On 9/1/25 12:32 PM, Yu Kuai wrote:
> From: Yu Kuai <yukuai3@huawei.com>
> 
> Unify bio split code, and prepare to fix disordered split IO

Missing the period at the end of the above sentence.

> 
> Noted commit 319ff40a5427 ("md/raid0: Fix performance regression for large
> sequential writes") already fix disordered split IO by converting bio to
> underlying disks before submit_bio_noacct(), with the respect
> md_submit_bio() already split by sectors, and raid0_make_request() will
> split at most once for unaligned IO. This is a bit hacky and we'll convert
> this to solution in general later.

I do not see how this is relevant to this patch. The patch is a simple
straightforward conversion of hard-coded BIO split to using
bio_submit_split_bioset(). So I would just say that.

> Signed-off-by: Yu Kuai <yukuai3@huawei.com>

With the above addressed, this looks OK to me.

Reviewed-by: Damien Le Moal <dlemoal@kernel.org>

-- 
Damien Le Moal
Western Digital Research