6 files changed, 15 insertions, 14 deletions
diff --git a/src/mongo/logv2/console.h b/src/mongo/logv2/console.h
index 5e8abc00521..061ad77cf05 100644
--- a/src/mongo/logv2/console.h
+++ b/src/mongo/logv2/console.h
@@ -31,7 +31,7 @@
 
 #include <iosfwd>
 
-#include "mongo/stdx/mutex.h"
+#include "mongo/platform/mutex.h"
 
 namespace mongo {
 namespace logv2 {
diff --git a/src/mongo/logv2/log_component_settings.cpp b/src/mongo/logv2/log_component_settings.cpp
index 0003dfcbe8d..c85d33c8487 100644
--- a/src/mongo/logv2/log_component_settings.cpp
+++ b/src/mongo/logv2/log_component_settings.cpp
@@ -61,7 +61,7 @@ LogSeverity LogComponentSettings::getMinimumLogSeverity(LogComponent component)
 
 void LogComponentSettings::setMinimumLoggedSeverity(LogComponent component, LogSeverity severity) {
     dassert(int(component) >= 0 && int(component) < LogComponent::kNumLogComponents);
-    stdx::lock_guard<stdx::mutex> lk(_mtx);
+    stdx::lock_guard<Latch> lk(_mtx);
     _setMinimumLoggedSeverityInLock(component, severity);
 }
 
@@ -99,7 +99,7 @@ void LogComponentSettings::_setMinimumLoggedSeverityInLock(LogComponent componen
 void LogComponentSettings::clearMinimumLoggedSeverity(LogComponent component) {
     dassert(int(component) >= 0 && int(component) < LogComponent::kNumLogComponents);
 
-    stdx::lock_guard<stdx::mutex> lk(_mtx);
+    stdx::lock_guard<Latch> lk(_mtx);
 
     // LogComponent::kDefault must always be configured.
     if (component == LogComponent::kDefault) {
diff --git a/src/mongo/logv2/log_component_settings.h b/src/mongo/logv2/log_component_settings.h
index c9422786132..72e0b00358c 100644
--- a/src/mongo/logv2/log_component_settings.h
+++ b/src/mongo/logv2/log_component_settings.h
@@ -32,7 +32,7 @@
 #include "mongo/logv2/log_component.h"
 #include "mongo/logv2/log_severity.h"
 #include "mongo/platform/atomic_word.h"
-#include "mongo/stdx/mutex.h"
+#include "mongo/platform/mutex.h"
 
 namespace mongo {
 namespace logv2 {
@@ -87,7 +87,7 @@ private:
 
     // A mutex to synchronize writes to the severity arrays. This mutex is to synchronize changes to
     // the entire array, and the atomics are to synchronize individual elements.
-    stdx::mutex _mtx;
+    Mutex _mtx = MONGO_MAKE_LATCH("LogComponentSettings::_mtx");
 
     // True if a log severity is explicitly set for a component.
     // This differentiates between unconfigured components and components that happen to have
diff --git a/src/mongo/logv2/logv2_bm.cpp b/src/mongo/logv2/logv2_bm.cpp
index 73958db80f8..1b29b84164d 100644
--- a/src/mongo/logv2/logv2_bm.cpp
+++ b/src/mongo/logv2/logv2_bm.cpp
@@ -61,13 +61,13 @@ boost::shared_ptr<std::ostream> makeNullStream() {
 // ConsoleAppender can be benchmarked.
 class StringstreamConsole {
 public:
-    stdx::mutex& mutex() {
-        static stdx::mutex instance;
+    Mutex& mutex() {
+        static auto instance = MONGO_MAKE_LATCH();
         return instance;
     }
 
     StringstreamConsole() {
-        stdx::unique_lock<stdx::mutex> lk(mutex());
+        stdx::unique_lock<Latch> lk(mutex());
         lk.swap(_consoleLock);
         _out = makeNullStream();
     }
@@ -78,7 +78,7 @@ public:
 
 private:
     boost::shared_ptr<std::ostream> _out;
-    stdx::unique_lock<stdx::mutex> _consoleLock;
+    stdx::unique_lock<Latch> _consoleLock;
 };
 
 // RAII style helper class for init/deinit log system
diff --git a/src/mongo/logv2/ramlog.cpp b/src/mongo/logv2/ramlog.cpp
index b14a93b87ca..38076ef1481 100644
--- a/src/mongo/logv2/ramlog.cpp
+++ b/src/mongo/logv2/ramlog.cpp
@@ -43,7 +43,7 @@ using std::string;
 
 namespace {
 typedef std::map<string, RamLog*> RM;
-stdx::mutex* _namedLock = NULL;
+stdx::mutex* _namedLock = NULL;  // NOLINT
 RM* _named = NULL;
 
 }  // namespace
@@ -156,7 +156,7 @@ RamLog::LineIterator::LineIterator(RamLog* ramlog)
 RamLog* RamLog::get(const std::string& name) {
     if (!_namedLock) {
         // Guaranteed to happen before multi-threaded operation.
-        _namedLock = new stdx::mutex();
+        _namedLock = new stdx::mutex();  // NOLINT
     }
 
     stdx::lock_guard<stdx::mutex> lk(*_namedLock);
@@ -201,7 +201,7 @@ MONGO_INITIALIZER(RamLogCatalogV2)(InitializerContext*) {
             return Status(ErrorCodes::InternalError,
                           "Inconsistent intiailization of RamLogCatalog.");
         }
-        _namedLock = new stdx::mutex();
+        _namedLock = new stdx::mutex();  // NOLINT
         _named = new RM();
     }
 
diff --git a/src/mongo/logv2/ramlog.h b/src/mongo/logv2/ramlog.h
index 183464f1c5a..5feba166044 100644
--- a/src/mongo/logv2/ramlog.h
+++ b/src/mongo/logv2/ramlog.h
@@ -36,7 +36,7 @@
 
 #include "mongo/base/status.h"
 #include "mongo/base/string_data.h"
-#include "mongo/stdx/mutex.h"
+#include "mongo/platform/mutex.h"
 #include "mongo/util/concurrency/mutex.h"
 
 namespace mongo {
@@ -113,7 +113,8 @@ private:
 
     const char* getLine_inlock(unsigned lineNumber) const;
 
-    stdx::mutex _mutex;  // Guards all non-static data.
+    // Guards all non-static data.
+    stdx::mutex _mutex;  // NOLINT
     char lines[N][C];
     unsigned h;  // current position
     unsigned n;  // number of lines stores 0 o N