Re: [Qemu-devel] [PATCH for 2.5 v6 0/10] dataplane snapshot fixes

[Stefan Hajnoczi <stefanha@redhat.com>]

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On Mon, Nov 09, 2015 at 08:57:26PM +0300, Denis V. Lunev wrote:
> On 11/09/2015 08:37 PM, Stefan Hajnoczi wrote:
> >On Sat, Nov 07, 2015 at 06:54:50PM +0300, Denis V. Lunev wrote:
> >>with test
> >>     while /bin/true ; do
> >>         virsh snapshot-create rhel7
> >>         sleep 10
> >>         virsh snapshot-delete rhel7 --current
> >>     done
> >>with enabled iothreads on a running VM leads to a lot of troubles: hangs,
> >>asserts, errors.
> >>
> >>Anyway, I think that the construction like
> >>     assert(aio_context_is_locked(aio_context));
> >>should be widely used to ensure proper locking.
> >>
> >>Changes from v5:
> >>- dropped already merged patch 11
> >>- fixed spelling in patch 1
> >>- changed order of condition in loops in all patches. Thank you Stefan :)
> >>- dropped patch 9
> >>- aio_context is not acquired any more in bdrv_all_find_vmstate_bs by request
> >>   of Stefan
> >>- patch 10 is implemented in completely different way
> >I left comments on specific patches.  Besides that, I'm happy.
> OK. that sounds good enough to me. These changes
> are not a problem at all.
> 
> Should we ask Juan that this is good for him?

I think the requested changes won't be controversial.  Sending the next
revision should be fine.

Stefan

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