commit 914902af4f271884968f72c4fa144c723be2a699
author Ilya Dryomov <idryomov@gmail.com> Fri Jul 14 16:08:54 2017 +0200
committer Ilya Dryomov <idryomov@gmail.com> Mon Jul 17 14:54:59 2017 +0200
tree 88abf861e628a05a173783099227ab5517d95789
parent f5cc6898650210a90669437d2d9a3fd564ff7d88

libceph: don't call encode_request_finish() on MOSDBackoff messages

encode_request_finish() is for MOSDOp messages.  Calling it on
MOSDBackoff ack-block messages corrupts them.

Fixes: a02a946dfe96 ("libceph: respect RADOS_BACKOFF backoffs")
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>

net/ceph/osd_client.c

diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index 86a9737..901bb82 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -5310,7 +5310,10 @@ static int invalidate_authorizer(struct ceph_connection *con)
 
 static void osd_reencode_message(struct ceph_msg *msg)
 {
-	encode_request_finish(msg);
+	int type = le16_to_cpu(msg->hdr.type);
+
+	if (type == CEPH_MSG_OSD_OP)
+		encode_request_finish(msg);
 }
 
 static int osd_sign_message(struct ceph_msg *msg)