Hello, James.
On Mon, Dec 03, 2012 at 08:25:43AM +0000, James Bottomley wrote:
> > diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
> > index e65c62e..1756151 100644
> > --- a/include/scsi/scsi_device.h
> > +++ b/include/scsi/scsi_device.h
> > @@ -160,6 +160,7 @@ struct scsi_device {
> > unsigned can_power_off:1; /* Device supports runtime power off */
> > unsigned wce_default_on:1; /* Cache is ON by default */
> > unsigned no_dif:1; /* T10 PI (DIF) should be disabled */
> > + unsigned event_driven:1; /* No need to poll the device */
> >
> > DECLARE_BITMAP(supported_events, SDEV_EVT_MAXBITS); /* supported events */
> > struct list_head event_list; /* asserted events */
>
> Yes, but if we can get away with doing that, it should be in genhd
> because it's completely generic.
>
> I was imagining we'd have to fake the reply to the test unit ready or
> some other commands, which is why it would need to be in sr.c
>
> The check events code is Tejun's baby, if he's OK with it then just do
> it in genhd.c
The problem here is there's no easy to reach genhd from libata (or the
other way around) without going through sr. I think we're gonna have
to have something in sr one way or the other.
Thanks.
--
tejun
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