From 48d8d076a3920132dffc2b7e04addb58fcebf474 Mon Sep 17 00:00:00 2001
From: sumeerbhola <sumeer@cockroachlabs.com>
Date: Mon, 2 Mar 2020 20:49:27 -0800
Subject: [PATCH] Add missing MutexLock to MockEnv::CreateDir (#6474)

Summary: Pull Request resolved: https://github.com/facebook/rocksdb/pull/6474

Differential Revision: D20205109

Pulled By: ltamasi

fbshipit-source-id: ec136005c63740f5b713ff537b5671ea9b8e217a
---
 env/mock_env.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/env/mock_env.cc b/env/mock_env.cc
index c246c13e1..ab249bbb8 100644
--- a/env/mock_env.cc
+++ b/env/mock_env.cc
@@ -587,6 +587,7 @@ Status MockEnv::Truncate(const std::string& fname, size_t size) {
 
 Status MockEnv::CreateDir(const std::string& dirname) {
   auto dn = NormalizePath(dirname);
+  MutexLock lock(&mutex_);
   if (file_map_.find(dn) == file_map_.end()) {
     MemFile* file = new MemFile(this, dn, false);
     file->Ref();