From 6529d41d87827f9a27f6c0c6d34c2b77b250b6c6 Mon Sep 17 00:00:00 2001 From: Yu Kuai Date: Wed, 10 Sep 2025 14:30:52 +0800 Subject: [PATCH] md/md-linear: convert to use bio_submit_split_bioset() Unify bio split code, prepare to fix reordered split IO. Signed-off-by: Yu Kuai Reviewed-by: Christoph Hellwig Signed-off-by: Jens Axboe --- drivers/md/md-linear.c | 15 +++------------ 1 file changed, 3 insertions(+), 12 deletions(-) diff --git a/drivers/md/md-linear.c b/drivers/md/md-linear.c index 59d7963c7843b..76f85cc329420 100644 --- a/drivers/md/md-linear.c +++ b/drivers/md/md-linear.c @@ -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); -- 2.47.3