mds/SnapServer.cc: use !empty() instead of size() to check for emptiness

Use !empty() instead of size() for performance reasons.

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>

diff --git a/src/mds/SnapServer.cc b/src/mds/SnapServer.cc
index a39395c6bd648ac2e53bbf941e0d68de57dbd2b7..57e7e62c2e5a43aa7a44a7113055b8207f607c99 100644 (file)
--- a/src/mds/SnapServer.cc
+++ b/src/mds/SnapServer.cc
@@ -242,7 +242,7 @@ void SnapServer::check_osd_map(bool force)
     }
   }
 
-  if (all_purged.size()) {
+  if (!all_purged.empty()) {
     // prepare to remove from need_to_purge list
     bufferlist bl;
     ::encode(all_purged, bl);