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/reiserfs/namei.c b/fs/reiserfs/namei.c
index 118662690cdf..43e94f0f60ba 100644
--- a/fs/reiserfs/namei.c
+++ b/fs/reiserfs/namei.c
@@ -831,6 +831,8 @@ static int reiserfs_rmdir(struct inode *dir, struct dentry *dentry)
         INITIALIZE_PATH(path);
         struct reiserfs_dir_entry de;
 
+        dentry_unhash(dentry);
+
         /* we will be doing 2 balancings and update 2 stat data, we change quotas
          * of the owner of the directory and of the owner of the parent directory.
          * The quota structure is possibly deleted only on last iput => outside