From: Ilya Dryomov <idryomov@gmail.com>
Date: Thu, 28 Apr 2016 14:07:22 +0000 (+0200)
Subject: libceph: fix ceph_eversion encoding
X-Git-Tag: v4.14-rc1~3130^2~60
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=985c1673885b77b2e0167c6478a833817d1e2fe5;p=platform%2Fkernel%2Flinux-rpi.git

libceph: fix ceph_eversion encoding

eversion_t is version+epoch in userspace and is encoded in that order.
ceph_eversion is defined as epoch+version in rados.h, yet we memcpy it
in __send_request().  Reoder ceph_eversion fields.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
---

diff --git a/include/linux/ceph/rados.h b/include/linux/ceph/rados.h
index 2f822dc..913c87c 100644
--- a/include/linux/ceph/rados.h
+++ b/include/linux/ceph/rados.h
@@ -114,8 +114,8 @@ struct ceph_object_layout {
  * compound epoch+version, used by storage layer to serialize mutations
  */
 struct ceph_eversion {
-	__le32 epoch;
 	__le64 version;
+	__le32 epoch;
 } __attribute__ ((packed));
 
 /*