[PATCH v6 01/18] nvmet: Rapid Path Failure Recovery set controller identify fields

[Daniel Wagner]

>   maximum number of in-progress controller reset operations. CCRL is
>   hardcoded to 4 as recommended by TP8028.

The spec says at least 4. 

> @@ -1695,6 +1699,11 @@ struct nvmet_ctrl *nvmet_alloc_ctrl(struct nvmet_alloc_ctrl_args *args)
>  	}
>  	ctrl->cntlid = ret;
>  
> +	if (!nvmet_is_disc_subsys(ctrl->subsys)) {
> +		ctrl->ciu = get_random_u8() ? : 1;
> +		ctrl->cirn = get_random_u64();

While get_random_u64 is very unlikely to return 0, it still possible, thus

   get_random_u64() ? : 1;

would be the safe choice. Besides this nitpicking:

Reviewed-by: Daniel Wagner <dwagner at suse.de>

-- 
Daniel Wagner <wagi at kernel.org>