On Wed, Jun 29, 2011 at 12:06:29PM +0200, Paolo Bonzini wrote: > On 06/29/2011 12:03 PM, Christoph Hellwig wrote: > >> I agree here, in fact I misread Hannes's comment as "if a driver > >> uses more than one queue it is responsibility of the driver to > >> ensure strict request ordering". If you send requests to different > >> queues, you know that those requests are independent. I don't think > >> anything else is feasible in the virtio framework. > > > >That doesn't really fit very well with the SAM model. If we want > >to use multiple queues for a single LUN it has to be transparent to > >the SCSI command stream. Then again I don't quite see the use for > >that anyway. > > Agreed, I see a use for multiple queues (MSI-X), but not for > multiple queues shared by a single LUN. > > Paolo
Then let's make it explicit in the spec? -- MST _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linux-foundation.org/mailman/listinfo/virtualization
