From d2fe39542452698f545f698bb725e8e3b94d8f56 Mon Sep 17 00:00:00 2001
From: Xiubo Li <xiubli@redhat.com>
Date: Mon, 25 Oct 2021 15:18:03 +0800
Subject: [PATCH] mds: do not trim cache when creating system file

Fixes: https://tracker.ceph.com/issues/51023
Signed-off-by: Xiubo Li <xiubli@redhat.com>
(cherry picked from commit 138fea6a7638697acb1a9e824db7b8d04ad8d671)
---
 src/mds/MDCache.cc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/mds/MDCache.cc b/src/mds/MDCache.cc
index 2e7cad369ba69..adf46a839e61e 100644
--- a/src/mds/MDCache.cc
+++ b/src/mds/MDCache.cc
@@ -13358,7 +13358,9 @@ void MDCache::upkeep_main(void)
         if (active_with_clients) {
           trim_client_leases();
         }
-        trim();
+        if (is_open()) {
+          trim();
+        }
         if (active_with_clients) {
           auto recall_flags = Server::RecallFlags::ENFORCE_MAX|Server::RecallFlags::ENFORCE_LIVENESS;
           if (cache_toofull()) {
-- 
2.39.5