preliminary 3.12 support

Signed-off-by: Imre Kaloz <kaloz@openwrt.org>

SVN-Revision: 38528

1 files changed, 78 insertions, 0 deletions

diff --git a/target/linux/generic/patches-3.12/506-yaffs-3.2-dont-use-i_nlink-directly.patch b/target/linux/generic/patches-3.12/506-yaffs-3.2-dont-use-i_nlink-directly.patch
new file mode 100644
index 0000000000..91e8281196
--- /dev/null
+++ b/target/linux/generic/patches-3.12/506-yaffs-3.2-dont-use-i_nlink-directly.patch
@@ -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);