Re: [PATCH v2 22/28] block: mq-deadline: Remove support for zone write locking

Bart Van Assche
2024-03-25T22:13:30Z

On 3/24/24 21:44, Damien Le Moal wrote:
> With the block layer generic plugging of write operations for zoned
> block devices, mq-deadline, or any other scheduler, can only ever
> see at most one write operation per zone at any time. There is thus no
> sequentiality requirements for these writes and thus no need to tightly
> control the dispatching of write requests using zone write locking.
>
> Remove all the code that implement this control in the mq-deadline
> scheduler and remove advertizing support for the
> ELEVATOR_F_ZBD_SEQ_WRITE elevator feature.

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