Hi Jens,
On Thu, 11 Jan 2007 09:34:31 +0100, Jens Axboe <[email protected]> wrote:
> > +static int cdrom_newpc_intr_dma_callback(void *arg)
> > +{
> > + void **argv = (void **)arg;
> > + struct request *rq = (struct request *)*argv++;
> > + ide_drive_t *drive = (ide_drive_t *)argv++;
> > + spinlock_t *ide_lock = (spinlock_t *)argv;
> > +
> > + rq->data_len = 0;
> > +
> > + cdrom_newpc_intr_callback_common(rq, drive, ide_lock);
> > +
> > + return 0;
> > +}
>
> And this is why, down right horrible. The callback should be correctly
> typed, pass down a request pointer ALWAYS.
OK. I think everything such callbacks need can be obtained through
struct request. (e.g. ide_drive_t can get by rq->q->queuedata and
ide_lock can get by rq->q->queue_lock.)
So I'll change the callback to pass a pointer to the request
instead of void *.
Thanks,
Kiyoshi Ueda
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