On Mon, Sep 01, 2025 at 11:32:11AM +0800, Yu Kuai wrote:
> +		bio = bio_submit_split_bioset(
> +				bio, zone->zone_end - bio->bi_iter.bi_sector,
> +				&mddev->bio_set);

Nit: this would be a bit more readable as:

		bio = bio_submit_split_bioset(bio,
				zone->zone_end - bio->bi_iter.bi_sector,
				&mddev->bio_set);

Otherwise looks good:

Reviewed-by: Christoph Hellwig <hch@lst.de>