From: Sage Weil <sage@inktank.com>
Date: Sat, 5 Apr 2014 23:58:55 +0000 (-0700)
Subject: mon: wait for quorum for MMonGetVersion
X-Git-Tag: v0.79~2^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=67fd4218d306c0d2c8f0a855a2e5bf18fa1d659e;p=ceph.git

mon: wait for quorum for MMonGetVersion

We should not respond to checks for map versions when we are in the
probing or electing states or else clients will get incorrect results when
they ask what the latest map version is.

Fixes: #7997
Signed-off-by: Sage Weil <sage@inktank.com>
---

diff --git a/src/mon/Monitor.cc b/src/mon/Monitor.cc
index c767a89d7a19..7e29e14cd2f5 100644
--- a/src/mon/Monitor.cc
+++ b/src/mon/Monitor.cc
@@ -3493,6 +3493,12 @@ void Monitor::handle_get_version(MMonGetVersion *m)
     return;
   }
 
+  if (!is_leader() && !is_peon()) {
+    dout(10) << " waiting for quorum" << dendl;
+    waitfor_quorum.push_back(new C_RetryMessage(this, m));
+    return;
+  }
+
   MMonGetVersionReply *reply = new MMonGetVersionReply();
   reply->handle = m->handle;
   if (m->what == "mdsmap") {