From: Yan, Zheng <zyan@redhat.com>
Date: Mon, 14 Sep 2015 01:39:34 +0000 (+0800)
Subject: ceph: fix rename into sub-directory check
X-Git-Tag: v9.1.0~56^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=fef7142c25a665bf6aafc21f37d1da8f349d2eae;p=ceph.git

ceph: fix rename into sub-directory check

the check is important for FreeBSD because there is such check
in its kernel.

Signed-off-by: Yan, Zheng <zyan@redhat.com>
---

diff --git a/src/mds/Server.cc b/src/mds/Server.cc
index 7dfaaa24e07e..da6475b5fb15 100644
--- a/src/mds/Server.cc
+++ b/src/mds/Server.cc
@@ -5927,7 +5927,7 @@ void Server::handle_client_rename(MDRequestRef& mdr)
 
   // dest a child of src?
   // e.g. mv /usr /usr/foo
-  CDentry *pdn = destdir->inode->parent;
+  CDentry *pdn = destdir->inode->get_projected_parent_dn();
   while (pdn) {
     if (pdn == srcdn) {
       dout(7) << "cannot rename item to be a child of itself" << dendl;