mds: mds: avoid unnecessary log flush when setattr

Signed-off-by: Yan, Zheng <zyan@redhat.com>

diff --git a/src/mds/Server.cc b/src/mds/Server.cc
index bae791b051631617ec123bdd442ccf61552549b6..9e4df14040433bb60f2f348a61a416dfb4570d8e 100644 (file)
--- a/src/mds/Server.cc
+++ b/src/mds/Server.cc
@@ -3839,7 +3839,8 @@ void Server::handle_client_setattr(MDRequestRef& mdr)
                                                                   truncating_smaller, changed_ranges));
 
   // flush immediately if there are readers/writers waiting
-  if (cur->get_caps_wanted() & (CEPH_CAP_FILE_RD|CEPH_CAP_FILE_WR))
+  if (xlocks.count(&cur->filelock) &&
+      (cur->get_caps_wanted() & (CEPH_CAP_FILE_RD|CEPH_CAP_FILE_WR)))
     mds->mdlog->flush();
 }