From: Piotr Dałek <piotr.dalek@ts.fujitsu.com>
Date: Fri, 26 Feb 2016 09:18:11 +0000 (+0100)
Subject: msg/async: don't calculate msg header crc when not needed
X-Git-Tag: v10.1.0~249^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=c9a40adfa1337edfa9323d57fef483d6d1055916;p=ceph.git

msg/async: don't calculate msg header crc when not needed

There was a missing condition that caused to calculate outgoing message
header CRC even if CRC checking was disabled in Ceph configuration.
This change fixes that.

Signed-off-by: Piotr Dałek <piotr.dalek@ts.fujitsu.com>
---

diff --git a/src/msg/async/AsyncConnection.cc b/src/msg/async/AsyncConnection.cc
index fffb144d3de1..8bb806d9cc56 100644
--- a/src/msg/async/AsyncConnection.cc
+++ b/src/msg/async/AsyncConnection.cc
@@ -2316,7 +2316,8 @@ ssize_t AsyncConnection::write_message(Message *m, bufferlist& bl)
     m->get();
   }
 
-  m->calc_header_crc();
+  if (msgr->crcflags & MSG_CRC_HEADER)
+    m->calc_header_crc();
 
   ceph_msg_header& header = m->get_header();
   ceph_msg_footer& footer = m->get_footer();