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Re: [Qemu-devel] [PATCH 2/2] postcopy: Recover block devices on early fa


From: Juan Quintela
Subject: Re: [Qemu-devel] [PATCH 2/2] postcopy: Recover block devices on early failure
Date: Thu, 02 Feb 2017 17:45:43 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1 (gnu/linux)

"Dr. David Alan Gilbert (git)" <address@hidden> wrote:
> From: "Dr. David Alan Gilbert" <address@hidden>
>
> An early postcopy failure can be recovered from as long as we know
> we haven't sent the command to run the destination.
> We have to undo the bdrv_inactivate_all by calling
> bdrv_invalidate_cache_all
>
> Note that I'm not using ms->block_inactive because once we've
> sent the postcopy package we dont want anything else to try
> and recover the block storage on the source; the destination
> might have started writing to it.
>
> Signed-off-by: Dr. David Alan Gilbert <address@hidden>

Reviewed-by: Juan Quintela <address@hidden>



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