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

[Eric Blake <eblake@redhat.com>]

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On 07/01/2014 02:50 PM, Eric Blake wrote:
> On 07/01/2014 02:48 AM, Stefan Hajnoczi wrote:
>> From: Jeff Cody <jcody@redhat.com>
>>
>> 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 <eblake@redhat.com>
>> Signed-off-by: Jeff Cody <jcody@redhat.com>
>> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
>> ---
> 
> 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

Scratch that - I now see that you re-ordered his series, and added the
new command prior to supporting the optional parameter in existing
commands.  Well, as long as anyone backporting these to older releases
picks up all three parts (the new command, and the changes to stream and
commit), then libvirt should be happy.

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


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