diff options
| author | Yu Kuai <yukuai3@huawei.com> | 2025-09-10 09:30:56 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2025-09-10 14:23:46 +0300 |
| commit | e0ed2bca7bef9267da0928a8ed6d1de41f19ecf6 (patch) | |
| tree | f5b500181059e8676514d2ec10b5f0aa08f7136d | |
| parent | b2f5974079d82a4761f002e80601064d4e39a81f (diff) | |
| download | linux-e0ed2bca7bef9267da0928a8ed6d1de41f19ecf6.tar.xz | |
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>
| -rw-r--r-- | drivers/md/raid0.c | 13 |
1 files changed, 2 insertions, 11 deletions
diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c index ca08ec2e1f27..adc9e68d064d 100644 --- a/drivers/md/raid0.c +++ b/drivers/md/raid0.c @@ -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); |