Unverified Commit ecedbab0 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!2065 dm: switch to precise io accounting 

Merge Pull Request from: @ci-robot 
 
PR sync from: Li Nan <linan122@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/RRHS6ZE4XUWUMX3CZPN6QMJLXRWNXM66/ 
 
https://gitee.com/openeuler/kernel/issues/I7WMMI 
 
Link:https://gitee.com/openeuler/kernel/pulls/2065

 

Reviewed-by: default avatarYu Kuai <yukuai3@huawei.com>
Reviewed-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
Signed-off-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
parents 5a9bf845 93f5bea7

drivers/md/dm.c

+2 −2
Original line number Original line Diff line number Diff line
@@ -587,7 +587,7 @@ static void start_io_acct(struct dm_io *io) 
	struct mapped_device *md = io->md;

	struct mapped_device *md = io->md;

	struct bio *bio = io->orig_bio;

	struct bio *bio = io->orig_bio;





	io->start_time = bio_start_io_acct(bio);

	io->start_time = bio_start_precise_io_acct(bio);

	if (unlikely(dm_stats_used(&md->stats)))

	if (unlikely(dm_stats_used(&md->stats)))

		dm_stats_account_io(&md->stats, bio_data_dir(bio),

		dm_stats_account_io(&md->stats, bio_data_dir(bio),

				    bio->bi_iter.bi_sector, bio_sectors(bio),

				    bio->bi_iter.bi_sector, bio_sectors(bio),
@@ -606,7 +606,7 @@ static void end_io_acct(struct mapped_device *md, struct bio *bio, 




	smp_wmb();

	smp_wmb();





	bio_end_io_acct(bio, start_time);

	bio_end_precise_io_acct(bio, start_time);





	/* nudge anyone waiting on suspend queue */

	/* nudge anyone waiting on suspend queue */

	if (unlikely(wq_has_sleeper(&md->wait)))

	if (unlikely(wq_has_sleeper(&md->wait)))