SERVER-42165 Replace uses of stdx::mutex with mongo::Mutex

2 files changed, 5 insertions, 5 deletions

diff --git a/src/mongo/db/stats/server_write_concern_metrics.cpp b/src/mongo/db/stats/server_write_concern_metrics.cpp
index c36431ca3f3..bfc14025d73 100644
--- a/src/mongo/db/stats/server_write_concern_metrics.cpp
+++ b/src/mongo/db/stats/server_write_concern_metrics.cpp
@@ -58,7 +58,7 @@ void ServerWriteConcernMetrics::recordWriteConcernForInserts(
         return;
     }
 
-    stdx::lock_guard<stdx::mutex> lg(_mutex);
+    stdx::lock_guard<Latch> lg(_mutex);
     _insertMetrics.recordWriteConcern(writeConcernOptions, numInserts);
 }
 
@@ -68,7 +68,7 @@ void ServerWriteConcernMetrics::recordWriteConcernForUpdate(
         return;
     }
 
-    stdx::lock_guard<stdx::mutex> lg(_mutex);
+    stdx::lock_guard<Latch> lg(_mutex);
     _updateMetrics.recordWriteConcern(writeConcernOptions);
 }
 
@@ -78,7 +78,7 @@ void ServerWriteConcernMetrics::recordWriteConcernForDelete(
         return;
     }
 
-    stdx::lock_guard<stdx::mutex> lg(_mutex);
+    stdx::lock_guard<Latch> lg(_mutex);
     _deleteMetrics.recordWriteConcern(writeConcernOptions);
 }
 
@@ -87,7 +87,7 @@ BSONObj ServerWriteConcernMetrics::toBSON() const {
         return BSONObj();
     }
 
-    stdx::lock_guard<stdx::mutex> lg(_mutex);
+    stdx::lock_guard<Latch> lg(_mutex);
 
     BSONObjBuilder builder;
 
diff --git a/src/mongo/db/stats/server_write_concern_metrics.h b/src/mongo/db/stats/server_write_concern_metrics.h
index 524c4fce917..b1e17f53e38 100644
--- a/src/mongo/db/stats/server_write_concern_metrics.h
+++ b/src/mongo/db/stats/server_write_concern_metrics.h
@@ -97,7 +97,7 @@ private:
         StringMap<std::uint64_t> wTagCounts;
     };
 
-    mutable stdx::mutex _mutex;
+    mutable Mutex _mutex = MONGO_MAKE_LATCH("ServerWriteConcernMetrics::_mutex");
     WriteConcernMetricsForOperationType _insertMetrics;
     WriteConcernMetricsForOperationType _updateMetrics;
     WriteConcernMetricsForOperationType _deleteMetrics;