os/memstore: make the used_bytes to atomic

Fixes: https://tracker.ceph.com/issues/51092
Signed-off-by: Xiubo Li <xiubli@redhat.com>

diff --git a/src/os/memstore/MemStore.h b/src/os/memstore/MemStore.h
index 92304a4507be518d5259c73342c0f5315a5d3673..7f0f58e423cdfcd7b5399baad46e2c63f480e851 100644 (file)
--- 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);