mon: return size_t from MonitorDBStore::Transaction::size()

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

diff --git a/src/mon/MonitorDBStore.h b/src/mon/MonitorDBStore.h
index 1a6f419e515a382a753ac2bb866f4444f70405f4..08f3233c79f5ca93c211d10d48695746e446a32e 100644 (file)
--- a/src/mon/MonitorDBStore.h
+++ b/src/mon/MonitorDBStore.h
@@ -191,7 +191,7 @@ class MonitorDBStore
       return (size() == 0);
     }
 
-    bool size() {
+    size_t size() const {
       return ops.size();
     }
     uint64_t get_keys() const {