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

Fixes: http://tracker.ceph.com/issues/14217
Signed-off-by: Kefu Chai <kchai@redhat.com>
(cherry picked from commit 3971274b342b00d76c2e19211becdc3ee81cf1c1)

diff --git a/src/mon/MonitorDBStore.h b/src/mon/MonitorDBStore.h
index 2f6f8d8ba8749e0e5679c03a0619967f0c2a023b..821009c7141575f9e583481e896ae21fedacdf12 100644 (file)
--- a/src/mon/MonitorDBStore.h
+++ b/src/mon/MonitorDBStore.h
@@ -187,7 +187,7 @@ class MonitorDBStore
       return (size() == 0);
     }
 
-    bool size() {
+    size_t size() const {
       return ops.size();
     }
     uint64_t get_keys() const {