From b76be04c0059e09559f3e49a063577f48a903eda Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Mon, 19 Jan 2009 11:52:30 -0800
Subject: [PATCH] mds: take srci lock during rename to ensure ctime change
 propagates

---
 src/mds/Server.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/mds/Server.cc b/src/mds/Server.cc
index 29a0b535ac3d9..e8d2c8e0a7b42 100644
--- a/src/mds/Server.cc
+++ b/src/mds/Server.cc
@@ -3625,6 +3625,9 @@ void Server::handle_client_rename(MDRequest *mdr)
   if (!srcdn->is_auth() && srcdnl->is_primary())
     xlocks.insert(&srci->versionlock);
 
+  // we need to update srci's ctime.  xlock its least contended lock to do that...
+  xlocks.insert(&srci->linklock);
+
   // xlock oldin (for nlink--)
   if (oldin) {
     xlocks.insert(&oldin->linklock);
-- 
2.39.5