On Thu, 08 Nov 2007 11:24:36 +0200
Boaz Harrosh <bharrosh@xxxxxxxxxxx> wrote:
> >> diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
> >> index 18343a6..28cf6fe 100644
> >> --- a/drivers/scsi/sd.c
> >> +++ b/drivers/scsi/sd.c
> >> @@ -448,9 +448,6 @@ static int sd_prep_fn(struct request_queue *q, struct request *rq)
> >> } else if (rq_data_dir(rq) == READ) {
> >> SCpnt->cmnd[0] = READ_6;
> >> SCpnt->sc_data_direction = DMA_FROM_DEVICE;
> >> - } else {
> >> - scmd_printk(KERN_ERR, SCpnt, "Unknown command %x\n", rq->cmd_flags);
> >> - goto out;
> >
> > This should go to the bidi patch?
> >
> >> }
> >>
> This is just a dead code cleanup. It is got nothing to do with bidi or scsi_data_buffer
> for that matter. It could be in it's own patch, but surly it will not go into the bidi
> patch. I will submit a new patch just for that code. Independent of these.
> (I was hoping to save the extra effort)
Hm, is it dead code? I think it's kinda BUG_ON, that is, we should not
hit that code. sd only accetps READ and WRITE requests. It prevents
funcy requests like BIDI from accidentally comming.
-
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