From: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
Date: Tue, 5 Nov 2013 15:57:09 +0000 (+0100)
Subject: common/buffer.cc: prefer prefix ++operator for non-primitive types
X-Git-Tag: v0.74~90^2~1^2~14
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=0803d607093a911d1fc4a19500493e2e9c4c7894;p=ceph.git

common/buffer.cc: prefer prefix ++operator for non-primitive types

Prefer prefix ++operator for non-primitive types like iterators for
performance reasons. Prefix ++/-- operators avoid creating a temporary
copy.

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
---

diff --git a/src/common/buffer.cc b/src/common/buffer.cc
index 95c7acdb694..819d767d006 100644
--- a/src/common/buffer.cc
+++ b/src/common/buffer.cc
@@ -1045,7 +1045,7 @@ void buffer::list::rebuild_page_aligned()
       return 0;                         // no buffers
 
     std::list<ptr>::const_iterator iter = _buffers.begin();
-    iter++;
+    ++iter;
 
     if (iter != _buffers.end())
       rebuild();