From: Sage Weil <sage@newdream.net>
Date: Tue, 24 Feb 2009 20:21:45 +0000 (-0800)
Subject: mds: xlock filelock during truncate
X-Git-Tag: v0.7~174
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=a5d747a874a9febde4fa898a7e39c8c6a6f71650;p=ceph.git

mds: xlock filelock during truncate

This allows client to see projected truncation before it commits.
---

diff --git a/src/mds/Server.cc b/src/mds/Server.cc
index 58c7e7bb5721..48b3ca624ff1 100644
--- a/src/mds/Server.cc
+++ b/src/mds/Server.cc
@@ -4844,7 +4844,7 @@ void Server::handle_client_truncate(MDRequest *mdr)
   set<SimpleLock*> rdlocks = mdr->rdlocks;
   set<SimpleLock*> wrlocks = mdr->wrlocks;
   set<SimpleLock*> xlocks = mdr->xlocks;
-  wrlocks.insert(&cur->filelock);
+  xlocks.insert(&cur->filelock);
   mds->locker->include_snap_rdlocks(rdlocks, cur);
 
   if (!mds->locker->acquire_locks(mdr, rdlocks, wrlocks, xlocks))