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path: root/target/linux/generic/patches-3.12/506-yaffs-3.2-dont-use-i_nlink-directly.patch
blob: 91e8281196661f813c4c4e916bc9bc73778aa485 (plain)
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--- 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);