fat: remove unnecessary dentry_unhash on rmdir, dir rename

fat does not have problems with references to unlinked directories.

CC: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Sage Weil <sage@newdream.net>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 0 insertions, 5 deletions

diff --git a/fs/fat/namei_msdos.c b/fs/fat/namei_msdos.c
index be15437c272e..3b222dafd15b 100644
--- a/fs/fat/namei_msdos.c
+++ b/fs/fat/namei_msdos.c
@@ -326,8 +326,6 @@ static int msdos_rmdir(struct inode *dir, struct dentry *dentry)
         struct fat_slot_info sinfo;
         int err;
 
-        dentry_unhash(dentry);
-
         lock_super(sb);
         /*
          * Check whether the directory is not in use, then check
@@ -459,9 +457,6 @@ static int do_msdos_rename(struct inode *old_dir, unsigned char *old_name,
         old_inode = old_dentry->d_inode;
         new_inode = new_dentry->d_inode;
 
-        if (new_inode && S_ISDIR(new_inode->i_mode))
-                dentry_unhash(new_dentry);
-
         err = fat_scan(old_dir, old_name, &old_sinfo);
         if (err) {
                 err = -EIO;