[PATCH v2 2/3] block: add a new helper bdev_{is_zone_start, offset_from_zone_start}

[Bart Van Assche]

On 1/10/23 06:36, Pankaj Raghav wrote:
> Instead of open coding to check for zone start, add a helper to improve
> readability and store the logic in one place.

Reviewed-by: Bart Van Assche <bvanassche at acm.org>