On 8/6/21 5:18 AM, Damien Le Moal wrote:
> diff --git a/include/uapi/linux/ioprio.h b/include/uapi/linux/ioprio.h
> index abc40965aa96..99d37d4807b8 100644
> --- a/include/uapi/linux/ioprio.h
> +++ b/include/uapi/linux/ioprio.h
> @@ -31,9 +31,9 @@ enum {
> };
>
> /*
> - * 8 best effort priority levels are supported
> + * The RT and BE priority classes both support up to 8 priority levels.
> */
> -#define IOPRIO_BE_NR 8
> +#define IOPRIO_NR_LEVELS 8
That might not be a good idea, if an application already uses
IOPRIO_BE_NR...
--
Jens Axboe
