[PATCH 4/4] md: use submit_bio_noacct_add_head for split bio sending back
From: dannyshih <hidden>
Date: 2020-12-29 09:29:28
Also in:
dm-devel, linux-block
Subsystem:
software raid (multiple disks) support, the rest · Maintainers:
Song Liu, Yu Kuai, Linus Torvalds
From: Danny Shih <redacted> Use submit_bio_noacct_add_head when sending split bio back to md device. Otherwise, it might be handled after the lately split bio. Signed-off-by: Danny Shih <redacted> Reviewed-by: Allen Peng <redacted> Reviewed-by: Alex Wu <redacted> --- drivers/md/md-linear.c | 2 +- drivers/md/raid0.c | 4 ++-- drivers/md/raid1.c | 4 ++-- drivers/md/raid10.c | 4 ++-- drivers/md/raid5.c | 2 +- 5 files changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/md/md-linear.c b/drivers/md/md-linear.c
index 68cac7d..24418ee 100644
--- a/drivers/md/md-linear.c
+++ b/drivers/md/md-linear.c@@ -243,7 +243,7 @@ static bool linear_make_request(struct mddev *mddev, struct bio *bio) struct bio *split = bio_split(bio, end_sector - bio_sector, GFP_NOIO, &mddev->bio_set); bio_chain(split, bio); - submit_bio_noacct(bio); + submit_bio_noacct_add_head(bio); bio = split; }
diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index 67f157f..92e82d5 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c@@ -447,7 +447,7 @@ static void raid0_handle_discard(struct mddev *mddev, struct bio *bio) zone->zone_end - bio->bi_iter.bi_sector, GFP_NOIO, &mddev->bio_set); bio_chain(split, bio); - submit_bio_noacct(bio); + submit_bio_noacct_add_head(bio); bio = split; end = zone->zone_end; } else
@@ -552,7 +552,7 @@ static bool raid0_make_request(struct mddev *mddev, struct bio *bio) struct bio *split = bio_split(bio, sectors, GFP_NOIO, &mddev->bio_set); bio_chain(split, bio); - submit_bio_noacct(bio); + submit_bio_noacct_add_head(bio); bio = split; }
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index c034799..31cec76 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c@@ -1282,7 +1282,7 @@ static void raid1_read_request(struct mddev *mddev, struct bio *bio, struct bio *split = bio_split(bio, max_sectors, gfp, &conf->bio_split); bio_chain(split, bio); - submit_bio_noacct(bio); + submit_bio_noacct_add_head(bio); bio = split; r1_bio->master_bio = bio; r1_bio->sectors = max_sectors;
@@ -1453,7 +1453,7 @@ static void raid1_write_request(struct mddev *mddev, struct bio *bio, struct bio *split = bio_split(bio, max_sectors, GFP_NOIO, &conf->bio_split); bio_chain(split, bio); - submit_bio_noacct(bio); + submit_bio_noacct_add_head(bio); bio = split; r1_bio->master_bio = bio; r1_bio->sectors = max_sectors;
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index c5d88ef..c4dc970 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c@@ -1177,7 +1177,7 @@ static void raid10_read_request(struct mddev *mddev, struct bio *bio, gfp, &conf->bio_split); bio_chain(split, bio); allow_barrier(conf); - submit_bio_noacct(bio); + submit_bio_noacct_add_head(bio); wait_barrier(conf); bio = split; r10_bio->master_bio = bio;
@@ -1460,7 +1460,7 @@ static void raid10_write_request(struct mddev *mddev, struct bio *bio, GFP_NOIO, &conf->bio_split); bio_chain(split, bio); allow_barrier(conf); - submit_bio_noacct(bio); + submit_bio_noacct_add_head(bio); wait_barrier(conf); bio = split; r10_bio->master_bio = bio;
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 3a90cc0..17458ac 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c@@ -5490,7 +5490,7 @@ static struct bio *chunk_aligned_read(struct mddev *mddev, struct bio *raid_bio) struct r5conf *conf = mddev->private; split = bio_split(raid_bio, sectors, GFP_NOIO, &conf->bio_split); bio_chain(split, raid_bio); - submit_bio_noacct(raid_bio); + submit_bio_noacct_add_head(raid_bio); raid_bio = split; }
--
2.7.4