--- ceph-15.2.8/src/tools/rbd/action/Bench.cc.orig	2021-01-25 17:08:06.189223814 -0500
+++ ceph-15.2.8/src/tools/rbd/action/Bench.cc	2021-01-25 17:08:27.297805754 -0500
@@ -10,6 +10,7 @@
 #include "include/types.h"
 #include "global/signal_handler.h"
 #include <iostream>
+#include <atomic>
 #include <boost/accumulators/accumulators.hpp>
 #include <boost/accumulators/statistics/stats.hpp>
 #include <boost/accumulators/statistics/rolling_sum.hpp>