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Revert "ocfs2: bump up o2cb network protocol version"

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This reverts commit 38b52efd21 ("ocfs2: bump up o2cb network protocol
version").

This commit made rolling upgrade fail.  When one node is upgraded to new
version with this commit, the remaining nodes will fail to establish
connections to it, then the application like VMs on the remaining nodes
can't be live migrated to the upgraded one.  This will cause an outage.
Since negotiate hb timeout behavior didn't change without this commit,
so revert it.

Fixes: 38b52efd21 ("ocfs2: bump up o2cb network protocol version")
Link: http://lkml.kernel.org/r/1471396924-10375-1-git-send-email-junxiao.bi@oracle.com
Signed-off-by: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Mark Fasheh <mfasheh@suse.de>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Joseph Qi <joseph.qi@huawei.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Junxiao Bi 2016-09-19 14:44:44 -07:00 committed by Linus Torvalds
parent d21c353d5e
commit 63b52c4936
1 changed files with 1 additions and 4 deletions
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5
fs/ocfs2/cluster/tcp_internal.h
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@ -44,9 +44,6 @@
* version here in tcp_internal.h should not need to be bumped for
* filesystem locking changes.
*
* New in version 12
* - Negotiate hb timeout when storage is down.
*
* New in version 11
* - Negotiation of filesystem locking in the dlm join.
*
@ -78,7 +75,7 @@
* - full 64 bit i_size in the metadata lock lvbs
* - introduction of "rw" lock and pushing meta/data locking down
*/
#define O2NET_PROTOCOL_VERSION 12ULL
#define O2NET_PROTOCOL_VERSION 11ULL
struct o2net_handshake {
__be64 protocol_version;
__be64 connector_id;