diff options
| author | Guoqing Jiang <jgq516@gmail.com> | 2021-05-25 17:46:22 +0800 |
|---|---|---|
| committer | Song Liu <song@kernel.org> | 2021-06-14 22:32:07 -0700 |
| commit | 528bc2cf2fccef2c2c17263f9932094bf81fee5a (patch) | |
| tree | e0e58a2b431cf7d8c4590598ae400632a60520e7 /drivers/md | |
| parent | a0159832e51e3af03b89ecc5d6b9db451e529b5f (diff) | |
| download | linux-528bc2cf2fccef2c2c17263f9932094bf81fee5a.tar.gz | |
md/raid10: enable io accounting
For raid10, we record the start time between split bio and clone bio, and finish the accounting in the final endio. Also introduce start_time in r10bio accordingly. Signed-off-by: Guoqing Jiang <jiangguoqing@kylinos.cn> Signed-off-by: Song Liu <song@kernel.org>
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/raid10.c | 6 | ||||
| -rw-r--r-- | drivers/md/raid10.h | 1 |
2 files changed, 7 insertions, 0 deletions
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 13f5e6b2a73d..16977e8e075d 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -297,6 +297,8 @@ 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 (blk_queue_io_stat(bio->bi_bdev->bd_disk->queue)) + bio_end_io_acct(bio, r10_bio->start_time); bio_endio(bio); /* * Wake up any possible resync thread that waits for the device @@ -1184,6 +1186,8 @@ static void raid10_read_request(struct mddev *mddev, struct bio *bio, } slot = r10_bio->read_slot; + if (blk_queue_io_stat(bio->bi_bdev->bd_disk->queue)) + r10_bio->start_time = bio_start_io_acct(bio); read_bio = bio_clone_fast(bio, gfp, &mddev->bio_set); r10_bio->devs[slot].bio = read_bio; @@ -1483,6 +1487,8 @@ 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); atomic_set(&r10_bio->remaining, 1); md_bitmap_startwrite(mddev->bitmap, r10_bio->sector, r10_bio->sectors, 0); diff --git a/drivers/md/raid10.h b/drivers/md/raid10.h index 1461fd55311b..c34bb196790e 100644 --- a/drivers/md/raid10.h +++ b/drivers/md/raid10.h @@ -124,6 +124,7 @@ 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 |