From e15b2b9cc8cb2db6f4033bbc06328201380821a0 Mon Sep 17 00:00:00 2001
From: Xinying Song <songxinying@cloudin.cn>
Date: Thu, 27 Jul 2017 15:52:54 +0800
Subject: [PATCH] common: use std::move() for better performance

use std::move() to avoid extra copy constructions in src/common/OutputDataSocket.cc.

Signed-off-by: Xinying Song <songxinying@cloudin.cn>
---
 src/common/OutputDataSocket.cc | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/common/OutputDataSocket.cc b/src/common/OutputDataSocket.cc
index f61c9c4453a2e..bbee667f329f9 100644
--- a/src/common/OutputDataSocket.cc
+++ b/src/common/OutputDataSocket.cc
@@ -298,8 +298,7 @@ void OutputDataSocket::handle_connection(int fd)
 int OutputDataSocket::dump_data(int fd)
 {
   m_lock.Lock(); 
-  list<bufferlist> l;
-  l = data;
+  list<bufferlist> l = std::move(data);
   data.clear();
   data_size = 0;
   m_lock.Unlock();
-- 
2.39.5