[PATCHv3 1/5] block: add capacity field to zone descriptors

[Jens Axboe]

On Mon, Jun 22, 2020 at 10:25 AM Keith Busch <kbusch at kernel.org> wrote:
>
> From: Matias Bjørling <matias.bjorling at wdc.com>
>
> In the zoned storage model, the sectors within a zone are typically all
> writeable. With the introduction of the Zoned Namespace (ZNS) Command
> Set in the NVM Express organization, the model was extended to have a
> specific writeable capacity.
>
> Extend the zone descriptor data structure with a zone capacity field to
> indicate to the user how many sectors in a zone are writeable.
>
> Introduce backward compatibility in the zone report ioctl by extending
> the zone report header data structure with a flags field to indicate if
> the capacity field is available.

Reviewed-by: Jens Axboe <axboe at kernel.dk>

-- 
Jens Axboe