The dmx3191d driver is not capable of DMA or PDMA so all transfers use PIO. Now that large slow PIO transfers periodically stop and call cond_resched(), the max_sectors limit can go away. Signed-off-by: Finn Thain Reviewed-by: Hannes Reinecke --- drivers/scsi/dmx3191d.c | 1 - 1 file changed, 1 deletion(-) Index: linux/drivers/scsi/dmx3191d.c =================================================================== --- linux.orig/drivers/scsi/dmx3191d.c 2016-03-23 21:09:47.000000000 +1100 +++ linux/drivers/scsi/dmx3191d.c 2016-03-23 21:09:57.000000000 +1100 @@ -67,7 +67,6 @@ static struct scsi_host_template dmx3191 .cmd_per_lun = 2, .use_clustering = DISABLE_CLUSTERING, .cmd_size = NCR5380_CMD_SIZE, - .max_sectors = 128, }; static int dmx3191d_probe_one(struct pci_dev *pdev,