From 02cf1816bcf26e5fd1faa73a60743a90c0a5340e Mon Sep 17 00:00:00 2001
From: Xiubo Li <xiubli@redhat.com>
Date: Thu, 17 Jun 2021 19:20:29 +0800
Subject: [PATCH] os/memstore: make the used_bytes to atomic

Fixes: https://tracker.ceph.com/issues/51092
Signed-off-by: Xiubo Li <xiubli@redhat.com>
---
 src/os/memstore/MemStore.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/os/memstore/MemStore.h b/src/os/memstore/MemStore.h
index 92304a4507be5..7f0f58e423cdf 100644
--- a/src/os/memstore/MemStore.h
+++ b/src/os/memstore/MemStore.h
@@ -16,6 +16,7 @@
 #ifndef CEPH_MEMSTORE_H
 #define CEPH_MEMSTORE_H
 
+#include <atomic>
 #include <mutex>
 #include <boost/intrusive_ptr.hpp>
 
@@ -195,7 +196,7 @@ private:
 
   Finisher finisher;
 
-  uint64_t used_bytes;
+  std::atomic<uint64_t> used_bytes;
 
   void _do_transaction(Transaction& t);
 
-- 
2.47.3