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/udf/namei.c b/fs/udf/namei.c
index f1dce848ef96..b70f026302a5 100644
--- a/fs/udf/namei.c
+++ b/fs/udf/namei.c
@@ -783,6 +783,8 @@ static int udf_rmdir(struct inode *dir, struct dentry *dentry)
         struct fileIdentDesc *fi, cfi;
         struct kernel_lb_addr tloc;
 
+        dentry_unhash(dentry);
+
         retval = -ENOENT;
         fi = udf_find_entry(dir, &dentry->d_name, &fibh, &cfi);
         if (!fi)