mon/MDSMonitor: add debugging for update_metadata

Signed-off-by: Patrick Donnelly <pdonnell@redhat.com>
(cherry picked from commit 3faafba6e1bc223be071a194fdb10d6c6981c814)

diff --git a/src/mon/MDSMonitor.cc b/src/mon/MDSMonitor.cc
index 2ec7a2018409f856909ebb37e1807b15cdd85338..7fe98bdd9a9b1733a1f99a6c8d2e92bcd9805052 100644 (file)
--- a/src/mon/MDSMonitor.cc
+++ b/src/mon/MDSMonitor.cc
@@ -1814,7 +1814,9 @@ void MDSMonitor::check_sub(Subscription *sub)
 void MDSMonitor::update_metadata(mds_gid_t gid,
                                 const map<string, string>& metadata)
 {
+  dout(20) << __func__ <<  ": mds." << gid << ": " << metadata << dendl;
   if (metadata.empty()) {
+    dout(5) << __func__ << ": mds." << gid << ": no metadata!" << dendl;
     return;
   }
   pending_metadata[gid] = metadata;