[PATCHv2] nvme: add 'iopolicy' module parameter

[Daniel Wagner]

On Fri, Dec 17, 2021 at 04:02:22PM +0100, Hannes Reinecke wrote:
> +static int iopolicy = NVME_IOPOLICY_NUMA;
> +module_param(iopolicy, int, 0444);
> +MODULE_PARM_DESC(iopolicy,
> +	"Default multipath I/O policy; 0 - NUMA (default), 1 - Round-robin");
> +
> +void nvme_mpath_default_iopolicy(struct nvme_subsystem *subsys)
> +{
> +	subsys->iopolicy = iopolicy;

Wouldn't make sense to check if iopolicy has a valid value too?