Re: [PATCH 3/3] ibmvsci: Allow to configure maximum LUN

From: Tyrel Datwyler
Date: Mon Sep 28 2015 - 17:39:48 EST


On 09/10/2015 02:23 AM, Laurent Vivier wrote:
> QEMU allows until 32 LUNs.
>
> Signed-off-by: Laurent Vivier <lvivier@xxxxxxxxxx>

Acked-by: Tyrel Datwyler <tyreld@xxxxxxxxxxxxxxxxxx>

> ---
> drivers/scsi/ibmvscsi/ibmvscsi.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c
> index f9d7ec4..e5478b0 100644
> --- a/drivers/scsi/ibmvscsi/ibmvscsi.c
> +++ b/drivers/scsi/ibmvscsi/ibmvscsi.c
> @@ -84,6 +84,7 @@
> */
> static int max_id = 64;
> static int max_channel = 3;
> +static int max_lun = 8;
> static int init_timeout = 300;
> static int login_timeout = 60;
> static int info_timeout = 30;
> @@ -117,6 +118,8 @@ module_param_named(fast_fail, fast_fail, int, S_IRUGO | S_IWUSR);
> MODULE_PARM_DESC(fast_fail, "Enable fast fail. [Default=1]");
> module_param_named(client_reserve, client_reserve, int, S_IRUGO );
> MODULE_PARM_DESC(client_reserve, "Attempt client managed reserve/release");
> +module_param(max_lun, int, S_IRUGO);
> +MODULE_PARM_DESC(max_lun, "Maximum LUN value [Default=8]");
>
> static void ibmvscsi_handle_crq(struct viosrp_crq *crq,
> struct ibmvscsi_host_data *hostdata);
> @@ -2289,7 +2292,7 @@ static int ibmvscsi_probe(struct vio_dev *vdev, const struct vio_device_id *id)
> goto init_pool_failed;
> }
>
> - host->max_lun = 8;
> + host->max_lun = max_lun;
> host->max_id = max_id;
> host->max_channel = max_channel;
> host->max_cmd_len = 16;
>

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