From: Yu Kuai <yukuai3@xxxxxxxxxx>
Unify bio split code, prepare to fix disordered split IO.
Signed-off-by: Yu Kuai <yukuai3@xxxxxxxxxx>
---
drivers/md/md-linear.c | 12 ++----------
1 file changed, 2 insertions(+), 10 deletions(-)
diff --git a/drivers/md/md-linear.c b/drivers/md/md-linear.c
index 59d7963c7843..701e3aac0a21 100644
--- a/drivers/md/md-linear.c
+++ b/drivers/md/md-linear.c
@@ -256,19 +256,11 @@ 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,
+ bio = bio_submit_split_bioset(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);
+ 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);
--
2.39.2
