From c7672bf93e9dec8c9e4b4f2d0fe09f48230178d5 Mon Sep 17 00:00:00 2001
From: chencan <chen.can2@zte.com.cn>
Date: Sat, 17 Oct 2020 15:26:51 +0800
Subject: [PATCH] mon/MDSMonitor: do not ignore mds's down:dne request

Fixes: https://tracker.ceph.com/issues/47881
Signed-off-by: chencan <chen.can2@zte.com.cn>
(cherry picked from commit 768d7fc4e8b74c88ea2a623ee4d21ac1f20d8c7a)
---
 src/mon/MDSMonitor.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/mon/MDSMonitor.cc b/src/mon/MDSMonitor.cc
index e60c06d46a49b..657eeb00d8361 100644
--- a/src/mon/MDSMonitor.cc
+++ b/src/mon/MDSMonitor.cc
@@ -393,6 +393,10 @@ bool MDSMonitor::preprocess_beacon(MonOpRequestRef op)
   dout(10) << __func__ << ": GID exists in map: " << gid << dendl;
   info = fsmap.get_info_gid(gid);
 
+  if (state == MDSMap::STATE_DNE) {
+    return false;
+  }
+
   // old seq?
   if (info.state_seq > seq) {
     dout(7) << "mds_beacon " << *m << " has old seq, ignoring" << dendl;
-- 
2.39.5