[libvirt] [PATCH 3/4] snapshot: take advantage of new relations
Daniel Veillard
veillard at redhat.com
Tue Oct 11 02:34:03 UTC 2011
On Mon, Oct 10, 2011 at 03:51:36PM -0600, Eric Blake wrote:
> On 10/09/2011 09:02 PM, Daniel Veillard wrote:
> >>+ if (!(flags& VIR_DOMAIN_SNAPSHOT_LIST_ROOTS)) {
> >>+ virHashForEach(snapshots->objs, virDomainSnapshotObjListCount,&data);
> >>+ } else if (data.flags) {
> >>+ virDomainSnapshotObjPtr root = snapshots->first_root;
> >>+ while (root) {
> >>+ virDomainSnapshotObjListCount(root, root->def->name,&data);
> >>+ root = root->sibling;
> >>+ }
> >
> > I was just wondering if a data structure with a meta-root snapshot
> >and unifying first_root as a first_children on that meta-root wouldn't
> >lead to simpler code overall.
>
> Possibly. In fact, ESX does just that. Should I respin this patch
> series to factor that in on first commit, or do it as a followup
> commit?
IMHO a followup is fine, that should be fairly mechanical
and allow us to actually see if this is a better approach or not
(counting - vs + lines should make this clear :-)
Daniel
--
Daniel Veillard | libxml Gnome XML XSLT toolkit http://xmlsoft.org/
daniel at veillard.com | Rpmfind RPM search engine http://rpmfind.net/
http://veillard.com/ | virtualization library http://libvirt.org/
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