fat: use new setup() for ->dir_ops too

Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
diff --git a/fs/fat/namei_msdos.c b/fs/fat/namei_msdos.c
index 7114990..3b222da 100644
--- a/fs/fat/namei_msdos.c
+++ b/fs/fat/namei_msdos.c
@@ -659,14 +659,14 @@
 
 static void setup(struct super_block *sb)
 {
+	MSDOS_SB(sb)->dir_ops = &msdos_dir_inode_operations;
 	sb->s_d_op = &msdos_dentry_operations;
 	sb->s_flags |= MS_NOATIME;
 }
 
 static int msdos_fill_super(struct super_block *sb, void *data, int silent)
 {
-	return fat_fill_super(sb, data, silent, &msdos_dir_inode_operations,
-			     0, setup);
+	return fat_fill_super(sb, data, silent, 0, setup);
 }
 
 static struct dentry *msdos_mount(struct file_system_type *fs_type,