messages/MOSDPGLog: pass param by const reference

Signed-off-by: Kefu Chai <kchai@redhat.com>

diff --git a/src/messages/MOSDPGLog.h b/src/messages/MOSDPGLog.h
index 6c9728ef405b8f9305152755ba208578b497c220..a9a7d2446bd126357b7a559e415ff6180e827395 100644 (file)
--- a/src/messages/MOSDPGLog.h
+++ b/src/messages/MOSDPGLog.h
@@ -72,7 +72,7 @@ public:
     set_priority(CEPH_MSG_PRIO_HIGH); 
   }
   MOSDPGLog(shard_id_t to, shard_id_t from,
-           version_t mv, pg_info_t& i, epoch_t query_epoch)
+           version_t mv, const pg_info_t& i, epoch_t query_epoch)
     : MessageInstance(MSG_OSD_PG_LOG, HEAD_VERSION, COMPAT_VERSION),
       epoch(mv), query_epoch(query_epoch),
       to(to), from(from),