From: Xinze Chi <xinze@xksy.com>
Date: Wed, 23 Sep 2015 11:26:00 +0000 (+0800)
Subject: filestore: fix peek_queue for OpSequencer
X-Git-Tag: v0.94.6~89^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=397042a0cb2f4c628dd722192fee284359d2cbb3;p=ceph.git

filestore: fix peek_queue for OpSequencer

Fixes: #13209
Signed-off-by: Xinze Chi <xinze@xsky.com>
(cherry picked from commit 5f7b3f5cde779f1300a35a04df2cdb1299f55472)
---

diff --git a/src/os/FileStore.h b/src/os/FileStore.h
index af1fb8d81212..a9291b743c9b 100644
--- a/src/os/FileStore.h
+++ b/src/os/FileStore.h
@@ -258,6 +258,7 @@ private:
       q.push_back(o);
     }
     Op *peek_queue() {
+      Mutex::Locker l(qlock);
       assert(apply_lock.is_locked());
       return q.front();
     }