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md/md-linear: convert to use bio_submit_split_bioset()

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Unify bio split code, prepare to fix reordered 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 14:30:52 +08:00
committed by Jens Axboe
parent 9e8a5b37c9
commit 6529d41d87
1 changed files with 3 additions and 12 deletions
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15
drivers/md/md-linear.c
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@@ -256,19 +256,10 @@ static bool linear_make_request(struct mddev *mddev, struct bio *bio)
if (unlikely(bio_end_sector(bio) > end_sector)) {
/* This bio crosses a device boundary, so we have to split it */
struct bio *split = bio_split(bio, end_sector - bio_sector,
GFP_NOIO, &mddev->bio_set);
if (IS_ERR(split)) {
bio->bi_status = errno_to_blk_status(PTR_ERR(split));
bio_endio(bio);
bio = bio_submit_split_bioset(bio, end_sector - bio_sector,
&mddev->bio_set);
if (!bio)
return true;
}
bio_chain(split, bio);
trace_block_split(split, bio->bi_iter.bi_sector);
submit_bio_noacct(bio);
bio = split;
}
md_account_bio(mddev, &bio);