Re: [Qemu-block] [Qemu-devel] Can I only commit from active image to corresponding range of its backing file by qemu cmd?

[Eric Blake]

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