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md/raid5: convert to use bio_submit_split_bioset()

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Unify bio split code, prepare to fix ordering of split IO.

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 14:30:51 +08:00
committed by Jens Axboe
parent 6fc07785d9
commit 9e8a5b37c9
1 changed files with 4 additions and 6 deletions
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10
drivers/md/raid5.c
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@@ -5486,7 +5486,6 @@ static int raid5_read_one_chunk(struct mddev *mddev, struct bio *raid_bio)
static struct bio *chunk_aligned_read(struct mddev *mddev, struct bio *raid_bio)
{
struct bio *split;
sector_t sector = raid_bio->bi_iter.bi_sector;
unsigned chunk_sects = mddev->chunk_sectors;
unsigned sectors = chunk_sects - (sector & (chunk_sects-1));
@@ -5494,11 +5493,10 @@ static struct bio *chunk_aligned_read(struct mddev *mddev, struct bio *raid_bio)
if (sectors < bio_sectors(raid_bio)) {
struct r5conf *conf = mddev->private;
split = bio_split(raid_bio, sectors, GFP_NOIO, &conf->bio_split);
bio_chain(split, raid_bio);
trace_block_split(split, raid_bio->bi_iter.bi_sector);
submit_bio_noacct(raid_bio);
raid_bio = split;
raid_bio = bio_submit_split_bioset(raid_bio, sectors,
&conf->bio_split);
if (!raid_bio)
return NULL;
}
if (!raid5_read_one_chunk(mddev, raid_bio))