From: Jianpeng Ma <jianpeng.ma@intel.com>
Date: Wed, 7 Aug 2019 02:10:42 +0000 (+0800)
Subject: os/bluestore: No need check !q.emtpy().
X-Git-Tag: v15.1.0~1903^2~3
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=a2f63f46812c70540cbb757777828b68095238fc;p=ceph.git

os/bluestore: No need check !q.emtpy().

when call drain_preceding, this TransContext already added into q.

Signed-off-by: Jianpeng Ma <jianpeng.ma@intel.com>
---

diff --git a/src/os/bluestore/BlueStore.h b/src/os/bluestore/BlueStore.h
index d7bd4af55441..268d5389a4a7 100644
--- a/src/os/bluestore/BlueStore.h
+++ b/src/os/bluestore/BlueStore.h
@@ -1637,7 +1637,7 @@ public:
 
     void drain_preceding(TransContext *txc) {
       std::unique_lock l(qlock);
-      while (!q.empty() && &q.front() != txc)
+      while (&q.front() != txc)
 	qcond.wait(l);
     }