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[SCSI] Consolidate REQ_BLOCK_PC handling path (fix ipod panic)

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This follows on from Jens' patch and consolidates all of the ULD
separate handlers for REQ_BLOCK_PC into a single call which has his
fix for our direction bug.

Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
James Bottomley
2005-12-09 17:45:22 -05:00
committed by James Bottomley
parent 322e079f1b
commit c9526497cf
5 changed files with 27 additions and 62 deletions
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19
drivers/scsi/st.c
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@@ -4194,27 +4194,10 @@ static void st_intr(struct scsi_cmnd *SCpnt)
*/
static int st_init_command(struct scsi_cmnd *SCpnt)
{
struct request *rq;
if (!(SCpnt->request->flags & REQ_BLOCK_PC))
return 0;
rq = SCpnt->request;
if (sizeof(rq->cmd) > sizeof(SCpnt->cmnd))
return 0;
memcpy(SCpnt->cmnd, rq->cmd, sizeof(SCpnt->cmnd));
SCpnt->cmd_len = rq->cmd_len;
if (rq_data_dir(rq) == WRITE)
SCpnt->sc_data_direction = DMA_TO_DEVICE;
else if (rq->data_len)
SCpnt->sc_data_direction = DMA_FROM_DEVICE;
else
SCpnt->sc_data_direction = DMA_NONE;
SCpnt->timeout_per_command = rq->timeout;
SCpnt->transfersize = rq->data_len;
scsi_setup_blk_pc_cmnd(SCpnt, 0);
SCpnt->done = st_intr;
return 1;
}