logfs: remove unnecessary dentry_unhash from rmdir, dir rename

logfs does not have problems with references to unlinked directories.

CC: Joern Engel <joern@logfs.org>
CC: logfs@logfs.org
Signed-off-by: Sage Weil <sage@newdream.net>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/fs/logfs/dir.c b/fs/logfs/dir.c
index f34c9cd..9ed89d1 100644 (file)
--- a/fs/logfs/dir.c
+++ b/fs/logfs/dir.c
@@ -273,8 +273,6 @@ static int logfs_rmdir(struct inode *dir, struct dentry *dentry)
 {
        struct inode *inode = dentry->d_inode;
 
-       dentry_unhash(dentry);
-
        if (!logfs_empty_dir(inode))
                return -ENOTEMPTY;
 
@@ -624,9 +622,6 @@ static int logfs_rename_cross(struct inode *old_dir, struct dentry *old_dentry,
        loff_t pos;
        int err;
 
-       if (new_dentry->d_inode && S_ISDIR(new_dentry->d_inode->i_mode))
-               dentry_unhash(new_dentry);
-
        /* 1. locate source dd */
        err = logfs_get_dd(old_dir, old_dentry, &dd, &pos);
        if (err)