From: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>

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>
---

 fs/fat/inode.c |    7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff -puN fs/fat/inode.c~fat-use-fat_detach-in-fat_clear_inode fs/fat/inode.c
--- a/fs/fat/inode.c~fat-use-fat_detach-in-fat_clear_inode
+++ a/fs/fat/inode.c
@@ -429,13 +429,8 @@ static void fat_delete_inode(struct inod
 
 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)
_