On Thu, Jun 05 2003, Bartlomiej Zolnierkiewicz wrote:
> > Jens, Bart, what do you think ? Should I add pm_step & pm_state to
> > struct request ? Do the "extended taskfile structure" thing ? Or just
> > keep things like they are in this new patch and forget about carrying
> > the PM state value ?
>
> I think extending struct request is the way to go,
> pm_step & pm_state or even pointer to rq_pm_struct.
Agree
> > I also added another rq->flags bit for requests forced at the head of
> > the queue with ide_preempt. This is typically for sense requests done
> > by ide-cd (though I also spotted a user in the tcq stuff). I need that
> > to make sure that if such a request ever happens to be pushed in front
> > of the current PM request (with the drive->blocked flag already set),
> > we don't enter an endless loop, fetching that new request and dropping
> > it right away because we only accept PM requests from the queue once
> > the drive is suspended.
>
> Jens, I think generic version of ide_do_drive_cmd() would be useful for
> other block devices, what do you think?
Yes very much so, scsi_ioctl also basically implements part of this
functionality.
-- Jens Axboe- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Sat Jun 07 2003 - 22:00:29 EST