From: Zhi Zhang <willzzhang@tencent.com>
Date: Mon, 27 Jun 2016 04:59:08 +0000 (+0800)
Subject: msg/async: remove the unnecessary checking to wakup event_wait
X-Git-Tag: v11.0.1~925^2~1
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=560dc32771be00664c4b22a0ebca5190cd246e0a;p=ceph-ci.git

msg/async: remove the unnecessary checking to wakup event_wait

Signed-off-by: Zhi Zhang <zhangz.david@outlook.com>
---

diff --git a/src/msg/async/Event.cc b/src/msg/async/Event.cc
index 41157e4c3ad..eb20406774e 100644
--- a/src/msg/async/Event.cc
+++ b/src/msg/async/Event.cc
@@ -262,15 +262,15 @@ void EventCenter::delete_time_event(uint64_t id)
 
 void EventCenter::wakeup()
 {
-  if (already_wakeup.compare_and_swap(0, 1)) {
     ldout(cct, 1) << __func__ << dendl;
+    already_wakeup.compare_and_swap(0, 1);
+
     char buf[1];
     buf[0] = 'c';
     // wake up "event_wait"
     int n = write(notify_send_fd, buf, 1);
     // FIXME ?
     assert(n == 1);
-  }
 }
 
 int EventCenter::process_time_events()