Re: [RFC Patch] virtio: export model and type in /sys

[Cong Wang]

ä 2011å02æ12æ 15:17, Christoph Hellwig åé:
> On Fri, Feb 04, 2011 at 02:29:55PM +0800, Cong Wang wrote:
> > > It does not make any sense to fill this at all in virtio.  The
> > > attributes are simply exporting the SCSI INQUIRY data, and do not make
> > > any sense at all outside a SCSI context.  In fact the type field even
> > > contains numbers from the scsi protocol spec that just don't make sense.
> >
> > Hmm, so other non-SCSI devices don't have these neither?
> > Do you have any suggestions to find another way to identify a disk?
>
> Many modern disks have uuid strings identifying them, e.g. virtio-blk
> has a serial attribute for it.  For SCSI and ATA they are retreived
> by issuing the commands to get them through the pass through ioctls
> right now, but I'd love to see the serial sysfs attribute implemented
> there as well.

Hmm, looks promising but needs more efforts.

Thanks!
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/