paxos: fix off-by-one in share_state

We hit this on adding a new monitor to an existing cluster.

Signed-off-by: Sage Weil <sage@newdream.net>

diff --git a/src/mon/Paxos.cc b/src/mon/Paxos.cc
index 800b30b52c588906985cebfefb3042ba47d76036..bf1fd3bd68ff8d00dfcaac99248becae42d86dcd 100644 (file)
--- a/src/mon/Paxos.cc
+++ b/src/mon/Paxos.cc
@@ -159,7 +159,7 @@ void Paxos::share_state(MMonPaxos *m, version_t peer_first_committed, version_t
   version_t v = peer_last_committed;
 
   // start with a stashed full copy?
-  if (peer_last_committed < first_committed) {
+  if (peer_last_committed + 1 < first_committed) {
     bufferlist bl;
     version_t l = get_latest(bl);
     assert(l <= last_committed);