osd: better debug output in identify_splits

Signed-off-by: Sage Weil <sage@redhat.com>

diff --git a/src/osd/OSD.cc b/src/osd/OSD.cc
index 035ac83b1b6a2b5e5cb2d658fe55b47cddf5b46c..3dffa3bb83211c936cc11e0f553f66a424e2349b 100644 (file)
--- a/src/osd/OSD.cc
+++ b/src/osd/OSD.cc
@@ -9419,6 +9419,9 @@ void OSDShard::identify_splits(OSDMapRef as_of_osdmap, set<spg_t> *pgids)
       auto *slot = i.second.get();
       if (slot->pg || slot->waiting_for_split) {
        osd->service.identify_split_children(osdmap, as_of_osdmap, pgid, pgids);
+      } else {
+       dout(20) << __func__ << " slot " << pgid
+                << " has no pg and !waiting_for_split" << dendl;
       }
     }
   }