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generic: split yaffs-3.2-fix patch

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Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34041 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
juhosg
2012-10-31 19:33:12 +00:00
parent 5f46c6fa82
commit e0549e6799
8 changed files with 264 additions and 494 deletions
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78
target/linux/generic/patches-3.6/506-yaffs-3.2-dont-use-i_nlink-directly.patch Normal file
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@@ -0,0 +1,78 @@
--- a/fs/yaffs2/yaffs_vfs_glue.c
+++ b/fs/yaffs2/yaffs_vfs_glue.c
@@ -220,6 +220,29 @@ static struct inode *yaffs_iget(struct s
#define yaffs_SuperToDevice(sb) ((yaffs_dev_t *)sb->u.generic_sbp)
#endif
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 2, 0))
+static inline void yaffs_set_nlink(struct inode *inode, unsigned int nlink)
+{
+ set_nlink(inode, nlink);
+}
+
+static inline void yaffs_dec_link_count(struct inode *inode)
+{
+ inode_dec_link_count(inode);
+}
+#else
+static inline void yaffs_set_nlink(struct inode *inode, unsigned int nlink)
+{
+ inode->i_nlink = nlink;
+}
+
+static inline void yaffs_dec_link_count(struct inode *inode)
+{
+ inode->i_nlink--;
+ mark_inode_dirty(inode)
+}
+#endif
+
#define update_dir_time(dir) do {\
(dir)->i_ctime = (dir)->i_mtime = CURRENT_TIME; \
@@ -1362,7 +1385,7 @@ static void yaffs_fill_inode_from_obj(st
inode->i_size = yaffs_get_obj_length(obj);
inode->i_blocks = (inode->i_size + 511) >> 9;
- inode->i_nlink = yaffs_get_obj_link_count(obj);
+ yaffs_set_nlink(inode, yaffs_get_obj_link_count(obj));
T(YAFFS_TRACE_OS,
(TSTR("yaffs_fill_inode mode %x uid %d gid %d size %d count %d\n"),
@@ -1784,10 +1807,9 @@ static int yaffs_unlink(struct inode *di
retVal = yaffs_unlinker(obj, dentry->d_name.name);
if (retVal == YAFFS_OK) {
- dentry->d_inode->i_nlink--;
+ yaffs_dec_link_count(dentry->d_inode);
dir->i_version++;
yaffs_gross_unlock(dev);
- mark_inode_dirty(dentry->d_inode);
update_dir_time(dir);
return 0;
}
@@ -1818,7 +1840,8 @@ static int yaffs_link(struct dentry *old
obj);
if (link) {
- old_dentry->d_inode->i_nlink = yaffs_get_obj_link_count(obj);
+ yaffs_set_nlink(old_dentry->d_inode,
+ yaffs_get_obj_link_count(obj));
d_instantiate(dentry, old_dentry->d_inode);
atomic_inc(&old_dentry->d_inode->i_count);
T(YAFFS_TRACE_OS,
@@ -1937,11 +1960,9 @@ static int yaffs_rename(struct inode *ol
yaffs_gross_unlock(dev);
if (retVal == YAFFS_OK) {
- if (target) {
- new_dentry->d_inode->i_nlink--;
- mark_inode_dirty(new_dentry->d_inode);
- }
-
+ if (target)
+ yaffs_dec_link_count(new_dentry->d_inode);
+
update_dir_time(old_dir);
if(old_dir != new_dir)
update_dir_time(new_dir);