md/raid0: convert raid0_make_request() to use bio_submit_split_bioset()

Currently, raid0_make_request() will remap the original bio to underlying
disks to prevent reordered IO. Now that bio_submit_split_bioset() will put
original bio to the head of current->bio_list, it's safe converting to use
this helper and bio will still be ordered.

CC: Jan Kara <jack@suse.cz>
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Yu Kuai
2025-09-10 14:30:56 +08:00
committed by Jens Axboe
parent b2f5974079
commit e0ed2bca7b

View File

@@ -607,19 +607,10 @@ static bool raid0_make_request(struct mddev *mddev, struct bio *bio)
: sector_div(sector, chunk_sects));
if (sectors < bio_sectors(bio)) {
struct bio *split = bio_split(bio, sectors, GFP_NOIO,
bio = bio_submit_split_bioset(bio, sectors,
&mddev->bio_set);
if (IS_ERR(split)) {
bio->bi_status = errno_to_blk_status(PTR_ERR(split));
bio_endio(bio);
if (!bio)
return true;
}
bio_chain(split, bio);
trace_block_split(split, bio->bi_iter.bi_sector);
raid0_map_submit_bio(mddev, bio);
bio = split;
}
raid0_map_submit_bio(mddev, bio);