Use fat_detach() instead of opencoding it.
Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 
 static void fat_clear_inode(struct inode *inode)
 {
-       struct super_block *sb = inode->i_sb;
-       struct msdos_sb_info *sbi = MSDOS_SB(sb);
-
-       spin_lock(&sbi->inode_hash_lock);
        fat_cache_inval_inode(inode);
-       hlist_del_init(&MSDOS_I(inode)->i_fat_hash);
-       spin_unlock(&sbi->inode_hash_lock);
+       fat_detach(inode);
 }
 
 static void fat_write_super(struct super_block *sb)