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@xxxxxxxxxx>
---
drivers/md/raid10.c | 7 +++++++
drivers/md/raid10.h | 1 +
2 files changed, 8 insertions(+)
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 13f5e6b2a73d..38795c237830 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -297,6 +297,9 @@ 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_remapped(bio, r10_bio->start_time,
+ bio->bi_bdev);
bio_endio(bio);
/*
* Wake up any possible resync thread that waits for the device
@@ -1184,6 +1187,8 @@ 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 +1488,8 @@ 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
--
2.25.1
