mbcache2: rename to mbcache

Since old mbcache code is gone, let's rename new code to mbcache since
number 2 is now meaningless. This is just a mechanical replacement.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
diff --git a/fs/ext2/xattr.h b/fs/ext2/xattr.h
index 6ea38aa..6f82ab1 100644
--- a/fs/ext2/xattr.h
+++ b/fs/ext2/xattr.h
@@ -53,7 +53,7 @@
 #define EXT2_XATTR_SIZE(size) \
 	(((size) + EXT2_XATTR_ROUND) & ~EXT2_XATTR_ROUND)
 
-struct mb2_cache;
+struct mb_cache;
 
 # ifdef CONFIG_EXT2_FS_XATTR
 
@@ -68,8 +68,8 @@
 
 extern void ext2_xattr_delete_inode(struct inode *);
 
-extern struct mb2_cache *ext2_xattr_create_cache(void);
-extern void ext2_xattr_destroy_cache(struct mb2_cache *cache);
+extern struct mb_cache *ext2_xattr_create_cache(void);
+extern void ext2_xattr_destroy_cache(struct mb_cache *cache);
 
 extern const struct xattr_handler *ext2_xattr_handlers[];
 
@@ -94,7 +94,7 @@
 {
 }
 
-static inline void ext2_xattr_destroy_cache(struct mb2_cache *cache)
+static inline void ext2_xattr_destroy_cache(struct mb_cache *cache)
 {
 }