Re: [PATCH 20/22] atari_scsi: Set a reasonable default for cmd_per_lun

From: Hannes Reinecke
Date: Mon Mar 14 2016 - 03:49:23 EST


On 03/14/2016 05:27 AM, Finn Thain wrote:
> This setting does not need to be conditional on Atari ST or TT.
>
> Without TCQ support, cmd_per_lun == 2 is probably reasonable...
>
> Signed-off-by: Finn Thain <fthain@xxxxxxxxxxxxxxxxxxx>
>
> ---
> drivers/scsi/atari_scsi.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> Index: linux/drivers/scsi/atari_scsi.c
> ===================================================================
> --- linux.orig/drivers/scsi/atari_scsi.c 2016-03-14 15:26:45.000000000 +1100
> +++ linux/drivers/scsi/atari_scsi.c 2016-03-14 15:26:55.000000000 +1100
> @@ -750,6 +750,7 @@ static struct scsi_host_template atari_s
> .eh_abort_handler = atari_scsi_abort,
> .eh_bus_reset_handler = atari_scsi_bus_reset,
> .this_id = 7,
> + .cmd_per_lun = 2,
> .use_clustering = DISABLE_CLUSTERING,
> .cmd_size = NCR5380_CMD_SIZE,
> };
_2_ ? Are you being overly cheeky here?
I sincerely doubt the driver is capable of submitting two
simultaneous commands ...
Care to explain?

Cheers,

Hannes
--
Dr. Hannes Reinecke Teamlead Storage & Networking
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