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Re: [Qemu-devel] [PATCH v3 0/3] -incoming defer
From: |
Dr. David Alan Gilbert |
Subject: |
Re: [Qemu-devel] [PATCH v3 0/3] -incoming defer |
Date: |
Mon, 23 Feb 2015 10:55:53 +0000 |
User-agent: |
Mutt/1.5.23 (2014-03-12) |
* Stefan Hajnoczi (address@hidden) wrote:
> On Thu, Feb 19, 2015 at 11:40:26AM +0000, Dr. David Alan Gilbert (git) wrote:
> > From: "Dr. David Alan Gilbert" <address@hidden>
> >
> > This patchset provides a way of setting options on an incoming
> > migration before the fd/process/socket has been created.
> >
> > start qemu with -incoming defer
> > <use the monitor to set whatever you need>
> > migrate_incoming theuri
>
> Does this patch series break BDRV_O_INCOMING?
>
> blockdev.c:blockdev_init():
> if (runstate_check(RUN_STATE_INMIGRATE)) {
> bdrv_flags |= BDRV_O_INCOMING;
> }
>
> The block layer needs to know about incoming migrations to avoid
> accessing or caching disk images while the source host still has them
> open.
No, it doesn't break it; it goes into RUN_STATE_INMIGRATE at startup
in the same way that all existing -incoming's do; the state transitions
should be identical.
Dave
>
> Stefan
--
Dr. David Alan Gilbert / address@hidden / Manchester, UK
- Re: [Qemu-devel] [PATCH v3 2/3] Add migrate_incoming, (continued)
[Qemu-devel] [PATCH v3 3/3] Document -incoming options, Dr. David Alan Gilbert (git), 2015/02/19
Re: [Qemu-devel] [PATCH v3 0/3] -incoming defer, Michael S. Tsirkin, 2015/02/22
Re: [Qemu-devel] [PATCH v3 0/3] -incoming defer, Stefan Hajnoczi, 2015/02/23
- Re: [Qemu-devel] [PATCH v3 0/3] -incoming defer,
Dr. David Alan Gilbert <=