From: xie xingguo <xie.xingguo@zte.com.cn>
Date: Sat, 23 Jan 2016 02:50:04 +0000 (+0800)
Subject: BlueFS: fix race condition
X-Git-Tag: v10.0.4~57^2~2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=881ac7addac68add3d048f5fca4b3a72535e6c46;p=ceph.git

BlueFS: fix race condition

Fixes: #14480
Signed-off-by: xie xingguo <xie.xingguo@zte.com.cn>
---

diff --git a/src/os/bluestore/BlueFS.cc b/src/os/bluestore/BlueFS.cc
index 350ea8d63e8..759d2c8918b 100644
--- a/src/os/bluestore/BlueFS.cc
+++ b/src/os/bluestore/BlueFS.cc
@@ -83,6 +83,7 @@ void BlueFS::add_block_extent(unsigned id, uint64_t offset, uint64_t length)
 int BlueFS::reclaim_blocks(unsigned id, uint64_t want,
 			   uint64_t *offset, uint32_t *length)
 {
+  std::lock_guard<std::mutex> l(lock);
   dout(1) << __func__ << " bdev " << id << " want " << want << dendl;
   assert(id < alloc.size());
   int r = alloc[id]->reserve(want);