On 15.06.2010, at 11:15, Hannes Reinecke wrote:

> Hi all,
> 
> I've run an I/O exerciser against the megasas emulation and
> found quite some issues, both with the HBA and the SCSI
> emulation.
> 
> - SG_IO returns -EDOM if the internal queue is exhausted;
>  we should be mapping this to QUEUE_FULL.
> - Codingstyle fixes for megasas as suggested by blueswirl
> - We should be using the status codes as defined by SAM,
>  not the linux ones (which are shifted by one)
> - Each driver has it's own mechanism of storing the
>  sense data, so we should be implementing an accessor
>  scsi_req_sense() to retrieve it.
> - And, of course, a rather largish megasas update
> 
> Patches are relative to nab's qemu-kvm git tree at
> git://git.kernel.org/pub/scm/virt/kvm/nab/qemu-kvm.git
> 
> Nab, I think this patchset should make Windows happy.

Got an updated version? :)
I'd also love to see some performance numbers on this. How well does it perform 
against virtio?


Alex


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