OSD: update heartbeat peers if unable to statfs

Signed-off-by: xie xingguo <xie.xingguo@zte.com.cn>

src/osd/OSD.cc

@@ -668,6 +668,11 @@ void OSDService::update_osd_stat(vector<int>& hb_peers)
 {
   Mutex::Locker lock(stat_lock);
 
+  osd_stat.hb_in.swap(hb_peers);
+  osd_stat.hb_out.clear();
+
+  osd->op_tracker.get_age_ms_histogram(&osd_stat.op_queue_age_hist);
+
   // fill in osd stats too
   struct statfs stbuf;
   int r = osd->store->statfs(&stbuf);
@@ -688,13 +693,8 @@ void OSDService::update_osd_stat(vector<int>& hb_peers)
   osd->logger->set(l_osd_stat_bytes_used, used);
   osd->logger->set(l_osd_stat_bytes_avail, avail);
 
-  osd_stat.hb_in.swap(hb_peers);
-  osd_stat.hb_out.clear();
-
   check_nearfull_warning(osd_stat);
 
-  osd->op_tracker.get_age_ms_histogram(&osd_stat.op_queue_age_hist);
-
   dout(20) << "update_osd_stat " << osd_stat << dendl;
 }