From: Sage Weil <sage@redhat.com>
Date: Wed, 22 Jun 2016 15:26:52 +0000 (-0400)
Subject: os/bluestore: fix locking for _dump_blob_map
X-Git-Tag: v11.0.0~70^2~21
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=2f6546dd432ec1cae7eb9772dad9db86ca40fb87;p=ceph.git

os/bluestore: fix locking for _dump_blob_map

Signed-off-by: Sage Weil <sage@redhat.com>
---

diff --git a/src/os/bluestore/BlueStore.cc b/src/os/bluestore/BlueStore.cc
index 506db30ca353..5ef8ef9be02e 100644
--- a/src/os/bluestore/BlueStore.cc
+++ b/src/os/bluestore/BlueStore.cc
@@ -5250,6 +5250,7 @@ void BlueStore::_dump_blob_map(BlobMap &bm, int log_level)
       dout(log_level) << __func__ << "       csum: " << std::hex << v << std::dec
 		      << dendl;
     }
+    std::lock_guard<std::mutex> l(b.bc.cache->lock);
     if (!b.bc.empty()) {
       for (auto& i : b.bc.buffer_map) {
 	dout(log_level) << __func__ << "       0x" << std::hex << i.first