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SubjectRe: [RFC Patch] virtio: export model and type in /sys
于 2011年02月12日 15:17, Christoph Hellwig 写道:
> 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.

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