9p: remove unnecessary dentry_unhash on rmdir, dir rename

9p has no problems with references to unlinked directories.

CC: Eric Van Hensbergen <ericvh@gmail.com>
CC: Ron Minnich <rminnich@sandia.gov>
CC: Latchesar Ionkov <lucho@ionkov.net>
CC: v9fs-developer@lists.sourceforge.net
Signed-off-by: Sage Weil <sage@newdream.net>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 0 insertions, 4 deletions

diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index 8d7f3e69ae29..7f6c67703195 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -814,7 +814,6 @@ int v9fs_vfs_unlink(struct inode *i, struct dentry *d)
 
 int v9fs_vfs_rmdir(struct inode *i, struct dentry *d)
 {
-        dentry_unhash(d);
         return v9fs_remove(i, d, 1);
 }
 
@@ -840,9 +839,6 @@ v9fs_vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
         struct p9_fid *newdirfid;
         struct p9_wstat wstat;
 
-        if (new_dentry->d_inode && S_ISDIR(new_dentry->d_inode->i_mode))
-                dentry_unhash(new_dentry);
-
         P9_DPRINTK(P9_DEBUG_VFS, "\n");
         retval = 0;
         old_inode = old_dentry->d_inode;