[PATCHv3 1/4] block: add zone specific block statuses

[Johannes Thumshirn]

On 18/09/2020 01:18, Keith Busch wrote:
> diff --git a/Documentation/block/queue-sysfs.rst b/Documentation/block/queue-sysfs.rst
> index f261a5c84170..2638d3446b79 100644
> --- a/Documentation/block/queue-sysfs.rst
> +++ b/Documentation/block/queue-sysfs.rst
> @@ -124,6 +124,10 @@ For zoned block devices (zoned attribute indicating "host-managed" or
>  EXPLICIT OPEN, IMPLICIT OPEN or CLOSED, is limited by this value.
>  If this value is 0, there is no limit.
>  
> +If the host attempts to exceed this limit, the driver should report this error
> +with BLK_STS_ZONE_ACTIVE_RESOURCE, which user space may see as the EOVERFLOW
> +errno.
> +
>  max_open_zones (RO)
>  -------------------
>  For zoned block devices (zoned attribute indicating "host-managed" or
> @@ -131,6 +135,10 @@ For zoned block devices (zoned attribute indicating "host-managed" or
>  EXPLICIT OPEN or IMPLICIT OPEN, is limited by this value.
>  If this value is 0, there is no limit.
>  
> +If the host attempts to exceed this limit, the driver should report this error
> +with BLK_STS_ZONE_OPEN_RESOURCE, which user space may see as the ETOOMANYREFS
> +errno.

Don't we also need to update some man pages in section 2?

Code wise,
Reviewed-by: Johannes Thumshirn <johannes.thumshirn at wdc.com>