Re: [PATCH v9 01/17] block: Introduce more member variables related to zone write locking

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On 8/17/23 04:53, Bart Van Assche wrote:
> Many but not all storage controllers require serialization of zoned writes.
> Introduce two new request queue limit member variables related to write
> serialization. 'driver_preserves_write_order' allows block drivers to
> indicate that the order of write commands is preserved and hence that
> serialization of writes per zone is not required. 'use_zone_write_lock' is
> set by disk_set_zoned() if and only if the block device has zones and if
> the block driver does not preserve the order of write requests.
> 
> Cc: Damien Le Moal <dlemoal@xxxxxxxxxx>
> Cc: Christoph Hellwig <hch@xxxxxx>
> Cc: Ming Lei <ming.lei@xxxxxxxxxx>
> Signed-off-by: Bart Van Assche <bvanassche@xxxxxxx>

Looks OK to me.

Reviewed-by: Damien Le Moal <dlemoal@xxxxxxxxxx>

-- 
Damien Le Moal
Western Digital Research




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