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Re: [libvirt] [PATCHv2 2/7] snapshot: virsh snapshot-list and children

On 10/09/2011 09:16 PM, Daniel Veillard wrote:
On Fri, Sep 30, 2011 at 05:09:24PM -0600, Eric Blake wrote:
Sometimes, we only care about one branch of the snapshot hierarchy.
Make it easier to list a single branch, by using the new APIs.

Technically, I could emulate these new virsh options on old servers
by doing a complete dump, then scraping xml to filter out just the
snapshots that I care about, but I didn't want to do that in this patch.


I'm unsure about the emulation need, except for a server running 0.9.6
and a newer client ...

Not just 0.9.6, but any server where snapshots are supported (all the way back to 0.8.0, when snapshots were introduced).

So that's why patches 3-5 introduced the necessary emulation; and by implementing the virsh changes prior to the qemu change, I was able to prove that both the emulation and the new API work.

I'll push this as-is when I get to the end of your comments.

Eric Blake   eblake redhat com    +1-801-349-2682
Libvirt virtualization library http://libvirt.org

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