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Re: [Qemu-devel] [PULL for-2.1 24/24] block: add backing-file option to


From: Eric Blake
Subject: Re: [Qemu-devel] [PULL for-2.1 24/24] block: add backing-file option to block-stream
Date: Tue, 01 Jul 2014 14:50:00 -0600
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0

On 07/01/2014 02:48 AM, Stefan Hajnoczi wrote:
> From: Jeff Cody <address@hidden>
> 
> On some image chains, QEMU may not always be able to resolve the
> filenames properly, when updating the backing file of an image
> after a block job.
> 

> 
> Reviewed-by: Eric Blake <address@hidden>
> Signed-off-by: Jeff Cody <address@hidden>
> Signed-off-by: Stefan Hajnoczi <address@hidden>
> ---

As applied, this means Jeff's second-of-3 series is only partially
applied.  In this state, we now have an optional parameter that is very
difficult for libvirt to discover.  Are we still planning on adding
change-backing-file in qemu 2.1?
https://lists.gnu.org/archive/html/qemu-devel/2014-07/msg00041.html

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

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