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author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-08-03 11:57:03 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-08-03 11:57:03 -0700 |
commit | 382625d0d4325fb14a29444eb8dce8dcc2eb9b51 (patch) | |
tree | de35ff523e65c3a98fd3ac3a3595d517856d03da /drivers/md/raid1.c | |
parent | 99f6cf61f175c1239ed8e86d4a1757c380da52d1 (diff) | |
parent | d958e343bdc3de2643ce25225bed082dc222858d (diff) | |
download | lwn-382625d0d4325fb14a29444eb8dce8dcc2eb9b51.tar.gz lwn-382625d0d4325fb14a29444eb8dce8dcc2eb9b51.zip |
Merge tag 'for-5.9/block-20200802' of git://git.kernel.dk/linux-block
Pull core block updates from Jens Axboe:
"Good amount of cleanups and tech debt removals in here, and as a
result, the diffstat shows a nice net reduction in code.
- Softirq completion cleanups (Christoph)
- Stop using ->queuedata (Christoph)
- Cleanup bd claiming (Christoph)
- Use check_events, moving away from the legacy media change
(Christoph)
- Use inode i_blkbits consistently (Christoph)
- Remove old unused writeback congestion bits (Christoph)
- Cleanup/unify submission path (Christoph)
- Use bio_uninit consistently, instead of bio_disassociate_blkg
(Christoph)
- sbitmap cleared bits handling (John)
- Request merging blktrace event addition (Jan)
- sysfs add/remove race fixes (Luis)
- blk-mq tag fixes/optimizations (Ming)
- Duplicate words in comments (Randy)
- Flush deferral cleanup (Yufen)
- IO context locking/retry fixes (John)
- struct_size() usage (Gustavo)
- blk-iocost fixes (Chengming)
- blk-cgroup IO stats fixes (Boris)
- Various little fixes"
* tag 'for-5.9/block-20200802' of git://git.kernel.dk/linux-block: (135 commits)
block: blk-timeout: delete duplicated word
block: blk-mq-sched: delete duplicated word
block: blk-mq: delete duplicated word
block: genhd: delete duplicated words
block: elevator: delete duplicated word and fix typos
block: bio: delete duplicated words
block: bfq-iosched: fix duplicated word
iocost_monitor: start from the oldest usage index
iocost: Fix check condition of iocg abs_vdebt
block: Remove callback typedefs for blk_mq_ops
block: Use non _rcu version of list functions for tag_set_list
blk-cgroup: show global disk stats in root cgroup io.stat
blk-cgroup: make iostat functions visible to stat printing
block: improve discard bio alignment in __blkdev_issue_discard()
block: change REQ_OP_ZONE_RESET and REQ_OP_ZONE_RESET_ALL to be odd numbers
block: defer flush request no matter whether we have elevator
block: make blk_timeout_init() static
block: remove retry loop in ioc_release_fn()
block: remove unnecessary ioc nested locking
block: integrate bd_start_claiming into __blkdev_get
...
Diffstat (limited to 'drivers/md/raid1.c')
-rw-r--r-- | drivers/md/raid1.c | 45 |
1 files changed, 7 insertions, 38 deletions
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index dcd27f3da84e..960d854c07f8 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -786,36 +786,6 @@ static int read_balance(struct r1conf *conf, struct r1bio *r1_bio, int *max_sect return best_disk; } -static int raid1_congested(struct mddev *mddev, int bits) -{ - struct r1conf *conf = mddev->private; - int i, ret = 0; - - if ((bits & (1 << WB_async_congested)) && - conf->pending_count >= max_queued_requests) - return 1; - - rcu_read_lock(); - for (i = 0; i < conf->raid_disks * 2; i++) { - struct md_rdev *rdev = rcu_dereference(conf->mirrors[i].rdev); - if (rdev && !test_bit(Faulty, &rdev->flags)) { - struct request_queue *q = bdev_get_queue(rdev->bdev); - - BUG_ON(!q); - - /* Note the '|| 1' - when read_balance prefers - * non-congested targets, it can be removed - */ - if ((bits & (1 << WB_async_congested)) || 1) - ret |= bdi_congested(q->backing_dev_info, bits); - else - ret &= bdi_congested(q->backing_dev_info, bits); - } - } - rcu_read_unlock(); - return ret; -} - static void flush_bio_list(struct r1conf *conf, struct bio *bio) { /* flush any pending bitmap writes to disk before proceeding w/ I/O */ @@ -834,7 +804,7 @@ static void flush_bio_list(struct r1conf *conf, struct bio *bio) /* Just ignore it */ bio_endio(bio); else - generic_make_request(bio); + submit_bio_noacct(bio); bio = next; cond_resched(); } @@ -1312,7 +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); - generic_make_request(bio); + submit_bio_noacct(bio); bio = split; r1_bio->master_bio = bio; r1_bio->sectors = max_sectors; @@ -1338,7 +1308,7 @@ static void raid1_read_request(struct mddev *mddev, struct bio *bio, trace_block_bio_remap(read_bio->bi_disk->queue, read_bio, disk_devt(mddev->gendisk), r1_bio->sector); - generic_make_request(read_bio); + submit_bio_noacct(read_bio); } static void raid1_write_request(struct mddev *mddev, struct bio *bio, @@ -1483,7 +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); - generic_make_request(bio); + submit_bio_noacct(bio); bio = split; r1_bio->master_bio = bio; r1_bio->sectors = max_sectors; @@ -2240,7 +2210,7 @@ static void sync_request_write(struct mddev *mddev, struct r1bio *r1_bio) atomic_inc(&r1_bio->remaining); md_sync_acct(conf->mirrors[i].rdev->bdev, bio_sectors(wbio)); - generic_make_request(wbio); + submit_bio_noacct(wbio); } put_sync_write_buf(r1_bio, 1); @@ -2926,7 +2896,7 @@ static sector_t raid1_sync_request(struct mddev *mddev, sector_t sector_nr, md_sync_acct_bio(bio, nr_sectors); if (read_targets == 1) bio->bi_opf &= ~MD_FAILFAST; - generic_make_request(bio); + submit_bio_noacct(bio); } } } else { @@ -2935,7 +2905,7 @@ static sector_t raid1_sync_request(struct mddev *mddev, sector_t sector_nr, md_sync_acct_bio(bio, nr_sectors); if (read_targets == 1) bio->bi_opf &= ~MD_FAILFAST; - generic_make_request(bio); + submit_bio_noacct(bio); } return nr_sectors; } @@ -3396,7 +3366,6 @@ static struct md_personality raid1_personality = .check_reshape = raid1_reshape, .quiesce = raid1_quiesce, .takeover = raid1_takeover, - .congested = raid1_congested, }; static int __init raid_init(void) |