vfs: push dentry_unhash on rmdir into file systems

Only a few file systems need this.  Start by pushing it down into each
fs rmdir method (except gfs2 and xfs) so it can be dealt with on a per-fs
basis.

This does not change behavior for any in-tree file systems.

Acked-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sage Weil <sage@newdream.net>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 2 insertions, 0 deletions

diff --git a/fs/ext3/namei.c b/fs/ext3/namei.c
index 32f3b8695859..552f94d7cf3d 100644
--- a/fs/ext3/namei.c
+++ b/fs/ext3/namei.c
@@ -2074,6 +2074,8 @@ 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);