diff options
| author | Yu Kuai <yukuai3@huawei.com> | 2023-06-22 00:51:07 +0800 |
|---|---|---|
| committer | Song Liu <song@kernel.org> | 2023-07-27 00:13:29 -0700 |
| commit | 820455238366a78a44a85cc7d58a987e728464d9 (patch) | |
| tree | ae0957e9cbf904b049407074a68c13392bfcd120 /drivers/md | |
| parent | bb2a9acefaf9ce5bbc1e70f407e34599233d0243 (diff) | |
md/raid10: switch to use md_account_bio() for io accounting
Make sure that 'active_io' will represent inflight io instead of io that
is dispatching, and io accounting from all levels will be consistent.
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Reviewed-by: Xiao Ni <xni@redhat.com>
Signed-off-by: Song Liu <song@kernel.org>
Link: https://lore.kernel.org/r/20230621165110.1498313-6-yukuai1@huaweicloud.com
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/raid10.c | 20 | ||||
| -rw-r--r-- | drivers/md/raid10.h | 1 |
2 files changed, 9 insertions, 12 deletions
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 5051149e27bb..d42e9b7d2608 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -325,8 +325,6 @@ static void raid_end_bio_io(struct r10bio *r10_bio) if (!test_bit(R10BIO_Uptodate, &r10_bio->state)) bio->bi_status = BLK_STS_IOERR; - if (r10_bio->start_time) - bio_end_io_acct(bio, r10_bio->start_time); bio_endio(bio); /* * Wake up any possible resync thread that waits for the device @@ -1172,7 +1170,7 @@ static bool regular_request_wait(struct mddev *mddev, struct r10conf *conf, } static void raid10_read_request(struct mddev *mddev, struct bio *bio, - struct r10bio *r10_bio) + struct r10bio *r10_bio, bool io_accounting) { struct r10conf *conf = mddev->private; struct bio *read_bio; @@ -1243,9 +1241,10 @@ static void raid10_read_request(struct mddev *mddev, struct bio *bio, } slot = r10_bio->read_slot; - if (!r10_bio->start_time && - blk_queue_io_stat(bio->bi_bdev->bd_disk->queue)) - r10_bio->start_time = bio_start_io_acct(bio); + if (io_accounting) { + md_account_bio(mddev, &bio); + r10_bio->master_bio = bio; + } read_bio = bio_alloc_clone(rdev->bdev, bio, gfp, &mddev->bio_set); r10_bio->devs[slot].bio = read_bio; @@ -1543,8 +1542,8 @@ static void raid10_write_request(struct mddev *mddev, struct bio *bio, r10_bio->master_bio = bio; } - if (blk_queue_io_stat(bio->bi_bdev->bd_disk->queue)) - r10_bio->start_time = bio_start_io_acct(bio); + md_account_bio(mddev, &bio); + r10_bio->master_bio = bio; atomic_set(&r10_bio->remaining, 1); md_bitmap_startwrite(mddev->bitmap, r10_bio->sector, r10_bio->sectors, 0); @@ -1571,12 +1570,11 @@ static void __make_request(struct mddev *mddev, struct bio *bio, int sectors) r10_bio->sector = bio->bi_iter.bi_sector; r10_bio->state = 0; r10_bio->read_slot = -1; - r10_bio->start_time = 0; memset(r10_bio->devs, 0, sizeof(r10_bio->devs[0]) * conf->geo.raid_disks); if (bio_data_dir(bio) == READ) - raid10_read_request(mddev, bio, r10_bio); + raid10_read_request(mddev, bio, r10_bio, true); else raid10_write_request(mddev, bio, r10_bio); } @@ -2985,7 +2983,7 @@ static void handle_read_error(struct mddev *mddev, struct r10bio *r10_bio) rdev_dec_pending(rdev, mddev); r10_bio->state = 0; - raid10_read_request(mddev, r10_bio->master_bio, r10_bio); + raid10_read_request(mddev, r10_bio->master_bio, r10_bio, false); /* * allow_barrier after re-submit to ensure no sync io * can be issued while regular io pending. diff --git a/drivers/md/raid10.h b/drivers/md/raid10.h index 63e48b11b552..2e75e88d0802 100644 --- a/drivers/md/raid10.h +++ b/drivers/md/raid10.h @@ -123,7 +123,6 @@ struct r10bio { sector_t sector; /* virtual sector number */ int sectors; unsigned long state; - unsigned long start_time; struct mddev *mddev; /* * original bio going to /dev/mdx |