[dm-devel] [PATCH 02/11] block: introduce bio zone helpers

[Johannes Thumshirn]

On 19/05/2021 04:56, Damien Le Moal wrote:
> +static inline unsigned int bio_zone_no(struct request_queue *q,
> +				       struct bio *bio)
> +{
> +	return blk_queue_zone_no(q, bio->bi_iter.bi_sector);
> +}
> +
> +static inline unsigned int bio_zone_is_seq(struct request_queue *q,
> +					   struct bio *bio)
> +{
> +	return blk_queue_zone_is_seq(q, bio->bi_iter.bi_sector);
> +}
> +

Can't we derive the queue from the bio via bio->bi_bdev->bd_disk->queue
or would this be too much pointer chasing for a small helper like this?