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Re: [Qemu-devel] [PATCH RFC v2 7/8] migration: add dirty parameter


From: Eric Blake
Subject: Re: [Qemu-devel] [PATCH RFC v2 7/8] migration: add dirty parameter
Date: Tue, 27 Jan 2015 09:20:11 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.4.0

On 01/27/2015 03:56 AM, Vladimir Sementsov-Ogievskiy wrote:
> Add dirty parameter to qmp-migrate command. If this parameter is true,
> migration/block.c will migrate dirty bitmaps. This parameter can be used
> without "blk" parameter to migrate only dirty bitmaps, skipping block
> migration.
> 
> Signed-off-by: Vladimir Sementsov-Ogievskiy <address@hidden>
> ---

> +++ b/qapi-schema.json
> @@ -1656,12 +1656,17 @@
>  # @detach: this argument exists only for compatibility reasons and
>  #          is ignored by QEMU
>  #
> +# @dirty: #optional do dirty-bitmaps migration (can be used with or without
> +#         @blk parameter)
> +#         (since 2.3)

Rather than adding it to 'migrate', where the command is not
introspectible, I'd rather you add it to 'migrate-set-capabilities',
where I can then use 'query-migrate-capabilities' to learn if it is
supported.

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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