On 07/04/2011 12:29 PM, Paolo Bonzini wrote:
On 07/04/2011 09:26 AM, Hannes Reinecke wrote:
Cool.
Exactly what I need.
FWIW, feel free to add my 'Acked-by' to it.
Any chance of getting them included?
I'm not very tied to pvscsi; I just needed an HBA that is not a joke
by modern standards :) to play with the SCSI layer. There may be
hope that megasas will come before pvscsi or eliminate the need for
it altogether. So, feel free to pick up patches 5-8 from that series.
Hmm. My goal was actually to get the megasas HBA emulation upstream.
When sticking it behind another set of patches chances are not
exactly increasing.
However, it would certainly make my life easier.
That said, note that scsi-generic does *not* support scatter/gather
in that series, so you should still make sure the fallback paths
work well. :) In pvscsi I added a qdev property to toggle
scatter/gather, it was useful for benchmarking.
Have to check. My patchset did, so it should be reasonably easy to
port that one to your infrastructure.
However, I probably will see to fixup the megasas emulation with the
current infrastructure, get that in, and then move over to the iovec
infrastructure.
But if you promise to merge the iovec infrastructure I'm more than
willing to fixup the scsi-generic backend.
Just say the word.
Cheers,
Hannes
--
Dr. Hannes Reinecke zSeries & Storage
h...@suse.de +49 911 74053 688
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: J. Hawn, J. Guild, F. Imendörffer, HRB 16746 (AG Nürnberg)
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