From 8940433f67cc38d87b3a49745ad3086b879ac860 Mon Sep 17 00:00:00 2001
From: xie xingguo <xie.xingguo@zte.com.cn>
Date: Sat, 4 Jun 2016 11:04:18 +0800
Subject: [PATCH] bluestore/BitAllocator: fix race condition

Signed-off-by: xie xingguo <xie.xingguo@zte.com.cn>
---
 src/os/bluestore/BitAllocator.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/os/bluestore/BitAllocator.cc b/src/os/bluestore/BitAllocator.cc
index 6b819b37cbb..63c3de86c59 100644
--- a/src/os/bluestore/BitAllocator.cc
+++ b/src/os/bluestore/BitAllocator.cc
@@ -826,6 +826,7 @@ void BitMapAreaIN::unreserve(int64_t needed, int64_t allocated)
 }
 int64_t BitMapAreaIN::get_reserved_blocks()
 {
+  std::lock_guard<std::mutex> l(m_blocks_lock); 
   return m_reserved_blocks;
 }
 
-- 
2.39.5