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Re: [Qemu-devel] [PATCH v6 for 2.1 00/10] Modify block jobs to use node-
From: |
Eric Blake |
Subject: |
Re: [Qemu-devel] [PATCH v6 for 2.1 00/10] Modify block jobs to use node-names |
Date: |
Thu, 19 Jun 2014 10:54:14 -0600 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 |
On 06/19/2014 10:49 AM, Eric Blake wrote:
> if qemu allows shared BDS, and I am able to open 'base' as a shared BDS
> for both disks, then an attempt to block-commit img1 into base will be
> blocked because base is still in use by img2. But as a management app,
> I shouldn't be attempting that in the first place. Yes, it would be
> nice if qemu blocks me from being stupid; but even if qemu allows shared
> BDS, if I don't open a shared BDS on 'base' in the first place, it is no
> different than if qemu doesn't allow shared BDS. Either way, it's not
> qemu's fault if I, as management, try to commit into a file that is in
> use by more than one chain.
>
That's what I meant to say,
>
> if I am not able to do a shared BDS, I'm still
> and as the management, I did not request that qemu open 'base' as a
> shared BDS between both
and this was leftover ramblings that I was experimenting with, but
forgot to delete once I had the paragraph above the way I liked it.
Sorry for any confusion.
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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- [Qemu-devel] [PATCH v6 for 2.1 09/10] block: Add QMP documentation for block-stream, (continued)
- Re: [Qemu-devel] [PATCH v6 for 2.1 00/10] Modify block jobs to use node-names, Stefan Hajnoczi, 2014/06/19
- Re: [Qemu-devel] [PATCH v6 for 2.1 00/10] Modify block jobs to use node-names, Jeff Cody, 2014/06/19
- Re: [Qemu-devel] [PATCH v6 for 2.1 00/10] Modify block jobs to use node-names, Stefan Hajnoczi, 2014/06/23
- Re: [Qemu-devel] [PATCH v6 for 2.1 00/10] Modify block jobs to use node-names, Benoît Canet, 2014/06/23
- Re: [Qemu-devel] [PATCH v6 for 2.1 00/10] Modify block jobs to use node-names, Fam Zheng, 2014/06/23
- Re: [Qemu-devel] [PATCH v6 for 2.1 00/10] Modify block jobs to use node-names, Jeff Cody, 2014/06/24
- Re: [Qemu-devel] [PATCH v6 for 2.1 00/10] Modify block jobs to use node-names, Kevin Wolf, 2014/06/24
- Re: [Qemu-devel] [PATCH v6 for 2.1 00/10] Modify block jobs to use node-names, Benoît Canet, 2014/06/24
Re: [Qemu-devel] [PATCH v6 for 2.1 00/10] Modify block jobs to use node-names, Benoît Canet, 2014/06/19
Re: [Qemu-devel] [PATCH v6 for 2.1 00/10] Modify block jobs to use node-names, Jeff Cody, 2014/06/24