Re: [Qemu-devel] [PULL for-2.1 21/24] block: add QAPI command to allow live backing file change

[Eric Blake]

On 07/01/2014 02:48 AM, Stefan Hajnoczi wrote:
> From: Jeff Cody <address@hidden>
> 
> This allows a user to make a live change to the backing file recorded in
> an open image.
> 

> +
> +    /* final sanity check */
> +    if (!bdrv_chain_contains(bs, image_bs)) {
> +        error_setg(errp, "'%s' and image file are not in the same chain",
> +                   device);
> +        return;
> +    }

Phooey - this is not bisectable, because bdrv_chain_contains was only
introduced in 22/24.  But it's already been pulled, so nothing we can do
about it now.

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

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