Re: [Qemu-devel] [PATCH V10 10/20] qmp event: Add COLO_EXIT event to notify users while exited COLO

["Dr. David Alan Gilbert" <dgilbert@redhat.com>]

* Zhang Chen (zhangckid@gmail.com) wrote:
> On Tue, Jul 24, 2018 at 2:41 AM, Eric Blake <eblake@redhat.com> wrote:
> 
> > On 07/22/2018 02:33 PM, Zhang Chen wrote:
> >
> >> From: zhanghailiang <zhang.zhanghailiang@huawei.com>
> >>
> >> If some errors happen during VM's COLO FT stage, it's important to
> >> notify the users of this event. Together with 'x-colo-lost-heartbeat',
> >> Users can intervene in COLO's failover work immediately.
> >> If users don't want to get involved in COLO's failover verdict,
> >> it is still necessary to notify users that we exited COLO mode.
> >>
> >> Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
> >> Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com>
> >> Signed-off-by: Zhang Chen <zhangckid@gmail.com>
> >> Reviewed-by: Eric Blake <eblake@redhat.com>
> >> Reviewed-by: Markus Armbruster <armbru@redhat.com>
> >> ---
> >>   migration/colo.c    | 31 +++++++++++++++++++++++++++++++
> >>   qapi/migration.json | 38 ++++++++++++++++++++++++++++++++++++++
> >>   2 files changed, 69 insertions(+)
> >>
> >
> > At this point in the release cycle, this series feels like enough of a new
> > feature (rather than a bug fix) that it is probably not appropriate for
> > 3.0, which means...
> >
> >
> > +++ b/qapi/migration.json
> >> @@ -900,6 +900,44 @@
> >>   { 'enum': 'FailoverStatus',
> >>     'data': [ 'none', 'require', 'active', 'completed', 'relaunch' ] }
> >>   +##
> >> +# @COLO_EXIT:
> >> +#
> >> +# Emitted when VM finishes COLO mode due to some errors happening or
> >> +# at the request of users.
> >> +#
> >> +# @mode: report COLO mode when COLO exited.
> >> +#
> >> +# @reason: describes the reason for the COLO exit.
> >> +#
> >> +# Since: 3.0
> >>
> >
> > ...this and other references should be updated to 3.1.
> 
> 
> OK, I will fix it and resend this series.

No need to resend now; resend after the review of the other bits in the
series; I'm sure there will be other minor things; anyway we can always
fix up version nunmbers in merge.

Dave

> Thanks
> Zhang Chen
> 
> 
> >
> >
> > --
> > Eric Blake, Principal Software Engineer
> > Red Hat, Inc.           +1-919-301-3266
> > Virtualization:  qemu.org | libvirt.org
> >
--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK