From: Eric Blake <eblake@redhat.com>
To: Max Reitz <mreitz@redhat.com>, lampahome <pahome.chen@mirlab.org>,
QEMU Developers <qemu-devel@nongnu.org>,
Qemu-block <qemu-block@nongnu.org>,
Markus Armbruster <armbru@redhat.com>
Subject: Re: [Qemu-devel] Can I only commit from active image to corresponding range of its backing file by qemu cmd?
Date: Thu, 13 Sep 2018 15:06:54 -0500 [thread overview]
Message-ID: <c7fc2563-00f1-db67-8635-e15a6087d988@redhat.com> (raw)
In-Reply-To: <81bba910-3e33-376d-f490-151fcccd4322@redhat.com>
On 9/13/18 2:41 PM, Max Reitz wrote:
> On 13.09.18 20:37, Max Reitz wrote:
>
> [...]
>
>> Or, we would have to use backing=null, but for some reason that doesn't
>> work. I'll have to investigate.
>
> Turns out this was fixed in e59a0cf17b1b9932b65e6fc25d6856976f5e4831.
>
> (Why does Fedora still have only qemu 2.11?)
Fedora 28 + virtmaint-sig-virt-preview COPR has qemu 3.0. Come join us
on the bleeding edge :)
> So starting with 2.12, putting a "'backing':null" behind
> "'driver':'qcow2," will work just as well as rebasing img.003.
Good to hear.
--
Eric Blake, Principal Software Engineer
Red Hat, Inc. +1-919-301-3266
Virtualization: qemu.org | libvirt.org
next prev parent reply other threads:[~2018-09-13 20:09 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-13 3:33 [Qemu-devel] Can I only commit from active image to corresponding range of its backing file by qemu cmd? lampahome
2018-09-13 13:22 ` Max Reitz
2018-09-13 17:05 ` Eric Blake
2018-09-13 18:37 ` Max Reitz
2018-09-13 19:41 ` Max Reitz
2018-09-13 20:06 ` Eric Blake [this message]
2018-09-13 20:01 ` Eric Blake
2018-09-13 20:44 ` Max Reitz
2018-09-14 2:19 ` lampahome
2018-09-14 14:48 ` Eric Blake
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