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Re: [Qemu-devel] [PATCH v2 02/10] block: set snapshot option for block d
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From: |
Paolo Bonzini |
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Subject: |
Re: [Qemu-devel] [PATCH v2 02/10] block: set snapshot option for block devices in blkreplay module |
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Date: |
Thu, 15 Sep 2016 11:36:16 +0200 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.2.0 |
On 15/09/2016 11:25, Paolo Bonzini wrote:
> So in this case the image is actually overlay.qcow2, and it is created
> with img-direct as the backing file? Since you have to create
> overlay.qcow2 outside QEMU anyway, overlay.qcow2 might as well be the
> "image". That is, you could choose between:
>
> -drive driver=blkreplay,if=none,image=overlay.qcow2,id=img-blkreplay \
> -rr snapshot=replay_init,...
>
> -drive driver=blkreplay,if=none,image=img-direct,id=img-blkreplay
>
> The temporary snapshot would be created if there's no "-rr snapshot" option
> on the command line.
Sorry, that would be "-icount rrsnapshot=" of course.
Paolo
[Qemu-devel] [PATCH v2 04/10] replay: save/load initial state, Pavel Dovgalyuk, 2016/09/15
[Qemu-devel] [PATCH v2 05/10] replay: move internal data to the structure, Pavel Dovgalyuk, 2016/09/15