Re: [PATCH] st: Do not rewind for SG_IO

[Hannes Reinecke <hare@suse.de>]

On 02/06/2014 02:21 PM, Martin K. Petersen wrote:
>>>>>> "Hannes" == Hannes Reinecke <hare@suse.de> writes:
> 
> Hannes> Moving EVPD page 0x83 (and maybe 0x80, too) into sysfs will save
> Hannes> quite a lot of headache we have currently; udev won't have to
> Hannes> call 'sg_inq', information will be present even though the
> Hannes> device itself might be temporarily unavailable yadda yadda.
> 
> Hannes> So I've decided to bite the bullet and sent out a patch, check
> Hannes> for 'Add EVPD page 0x83 entries to sysfs'.
> 
> I'm already doing something similar since I need it for xcopy.
> 
Hehe. Beat you to it.

> My patch provides both the original VPD 0x83 and 0x80 bits as well as a
> handle identical to /sbin/scsi_id.
> 
Bah, don't do that.
That should better be handled by udev rules.
I've got a set of patches moving from scsi_id to sg_inq, which can
be easily adapted to using sysfs directly.

Once we figure out if that's the direction we want to go ...

> I'll take a look at your patch later today...
> 
Thanks.

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		      zSeries & Storage
hare@suse.de			      +49 911 74053 688
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: J. Hawn, J. Guild, F. Imendörffer, HRB 16746 (AG Nürnberg)
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