-// Check if there's space to allocate...
|
|
-// Thinks.... do we need top make this ths same as yaffs_GetFreeChunks()?
|
|
-static int yaffs_CheckSpaceForAllocation(yaffs_Device * dev)
|
|
+
|
|
+static int yaffs_CalcCheckpointBlocksRequired(yaffs_Device *dev)
|
|
+{
|
|
+ if (!dev->nCheckpointBlocksRequired &&
|
|
+ dev->isYaffs2) {
|
|
+ /* Not a valid value so recalculate */
|
|
+ int nBytes = 0;
|
|
+ int nBlocks;
|
|
+ int devBlocks = (dev->endBlock - dev->startBlock + 1);
|
|
+ int tnodeSize;
|
|
+
|
|
+ tnodeSize = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8;
|
|
+
|
|
+ if (tnodeSize < sizeof(yaffs_Tnode))
|
|
+ tnodeSize = sizeof(yaffs_Tnode);
|
|
+
|
|
+ nBytes += sizeof(yaffs_CheckpointValidity);
|
|
+ nBytes += sizeof(yaffs_CheckpointDevice);
|
|
+ nBytes += devBlocks * sizeof(yaffs_BlockInfo);
|
|
+ nBytes += devBlocks * dev->chunkBitmapStride;
|
|
+ nBytes += (sizeof(yaffs_CheckpointObject) + sizeof(__u32)) * (dev->nObjectsCreated - dev->nFreeObjects);
|
|
+ nBytes += (tnodeSize + sizeof(__u32)) * (dev->nTnodesCreated - dev->nFreeTnodes);
|
|
+ nBytes += sizeof(yaffs_CheckpointValidity);
|
|
+ nBytes += sizeof(__u32); /* checksum*/
|
|
+
|
|
+ /* Round up and add 2 blocks to allow for some bad blocks, so add 3 */
|
|
+
|
|
+ nBlocks = (nBytes/(dev->nDataBytesPerChunk * dev->nChunksPerBlock)) + 3;
|
|
+
|
|
+ dev->nCheckpointBlocksRequired = nBlocks;
|
|
+ }
|
|
+
|
|
+ return dev->nCheckpointBlocksRequired;
|
|
+}
|
|
+
|
|
+/*
|
|
+ * Check if there's space to allocate...
|
|
+ * Thinks.... do we need top make this ths same as yaffs_GetFreeChunks()?
|
|
+ */
|
|
+static int yaffs_CheckSpaceForAllocation(yaffs_Device *dev)
|
|
{
|
|
int reservedChunks;
|
|
int reservedBlocks = dev->nReservedBlocks;
|
|
int checkpointBlocks;
|
|
|
|
- checkpointBlocks = dev->nCheckpointReservedBlocks - dev->blocksInCheckpoint;
|
|
- if(checkpointBlocks < 0)
|
|
+ if (dev->isYaffs2) {
|
|
+ checkpointBlocks = yaffs_CalcCheckpointBlocksRequired(dev) -
|
|
+ dev->blocksInCheckpoint;
|
|
+ if (checkpointBlocks < 0)
|
|
+ checkpointBlocks = 0;
|
|
+ } else {
|
|
checkpointBlocks = 0;
|
|
+ }
|
|
|
|
reservedChunks = ((reservedBlocks + checkpointBlocks) * dev->nChunksPerBlock);
|
|
|
|
return (dev->nFreeChunks > reservedChunks);
|
|
}
|
|
|
|
-static int yaffs_AllocateChunk(yaffs_Device * dev, int useReserve, yaffs_BlockInfo **blockUsedPtr)
|
|
+static int yaffs_AllocateChunk(yaffs_Device *dev, int useReserve,
|
|
+ yaffs_BlockInfo **blockUsedPtr)
|
|
{
|
|
int retVal;
|
|
yaffs_BlockInfo *bi;
|
|
@@ -2835,7 +2891,7 @@ static int yaffs_AllocateChunk(yaffs_Dev
|
|
}
|
|
|
|
if (dev->nErasedBlocks < dev->nReservedBlocks
|
|
- && dev->allocationPage == 0) {
|
|
+ && dev->allocationPage == 0) {
|
|
T(YAFFS_TRACE_ALLOCATE, (TSTR("Allocating reserve" TENDSTR)));
|
|
}
|
|
|
|
@@ -2844,10 +2900,10 @@ static int yaffs_AllocateChunk(yaffs_Dev
|
|
bi = yaffs_GetBlockInfo(dev, dev->allocationBlock);
|
|
|
|
retVal = (dev->allocationBlock * dev->nChunksPerBlock) +
|
|
- dev->allocationPage;
|
|
+ dev->allocationPage;
|
|
bi->pagesInUse++;
|
|
yaffs_SetChunkBit(dev, dev->allocationBlock,
|
|
- dev->allocationPage);
|
|
+ dev->allocationPage);
|
|
|
|
dev->allocationPage++;
|
|
|
|
@@ -2859,43 +2915,43 @@ static int yaffs_AllocateChunk(yaffs_Dev
|
|
dev->allocationBlock = -1;
|
|
}
|
|
|
|
- if(blockUsedPtr)
|
|
+ if (blockUsedPtr)
|
|
*blockUsedPtr = bi;
|
|
|
|
return retVal;
|
|
}
|
|
|
|
T(YAFFS_TRACE_ERROR,
|
|
- (TSTR("!!!!!!!!! Allocator out !!!!!!!!!!!!!!!!!" TENDSTR)));
|
|
+ (TSTR("!!!!!!!!! Allocator out !!!!!!!!!!!!!!!!!" TENDSTR)));
|
|
|
|
return -1;
|
|
}
|
|
|
|
-static int yaffs_GetErasedChunks(yaffs_Device * dev)
|
|
+static int yaffs_GetErasedChunks(yaffs_Device *dev)
|
|
{
|
|
int n;
|
|
|
|
n = dev->nErasedBlocks * dev->nChunksPerBlock;
|
|
|
|
- if (dev->allocationBlock > 0) {
|
|
+ if (dev->allocationBlock > 0)
|
|
n += (dev->nChunksPerBlock - dev->allocationPage);
|
|
- }
|
|
|
|
return n;
|
|
|
|
}
|
|
|
|
-static int yaffs_GarbageCollectBlock(yaffs_Device * dev, int block)
|
|
+static int yaffs_GarbageCollectBlock(yaffs_Device *dev, int block,
|
|
+ int wholeBlock)
|
|
{
|
|
int oldChunk;
|
|
int newChunk;
|
|
- int chunkInBlock;
|
|
int markNAND;
|
|
int retVal = YAFFS_OK;
|
|
int cleanups = 0;
|
|
int i;
|
|
int isCheckpointBlock;
|
|
int matchingChunk;
|
|
+ int maxCopies;
|
|
|
|
int chunksBefore = yaffs_GetErasedChunks(dev);
|
|
int chunksAfter;
|
|
@@ -2911,8 +2967,11 @@ static int yaffs_GarbageCollectBlock(yaf
|
|
bi->blockState = YAFFS_BLOCK_STATE_COLLECTING;
|
|
|
|
T(YAFFS_TRACE_TRACING,
|
|
- (TSTR("Collecting block %d, in use %d, shrink %d, " TENDSTR), block,
|
|
- bi->pagesInUse, bi->hasShrinkHeader));
|
|
+ (TSTR("Collecting block %d, in use %d, shrink %d, wholeBlock %d" TENDSTR),
|
|
+ block,
|
|
+ bi->pagesInUse,
|
|
+ bi->hasShrinkHeader,
|
|
+ wholeBlock));
|
|
|
|
/*yaffs_VerifyFreeChunks(dev); */
|
|
|
|
@@ -2926,26 +2985,33 @@ static int yaffs_GarbageCollectBlock(yaf
|
|
dev->isDoingGC = 1;
|
|
|
|
if (isCheckpointBlock ||
|
|
- !yaffs_StillSomeChunkBits(dev, block)) {
|
|
+ !yaffs_StillSomeChunkBits(dev, block)) {
|
|
T(YAFFS_TRACE_TRACING,
|
|
- (TSTR
|
|
- ("Collecting block %d that has no chunks in use" TENDSTR),
|
|
- block));
|
|
+ (TSTR
|
|
+ ("Collecting block %d that has no chunks in use" TENDSTR),
|
|
+ block));
|
|
yaffs_BlockBecameDirty(dev, block);
|
|
} else {
|
|
|
|
__u8 *buffer = yaffs_GetTempBuffer(dev, __LINE__);
|
|
|
|
- yaffs_VerifyBlock(dev,bi,block);
|
|
+ yaffs_VerifyBlock(dev, bi, block);
|
|
|
|
- for (chunkInBlock = 0, oldChunk = block * dev->nChunksPerBlock;
|
|
- chunkInBlock < dev->nChunksPerBlock
|
|
- && yaffs_StillSomeChunkBits(dev, block);
|
|
- chunkInBlock++, oldChunk++) {
|
|
- if (yaffs_CheckChunkBit(dev, block, chunkInBlock)) {
|
|
+ maxCopies = (wholeBlock) ? dev->nChunksPerBlock : 10;
|
|
+ oldChunk = block * dev->nChunksPerBlock + dev->gcChunk;
|
|
+
|
|
+ for (/* init already done */;
|
|
+ retVal == YAFFS_OK &&
|
|
+ dev->gcChunk < dev->nChunksPerBlock &&
|
|
+ (bi->blockState == YAFFS_BLOCK_STATE_COLLECTING) &&
|
|
+ maxCopies > 0;
|
|
+ dev->gcChunk++, oldChunk++) {
|
|
+ if (yaffs_CheckChunkBit(dev, block, dev->gcChunk)) {
|
|
|
|
/* This page is in use and might need to be copied off */
|
|
|
|
+ maxCopies--;
|
|
+
|
|
markNAND = 1;
|
|
|
|
yaffs_InitialiseTags(&tags);
|
|
@@ -2959,22 +3025,22 @@ static int yaffs_GarbageCollectBlock(yaf
|
|
|
|
T(YAFFS_TRACE_GC_DETAIL,
|
|
(TSTR
|
|
- ("Collecting page %d, %d %d %d " TENDSTR),
|
|
- chunkInBlock, tags.objectId, tags.chunkId,
|
|
+ ("Collecting chunk in block %d, %d %d %d " TENDSTR),
|
|
+ dev->gcChunk, tags.objectId, tags.chunkId,
|
|
tags.byteCount));
|
|
|
|
- if(object && !yaffs_SkipVerification(dev)){
|
|
- if(tags.chunkId == 0)
|
|
- matchingChunk = object->chunkId;
|
|
- else if(object->softDeleted)
|
|
+ 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);
|
|
+ matchingChunk = yaffs_FindChunkInFile(object, tags.chunkId, NULL);
|
|
|
|
- if(oldChunk != matchingChunk)
|
|
+ if (oldChunk != matchingChunk)
|
|
T(YAFFS_TRACE_ERROR,
|
|
(TSTR("gc: page in gc mismatch: %d %d %d %d"TENDSTR),
|
|
- oldChunk,matchingChunk,tags.objectId, tags.chunkId));
|
|
+ oldChunk, matchingChunk, tags.objectId, tags.chunkId));
|
|
|
|
}
|
|
|
|
@@ -2986,9 +3052,11 @@ static int yaffs_GarbageCollectBlock(yaf
|
|
tags.objectId, tags.chunkId, tags.byteCount));
|
|
}
|
|
|
|
- if (object && object->deleted
|
|
- && tags.chunkId != 0) {
|
|
- /* Data chunk in a deleted file, throw it away
|
|
+ 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.
|
|
@@ -3003,13 +3071,12 @@ static int yaffs_GarbageCollectBlock(yaf
|
|
cleanups++;
|
|
}
|
|
markNAND = 0;
|
|
- } else if (0
|
|
- /* Todo object && object->deleted && object->nDataChunks == 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->chunkId = 0;
|
|
+ object->hdrChunk = 0;
|
|
yaffs_FreeTnode(object->myDev,
|
|
object->variant.
|
|
fileVariant.top);
|
|
@@ -3031,17 +3098,14 @@ static int yaffs_GarbageCollectBlock(yaf
|
|
* We need to nuke the shrinkheader flags first
|
|
* We no longer want the shrinkHeader flag since its work is done
|
|
* and if it is left in place it will mess up scanning.
|
|
- * Also, clear out any shadowing stuff
|
|
*/
|
|
|
|
yaffs_ObjectHeader *oh;
|
|
oh = (yaffs_ObjectHeader *)buffer;
|
|
oh->isShrink = 0;
|
|
- oh->shadowsObject = -1;
|
|
- tags.extraShadows = 0;
|
|
tags.extraIsShrinkHeader = 0;
|
|
|
|
- yaffs_VerifyObjectHeader(object,oh,&tags,1);
|
|
+ yaffs_VerifyObjectHeader(object, oh, &tags, 1);
|
|
}
|
|
|
|
newChunk =
|
|
@@ -3055,7 +3119,7 @@ static int yaffs_GarbageCollectBlock(yaf
|
|
|
|
if (tags.chunkId == 0) {
|
|
/* It's a header */
|
|
- object->chunkId = newChunk;
|
|
+ object->hdrChunk = newChunk;
|
|
object->serial = tags.serialNumber;
|
|
} else {
|
|
/* It's a data chunk */
|
|
@@ -3067,7 +3131,8 @@ static int yaffs_GarbageCollectBlock(yaf
|
|
}
|
|
}
|
|
|
|
- yaffs_DeleteChunk(dev, oldChunk, markNAND, __LINE__);
|
|
+ if (retVal == YAFFS_OK)
|
|
+ yaffs_DeleteChunk(dev, oldChunk, markNAND, __LINE__);
|
|
|
|
}
|
|
}
|
|
@@ -3098,18 +3163,25 @@ static int yaffs_GarbageCollectBlock(yaf
|
|
|
|
}
|
|
|
|
- yaffs_VerifyCollectedBlock(dev,bi,block);
|
|
+ yaffs_VerifyCollectedBlock(dev, bi, block);
|
|
|
|
- if (chunksBefore >= (chunksAfter = yaffs_GetErasedChunks(dev))) {
|
|
+ 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));
|
|
}
|
|
|
|
+ /* 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;
|
|
+ }
|
|
+
|
|
dev->isDoingGC = 0;
|
|
|
|
- return YAFFS_OK;
|
|
+ return retVal;
|
|
}
|
|
|
|
/* New garbage collector
|
|
@@ -3121,7 +3193,7 @@ static int yaffs_GarbageCollectBlock(yaf
|
|
* 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)
|
|
+static int yaffs_CheckGarbageCollection(yaffs_Device *dev)
|
|
{
|
|
int block;
|
|
int aggressive;
|
|
@@ -3142,8 +3214,8 @@ static int yaffs_CheckGarbageCollection(
|
|
do {
|
|
maxTries++;
|
|
|
|
- checkpointBlockAdjust = (dev->nCheckpointReservedBlocks - dev->blocksInCheckpoint);
|
|
- if(checkpointBlockAdjust < 0)
|
|
+ checkpointBlockAdjust = yaffs_CalcCheckpointBlocksRequired(dev) - dev->blocksInCheckpoint;
|
|
+ if (checkpointBlockAdjust < 0)
|
|
checkpointBlockAdjust = 0;
|
|
|
|
if (dev->nErasedBlocks < (dev->nReservedBlocks + checkpointBlockAdjust + 2)) {
|
|
@@ -3154,20 +3226,24 @@ static int yaffs_CheckGarbageCollection(
|
|
aggressive = 0;
|
|
}
|
|
|
|
- block = yaffs_FindBlockForGarbageCollection(dev, aggressive);
|
|
+ if (dev->gcBlock <= 0) {
|
|
+ dev->gcBlock = yaffs_FindBlockForGarbageCollection(dev, aggressive);
|
|
+ dev->gcChunk = 0;
|
|
+ }
|
|
+
|
|
+ block = dev->gcBlock;
|
|
|
|
if (block > 0) {
|
|
dev->garbageCollections++;
|
|
- if (!aggressive) {
|
|
+ if (!aggressive)
|
|
dev->passiveGarbageCollections++;
|
|
- }
|
|
|
|
T(YAFFS_TRACE_GC,
|
|
(TSTR
|
|
("yaffs: GC erasedBlocks %d aggressive %d" TENDSTR),
|
|
dev->nErasedBlocks, aggressive));
|
|
|
|
- gcOk = yaffs_GarbageCollectBlock(dev, block);
|
|
+ gcOk = yaffs_GarbageCollectBlock(dev, block, aggressive);
|
|
}
|
|
|
|
if (dev->nErasedBlocks < (dev->nReservedBlocks) && block > 0) {
|
|
@@ -3176,15 +3252,16 @@ static int yaffs_CheckGarbageCollection(
|
|
("yaffs: GC !!!no reclaim!!! erasedBlocks %d after try %d block %d"
|
|
TENDSTR), dev->nErasedBlocks, maxTries, block));
|
|
}
|
|
- } while ((dev->nErasedBlocks < dev->nReservedBlocks) && (block > 0)
|
|
- && (maxTries < 2));
|
|
+ } while ((dev->nErasedBlocks < dev->nReservedBlocks) &&
|
|
+ (block > 0) &&
|
|
+ (maxTries < 2));
|
|
|
|
return aggressive ? gcOk : YAFFS_OK;
|
|
}
|
|
|
|
/*------------------------- TAGS --------------------------------*/
|
|
|
|
-static int yaffs_TagsMatch(const yaffs_ExtendedTags * tags, int objectId,
|
|
+static int yaffs_TagsMatch(const yaffs_ExtendedTags *tags, int objectId,
|
|
int chunkInObject)
|
|
{
|
|
return (tags->chunkId == chunkInObject &&
|
|
@@ -3195,8 +3272,8 @@ static int yaffs_TagsMatch(const yaffs_E
|
|
|
|
/*-------------------- Data file manipulation -----------------*/
|
|
|
|
-static int yaffs_FindChunkInFile(yaffs_Object * in, int chunkInInode,
|
|
- yaffs_ExtendedTags * tags)
|
|
+static int yaffs_FindChunkInFile(yaffs_Object *in, int chunkInInode,
|
|
+ yaffs_ExtendedTags *tags)
|
|
{
|
|
/*Get the Tnode, then get the level 0 offset chunk offset */
|
|
yaffs_Tnode *tn;
|
|
@@ -3214,7 +3291,7 @@ static int yaffs_FindChunkInFile(yaffs_O
|
|
tn = yaffs_FindLevel0Tnode(dev, &in->variant.fileVariant, chunkInInode);
|
|
|
|
if (tn) {
|
|
- theChunk = yaffs_GetChunkGroupBase(dev,tn,chunkInInode);
|
|
+ theChunk = yaffs_GetChunkGroupBase(dev, tn, chunkInInode);
|
|
|
|
retVal =
|
|
yaffs_FindChunkInGroup(dev, theChunk, tags, in->objectId,
|
|
@@ -3223,8 +3300,8 @@ static int yaffs_FindChunkInFile(yaffs_O
|
|
return retVal;
|
|
}
|
|
|
|
-static int yaffs_FindAndDeleteChunkInFile(yaffs_Object * in, int chunkInInode,
|
|
- yaffs_ExtendedTags * tags)
|
|
+static int yaffs_FindAndDeleteChunkInFile(yaffs_Object *in, int chunkInInode,
|
|
+ yaffs_ExtendedTags *tags)
|
|
{
|
|
/* Get the Tnode, then get the level 0 offset chunk offset */
|
|
yaffs_Tnode *tn;
|
|
@@ -3243,29 +3320,23 @@ static int yaffs_FindAndDeleteChunkInFil
|
|
|
|
if (tn) {
|
|
|
|
- theChunk = yaffs_GetChunkGroupBase(dev,tn,chunkInInode);
|
|
+ theChunk = yaffs_GetChunkGroupBase(dev, tn, chunkInInode);
|
|
|
|
retVal =
|
|
yaffs_FindChunkInGroup(dev, theChunk, tags, in->objectId,
|
|
chunkInInode);
|
|
|
|
/* Delete the entry in the filestructure (if found) */
|
|
- if (retVal != -1) {
|
|
- yaffs_PutLevel0Tnode(dev,tn,chunkInInode,0);
|
|
- }
|
|
- } else {
|
|
- /*T(("No level 0 found for %d\n", chunkInInode)); */
|
|
+ if (retVal != -1)
|
|
+ yaffs_PutLevel0Tnode(dev, tn, chunkInInode, 0);
|
|
}
|
|
|
|
- if (retVal == -1) {
|
|
- /* T(("Could not find %d to delete\n",chunkInInode)); */
|
|
- }
|
|
return retVal;
|
|
}
|
|
|
|
#ifdef YAFFS_PARANOID
|
|
|
|
-static int yaffs_CheckFileSanity(yaffs_Object * in)
|
|
+static int yaffs_CheckFileSanity(yaffs_Object *in)
|
|
{
|
|
int chunk;
|
|
int nChunks;
|
|
@@ -3278,10 +3349,8 @@ static int yaffs_CheckFileSanity(yaffs_O
|
|
int theChunk;
|
|
int chunkDeleted;
|
|
|
|
- if (in->variantType != YAFFS_OBJECT_TYPE_FILE) {
|
|
- /* T(("Object not a file\n")); */
|
|
+ if (in->variantType != YAFFS_OBJECT_TYPE_FILE)
|
|
return YAFFS_FAIL;
|
|
- }
|
|
|
|
objId = in->objectId;
|
|
fSize = in->variant.fileVariant.fileSize;
|
|
@@ -3294,7 +3363,7 @@ static int yaffs_CheckFileSanity(yaffs_O
|
|
|
|
if (tn) {
|
|
|
|
- theChunk = yaffs_GetChunkGroupBase(dev,tn,chunk);
|
|
+ theChunk = yaffs_GetChunkGroupBase(dev, tn, chunk);
|
|
|
|
if (yaffs_CheckChunkBits
|
|
(dev, theChunk / dev->nChunksPerBlock,
|
|
@@ -3323,7 +3392,7 @@ static int yaffs_CheckFileSanity(yaffs_O
|
|
|
|
#endif
|
|
|
|
-static int yaffs_PutChunkIntoFile(yaffs_Object * in, int chunkInInode,
|
|
+static int yaffs_PutChunkIntoFile(yaffs_Object *in, int chunkInInode,
|
|
int chunkInNAND, int inScan)
|
|
{
|
|
/* NB inScan is zero unless scanning.
|
|
@@ -3358,11 +3427,10 @@ static int yaffs_PutChunkIntoFile(yaffs_
|
|
&in->variant.fileVariant,
|
|
chunkInInode,
|
|
NULL);
|
|
- if (!tn) {
|
|
+ if (!tn)
|
|
return YAFFS_FAIL;
|
|
- }
|
|
|
|
- existingChunk = yaffs_GetChunkGroupBase(dev,tn,chunkInInode);
|
|
+ existingChunk = yaffs_GetChunkGroupBase(dev, tn, chunkInInode);
|
|
|
|
if (inScan != 0) {
|
|
/* If we're scanning then we need to test for duplicates
|
|
@@ -3374,7 +3442,7 @@ static int yaffs_PutChunkIntoFile(yaffs_
|
|
* Update: For backward scanning we don't need to re-read tags so this is quite cheap.
|
|
*/
|
|
|
|
- if (existingChunk != 0) {
|
|
+ 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.
|
|
*
|
|
@@ -3411,8 +3479,10 @@ static int yaffs_PutChunkIntoFile(yaffs_
|
|
* not be loaded during a scan
|
|
*/
|
|
|
|
- newSerial = newTags.serialNumber;
|
|
- existingSerial = existingTags.serialNumber;
|
|
+ if (inScan > 0) {
|
|
+ newSerial = newTags.serialNumber;
|
|
+ existingSerial = existingTags.serialNumber;
|
|
+ }
|
|
|
|
if ((inScan > 0) &&
|
|
(in->myDev->isYaffs2 ||
|
|
@@ -3437,24 +3507,23 @@ static int yaffs_PutChunkIntoFile(yaffs_
|
|
|
|
}
|
|
|
|
- if (existingChunk == 0) {
|
|
+ if (existingChunk == 0)
|
|
in->nDataChunks++;
|
|
- }
|
|
|
|
- yaffs_PutLevel0Tnode(dev,tn,chunkInInode,chunkInNAND);
|
|
+ yaffs_PutLevel0Tnode(dev, tn, chunkInInode, chunkInNAND);
|
|
|
|
return YAFFS_OK;
|
|
}
|
|
|
|
-static int yaffs_ReadChunkDataFromObject(yaffs_Object * in, int chunkInInode,
|
|
- __u8 * buffer)
|
|
+static int yaffs_ReadChunkDataFromObject(yaffs_Object *in, int chunkInInode,
|
|
+ __u8 *buffer)
|
|
{
|
|
int chunkInNAND = yaffs_FindChunkInFile(in, chunkInInode, NULL);
|
|
|
|
- if (chunkInNAND >= 0) {
|
|
+ if (chunkInNAND >= 0)
|
|
return yaffs_ReadChunkWithTagsFromNAND(in->myDev, chunkInNAND,
|
|
- buffer,NULL);
|
|
- } else {
|
|
+ buffer, NULL);
|
|
+ else {
|
|
T(YAFFS_TRACE_NANDACCESS,
|
|
(TSTR("Chunk %d not found zero instead" TENDSTR),
|
|
chunkInNAND));
|
|
@@ -3465,7 +3534,7 @@ static int yaffs_ReadChunkDataFromObject
|
|
|
|
}
|
|
|
|
-void yaffs_DeleteChunk(yaffs_Device * dev, int chunkId, int markNAND, int lyn)
|
|
+void yaffs_DeleteChunk(yaffs_Device *dev, int chunkId, int markNAND, int lyn)
|
|
{
|
|
int block;
|
|
int page;
|
|
@@ -3475,16 +3544,15 @@ void yaffs_DeleteChunk(yaffs_Device * de
|
|
if (chunkId <= 0)
|
|
return;
|
|
|
|
-
|
|
dev->nDeletions++;
|
|
block = chunkId / dev->nChunksPerBlock;
|
|
page = chunkId % dev->nChunksPerBlock;
|
|
|
|
|
|
- if(!yaffs_CheckChunkBit(dev,block,page))
|
|
+ if (!yaffs_CheckChunkBit(dev, block, page))
|
|
T(YAFFS_TRACE_VERIFY,
|
|
- (TSTR("Deleting invalid chunk %d"TENDSTR),
|
|
- chunkId));
|
|
+ (TSTR("Deleting invalid chunk %d"TENDSTR),
|
|
+ chunkId));
|
|
|
|
bi = yaffs_GetBlockInfo(dev, block);
|
|
|
|
@@ -3524,14 +3592,12 @@ void yaffs_DeleteChunk(yaffs_Device * de
|
|
yaffs_BlockBecameDirty(dev, block);
|
|
}
|
|
|
|
- } else {
|
|
- /* T(("Bad news deleting chunk %d\n",chunkId)); */
|
|
}
|
|
|
|
}
|
|
|
|
-static int yaffs_WriteChunkDataToObject(yaffs_Object * in, int chunkInInode,
|
|
- const __u8 * buffer, int nBytes,
|
|
+static int yaffs_WriteChunkDataToObject(yaffs_Object *in, int chunkInInode,
|
|
+ const __u8 *buffer, int nBytes,
|
|
int useReserve)
|
|
{
|
|
/* Find old chunk Need to do this to get serial number
|
|
@@ -3561,6 +3627,12 @@ static int yaffs_WriteChunkDataToObject(
|
|
(prevChunkId >= 0) ? prevTags.serialNumber + 1 : 1;
|
|
newTags.byteCount = nBytes;
|
|
|
|
+ if (nBytes < 1 || nBytes > dev->totalBytesPerChunk) {
|
|
+ T(YAFFS_TRACE_ERROR,
|
|
+ (TSTR("Writing %d bytes to chunk!!!!!!!!!" TENDSTR), nBytes));
|
|
+ YBUG();
|
|
+ }
|
|
+
|
|
newChunkId =
|
|
yaffs_WriteNewChunkWithTagsToNAND(dev, buffer, &newTags,
|
|
useReserve);
|
|
@@ -3568,11 +3640,9 @@ static int yaffs_WriteChunkDataToObject(
|
|
if (newChunkId >= 0) {
|
|
yaffs_PutChunkIntoFile(in, chunkInInode, newChunkId, 0);
|
|
|
|
- if (prevChunkId >= 0) {
|
|
+ if (prevChunkId >= 0)
|
|
yaffs_DeleteChunk(dev, prevChunkId, 1, __LINE__);
|
|
|
|
- }
|
|
-
|
|
yaffs_CheckFileSanity(in);
|
|
}
|
|
return newChunkId;
|
|
@@ -3582,7 +3652,7 @@ static int yaffs_WriteChunkDataToObject(
|
|
/* 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 yaffs_UpdateObjectHeader(yaffs_Object *in, const YCHAR *name, int force,
|
|
int isShrink, int shadows)
|
|
{
|
|
|
|
@@ -3603,9 +3673,12 @@ int yaffs_UpdateObjectHeader(yaffs_Objec
|
|
|
|
yaffs_ObjectHeader *oh = NULL;
|
|
|
|
- yaffs_strcpy(oldName,"silly old name");
|
|
+ yaffs_strcpy(oldName, _Y("silly old name"));
|
|
|
|
- if (!in->fake || force) {
|
|
+
|
|
+ if (!in->fake ||
|
|
+ in == dev->rootDir || /* The rootDir should also be saved */
|
|
+ force) {
|
|
|
|
yaffs_CheckGarbageCollection(dev);
|
|
yaffs_CheckObjectDetailsLoaded(in);
|
|
@@ -3613,13 +3686,13 @@ int yaffs_UpdateObjectHeader(yaffs_Objec
|
|
buffer = yaffs_GetTempBuffer(in->myDev, __LINE__);
|
|
oh = (yaffs_ObjectHeader *) buffer;
|
|
|
|
- prevChunkId = in->chunkId;
|
|
+ prevChunkId = in->hdrChunk;
|
|
|
|
- if (prevChunkId >= 0) {
|
|
+ if (prevChunkId > 0) {
|
|
result = yaffs_ReadChunkWithTagsFromNAND(dev, prevChunkId,
|
|
buffer, &oldTags);
|
|
|
|
- yaffs_VerifyObjectHeader(in,oh,&oldTags,0);
|
|
+ yaffs_VerifyObjectHeader(in, oh, &oldTags, 0);
|
|
|
|
memcpy(oldName, oh->name, sizeof(oh->name));
|
|
}
|
|
@@ -3628,7 +3701,7 @@ int yaffs_UpdateObjectHeader(yaffs_Objec
|
|
|
|
oh->type = in->variantType;
|
|
oh->yst_mode = in->yst_mode;
|
|
- oh->shadowsObject = shadows;
|
|
+ oh->shadowsObject = oh->inbandShadowsObject = shadows;
|
|
|
|
#ifdef CONFIG_YAFFS_WINCE
|
|
oh->win_atime[0] = in->win_atime[0];
|
|
@@ -3645,20 +3718,18 @@ int yaffs_UpdateObjectHeader(yaffs_Objec
|
|
oh->yst_ctime = in->yst_ctime;
|
|
oh->yst_rdev = in->yst_rdev;
|
|
#endif
|
|
- if (in->parent) {
|
|
+ if (in->parent)
|
|
oh->parentObjectId = in->parent->objectId;
|
|
- } else {
|
|
+ else
|
|
oh->parentObjectId = 0;
|
|
- }
|
|
|
|
if (name && *name) {
|
|
memset(oh->name, 0, sizeof(oh->name));
|
|
yaffs_strncpy(oh->name, name, YAFFS_MAX_NAME_LENGTH);
|
|
- } else if (prevChunkId>=0) {
|
|
+ } else if (prevChunkId >= 0)
|
|
memcpy(oh->name, oldName, sizeof(oh->name));
|
|
- } else {
|
|
+ else
|
|
memset(oh->name, 0, sizeof(oh->name));
|
|
- }
|
|
|
|
oh->isShrink = isShrink;
|
|
|
|
@@ -3708,7 +3779,7 @@ int yaffs_UpdateObjectHeader(yaffs_Objec
|
|
newTags.extraShadows = (oh->shadowsObject > 0) ? 1 : 0;
|
|
newTags.extraObjectType = in->variantType;
|
|
|
|
- yaffs_VerifyObjectHeader(in,oh,&newTags,1);
|
|
+ yaffs_VerifyObjectHeader(in, oh, &newTags, 1);
|
|
|
|
/* Create new chunk in NAND */
|
|
newChunkId =
|
|
@@ -3717,20 +3788,20 @@ int yaffs_UpdateObjectHeader(yaffs_Objec
|
|
|
|
if (newChunkId >= 0) {
|
|
|
|
- in->chunkId = newChunkId;
|
|
+ in->hdrChunk = newChunkId;
|
|
|
|
if (prevChunkId >= 0) {
|
|
yaffs_DeleteChunk(dev, prevChunkId, 1,
|
|
__LINE__);
|
|
}
|
|
|
|
- if(!yaffs_ObjectHasCachedWriteData(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-> nChunksPerBlock);
|
|
+ newChunkId / in->myDev->nChunksPerBlock);
|
|
bi->hasShrinkHeader = 1;
|
|
}
|
|
|
|
@@ -3766,7 +3837,7 @@ static int yaffs_ObjectHasCachedWriteDat
|
|
yaffs_ChunkCache *cache;
|
|
int nCaches = obj->myDev->nShortOpCaches;
|
|
|
|
- for(i = 0; i < nCaches; i++){
|
|
+ for (i = 0; i < nCaches; i++) {
|
|
cache = &dev->srCache[i];
|
|
if (cache->object == obj &&
|
|
cache->dirty)
|
|
@@ -3777,7 +3848,7 @@ static int yaffs_ObjectHasCachedWriteDat
|
|
}
|
|
|
|
|
|
-static void yaffs_FlushFilesChunkCache(yaffs_Object * obj)
|
|
+static void yaffs_FlushFilesChunkCache(yaffs_Object *obj)
|
|
{
|
|
yaffs_Device *dev = obj->myDev;
|
|
int lowest = -99; /* Stop compiler whining. */
|
|
@@ -3844,16 +3915,16 @@ void yaffs_FlushEntireDeviceCache(yaffs_
|
|
*/
|
|
do {
|
|
obj = NULL;
|
|
- for( i = 0; i < nCaches && !obj; i++) {
|
|
+ for (i = 0; i < nCaches && !obj; i++) {
|
|
if (dev->srCache[i].object &&
|
|
dev->srCache[i].dirty)
|
|
obj = dev->srCache[i].object;
|
|
|
|
}
|
|
- if(obj)
|
|
+ if (obj)
|
|
yaffs_FlushFilesChunkCache(obj);
|
|
|
|
- } while(obj);
|
|
+ } while (obj);
|
|
|
|
}
|
|
|
|
@@ -3863,41 +3934,21 @@ void yaffs_FlushEntireDeviceCache(yaffs_
|
|
* 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_ChunkCache *yaffs_GrabChunkCacheWorker(yaffs_Device *dev)
|
|
{
|
|
int i;
|
|
- int usage;
|
|
- int theOne;
|
|
|
|
if (dev->nShortOpCaches > 0) {
|
|
for (i = 0; i < dev->nShortOpCaches; i++) {
|
|
if (!dev->srCache[i].object)
|
|
return &dev->srCache[i];
|
|
}
|
|
+ }
|
|
|
|
- return NULL;
|
|
+ return NULL;
|
|
+}
|
|
|
|
- theOne = -1;
|
|
- usage = 0; /* just to stop the compiler grizzling */
|
|
-
|
|
- for (i = 0; i < dev->nShortOpCaches; i++) {
|
|
- if (!dev->srCache[i].dirty &&
|
|
- ((dev->srCache[i].lastUse < usage && theOne >= 0) ||
|
|
- theOne < 0)) {
|
|
- usage = dev->srCache[i].lastUse;
|
|
- theOne = i;
|
|
- }
|
|
- }
|
|
-
|
|
-
|
|
- return theOne >= 0 ? &dev->srCache[theOne] : NULL;
|
|
- } else {
|
|
- return NULL;
|
|
- }
|
|
-
|
|
-}
|
|
-
|
|
-static yaffs_ChunkCache *yaffs_GrabChunkCache(yaffs_Device * dev)
|
|
+static yaffs_ChunkCache *yaffs_GrabChunkCache(yaffs_Device *dev)
|
|
{
|
|
yaffs_ChunkCache *cache;
|
|
yaffs_Object *theObj;
|
|
@@ -3927,8 +3978,7 @@ static yaffs_ChunkCache *yaffs_GrabChunk
|
|
for (i = 0; i < dev->nShortOpCaches; i++) {
|
|
if (dev->srCache[i].object &&
|
|
!dev->srCache[i].locked &&
|
|
- (dev->srCache[i].lastUse < usage || !cache))
|
|
- {
|
|
+ (dev->srCache[i].lastUse < usage || !cache)) {
|
|
usage = dev->srCache[i].lastUse;
|
|
theObj = dev->srCache[i].object;
|
|
cache = &dev->srCache[i];
|
|
@@ -3950,7 +4000,7 @@ static yaffs_ChunkCache *yaffs_GrabChunk
|
|
}
|
|
|
|
/* Find a cached chunk */
|
|
-static yaffs_ChunkCache *yaffs_FindChunkCache(const yaffs_Object * obj,
|
|
+static yaffs_ChunkCache *yaffs_FindChunkCache(const yaffs_Object *obj,
|
|
int chunkId)
|
|
{
|
|
yaffs_Device *dev = obj->myDev;
|
|
@@ -3969,7 +4019,7 @@ static yaffs_ChunkCache *yaffs_FindChunk
|
|
}
|
|
|
|
/* Mark the chunk for the least recently used algorithym */
|
|
-static void yaffs_UseChunkCache(yaffs_Device * dev, yaffs_ChunkCache * cache,
|
|
+static void yaffs_UseChunkCache(yaffs_Device *dev, yaffs_ChunkCache *cache,
|
|
int isAWrite)
|
|
{
|
|
|
|
@@ -3977,9 +4027,9 @@ static void yaffs_UseChunkCache(yaffs_De
|
|
if (dev->srLastUse < 0 || dev->srLastUse > 100000000) {
|
|
/* Reset the cache usages */
|
|
int i;
|
|
- for (i = 1; i < dev->nShortOpCaches; i++) {
|
|
+ for (i = 1; i < dev->nShortOpCaches; i++)
|
|
dev->srCache[i].lastUse = 0;
|
|
- }
|
|
+
|
|
dev->srLastUse = 0;
|
|
}
|
|
|
|
@@ -3987,9 +4037,8 @@ static void yaffs_UseChunkCache(yaffs_De
|
|
|
|
cache->lastUse = dev->srLastUse;
|
|
|
|
- if (isAWrite) {
|
|
+ if (isAWrite)
|
|
cache->dirty = 1;
|
|
- }
|
|
}
|
|
}
|
|
|
|
@@ -3997,21 +4046,20 @@ static void yaffs_UseChunkCache(yaffs_De
|
|
* 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_InvalidateChunkCache(yaffs_Object *object, int chunkId)
|
|
{
|
|
if (object->myDev->nShortOpCaches > 0) {
|
|
yaffs_ChunkCache *cache = yaffs_FindChunkCache(object, chunkId);
|
|
|
|
- if (cache) {
|
|
+ if (cache)
|
|
cache->object = NULL;
|
|
- }
|
|
}
|
|
}
|
|
|
|
/* 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_InvalidateWholeChunkCache(yaffs_Object *in)
|
|
{
|
|
int i;
|
|
yaffs_Device *dev = in->myDev;
|
|
@@ -4019,9 +4067,8 @@ static void yaffs_InvalidateWholeChunkCa
|
|
if (dev->nShortOpCaches > 0) {
|
|
/* Invalidate it. */
|
|
for (i = 0; i < dev->nShortOpCaches; i++) {
|
|
- if (dev->srCache[i].object == in) {
|
|
+ if (dev->srCache[i].object == in)
|
|
dev->srCache[i].object = NULL;
|
|
- }
|
|
}
|
|
}
|
|
}
|
|
@@ -4029,18 +4076,18 @@ static void yaffs_InvalidateWholeChunkCa
|
|
/*--------------------- Checkpointing --------------------*/
|
|
|
|
|
|
-static int yaffs_WriteCheckpointValidityMarker(yaffs_Device *dev,int head)
|
|
+static int yaffs_WriteCheckpointValidityMarker(yaffs_Device *dev, int head)
|
|
{
|
|
yaffs_CheckpointValidity cp;
|
|
|
|
- memset(&cp,0,sizeof(cp));
|
|
+ memset(&cp, 0, sizeof(cp));
|
|
|
|
cp.structType = sizeof(cp);
|
|
cp.magic = YAFFS_MAGIC;
|
|
cp.version = YAFFS_CHECKPOINT_VERSION;
|
|
cp.head = (head) ? 1 : 0;
|
|
|
|
- return (yaffs_CheckpointWrite(dev,&cp,sizeof(cp)) == sizeof(cp))?
|
|
+ return (yaffs_CheckpointWrite(dev, &cp, sizeof(cp)) == sizeof(cp)) ?
|
|
1 : 0;
|
|
}
|
|
|
|
@@ -4049,9 +4096,9 @@ static int yaffs_ReadCheckpointValidityM
|
|
yaffs_CheckpointValidity cp;
|
|
int ok;
|
|
|
|
- ok = (yaffs_CheckpointRead(dev,&cp,sizeof(cp)) == sizeof(cp));
|
|
+ ok = (yaffs_CheckpointRead(dev, &cp, sizeof(cp)) == sizeof(cp));
|
|
|
|
- if(ok)
|
|
+ if (ok)
|
|
ok = (cp.structType == sizeof(cp)) &&
|
|
(cp.magic == YAFFS_MAGIC) &&
|
|
(cp.version == YAFFS_CHECKPOINT_VERSION) &&
|
|
@@ -4100,21 +4147,21 @@ static int yaffs_WriteCheckpointDevice(y
|
|
int ok;
|
|
|
|
/* Write device runtime values*/
|
|
- yaffs_DeviceToCheckpointDevice(&cp,dev);
|
|
+ yaffs_DeviceToCheckpointDevice(&cp, dev);
|
|
cp.structType = sizeof(cp);
|
|
|
|
- ok = (yaffs_CheckpointWrite(dev,&cp,sizeof(cp)) == sizeof(cp));
|
|
+ ok = (yaffs_CheckpointWrite(dev, &cp, sizeof(cp)) == sizeof(cp));
|
|
|
|
/* Write block info */
|
|
- if(ok) {
|
|
+ if (ok) {
|
|
nBytes = nBlocks * sizeof(yaffs_BlockInfo);
|
|
- ok = (yaffs_CheckpointWrite(dev,dev->blockInfo,nBytes) == nBytes);
|
|
+ ok = (yaffs_CheckpointWrite(dev, dev->blockInfo, nBytes) == nBytes);
|
|
}
|
|
|
|
/* Write chunk bits */
|
|
- if(ok) {
|
|
+ if (ok) {
|
|
nBytes = nBlocks * dev->chunkBitmapStride;
|
|
- ok = (yaffs_CheckpointWrite(dev,dev->chunkBits,nBytes) == nBytes);
|
|
+ ok = (yaffs_CheckpointWrite(dev, dev->chunkBits, nBytes) == nBytes);
|
|
}
|
|
return ok ? 1 : 0;
|
|
|
|
@@ -4128,25 +4175,25 @@ static int yaffs_ReadCheckpointDevice(ya
|
|
|
|
int ok;
|
|
|
|
- ok = (yaffs_CheckpointRead(dev,&cp,sizeof(cp)) == sizeof(cp));
|
|
- if(!ok)
|
|
+ ok = (yaffs_CheckpointRead(dev, &cp, sizeof(cp)) == sizeof(cp));
|
|
+ if (!ok)
|
|
return 0;
|
|
|
|
- if(cp.structType != sizeof(cp))
|
|
+ if (cp.structType != sizeof(cp))
|
|
return 0;
|
|
|
|
|
|
- yaffs_CheckpointDeviceToDevice(dev,&cp);
|
|
+ yaffs_CheckpointDeviceToDevice(dev, &cp);
|
|
|
|
nBytes = nBlocks * sizeof(yaffs_BlockInfo);
|
|
|
|
- ok = (yaffs_CheckpointRead(dev,dev->blockInfo,nBytes) == nBytes);
|
|
+ ok = (yaffs_CheckpointRead(dev, dev->blockInfo, nBytes) == nBytes);
|
|
|
|
- if(!ok)
|
|
+ if (!ok)
|
|
return 0;
|
|
nBytes = nBlocks * dev->chunkBitmapStride;
|
|
|
|
- ok = (yaffs_CheckpointRead(dev,dev->chunkBits,nBytes) == nBytes);
|
|
+ ok = (yaffs_CheckpointRead(dev, dev->chunkBits, nBytes) == nBytes);
|
|
|
|
return ok ? 1 : 0;
|
|
}
|
|
@@ -4157,7 +4204,7 @@ static void yaffs_ObjectToCheckpointObje
|
|
|
|
cp->objectId = obj->objectId;
|
|
cp->parentId = (obj->parent) ? obj->parent->objectId : 0;
|
|
- cp->chunkId = obj->chunkId;
|
|
+ cp->hdrChunk = obj->hdrChunk;
|
|
cp->variantType = obj->variantType;
|
|
cp->deleted = obj->deleted;
|
|
cp->softDeleted = obj->softDeleted;
|
|
@@ -4168,20 +4215,28 @@ static void yaffs_ObjectToCheckpointObje
|
|
cp->serial = obj->serial;
|
|
cp->nDataChunks = obj->nDataChunks;
|
|
|
|
- if(obj->variantType == YAFFS_OBJECT_TYPE_FILE)
|
|
+ if (obj->variantType == YAFFS_OBJECT_TYPE_FILE)
|
|
cp->fileSizeOrEquivalentObjectId = obj->variant.fileVariant.fileSize;
|
|
- else if(obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK)
|
|
+ else if (obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK)
|
|
cp->fileSizeOrEquivalentObjectId = obj->variant.hardLinkVariant.equivalentObjectId;
|
|
}
|
|
|
|
-static void yaffs_CheckpointObjectToObject( yaffs_Object *obj,yaffs_CheckpointObject *cp)
|
|
+static int yaffs_CheckpointObjectToObject(yaffs_Object *obj, yaffs_CheckpointObject *cp)
|
|
{
|
|
|
|
yaffs_Object *parent;
|
|
|
|
+ if (obj->variantType != cp->variantType) {
|
|
+ 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));
|
|
+ return 0;
|
|
+ }
|
|
+
|
|
obj->objectId = cp->objectId;
|
|
|
|
- if(cp->parentId)
|
|
+ if (cp->parentId)
|
|
parent = yaffs_FindOrCreateObjectByNumber(
|
|
obj->myDev,
|
|
cp->parentId,
|
|
@@ -4189,10 +4244,19 @@ static void yaffs_CheckpointObjectToObje
|
|
else
|
|
parent = NULL;
|
|
|
|
- if(parent)
|
|
+ if (parent) {
|
|
+ if (parent->variantType != 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));
|
|
+ return 0;
|
|
+ }
|
|
yaffs_AddObjectToDirectory(parent, obj);
|
|
+ }
|
|
|
|
- obj->chunkId = cp->chunkId;
|
|
+ obj->hdrChunk = cp->hdrChunk;
|
|
obj->variantType = cp->variantType;
|
|
obj->deleted = cp->deleted;
|
|
obj->softDeleted = cp->softDeleted;
|
|
@@ -4203,29 +4267,34 @@ static void yaffs_CheckpointObjectToObje
|
|
obj->serial = cp->serial;
|
|
obj->nDataChunks = cp->nDataChunks;
|
|
|
|
- if(obj->variantType == YAFFS_OBJECT_TYPE_FILE)
|
|
+ if (obj->variantType == YAFFS_OBJECT_TYPE_FILE)
|
|
obj->variant.fileVariant.fileSize = cp->fileSizeOrEquivalentObjectId;
|
|
- else if(obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK)
|
|
+ else if (obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK)
|
|
obj->variant.hardLinkVariant.equivalentObjectId = cp->fileSizeOrEquivalentObjectId;
|
|
|
|
- if(obj->objectId >= YAFFS_NOBJECT_BUCKETS)
|
|
+ if (obj->hdrChunk > 0)
|
|
obj->lazyLoaded = 1;
|
|
+ return 1;
|
|
}
|
|
|
|
|
|
|
|
-static int yaffs_CheckpointTnodeWorker(yaffs_Object * in, yaffs_Tnode * tn,
|
|
- __u32 level, int chunkOffset)
|
|
+static int yaffs_CheckpointTnodeWorker(yaffs_Object *in, yaffs_Tnode *tn,
|
|
+ __u32 level, int chunkOffset)
|
|
{
|
|
int i;
|
|
yaffs_Device *dev = in->myDev;
|
|
int ok = 1;
|
|
- int nTnodeBytes = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8;
|
|
+ int tnodeSize = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8;
|
|
+
|
|
+ if (tnodeSize < sizeof(yaffs_Tnode))
|
|
+ tnodeSize = sizeof(yaffs_Tnode);
|
|
+
|
|
|
|
if (tn) {
|
|
if (level > 0) {
|
|
|
|
- for (i = 0; i < YAFFS_NTNODES_INTERNAL && ok; i++){
|
|
+ for (i = 0; i < YAFFS_NTNODES_INTERNAL && ok; i++) {
|
|
if (tn->internal[i]) {
|
|
ok = yaffs_CheckpointTnodeWorker(in,
|
|
tn->internal[i],
|
|
@@ -4235,10 +4304,9 @@ static int yaffs_CheckpointTnodeWorker(y
|
|
}
|
|
} else if (level == 0) {
|
|
__u32 baseOffset = chunkOffset << YAFFS_TNODES_LEVEL0_BITS;
|
|
- /* printf("write tnode at %d\n",baseOffset); */
|
|
- ok = (yaffs_CheckpointWrite(dev,&baseOffset,sizeof(baseOffset)) == sizeof(baseOffset));
|
|
- if(ok)
|
|
- ok = (yaffs_CheckpointWrite(dev,tn,nTnodeBytes) == nTnodeBytes);
|
|
+ ok = (yaffs_CheckpointWrite(dev, &baseOffset, sizeof(baseOffset)) == sizeof(baseOffset));
|
|
+ if (ok)
|
|
+ ok = (yaffs_CheckpointWrite(dev, tn, tnodeSize) == tnodeSize);
|
|
}
|
|
}
|
|
|
|
@@ -4251,13 +4319,13 @@ static int yaffs_WriteCheckpointTnodes(y
|
|
__u32 endMarker = ~0;
|
|
int ok = 1;
|
|
|
|
- if(obj->variantType == YAFFS_OBJECT_TYPE_FILE){
|
|
+ if (obj->variantType == YAFFS_OBJECT_TYPE_FILE) {
|
|
ok = yaffs_CheckpointTnodeWorker(obj,
|
|
obj->variant.fileVariant.top,
|
|
obj->variant.fileVariant.topLevel,
|
|
0);
|
|
- if(ok)
|
|
- ok = (yaffs_CheckpointWrite(obj->myDev,&endMarker,sizeof(endMarker)) ==
|
|
+ if (ok)
|
|
+ ok = (yaffs_CheckpointWrite(obj->myDev, &endMarker, sizeof(endMarker)) ==
|
|
sizeof(endMarker));
|
|
}
|
|
|
|
@@ -4272,38 +4340,38 @@ static int yaffs_ReadCheckpointTnodes(ya
|
|
yaffs_FileStructure *fileStructPtr = &obj->variant.fileVariant;
|
|
yaffs_Tnode *tn;
|
|
int nread = 0;
|
|
+ int tnodeSize = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8;
|
|
|
|
- ok = (yaffs_CheckpointRead(dev,&baseChunk,sizeof(baseChunk)) == sizeof(baseChunk));
|
|
+ if (tnodeSize < sizeof(yaffs_Tnode))
|
|
+ tnodeSize = sizeof(yaffs_Tnode);
|
|
|
|
- while(ok && (~baseChunk)){
|
|
+ ok = (yaffs_CheckpointRead(dev, &baseChunk, sizeof(baseChunk)) == sizeof(baseChunk));
|
|
+
|
|
+ while (ok && (~baseChunk)) {
|
|
nread++;
|
|
/* Read level 0 tnode */
|
|
|
|
|
|
- /* printf("read tnode at %d\n",baseChunk); */
|
|
tn = yaffs_GetTnodeRaw(dev);
|
|
- if(tn)
|
|
- ok = (yaffs_CheckpointRead(dev,tn,(dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8) ==
|
|
- (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8);
|
|
+ if (tn)
|
|
+ ok = (yaffs_CheckpointRead(dev, tn, tnodeSize) == tnodeSize);
|
|
else
|
|
ok = 0;
|
|
|
|
- if(tn && ok){
|
|
+ if (tn && ok)
|
|
ok = yaffs_AddOrFindLevel0Tnode(dev,
|
|
- fileStructPtr,
|
|
- baseChunk,
|
|
- tn) ? 1 : 0;
|
|
+ fileStructPtr,
|
|
+ baseChunk,
|
|
+ tn) ? 1 : 0;
|
|
|
|
- }
|
|
-
|
|
- if(ok)
|
|
- ok = (yaffs_CheckpointRead(dev,&baseChunk,sizeof(baseChunk)) == sizeof(baseChunk));
|
|
+ if (ok)
|
|
+ ok = (yaffs_CheckpointRead(dev, &baseChunk, sizeof(baseChunk)) == sizeof(baseChunk));
|
|
|
|
}
|
|
|
|
- T(YAFFS_TRACE_CHECKPOINT,(
|
|
+ T(YAFFS_TRACE_CHECKPOINT, (
|
|
TSTR("Checkpoint read tnodes %d records, last %d. ok %d" TENDSTR),
|
|
- nread,baseChunk,ok));
|
|
+ nread, baseChunk, ok));
|
|
|
|
return ok ? 1 : 0;
|
|
}
|
|
@@ -4315,41 +4383,40 @@ static int yaffs_WriteCheckpointObjects(
|
|
yaffs_CheckpointObject cp;
|
|
int i;
|
|
int ok = 1;
|
|
- struct list_head *lh;
|
|
+ struct ylist_head *lh;
|
|
|
|
|
|
/* Iterate through the objects in each hash entry,
|
|
* dumping them to the checkpointing stream.
|
|
*/
|
|
|
|
- for(i = 0; ok && i < YAFFS_NOBJECT_BUCKETS; i++){
|
|
- list_for_each(lh, &dev->objectBucket[i].list) {
|
|
+ for (i = 0; ok && i < YAFFS_NOBJECT_BUCKETS; i++) {
|
|
+ ylist_for_each(lh, &dev->objectBucket[i].list) {
|
|
if (lh) {
|
|
- obj = list_entry(lh, yaffs_Object, hashLink);
|
|
+ obj = ylist_entry(lh, yaffs_Object, hashLink);
|
|
if (!obj->deferedFree) {
|
|
- yaffs_ObjectToCheckpointObject(&cp,obj);
|
|
+ yaffs_ObjectToCheckpointObject(&cp, obj);
|
|
cp.structType = sizeof(cp);
|
|
|
|
- T(YAFFS_TRACE_CHECKPOINT,(
|
|
+ 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.chunkId,(unsigned) obj));
|
|
+ cp.objectId, cp.parentId, cp.variantType, cp.hdrChunk, (unsigned) obj));
|
|
|
|
- ok = (yaffs_CheckpointWrite(dev,&cp,sizeof(cp)) == sizeof(cp));
|
|
+ ok = (yaffs_CheckpointWrite(dev, &cp, sizeof(cp)) == sizeof(cp));
|
|
|
|
- if(ok && obj->variantType == YAFFS_OBJECT_TYPE_FILE){
|
|
+ if (ok && obj->variantType == YAFFS_OBJECT_TYPE_FILE)
|
|
ok = yaffs_WriteCheckpointTnodes(obj);
|
|
- }
|
|
}
|
|
}
|
|
}
|
|
- }
|
|
+ }
|
|
|
|
- /* Dump end of list */
|
|
- memset(&cp,0xFF,sizeof(yaffs_CheckpointObject));
|
|
+ /* Dump end of list */
|
|
+ memset(&cp, 0xFF, sizeof(yaffs_CheckpointObject));
|
|
cp.structType = sizeof(cp);
|
|
|
|
- if(ok)
|
|
- ok = (yaffs_CheckpointWrite(dev,&cp,sizeof(cp)) == sizeof(cp));
|
|
+ if (ok)
|
|
+ ok = (yaffs_CheckpointWrite(dev, &cp, sizeof(cp)) == sizeof(cp));
|
|
|
|
return ok ? 1 : 0;
|
|
}
|
|
@@ -4362,38 +4429,39 @@ static int yaffs_ReadCheckpointObjects(y
|
|
int done = 0;
|
|
yaffs_Object *hardList = NULL;
|
|
|
|
- while(ok && !done) {
|
|
- ok = (yaffs_CheckpointRead(dev,&cp,sizeof(cp)) == sizeof(cp));
|
|
- if(cp.structType != sizeof(cp)) {
|
|
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("struct size %d instead of %d ok %d"TENDSTR),
|
|
- cp.structType,sizeof(cp),ok));
|
|
+ while (ok && !done) {
|
|
+ ok = (yaffs_CheckpointRead(dev, &cp, sizeof(cp)) == sizeof(cp));
|
|
+ if (cp.structType != sizeof(cp)) {
|
|
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("struct size %d instead of %d ok %d"TENDSTR),
|
|
+ cp.structType, 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.chunkId));
|
|
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("Checkpoint read object %d parent %d type %d chunk %d " TENDSTR),
|
|
+ cp.objectId, cp.parentId, cp.variantType, cp.hdrChunk));
|
|
|
|
- if(ok && cp.objectId == ~0)
|
|
+ if (ok && cp.objectId == ~0)
|
|
done = 1;
|
|
- else if(ok){
|
|
- obj = yaffs_FindOrCreateObjectByNumber(dev,cp.objectId, cp.variantType);
|
|
- if(obj) {
|
|
- yaffs_CheckpointObjectToObject(obj,&cp);
|
|
- if(obj->variantType == YAFFS_OBJECT_TYPE_FILE) {
|
|
+ else if (ok) {
|
|
+ obj = yaffs_FindOrCreateObjectByNumber(dev, cp.objectId, cp.variantType);
|
|
+ if (obj) {
|
|
+ ok = yaffs_CheckpointObjectToObject(obj, &cp);
|
|
+ if (!ok)
|
|
+ break;
|
|
+ if (obj->variantType == YAFFS_OBJECT_TYPE_FILE) {
|
|
ok = yaffs_ReadCheckpointTnodes(obj);
|
|
- } else if(obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK) {
|
|
+ } else if (obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK) {
|
|
obj->hardLinks.next =
|
|
- (struct list_head *)
|
|
- hardList;
|
|
+ (struct ylist_head *) hardList;
|
|
hardList = obj;
|
|
}
|
|
-
|
|
- }
|
|
+ } else
|
|
+ ok = 0;
|
|
}
|
|
}
|
|
|
|
- if(ok)
|
|
- yaffs_HardlinkFixup(dev,hardList);
|
|
+ if (ok)
|
|
+ yaffs_HardlinkFixup(dev, hardList);
|
|
|
|
return ok ? 1 : 0;
|
|
}
|
|
@@ -4403,11 +4471,11 @@ static int yaffs_WriteCheckpointSum(yaff
|
|
__u32 checkpointSum;
|
|
int ok;
|
|
|
|
- yaffs_GetCheckpointSum(dev,&checkpointSum);
|
|
+ yaffs_GetCheckpointSum(dev, &checkpointSum);
|
|
|
|
- ok = (yaffs_CheckpointWrite(dev,&checkpointSum,sizeof(checkpointSum)) == sizeof(checkpointSum));
|
|
+ ok = (yaffs_CheckpointWrite(dev, &checkpointSum, sizeof(checkpointSum)) == sizeof(checkpointSum));
|
|
|
|
- if(!ok)
|
|
+ if (!ok)
|
|
return 0;
|
|
|
|
return 1;
|
|
@@ -4419,14 +4487,14 @@ static int yaffs_ReadCheckpointSum(yaffs
|
|
__u32 checkpointSum1;
|
|
int ok;
|
|
|
|
- yaffs_GetCheckpointSum(dev,&checkpointSum0);
|
|
+ yaffs_GetCheckpointSum(dev, &checkpointSum0);
|
|
|
|
- ok = (yaffs_CheckpointRead(dev,&checkpointSum1,sizeof(checkpointSum1)) == sizeof(checkpointSum1));
|
|
+ ok = (yaffs_CheckpointRead(dev, &checkpointSum1, sizeof(checkpointSum1)) == sizeof(checkpointSum1));
|
|
|
|
- if(!ok)
|
|
+ if (!ok)
|
|
return 0;
|
|
|
|
- if(checkpointSum0 != checkpointSum1)
|
|
+ if (checkpointSum0 != checkpointSum1)
|
|
return 0;
|
|
|
|
return 1;
|
|
@@ -4435,46 +4503,43 @@ static int yaffs_ReadCheckpointSum(yaffs
|
|
|
|
static int yaffs_WriteCheckpointData(yaffs_Device *dev)
|
|
{
|
|
-
|
|
int ok = 1;
|
|
|
|
- if(dev->skipCheckpointWrite || !dev->isYaffs2){
|
|
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("skipping checkpoint write" TENDSTR)));
|
|
+ if (dev->skipCheckpointWrite || !dev->isYaffs2) {
|
|
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("skipping checkpoint write" TENDSTR)));
|
|
ok = 0;
|
|
}
|
|
|
|
- if(ok)
|
|
- ok = yaffs_CheckpointOpen(dev,1);
|
|
+ if (ok)
|
|
+ ok = yaffs_CheckpointOpen(dev, 1);
|
|
|
|
- if(ok){
|
|
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("write checkpoint validity" TENDSTR)));
|
|
- ok = yaffs_WriteCheckpointValidityMarker(dev,1);
|
|
+ if (ok) {
|
|
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("write checkpoint validity" TENDSTR)));
|
|
+ ok = yaffs_WriteCheckpointValidityMarker(dev, 1);
|
|
}
|
|
- if(ok){
|
|
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("write checkpoint device" TENDSTR)));
|
|
+ if (ok) {
|
|
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("write checkpoint device" TENDSTR)));
|
|
ok = yaffs_WriteCheckpointDevice(dev);
|
|
}
|
|
- if(ok){
|
|
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("write checkpoint objects" TENDSTR)));
|
|
+ if (ok) {
|
|
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("write checkpoint objects" TENDSTR)));
|
|
ok = yaffs_WriteCheckpointObjects(dev);
|
|
}
|
|
- if(ok){
|
|
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("write checkpoint validity" TENDSTR)));
|
|
- ok = yaffs_WriteCheckpointValidityMarker(dev,0);
|
|
+ if (ok) {
|
|
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("write checkpoint validity" TENDSTR)));
|
|
+ ok = yaffs_WriteCheckpointValidityMarker(dev, 0);
|
|
}
|
|
|
|
- if(ok){
|
|
+ if (ok)
|
|
ok = yaffs_WriteCheckpointSum(dev);
|
|
- }
|
|
-
|
|
|
|
- if(!yaffs_CheckpointClose(dev))
|
|
- ok = 0;
|
|
+ if (!yaffs_CheckpointClose(dev))
|
|
+ ok = 0;
|
|
|
|
- if(ok)
|
|
- dev->isCheckpointed = 1;
|
|
- else
|
|
- dev->isCheckpointed = 0;
|
|
+ if (ok)
|
|
+ dev->isCheckpointed = 1;
|
|
+ else
|
|
+ dev->isCheckpointed = 0;
|
|
|
|
return dev->isCheckpointed;
|
|
}
|
|
@@ -4483,43 +4548,43 @@ static int yaffs_ReadCheckpointData(yaff
|
|
{
|
|
int ok = 1;
|
|
|
|
- if(dev->skipCheckpointRead || !dev->isYaffs2){
|
|
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("skipping checkpoint read" TENDSTR)));
|
|
+ if (dev->skipCheckpointRead || !dev->isYaffs2) {
|
|
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("skipping checkpoint read" TENDSTR)));
|
|
ok = 0;
|
|
}
|
|
|
|
- if(ok)
|
|
- ok = yaffs_CheckpointOpen(dev,0); /* open for read */
|
|
+ if (ok)
|
|
+ ok = yaffs_CheckpointOpen(dev, 0); /* open for read */
|
|
|
|
- if(ok){
|
|
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("read checkpoint validity" TENDSTR)));
|
|
- ok = yaffs_ReadCheckpointValidityMarker(dev,1);
|
|
+ if (ok) {
|
|
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("read checkpoint validity" TENDSTR)));
|
|
+ ok = yaffs_ReadCheckpointValidityMarker(dev, 1);
|
|
}
|
|
- if(ok){
|
|
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("read checkpoint device" TENDSTR)));
|
|
+ if (ok) {
|
|
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("read checkpoint device" TENDSTR)));
|
|
ok = yaffs_ReadCheckpointDevice(dev);
|
|
}
|
|
- if(ok){
|
|
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("read checkpoint objects" TENDSTR)));
|
|
+ if (ok) {
|
|
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("read checkpoint objects" TENDSTR)));
|
|
ok = yaffs_ReadCheckpointObjects(dev);
|
|
}
|
|
- if(ok){
|
|
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("read checkpoint validity" TENDSTR)));
|
|
- ok = yaffs_ReadCheckpointValidityMarker(dev,0);
|
|
+ if (ok) {
|
|
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("read checkpoint validity" TENDSTR)));
|
|
+ ok = yaffs_ReadCheckpointValidityMarker(dev, 0);
|
|
}
|
|
|
|
- if(ok){
|
|
+ if (ok) {
|
|
ok = yaffs_ReadCheckpointSum(dev);
|
|
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("read checkpoint checksum %d" TENDSTR),ok));
|
|
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("read checkpoint checksum %d" TENDSTR), ok));
|
|
}
|
|
|
|
- if(!yaffs_CheckpointClose(dev))
|
|
+ if (!yaffs_CheckpointClose(dev))
|
|
ok = 0;
|
|
|
|
- if(ok)
|
|
- dev->isCheckpointed = 1;
|
|
- else
|
|
- dev->isCheckpointed = 0;
|
|
+ if (ok)
|
|
+ dev->isCheckpointed = 1;
|
|
+ else
|
|
+ dev->isCheckpointed = 0;
|
|
|
|
return ok ? 1 : 0;
|
|
|
|
@@ -4527,11 +4592,11 @@ static int yaffs_ReadCheckpointData(yaff
|
|
|
|
static void yaffs_InvalidateCheckpoint(yaffs_Device *dev)
|
|
{
|
|
- if(dev->isCheckpointed ||
|
|
- dev->blocksInCheckpoint > 0){
|
|
+ if (dev->isCheckpointed ||
|
|
+ dev->blocksInCheckpoint > 0) {
|
|
dev->isCheckpointed = 0;
|
|
yaffs_CheckpointInvalidateStream(dev);
|
|
- if(dev->superBlock && dev->markSuperBlockDirty)
|
|
+ if (dev->superBlock && dev->markSuperBlockDirty)
|
|
dev->markSuperBlockDirty(dev->superBlock);
|
|
}
|
|
}
|
|
@@ -4540,18 +4605,18 @@ static void yaffs_InvalidateCheckpoint(y
|
|
int yaffs_CheckpointSave(yaffs_Device *dev)
|
|
{
|
|
|
|
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("save entry: isCheckpointed %d"TENDSTR),dev->isCheckpointed));
|
|
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("save entry: isCheckpointed %d"TENDSTR), dev->isCheckpointed));
|
|
|
|
yaffs_VerifyObjects(dev);
|
|
yaffs_VerifyBlocks(dev);
|
|
yaffs_VerifyFreeChunks(dev);
|
|
|
|
- if(!dev->isCheckpointed) {
|
|
+ if (!dev->isCheckpointed) {
|
|
yaffs_InvalidateCheckpoint(dev);
|
|
yaffs_WriteCheckpointData(dev);
|
|
}
|
|
|
|
- T(YAFFS_TRACE_ALWAYS,(TSTR("save exit: isCheckpointed %d"TENDSTR),dev->isCheckpointed));
|
|
+ T(YAFFS_TRACE_ALWAYS, (TSTR("save exit: isCheckpointed %d"TENDSTR), dev->isCheckpointed));
|
|
|
|
return dev->isCheckpointed;
|
|
}
|
|
@@ -4559,17 +4624,17 @@ int yaffs_CheckpointSave(yaffs_Device *d
|
|
int yaffs_CheckpointRestore(yaffs_Device *dev)
|
|
{
|
|
int retval;
|
|
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("restore entry: isCheckpointed %d"TENDSTR),dev->isCheckpointed));
|
|
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("restore entry: isCheckpointed %d"TENDSTR), dev->isCheckpointed));
|
|
|
|
retval = yaffs_ReadCheckpointData(dev);
|
|
|
|
- if(dev->isCheckpointed){
|
|
+ if (dev->isCheckpointed) {
|
|
yaffs_VerifyObjects(dev);
|
|
yaffs_VerifyBlocks(dev);
|
|
yaffs_VerifyFreeChunks(dev);
|
|
}
|
|
|
|
- T(YAFFS_TRACE_CHECKPOINT,(TSTR("restore exit: isCheckpointed %d"TENDSTR),dev->isCheckpointed));
|
|
+ T(YAFFS_TRACE_CHECKPOINT, (TSTR("restore exit: isCheckpointed %d"TENDSTR), dev->isCheckpointed));
|
|
|
|
return retval;
|
|
}
|
|
@@ -4584,12 +4649,12 @@ int yaffs_CheckpointRestore(yaffs_Device
|
|
* Curve-balls: the first chunk might also be the last chunk.
|
|
*/
|
|
|
|
-int yaffs_ReadDataFromFile(yaffs_Object * in, __u8 * buffer, loff_t offset,
|
|
- int nBytes)
|
|
+int yaffs_ReadDataFromFile(yaffs_Object *in, __u8 *buffer, loff_t offset,
|
|
+ int nBytes)
|
|
{
|
|
|
|
int chunk;
|
|
- int start;
|
|
+ __u32 start;
|
|
int nToCopy;
|
|
int n = nBytes;
|
|
int nDone = 0;
|
|
@@ -4600,27 +4665,26 @@ int yaffs_ReadDataFromFile(yaffs_Object
|
|
dev = in->myDev;
|
|
|
|
while (n > 0) {
|
|
- //chunk = offset / dev->nDataBytesPerChunk + 1;
|
|
- //start = offset % dev->nDataBytesPerChunk;
|
|
- yaffs_AddrToChunk(dev,offset,&chunk,&start);
|
|
+ /* chunk = offset / dev->nDataBytesPerChunk + 1; */
|
|
+ /* start = offset % dev->nDataBytesPerChunk; */
|
|
+ yaffs_AddrToChunk(dev, offset, &chunk, &start);
|
|
chunk++;
|
|
|
|
/* 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->nDataBytesPerChunk)
|
|
nToCopy = n;
|
|
- } else {
|
|
+ else
|
|
nToCopy = dev->nDataBytesPerChunk - start;
|
|
- }
|
|
|
|
cache = yaffs_FindChunkCache(in, chunk);
|
|
|
|
/* If the chunk is already in the cache or it is less than a whole chunk
|
|
- * then use the cache (if there is caching)
|
|
+ * or we're using inband tags then use the cache (if there is caching)
|
|
* else bypass the cache.
|
|
*/
|
|
- if (cache || nToCopy != dev->nDataBytesPerChunk) {
|
|
+ if (cache || nToCopy != dev->nDataBytesPerChunk || dev->inbandTags) {
|
|
if (dev->nShortOpCaches > 0) {
|
|
|
|
/* If we can't find the data in the cache, then load it up. */
|
|
@@ -4641,14 +4705,9 @@ int yaffs_ReadDataFromFile(yaffs_Object
|
|
|
|
cache->locked = 1;
|
|
|
|
-#ifdef CONFIG_YAFFS_WINCE
|
|
- yfsd_UnlockYAFFS(TRUE);
|
|
-#endif
|
|
+
|
|
memcpy(buffer, &cache->data[start], nToCopy);
|
|
|
|
-#ifdef CONFIG_YAFFS_WINCE
|
|
- yfsd_LockYAFFS(TRUE);
|
|
-#endif
|
|
cache->locked = 0;
|
|
} else {
|
|
/* Read into the local buffer then copy..*/
|
|
@@ -4657,41 +4716,19 @@ int yaffs_ReadDataFromFile(yaffs_Object
|
|
yaffs_GetTempBuffer(dev, __LINE__);
|
|
yaffs_ReadChunkDataFromObject(in, chunk,
|
|
localBuffer);
|
|
-#ifdef CONFIG_YAFFS_WINCE
|
|
- yfsd_UnlockYAFFS(TRUE);
|
|
-#endif
|
|
+
|
|
memcpy(buffer, &localBuffer[start], nToCopy);
|
|
|
|
-#ifdef CONFIG_YAFFS_WINCE
|
|
- yfsd_LockYAFFS(TRUE);
|
|
-#endif
|
|
+
|
|
yaffs_ReleaseTempBuffer(dev, localBuffer,
|
|
__LINE__);
|
|
}
|
|
|
|
} else {
|
|
-#ifdef CONFIG_YAFFS_WINCE
|
|
- __u8 *localBuffer = yaffs_GetTempBuffer(dev, __LINE__);
|
|
-
|
|
- /* Under WinCE can't do direct transfer. Need to use a local buffer.
|
|
- * This is because we otherwise screw up WinCE's memory mapper
|
|
- */
|
|
- yaffs_ReadChunkDataFromObject(in, chunk, localBuffer);
|
|
-
|
|
-#ifdef CONFIG_YAFFS_WINCE
|
|
- yfsd_UnlockYAFFS(TRUE);
|
|
-#endif
|
|
- memcpy(buffer, localBuffer, dev->nDataBytesPerChunk);
|
|
|
|
-#ifdef CONFIG_YAFFS_WINCE
|
|
- yfsd_LockYAFFS(TRUE);
|
|
- yaffs_ReleaseTempBuffer(dev, localBuffer, __LINE__);
|
|
-#endif
|
|
-
|
|
-#else
|
|
/* A full chunk. Read directly into the supplied buffer. */
|
|
yaffs_ReadChunkDataFromObject(in, chunk, buffer);
|
|
-#endif
|
|
+
|
|
}
|
|
|
|
n -= nToCopy;
|
|
@@ -4704,28 +4741,37 @@ int yaffs_ReadDataFromFile(yaffs_Object
|
|
return nDone;
|
|
}
|
|
|
|
-int yaffs_WriteDataToFile(yaffs_Object * in, const __u8 * buffer, loff_t offset,
|
|
- int nBytes, int writeThrough)
|
|
+int yaffs_WriteDataToFile(yaffs_Object *in, const __u8 *buffer, loff_t offset,
|
|
+ int nBytes, int writeThrough)
|
|
{
|
|
|
|
int chunk;
|
|
- int start;
|
|
+ __u32 start;
|
|
int nToCopy;
|
|
int n = nBytes;
|
|
int nDone = 0;
|
|
int nToWriteBack;
|
|
int startOfWrite = offset;
|
|
int chunkWritten = 0;
|
|
- int nBytesRead;
|
|
+ __u32 nBytesRead;
|
|
+ __u32 chunkStart;
|
|
|
|
yaffs_Device *dev;
|
|
|
|
dev = in->myDev;
|
|
|
|
while (n > 0 && chunkWritten >= 0) {
|
|
- //chunk = offset / dev->nDataBytesPerChunk + 1;
|
|
- //start = offset % dev->nDataBytesPerChunk;
|
|
- yaffs_AddrToChunk(dev,offset,&chunk,&start);
|
|
+ /* chunk = offset / dev->nDataBytesPerChunk + 1; */
|
|
+ /* start = offset % dev->nDataBytesPerChunk; */
|
|
+ yaffs_AddrToChunk(dev, offset, &chunk, &start);
|
|
+
|
|
+ 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++;
|
|
|
|
/* OK now check for the curveball where the start and end are in
|
|
@@ -4740,25 +4786,32 @@ int yaffs_WriteDataToFile(yaffs_Object *
|
|
* we need to write back as much as was there before.
|
|
*/
|
|
|
|
- nBytesRead =
|
|
- in->variant.fileVariant.fileSize -
|
|
- ((chunk - 1) * dev->nDataBytesPerChunk);
|
|
+ chunkStart = ((chunk - 1) * dev->nDataBytesPerChunk);
|
|
+
|
|
+ if (chunkStart > in->variant.fileVariant.fileSize)
|
|
+ nBytesRead = 0; /* Past end of file */
|
|
+ else
|
|
+ nBytesRead = in->variant.fileVariant.fileSize - chunkStart;
|
|
|
|
- if (nBytesRead > dev->nDataBytesPerChunk) {
|
|
+ if (nBytesRead > dev->nDataBytesPerChunk)
|
|
nBytesRead = dev->nDataBytesPerChunk;
|
|
- }
|
|
|
|
nToWriteBack =
|
|
(nBytesRead >
|
|
(start + n)) ? nBytesRead : (start + n);
|
|
|
|
+ if (nToWriteBack < 0 || nToWriteBack > dev->nDataBytesPerChunk)
|
|
+ YBUG();
|
|
+
|
|
} else {
|
|
nToCopy = dev->nDataBytesPerChunk - start;
|
|
nToWriteBack = dev->nDataBytesPerChunk;
|
|
}
|
|
|
|
- if (nToCopy != dev->nDataBytesPerChunk) {
|
|
- /* An incomplete start or end chunk (or maybe both start and end chunk) */
|
|
+ if (nToCopy != dev->nDataBytesPerChunk || dev->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->nShortOpCaches > 0) {
|
|
yaffs_ChunkCache *cache;
|
|
/* If we can't find the data in the cache, then load the cache */
|
|
@@ -4775,10 +4828,9 @@ int yaffs_WriteDataToFile(yaffs_Object *
|
|
yaffs_ReadChunkDataFromObject(in, chunk,
|
|
cache->
|
|
data);
|
|
- }
|
|
- else if(cache &&
|
|
- !cache->dirty &&
|
|
- !yaffs_CheckSpaceForAllocation(in->myDev)){
|
|
+ } else if (cache &&
|
|
+ !cache->dirty &&
|
|
+ !yaffs_CheckSpaceForAllocation(in->myDev)) {
|
|
/* Drop the cache if it was a read cache item and
|
|
* no space check has been made for it.
|
|
*/
|
|
@@ -4788,16 +4840,12 @@ int yaffs_WriteDataToFile(yaffs_Object *
|
|
if (cache) {
|
|
yaffs_UseChunkCache(dev, cache, 1);
|
|
cache->locked = 1;
|
|
-#ifdef CONFIG_YAFFS_WINCE
|
|
- yfsd_UnlockYAFFS(TRUE);
|
|
-#endif
|
|
+
|
|
|
|
memcpy(&cache->data[start], buffer,
|
|
nToCopy);
|
|
|
|
-#ifdef CONFIG_YAFFS_WINCE
|
|
- yfsd_LockYAFFS(TRUE);
|
|
-#endif
|
|
+
|
|
cache->locked = 0;
|
|
cache->nBytes = nToWriteBack;
|
|
|
|
@@ -4825,15 +4873,10 @@ int yaffs_WriteDataToFile(yaffs_Object *
|
|
yaffs_ReadChunkDataFromObject(in, chunk,
|
|
localBuffer);
|
|
|
|
-#ifdef CONFIG_YAFFS_WINCE
|
|
- yfsd_UnlockYAFFS(TRUE);
|
|
-#endif
|
|
+
|
|
|
|
memcpy(&localBuffer[start], buffer, nToCopy);
|
|
|
|
-#ifdef CONFIG_YAFFS_WINCE
|
|
- yfsd_LockYAFFS(TRUE);
|
|
-#endif
|
|
chunkWritten =
|
|
yaffs_WriteChunkDataToObject(in, chunk,
|
|
localBuffer,
|
|
@@ -4846,31 +4889,15 @@ int yaffs_WriteDataToFile(yaffs_Object *
|
|
}
|
|
|
|
} else {
|
|
-
|
|
-#ifdef CONFIG_YAFFS_WINCE
|
|
- /* Under WinCE can't do direct transfer. Need to use a local buffer.
|
|
- * This is because we otherwise screw up WinCE's memory mapper
|
|
- */
|
|
- __u8 *localBuffer = yaffs_GetTempBuffer(dev, __LINE__);
|
|
-#ifdef CONFIG_YAFFS_WINCE
|
|
- yfsd_UnlockYAFFS(TRUE);
|
|
-#endif
|
|
- memcpy(localBuffer, buffer, dev->nDataBytesPerChunk);
|
|
-#ifdef CONFIG_YAFFS_WINCE
|
|
- yfsd_LockYAFFS(TRUE);
|
|
-#endif
|
|
- chunkWritten =
|
|
- yaffs_WriteChunkDataToObject(in, chunk, localBuffer,
|
|
- dev->nDataBytesPerChunk,
|
|
- 0);
|
|
- yaffs_ReleaseTempBuffer(dev, localBuffer, __LINE__);
|
|
-#else
|
|
/* A full chunk. Write directly from the supplied buffer. */
|
|
+
|
|
+
|
|
+
|
|
chunkWritten =
|
|
yaffs_WriteChunkDataToObject(in, chunk, buffer,
|
|
dev->nDataBytesPerChunk,
|
|
0);
|
|
-#endif
|
|
+
|
|
/* Since we've overwritten the cached data, we better invalidate it. */
|
|
yaffs_InvalidateChunkCache(in, chunk);
|
|
}
|
|
@@ -4886,9 +4913,8 @@ int yaffs_WriteDataToFile(yaffs_Object *
|
|
|
|
/* Update file object */
|
|
|
|
- if ((startOfWrite + nDone) > in->variant.fileVariant.fileSize) {
|
|
+ if ((startOfWrite + nDone) > in->variant.fileVariant.fileSize)
|
|
in->variant.fileVariant.fileSize = (startOfWrite + nDone);
|
|
- }
|
|
|
|
in->dirty = 1;
|
|
|
|
@@ -4898,7 +4924,7 @@ int yaffs_WriteDataToFile(yaffs_Object *
|
|
|
|
/* ---------------------- File resizing stuff ------------------ */
|
|
|
|
-static void yaffs_PruneResizedChunks(yaffs_Object * in, int newSize)
|
|
+static void yaffs_PruneResizedChunks(yaffs_Object *in, int newSize)
|
|
{
|
|
|
|
yaffs_Device *dev = in->myDev;
|
|
@@ -4939,11 +4965,11 @@ static void yaffs_PruneResizedChunks(yaf
|
|
|
|
}
|
|
|
|
-int yaffs_ResizeFile(yaffs_Object * in, loff_t newSize)
|
|
+int yaffs_ResizeFile(yaffs_Object *in, loff_t newSize)
|
|
{
|
|
|
|
int oldFileSize = in->variant.fileVariant.fileSize;
|
|
- int newSizeOfPartialChunk;
|
|
+ __u32 newSizeOfPartialChunk;
|
|
int newFullChunks;
|
|
|
|
yaffs_Device *dev = in->myDev;
|
|
@@ -4955,13 +4981,11 @@ int yaffs_ResizeFile(yaffs_Object * in,
|
|
|
|
yaffs_CheckGarbageCollection(dev);
|
|
|
|
- if (in->variantType != YAFFS_OBJECT_TYPE_FILE) {
|
|
- return yaffs_GetFileSize(in);
|
|
- }
|
|
+ if (in->variantType != YAFFS_OBJECT_TYPE_FILE)
|
|
+ return YAFFS_FAIL;
|
|
|
|
- if (newSize == oldFileSize) {
|
|
- return oldFileSize;
|
|
- }
|
|
+ if (newSize == oldFileSize)
|
|
+ return YAFFS_OK;
|
|
|
|
if (newSize < oldFileSize) {
|
|
|
|
@@ -4994,21 +5018,20 @@ int yaffs_ResizeFile(yaffs_Object * in,
|
|
}
|
|
|
|
|
|
-
|
|
/* Write a new object header.
|
|
* show we've shrunk the file, if need be
|
|
* Do this only if the file is not in the deleted directories.
|
|
*/
|
|
- if (in->parent->objectId != YAFFS_OBJECTID_UNLINKED &&
|
|
- in->parent->objectId != YAFFS_OBJECTID_DELETED) {
|
|
+ if (in->parent &&
|
|
+ in->parent->objectId != YAFFS_OBJECTID_UNLINKED &&
|
|
+ in->parent->objectId != YAFFS_OBJECTID_DELETED)
|
|
yaffs_UpdateObjectHeader(in, NULL, 0,
|
|
(newSize < oldFileSize) ? 1 : 0, 0);
|
|
- }
|
|
|
|
- return newSize;
|
|
+ return YAFFS_OK;
|
|
}
|
|
|
|
-loff_t yaffs_GetFileSize(yaffs_Object * obj)
|
|
+loff_t yaffs_GetFileSize(yaffs_Object *obj)
|
|
{
|
|
obj = yaffs_GetEquivalentObject(obj);
|
|
|
|
@@ -5024,7 +5047,7 @@ loff_t yaffs_GetFileSize(yaffs_Object *
|
|
|
|
|
|
|
|
-int yaffs_FlushFile(yaffs_Object * in, int updateTime)
|
|
+int yaffs_FlushFile(yaffs_Object *in, int updateTime)
|
|
{
|
|
int retVal;
|
|
if (in->dirty) {
|
|
@@ -5039,9 +5062,8 @@ int yaffs_FlushFile(yaffs_Object * in, i
|
|
#endif
|
|
}
|
|
|
|
- retVal =
|
|
- (yaffs_UpdateObjectHeader(in, NULL, 0, 0, 0) >=
|
|
- 0) ? YAFFS_OK : YAFFS_FAIL;
|
|
+ retVal = (yaffs_UpdateObjectHeader(in, NULL, 0, 0, 0) >=
|
|
+ 0) ? YAFFS_OK : YAFFS_FAIL;
|
|
} else {
|
|
retVal = YAFFS_OK;
|
|
}
|
|
@@ -5050,7 +5072,7 @@ int yaffs_FlushFile(yaffs_Object * in, i
|
|
|
|
}
|
|
|
|
-static int yaffs_DoGenericObjectDeletion(yaffs_Object * in)
|
|
+static int yaffs_DoGenericObjectDeletion(yaffs_Object *in)
|
|
{
|
|
|
|
/* First off, invalidate the file's data in the cache, without flushing. */
|
|
@@ -5058,13 +5080,13 @@ static int yaffs_DoGenericObjectDeletion
|
|
|
|
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,"deleted", 0, 0);
|
|
+ yaffs_ChangeObjectName(in, in->myDev->deletedDir, _Y("deleted"), 0, 0);
|
|
|
|
}
|
|
|
|
yaffs_RemoveObjectFromDirectory(in);
|
|
- yaffs_DeleteChunk(in->myDev, in->chunkId, 1, __LINE__);
|
|
- in->chunkId = -1;
|
|
+ yaffs_DeleteChunk(in->myDev, in->hdrChunk, 1, __LINE__);
|
|
+ in->hdrChunk = 0;
|
|
|
|
yaffs_FreeObject(in);
|
|
return YAFFS_OK;
|
|
@@ -5075,62 +5097,63 @@ static int yaffs_DoGenericObjectDeletion
|
|
* and the inode associated with the file.
|
|
* It does not delete the links associated with the file.
|
|
*/
|
|
-static int yaffs_UnlinkFile(yaffs_Object * in)
|
|
+static int yaffs_UnlinkFileIfNeeded(yaffs_Object *in)
|
|
{
|
|
|
|
int retVal;
|
|
int immediateDeletion = 0;
|
|
|
|
- if (1) {
|
|
#ifdef __KERNEL__
|
|
- if (!in->myInode) {
|
|
- immediateDeletion = 1;
|
|
-
|
|
- }
|
|
+ if (!in->myInode)
|
|
+ immediateDeletion = 1;
|
|
#else
|
|
- if (in->inUse <= 0) {
|
|
- immediateDeletion = 1;
|
|
-
|
|
- }
|
|
+ if (in->inUse <= 0)
|
|
+ immediateDeletion = 1;
|
|
#endif
|
|
- if (immediateDeletion) {
|
|
- retVal =
|
|
- yaffs_ChangeObjectName(in, in->myDev->deletedDir,
|
|
- "deleted", 0, 0);
|
|
- T(YAFFS_TRACE_TRACING,
|
|
- (TSTR("yaffs: immediate deletion of file %d" TENDSTR),
|
|
- in->objectId));
|
|
- in->deleted = 1;
|
|
- in->myDev->nDeletedFiles++;
|
|
- if (0 && in->myDev->isYaffs2) {
|
|
- yaffs_ResizeFile(in, 0);
|
|
- }
|
|
- yaffs_SoftDeleteFile(in);
|
|
- } else {
|
|
- retVal =
|
|
- yaffs_ChangeObjectName(in, in->myDev->unlinkedDir,
|
|
- "unlinked", 0, 0);
|
|
- }
|
|
|
|
+ if (immediateDeletion) {
|
|
+ retVal =
|
|
+ yaffs_ChangeObjectName(in, in->myDev->deletedDir,
|
|
+ _Y("deleted"), 0, 0);
|
|
+ T(YAFFS_TRACE_TRACING,
|
|
+ (TSTR("yaffs: immediate deletion of file %d" TENDSTR),
|
|
+ in->objectId));
|
|
+ in->deleted = 1;
|
|
+ in->myDev->nDeletedFiles++;
|
|
+ if (1 || in->myDev->isYaffs2)
|
|
+ yaffs_ResizeFile(in, 0);
|
|
+ yaffs_SoftDeleteFile(in);
|
|
+ } else {
|
|
+ retVal =
|
|
+ yaffs_ChangeObjectName(in, in->myDev->unlinkedDir,
|
|
+ _Y("unlinked"), 0, 0);
|
|
}
|
|
+
|
|
+
|
|
return retVal;
|
|
}
|
|
|
|
-int yaffs_DeleteFile(yaffs_Object * in)
|
|
+int yaffs_DeleteFile(yaffs_Object *in)
|
|
{
|
|
int retVal = YAFFS_OK;
|
|
+ int deleted = in->deleted;
|
|
+
|
|
+ yaffs_ResizeFile(in, 0);
|
|
|
|
if (in->nDataChunks > 0) {
|
|
- /* Use soft deletion if there is data in the file */
|
|
- if (!in->unlinked) {
|
|
- retVal = yaffs_UnlinkFile(in);
|
|
- }
|
|
+ /* 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);
|
|
+
|
|
if (retVal == YAFFS_OK && in->unlinked && !in->deleted) {
|
|
in->deleted = 1;
|
|
+ deleted = 1;
|
|
in->myDev->nDeletedFiles++;
|
|
yaffs_SoftDeleteFile(in);
|
|
}
|
|
- return in->deleted ? YAFFS_OK : YAFFS_FAIL;
|
|
+ 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);
|
|
@@ -5141,62 +5164,75 @@ int yaffs_DeleteFile(yaffs_Object * in)
|
|
}
|
|
}
|
|
|
|
-static int yaffs_DeleteDirectory(yaffs_Object * in)
|
|
+static int yaffs_DeleteDirectory(yaffs_Object *in)
|
|
{
|
|
/* First check that the directory is empty. */
|
|
- if (list_empty(&in->variant.directoryVariant.children)) {
|
|
+ if (ylist_empty(&in->variant.directoryVariant.children))
|
|
return yaffs_DoGenericObjectDeletion(in);
|
|
- }
|
|
|
|
return YAFFS_FAIL;
|
|
|
|
}
|
|
|
|
-static int yaffs_DeleteSymLink(yaffs_Object * in)
|
|
+static int yaffs_DeleteSymLink(yaffs_Object *in)
|
|
{
|
|
YFREE(in->variant.symLinkVariant.alias);
|
|
|
|
return yaffs_DoGenericObjectDeletion(in);
|
|
}
|
|
|
|
-static int yaffs_DeleteHardLink(yaffs_Object * in)
|
|
+static int yaffs_DeleteHardLink(yaffs_Object *in)
|
|
{
|
|
/* remove this hardlink from the list assocaited with the equivalent
|
|
* object
|
|
*/
|
|
- list_del(&in->hardLinks);
|
|
+ ylist_del_init(&in->hardLinks);
|
|
return yaffs_DoGenericObjectDeletion(in);
|
|
}
|
|
|
|
-static void yaffs_DestroyObject(yaffs_Object * obj)
|
|
+int yaffs_DeleteObject(yaffs_Object *obj)
|
|
{
|
|
+int retVal = -1;
|
|
switch (obj->variantType) {
|
|
case YAFFS_OBJECT_TYPE_FILE:
|
|
- yaffs_DeleteFile(obj);
|
|
+ retVal = yaffs_DeleteFile(obj);
|
|
break;
|
|
case YAFFS_OBJECT_TYPE_DIRECTORY:
|
|
- yaffs_DeleteDirectory(obj);
|
|
+ return yaffs_DeleteDirectory(obj);
|
|
break;
|
|
case YAFFS_OBJECT_TYPE_SYMLINK:
|
|
- yaffs_DeleteSymLink(obj);
|
|
+ retVal = yaffs_DeleteSymLink(obj);
|
|
break;
|
|
case YAFFS_OBJECT_TYPE_HARDLINK:
|
|
- yaffs_DeleteHardLink(obj);
|
|
+ retVal = yaffs_DeleteHardLink(obj);
|
|
break;
|
|
case YAFFS_OBJECT_TYPE_SPECIAL:
|
|
- yaffs_DoGenericObjectDeletion(obj);
|
|
+ retVal = yaffs_DoGenericObjectDeletion(obj);
|
|
break;
|
|
case YAFFS_OBJECT_TYPE_UNKNOWN:
|
|
+ retVal = 0;
|
|
break; /* should not happen. */
|
|
}
|
|
+
|
|
+ return retVal;
|
|
}
|
|
|
|
-static int yaffs_UnlinkWorker(yaffs_Object * obj)
|
|
+static int yaffs_UnlinkWorker(yaffs_Object *obj)
|
|
{
|
|
|
|
+ int immediateDeletion = 0;
|
|
+
|
|
+#ifdef __KERNEL__
|
|
+ if (!obj->myInode)
|
|
+ immediateDeletion = 1;
|
|
+#else
|
|
+ if (obj->inUse <= 0)
|
|
+ immediateDeletion = 1;
|
|
+#endif
|
|
+
|
|
if (obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK) {
|
|
return yaffs_DeleteHardLink(obj);
|
|
- } else if (!list_empty(&obj->hardLinks)) {
|
|
+ } 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
|
|
@@ -5215,24 +5251,24 @@ static int yaffs_UnlinkWorker(yaffs_Obje
|
|
int retVal;
|
|
YCHAR name[YAFFS_MAX_NAME_LENGTH + 1];
|
|
|
|
- hl = list_entry(obj->hardLinks.next, yaffs_Object, hardLinks);
|
|
+ hl = ylist_entry(obj->hardLinks.next, yaffs_Object, hardLinks);
|
|
|
|
- list_del_init(&hl->hardLinks);
|
|
- list_del_init(&hl->siblings);
|
|
+ ylist_del_init(&hl->hardLinks);
|
|
+ ylist_del_init(&hl->siblings);
|
|
|
|
yaffs_GetObjectName(hl, name, YAFFS_MAX_NAME_LENGTH + 1);
|
|
|
|
retVal = yaffs_ChangeObjectName(obj, hl->parent, name, 0, 0);
|
|
|
|
- if (retVal == YAFFS_OK) {
|
|
+ if (retVal == YAFFS_OK)
|
|
retVal = yaffs_DoGenericObjectDeletion(hl);
|
|
- }
|
|
+
|
|
return retVal;
|
|
|
|
- } else {
|
|
+ } else if (immediateDeletion) {
|
|
switch (obj->variantType) {
|
|
case YAFFS_OBJECT_TYPE_FILE:
|
|
- return yaffs_UnlinkFile(obj);
|
|
+ return yaffs_DeleteFile(obj);
|
|
break;
|
|
case YAFFS_OBJECT_TYPE_DIRECTORY:
|
|
return yaffs_DeleteDirectory(obj);
|
|
@@ -5248,21 +5284,22 @@ static int yaffs_UnlinkWorker(yaffs_Obje
|
|
default:
|
|
return YAFFS_FAIL;
|
|
}
|
|
- }
|
|
+ } else
|
|
+ return yaffs_ChangeObjectName(obj, obj->myDev->unlinkedDir,
|
|
+ _Y("unlinked"), 0, 0);
|
|
}
|
|
|
|
|
|
-static int yaffs_UnlinkObject( yaffs_Object *obj)
|
|
+static int yaffs_UnlinkObject(yaffs_Object *obj)
|
|
{
|
|
|
|
- if (obj && obj->unlinkAllowed) {
|
|
+ if (obj && obj->unlinkAllowed)
|
|
return yaffs_UnlinkWorker(obj);
|
|
- }
|
|
|
|
return YAFFS_FAIL;
|
|
|
|
}
|
|
-int yaffs_Unlink(yaffs_Object * dir, const YCHAR * name)
|
|
+int yaffs_Unlink(yaffs_Object *dir, const YCHAR *name)
|
|
{
|
|
yaffs_Object *obj;
|
|
|
|
@@ -5272,8 +5309,8 @@ int yaffs_Unlink(yaffs_Object * dir, con
|
|
|
|
/*----------------------- Initialisation Scanning ---------------------- */
|
|
|
|
-static void yaffs_HandleShadowedObject(yaffs_Device * dev, int objId,
|
|
- int backwardScanning)
|
|
+static void yaffs_HandleShadowedObject(yaffs_Device *dev, int objId,
|
|
+ int backwardScanning)
|
|
{
|
|
yaffs_Object *obj;
|
|
|
|
@@ -5286,9 +5323,8 @@ static void yaffs_HandleShadowedObject(y
|
|
/* Handle YAFFS2 case (backward scanning)
|
|
* If the shadowed object exists then ignore.
|
|
*/
|
|
- if (yaffs_FindObjectByNumber(dev, objId)) {
|
|
+ if (yaffs_FindObjectByNumber(dev, objId))
|
|
return;
|
|
- }
|
|
}
|
|
|
|
/* Let's create it (if it does not exist) assuming it is a file so that it can do shrinking etc.
|
|
@@ -5297,6 +5333,8 @@ static void yaffs_HandleShadowedObject(y
|
|
obj =
|
|
yaffs_FindOrCreateObjectByNumber(dev, objId,
|
|
YAFFS_OBJECT_TYPE_FILE);
|
|
+ if (!obj)
|
|
+ return;
|
|
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 */
|
|
@@ -5325,44 +5363,77 @@ static void yaffs_HardlinkFixup(yaffs_De
|
|
if (in) {
|
|
/* Add the hardlink pointers */
|
|
hl->variant.hardLinkVariant.equivalentObject = in;
|
|
- list_add(&hl->hardLinks, &in->hardLinks);
|
|
+ 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;
|
|
- INIT_LIST_HEAD(&hl->hardLinks);
|
|
+ YINIT_LIST_HEAD(&hl->hardLinks);
|
|
|
|
}
|
|
-
|
|
}
|
|
+}
|
|
+
|
|
+
|
|
|
|
+
|
|
+
|
|
+static int ybicmp(const void *a, const void *b)
|
|
+{
|
|
+ register int aseq = ((yaffs_BlockIndex *)a)->seq;
|
|
+ register int bseq = ((yaffs_BlockIndex *)b)->seq;
|
|
+ register int ablock = ((yaffs_BlockIndex *)a)->block;
|
|
+ register int bblock = ((yaffs_BlockIndex *)b)->block;
|
|
+ if (aseq == bseq)
|
|
+ return ablock - bblock;
|
|
+ else
|
|
+ return aseq - bseq;
|
|
}
|
|
|
|
|
|
+struct yaffs_ShadowFixerStruct {
|
|
+ int objectId;
|
|
+ int shadowedId;
|
|
+ struct yaffs_ShadowFixerStruct *next;
|
|
+};
|
|
+
|
|
|
|
+static void yaffs_StripDeletedObjects(yaffs_Device *dev)
|
|
+{
|
|
+ /*
|
|
+ * Sort out state of unlinked and deleted objects after scanning.
|
|
+ */
|
|
+ struct ylist_head *i;
|
|
+ struct ylist_head *n;
|
|
+ yaffs_Object *l;
|
|
|
|
+ /* 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);
|
|
+ }
|
|
+ }
|
|
|
|
-static int ybicmp(const void *a, const void *b){
|
|
- register int aseq = ((yaffs_BlockIndex *)a)->seq;
|
|
- register int bseq = ((yaffs_BlockIndex *)b)->seq;
|
|
- register int ablock = ((yaffs_BlockIndex *)a)->block;
|
|
- register int bblock = ((yaffs_BlockIndex *)b)->block;
|
|
- if( aseq == bseq )
|
|
- return ablock - bblock;
|
|
- else
|
|
- return aseq - bseq;
|
|
+ ylist_for_each_safe(i, n,
|
|
+ &dev->deletedDir->variant.directoryVariant.children) {
|
|
+ if (i) {
|
|
+ l = ylist_entry(i, yaffs_Object, siblings);
|
|
+ yaffs_DeleteObject(l);
|
|
+ }
|
|
+ }
|
|
|
|
}
|
|
|
|
-static int yaffs_Scan(yaffs_Device * dev)
|
|
+static int yaffs_Scan(yaffs_Device *dev)
|
|
{
|
|
yaffs_ExtendedTags tags;
|
|
int blk;
|
|
int blockIterator;
|
|
int startIterator;
|
|
int endIterator;
|
|
- int nBlocksToScan = 0;
|
|
int result;
|
|
|
|
int chunk;
|
|
@@ -5371,26 +5442,19 @@ static int yaffs_Scan(yaffs_Device * dev
|
|
yaffs_BlockState state;
|
|
yaffs_Object *hardList = NULL;
|
|
yaffs_BlockInfo *bi;
|
|
- int sequenceNumber;
|
|
+ __u32 sequenceNumber;
|
|
yaffs_ObjectHeader *oh;
|
|
yaffs_Object *in;
|
|
yaffs_Object *parent;
|
|
- int nBlocks = dev->internalEndBlock - dev->internalStartBlock + 1;
|
|
|
|
int alloc_failed = 0;
|
|
|
|
+ struct yaffs_ShadowFixerStruct *shadowFixerList = NULL;
|
|
+
|
|
|
|
__u8 *chunkData;
|
|
|
|
- yaffs_BlockIndex *blockIndex = NULL;
|
|
|
|
- if (dev->isYaffs2) {
|
|
- T(YAFFS_TRACE_SCAN,
|
|
- (TSTR("yaffs_Scan is not for YAFFS2!" TENDSTR)));
|
|
- return YAFFS_FAIL;
|
|
- }
|
|
-
|
|
- //TODO Throw all the yaffs2 stuuf out of yaffs_Scan since it is only for yaffs1 format.
|
|
|
|
T(YAFFS_TRACE_SCAN,
|
|
(TSTR("yaffs_Scan starts intstartblk %d intendblk %d..." TENDSTR),
|
|
@@ -5400,12 +5464,6 @@ static int yaffs_Scan(yaffs_Device * dev
|
|
|
|
dev->sequenceNumber = YAFFS_LOWEST_SEQUENCE_NUMBER;
|
|
|
|
- if (dev->isYaffs2) {
|
|
- blockIndex = YMALLOC(nBlocks * sizeof(yaffs_BlockIndex));
|
|
- if(!blockIndex)
|
|
- return YAFFS_FAIL;
|
|
- }
|
|
-
|
|
/* Scan all the blocks to determine their state */
|
|
for (blk = dev->internalStartBlock; blk <= dev->internalEndBlock; blk++) {
|
|
bi = yaffs_GetBlockInfo(dev, blk);
|
|
@@ -5418,6 +5476,9 @@ static int yaffs_Scan(yaffs_Device * dev
|
|
bi->blockState = state;
|
|
bi->sequenceNumber = sequenceNumber;
|
|
|
|
+ if (bi->sequenceNumber == YAFFS_SEQUENCE_BAD_BLOCK)
|
|
+ bi->blockState = state = YAFFS_BLOCK_STATE_DEAD;
|
|
+
|
|
T(YAFFS_TRACE_SCAN_DEBUG,
|
|
(TSTR("Block scanning block %d state %d seq %d" TENDSTR), blk,
|
|
state, sequenceNumber));
|
|
@@ -5430,70 +5491,21 @@ static int yaffs_Scan(yaffs_Device * dev
|
|
(TSTR("Block empty " TENDSTR)));
|
|
dev->nErasedBlocks++;
|
|
dev->nFreeChunks += dev->nChunksPerBlock;
|
|
- } else if (state == YAFFS_BLOCK_STATE_NEEDS_SCANNING) {
|
|
-
|
|
- /* Determine the highest sequence number */
|
|
- if (dev->isYaffs2 &&
|
|
- sequenceNumber >= YAFFS_LOWEST_SEQUENCE_NUMBER &&
|
|
- sequenceNumber < YAFFS_HIGHEST_SEQUENCE_NUMBER) {
|
|
-
|
|
- blockIndex[nBlocksToScan].seq = sequenceNumber;
|
|
- blockIndex[nBlocksToScan].block = blk;
|
|
-
|
|
- nBlocksToScan++;
|
|
-
|
|
- if (sequenceNumber >= dev->sequenceNumber) {
|
|
- dev->sequenceNumber = sequenceNumber;
|
|
- }
|
|
- } else if (dev->isYaffs2) {
|
|
- /* TODO: Nasty sequence number! */
|
|
- T(YAFFS_TRACE_SCAN,
|
|
- (TSTR
|
|
- ("Block scanning block %d has bad sequence number %d"
|
|
- TENDSTR), blk, sequenceNumber));
|
|
-
|
|
- }
|
|
}
|
|
}
|
|
|
|
- /* Sort the blocks
|
|
- * Dungy old bubble sort for now...
|
|
- */
|
|
- if (dev->isYaffs2) {
|
|
- yaffs_BlockIndex temp;
|
|
- int i;
|
|
- int j;
|
|
-
|
|
- for (i = 0; i < nBlocksToScan; i++)
|
|
- for (j = i + 1; j < nBlocksToScan; j++)
|
|
- if (blockIndex[i].seq > blockIndex[j].seq) {
|
|
- temp = blockIndex[j];
|
|
- blockIndex[j] = blockIndex[i];
|
|
- blockIndex[i] = temp;
|
|
- }
|
|
- }
|
|
-
|
|
- /* Now scan the blocks looking at the data. */
|
|
- if (dev->isYaffs2) {
|
|
- startIterator = 0;
|
|
- endIterator = nBlocksToScan - 1;
|
|
- T(YAFFS_TRACE_SCAN_DEBUG,
|
|
- (TSTR("%d blocks to be scanned" TENDSTR), nBlocksToScan));
|
|
- } else {
|
|
- startIterator = dev->internalStartBlock;
|
|
- endIterator = dev->internalEndBlock;
|
|
- }
|
|
+ startIterator = dev->internalStartBlock;
|
|
+ endIterator = dev->internalEndBlock;
|
|
|
|
/* For each block.... */
|
|
for (blockIterator = startIterator; !alloc_failed && blockIterator <= endIterator;
|
|
blockIterator++) {
|
|
|
|
- if (dev->isYaffs2) {
|
|
- /* get the block to scan in the correct order */
|
|
- blk = blockIndex[blockIterator].block;
|
|
- } else {
|
|
- blk = blockIterator;
|
|
- }
|
|
+ YYIELD();
|
|
+
|
|
+ YYIELD();
|
|
+
|
|
+ blk = blockIterator;
|
|
|
|
bi = yaffs_GetBlockInfo(dev, blk);
|
|
state = bi->blockState;
|
|
@@ -5511,7 +5523,7 @@ static int yaffs_Scan(yaffs_Device * dev
|
|
|
|
/* Let's have a good look at this chunk... */
|
|
|
|
- if (!dev->isYaffs2 && tags.chunkDeleted) {
|
|
+ if (tags.eccResult == YAFFS_ECC_RESULT_UNFIXED || tags.chunkDeleted) {
|
|
/* YAFFS1 only...
|
|
* A deleted chunk
|
|
*/
|
|
@@ -5540,18 +5552,6 @@ static int yaffs_Scan(yaffs_Device * dev
|
|
dev->allocationBlockFinder = blk;
|
|
/* Set it to here to encourage the allocator to go forth from here. */
|
|
|
|
- /* Yaffs2 sanity check:
|
|
- * This should be the one with the highest sequence number
|
|
- */
|
|
- if (dev->isYaffs2
|
|
- && (dev->sequenceNumber !=
|
|
- bi->sequenceNumber)) {
|
|
- T(YAFFS_TRACE_ALWAYS,
|
|
- (TSTR
|
|
- ("yaffs: Allocation block %d was not highest sequence id:"
|
|
- " block seq = %d, dev seq = %d"
|
|
- TENDSTR), blk,bi->sequenceNumber,dev->sequenceNumber));
|
|
- }
|
|
}
|
|
|
|
dev->nFreeChunks += (dev->nChunksPerBlock - c);
|
|
@@ -5570,11 +5570,11 @@ static int yaffs_Scan(yaffs_Device * dev
|
|
* the same chunkId).
|
|
*/
|
|
|
|
- if(!in)
|
|
+ if (!in)
|
|
alloc_failed = 1;
|
|
|
|
- if(in){
|
|
- if(!yaffs_PutChunkIntoFile(in, tags.chunkId, chunk,1))
|
|
+ if (in) {
|
|
+ if (!yaffs_PutChunkIntoFile(in, tags.chunkId, chunk, 1))
|
|
alloc_failed = 1;
|
|
}
|
|
|
|
@@ -5617,7 +5617,7 @@ static int yaffs_Scan(yaffs_Device * dev
|
|
* deleted, and worse still it has changed type. Delete the old object.
|
|
*/
|
|
|
|
- yaffs_DestroyObject(in);
|
|
+ yaffs_DeleteObject(in);
|
|
|
|
in = 0;
|
|
}
|
|
@@ -5627,14 +5627,20 @@ static int yaffs_Scan(yaffs_Device * dev
|
|
objectId,
|
|
oh->type);
|
|
|
|
- if(!in)
|
|
+ if (!in)
|
|
alloc_failed = 1;
|
|
|
|
if (in && oh->shadowsObject > 0) {
|
|
- yaffs_HandleShadowedObject(dev,
|
|
- oh->
|
|
- shadowsObject,
|
|
- 0);
|
|
+
|
|
+ struct yaffs_ShadowFixerStruct *fixer;
|
|
+ fixer = YMALLOC(sizeof(struct yaffs_ShadowFixerStruct));
|
|
+ if (fixer) {
|
|
+ fixer->next = shadowFixerList;
|
|
+ shadowFixerList = fixer;
|
|
+ fixer->objectId = tags.objectId;
|
|
+ fixer->shadowedId = oh->shadowsObject;
|
|
+ }
|
|
+
|
|
}
|
|
|
|
if (in && in->valid) {
|
|
@@ -5643,12 +5649,10 @@ static int yaffs_Scan(yaffs_Device * dev
|
|
unsigned existingSerial = in->serial;
|
|
unsigned newSerial = tags.serialNumber;
|
|
|
|
- if (dev->isYaffs2 ||
|
|
- ((existingSerial + 1) & 3) ==
|
|
- newSerial) {
|
|
+ if (((existingSerial + 1) & 3) == newSerial) {
|
|
/* Use new one - destroy the exisiting one */
|
|
yaffs_DeleteChunk(dev,
|
|
- in->chunkId,
|
|
+ in->hdrChunk,
|
|
1, __LINE__);
|
|
in->valid = 0;
|
|
} else {
|
|
@@ -5681,7 +5685,8 @@ static int yaffs_Scan(yaffs_Device * dev
|
|
in->yst_ctime = oh->yst_ctime;
|
|
in->yst_rdev = oh->yst_rdev;
|
|
#endif
|
|
- in->chunkId = chunk;
|
|
+ in->hdrChunk = chunk;
|
|
+ in->serial = tags.serialNumber;
|
|
|
|
} else if (in && !in->valid) {
|
|
/* we need to load this info */
|
|
@@ -5705,7 +5710,8 @@ static int yaffs_Scan(yaffs_Device * dev
|
|
in->yst_ctime = oh->yst_ctime;
|
|
in->yst_rdev = oh->yst_rdev;
|
|
#endif
|
|
- in->chunkId = chunk;
|
|
+ in->hdrChunk = chunk;
|
|
+ in->serial = tags.serialNumber;
|
|
|
|
yaffs_SetObjectName(in, oh->name);
|
|
in->dirty = 0;
|
|
@@ -5718,25 +5724,25 @@ static int yaffs_Scan(yaffs_Device * dev
|
|
yaffs_FindOrCreateObjectByNumber
|
|
(dev, oh->parentObjectId,
|
|
YAFFS_OBJECT_TYPE_DIRECTORY);
|
|
- if (parent->variantType ==
|
|
+ if (!parent)
|
|
+ alloc_failed = 1;
|
|
+ if (parent && parent->variantType ==
|
|
YAFFS_OBJECT_TYPE_UNKNOWN) {
|
|
/* Set up as a directory */
|
|
parent->variantType =
|
|
- YAFFS_OBJECT_TYPE_DIRECTORY;
|
|
- INIT_LIST_HEAD(&parent->variant.
|
|
- directoryVariant.
|
|
- children);
|
|
- } else if (parent->variantType !=
|
|
- YAFFS_OBJECT_TYPE_DIRECTORY)
|
|
- {
|
|
+ YAFFS_OBJECT_TYPE_DIRECTORY;
|
|
+ YINIT_LIST_HEAD(&parent->variant.
|
|
+ directoryVariant.
|
|
+ children);
|
|
+ } else if (!parent || parent->variantType !=
|
|
+ YAFFS_OBJECT_TYPE_DIRECTORY) {
|
|
/* Hoosterman, another problem....
|
|
* We're trying to use a non-directory as a directory
|
|
*/
|
|
|
|
T(YAFFS_TRACE_ERROR,
|
|
(TSTR
|
|
- ("yaffs tragedy: attempting to use non-directory as"
|
|
- " a directory in scan. Put in lost+found."
|
|
+ ("yaffs tragedy: attempting to use non-directory as a directory in scan. Put in lost+found."
|
|
TENDSTR)));
|
|
parent = dev->lostNFoundDir;
|
|
}
|
|
@@ -5760,15 +5766,6 @@ static int yaffs_Scan(yaffs_Device * dev
|
|
/* Todo got a problem */
|
|
break;
|
|
case YAFFS_OBJECT_TYPE_FILE:
|
|
- if (dev->isYaffs2
|
|
- && oh->isShrink) {
|
|
- /* Prune back the shrunken chunks */
|
|
- yaffs_PruneResizedChunks
|
|
- (in, oh->fileSize);
|
|
- /* Mark the block as having a shrinkHeader */
|
|
- bi->hasShrinkHeader = 1;
|
|
- }
|
|
-
|
|
if (dev->useHeaderFileSize)
|
|
|
|
in->variant.fileVariant.
|
|
@@ -5778,11 +5775,11 @@ static int yaffs_Scan(yaffs_Device * dev
|
|
break;
|
|
case YAFFS_OBJECT_TYPE_HARDLINK:
|
|
in->variant.hardLinkVariant.
|
|
- equivalentObjectId =
|
|
- oh->equivalentObjectId;
|
|
+ equivalentObjectId =
|
|
+ oh->equivalentObjectId;
|
|
in->hardLinks.next =
|
|
- (struct list_head *)
|
|
- hardList;
|
|
+ (struct ylist_head *)
|
|
+ hardList;
|
|
hardList = in;
|
|
break;
|
|
case YAFFS_OBJECT_TYPE_DIRECTORY:
|
|
@@ -5794,15 +5791,17 @@ static int yaffs_Scan(yaffs_Device * dev
|
|
case YAFFS_OBJECT_TYPE_SYMLINK:
|
|
in->variant.symLinkVariant.alias =
|
|
yaffs_CloneString(oh->alias);
|
|
- if(!in->variant.symLinkVariant.alias)
|
|
+ if (!in->variant.symLinkVariant.alias)
|
|
alloc_failed = 1;
|
|
break;
|
|
}
|
|
|
|
+/*
|
|
if (parent == dev->deletedDir) {
|
|
yaffs_DestroyObject(in);
|
|
bi->hasShrinkHeader = 1;
|
|
}
|
|
+*/
|
|
}
|
|
}
|
|
}
|
|
@@ -5823,10 +5822,6 @@ static int yaffs_Scan(yaffs_Device * dev
|
|
|
|
}
|
|
|
|
- if (blockIndex) {
|
|
- YFREE(blockIndex);
|
|
- }
|
|
-
|
|
|
|
/* Ok, we've done all the scanning.
|
|
* Fix up the hard link chains.
|
|
@@ -5834,32 +5829,36 @@ static int yaffs_Scan(yaffs_Device * dev
|
|
* hardlinks.
|
|
*/
|
|
|
|
- yaffs_HardlinkFixup(dev,hardList);
|
|
+ yaffs_HardlinkFixup(dev, hardList);
|
|
|
|
- /* Handle the unlinked files. Since they were left in an unlinked state we should
|
|
- * just delete them.
|
|
- */
|
|
+ /* Fix up any shadowed objects */
|
|
{
|
|
- struct list_head *i;
|
|
- struct list_head *n;
|
|
+ struct yaffs_ShadowFixerStruct *fixer;
|
|
+ yaffs_Object *obj;
|
|
|
|
- yaffs_Object *l;
|
|
- /* Soft delete all the unlinked files */
|
|
- list_for_each_safe(i, n,
|
|
- &dev->unlinkedDir->variant.directoryVariant.
|
|
- children) {
|
|
- if (i) {
|
|
- l = list_entry(i, yaffs_Object, siblings);
|
|
- yaffs_DestroyObject(l);
|
|
- }
|
|
+ while (shadowFixerList) {
|
|
+ fixer = shadowFixerList;
|
|
+ shadowFixerList = fixer->next;
|
|
+ /* Complete the rename transaction by deleting the shadowed object
|
|
+ * then setting the object header to unshadowed.
|
|
+ */
|
|
+ obj = yaffs_FindObjectByNumber(dev, fixer->shadowedId);
|
|
+ if (obj)
|
|
+ yaffs_DeleteObject(obj);
|
|
+
|
|
+ obj = yaffs_FindObjectByNumber(dev, fixer->objectId);
|
|
+
|
|
+ if (obj)
|
|
+ yaffs_UpdateObjectHeader(obj, NULL, 1, 0, 0);
|
|
+
|
|
+ YFREE(fixer);
|
|
}
|
|
}
|
|
|
|
yaffs_ReleaseTempBuffer(dev, chunkData, __LINE__);
|
|
|
|
- if(alloc_failed){
|
|
+ if (alloc_failed)
|
|
return YAFFS_FAIL;
|
|
- }
|
|
|
|
T(YAFFS_TRACE_SCAN, (TSTR("yaffs_Scan ends" TENDSTR)));
|
|
|
|
@@ -5871,25 +5870,27 @@ static void yaffs_CheckObjectDetailsLoad
|
|
{
|
|
__u8 *chunkData;
|
|
yaffs_ObjectHeader *oh;
|
|
- yaffs_Device *dev = in->myDev;
|
|
+ yaffs_Device *dev;
|
|
yaffs_ExtendedTags tags;
|
|
int result;
|
|
int alloc_failed = 0;
|
|
|
|
- if(!in)
|
|
+ if (!in)
|
|
return;
|
|
|
|
+ dev = in->myDev;
|
|
+
|
|
#if 0
|
|
- T(YAFFS_TRACE_SCAN,(TSTR("details for object %d %s loaded" TENDSTR),
|
|
+ T(YAFFS_TRACE_SCAN, (TSTR("details for object %d %s loaded" TENDSTR),
|
|
in->objectId,
|
|
in->lazyLoaded ? "not yet" : "already"));
|
|
#endif
|
|
|
|
- if(in->lazyLoaded){
|
|
+ if (in->lazyLoaded && in->hdrChunk > 0) {
|
|
in->lazyLoaded = 0;
|
|
chunkData = yaffs_GetTempBuffer(dev, __LINE__);
|
|
|
|
- result = yaffs_ReadChunkWithTagsFromNAND(dev,in->chunkId,chunkData,&tags);
|
|
+ result = yaffs_ReadChunkWithTagsFromNAND(dev, in->hdrChunk, chunkData, &tags);
|
|
oh = (yaffs_ObjectHeader *) chunkData;
|
|
|
|
in->yst_mode = oh->yst_mode;
|
|
@@ -5911,18 +5912,18 @@ static void yaffs_CheckObjectDetailsLoad
|
|
#endif
|
|
yaffs_SetObjectName(in, oh->name);
|
|
|
|
- if(in->variantType == YAFFS_OBJECT_TYPE_SYMLINK){
|
|
- in->variant.symLinkVariant.alias =
|
|
+ if (in->variantType == YAFFS_OBJECT_TYPE_SYMLINK) {
|
|
+ in->variant.symLinkVariant.alias =
|
|
yaffs_CloneString(oh->alias);
|
|
- if(!in->variant.symLinkVariant.alias)
|
|
+ if (!in->variant.symLinkVariant.alias)
|
|
alloc_failed = 1; /* Not returned to caller */
|
|
}
|
|
|
|
- yaffs_ReleaseTempBuffer(dev,chunkData, __LINE__);
|
|
+ yaffs_ReleaseTempBuffer(dev, chunkData, __LINE__);
|
|
}
|
|
}
|
|
|
|
-static int yaffs_ScanBackwards(yaffs_Device * dev)
|
|
+static int yaffs_ScanBackwards(yaffs_Device *dev)
|
|
{
|
|
yaffs_ExtendedTags tags;
|
|
int blk;
|
|
@@ -5938,7 +5939,7 @@ static int yaffs_ScanBackwards(yaffs_Dev
|
|
yaffs_BlockState state;
|
|
yaffs_Object *hardList = NULL;
|
|
yaffs_BlockInfo *bi;
|
|
- int sequenceNumber;
|
|
+ __u32 sequenceNumber;
|
|
yaffs_ObjectHeader *oh;
|
|
yaffs_Object *in;
|
|
yaffs_Object *parent;
|
|
@@ -5972,12 +5973,12 @@ static int yaffs_ScanBackwards(yaffs_Dev
|
|
|
|
blockIndex = YMALLOC(nBlocks * sizeof(yaffs_BlockIndex));
|
|
|
|
- if(!blockIndex) {
|
|
+ if (!blockIndex) {
|
|
blockIndex = YMALLOC_ALT(nBlocks * sizeof(yaffs_BlockIndex));
|
|
altBlockIndex = 1;
|
|
}
|
|
|
|
- if(!blockIndex) {
|
|
+ if (!blockIndex) {
|
|
T(YAFFS_TRACE_SCAN,
|
|
(TSTR("yaffs_Scan() could not allocate block index!" TENDSTR)));
|
|
return YAFFS_FAIL;
|
|
@@ -5999,15 +6000,17 @@ static int yaffs_ScanBackwards(yaffs_Dev
|
|
bi->blockState = state;
|
|
bi->sequenceNumber = sequenceNumber;
|
|
|
|
- if(bi->sequenceNumber == YAFFS_SEQUENCE_CHECKPOINT_DATA)
|
|
+ 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;
|
|
|
|
T(YAFFS_TRACE_SCAN_DEBUG,
|
|
(TSTR("Block scanning block %d state %d seq %d" TENDSTR), blk,
|
|
state, sequenceNumber));
|
|
|
|
|
|
- if(state == YAFFS_BLOCK_STATE_CHECKPOINT){
|
|
+ if (state == YAFFS_BLOCK_STATE_CHECKPOINT) {
|
|
dev->blocksInCheckpoint++;
|
|
|
|
} else if (state == YAFFS_BLOCK_STATE_DEAD) {
|
|
@@ -6021,8 +6024,7 @@ static int yaffs_ScanBackwards(yaffs_Dev
|
|
} else if (state == YAFFS_BLOCK_STATE_NEEDS_SCANNING) {
|
|
|
|
/* Determine the highest sequence number */
|
|
- if (dev->isYaffs2 &&
|
|
- sequenceNumber >= YAFFS_LOWEST_SEQUENCE_NUMBER &&
|
|
+ if (sequenceNumber >= YAFFS_LOWEST_SEQUENCE_NUMBER &&
|
|
sequenceNumber < YAFFS_HIGHEST_SEQUENCE_NUMBER) {
|
|
|
|
blockIndex[nBlocksToScan].seq = sequenceNumber;
|
|
@@ -6030,10 +6032,9 @@ static int yaffs_ScanBackwards(yaffs_Dev
|
|
|
|
nBlocksToScan++;
|
|
|
|
- if (sequenceNumber >= dev->sequenceNumber) {
|
|
+ if (sequenceNumber >= dev->sequenceNumber)
|
|
dev->sequenceNumber = sequenceNumber;
|
|
- }
|
|
- } else if (dev->isYaffs2) {
|
|
+ } else {
|
|
/* TODO: Nasty sequence number! */
|
|
T(YAFFS_TRACE_SCAN,
|
|
(TSTR
|
|
@@ -6053,11 +6054,13 @@ static int yaffs_ScanBackwards(yaffs_Dev
|
|
|
|
/* Sort the blocks */
|
|
#ifndef CONFIG_YAFFS_USE_OWN_SORT
|
|
- yaffs_qsort(blockIndex, nBlocksToScan,
|
|
- sizeof(yaffs_BlockIndex), ybicmp);
|
|
+ {
|
|
+ /* Use qsort now. */
|
|
+ yaffs_qsort(blockIndex, nBlocksToScan, sizeof(yaffs_BlockIndex), ybicmp);
|
|
+ }
|
|
#else
|
|
{
|
|
- /* Dungy old bubble sort... */
|
|
+ /* Dungy old bubble sort... */
|
|
|
|
yaffs_BlockIndex temp;
|
|
int i;
|
|
@@ -6075,7 +6078,7 @@ static int yaffs_ScanBackwards(yaffs_Dev
|
|
|
|
YYIELD();
|
|
|
|
- T(YAFFS_TRACE_SCAN, (TSTR("...done" TENDSTR)));
|
|
+ T(YAFFS_TRACE_SCAN, (TSTR("...done" TENDSTR)));
|
|
|
|
/* Now scan the blocks looking at the data. */
|
|
startIterator = 0;
|
|
@@ -6085,10 +6088,10 @@ static int yaffs_ScanBackwards(yaffs_Dev
|
|
|
|
/* For each block.... backwards */
|
|
for (blockIterator = endIterator; !alloc_failed && blockIterator >= startIterator;
|
|
- blockIterator--) {
|
|
- /* Cooperative multitasking! This loop can run for so
|
|
+ blockIterator--) {
|
|
+ /* Cooperative multitasking! This loop can run for so
|
|
long that watchdog timers expire. */
|
|
- YYIELD();
|
|
+ YYIELD();
|
|
|
|
/* get the block to scan in the correct order */
|
|
blk = blockIndex[blockIterator].block;
|
|
@@ -6127,10 +6130,8 @@ static int yaffs_ScanBackwards(yaffs_Dev
|
|
* this is the one being allocated from
|
|
*/
|
|
|
|
- if(foundChunksInBlock)
|
|
- {
|
|
+ if (foundChunksInBlock) {
|
|
/* This is a chunk that was skipped due to failing the erased check */
|
|
-
|
|
} else if (c == 0) {
|
|
/* We're looking at the first chunk in the block so the block is unused */
|
|
state = YAFFS_BLOCK_STATE_EMPTY;
|
|
@@ -6138,7 +6139,7 @@ static int yaffs_ScanBackwards(yaffs_Dev
|
|
} else {
|
|
if (state == YAFFS_BLOCK_STATE_NEEDS_SCANNING ||
|
|
state == YAFFS_BLOCK_STATE_ALLOCATING) {
|
|
- if(dev->sequenceNumber == bi->sequenceNumber) {
|
|
+ if (dev->sequenceNumber == bi->sequenceNumber) {
|
|
/* this is the block being allocated from */
|
|
|
|
T(YAFFS_TRACE_SCAN,
|
|
@@ -6150,27 +6151,31 @@ static int yaffs_ScanBackwards(yaffs_Dev
|
|
dev->allocationBlock = blk;
|
|
dev->allocationPage = c;
|
|
dev->allocationBlockFinder = blk;
|
|
- }
|
|
- else {
|
|
+ } else {
|
|
/* This is a partially written block that is not
|
|
* the current allocation block. This block must have
|
|
* had a write failure, so set up for retirement.
|
|
*/
|
|
|
|
- bi->needsRetiring = 1;
|
|
+ /* bi->needsRetiring = 1; ??? TODO */
|
|
bi->gcPrioritise = 1;
|
|
|
|
T(YAFFS_TRACE_ALWAYS,
|
|
- (TSTR("Partially written block %d being set for retirement" TENDSTR),
|
|
+ (TSTR("Partially written block %d detected" TENDSTR),
|
|
blk));
|
|
}
|
|
-
|
|
}
|
|
-
|
|
}
|
|
|
|
dev->nFreeChunks++;
|
|
|
|
+ } else if (tags.eccResult == YAFFS_ECC_RESULT_UNFIXED) {
|
|
+ T(YAFFS_TRACE_SCAN,
|
|
+ (TSTR(" Unfixed ECC in chunk(%d:%d), chunk ignored"TENDSTR),
|
|
+ blk, c));
|
|
+
|
|
+ dev->nFreeChunks++;
|
|
+
|
|
} else if (tags.chunkId > 0) {
|
|
/* chunkId > 0 so it is a data chunk... */
|
|
unsigned int endpos;
|
|
@@ -6187,7 +6192,7 @@ static int yaffs_ScanBackwards(yaffs_Dev
|
|
tags.
|
|
objectId,
|
|
YAFFS_OBJECT_TYPE_FILE);
|
|
- if(!in){
|
|
+ if (!in) {
|
|
/* Out of memory */
|
|
alloc_failed = 1;
|
|
}
|
|
@@ -6197,8 +6202,8 @@ static int yaffs_ScanBackwards(yaffs_Dev
|
|
&& chunkBase <
|
|
in->variant.fileVariant.shrinkSize) {
|
|
/* This has not been invalidated by a resize */
|
|
- if(!yaffs_PutChunkIntoFile(in, tags.chunkId,
|
|
- chunk, -1)){
|
|
+ if (!yaffs_PutChunkIntoFile(in, tags.chunkId,
|
|
+ chunk, -1)) {
|
|
alloc_failed = 1;
|
|
}
|
|
|
|
@@ -6221,7 +6226,7 @@ static int yaffs_ScanBackwards(yaffs_Dev
|
|
scannedFileSize;
|
|
}
|
|
|
|
- } else if(in) {
|
|
+ } else if (in) {
|
|
/* This chunk has been invalidated by a resize, so delete */
|
|
yaffs_DeleteChunk(dev, chunk, 1, __LINE__);
|
|
|
|
@@ -6242,6 +6247,8 @@ static int yaffs_ScanBackwards(yaffs_Dev
|
|
in = yaffs_FindOrCreateObjectByNumber
|
|
(dev, tags.objectId,
|
|
tags.extraObjectType);
|
|
+ if (!in)
|
|
+ alloc_failed = 1;
|
|
}
|
|
|
|
if (!in ||
|
|
@@ -6251,8 +6258,7 @@ static int yaffs_ScanBackwards(yaffs_Dev
|
|
tags.extraShadows ||
|
|
(!in->valid &&
|
|
(tags.objectId == YAFFS_OBJECTID_ROOT ||
|
|
- tags.objectId == YAFFS_OBJECTID_LOSTNFOUND))
|
|
- ) {
|
|
+ tags.objectId == 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
|
|
@@ -6266,8 +6272,17 @@ static int yaffs_ScanBackwards(yaffs_Dev
|
|
|
|
oh = (yaffs_ObjectHeader *) chunkData;
|
|
|
|
- if (!in)
|
|
+ if (dev->inbandTags) {
|
|
+ /* Fix up the header if they got corrupted by inband tags */
|
|
+ oh->shadowsObject = oh->inbandShadowsObject;
|
|
+ oh->isShrink = oh->inbandIsShrink;
|
|
+ }
|
|
+
|
|
+ if (!in) {
|
|
in = yaffs_FindOrCreateObjectByNumber(dev, tags.objectId, oh->type);
|
|
+ if (!in)
|
|
+ alloc_failed = 1;
|
|
+ }
|
|
|
|
}
|
|
|
|
@@ -6275,10 +6290,9 @@ static int yaffs_ScanBackwards(yaffs_Dev
|
|
/* TODO Hoosterman we have a problem! */
|
|
T(YAFFS_TRACE_ERROR,
|
|
(TSTR
|
|
- ("yaffs tragedy: Could not make object for object %d "
|
|
- "at chunk %d during scan"
|
|
+ ("yaffs tragedy: Could not make object for object %d at chunk %d during scan"
|
|
TENDSTR), tags.objectId, chunk));
|
|
-
|
|
+ continue;
|
|
}
|
|
|
|
if (in->valid) {
|
|
@@ -6289,10 +6303,9 @@ static int yaffs_ScanBackwards(yaffs_Dev
|
|
|
|
if ((in->variantType == YAFFS_OBJECT_TYPE_FILE) &&
|
|
((oh &&
|
|
- oh-> type == YAFFS_OBJECT_TYPE_FILE)||
|
|
+ oh->type == YAFFS_OBJECT_TYPE_FILE) ||
|
|
(tags.extraHeaderInfoAvailable &&
|
|
- tags.extraObjectType == YAFFS_OBJECT_TYPE_FILE))
|
|
- ) {
|
|
+ tags.extraObjectType == YAFFS_OBJECT_TYPE_FILE))) {
|
|
__u32 thisSize =
|
|
(oh) ? oh->fileSize : tags.
|
|
extraFileLength;
|
|
@@ -6300,7 +6313,9 @@ static int yaffs_ScanBackwards(yaffs_Dev
|
|
(oh) ? oh->
|
|
parentObjectId : tags.
|
|
extraParentObjectId;
|
|
- unsigned isShrink =
|
|
+
|
|
+
|
|
+ isShrink =
|
|
(oh) ? oh->isShrink : tags.
|
|
extraIsShrinkHeader;
|
|
|
|
@@ -6323,9 +6338,8 @@ static int yaffs_ScanBackwards(yaffs_Dev
|
|
thisSize;
|
|
}
|
|
|
|
- if (isShrink) {
|
|
+ if (isShrink)
|
|
bi->hasShrinkHeader = 1;
|
|
- }
|
|
|
|
}
|
|
/* Use existing - destroy this one. */
|
|
@@ -6333,6 +6347,17 @@ static int yaffs_ScanBackwards(yaffs_Dev
|
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|
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}
|
|
|
|
+ if (!in->valid && in->variantType !=
|
|
+ (oh ? oh->type : tags.extraObjectType))
|
|
+ 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,
|
|
+ chunk));
|
|
+
|
|
if (!in->valid &&
|
|
(tags.objectId == YAFFS_OBJECTID_ROOT ||
|
|
tags.objectId ==
|
|
@@ -6340,7 +6365,7 @@ static int yaffs_ScanBackwards(yaffs_Dev
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|
/* We only load some info, don't fiddle with directory structure */
|
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in->valid = 1;
|
|
|
|
- if(oh) {
|
|
+ if (oh) {
|
|
in->variantType = oh->type;
|
|
|
|
in->yst_mode = oh->yst_mode;
|
|
@@ -6365,15 +6390,15 @@ static int yaffs_ScanBackwards(yaffs_Dev
|
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in->lazyLoaded = 1;
|
|
}
|
|
|
|
- in->chunkId = chunk;
|
|
+ in->hdrChunk = chunk;
|
|
|
|
} else if (!in->valid) {
|
|
/* we need to load this info */
|
|
|
|
in->valid = 1;
|
|
- in->chunkId = chunk;
|
|
+ in->hdrChunk = chunk;
|
|
|
|
- if(oh) {
|
|
+ if (oh) {
|
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in->variantType = oh->type;
|
|
|
|
in->yst_mode = oh->yst_mode;
|
|
@@ -6403,20 +6428,19 @@ static int yaffs_ScanBackwards(yaffs_Dev
|
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yaffs_SetObjectName(in, oh->name);
|
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parent =
|
|
yaffs_FindOrCreateObjectByNumber
|
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- (dev, oh->parentObjectId,
|
|
- YAFFS_OBJECT_TYPE_DIRECTORY);
|
|
+ (dev, oh->parentObjectId,
|
|
+ YAFFS_OBJECT_TYPE_DIRECTORY);
|
|
|
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fileSize = oh->fileSize;
|
|
- isShrink = oh->isShrink;
|
|
+ isShrink = oh->isShrink;
|
|
equivalentObjectId = oh->equivalentObjectId;
|
|
|
|
- }
|
|
- else {
|
|
+ } else {
|
|
in->variantType = tags.extraObjectType;
|
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parent =
|
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yaffs_FindOrCreateObjectByNumber
|
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- (dev, tags.extraParentObjectId,
|
|
- YAFFS_OBJECT_TYPE_DIRECTORY);
|
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+ (dev, tags.extraParentObjectId,
|
|
+ YAFFS_OBJECT_TYPE_DIRECTORY);
|
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fileSize = tags.extraFileLength;
|
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isShrink = tags.extraIsShrinkHeader;
|
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equivalentObjectId = tags.extraEquivalentObjectId;
|
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@@ -6425,29 +6449,30 @@ static int yaffs_ScanBackwards(yaffs_Dev
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}
|
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in->dirty = 0;
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|
|
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+ if (!parent)
|
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+ alloc_failed = 1;
|
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+
|
|
/* directory stuff...
|
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* hook up to parent
|
|
*/
|
|
|
|
- if (parent->variantType ==
|
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+ if (parent && parent->variantType ==
|
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YAFFS_OBJECT_TYPE_UNKNOWN) {
|
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/* Set up as a directory */
|
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parent->variantType =
|
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- YAFFS_OBJECT_TYPE_DIRECTORY;
|
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- INIT_LIST_HEAD(&parent->variant.
|
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- directoryVariant.
|
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- children);
|
|
- } else if (parent->variantType !=
|
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- YAFFS_OBJECT_TYPE_DIRECTORY)
|
|
- {
|
|
+ YAFFS_OBJECT_TYPE_DIRECTORY;
|
|
+ YINIT_LIST_HEAD(&parent->variant.
|
|
+ directoryVariant.
|
|
+ children);
|
|
+ } else if (!parent || parent->variantType !=
|
|
+ YAFFS_OBJECT_TYPE_DIRECTORY) {
|
|
/* Hoosterman, another problem....
|
|
* We're trying to use a non-directory as a directory
|
|
*/
|
|
|
|
T(YAFFS_TRACE_ERROR,
|
|
(TSTR
|
|
- ("yaffs tragedy: attempting to use non-directory as"
|
|
- " a directory in scan. Put in lost+found."
|
|
+ ("yaffs tragedy: attempting to use non-directory as a directory in scan. Put in lost+found."
|
|
TENDSTR)));
|
|
parent = dev->lostNFoundDir;
|
|
}
|
|
@@ -6494,12 +6519,12 @@ static int yaffs_ScanBackwards(yaffs_Dev
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|
|
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break;
|
|
case YAFFS_OBJECT_TYPE_HARDLINK:
|
|
- if(!itsUnlinked) {
|
|
- in->variant.hardLinkVariant.equivalentObjectId =
|
|
- equivalentObjectId;
|
|
- in->hardLinks.next =
|
|
- (struct list_head *) hardList;
|
|
- hardList = in;
|
|
+ if (!itsUnlinked) {
|
|
+ in->variant.hardLinkVariant.equivalentObjectId =
|
|
+ equivalentObjectId;
|
|
+ in->hardLinks.next =
|
|
+ (struct ylist_head *) hardList;
|
|
+ hardList = in;
|
|
}
|
|
break;
|
|
case YAFFS_OBJECT_TYPE_DIRECTORY:
|
|
@@ -6509,12 +6534,11 @@ static int yaffs_ScanBackwards(yaffs_Dev
|
|
/* Do nothing */
|
|
break;
|
|
case YAFFS_OBJECT_TYPE_SYMLINK:
|
|
- if(oh){
|
|
- in->variant.symLinkVariant.alias =
|
|
- yaffs_CloneString(oh->
|
|
- alias);
|
|
- if(!in->variant.symLinkVariant.alias)
|
|
- alloc_failed = 1;
|
|
+ if (oh) {
|
|
+ in->variant.symLinkVariant.alias =
|
|
+ yaffs_CloneString(oh->alias);
|
|
+ if (!in->variant.symLinkVariant.alias)
|
|
+ alloc_failed = 1;
|
|
}
|
|
break;
|
|
}
|
|
@@ -6551,75 +6575,129 @@ static int yaffs_ScanBackwards(yaffs_Dev
|
|
* We should now have scanned all the objects, now it's time to add these
|
|
* hardlinks.
|
|
*/
|
|
- yaffs_HardlinkFixup(dev,hardList);
|
|
+ yaffs_HardlinkFixup(dev, hardList);
|
|
|
|
|
|
- /*
|
|
- * Sort out state of unlinked and deleted objects.
|
|
- */
|
|
- {
|
|
- struct list_head *i;
|
|
- struct list_head *n;
|
|
+ yaffs_ReleaseTempBuffer(dev, chunkData, __LINE__);
|
|
|
|
- yaffs_Object *l;
|
|
+ if (alloc_failed)
|
|
+ return YAFFS_FAIL;
|
|
|
|
- /* Soft delete all the unlinked files */
|
|
- list_for_each_safe(i, n,
|
|
- &dev->unlinkedDir->variant.directoryVariant.
|
|
- children) {
|
|
- if (i) {
|
|
- l = list_entry(i, yaffs_Object, siblings);
|
|
- yaffs_DestroyObject(l);
|
|
- }
|
|
- }
|
|
+ T(YAFFS_TRACE_SCAN, (TSTR("yaffs_ScanBackwards ends" TENDSTR)));
|
|
|
|
- /* Soft delete all the deletedDir files */
|
|
- list_for_each_safe(i, n,
|
|
- &dev->deletedDir->variant.directoryVariant.
|
|
- children) {
|
|
- if (i) {
|
|
- l = list_entry(i, yaffs_Object, siblings);
|
|
- yaffs_DestroyObject(l);
|
|
+ return YAFFS_OK;
|
|
+}
|
|
|
|
- }
|
|
+/*------------------------------ Directory Functions ----------------------------- */
|
|
+
|
|
+static void yaffs_VerifyObjectInDirectory(yaffs_Object *obj)
|
|
+{
|
|
+ struct ylist_head *lh;
|
|
+ yaffs_Object *listObj;
|
|
+
|
|
+ int count = 0;
|
|
+
|
|
+ if (!obj) {
|
|
+ T(YAFFS_TRACE_ALWAYS, (TSTR("No object to verify" TENDSTR)));
|
|
+ YBUG();
|
|
+ return;
|
|
+ }
|
|
+
|
|
+ if (yaffs_SkipVerification(obj->myDev))
|
|
+ return;
|
|
+
|
|
+ if (!obj->parent) {
|
|
+ T(YAFFS_TRACE_ALWAYS, (TSTR("Object does not have parent" TENDSTR)));
|
|
+ YBUG();
|
|
+ return;
|
|
+ }
|
|
+
|
|
+ if (obj->parent->variantType != 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) {
|
|
+ if (lh) {
|
|
+ listObj = ylist_entry(lh, yaffs_Object, siblings);
|
|
+ yaffs_VerifyObject(listObj);
|
|
+ if (obj == listObj)
|
|
+ count++;
|
|
}
|
|
+ }
|
|
+
|
|
+ if (count != 1) {
|
|
+ T(YAFFS_TRACE_ALWAYS, (TSTR("Object in directory %d times" TENDSTR), count));
|
|
+ YBUG();
|
|
}
|
|
+}
|
|
|
|
- yaffs_ReleaseTempBuffer(dev, chunkData, __LINE__);
|
|
+static void yaffs_VerifyDirectory(yaffs_Object *directory)
|
|
+{
|
|
+ struct ylist_head *lh;
|
|
+ yaffs_Object *listObj;
|
|
|
|
- if(alloc_failed){
|
|
- return YAFFS_FAIL;
|
|
+ if (!directory) {
|
|
+ YBUG();
|
|
+ return;
|
|
}
|
|
|
|
- T(YAFFS_TRACE_SCAN, (TSTR("yaffs_ScanBackwards ends" TENDSTR)));
|
|
+ if (yaffs_SkipFullVerification(directory->myDev))
|
|
+ return;
|
|
|
|
- return YAFFS_OK;
|
|
+ if (directory->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) {
|
|
+ T(YAFFS_TRACE_ALWAYS, (TSTR("Directory has wrong type: %d" TENDSTR), directory->variantType));
|
|
+ YBUG();
|
|
+ }
|
|
+
|
|
+ /* Iterate through the objects in each hash entry */
|
|
+
|
|
+ ylist_for_each(lh, &directory->variant.directoryVariant.children) {
|
|
+ if (lh) {
|
|
+ listObj = ylist_entry(lh, yaffs_Object, 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);
|
|
+ }
|
|
+ }
|
|
}
|
|
|
|
-/*------------------------------ Directory Functions ----------------------------- */
|
|
|
|
-static void yaffs_RemoveObjectFromDirectory(yaffs_Object * obj)
|
|
+static void yaffs_RemoveObjectFromDirectory(yaffs_Object *obj)
|
|
{
|
|
yaffs_Device *dev = obj->myDev;
|
|
+ yaffs_Object *parent;
|
|
+
|
|
+ yaffs_VerifyObjectInDirectory(obj);
|
|
+ parent = obj->parent;
|
|
+
|
|
+ yaffs_VerifyDirectory(parent);
|
|
|
|
- if(dev && dev->removeObjectCallback)
|
|
+ if (dev && dev->removeObjectCallback)
|
|
dev->removeObjectCallback(obj);
|
|
|
|
- list_del_init(&obj->siblings);
|
|
+
|
|
+ ylist_del_init(&obj->siblings);
|
|
obj->parent = NULL;
|
|
+
|
|
+ yaffs_VerifyDirectory(parent);
|
|
}
|
|
|
|
|
|
-static void yaffs_AddObjectToDirectory(yaffs_Object * directory,
|
|
- yaffs_Object * obj)
|
|
+static void yaffs_AddObjectToDirectory(yaffs_Object *directory,
|
|
+ yaffs_Object *obj)
|
|
{
|
|
-
|
|
if (!directory) {
|
|
T(YAFFS_TRACE_ALWAYS,
|
|
(TSTR
|
|
("tragedy: Trying to add an object to a null pointer directory"
|
|
TENDSTR)));
|
|
YBUG();
|
|
+ return;
|
|
}
|
|
if (directory->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) {
|
|
T(YAFFS_TRACE_ALWAYS,
|
|
@@ -6631,37 +6709,42 @@ static void yaffs_AddObjectToDirectory(y
|
|
|
|
if (obj->siblings.prev == NULL) {
|
|
/* Not initialised */
|
|
- INIT_LIST_HEAD(&obj->siblings);
|
|
-
|
|
- } else if (!list_empty(&obj->siblings)) {
|
|
- /* If it is holed up somewhere else, un hook it */
|
|
- yaffs_RemoveObjectFromDirectory(obj);
|
|
+ YBUG();
|
|
}
|
|
+
|
|
+
|
|
+ yaffs_VerifyDirectory(directory);
|
|
+
|
|
+ yaffs_RemoveObjectFromDirectory(obj);
|
|
+
|
|
+
|
|
/* Now add it */
|
|
- list_add(&obj->siblings, &directory->variant.directoryVariant.children);
|
|
+ ylist_add(&obj->siblings, &directory->variant.directoryVariant.children);
|
|
obj->parent = directory;
|
|
|
|
if (directory == obj->myDev->unlinkedDir
|
|
- || directory == obj->myDev->deletedDir) {
|
|
+ || directory == obj->myDev->deletedDir) {
|
|
obj->unlinked = 1;
|
|
obj->myDev->nUnlinkedFiles++;
|
|
obj->renameAllowed = 0;
|
|
}
|
|
+
|
|
+ yaffs_VerifyDirectory(directory);
|
|
+ yaffs_VerifyObjectInDirectory(obj);
|
|
}
|
|
|
|
-yaffs_Object *yaffs_FindObjectByName(yaffs_Object * directory,
|
|
- const YCHAR * name)
|
|
+yaffs_Object *yaffs_FindObjectByName(yaffs_Object *directory,
|
|
+ const YCHAR *name)
|
|
{
|
|
int sum;
|
|
|
|
- struct list_head *i;
|
|
+ struct ylist_head *i;
|
|
YCHAR buffer[YAFFS_MAX_NAME_LENGTH + 1];
|
|
|
|
yaffs_Object *l;
|
|
|
|
- if (!name) {
|
|
+ if (!name)
|
|
return NULL;
|
|
- }
|
|
|
|
if (!directory) {
|
|
T(YAFFS_TRACE_ALWAYS,
|
|
@@ -6669,6 +6752,7 @@ yaffs_Object *yaffs_FindObjectByName(yaf
|
|
("tragedy: yaffs_FindObjectByName: null pointer directory"
|
|
TENDSTR)));
|
|
YBUG();
|
|
+ return NULL;
|
|
}
|
|
if (directory->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) {
|
|
T(YAFFS_TRACE_ALWAYS,
|
|
@@ -6679,28 +6763,27 @@ yaffs_Object *yaffs_FindObjectByName(yaf
|
|
|
|
sum = yaffs_CalcNameSum(name);
|
|
|
|
- list_for_each(i, &directory->variant.directoryVariant.children) {
|
|
+ ylist_for_each(i, &directory->variant.directoryVariant.children) {
|
|
if (i) {
|
|
- l = list_entry(i, yaffs_Object, siblings);
|
|
+ l = ylist_entry(i, yaffs_Object, siblings);
|
|
+
|
|
+ if (l->parent != directory)
|
|
+ YBUG();
|
|
|
|
yaffs_CheckObjectDetailsLoaded(l);
|
|
|
|
/* Special case for lost-n-found */
|
|
if (l->objectId == YAFFS_OBJECTID_LOSTNFOUND) {
|
|
- if (yaffs_strcmp(name, YAFFS_LOSTNFOUND_NAME) == 0) {
|
|
+ if (yaffs_strcmp(name, YAFFS_LOSTNFOUND_NAME) == 0)
|
|
return l;
|
|
- }
|
|
- } else if (yaffs_SumCompare(l->sum, sum) || l->chunkId <= 0)
|
|
- {
|
|
- /* LostnFound cunk called Objxxx
|
|
+ } else if (yaffs_SumCompare(l->sum, sum) || l->hdrChunk <= 0) {
|
|
+ /* LostnFound chunk called Objxxx
|
|
* Do a real check
|
|
*/
|
|
yaffs_GetObjectName(l, buffer,
|
|
YAFFS_MAX_NAME_LENGTH);
|
|
- if (yaffs_strncmp(name, buffer,YAFFS_MAX_NAME_LENGTH) == 0) {
|
|
+ if (yaffs_strncmp(name, buffer, YAFFS_MAX_NAME_LENGTH) == 0)
|
|
return l;
|
|
- }
|
|
-
|
|
}
|
|
}
|
|
}
|
|
@@ -6710,10 +6793,10 @@ yaffs_Object *yaffs_FindObjectByName(yaf
|
|
|
|
|
|
#if 0
|
|
-int yaffs_ApplyToDirectoryChildren(yaffs_Object * theDir,
|
|
- int (*fn) (yaffs_Object *))
|
|
+int yaffs_ApplyToDirectoryChildren(yaffs_Object *theDir,
|
|
+ int (*fn) (yaffs_Object *))
|
|
{
|
|
- struct list_head *i;
|
|
+ struct ylist_head *i;
|
|
yaffs_Object *l;
|
|
|
|
if (!theDir) {
|
|
@@ -6722,20 +6805,21 @@ int yaffs_ApplyToDirectoryChildren(yaffs
|
|
("tragedy: yaffs_FindObjectByName: null pointer directory"
|
|
TENDSTR)));
|
|
YBUG();
|
|
+ return YAFFS_FAIL;
|
|
}
|
|
if (theDir->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) {
|
|
T(YAFFS_TRACE_ALWAYS,
|
|
(TSTR
|
|
("tragedy: yaffs_FindObjectByName: non-directory" TENDSTR)));
|
|
YBUG();
|
|
+ return YAFFS_FAIL;
|
|
}
|
|
|
|
- list_for_each(i, &theDir->variant.directoryVariant.children) {
|
|
+ ylist_for_each(i, &theDir->variant.directoryVariant.children) {
|
|
if (i) {
|
|
- l = list_entry(i, yaffs_Object, siblings);
|
|
- if (l && !fn(l)) {
|
|
+ l = ylist_entry(i, yaffs_Object, siblings);
|
|
+ if (l && !fn(l))
|
|
return YAFFS_FAIL;
|
|
- }
|
|
}
|
|
}
|
|
|
|
@@ -6748,7 +6832,7 @@ int yaffs_ApplyToDirectoryChildren(yaffs
|
|
* actual object.
|
|
*/
|
|
|
|
-yaffs_Object *yaffs_GetEquivalentObject(yaffs_Object * obj)
|
|
+yaffs_Object *yaffs_GetEquivalentObject(yaffs_Object *obj)
|
|
{
|
|
if (obj && obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK) {
|
|
/* We want the object id of the equivalent object, not this one */
|
|
@@ -6756,10 +6840,9 @@ yaffs_Object *yaffs_GetEquivalentObject(
|
|
yaffs_CheckObjectDetailsLoaded(obj);
|
|
}
|
|
return obj;
|
|
-
|
|
}
|
|
|
|
-int yaffs_GetObjectName(yaffs_Object * obj, YCHAR * name, int buffSize)
|
|
+int yaffs_GetObjectName(yaffs_Object *obj, YCHAR *name, int buffSize)
|
|
{
|
|
memset(name, 0, buffSize * sizeof(YCHAR));
|
|
|
|
@@ -6767,18 +6850,26 @@ int yaffs_GetObjectName(yaffs_Object * o
|
|
|
|
if (obj->objectId == YAFFS_OBJECTID_LOSTNFOUND) {
|
|
yaffs_strncpy(name, YAFFS_LOSTNFOUND_NAME, buffSize - 1);
|
|
- } else if (obj->chunkId <= 0) {
|
|
+ } else if (obj->hdrChunk <= 0) {
|
|
YCHAR locName[20];
|
|
+ YCHAR numString[20];
|
|
+ YCHAR *x = &numString[19];
|
|
+ unsigned v = obj->objectId;
|
|
+ numString[19] = 0;
|
|
+ while (v > 0) {
|
|
+ x--;
|
|
+ *x = '0' + (v % 10);
|
|
+ v /= 10;
|
|
+ }
|
|
/* make up a name */
|
|
- yaffs_sprintf(locName, _Y("%s%d"), YAFFS_LOSTNFOUND_PREFIX,
|
|
- obj->objectId);
|
|
+ yaffs_strcpy(locName, YAFFS_LOSTNFOUND_PREFIX);
|
|
+ yaffs_strcat(locName, x);
|
|
yaffs_strncpy(name, locName, buffSize - 1);
|
|
|
|
}
|
|
#ifdef CONFIG_YAFFS_SHORT_NAMES_IN_RAM
|
|
- else if (obj->shortName[0]) {
|
|
+ else if (obj->shortName[0])
|
|
yaffs_strcpy(name, obj->shortName);
|
|
- }
|
|
#endif
|
|
else {
|
|
int result;
|
|
@@ -6788,9 +6879,9 @@ int yaffs_GetObjectName(yaffs_Object * o
|
|
|
|
memset(buffer, 0, obj->myDev->nDataBytesPerChunk);
|
|
|
|
- if (obj->chunkId >= 0) {
|
|
+ if (obj->hdrChunk > 0) {
|
|
result = yaffs_ReadChunkWithTagsFromNAND(obj->myDev,
|
|
- obj->chunkId, buffer,
|
|
+ obj->hdrChunk, buffer,
|
|
NULL);
|
|
}
|
|
yaffs_strncpy(name, oh->name, buffSize - 1);
|
|
@@ -6801,46 +6892,43 @@ int yaffs_GetObjectName(yaffs_Object * o
|
|
return yaffs_strlen(name);
|
|
}
|
|
|
|
-int yaffs_GetObjectFileLength(yaffs_Object * obj)
|
|
+int yaffs_GetObjectFileLength(yaffs_Object *obj)
|
|
{
|
|
-
|
|
/* Dereference any hard linking */
|
|
obj = yaffs_GetEquivalentObject(obj);
|
|
|
|
- if (obj->variantType == YAFFS_OBJECT_TYPE_FILE) {
|
|
+ if (obj->variantType == YAFFS_OBJECT_TYPE_FILE)
|
|
return obj->variant.fileVariant.fileSize;
|
|
- }
|
|
- if (obj->variantType == YAFFS_OBJECT_TYPE_SYMLINK) {
|
|
+ if (obj->variantType == YAFFS_OBJECT_TYPE_SYMLINK)
|
|
return yaffs_strlen(obj->variant.symLinkVariant.alias);
|
|
- } else {
|
|
+ else {
|
|
/* Only a directory should drop through to here */
|
|
return obj->myDev->nDataBytesPerChunk;
|
|
}
|
|
}
|
|
|
|
-int yaffs_GetObjectLinkCount(yaffs_Object * obj)
|
|
+int yaffs_GetObjectLinkCount(yaffs_Object *obj)
|
|
{
|
|
int count = 0;
|
|
- struct list_head *i;
|
|
+ struct ylist_head *i;
|
|
|
|
- if (!obj->unlinked) {
|
|
- count++; /* the object itself */
|
|
- }
|
|
- list_for_each(i, &obj->hardLinks) {
|
|
- count++; /* add the hard links; */
|
|
- }
|
|
- return count;
|
|
+ if (!obj->unlinked)
|
|
+ count++; /* the object itself */
|
|
+
|
|
+ ylist_for_each(i, &obj->hardLinks)
|
|
+ count++; /* add the hard links; */
|
|
|
|
+ return count;
|
|
}
|
|
|
|
-int yaffs_GetObjectInode(yaffs_Object * obj)
|
|
+int yaffs_GetObjectInode(yaffs_Object *obj)
|
|
{
|
|
obj = yaffs_GetEquivalentObject(obj);
|
|
|
|
return obj->objectId;
|
|
}
|
|
|
|
-unsigned yaffs_GetObjectType(yaffs_Object * obj)
|
|
+unsigned yaffs_GetObjectType(yaffs_Object *obj)
|
|
{
|
|
obj = yaffs_GetEquivalentObject(obj);
|
|
|
|
@@ -6872,19 +6960,18 @@ unsigned yaffs_GetObjectType(yaffs_Objec
|
|
}
|
|
}
|
|
|
|
-YCHAR *yaffs_GetSymlinkAlias(yaffs_Object * obj)
|
|
+YCHAR *yaffs_GetSymlinkAlias(yaffs_Object *obj)
|
|
{
|
|
obj = yaffs_GetEquivalentObject(obj);
|
|
- if (obj->variantType == YAFFS_OBJECT_TYPE_SYMLINK) {
|
|
+ if (obj->variantType == YAFFS_OBJECT_TYPE_SYMLINK)
|
|
return yaffs_CloneString(obj->variant.symLinkVariant.alias);
|
|
- } else {
|
|
+ else
|
|
return yaffs_CloneString(_Y(""));
|
|
- }
|
|
}
|
|
|
|
#ifndef CONFIG_YAFFS_WINCE
|
|
|
|
-int yaffs_SetAttributes(yaffs_Object * obj, struct iattr *attr)
|
|
+int yaffs_SetAttributes(yaffs_Object *obj, struct iattr *attr)
|
|
{
|
|
unsigned int valid = attr->ia_valid;
|
|
|
|
@@ -6910,7 +6997,7 @@ int yaffs_SetAttributes(yaffs_Object * o
|
|
return YAFFS_OK;
|
|
|
|
}
|
|
-int yaffs_GetAttributes(yaffs_Object * obj, struct iattr *attr)
|
|
+int yaffs_GetAttributes(yaffs_Object *obj, struct iattr *attr)
|
|
{
|
|
unsigned int valid = 0;
|
|
|
|
@@ -6934,13 +7021,12 @@ int yaffs_GetAttributes(yaffs_Object * o
|
|
attr->ia_valid = valid;
|
|
|
|
return YAFFS_OK;
|
|
-
|
|
}
|
|
|
|
#endif
|
|
|
|
#if 0
|
|
-int yaffs_DumpObject(yaffs_Object * obj)
|
|
+int yaffs_DumpObject(yaffs_Object *obj)
|
|
{
|
|
YCHAR name[257];
|
|
|
|
@@ -6951,7 +7037,7 @@ int yaffs_DumpObject(yaffs_Object * obj)
|
|
("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->chunkId,
|
|
+ obj->dirty, obj->valid, obj->serial, obj->sum, obj->hdrChunk,
|
|
yaffs_GetObjectType(obj), yaffs_GetObjectFileLength(obj)));
|
|
|
|
return YAFFS_OK;
|
|
@@ -6960,7 +7046,7 @@ int yaffs_DumpObject(yaffs_Object * obj)
|
|
|
|
/*---------------------------- Initialisation code -------------------------------------- */
|
|
|
|
-static int yaffs_CheckDevFunctions(const yaffs_Device * dev)
|
|
+static int yaffs_CheckDevFunctions(const yaffs_Device *dev)
|
|
{
|
|
|
|
/* Common functions, gotta have */
|
|
@@ -7011,7 +7097,7 @@ static int yaffs_CreateInitialDirectorie
|
|
yaffs_CreateFakeDirectory(dev, YAFFS_OBJECTID_LOSTNFOUND,
|
|
YAFFS_LOSTNFOUND_MODE | S_IFDIR);
|
|
|
|
- if(dev->lostNFoundDir && dev->rootDir && dev->unlinkedDir && dev->deletedDir){
|
|
+ if (dev->lostNFoundDir && dev->rootDir && dev->unlinkedDir && dev->deletedDir) {
|
|
yaffs_AddObjectToDirectory(dev->rootDir, dev->lostNFoundDir);
|
|
return YAFFS_OK;
|
|
}
|
|
@@ -7019,7 +7105,7 @@ static int yaffs_CreateInitialDirectorie
|
|
return YAFFS_FAIL;
|
|
}
|
|
|
|
-int yaffs_GutsInitialise(yaffs_Device * dev)
|
|
+int yaffs_GutsInitialise(yaffs_Device *dev)
|
|
{
|
|
int init_failed = 0;
|
|
unsigned x;
|
|
@@ -7040,6 +7126,8 @@ int yaffs_GutsInitialise(yaffs_Device *
|
|
dev->chunkOffset = 0;
|
|
dev->nFreeChunks = 0;
|
|
|
|
+ dev->gcBlock = -1;
|
|
+
|
|
if (dev->startBlock == 0) {
|
|
dev->internalStartBlock = dev->startBlock + 1;
|
|
dev->internalEndBlock = dev->endBlock + 1;
|
|
@@ -7049,18 +7137,18 @@ int yaffs_GutsInitialise(yaffs_Device *
|
|
|
|
/* Check geometry parameters. */
|
|
|
|
- if ((dev->isYaffs2 && dev->nDataBytesPerChunk < 1024) ||
|
|
- (!dev->isYaffs2 && dev->nDataBytesPerChunk != 512) ||
|
|
+ if ((!dev->inbandTags && dev->isYaffs2 && dev->totalBytesPerChunk < 1024) ||
|
|
+ (!dev->isYaffs2 && dev->totalBytesPerChunk < 512) ||
|
|
+ (dev->inbandTags && !dev->isYaffs2) ||
|
|
dev->nChunksPerBlock < 2 ||
|
|
dev->nReservedBlocks < 2 ||
|
|
dev->internalStartBlock <= 0 ||
|
|
dev->internalEndBlock <= 0 ||
|
|
- dev->internalEndBlock <= (dev->internalStartBlock + dev->nReservedBlocks + 2) // otherwise it is too small
|
|
- ) {
|
|
+ dev->internalEndBlock <= (dev->internalStartBlock + dev->nReservedBlocks + 2)) { /* otherwise it is too small */
|
|
T(YAFFS_TRACE_ALWAYS,
|
|
(TSTR
|
|
- ("yaffs: NAND geometry problems: chunk size %d, type is yaffs%s "
|
|
- TENDSTR), dev->nDataBytesPerChunk, dev->isYaffs2 ? "2" : ""));
|
|
+ ("yaffs: NAND geometry problems: chunk size %d, type is yaffs%s, inbandTags %d "
|
|
+ TENDSTR), dev->totalBytesPerChunk, dev->isYaffs2 ? "2" : "", dev->inbandTags));
|
|
return YAFFS_FAIL;
|
|
}
|
|
|
|
@@ -7070,6 +7158,12 @@ int yaffs_GutsInitialise(yaffs_Device *
|
|
return YAFFS_FAIL;
|
|
}
|
|
|
|
+ /* Sort out space for inband tags, if required */
|
|
+ if (dev->inbandTags)
|
|
+ dev->nDataBytesPerChunk = dev->totalBytesPerChunk - sizeof(yaffs_PackedTags2TagsPart);
|
|
+ else
|
|
+ dev->nDataBytesPerChunk = dev->totalBytesPerChunk;
|
|
+
|
|
/* Got the right mix of functions? */
|
|
if (!yaffs_CheckDevFunctions(dev)) {
|
|
/* Function missing */
|
|
@@ -7097,31 +7191,18 @@ int yaffs_GutsInitialise(yaffs_Device *
|
|
|
|
dev->isMounted = 1;
|
|
|
|
-
|
|
-
|
|
/* OK now calculate a few things for the device */
|
|
|
|
/*
|
|
* Calculate all the chunk size manipulation numbers:
|
|
*/
|
|
- /* Start off assuming it is a power of 2 */
|
|
- dev->chunkShift = ShiftDiv(dev->nDataBytesPerChunk);
|
|
- dev->chunkMask = (1<<dev->chunkShift) - 1;
|
|
-
|
|
- if(dev->nDataBytesPerChunk == (dev->chunkMask + 1)){
|
|
- /* Yes it is a power of 2, disable crumbs */
|
|
- dev->crumbMask = 0;
|
|
- dev->crumbShift = 0;
|
|
- dev->crumbsPerChunk = 0;
|
|
- } else {
|
|
- /* Not a power of 2, use crumbs instead */
|
|
- dev->crumbShift = ShiftDiv(sizeof(yaffs_PackedTags2TagsPart));
|
|
- dev->crumbMask = (1<<dev->crumbShift)-1;
|
|
- dev->crumbsPerChunk = dev->nDataBytesPerChunk/(1 << dev->crumbShift);
|
|
- dev->chunkShift = 0;
|
|
- dev->chunkMask = 0;
|
|
- }
|
|
-
|
|
+ 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;
|
|
|
|
/*
|
|
* Calculate chunkGroupBits.
|
|
@@ -7133,16 +7214,15 @@ int yaffs_GutsInitialise(yaffs_Device *
|
|
bits = ShiftsGE(x);
|
|
|
|
/* Set up tnode width if wide tnodes are enabled. */
|
|
- if(!dev->wideTnodesDisabled){
|
|
+ if (!dev->wideTnodesDisabled) {
|
|
/* bits must be even so that we end up with 32-bit words */
|
|
- if(bits & 1)
|
|
+ if (bits & 1)
|
|
bits++;
|
|
- if(bits < 16)
|
|
+ if (bits < 16)
|
|
dev->tnodeWidth = 16;
|
|
else
|
|
dev->tnodeWidth = bits;
|
|
- }
|
|
- else
|
|
+ } else
|
|
dev->tnodeWidth = 16;
|
|
|
|
dev->tnodeMask = (1<<dev->tnodeWidth)-1;
|
|
@@ -7193,7 +7273,7 @@ int yaffs_GutsInitialise(yaffs_Device *
|
|
dev->hasPendingPrioritisedGCs = 1; /* Assume the worst for now, will get fixed on first GC */
|
|
|
|
/* Initialise temporary buffers and caches. */
|
|
- if(!yaffs_InitialiseTempBuffers(dev))
|
|
+ if (!yaffs_InitialiseTempBuffers(dev))
|
|
init_failed = 1;
|
|
|
|
dev->srCache = NULL;
|
|
@@ -7203,25 +7283,26 @@ int yaffs_GutsInitialise(yaffs_Device *
|
|
if (!init_failed &&
|
|
dev->nShortOpCaches > 0) {
|
|
int i;
|
|
- __u8 *buf;
|
|
+ void *buf;
|
|
int srCacheBytes = dev->nShortOpCaches * sizeof(yaffs_ChunkCache);
|
|
|
|
- if (dev->nShortOpCaches > YAFFS_MAX_SHORT_OP_CACHES) {
|
|
+ if (dev->nShortOpCaches > YAFFS_MAX_SHORT_OP_CACHES)
|
|
dev->nShortOpCaches = YAFFS_MAX_SHORT_OP_CACHES;
|
|
- }
|
|
|
|
- buf = dev->srCache = YMALLOC(srCacheBytes);
|
|
+ dev->srCache = YMALLOC(srCacheBytes);
|
|
|
|
- if(dev->srCache)
|
|
- memset(dev->srCache,0,srCacheBytes);
|
|
+ buf = (__u8 *) dev->srCache;
|
|
+
|
|
+ if (dev->srCache)
|
|
+ memset(dev->srCache, 0, srCacheBytes);
|
|
|
|
for (i = 0; i < dev->nShortOpCaches && buf; i++) {
|
|
dev->srCache[i].object = NULL;
|
|
dev->srCache[i].lastUse = 0;
|
|
dev->srCache[i].dirty = 0;
|
|
- dev->srCache[i].data = buf = YMALLOC_DMA(dev->nDataBytesPerChunk);
|
|
+ dev->srCache[i].data = buf = YMALLOC_DMA(dev->totalBytesPerChunk);
|
|
}
|
|
- if(!buf)
|
|
+ if (!buf)
|
|
init_failed = 1;
|
|
|
|
dev->srLastUse = 0;
|
|
@@ -7229,29 +7310,30 @@ int yaffs_GutsInitialise(yaffs_Device *
|
|
|
|
dev->cacheHits = 0;
|
|
|
|
- if(!init_failed){
|
|
+ if (!init_failed) {
|
|
dev->gcCleanupList = YMALLOC(dev->nChunksPerBlock * sizeof(__u32));
|
|
- if(!dev->gcCleanupList)
|
|
+ if (!dev->gcCleanupList)
|
|
init_failed = 1;
|
|
}
|
|
|
|
- if (dev->isYaffs2) {
|
|
+ if (dev->isYaffs2)
|
|
dev->useHeaderFileSize = 1;
|
|
- }
|
|
- if(!init_failed && !yaffs_InitialiseBlocks(dev))
|
|
+
|
|
+ if (!init_failed && !yaffs_InitialiseBlocks(dev))
|
|
init_failed = 1;
|
|
|
|
yaffs_InitialiseTnodes(dev);
|
|
yaffs_InitialiseObjects(dev);
|
|
|
|
- if(!init_failed && !yaffs_CreateInitialDirectories(dev))
|
|
+ if (!init_failed && !yaffs_CreateInitialDirectories(dev))
|
|
init_failed = 1;
|
|
|
|
|
|
- if(!init_failed){
|
|
+ if (!init_failed) {
|
|
/* Now scan the flash. */
|
|
if (dev->isYaffs2) {
|
|
- if(yaffs_CheckpointRestore(dev)) {
|
|
+ if (yaffs_CheckpointRestore(dev)) {
|
|
+ yaffs_CheckObjectDetailsLoaded(dev->rootDir);
|
|
T(YAFFS_TRACE_ALWAYS,
|
|
(TSTR("yaffs: restored from checkpoint" TENDSTR)));
|
|
} else {
|
|
@@ -7273,24 +7355,25 @@ int yaffs_GutsInitialise(yaffs_Device *
|
|
dev->nBackgroundDeletions = 0;
|
|
dev->oldestDirtySequence = 0;
|
|
|
|
- if(!init_failed && !yaffs_InitialiseBlocks(dev))
|
|
+ if (!init_failed && !yaffs_InitialiseBlocks(dev))
|
|
init_failed = 1;
|
|
|
|
yaffs_InitialiseTnodes(dev);
|
|
yaffs_InitialiseObjects(dev);
|
|
|
|
- if(!init_failed && !yaffs_CreateInitialDirectories(dev))
|
|
+ if (!init_failed && !yaffs_CreateInitialDirectories(dev))
|
|
init_failed = 1;
|
|
|
|
- if(!init_failed && !yaffs_ScanBackwards(dev))
|
|
+ if (!init_failed && !yaffs_ScanBackwards(dev))
|
|
init_failed = 1;
|
|
}
|
|
- }else
|
|
- if(!yaffs_Scan(dev))
|
|
+ } else if (!yaffs_Scan(dev))
|
|
init_failed = 1;
|
|
+
|
|
+ yaffs_StripDeletedObjects(dev);
|
|
}
|
|
|
|
- if(init_failed){
|
|
+ if (init_failed) {
|
|
/* Clean up the mess */
|
|
T(YAFFS_TRACE_TRACING,
|
|
(TSTR("yaffs: yaffs_GutsInitialise() aborted.\n" TENDSTR)));
|
|
@@ -7318,7 +7401,7 @@ int yaffs_GutsInitialise(yaffs_Device *
|
|
|
|
}
|
|
|
|
-void yaffs_Deinitialise(yaffs_Device * dev)
|
|
+void yaffs_Deinitialise(yaffs_Device *dev)
|
|
{
|
|
if (dev->isMounted) {
|
|
int i;
|
|
@@ -7330,7 +7413,7 @@ void yaffs_Deinitialise(yaffs_Device * d
|
|
dev->srCache) {
|
|
|
|
for (i = 0; i < dev->nShortOpCaches; i++) {
|
|
- if(dev->srCache[i].data)
|
|
+ if (dev->srCache[i].data)
|
|
YFREE(dev->srCache[i].data);
|
|
dev->srCache[i].data = NULL;
|
|
}
|
|
@@ -7341,16 +7424,17 @@ void yaffs_Deinitialise(yaffs_Device * d
|
|
|
|
YFREE(dev->gcCleanupList);
|
|
|
|
- for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) {
|
|
+ for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++)
|
|
YFREE(dev->tempBuffer[i].buffer);
|
|
- }
|
|
|
|
dev->isMounted = 0;
|
|
- }
|
|
|
|
+ if (dev->deinitialiseNAND)
|
|
+ dev->deinitialiseNAND(dev);
|
|
+ }
|
|
}
|
|
|
|
-static int yaffs_CountFreeChunks(yaffs_Device * dev)
|
|
+static int yaffs_CountFreeChunks(yaffs_Device *dev)
|
|
{
|
|
int nFree;
|
|
int b;
|
|
@@ -7358,7 +7442,7 @@ static int yaffs_CountFreeChunks(yaffs_D
|
|
yaffs_BlockInfo *blk;
|
|
|
|
for (nFree = 0, b = dev->internalStartBlock; b <= dev->internalEndBlock;
|
|
- b++) {
|
|
+ b++) {
|
|
blk = yaffs_GetBlockInfo(dev, b);
|
|
|
|
switch (blk->blockState) {
|
|
@@ -7373,19 +7457,19 @@ static int yaffs_CountFreeChunks(yaffs_D
|
|
default:
|
|
break;
|
|
}
|
|
-
|
|
}
|
|
|
|
return nFree;
|
|
}
|
|
|
|
-int yaffs_GetNumberOfFreeChunks(yaffs_Device * dev)
|
|
+int yaffs_GetNumberOfFreeChunks(yaffs_Device *dev)
|
|
{
|
|
/* This is what we report to the outside world */
|
|
|
|
int nFree;
|
|
int nDirtyCacheChunks;
|
|
int blocksForCheckpoint;
|
|
+ int i;
|
|
|
|
#if 1
|
|
nFree = dev->nFreeChunks;
|
|
@@ -7397,12 +7481,9 @@ int yaffs_GetNumberOfFreeChunks(yaffs_De
|
|
|
|
/* Now count the number of dirty chunks in the cache and subtract those */
|
|
|
|
- {
|
|
- int i;
|
|
- for (nDirtyCacheChunks = 0, i = 0; i < dev->nShortOpCaches; i++) {
|
|
- if (dev->srCache[i].dirty)
|
|
- nDirtyCacheChunks++;
|
|
- }
|
|
+ for (nDirtyCacheChunks = 0, i = 0; i < dev->nShortOpCaches; i++) {
|
|
+ if (dev->srCache[i].dirty)
|
|
+ nDirtyCacheChunks++;
|
|
}
|
|
|
|
nFree -= nDirtyCacheChunks;
|
|
@@ -7410,8 +7491,8 @@ int yaffs_GetNumberOfFreeChunks(yaffs_De
|
|
nFree -= ((dev->nReservedBlocks + 1) * dev->nChunksPerBlock);
|
|
|
|
/* Now we figure out how much to reserve for the checkpoint and report that... */
|
|
- blocksForCheckpoint = dev->nCheckpointReservedBlocks - dev->blocksInCheckpoint;
|
|
- if(blocksForCheckpoint < 0)
|
|
+ blocksForCheckpoint = yaffs_CalcCheckpointBlocksRequired(dev) - dev->blocksInCheckpoint;
|
|
+ if (blocksForCheckpoint < 0)
|
|
blocksForCheckpoint = 0;
|
|
|
|
nFree -= (blocksForCheckpoint * dev->nChunksPerBlock);
|
|
@@ -7425,12 +7506,12 @@ int yaffs_GetNumberOfFreeChunks(yaffs_De
|
|
|
|
static int yaffs_freeVerificationFailures;
|
|
|
|
-static void yaffs_VerifyFreeChunks(yaffs_Device * dev)
|
|
+static void yaffs_VerifyFreeChunks(yaffs_Device *dev)
|
|
{
|
|
int counted;
|
|
int difference;
|
|
|
|
- if(yaffs_SkipVerification(dev))
|
|
+ if (yaffs_SkipVerification(dev))
|
|
return;
|
|
|
|
counted = yaffs_CountFreeChunks(dev);
|
|
@@ -7447,23 +7528,25 @@ static void yaffs_VerifyFreeChunks(yaffs
|
|
|
|
/*---------------------------------------- YAFFS test code ----------------------*/
|
|
|
|
-#define yaffs_CheckStruct(structure,syze, name) \
|
|
- if(sizeof(structure) != syze) \
|
|
- { \
|
|
- T(YAFFS_TRACE_ALWAYS,(TSTR("%s should be %d but is %d\n" TENDSTR),\
|
|
- name,syze,sizeof(structure))); \
|
|
- return YAFFS_FAIL; \
|
|
- }
|
|
+#define yaffs_CheckStruct(structure, syze, name) \
|
|
+ do { \
|
|
+ if (sizeof(structure) != syze) { \
|
|
+ T(YAFFS_TRACE_ALWAYS, (TSTR("%s should be %d but is %d\n" TENDSTR),\
|
|
+ name, syze, sizeof(structure))); \
|
|
+ return YAFFS_FAIL; \
|
|
+ } \
|
|
+ } while (0)
|
|
|
|
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") */
|
|
+/* 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")
|
|
+ yaffs_CheckStruct(yaffs_Tnode, 2 * YAFFS_NTNODES_LEVEL0, "yaffs_Tnode");
|
|
#endif
|
|
- yaffs_CheckStruct(yaffs_ObjectHeader, 512, "yaffs_ObjectHeader")
|
|
-
|
|
- return YAFFS_OK;
|
|
+#ifndef CONFIG_YAFFS_WINCE
|
|
+ yaffs_CheckStruct(yaffs_ObjectHeader, 512, "yaffs_ObjectHeader");
|
|
+#endif
|
|
+ return YAFFS_OK;
|
|
}
|
|
--- a/fs/yaffs2/yaffs_guts.h
|
|
+++ b/fs/yaffs2/yaffs_guts.h
|
|
@@ -90,7 +90,7 @@
|
|
|
|
#define YAFFS_MAX_SHORT_OP_CACHES 20
|
|
|
|
-#define YAFFS_N_TEMP_BUFFERS 4
|
|
+#define YAFFS_N_TEMP_BUFFERS 6
|
|
|
|
/* We limit the number attempts at sucessfully saving a chunk of data.
|
|
* Small-page devices have 32 pages per block; large-page devices have 64.
|
|
@@ -108,6 +108,9 @@
|
|
#define YAFFS_LOWEST_SEQUENCE_NUMBER 0x00001000
|
|
#define YAFFS_HIGHEST_SEQUENCE_NUMBER 0xEFFFFF00
|
|
|
|
+/* Special sequence number for bad block that failed to be marked bad */
|
|
+#define YAFFS_SEQUENCE_BAD_BLOCK 0xFFFF0000
|
|
+
|
|
/* ChunkCache is used for short read/write operations.*/
|
|
typedef struct {
|
|
struct yaffs_ObjectStruct *object;
|
|
@@ -134,11 +137,10 @@ typedef struct {
|
|
typedef struct {
|
|
unsigned chunkId:20;
|
|
unsigned serialNumber:2;
|
|
- unsigned byteCount:10;
|
|
+ unsigned byteCountLSB:10;
|
|
unsigned objectId:18;
|
|
unsigned ecc:12;
|
|
- unsigned unusedStuff:2;
|
|
-
|
|
+ unsigned byteCountMSB:2;
|
|
} yaffs_Tags;
|
|
|
|
typedef union {
|
|
@@ -277,13 +279,13 @@ typedef struct {
|
|
|
|
int softDeletions:10; /* number of soft deleted pages */
|
|
int pagesInUse:10; /* number of pages in use */
|
|
- yaffs_BlockState blockState:4; /* One of the above block states */
|
|
+ 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 */
|
|
- /* 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.
|
|
+ /* 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.
|
|
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 chunkErrorStrikes: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 */
|
|
@@ -300,11 +302,11 @@ typedef struct {
|
|
|
|
/* Apply to everything */
|
|
int parentObjectId;
|
|
- __u16 sum__NoLongerUsed; /* checksum of name. No longer used */
|
|
+ __u16 sum__NoLongerUsed; /* checksum of name. No longer used */
|
|
YCHAR name[YAFFS_MAX_NAME_LENGTH + 1];
|
|
|
|
- /* Thes following apply to directories, files, symlinks - not hard links */
|
|
- __u32 yst_mode; /* protection */
|
|
+ /* The following apply to directories, files, symlinks - not hard links */
|
|
+ __u32 yst_mode; /* protection */
|
|
|
|
#ifdef CONFIG_YAFFS_WINCE
|
|
__u32 notForWinCE[5];
|
|
@@ -331,11 +333,14 @@ typedef struct {
|
|
__u32 win_ctime[2];
|
|
__u32 win_atime[2];
|
|
__u32 win_mtime[2];
|
|
- __u32 roomToGrow[4];
|
|
#else
|
|
- __u32 roomToGrow[10];
|
|
+ __u32 roomToGrow[6];
|
|
+
|
|
#endif
|
|
+ __u32 inbandShadowsObject;
|
|
+ __u32 inbandIsShrink;
|
|
|
|
+ __u32 reservedSpace[2];
|
|
int shadowsObject; /* This object header shadows the specified object if > 0 */
|
|
|
|
/* isShrink applies to object headers written when we shrink the file (ie resize) */
|
|
@@ -381,7 +386,7 @@ typedef struct {
|
|
} yaffs_FileStructure;
|
|
|
|
typedef struct {
|
|
- struct list_head children; /* list of child links */
|
|
+ struct ylist_head children; /* list of child links */
|
|
} yaffs_DirectoryStructure;
|
|
|
|
typedef struct {
|
|
@@ -418,23 +423,24 @@ struct yaffs_ObjectStruct {
|
|
* 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 serial; /* serial number of chunk in NAND. Cached here */
|
|
__u16 sum; /* sum of the name to speed searching */
|
|
|
|
- struct yaffs_DeviceStruct *myDev; /* The device I'm on */
|
|
+ struct yaffs_DeviceStruct *myDev; /* The device I'm on */
|
|
|
|
- struct list_head hashLink; /* list of objects in this hash bucket */
|
|
+ struct ylist_head hashLink; /* list of objects in this hash bucket */
|
|
|
|
- struct list_head hardLinks; /* all the equivalent hard linked objects */
|
|
+ struct ylist_head hardLinks; /* all the equivalent hard linked objects */
|
|
|
|
/* directory structure stuff */
|
|
/* also used for linking up the free list */
|
|
struct yaffs_ObjectStruct *parent;
|
|
- struct list_head siblings;
|
|
+ struct ylist_head siblings;
|
|
|
|
/* Where's my object header in NAND? */
|
|
- int chunkId;
|
|
+ int hdrChunk;
|
|
|
|
int nDataChunks; /* Number of data chunks attached to the file. */
|
|
|
|
@@ -485,7 +491,7 @@ struct yaffs_ObjectList_struct {
|
|
typedef struct yaffs_ObjectList_struct yaffs_ObjectList;
|
|
|
|
typedef struct {
|
|
- struct list_head list;
|
|
+ struct ylist_head list;
|
|
int count;
|
|
} yaffs_ObjectBucket;
|
|
|
|
@@ -495,11 +501,10 @@ typedef struct {
|
|
*/
|
|
|
|
typedef struct {
|
|
- int structType;
|
|
+ int structType;
|
|
__u32 objectId;
|
|
__u32 parentId;
|
|
- int chunkId;
|
|
-
|
|
+ int hdrChunk;
|
|
yaffs_ObjectType variantType:3;
|
|
__u8 deleted:1;
|
|
__u8 softDeleted:1;
|
|
@@ -511,8 +516,7 @@ typedef struct {
|
|
|
|
int nDataChunks;
|
|
__u32 fileSizeOrEquivalentObjectId;
|
|
-
|
|
-}yaffs_CheckpointObject;
|
|
+} yaffs_CheckpointObject;
|
|
|
|
/*--------------------- Temporary buffers ----------------
|
|
*
|
|
@@ -528,13 +532,13 @@ typedef struct {
|
|
/*----------------- Device ---------------------------------*/
|
|
|
|
struct yaffs_DeviceStruct {
|
|
- struct list_head devList;
|
|
+ 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 */
|
|
int nChunksPerBlock; /* does not need to be a power of 2 */
|
|
- int nBytesPerSpare; /* spare area size */
|
|
+ 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 */
|
|
@@ -544,9 +548,7 @@ struct yaffs_DeviceStruct {
|
|
/* 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 nCheckpointReservedBlocks; */ /* Blocks to reserve for checkpoint data */
|
|
|
|
|
|
int nShortOpCaches; /* If <= 0, then short op caching is disabled, else
|
|
@@ -560,30 +562,31 @@ struct yaffs_DeviceStruct {
|
|
void *genericDevice; /* Pointer to device context
|
|
* On an mtd this holds the mtd pointer.
|
|
*/
|
|
- void *superBlock;
|
|
+ void *superBlock;
|
|
|
|
/* NAND access functions (Must be set before calling YAFFS)*/
|
|
|
|
- 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 (*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);
|
|
|
|
#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, int *sequenceNumber);
|
|
+ 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;
|
|
@@ -595,10 +598,12 @@ struct yaffs_DeviceStruct {
|
|
void (*removeObjectCallback)(struct yaffs_ObjectStruct *obj);
|
|
|
|
/* Callback to mark the superblock dirsty */
|
|
- void (*markSuperBlockDirty)(void * superblock);
|
|
+ void (*markSuperBlockDirty)(void *superblock);
|
|
|
|
int wideTnodesDisabled; /* Set to disable wide tnodes */
|
|
|
|
+ YCHAR *pathDividers; /* String of legal path dividers */
|
|
+
|
|
|
|
/* End of stuff that must be set before initialisation. */
|
|
|
|
@@ -615,16 +620,14 @@ struct yaffs_DeviceStruct {
|
|
__u32 tnodeWidth;
|
|
__u32 tnodeMask;
|
|
|
|
- /* Stuff to support various file offses to chunk/offset translations */
|
|
- /* "Crumbs" for nDataBytesPerChunk not being a power of 2 */
|
|
- __u32 crumbMask;
|
|
- __u32 crumbShift;
|
|
- __u32 crumbsPerChunk;
|
|
-
|
|
- /* Straight shifting for nDataBytesPerChunk being a power of 2 */
|
|
- __u32 chunkShift;
|
|
- __u32 chunkMask;
|
|
-
|
|
+ /* 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 */
|
|
+
|
|
+ /* Stuff to handle inband tags */
|
|
+ int inbandTags;
|
|
+ __u32 totalBytesPerChunk;
|
|
|
|
#ifdef __KERNEL__
|
|
|
|
@@ -633,7 +636,7 @@ struct yaffs_DeviceStruct {
|
|
__u8 *spareBuffer; /* For mtdif2 use. Don't know the size of the buffer
|
|
* at compile time so we have to allocate it.
|
|
*/
|
|
- void (*putSuperFunc) (struct super_block * sb);
|
|
+ void (*putSuperFunc) (struct super_block *sb);
|
|
#endif
|
|
|
|
int isMounted;
|
|
@@ -663,6 +666,8 @@ struct yaffs_DeviceStruct {
|
|
__u32 checkpointSum;
|
|
__u32 checkpointXor;
|
|
|
|
+ int nCheckpointBlocksRequired; /* Number of blocks needed to store current checkpoint set */
|
|
+
|
|
/* Block Info */
|
|
yaffs_BlockInfo *blockInfo;
|
|
__u8 *chunkBits; /* bitmap of chunks in use */
|
|
@@ -684,11 +689,15 @@ struct yaffs_DeviceStruct {
|
|
yaffs_TnodeList *allocatedTnodeList;
|
|
|
|
int isDoingGC;
|
|
+ int gcBlock;
|
|
+ int gcChunk;
|
|
|
|
int nObjectsCreated;
|
|
yaffs_Object *freeObjects;
|
|
int nFreeObjects;
|
|
|
|
+ int nHardLinks;
|
|
+
|
|
yaffs_ObjectList *allocatedObjectList;
|
|
|
|
yaffs_ObjectBucket objectBucket[YAFFS_NOBJECT_BUCKETS];
|
|
@@ -745,8 +754,10 @@ struct yaffs_DeviceStruct {
|
|
int nBackgroundDeletions; /* Count of background deletions. */
|
|
|
|
|
|
+ /* Temporary buffer management */
|
|
yaffs_TempBuffer tempBuffer[YAFFS_N_TEMP_BUFFERS];
|
|
int maxTemp;
|
|
+ int tempInUse;
|
|
int unmanagedTempAllocations;
|
|
int unmanagedTempDeallocations;
|
|
|
|
@@ -758,9 +769,9 @@ struct yaffs_DeviceStruct {
|
|
|
|
typedef struct yaffs_DeviceStruct yaffs_Device;
|
|
|
|
-/* The static layout of bllock usage etc is stored in the super block header */
|
|
+/* The static layout of block usage etc is stored in the super block header */
|
|
typedef struct {
|
|
- int StructType;
|
|
+ int StructType;
|
|
int version;
|
|
int checkpointStartBlock;
|
|
int checkpointEndBlock;
|
|
@@ -773,7 +784,7 @@ typedef struct {
|
|
* must be preserved over unmount/mount cycles.
|
|
*/
|
|
typedef struct {
|
|
- int structType;
|
|
+ int structType;
|
|
int nErasedBlocks;
|
|
int allocationBlock; /* Current block being allocated off */
|
|
__u32 allocationPage;
|
|
@@ -791,57 +802,45 @@ typedef struct {
|
|
|
|
|
|
typedef struct {
|
|
- int structType;
|
|
- __u32 magic;
|
|
- __u32 version;
|
|
- __u32 head;
|
|
+ int structType;
|
|
+ __u32 magic;
|
|
+ __u32 version;
|
|
+ __u32 head;
|
|
} yaffs_CheckpointValidity;
|
|
|
|
-/* Function to manipulate block info */
|
|
-static Y_INLINE yaffs_BlockInfo *yaffs_GetBlockInfo(yaffs_Device * dev, int blk)
|
|
-{
|
|
- if (blk < dev->internalStartBlock || blk > dev->internalEndBlock) {
|
|
- T(YAFFS_TRACE_ERROR,
|
|
- (TSTR
|
|
- ("**>> yaffs: getBlockInfo block %d is not valid" TENDSTR),
|
|
- blk));
|
|
- YBUG();
|
|
- }
|
|
- return &dev->blockInfo[blk - dev->internalStartBlock];
|
|
-}
|
|
|
|
/*----------------------- YAFFS Functions -----------------------*/
|
|
|
|
-int yaffs_GutsInitialise(yaffs_Device * dev);
|
|
-void yaffs_Deinitialise(yaffs_Device * dev);
|
|
+int yaffs_GutsInitialise(yaffs_Device *dev);
|
|
+void yaffs_Deinitialise(yaffs_Device *dev);
|
|
|
|
-int yaffs_GetNumberOfFreeChunks(yaffs_Device * dev);
|
|
+int yaffs_GetNumberOfFreeChunks(yaffs_Device *dev);
|
|
|
|
-int yaffs_RenameObject(yaffs_Object * oldDir, const YCHAR * oldName,
|
|
- yaffs_Object * newDir, const YCHAR * newName);
|
|
+int yaffs_RenameObject(yaffs_Object *oldDir, const YCHAR *oldName,
|
|
+ yaffs_Object *newDir, const YCHAR *newName);
|
|
|
|
-int yaffs_Unlink(yaffs_Object * dir, const YCHAR * name);
|
|
-int yaffs_DeleteFile(yaffs_Object * obj);
|
|
+int yaffs_Unlink(yaffs_Object *dir, const YCHAR *name);
|
|
+int yaffs_DeleteObject(yaffs_Object *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_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_SetAttributes(yaffs_Object * obj, struct iattr *attr);
|
|
-int yaffs_GetAttributes(yaffs_Object * obj, struct iattr *attr);
|
|
+int yaffs_SetAttributes(yaffs_Object *obj, struct iattr *attr);
|
|
+int yaffs_GetAttributes(yaffs_Object *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);
|
|
-
|
|
-yaffs_Object *yaffs_MknodFile(yaffs_Object * parent, const YCHAR * name,
|
|
- __u32 mode, __u32 uid, __u32 gid);
|
|
-int yaffs_FlushFile(yaffs_Object * obj, int updateTime);
|
|
+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);
|
|
+
|
|
+yaffs_Object *yaffs_MknodFile(yaffs_Object *parent, const YCHAR *name,
|
|
+ __u32 mode, __u32 uid, __u32 gid);
|
|
+int yaffs_FlushFile(yaffs_Object *obj, int updateTime);
|
|
|
|
/* Flushing and checkpointing */
|
|
void yaffs_FlushEntireDeviceCache(yaffs_Device *dev);
|
|
@@ -850,33 +849,33 @@ int yaffs_CheckpointSave(yaffs_Device *d
|
|
int yaffs_CheckpointRestore(yaffs_Device *dev);
|
|
|
|
/* Directory operations */
|
|
-yaffs_Object *yaffs_MknodDirectory(yaffs_Object * 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,
|
|
+yaffs_Object *yaffs_MknodDirectory(yaffs_Object *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_Object *yaffs_FindObjectByNumber(yaffs_Device * dev, __u32 number);
|
|
+yaffs_Object *yaffs_FindObjectByNumber(yaffs_Device *dev, __u32 number);
|
|
|
|
/* Link operations */
|
|
-yaffs_Object *yaffs_Link(yaffs_Object * parent, const YCHAR * name,
|
|
- yaffs_Object * equivalentObject);
|
|
+yaffs_Object *yaffs_Link(yaffs_Object *parent, const YCHAR *name,
|
|
+ yaffs_Object *equivalentObject);
|
|
|
|
-yaffs_Object *yaffs_GetEquivalentObject(yaffs_Object * obj);
|
|
+yaffs_Object *yaffs_GetEquivalentObject(yaffs_Object *obj);
|
|
|
|
/* Symlink operations */
|
|
-yaffs_Object *yaffs_MknodSymLink(yaffs_Object * parent, const YCHAR * name,
|
|
+yaffs_Object *yaffs_MknodSymLink(yaffs_Object *parent, const YCHAR *name,
|
|
__u32 mode, __u32 uid, __u32 gid,
|
|
- const YCHAR * alias);
|
|
-YCHAR *yaffs_GetSymlinkAlias(yaffs_Object * obj);
|
|
+ const YCHAR *alias);
|
|
+YCHAR *yaffs_GetSymlinkAlias(yaffs_Object *obj);
|
|
|
|
/* Special inodes (fifos, sockets and devices) */
|
|
-yaffs_Object *yaffs_MknodSpecial(yaffs_Object * parent, const YCHAR * name,
|
|
+yaffs_Object *yaffs_MknodSpecial(yaffs_Object *parent, const YCHAR *name,
|
|
__u32 mode, __u32 uid, __u32 gid, __u32 rdev);
|
|
|
|
/* Special directories */
|
|
-yaffs_Object *yaffs_Root(yaffs_Device * dev);
|
|
-yaffs_Object *yaffs_LostNFound(yaffs_Device * dev);
|
|
+yaffs_Object *yaffs_Root(yaffs_Device *dev);
|
|
+yaffs_Object *yaffs_LostNFound(yaffs_Device *dev);
|
|
|
|
#ifdef CONFIG_YAFFS_WINCE
|
|
/* CONFIG_YAFFS_WINCE special stuff */
|
|
@@ -885,18 +884,21 @@ void yfsd_WinFileTimeNow(__u32 target[2]
|
|
|
|
#ifdef __KERNEL__
|
|
|
|
-void yaffs_HandleDeferedFree(yaffs_Object * obj);
|
|
+void yaffs_HandleDeferedFree(yaffs_Object *obj);
|
|
#endif
|
|
|
|
/* Debug dump */
|
|
-int yaffs_DumpObject(yaffs_Object * obj);
|
|
+int yaffs_DumpObject(yaffs_Object *obj);
|
|
|
|
-void yaffs_GutsTest(yaffs_Device * dev);
|
|
+void yaffs_GutsTest(yaffs_Device *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_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);
|
|
|
|
+__u8 *yaffs_GetTempBuffer(yaffs_Device *dev, int lineNo);
|
|
+void yaffs_ReleaseTempBuffer(yaffs_Device *dev, __u8 *buffer, int lineNo);
|
|
+
|
|
#endif
|
|
--- a/fs/yaffs2/yaffs_mtdif1.c
|
|
+++ b/fs/yaffs2/yaffs_mtdif1.c
|
|
@@ -26,7 +26,7 @@
|
|
#include "yportenv.h"
|
|
#include "yaffs_guts.h"
|
|
#include "yaffs_packedtags1.h"
|
|
-#include "yaffs_tagscompat.h" // for yaffs_CalcTagsECC
|
|
+#include "yaffs_tagscompat.h" /* for yaffs_CalcTagsECC */
|
|
|
|
#include "linux/kernel.h"
|
|
#include "linux/version.h"
|
|
@@ -34,9 +34,9 @@
|
|
#include "linux/mtd/mtd.h"
|
|
|
|
/* Don't compile this module if we don't have MTD's mtd_oob_ops interface */
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
|
|
+#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17))
|
|
|
|
-const char *yaffs_mtdif1_c_version = "$Id: yaffs_mtdif1.c,v 1.3 2007/05/15 20:16:11 ian Exp $";
|
|
+const char *yaffs_mtdif1_c_version = "$Id: yaffs_mtdif1.c,v 1.10 2009-03-09 07:41:10 charles Exp $";
|
|
|
|
#ifndef CONFIG_YAFFS_9BYTE_TAGS
|
|
# define YTAG1_SIZE 8
|
|
@@ -89,9 +89,9 @@ static struct nand_ecclayout nand_oob_16
|
|
* Returns YAFFS_OK or YAFFS_FAIL.
|
|
*/
|
|
int nandmtd1_WriteChunkWithTagsToNAND(yaffs_Device *dev,
|
|
- int chunkInNAND, const __u8 * data, const yaffs_ExtendedTags * etags)
|
|
+ int chunkInNAND, const __u8 *data, const yaffs_ExtendedTags *etags)
|
|
{
|
|
- struct mtd_info * mtd = dev->genericDevice;
|
|
+ struct mtd_info *mtd = dev->genericDevice;
|
|
int chunkBytes = dev->nDataBytesPerChunk;
|
|
loff_t addr = ((loff_t)chunkInNAND) * chunkBytes;
|
|
struct mtd_oob_ops ops;
|
|
@@ -146,7 +146,7 @@ int nandmtd1_WriteChunkWithTagsToNAND(ya
|
|
|
|
/* Return with empty ExtendedTags but add eccResult.
|
|
*/
|
|
-static int rettags(yaffs_ExtendedTags * etags, int eccResult, int retval)
|
|
+static int rettags(yaffs_ExtendedTags *etags, int eccResult, int retval)
|
|
{
|
|
if (etags) {
|
|
memset(etags, 0, sizeof(*etags));
|
|
@@ -169,9 +169,9 @@ static int rettags(yaffs_ExtendedTags *
|
|
* Returns YAFFS_OK or YAFFS_FAIL.
|
|
*/
|
|
int nandmtd1_ReadChunkWithTagsFromNAND(yaffs_Device *dev,
|
|
- int chunkInNAND, __u8 * data, yaffs_ExtendedTags * etags)
|
|
+ int chunkInNAND, __u8 *data, yaffs_ExtendedTags *etags)
|
|
{
|
|
- struct mtd_info * mtd = dev->genericDevice;
|
|
+ struct mtd_info *mtd = dev->genericDevice;
|
|
int chunkBytes = dev->nDataBytesPerChunk;
|
|
loff_t addr = ((loff_t)chunkInNAND) * chunkBytes;
|
|
int eccres = YAFFS_ECC_RESULT_NO_ERROR;
|
|
@@ -189,7 +189,7 @@ int nandmtd1_ReadChunkWithTagsFromNAND(y
|
|
ops.datbuf = data;
|
|
ops.oobbuf = (__u8 *)&pt1;
|
|
|
|
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20))
|
|
+#if (MTD_VERSION_CODE < MTD_VERSION(2, 6, 20))
|
|
/* In MTD 2.6.18 to 2.6.19 nand_base.c:nand_do_read_oob() has a bug;
|
|
* help it out with ops.len = ops.ooblen when ops.datbuf == NULL.
|
|
*/
|
|
@@ -284,11 +284,11 @@ int nandmtd1_ReadChunkWithTagsFromNAND(y
|
|
*/
|
|
int nandmtd1_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo)
|
|
{
|
|
- struct mtd_info * mtd = dev->genericDevice;
|
|
+ struct mtd_info *mtd = dev->genericDevice;
|
|
int blocksize = dev->nChunksPerBlock * dev->nDataBytesPerChunk;
|
|
int retval;
|
|
|
|
- yaffs_trace(YAFFS_TRACE_BAD_BLOCKS, "marking block %d bad", blockNo);
|
|
+ yaffs_trace(YAFFS_TRACE_BAD_BLOCKS, "marking block %d bad\n", blockNo);
|
|
|
|
retval = mtd->block_markbad(mtd, (loff_t)blocksize * blockNo);
|
|
return (retval) ? YAFFS_FAIL : YAFFS_OK;
|
|
@@ -298,7 +298,7 @@ int nandmtd1_MarkNANDBlockBad(struct yaf
|
|
*
|
|
* Returns YAFFS_OK or YAFFS_FAIL.
|
|
*/
|
|
-static int nandmtd1_TestPrerequists(struct mtd_info * mtd)
|
|
+static int nandmtd1_TestPrerequists(struct mtd_info *mtd)
|
|
{
|
|
/* 2.6.18 has mtd->ecclayout->oobavail */
|
|
/* 2.6.21 has mtd->ecclayout->oobavail and mtd->oobavail */
|
|
@@ -323,10 +323,11 @@ static int nandmtd1_TestPrerequists(stru
|
|
* Always returns YAFFS_OK.
|
|
*/
|
|
int nandmtd1_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo,
|
|
- yaffs_BlockState * pState, int *pSequenceNumber)
|
|
+ yaffs_BlockState *pState, __u32 *pSequenceNumber)
|
|
{
|
|
- struct mtd_info * mtd = dev->genericDevice;
|
|
+ struct mtd_info *mtd = dev->genericDevice;
|
|
int chunkNo = blockNo * dev->nChunksPerBlock;
|
|
+ loff_t addr = (loff_t)chunkNo * dev->nDataBytesPerChunk;
|
|
yaffs_ExtendedTags etags;
|
|
int state = YAFFS_BLOCK_STATE_DEAD;
|
|
int seqnum = 0;
|
|
@@ -335,21 +336,22 @@ int nandmtd1_QueryNANDBlock(struct yaffs
|
|
/* We don't yet have a good place to test for MTD config prerequists.
|
|
* Do it here as we are called during the initial scan.
|
|
*/
|
|
- if (nandmtd1_TestPrerequists(mtd) != YAFFS_OK) {
|
|
+ if (nandmtd1_TestPrerequists(mtd) != YAFFS_OK)
|
|
return YAFFS_FAIL;
|
|
- }
|
|
|
|
retval = nandmtd1_ReadChunkWithTagsFromNAND(dev, chunkNo, NULL, &etags);
|
|
+ etags.blockBad = (mtd->block_isbad)(mtd, addr);
|
|
if (etags.blockBad) {
|
|
yaffs_trace(YAFFS_TRACE_BAD_BLOCKS,
|
|
- "block %d is marked bad", blockNo);
|
|
+ "block %d is marked bad\n", blockNo);
|
|
state = YAFFS_BLOCK_STATE_DEAD;
|
|
- }
|
|
- else if (etags.chunkUsed) {
|
|
+ } else if (etags.eccResult != YAFFS_ECC_RESULT_NO_ERROR) {
|
|
+ /* bad tags, need to look more closely */
|
|
+ state = YAFFS_BLOCK_STATE_NEEDS_SCANNING;
|
|
+ } else if (etags.chunkUsed) {
|
|
state = YAFFS_BLOCK_STATE_NEEDS_SCANNING;
|
|
seqnum = etags.sequenceNumber;
|
|
- }
|
|
- else {
|
|
+ } else {
|
|
state = YAFFS_BLOCK_STATE_EMPTY;
|
|
}
|
|
|
|
@@ -360,4 +362,4 @@ int nandmtd1_QueryNANDBlock(struct yaffs
|
|
return YAFFS_OK;
|
|
}
|
|
|
|
-#endif /*KERNEL_VERSION*/
|
|
+#endif /*MTD_VERSION*/
|
|
--- a/fs/yaffs2/yaffs_mtdif1.h
|
|
+++ b/fs/yaffs2/yaffs_mtdif1.h
|
|
@@ -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_Device *dev, int chunkInNAND,
|
|
+ const __u8 *data, const yaffs_ExtendedTags *tags);
|
|
|
|
-int nandmtd1_ReadChunkWithTagsFromNAND(yaffs_Device * dev, int chunkInNAND,
|
|
- __u8 * data, yaffs_ExtendedTags * tags);
|
|
+int nandmtd1_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND,
|
|
+ __u8 *data, yaffs_ExtendedTags *tags);
|
|
|
|
int nandmtd1_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo);
|
|
|
|
int nandmtd1_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo,
|
|
- yaffs_BlockState * state, int *sequenceNumber);
|
|
+ yaffs_BlockState *state, __u32 *sequenceNumber);
|
|
|
|
#endif
|
|
--- a/fs/yaffs2/yaffs_mtdif2.c
|
|
+++ b/fs/yaffs2/yaffs_mtdif2.c
|
|
@@ -14,7 +14,7 @@
|
|
/* mtd interface for YAFFS2 */
|
|
|
|
const char *yaffs_mtdif2_c_version =
|
|
- "$Id: yaffs_mtdif2.c,v 1.17 2007-02-14 01:09:06 wookey Exp $";
|
|
+ "$Id: yaffs_mtdif2.c,v 1.23 2009-03-06 17:20:53 wookey Exp $";
|
|
|
|
#include "yportenv.h"
|
|
|
|
@@ -27,19 +27,23 @@ const char *yaffs_mtdif2_c_version =
|
|
|
|
#include "yaffs_packedtags2.h"
|
|
|
|
-int nandmtd2_WriteChunkWithTagsToNAND(yaffs_Device * dev, int chunkInNAND,
|
|
- const __u8 * data,
|
|
- const yaffs_ExtendedTags * tags)
|
|
+/* 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.
|
|
+ */
|
|
+int nandmtd2_WriteChunkWithTagsToNAND(yaffs_Device *dev, int chunkInNAND,
|
|
+ const __u8 *data,
|
|
+ const yaffs_ExtendedTags *tags)
|
|
{
|
|
struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice);
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
|
|
+#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17))
|
|
struct mtd_oob_ops ops;
|
|
#else
|
|
size_t dummy;
|
|
#endif
|
|
int retval = 0;
|
|
|
|
- loff_t addr = ((loff_t) chunkInNAND) * dev->nDataBytesPerChunk;
|
|
+ loff_t addr;
|
|
|
|
yaffs_PackedTags2 pt;
|
|
|
|
@@ -48,46 +52,40 @@ int nandmtd2_WriteChunkWithTagsToNAND(ya
|
|
("nandmtd2_WriteChunkWithTagsToNAND chunk %d data %p tags %p"
|
|
TENDSTR), chunkInNAND, data, tags));
|
|
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
|
|
- if (tags)
|
|
- yaffs_PackTags2(&pt, tags);
|
|
- else
|
|
- BUG(); /* both tags and data should always be present */
|
|
|
|
- if (data) {
|
|
- ops.mode = MTD_OOB_AUTO;
|
|
- ops.ooblen = sizeof(pt);
|
|
- ops.len = dev->nDataBytesPerChunk;
|
|
- ops.ooboffs = 0;
|
|
- ops.datbuf = (__u8 *)data;
|
|
- ops.oobbuf = (void *)&pt;
|
|
- retval = mtd->write_oob(mtd, addr, &ops);
|
|
+ addr = ((loff_t) chunkInNAND) * dev->totalBytesPerChunk;
|
|
+
|
|
+ /* For yaffs2 writing there must be both data and tags.
|
|
+ * If we're using inband tags, then the tags are stuffed into
|
|
+ * the end of the data buffer.
|
|
+ */
|
|
+ if (!data || !tags)
|
|
+ BUG();
|
|
+ else if (dev->inbandTags) {
|
|
+ yaffs_PackedTags2TagsPart *pt2tp;
|
|
+ pt2tp = (yaffs_PackedTags2TagsPart *)(data + dev->nDataBytesPerChunk);
|
|
+ yaffs_PackTags2TagsPart(pt2tp, tags);
|
|
} else
|
|
- BUG(); /* both tags and data should always be present */
|
|
-#else
|
|
- if (tags) {
|
|
yaffs_PackTags2(&pt, tags);
|
|
- }
|
|
|
|
- if (data && tags) {
|
|
- if (dev->useNANDECC)
|
|
- retval =
|
|
- mtd->write_ecc(mtd, addr, dev->nDataBytesPerChunk,
|
|
- &dummy, data, (__u8 *) & pt, NULL);
|
|
- else
|
|
- retval =
|
|
- mtd->write_ecc(mtd, addr, dev->nDataBytesPerChunk,
|
|
- &dummy, data, (__u8 *) & pt, NULL);
|
|
- } else {
|
|
- if (data)
|
|
- retval =
|
|
- mtd->write(mtd, addr, dev->nDataBytesPerChunk, &dummy,
|
|
- data);
|
|
- if (tags)
|
|
- retval =
|
|
- mtd->write_oob(mtd, addr, mtd->oobsize, &dummy,
|
|
- (__u8 *) & pt);
|
|
+#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.ooboffs = 0;
|
|
+ ops.datbuf = (__u8 *)data;
|
|
+ ops.oobbuf = (dev->inbandTags) ? NULL : (void *)&pt;
|
|
+ retval = mtd->write_oob(mtd, addr, &ops);
|
|
|
|
+#else
|
|
+ if (!dev->inbandTags) {
|
|
+ retval =
|
|
+ mtd->write_ecc(mtd, addr, dev->nDataBytesPerChunk,
|
|
+ &dummy, data, (__u8 *) &pt, NULL);
|
|
+ } else {
|
|
+ retval =
|
|
+ mtd->write(mtd, addr, dev->totalBytesPerChunk, &dummy,
|
|
+ data);
|
|
}
|
|
#endif
|
|
|
|
@@ -97,17 +95,18 @@ int nandmtd2_WriteChunkWithTagsToNAND(ya
|
|
return YAFFS_FAIL;
|
|
}
|
|
|
|
-int nandmtd2_ReadChunkWithTagsFromNAND(yaffs_Device * dev, int chunkInNAND,
|
|
- __u8 * data, yaffs_ExtendedTags * tags)
|
|
+int nandmtd2_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND,
|
|
+ __u8 *data, yaffs_ExtendedTags *tags)
|
|
{
|
|
struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice);
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
|
|
+#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17))
|
|
struct mtd_oob_ops ops;
|
|
#endif
|
|
size_t dummy;
|
|
int retval = 0;
|
|
+ int localData = 0;
|
|
|
|
- loff_t addr = ((loff_t) chunkInNAND) * dev->nDataBytesPerChunk;
|
|
+ loff_t addr = ((loff_t) chunkInNAND) * dev->totalBytesPerChunk;
|
|
|
|
yaffs_PackedTags2 pt;
|
|
|
|
@@ -116,9 +115,20 @@ int nandmtd2_ReadChunkWithTagsFromNAND(y
|
|
("nandmtd2_ReadChunkWithTagsFromNAND chunk %d data %p tags %p"
|
|
TENDSTR), chunkInNAND, data, tags));
|
|
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
|
|
- if (data && !tags)
|
|
- retval = mtd->read(mtd, addr, dev->nDataBytesPerChunk,
|
|
+ if (dev->inbandTags) {
|
|
+
|
|
+ if (!data) {
|
|
+ localData = 1;
|
|
+ data = yaffs_GetTempBuffer(dev, __LINE__);
|
|
+ }
|
|
+
|
|
+
|
|
+ }
|
|
+
|
|
+
|
|
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
|
|
+ if (dev->inbandTags || (data && !tags))
|
|
+ retval = mtd->read(mtd, addr, dev->totalBytesPerChunk,
|
|
&dummy, data);
|
|
else if (tags) {
|
|
ops.mode = MTD_OOB_AUTO;
|
|
@@ -130,38 +140,42 @@ int nandmtd2_ReadChunkWithTagsFromNAND(y
|
|
retval = mtd->read_oob(mtd, addr, &ops);
|
|
}
|
|
#else
|
|
- if (data && tags) {
|
|
- if (dev->useNANDECC) {
|
|
- retval =
|
|
- mtd->read_ecc(mtd, addr, dev->nDataBytesPerChunk,
|
|
- &dummy, data, dev->spareBuffer,
|
|
- NULL);
|
|
- } else {
|
|
- retval =
|
|
- mtd->read_ecc(mtd, addr, dev->nDataBytesPerChunk,
|
|
+ if (!dev->inbandTags && data && tags) {
|
|
+
|
|
+ retval = mtd->read_ecc(mtd, addr, dev->nDataBytesPerChunk,
|
|
&dummy, data, dev->spareBuffer,
|
|
NULL);
|
|
- }
|
|
} else {
|
|
if (data)
|
|
retval =
|
|
mtd->read(mtd, addr, dev->nDataBytesPerChunk, &dummy,
|
|
data);
|
|
- if (tags)
|
|
+ if (!dev->inbandTags && tags)
|
|
retval =
|
|
mtd->read_oob(mtd, addr, mtd->oobsize, &dummy,
|
|
dev->spareBuffer);
|
|
}
|
|
#endif
|
|
|
|
- memcpy(&pt, dev->spareBuffer, sizeof(pt));
|
|
|
|
- if (tags)
|
|
- yaffs_UnpackTags2(tags, &pt);
|
|
+ if (dev->inbandTags) {
|
|
+ if (tags) {
|
|
+ yaffs_PackedTags2TagsPart *pt2tp;
|
|
+ pt2tp = (yaffs_PackedTags2TagsPart *)&data[dev->nDataBytesPerChunk];
|
|
+ yaffs_UnpackTags2TagsPart(tags, pt2tp);
|
|
+ }
|
|
+ } else {
|
|
+ if (tags) {
|
|
+ memcpy(&pt, dev->spareBuffer, sizeof(pt));
|
|
+ yaffs_UnpackTags2(tags, &pt);
|
|
+ }
|
|
+ }
|
|
+
|
|
+ if (localData)
|
|
+ yaffs_ReleaseTempBuffer(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;
|
|
-
|
|
if (retval == 0)
|
|
return YAFFS_OK;
|
|
else
|
|
@@ -178,7 +192,7 @@ int nandmtd2_MarkNANDBlockBad(struct yaf
|
|
retval =
|
|
mtd->block_markbad(mtd,
|
|
blockNo * dev->nChunksPerBlock *
|
|
- dev->nDataBytesPerChunk);
|
|
+ dev->totalBytesPerChunk);
|
|
|
|
if (retval == 0)
|
|
return YAFFS_OK;
|
|
@@ -188,7 +202,7 @@ int nandmtd2_MarkNANDBlockBad(struct yaf
|
|
}
|
|
|
|
int nandmtd2_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo,
|
|
- yaffs_BlockState * state, int *sequenceNumber)
|
|
+ yaffs_BlockState *state, __u32 *sequenceNumber)
|
|
{
|
|
struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice);
|
|
int retval;
|
|
@@ -198,7 +212,7 @@ int nandmtd2_QueryNANDBlock(struct yaffs
|
|
retval =
|
|
mtd->block_isbad(mtd,
|
|
blockNo * dev->nChunksPerBlock *
|
|
- dev->nDataBytesPerChunk);
|
|
+ dev->totalBytesPerChunk);
|
|
|
|
if (retval) {
|
|
T(YAFFS_TRACE_MTD, (TSTR("block is bad" TENDSTR)));
|
|
--- a/fs/yaffs2/yaffs_mtdif2.h
|
|
+++ b/fs/yaffs2/yaffs_mtdif2.h
|
|
@@ -17,13 +17,13 @@
|
|
#define __YAFFS_MTDIF2_H__
|
|
|
|
#include "yaffs_guts.h"
|
|
-int nandmtd2_WriteChunkWithTagsToNAND(yaffs_Device * dev, int chunkInNAND,
|
|
- const __u8 * data,
|
|
- const yaffs_ExtendedTags * tags);
|
|
-int nandmtd2_ReadChunkWithTagsFromNAND(yaffs_Device * dev, int chunkInNAND,
|
|
- __u8 * data, yaffs_ExtendedTags * tags);
|
|
+int nandmtd2_WriteChunkWithTagsToNAND(yaffs_Device *dev, int chunkInNAND,
|
|
+ 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, int *sequenceNumber);
|
|
+ yaffs_BlockState *state, __u32 *sequenceNumber);
|
|
|
|
#endif
|
|
--- a/fs/yaffs2/yaffs_mtdif.c
|
|
+++ b/fs/yaffs2/yaffs_mtdif.c
|
|
@@ -12,7 +12,7 @@
|
|
*/
|
|
|
|
const char *yaffs_mtdif_c_version =
|
|
- "$Id: yaffs_mtdif.c,v 1.19 2007-02-14 01:09:06 wookey Exp $";
|
|
+ "$Id: yaffs_mtdif.c,v 1.22 2009-03-06 17:20:51 wookey Exp $";
|
|
|
|
#include "yportenv.h"
|
|
|
|
@@ -24,7 +24,7 @@ const char *yaffs_mtdif_c_version =
|
|
#include "linux/time.h"
|
|
#include "linux/mtd/nand.h"
|
|
|
|
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18))
|
|
+#if (MTD_VERSION_CODE < MTD_VERSION(2, 6, 18))
|
|
static struct nand_oobinfo yaffs_oobinfo = {
|
|
.useecc = 1,
|
|
.eccbytes = 6,
|
|
@@ -36,7 +36,7 @@ static struct nand_oobinfo yaffs_noeccin
|
|
};
|
|
#endif
|
|
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
|
|
+#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17))
|
|
static inline void translate_spare2oob(const yaffs_Spare *spare, __u8 *oob)
|
|
{
|
|
oob[0] = spare->tagByte0;
|
|
@@ -45,8 +45,8 @@ static inline void translate_spare2oob(c
|
|
oob[3] = spare->tagByte3;
|
|
oob[4] = spare->tagByte4;
|
|
oob[5] = spare->tagByte5 & 0x3f;
|
|
- oob[5] |= spare->blockStatus == 'Y' ? 0: 0x80;
|
|
- oob[5] |= spare->pageStatus == 0 ? 0: 0x40;
|
|
+ oob[5] |= spare->blockStatus == 'Y' ? 0 : 0x80;
|
|
+ oob[5] |= spare->pageStatus == 0 ? 0 : 0x40;
|
|
oob[6] = spare->tagByte6;
|
|
oob[7] = spare->tagByte7;
|
|
}
|
|
@@ -71,18 +71,18 @@ static inline void translate_oob2spare(y
|
|
}
|
|
#endif
|
|
|
|
-int nandmtd_WriteChunkToNAND(yaffs_Device * dev, int chunkInNAND,
|
|
- const __u8 * data, const yaffs_Spare * spare)
|
|
+int nandmtd_WriteChunkToNAND(yaffs_Device *dev, int chunkInNAND,
|
|
+ const __u8 *data, const yaffs_Spare *spare)
|
|
{
|
|
struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice);
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
|
|
+#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17))
|
|
struct mtd_oob_ops ops;
|
|
#endif
|
|
size_t dummy;
|
|
int retval = 0;
|
|
|
|
loff_t addr = ((loff_t) chunkInNAND) * dev->nDataBytesPerChunk;
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
|
|
+#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17))
|
|
__u8 spareAsBytes[8]; /* OOB */
|
|
|
|
if (data && !spare)
|
|
@@ -135,18 +135,18 @@ int nandmtd_WriteChunkToNAND(yaffs_Devic
|
|
return YAFFS_FAIL;
|
|
}
|
|
|
|
-int nandmtd_ReadChunkFromNAND(yaffs_Device * dev, int chunkInNAND, __u8 * data,
|
|
- yaffs_Spare * spare)
|
|
+int nandmtd_ReadChunkFromNAND(yaffs_Device *dev, int chunkInNAND, __u8 *data,
|
|
+ yaffs_Spare *spare)
|
|
{
|
|
struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice);
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
|
|
+#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17))
|
|
struct mtd_oob_ops ops;
|
|
#endif
|
|
size_t dummy;
|
|
int retval = 0;
|
|
|
|
loff_t addr = ((loff_t) chunkInNAND) * dev->nDataBytesPerChunk;
|
|
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
|
|
+#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17))
|
|
__u8 spareAsBytes[8]; /* OOB */
|
|
|
|
if (data && !spare)
|
|
@@ -205,7 +205,7 @@ int nandmtd_ReadChunkFromNAND(yaffs_Devi
|
|
return YAFFS_FAIL;
|
|
}
|
|
|
|
-int nandmtd_EraseBlockInNAND(yaffs_Device * dev, int blockNumber)
|
|
+int nandmtd_EraseBlockInNAND(yaffs_Device *dev, int blockNumber)
|
|
{
|
|
struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice);
|
|
__u32 addr =
|
|
@@ -234,7 +234,7 @@ int nandmtd_EraseBlockInNAND(yaffs_Devic
|
|
return YAFFS_FAIL;
|
|
}
|
|
|
|
-int nandmtd_InitialiseNAND(yaffs_Device * dev)
|
|
+int nandmtd_InitialiseNAND(yaffs_Device *dev)
|
|
{
|
|
return YAFFS_OK;
|
|
}
|
|
--- a/fs/yaffs2/yaffs_mtdif.h
|
|
+++ b/fs/yaffs2/yaffs_mtdif.h
|
|
@@ -18,10 +18,15 @@
|
|
|
|
#include "yaffs_guts.h"
|
|
|
|
-int nandmtd_WriteChunkToNAND(yaffs_Device * dev, int chunkInNAND,
|
|
- 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);
|
|
+#if (MTD_VERSION_CODE < MTD_VERSION(2, 6, 18))
|
|
+extern struct nand_oobinfo yaffs_oobinfo;
|
|
+extern struct nand_oobinfo yaffs_noeccinfo;
|
|
+#endif
|
|
+
|
|
+int nandmtd_WriteChunkToNAND(yaffs_Device *dev, int chunkInNAND,
|
|
+ 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);
|
|
#endif
|
|
--- a/fs/yaffs2/yaffs_nand.c
|
|
+++ b/fs/yaffs2/yaffs_nand.c
|
|
@@ -12,16 +12,17 @@
|
|
*/
|
|
|
|
const char *yaffs_nand_c_version =
|
|
- "$Id: yaffs_nand.c,v 1.7 2007-02-14 01:09:06 wookey Exp $";
|
|
+ "$Id: yaffs_nand.c,v 1.10 2009-03-06 17:20:54 wookey Exp $";
|
|
|
|
#include "yaffs_nand.h"
|
|
#include "yaffs_tagscompat.h"
|
|
#include "yaffs_tagsvalidity.h"
|
|
|
|
+#include "yaffs_getblockinfo.h"
|
|
|
|
-int yaffs_ReadChunkWithTagsFromNAND(yaffs_Device * dev, int chunkInNAND,
|
|
- __u8 * buffer,
|
|
- yaffs_ExtendedTags * tags)
|
|
+int yaffs_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND,
|
|
+ __u8 *buffer,
|
|
+ yaffs_ExtendedTags *tags)
|
|
{
|
|
int result;
|
|
yaffs_ExtendedTags localTags;
|
|
@@ -29,7 +30,7 @@ int yaffs_ReadChunkWithTagsFromNAND(yaff
|
|
int realignedChunkInNAND = chunkInNAND - dev->chunkOffset;
|
|
|
|
/* If there are no tags provided, use local tags to get prioritised gc working */
|
|
- if(!tags)
|
|
+ if (!tags)
|
|
tags = &localTags;
|
|
|
|
if (dev->readChunkWithTagsFromNAND)
|
|
@@ -40,20 +41,20 @@ int yaffs_ReadChunkWithTagsFromNAND(yaff
|
|
realignedChunkInNAND,
|
|
buffer,
|
|
tags);
|
|
- if(tags &&
|
|
- tags->eccResult > YAFFS_ECC_RESULT_NO_ERROR){
|
|
+ if (tags &&
|
|
+ tags->eccResult > YAFFS_ECC_RESULT_NO_ERROR) {
|
|
|
|
yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, chunkInNAND/dev->nChunksPerBlock);
|
|
- yaffs_HandleChunkError(dev,bi);
|
|
+ yaffs_HandleChunkError(dev, bi);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
-int yaffs_WriteChunkWithTagsToNAND(yaffs_Device * dev,
|
|
+int yaffs_WriteChunkWithTagsToNAND(yaffs_Device *dev,
|
|
int chunkInNAND,
|
|
- const __u8 * buffer,
|
|
- yaffs_ExtendedTags * tags)
|
|
+ const __u8 *buffer,
|
|
+ yaffs_ExtendedTags *tags)
|
|
{
|
|
chunkInNAND -= dev->chunkOffset;
|
|
|
|
@@ -84,7 +85,7 @@ int yaffs_WriteChunkWithTagsToNAND(yaffs
|
|
tags);
|
|
}
|
|
|
|
-int yaffs_MarkBlockBad(yaffs_Device * dev, int blockNo)
|
|
+int yaffs_MarkBlockBad(yaffs_Device *dev, int blockNo)
|
|
{
|
|
blockNo -= dev->blockOffset;
|
|
|
|
@@ -95,10 +96,10 @@ int yaffs_MarkBlockBad(yaffs_Device * de
|
|
return yaffs_TagsCompatabilityMarkNANDBlockBad(dev, blockNo);
|
|
}
|
|
|
|
-int yaffs_QueryInitialBlockState(yaffs_Device * dev,
|
|
+int yaffs_QueryInitialBlockState(yaffs_Device *dev,
|
|
int blockNo,
|
|
- yaffs_BlockState * state,
|
|
- unsigned *sequenceNumber)
|
|
+ yaffs_BlockState *state,
|
|
+ __u32 *sequenceNumber)
|
|
{
|
|
blockNo -= dev->blockOffset;
|
|
|
|
--- a/fs/yaffs2/yaffs_nandemul2k.h
|
|
+++ b/fs/yaffs2/yaffs_nandemul2k.h
|
|
@@ -21,14 +21,14 @@
|
|
#include "yaffs_guts.h"
|
|
|
|
int nandemul2k_WriteChunkWithTagsToNAND(struct yaffs_DeviceStruct *dev,
|
|
- int chunkInNAND, const __u8 * data,
|
|
- yaffs_ExtendedTags * tags);
|
|
+ int chunkInNAND, const __u8 *data,
|
|
+ const yaffs_ExtendedTags *tags);
|
|
int nandemul2k_ReadChunkWithTagsFromNAND(struct yaffs_DeviceStruct *dev,
|
|
- int chunkInNAND, __u8 * data,
|
|
- yaffs_ExtendedTags * tags);
|
|
+ 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, int *sequenceNumber);
|
|
+ yaffs_BlockState *state, __u32 *sequenceNumber);
|
|
int nandemul2k_EraseBlockInNAND(struct yaffs_DeviceStruct *dev,
|
|
int blockInNAND);
|
|
int nandemul2k_InitialiseNAND(struct yaffs_DeviceStruct *dev);
|
|
--- a/fs/yaffs2/yaffs_nand.h
|
|
+++ b/fs/yaffs2/yaffs_nand.h
|
|
@@ -19,21 +19,21 @@
|
|
|
|
|
|
|
|
-int yaffs_ReadChunkWithTagsFromNAND(yaffs_Device * dev, int chunkInNAND,
|
|
- __u8 * buffer,
|
|
- yaffs_ExtendedTags * tags);
|
|
-
|
|
-int yaffs_WriteChunkWithTagsToNAND(yaffs_Device * dev,
|
|
- int chunkInNAND,
|
|
- const __u8 * buffer,
|
|
- yaffs_ExtendedTags * tags);
|
|
-
|
|
-int yaffs_MarkBlockBad(yaffs_Device * dev, int blockNo);
|
|
-
|
|
-int yaffs_QueryInitialBlockState(yaffs_Device * dev,
|
|
- int blockNo,
|
|
- yaffs_BlockState * state,
|
|
- unsigned *sequenceNumber);
|
|
+int yaffs_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND,
|
|
+ __u8 *buffer,
|
|
+ yaffs_ExtendedTags *tags);
|
|
+
|
|
+int yaffs_WriteChunkWithTagsToNAND(yaffs_Device *dev,
|
|
+ int chunkInNAND,
|
|
+ const __u8 *buffer,
|
|
+ yaffs_ExtendedTags *tags);
|
|
+
|
|
+int yaffs_MarkBlockBad(yaffs_Device *dev, int blockNo);
|
|
+
|
|
+int yaffs_QueryInitialBlockState(yaffs_Device *dev,
|
|
+ int blockNo,
|
|
+ yaffs_BlockState *state,
|
|
+ unsigned *sequenceNumber);
|
|
|
|
int yaffs_EraseBlockInNAND(struct yaffs_DeviceStruct *dev,
|
|
int blockInNAND);
|
|
--- a/fs/yaffs2/yaffs_packedtags1.c
|
|
+++ b/fs/yaffs2/yaffs_packedtags1.c
|
|
@@ -14,7 +14,7 @@
|
|
#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_ExtendedTags *t)
|
|
{
|
|
pt->chunkId = t->chunkId;
|
|
pt->serialNumber = t->serialNumber;
|
|
@@ -27,7 +27,7 @@ void yaffs_PackTags1(yaffs_PackedTags1 *
|
|
|
|
}
|
|
|
|
-void yaffs_UnpackTags1(yaffs_ExtendedTags * t, const yaffs_PackedTags1 * pt)
|
|
+void yaffs_UnpackTags1(yaffs_ExtendedTags *t, const yaffs_PackedTags1 *pt)
|
|
{
|
|
static const __u8 allFF[] =
|
|
{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
|
|
@@ -35,9 +35,8 @@ void yaffs_UnpackTags1(yaffs_ExtendedTag
|
|
|
|
if (memcmp(allFF, pt, sizeof(yaffs_PackedTags1))) {
|
|
t->blockBad = 0;
|
|
- if (pt->shouldBeFF != 0xFFFFFFFF) {
|
|
+ if (pt->shouldBeFF != 0xFFFFFFFF)
|
|
t->blockBad = 1;
|
|
- }
|
|
t->chunkUsed = 1;
|
|
t->objectId = pt->objectId;
|
|
t->chunkId = pt->chunkId;
|
|
@@ -47,6 +46,5 @@ void yaffs_UnpackTags1(yaffs_ExtendedTag
|
|
t->serialNumber = pt->serialNumber;
|
|
} else {
|
|
memset(t, 0, sizeof(yaffs_ExtendedTags));
|
|
-
|
|
}
|
|
}
|
|
--- a/fs/yaffs2/yaffs_packedtags1.h
|
|
+++ b/fs/yaffs2/yaffs_packedtags1.h
|
|
@@ -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_ExtendedTags *t);
|
|
+void yaffs_UnpackTags1(yaffs_ExtendedTags *t, const yaffs_PackedTags1 *pt);
|
|
#endif
|
|
--- a/fs/yaffs2/yaffs_packedtags2.c
|
|
+++ b/fs/yaffs2/yaffs_packedtags2.c
|
|
@@ -37,60 +37,68 @@
|
|
#define EXTRA_OBJECT_TYPE_SHIFT (28)
|
|
#define EXTRA_OBJECT_TYPE_MASK ((0x0F) << EXTRA_OBJECT_TYPE_SHIFT)
|
|
|
|
-static void yaffs_DumpPackedTags2(const yaffs_PackedTags2 * pt)
|
|
+
|
|
+static void yaffs_DumpPackedTags2TagsPart(const yaffs_PackedTags2TagsPart *ptt)
|
|
{
|
|
T(YAFFS_TRACE_MTD,
|
|
(TSTR("packed tags obj %d chunk %d byte %d seq %d" TENDSTR),
|
|
- pt->t.objectId, pt->t.chunkId, pt->t.byteCount,
|
|
- pt->t.sequenceNumber));
|
|
+ ptt->objectId, ptt->chunkId, ptt->byteCount,
|
|
+ ptt->sequenceNumber));
|
|
+}
|
|
+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_ExtendedTags *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"
|
|
+ ("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));
|
|
|
|
}
|
|
|
|
-void yaffs_PackTags2(yaffs_PackedTags2 * pt, const yaffs_ExtendedTags * t)
|
|
+void yaffs_PackTags2TagsPart(yaffs_PackedTags2TagsPart *ptt,
|
|
+ const yaffs_ExtendedTags *t)
|
|
{
|
|
- pt->t.chunkId = t->chunkId;
|
|
- pt->t.sequenceNumber = t->sequenceNumber;
|
|
- pt->t.byteCount = t->byteCount;
|
|
- pt->t.objectId = t->objectId;
|
|
+ ptt->chunkId = t->chunkId;
|
|
+ ptt->sequenceNumber = t->sequenceNumber;
|
|
+ ptt->byteCount = t->byteCount;
|
|
+ ptt->objectId = t->objectId;
|
|
|
|
if (t->chunkId == 0 && t->extraHeaderInfoAvailable) {
|
|
/* Store the extra header info instead */
|
|
/* We save the parent object in the chunkId */
|
|
- pt->t.chunkId = EXTRA_HEADER_INFO_FLAG
|
|
+ ptt->chunkId = EXTRA_HEADER_INFO_FLAG
|
|
| t->extraParentObjectId;
|
|
- if (t->extraIsShrinkHeader) {
|
|
- pt->t.chunkId |= EXTRA_SHRINK_FLAG;
|
|
- }
|
|
- if (t->extraShadows) {
|
|
- pt->t.chunkId |= EXTRA_SHADOWS_FLAG;
|
|
- }
|
|
+ if (t->extraIsShrinkHeader)
|
|
+ ptt->chunkId |= EXTRA_SHRINK_FLAG;
|
|
+ if (t->extraShadows)
|
|
+ ptt->chunkId |= EXTRA_SHADOWS_FLAG;
|
|
|
|
- pt->t.objectId &= ~EXTRA_OBJECT_TYPE_MASK;
|
|
- pt->t.objectId |=
|
|
+ ptt->objectId &= ~EXTRA_OBJECT_TYPE_MASK;
|
|
+ ptt->objectId |=
|
|
(t->extraObjectType << EXTRA_OBJECT_TYPE_SHIFT);
|
|
|
|
- if (t->extraObjectType == YAFFS_OBJECT_TYPE_HARDLINK) {
|
|
- pt->t.byteCount = t->extraEquivalentObjectId;
|
|
- } else if (t->extraObjectType == YAFFS_OBJECT_TYPE_FILE) {
|
|
- pt->t.byteCount = t->extraFileLength;
|
|
- } else {
|
|
- pt->t.byteCount = 0;
|
|
- }
|
|
+ if (t->extraObjectType == YAFFS_OBJECT_TYPE_HARDLINK)
|
|
+ ptt->byteCount = t->extraEquivalentObjectId;
|
|
+ else if (t->extraObjectType == YAFFS_OBJECT_TYPE_FILE)
|
|
+ ptt->byteCount = t->extraFileLength;
|
|
+ else
|
|
+ ptt->byteCount = 0;
|
|
}
|
|
|
|
- yaffs_DumpPackedTags2(pt);
|
|
+ yaffs_DumpPackedTags2TagsPart(ptt);
|
|
yaffs_DumpTags2(t);
|
|
+}
|
|
+
|
|
+
|
|
+void yaffs_PackTags2(yaffs_PackedTags2 *pt, const yaffs_ExtendedTags *t)
|
|
+{
|
|
+ yaffs_PackTags2TagsPart(&pt->t, t);
|
|
|
|
#ifndef YAFFS_IGNORE_TAGS_ECC
|
|
{
|
|
@@ -101,82 +109,98 @@ void yaffs_PackTags2(yaffs_PackedTags2 *
|
|
#endif
|
|
}
|
|
|
|
-void yaffs_UnpackTags2(yaffs_ExtendedTags * t, yaffs_PackedTags2 * pt)
|
|
+
|
|
+void yaffs_UnpackTags2TagsPart(yaffs_ExtendedTags *t,
|
|
+ yaffs_PackedTags2TagsPart *ptt)
|
|
{
|
|
|
|
memset(t, 0, sizeof(yaffs_ExtendedTags));
|
|
|
|
yaffs_InitialiseTags(t);
|
|
|
|
- if (pt->t.sequenceNumber != 0xFFFFFFFF) {
|
|
- /* Page is in use */
|
|
-#ifdef YAFFS_IGNORE_TAGS_ECC
|
|
- {
|
|
- t->eccResult = YAFFS_ECC_RESULT_NO_ERROR;
|
|
- }
|
|
-#else
|
|
- {
|
|
- yaffs_ECCOther ecc;
|
|
- int result;
|
|
- yaffs_ECCCalculateOther((unsigned char *)&pt->t,
|
|
- sizeof
|
|
- (yaffs_PackedTags2TagsPart),
|
|
- &ecc);
|
|
- result =
|
|
- yaffs_ECCCorrectOther((unsigned char *)&pt->t,
|
|
- sizeof
|
|
- (yaffs_PackedTags2TagsPart),
|
|
- &pt->ecc, &ecc);
|
|
- switch(result){
|
|
- case 0:
|
|
- t->eccResult = YAFFS_ECC_RESULT_NO_ERROR;
|
|
- break;
|
|
- case 1:
|
|
- t->eccResult = YAFFS_ECC_RESULT_FIXED;
|
|
- break;
|
|
- case -1:
|
|
- t->eccResult = YAFFS_ECC_RESULT_UNFIXED;
|
|
- break;
|
|
- default:
|
|
- t->eccResult = YAFFS_ECC_RESULT_UNKNOWN;
|
|
- }
|
|
- }
|
|
-#endif
|
|
+ if (ptt->sequenceNumber != 0xFFFFFFFF) {
|
|
t->blockBad = 0;
|
|
t->chunkUsed = 1;
|
|
- t->objectId = pt->t.objectId;
|
|
- t->chunkId = pt->t.chunkId;
|
|
- t->byteCount = pt->t.byteCount;
|
|
+ t->objectId = ptt->objectId;
|
|
+ t->chunkId = ptt->chunkId;
|
|
+ t->byteCount = ptt->byteCount;
|
|
t->chunkDeleted = 0;
|
|
t->serialNumber = 0;
|
|
- t->sequenceNumber = pt->t.sequenceNumber;
|
|
+ t->sequenceNumber = ptt->sequenceNumber;
|
|
|
|
/* Do extra header info stuff */
|
|
|
|
- if (pt->t.chunkId & EXTRA_HEADER_INFO_FLAG) {
|
|
+ if (ptt->chunkId & EXTRA_HEADER_INFO_FLAG) {
|
|
t->chunkId = 0;
|
|
t->byteCount = 0;
|
|
|
|
t->extraHeaderInfoAvailable = 1;
|
|
t->extraParentObjectId =
|
|
- pt->t.chunkId & (~(ALL_EXTRA_FLAGS));
|
|
+ ptt->chunkId & (~(ALL_EXTRA_FLAGS));
|
|
t->extraIsShrinkHeader =
|
|
- (pt->t.chunkId & EXTRA_SHRINK_FLAG) ? 1 : 0;
|
|
+ (ptt->chunkId & EXTRA_SHRINK_FLAG) ? 1 : 0;
|
|
t->extraShadows =
|
|
- (pt->t.chunkId & EXTRA_SHADOWS_FLAG) ? 1 : 0;
|
|
+ (ptt->chunkId & EXTRA_SHADOWS_FLAG) ? 1 : 0;
|
|
t->extraObjectType =
|
|
- pt->t.objectId >> EXTRA_OBJECT_TYPE_SHIFT;
|
|
+ ptt->objectId >> EXTRA_OBJECT_TYPE_SHIFT;
|
|
t->objectId &= ~EXTRA_OBJECT_TYPE_MASK;
|
|
|
|
- if (t->extraObjectType == YAFFS_OBJECT_TYPE_HARDLINK) {
|
|
- t->extraEquivalentObjectId = pt->t.byteCount;
|
|
- } else {
|
|
- t->extraFileLength = pt->t.byteCount;
|
|
+ if (t->extraObjectType == YAFFS_OBJECT_TYPE_HARDLINK)
|
|
+ t->extraEquivalentObjectId = ptt->byteCount;
|
|
+ else
|
|
+ t->extraFileLength = ptt->byteCount;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ yaffs_DumpPackedTags2TagsPart(ptt);
|
|
+ yaffs_DumpTags2(t);
|
|
+
|
|
+}
|
|
+
|
|
+
|
|
+void yaffs_UnpackTags2(yaffs_ExtendedTags *t, yaffs_PackedTags2 *pt)
|
|
+{
|
|
+
|
|
+ yaffs_ECCResult eccResult = YAFFS_ECC_RESULT_NO_ERROR;
|
|
+
|
|
+ if (pt->t.sequenceNumber != 0xFFFFFFFF) {
|
|
+ /* Page is in use */
|
|
+#ifndef YAFFS_IGNORE_TAGS_ECC
|
|
+ {
|
|
+ yaffs_ECCOther ecc;
|
|
+ int result;
|
|
+ yaffs_ECCCalculateOther((unsigned char *)&pt->t,
|
|
+ sizeof
|
|
+ (yaffs_PackedTags2TagsPart),
|
|
+ &ecc);
|
|
+ result =
|
|
+ yaffs_ECCCorrectOther((unsigned char *)&pt->t,
|
|
+ sizeof
|
|
+ (yaffs_PackedTags2TagsPart),
|
|
+ &pt->ecc, &ecc);
|
|
+ switch (result) {
|
|
+ case 0:
|
|
+ eccResult = YAFFS_ECC_RESULT_NO_ERROR;
|
|
+ break;
|
|
+ case 1:
|
|
+ eccResult = YAFFS_ECC_RESULT_FIXED;
|
|
+ break;
|
|
+ case -1:
|
|
+ eccResult = YAFFS_ECC_RESULT_UNFIXED;
|
|
+ break;
|
|
+ default:
|
|
+ eccResult = YAFFS_ECC_RESULT_UNKNOWN;
|
|
}
|
|
}
|
|
+#endif
|
|
}
|
|
|
|
+ yaffs_UnpackTags2TagsPart(t, &pt->t);
|
|
+
|
|
+ t->eccResult = eccResult;
|
|
+
|
|
yaffs_DumpPackedTags2(pt);
|
|
yaffs_DumpTags2(t);
|
|
|
|
}
|
|
+
|
|
--- a/fs/yaffs2/yaffs_packedtags2.h
|
|
+++ b/fs/yaffs2/yaffs_packedtags2.h
|
|
@@ -33,6 +33,11 @@ typedef struct {
|
|
yaffs_ECCOther ecc;
|
|
} yaffs_PackedTags2;
|
|
|
|
-void yaffs_PackTags2(yaffs_PackedTags2 * pt, const yaffs_ExtendedTags * t);
|
|
-void yaffs_UnpackTags2(yaffs_ExtendedTags * t, yaffs_PackedTags2 * pt);
|
|
+/* 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);
|
|
+
|
|
+/* Only the tags part (no ECC for use with inband tags */
|
|
+void yaffs_PackTags2TagsPart(yaffs_PackedTags2TagsPart *pt, const yaffs_ExtendedTags *t);
|
|
+void yaffs_UnpackTags2TagsPart(yaffs_ExtendedTags *t, yaffs_PackedTags2TagsPart *pt);
|
|
#endif
|
|
--- a/fs/yaffs2/yaffs_qsort.c
|
|
+++ b/fs/yaffs2/yaffs_qsort.c
|
|
@@ -28,12 +28,12 @@
|
|
*/
|
|
|
|
#include "yportenv.h"
|
|
-//#include <linux/string.h>
|
|
+/* #include <linux/string.h> */
|
|
|
|
/*
|
|
* Qsort routine from Bentley & McIlroy's "Engineering a Sort Function".
|
|
*/
|
|
-#define swapcode(TYPE, parmi, parmj, n) { \
|
|
+#define swapcode(TYPE, parmi, parmj, n) do { \
|
|
long i = (n) / sizeof (TYPE); \
|
|
register TYPE *pi = (TYPE *) (parmi); \
|
|
register TYPE *pj = (TYPE *) (parmj); \
|
|
@@ -41,28 +41,29 @@
|
|
register TYPE t = *pi; \
|
|
*pi++ = *pj; \
|
|
*pj++ = t; \
|
|
- } while (--i > 0); \
|
|
-}
|
|
+ } while (--i > 0); \
|
|
+} while (0)
|
|
|
|
#define SWAPINIT(a, es) swaptype = ((char *)a - (char *)0) % sizeof(long) || \
|
|
- es % sizeof(long) ? 2 : es == sizeof(long)? 0 : 1;
|
|
+ es % sizeof(long) ? 2 : es == sizeof(long) ? 0 : 1;
|
|
|
|
static __inline void
|
|
swapfunc(char *a, char *b, int n, int swaptype)
|
|
{
|
|
if (swaptype <= 1)
|
|
- swapcode(long, a, b, n)
|
|
+ swapcode(long, a, b, n);
|
|
else
|
|
- swapcode(char, a, b, n)
|
|
+ swapcode(char, a, b, n);
|
|
}
|
|
|
|
-#define swap(a, b) \
|
|
+#define yswap(a, b) do { \
|
|
if (swaptype == 0) { \
|
|
long t = *(long *)(a); \
|
|
*(long *)(a) = *(long *)(b); \
|
|
*(long *)(b) = t; \
|
|
} else \
|
|
- swapfunc(a, b, es, swaptype)
|
|
+ swapfunc(a, b, es, swaptype); \
|
|
+} while (0)
|
|
|
|
#define vecswap(a, b, n) if ((n) > 0) swapfunc(a, b, n, swaptype)
|
|
|
|
@@ -70,12 +71,12 @@ static __inline char *
|
|
med3(char *a, char *b, char *c, int (*cmp)(const void *, const void *))
|
|
{
|
|
return cmp(a, b) < 0 ?
|
|
- (cmp(b, c) < 0 ? b : (cmp(a, c) < 0 ? c : a ))
|
|
- :(cmp(b, c) > 0 ? b : (cmp(a, c) < 0 ? a : c ));
|
|
+ (cmp(b, c) < 0 ? b : (cmp(a, c) < 0 ? c : a))
|
|
+ : (cmp(b, c) > 0 ? b : (cmp(a, c) < 0 ? a : c));
|
|
}
|
|
|
|
#ifndef min
|
|
-#define min(a,b) (((a) < (b)) ? (a) : (b))
|
|
+#define min(a, b) (((a) < (b)) ? (a) : (b))
|
|
#endif
|
|
|
|
void
|
|
@@ -92,7 +93,7 @@ loop: SWAPINIT(a, es);
|
|
for (pm = (char *)a + es; pm < (char *) a + n * es; pm += es)
|
|
for (pl = pm; pl > (char *) a && cmp(pl - es, pl) > 0;
|
|
pl -= es)
|
|
- swap(pl, pl - es);
|
|
+ yswap(pl, pl - es);
|
|
return;
|
|
}
|
|
pm = (char *)a + (n / 2) * es;
|
|
@@ -107,7 +108,7 @@ loop: SWAPINIT(a, es);
|
|
}
|
|
pm = med3(pl, pm, pn, cmp);
|
|
}
|
|
- swap(a, pm);
|
|
+ yswap(a, pm);
|
|
pa = pb = (char *)a + es;
|
|
|
|
pc = pd = (char *)a + (n - 1) * es;
|
|
@@ -115,7 +116,7 @@ loop: SWAPINIT(a, es);
|
|
while (pb <= pc && (r = cmp(pb, a)) <= 0) {
|
|
if (r == 0) {
|
|
swap_cnt = 1;
|
|
- swap(pa, pb);
|
|
+ yswap(pa, pb);
|
|
pa += es;
|
|
}
|
|
pb += es;
|
|
@@ -123,14 +124,14 @@ loop: SWAPINIT(a, es);
|
|
while (pb <= pc && (r = cmp(pc, a)) >= 0) {
|
|
if (r == 0) {
|
|
swap_cnt = 1;
|
|
- swap(pc, pd);
|
|
+ yswap(pc, pd);
|
|
pd -= es;
|
|
}
|
|
pc -= es;
|
|
}
|
|
if (pb > pc)
|
|
break;
|
|
- swap(pb, pc);
|
|
+ yswap(pb, pc);
|
|
swap_cnt = 1;
|
|
pb += es;
|
|
pc -= es;
|
|
@@ -139,7 +140,7 @@ loop: SWAPINIT(a, es);
|
|
for (pm = (char *) a + es; pm < (char *) a + n * es; pm += es)
|
|
for (pl = pm; pl > (char *) a && cmp(pl - es, pl) > 0;
|
|
pl -= es)
|
|
- swap(pl, pl - es);
|
|
+ yswap(pl, pl - es);
|
|
return;
|
|
}
|
|
|
|
@@ -148,9 +149,11 @@ loop: SWAPINIT(a, es);
|
|
vecswap(a, pb - r, r);
|
|
r = min((long)(pd - pc), (long)(pn - pd - es));
|
|
vecswap(pb, pn - r, r);
|
|
- if ((r = pb - pa) > es)
|
|
+ r = pb - pa;
|
|
+ if (r > es)
|
|
yaffs_qsort(a, r / es, es, cmp);
|
|
- if ((r = pd - pc) > es) {
|
|
+ r = pd - pc;
|
|
+ if (r > es) {
|
|
/* Iterate rather than recurse to save stack space */
|
|
a = pn - r;
|
|
n = r / es;
|
|
--- a/fs/yaffs2/yaffs_qsort.h
|
|
+++ b/fs/yaffs2/yaffs_qsort.h
|
|
@@ -17,7 +17,7 @@
|
|
#ifndef __YAFFS_QSORT_H__
|
|
#define __YAFFS_QSORT_H__
|
|
|
|
-extern void yaffs_qsort (void *const base, size_t total_elems, size_t size,
|
|
- int (*cmp)(const void *, const void *));
|
|
+extern void yaffs_qsort(void *const base, size_t total_elems, size_t size,
|
|
+ int (*cmp)(const void *, const void *));
|
|
|
|
#endif
|
|
--- a/fs/yaffs2/yaffs_tagscompat.c
|
|
+++ b/fs/yaffs2/yaffs_tagscompat.c
|
|
@@ -14,16 +14,17 @@
|
|
#include "yaffs_guts.h"
|
|
#include "yaffs_tagscompat.h"
|
|
#include "yaffs_ecc.h"
|
|
+#include "yaffs_getblockinfo.h"
|
|
|
|
-static void yaffs_HandleReadDataError(yaffs_Device * dev, int chunkInNAND);
|
|
+static void yaffs_HandleReadDataError(yaffs_Device *dev, int chunkInNAND);
|
|
#ifdef NOTYET
|
|
-static void yaffs_CheckWrittenBlock(yaffs_Device * dev, int chunkInNAND);
|
|
-static void yaffs_HandleWriteChunkOk(yaffs_Device * dev, int chunkInNAND,
|
|
- 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);
|
|
+static void yaffs_CheckWrittenBlock(yaffs_Device *dev, int chunkInNAND);
|
|
+static void yaffs_HandleWriteChunkOk(yaffs_Device *dev, int chunkInNAND,
|
|
+ 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);
|
|
#endif
|
|
|
|
static const char yaffs_countBitsTable[256] = {
|
|
@@ -54,13 +55,13 @@ int yaffs_CountBits(__u8 x)
|
|
|
|
/********** Tags ECC calculations *********/
|
|
|
|
-void yaffs_CalcECC(const __u8 * data, yaffs_Spare * spare)
|
|
+void yaffs_CalcECC(const __u8 *data, yaffs_Spare *spare)
|
|
{
|
|
yaffs_ECCCalculate(data, spare->ecc1);
|
|
yaffs_ECCCalculate(&data[256], spare->ecc2);
|
|
}
|
|
|
|
-void yaffs_CalcTagsECC(yaffs_Tags * tags)
|
|
+void yaffs_CalcTagsECC(yaffs_Tags *tags)
|
|
{
|
|
/* Calculate an ecc */
|
|
|
|
@@ -74,9 +75,8 @@ void yaffs_CalcTagsECC(yaffs_Tags * tags
|
|
for (i = 0; i < 8; i++) {
|
|
for (j = 1; j & 0xff; j <<= 1) {
|
|
bit++;
|
|
- if (b[i] & j) {
|
|
+ if (b[i] & j)
|
|
ecc ^= bit;
|
|
- }
|
|
}
|
|
}
|
|
|
|
@@ -84,7 +84,7 @@ void yaffs_CalcTagsECC(yaffs_Tags * tags
|
|
|
|
}
|
|
|
|
-int yaffs_CheckECCOnTags(yaffs_Tags * tags)
|
|
+int yaffs_CheckECCOnTags(yaffs_Tags *tags)
|
|
{
|
|
unsigned ecc = tags->ecc;
|
|
|
|
@@ -115,8 +115,8 @@ int yaffs_CheckECCOnTags(yaffs_Tags * ta
|
|
|
|
/********** Tags **********/
|
|
|
|
-static void yaffs_LoadTagsIntoSpare(yaffs_Spare * sparePtr,
|
|
- yaffs_Tags * tagsPtr)
|
|
+static void yaffs_LoadTagsIntoSpare(yaffs_Spare *sparePtr,
|
|
+ yaffs_Tags *tagsPtr)
|
|
{
|
|
yaffs_TagsUnion *tu = (yaffs_TagsUnion *) tagsPtr;
|
|
|
|
@@ -132,8 +132,8 @@ static void yaffs_LoadTagsIntoSpare(yaff
|
|
sparePtr->tagByte7 = tu->asBytes[7];
|
|
}
|
|
|
|
-static void yaffs_GetTagsFromSpare(yaffs_Device * dev, yaffs_Spare * sparePtr,
|
|
- yaffs_Tags * tagsPtr)
|
|
+static void yaffs_GetTagsFromSpare(yaffs_Device *dev, yaffs_Spare *sparePtr,
|
|
+ yaffs_Tags *tagsPtr)
|
|
{
|
|
yaffs_TagsUnion *tu = (yaffs_TagsUnion *) tagsPtr;
|
|
int result;
|
|
@@ -148,21 +148,20 @@ static void yaffs_GetTagsFromSpare(yaffs
|
|
tu->asBytes[7] = sparePtr->tagByte7;
|
|
|
|
result = yaffs_CheckECCOnTags(tagsPtr);
|
|
- if (result > 0) {
|
|
+ if (result > 0)
|
|
dev->tagsEccFixed++;
|
|
- } else if (result < 0) {
|
|
+ else if (result < 0)
|
|
dev->tagsEccUnfixed++;
|
|
- }
|
|
}
|
|
|
|
-static void yaffs_SpareInitialise(yaffs_Spare * spare)
|
|
+static void yaffs_SpareInitialise(yaffs_Spare *spare)
|
|
{
|
|
memset(spare, 0xFF, sizeof(yaffs_Spare));
|
|
}
|
|
|
|
static int yaffs_WriteChunkToNAND(struct yaffs_DeviceStruct *dev,
|
|
- int chunkInNAND, const __u8 * data,
|
|
- yaffs_Spare * spare)
|
|
+ int chunkInNAND, const __u8 *data,
|
|
+ yaffs_Spare *spare)
|
|
{
|
|
if (chunkInNAND < dev->startBlock * dev->nChunksPerBlock) {
|
|
T(YAFFS_TRACE_ERROR,
|
|
@@ -177,9 +176,9 @@ static int yaffs_WriteChunkToNAND(struct
|
|
|
|
static int yaffs_ReadChunkFromNAND(struct yaffs_DeviceStruct *dev,
|
|
int chunkInNAND,
|
|
- __u8 * data,
|
|
- yaffs_Spare * spare,
|
|
- yaffs_ECCResult * eccResult,
|
|
+ __u8 *data,
|
|
+ yaffs_Spare *spare,
|
|
+ yaffs_ECCResult *eccResult,
|
|
int doErrorCorrection)
|
|
{
|
|
int retVal;
|
|
@@ -252,9 +251,11 @@ static int yaffs_ReadChunkFromNAND(struc
|
|
/* Must allocate enough memory for spare+2*sizeof(int) */
|
|
/* for ecc results from device. */
|
|
struct yaffs_NANDSpare nspare;
|
|
- retVal =
|
|
- dev->readChunkFromNAND(dev, chunkInNAND, data,
|
|
- (yaffs_Spare *) & nspare);
|
|
+
|
|
+ memset(&nspare, 0, sizeof(nspare));
|
|
+
|
|
+ retVal = dev->readChunkFromNAND(dev, chunkInNAND, data,
|
|
+ (yaffs_Spare *) &nspare);
|
|
memcpy(spare, &nspare, sizeof(yaffs_Spare));
|
|
if (data && doErrorCorrection) {
|
|
if (nspare.eccres1 > 0) {
|
|
@@ -302,8 +303,7 @@ static int yaffs_ReadChunkFromNAND(struc
|
|
static int yaffs_CheckChunkErased(struct yaffs_DeviceStruct *dev,
|
|
int chunkInNAND)
|
|
{
|
|
-
|
|
- static int init = 0;
|
|
+ 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 */
|
|
@@ -331,12 +331,12 @@ 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)
|
|
{
|
|
int blockInNAND = chunkInNAND / dev->nChunksPerBlock;
|
|
|
|
/* Mark the block for retirement */
|
|
- yaffs_GetBlockInfo(dev, blockInNAND)->needsRetiring = 1;
|
|
+ yaffs_GetBlockInfo(dev, blockInNAND + dev->blockOffset)->needsRetiring = 1;
|
|
T(YAFFS_TRACE_ERROR | YAFFS_TRACE_BAD_BLOCKS,
|
|
(TSTR("**>>Block %d marked for retirement" TENDSTR), blockInNAND));
|
|
|
|
@@ -348,22 +348,22 @@ static void yaffs_HandleReadDataError(ya
|
|
}
|
|
|
|
#ifdef NOTYET
|
|
-static void yaffs_CheckWrittenBlock(yaffs_Device * dev, int chunkInNAND)
|
|
+static void yaffs_CheckWrittenBlock(yaffs_Device *dev, int chunkInNAND)
|
|
{
|
|
}
|
|
|
|
-static void yaffs_HandleWriteChunkOk(yaffs_Device * dev, int chunkInNAND,
|
|
- const __u8 * data,
|
|
- const yaffs_Spare * spare)
|
|
+static void yaffs_HandleWriteChunkOk(yaffs_Device *dev, int chunkInNAND,
|
|
+ const __u8 *data,
|
|
+ const yaffs_Spare *spare)
|
|
{
|
|
}
|
|
|
|
-static void yaffs_HandleUpdateChunk(yaffs_Device * dev, int chunkInNAND,
|
|
- 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)
|
|
+static void yaffs_HandleWriteChunkError(yaffs_Device *dev, int chunkInNAND)
|
|
{
|
|
int blockInNAND = chunkInNAND / dev->nChunksPerBlock;
|
|
|
|
@@ -373,8 +373,8 @@ static void yaffs_HandleWriteChunkError(
|
|
yaffs_DeleteChunk(dev, chunkInNAND, 1, __LINE__);
|
|
}
|
|
|
|
-static int yaffs_VerifyCompare(const __u8 * d0, const __u8 * d1,
|
|
- const yaffs_Spare * s0, const yaffs_Spare * s1)
|
|
+static int yaffs_VerifyCompare(const __u8 *d0, const __u8 *d1,
|
|
+ const yaffs_Spare *s0, const yaffs_Spare *s1)
|
|
{
|
|
|
|
if (memcmp(d0, d1, YAFFS_BYTES_PER_CHUNK) != 0 ||
|
|
@@ -398,28 +398,35 @@ static int yaffs_VerifyCompare(const __u
|
|
}
|
|
#endif /* NOTYET */
|
|
|
|
-int yaffs_TagsCompatabilityWriteChunkWithTagsToNAND(yaffs_Device * dev,
|
|
- int chunkInNAND,
|
|
- const __u8 * data,
|
|
- const yaffs_ExtendedTags *
|
|
- eTags)
|
|
+int yaffs_TagsCompatabilityWriteChunkWithTagsToNAND(yaffs_Device *dev,
|
|
+ int chunkInNAND,
|
|
+ const __u8 *data,
|
|
+ const yaffs_ExtendedTags *eTags)
|
|
{
|
|
yaffs_Spare spare;
|
|
yaffs_Tags tags;
|
|
|
|
yaffs_SpareInitialise(&spare);
|
|
|
|
- if (eTags->chunkDeleted) {
|
|
+ if (eTags->chunkDeleted)
|
|
spare.pageStatus = 0;
|
|
- } else {
|
|
+ else {
|
|
tags.objectId = eTags->objectId;
|
|
tags.chunkId = eTags->chunkId;
|
|
- tags.byteCount = eTags->byteCount;
|
|
+
|
|
+ tags.byteCountLSB = eTags->byteCount & 0x3ff;
|
|
+
|
|
+ if (dev->nDataBytesPerChunk >= 1024)
|
|
+ tags.byteCountMSB = (eTags->byteCount >> 10) & 3;
|
|
+ else
|
|
+ tags.byteCountMSB = 3;
|
|
+
|
|
+
|
|
tags.serialNumber = eTags->serialNumber;
|
|
|
|
- if (!dev->useNANDECC && data) {
|
|
+ if (!dev->useNANDECC && data)
|
|
yaffs_CalcECC(data, &spare);
|
|
- }
|
|
+
|
|
yaffs_LoadTagsIntoSpare(&spare, &tags);
|
|
|
|
}
|
|
@@ -427,15 +434,15 @@ int yaffs_TagsCompatabilityWriteChunkWit
|
|
return yaffs_WriteChunkToNAND(dev, chunkInNAND, data, &spare);
|
|
}
|
|
|
|
-int yaffs_TagsCompatabilityReadChunkWithTagsFromNAND(yaffs_Device * dev,
|
|
+int yaffs_TagsCompatabilityReadChunkWithTagsFromNAND(yaffs_Device *dev,
|
|
int chunkInNAND,
|
|
- __u8 * data,
|
|
- yaffs_ExtendedTags * eTags)
|
|
+ __u8 *data,
|
|
+ yaffs_ExtendedTags *eTags)
|
|
{
|
|
|
|
yaffs_Spare spare;
|
|
yaffs_Tags tags;
|
|
- yaffs_ECCResult eccResult;
|
|
+ yaffs_ECCResult eccResult = YAFFS_ECC_RESULT_UNKNOWN;
|
|
|
|
static yaffs_Spare spareFF;
|
|
static int init;
|
|
@@ -466,7 +473,11 @@ int yaffs_TagsCompatabilityReadChunkWith
|
|
|
|
eTags->objectId = tags.objectId;
|
|
eTags->chunkId = tags.chunkId;
|
|
- eTags->byteCount = tags.byteCount;
|
|
+ eTags->byteCount = tags.byteCountLSB;
|
|
+
|
|
+ if (dev->nDataBytesPerChunk >= 1024)
|
|
+ eTags->byteCount |= (((unsigned) tags.byteCountMSB) << 10);
|
|
+
|
|
eTags->serialNumber = tags.serialNumber;
|
|
}
|
|
}
|
|
@@ -497,9 +508,9 @@ int yaffs_TagsCompatabilityMarkNANDBlock
|
|
}
|
|
|
|
int yaffs_TagsCompatabilityQueryNANDBlock(struct yaffs_DeviceStruct *dev,
|
|
- int blockNo, yaffs_BlockState *
|
|
- state,
|
|
- int *sequenceNumber)
|
|
+ int blockNo,
|
|
+ yaffs_BlockState *state,
|
|
+ __u32 *sequenceNumber)
|
|
{
|
|
|
|
yaffs_Spare spare0, spare1;
|
|
--- a/fs/yaffs2/yaffs_tagscompat.h
|
|
+++ b/fs/yaffs2/yaffs_tagscompat.h
|
|
@@ -17,24 +17,23 @@
|
|
#define __YAFFS_TAGSCOMPAT_H__
|
|
|
|
#include "yaffs_guts.h"
|
|
-int yaffs_TagsCompatabilityWriteChunkWithTagsToNAND(yaffs_Device * dev,
|
|
- int chunkInNAND,
|
|
- const __u8 * data,
|
|
- const yaffs_ExtendedTags *
|
|
- tags);
|
|
-int yaffs_TagsCompatabilityReadChunkWithTagsFromNAND(yaffs_Device * dev,
|
|
- int chunkInNAND,
|
|
- __u8 * data,
|
|
- yaffs_ExtendedTags *
|
|
- tags);
|
|
+int yaffs_TagsCompatabilityWriteChunkWithTagsToNAND(yaffs_Device *dev,
|
|
+ int chunkInNAND,
|
|
+ const __u8 *data,
|
|
+ const yaffs_ExtendedTags *tags);
|
|
+int yaffs_TagsCompatabilityReadChunkWithTagsFromNAND(yaffs_Device *dev,
|
|
+ int chunkInNAND,
|
|
+ __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, int *sequenceNumber);
|
|
+ int blockNo,
|
|
+ yaffs_BlockState *state,
|
|
+ __u32 *sequenceNumber);
|
|
|
|
-void yaffs_CalcTagsECC(yaffs_Tags * tags);
|
|
-int yaffs_CheckECCOnTags(yaffs_Tags * tags);
|
|
+void yaffs_CalcTagsECC(yaffs_Tags *tags);
|
|
+int yaffs_CheckECCOnTags(yaffs_Tags *tags);
|
|
int yaffs_CountBits(__u8 byte);
|
|
|
|
#endif
|
|
--- a/fs/yaffs2/yaffs_tagsvalidity.c
|
|
+++ b/fs/yaffs2/yaffs_tagsvalidity.c
|
|
@@ -13,14 +13,14 @@
|
|
|
|
#include "yaffs_tagsvalidity.h"
|
|
|
|
-void yaffs_InitialiseTags(yaffs_ExtendedTags * tags)
|
|
+void yaffs_InitialiseTags(yaffs_ExtendedTags *tags)
|
|
{
|
|
memset(tags, 0, sizeof(yaffs_ExtendedTags));
|
|
tags->validMarker0 = 0xAAAAAAAA;
|
|
tags->validMarker1 = 0x55555555;
|
|
}
|
|
|
|
-int yaffs_ValidateTags(yaffs_ExtendedTags * tags)
|
|
+int yaffs_ValidateTags(yaffs_ExtendedTags *tags)
|
|
{
|
|
return (tags->validMarker0 == 0xAAAAAAAA &&
|
|
tags->validMarker1 == 0x55555555);
|
|
--- a/fs/yaffs2/yaffs_tagsvalidity.h
|
|
+++ b/fs/yaffs2/yaffs_tagsvalidity.h
|
|
@@ -19,6 +19,6 @@
|
|
|
|
#include "yaffs_guts.h"
|
|
|
|
-void yaffs_InitialiseTags(yaffs_ExtendedTags * tags);
|
|
-int yaffs_ValidateTags(yaffs_ExtendedTags * tags);
|
|
+void yaffs_InitialiseTags(yaffs_ExtendedTags *tags);
|
|
+int yaffs_ValidateTags(yaffs_ExtendedTags *tags);
|
|
#endif
|
|
--- a/fs/yaffs2/yportenv.h
|
|
+++ b/fs/yaffs2/yportenv.h
|
|
@@ -17,17 +17,28 @@
|
|
#ifndef __YPORTENV_H__
|
|
#define __YPORTENV_H__
|
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+/*
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+ * Define the MTD version in terms of Linux Kernel versions
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+ * This allows yaffs to be used independantly of the kernel
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+ * as well as with it.
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+ */
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+
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+#define MTD_VERSION(a, b, c) (((a) << 16) + ((b) << 8) + (c))
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+
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#if defined CONFIG_YAFFS_WINCE
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#include "ywinceenv.h"
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-#elif defined __KERNEL__
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+#elif defined __KERNEL__
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#include "moduleconfig.h"
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/* Linux kernel */
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+
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#include <linux/version.h>
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-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19))
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+#define MTD_VERSION_CODE LINUX_VERSION_CODE
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+
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+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19))
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#include <linux/config.h>
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#endif
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#include <linux/kernel.h>
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@@ -40,12 +51,13 @@
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#define YCHAR char
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#define YUCHAR unsigned char
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#define _Y(x) x
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-#define yaffs_strcpy(a,b) strcpy(a,b)
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-#define yaffs_strncpy(a,b,c) strncpy(a,b,c)
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-#define yaffs_strncmp(a,b,c) strncmp(a,b,c)
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-#define yaffs_strlen(s) strlen(s)
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-#define yaffs_sprintf sprintf
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-#define yaffs_toupper(a) toupper(a)
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+#define yaffs_strcat(a, b) strcat(a, b)
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+#define yaffs_strcpy(a, b) strcpy(a, b)
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+#define yaffs_strncpy(a, b, c) strncpy(a, b, c)
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+#define yaffs_strncmp(a, b, c) strncmp(a, b, c)
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+#define yaffs_strlen(s) strlen(s)
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+#define yaffs_sprintf sprintf
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+#define yaffs_toupper(a) toupper(a)
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#define Y_INLINE inline
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@@ -53,19 +65,19 @@
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#define YAFFS_LOSTNFOUND_PREFIX "obj"
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/* #define YPRINTF(x) printk x */
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-#define YMALLOC(x) kmalloc(x,GFP_KERNEL)
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+#define YMALLOC(x) kmalloc(x, GFP_NOFS)
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#define YFREE(x) kfree(x)
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#define YMALLOC_ALT(x) vmalloc(x)
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#define YFREE_ALT(x) vfree(x)
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#define YMALLOC_DMA(x) YMALLOC(x)
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-// KR - added for use in scan so processes aren't blocked indefinitely.
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+/* KR - added for use in scan so processes aren't blocked indefinitely. */
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#define YYIELD() schedule()
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#define YAFFS_ROOT_MODE 0666
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#define YAFFS_LOSTNFOUND_MODE 0666
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-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
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+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
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#define Y_CURRENT_TIME CURRENT_TIME.tv_sec
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#define Y_TIME_CONVERT(x) (x).tv_sec
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#else
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@@ -73,11 +85,12 @@
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#define Y_TIME_CONVERT(x) (x)
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#endif
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-#define yaffs_SumCompare(x,y) ((x) == (y))
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-#define yaffs_strcmp(a,b) strcmp(a,b)
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+#define yaffs_SumCompare(x, y) ((x) == (y))
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+#define yaffs_strcmp(a, b) strcmp(a, b)
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#define TENDSTR "\n"
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#define TSTR(x) KERN_WARNING x
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+#define TCONT(x) x
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#define TOUT(p) printk p
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#define yaffs_trace(mask, fmt, args...) \
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@@ -90,6 +103,8 @@
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#elif defined CONFIG_YAFFS_DIRECT
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+#define MTD_VERSION_CODE MTD_VERSION(2, 6, 22)
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+
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/* Direct interface */
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#include "ydirectenv.h"
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@@ -111,11 +126,12 @@
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#define YCHAR char
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#define YUCHAR unsigned char
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#define _Y(x) x
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-#define yaffs_strcpy(a,b) strcpy(a,b)
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-#define yaffs_strncpy(a,b,c) strncpy(a,b,c)
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-#define yaffs_strlen(s) strlen(s)
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-#define yaffs_sprintf sprintf
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-#define yaffs_toupper(a) toupper(a)
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+#define yaffs_strcat(a, b) strcat(a, b)
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+#define yaffs_strcpy(a, b) strcpy(a, b)
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+#define yaffs_strncpy(a, b, c) strncpy(a, b, c)
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+#define yaffs_strlen(s) strlen(s)
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+#define yaffs_sprintf sprintf
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+#define yaffs_toupper(a) toupper(a)
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#define Y_INLINE inline
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@@ -133,8 +149,8 @@
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#define YAFFS_ROOT_MODE 0666
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#define YAFFS_LOSTNFOUND_MODE 0666
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-#define yaffs_SumCompare(x,y) ((x) == (y))
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-#define yaffs_strcmp(a,b) strcmp(a,b)
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+#define yaffs_SumCompare(x, y) ((x) == (y))
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+#define yaffs_strcmp(a, b) strcmp(a, b)
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#else
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/* Should have specified a configuration type */
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@@ -178,10 +194,10 @@ extern unsigned int yaffs_wr_attempts;
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#define YAFFS_TRACE_ALWAYS 0xF0000000
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-#define T(mask,p) do{ if((mask) & (yaffs_traceMask | YAFFS_TRACE_ALWAYS)) TOUT(p);} while(0)
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+#define T(mask, p) do { if ((mask) & (yaffs_traceMask | YAFFS_TRACE_ALWAYS)) TOUT(p); } while (0)
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-#ifndef CONFIG_YAFFS_WINCE
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-#define YBUG() T(YAFFS_TRACE_BUG,(TSTR("==>> yaffs bug: " __FILE__ " %d" TENDSTR),__LINE__))
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+#ifndef YBUG
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+#define YBUG() do {T(YAFFS_TRACE_BUG, (TSTR("==>> yaffs bug: " __FILE__ " %d" TENDSTR), __LINE__)); } while (0)
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#endif
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#endif
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