Re: SCSI spinup.

Alan Cox (alan@lxorguk.ukuu.org.uk)
Thu, 2 Dec 1999 23:22:30 +0000 (GMT)

> On Thu, 2 Dec 1999, Alan Cox wrote:
>
> > I think you need to catch any spinups at the point the read/write is about
> > to be issued, or on an error return.
>
> Catching NOT_READY in rw_intr to me looked like the best way to do that.
> But I just got told recent high end scsi drivers tend to bypass the
> midlayer, so is there a more generic approach?

Those that bypass the midlayer are raid controllers. They also tend to
do disk spin up/down themselves too.

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