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Re: [Xen-devel] [Patch 3/7] pvSCSI driver

> > > However, this version went back to simple 1 ring architecture as same
> > > as VBD. We expect the performance will not be degraded because many
> > > transactions are distributed into multiple-rings.
> > I'm not quite sure what you mean here.  You currently have a single
> > ring per LUN; are you expecting heavy workloads to always be spread
> > over several LUNs?
> Our focussing domain is (was?) such an environment. However, it's not
> only one as you mentioned. I understood that we have to improve
> performance for each LUN access.

> > > We would like to enhance it as second step after this version is
> > > merged into Xen tree, if possible.
> > As Ian points out, stuff in the stable trees is supposed to have a
> > stable ABI, which can make some changes difficult.
> > 
> > Of course, we might be able to declare the tree stable except for SCSI
> > support, but that's a bit of a change from our current model.
> I would like to merge our pvSCSI code into Xen tree. Therefore, I am
> going to fix the code according to many comments I received. Could you
> teach me the deadline of fixing the code? (Someone wrote previous mail
> maybe...)
I think the 3.3 release is planned for late June, so you've got plenty
of time.


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