From: Sage Weil <sage.weil@dreamhost.com>
Date: Thu, 2 Feb 2012 22:30:30 +0000 (-0800)
Subject: msg: populate compat_version for encoded messages
X-Git-Tag: v0.42~45^2~2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=989d6786bf59dd3c79615dae48744184f55b258e;p=ceph.git

msg: populate compat_version for encoded messages

Signed-off-by: Sage Weil <sage.weil@dreamhost.com>
---

diff --git a/src/msg/Message.cc b/src/msg/Message.cc
index 26076995c32c..f863b8ae4ccf 100644
--- a/src/msg/Message.cc
+++ b/src/msg/Message.cc
@@ -153,6 +153,10 @@ void Message::encode(uint64_t features, bool datacrc)
   if (empty_payload()) {
     encode_payload(features);
 
+    // if the encoder didn't specify past compatibility, we assume it
+    // is incompatible.
+    if (header.compat_version == 0)
+      header.compat_version = header.version;
   }
   calc_front_crc();
   if (datacrc) {