1 files changed, 9 insertions, 9 deletions

diff --git a/src/mongo/db/repl/replication_recovery_test.cpp b/src/mongo/db/repl/replication_recovery_test.cpp
index ca678ebce17..3e97d2a56c4 100644
--- a/src/mongo/db/repl/replication_recovery_test.cpp
+++ b/src/mongo/db/repl/replication_recovery_test.cpp
@@ -64,47 +64,47 @@ const NamespaceString testNs("a.a");
 class StorageInterfaceRecovery : public StorageInterfaceImpl {
 public:
     boost::optional<Timestamp> getRecoveryTimestamp(ServiceContext* serviceCtx) const override {
-        stdx::lock_guard<stdx::mutex> lock(_mutex);
+        stdx::lock_guard<Latch> lock(_mutex);
         return _recoveryTimestamp;
     }
 
     void setRecoveryTimestamp(Timestamp recoveryTimestamp) {
-        stdx::lock_guard<stdx::mutex> lock(_mutex);
+        stdx::lock_guard<Latch> lock(_mutex);
         _recoveryTimestamp = recoveryTimestamp;
     }
 
     bool supportsRecoverToStableTimestamp(ServiceContext* serviceCtx) const override {
-        stdx::lock_guard<stdx::mutex> lock(_mutex);
+        stdx::lock_guard<Latch> lock(_mutex);
         return _supportsRecoverToStableTimestamp;
     }
 
     void setSupportsRecoverToStableTimestamp(bool supports) {
-        stdx::lock_guard<stdx::mutex> lock(_mutex);
+        stdx::lock_guard<Latch> lock(_mutex);
         _supportsRecoverToStableTimestamp = supports;
     }
 
     bool supportsRecoveryTimestamp(ServiceContext* serviceCtx) const override {
-        stdx::lock_guard<stdx::mutex> lock(_mutex);
+        stdx::lock_guard<Latch> lock(_mutex);
         return _supportsRecoveryTimestamp;
     }
 
     void setSupportsRecoveryTimestamp(bool supports) {
-        stdx::lock_guard<stdx::mutex> lock(_mutex);
+        stdx::lock_guard<Latch> lock(_mutex);
         _supportsRecoveryTimestamp = supports;
     }
 
     void setPointInTimeReadTimestamp(Timestamp pointInTimeReadTimestamp) {
-        stdx::lock_guard<stdx::mutex> lock(_mutex);
+        stdx::lock_guard<Latch> lock(_mutex);
         _pointInTimeReadTimestamp = pointInTimeReadTimestamp;
     }
 
     Timestamp getPointInTimeReadTimestamp(OperationContext* opCtx) const override {
-        stdx::lock_guard<stdx::mutex> lock(_mutex);
+        stdx::lock_guard<Latch> lock(_mutex);
         return _pointInTimeReadTimestamp;
     }
 
 private:
-    mutable stdx::mutex _mutex;
+    mutable Mutex _mutex = MONGO_MAKE_LATCH("StorageInterfaceRecovery::_mutex");
     Timestamp _initialDataTimestamp = Timestamp::min();
     boost::optional<Timestamp> _recoveryTimestamp = boost::none;
     Timestamp _pointInTimeReadTimestamp = {};