ext3: remove unnecessary dentry_unhash on rmdir/rename_dir

ext3 has no problems with lingering references to unlinked directory
inodes.

CC: Jan Kara <jack@suse.cz>
CC: Andrew Morton <akpm@linux-foundation.org>
CC: Andreas Dilger <adilger.kernel@dilger.ca>
CC: linux-ext4@vger.kernel.org
Signed-off-by: Sage Weil <sage@newdream.net>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/fs/ext3/namei.c b/fs/ext3/namei.c
index f89b1d4..32f3b86 100644 (file)
--- a/fs/ext3/namei.c
+++ b/fs/ext3/namei.c
@@ -2074,8 +2074,6 @@ static int ext3_rmdir (struct inode * dir, struct dentry *dentry)
        struct ext3_dir_entry_2 * de;
        handle_t *handle;
 
-       dentry_unhash(dentry);
-
        /* Initialize quotas before so that eventual writes go in
         * separate transaction */
        dquot_initialize(dir);
@@ -2298,9 +2296,6 @@ static int ext3_rename (struct inode * old_dir, struct dentry *old_dentry,
        struct ext3_dir_entry_2 * old_de, * new_de;
        int retval, flush_file = 0;
 
-       if (new_dentry->d_inode && S_ISDIR(new_dentry->d_inode->i_mode))
-               dentry_unhash(new_dentry);
-
        dquot_initialize(old_dir);
        dquot_initialize(new_dir);