Messages in this thread | | | Date | Sat, 12 Feb 2011 17:56:13 +0800 | From | Cong Wang <> | Subject | Re: [RFC Patch] virtio: export model and type in /sys |
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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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