osd: make sure we drop Backoff PGRefs on shutdown

Fixes: http://tracker.ceph.com/issues/19931
Signed-off-by: Greg Farnum <gfarnum@redhat.com>

diff --git a/src/osd/PrimaryLogPG.cc b/src/osd/PrimaryLogPG.cc
index 8c4f08c7090dd738ee3fcbbe61684e8593814e77..c3539c1dbc4ff5a7f8061cf0904bcaa38ef07c8d 100644 (file)
--- a/src/osd/PrimaryLogPG.cc
+++ b/src/osd/PrimaryLogPG.cc
@@ -10444,6 +10444,8 @@ void PrimaryLogPG::on_shutdown()
   cancel_proxy_ops(false);
   apply_and_flush_repops(false);
   cancel_log_updates();
+  // we must remove PGRefs, so do this this prior to release_backoffs() callers
+  clear_backoffs(); 
 
   pgbackend->on_change();