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Subject[PATCH 06/16] dm: use bio_{start,end}_io_acct
Date
Switch dm to use the nicer bio accounting helpers.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
---
drivers/md/dm.c | 9 ++-------
1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index f215b86664484..3f39fa1ac756e 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -681,11 +681,7 @@ static void start_io_acct(struct dm_io *io)
struct mapped_device *md = io->md;
struct bio *bio = io->orig_bio;

- io->start_time = jiffies;
-
- generic_start_io_acct(md->queue, bio_op(bio), bio_sectors(bio),
- &dm_disk(md)->part0);
-
+ io->start_time = bio_start_io_acct(bio);
if (unlikely(dm_stats_used(&md->stats)))
dm_stats_account_io(&md->stats, bio_data_dir(bio),
bio->bi_iter.bi_sector, bio_sectors(bio),
@@ -698,8 +694,7 @@ static void end_io_acct(struct dm_io *io)
struct bio *bio = io->orig_bio;
unsigned long duration = jiffies - io->start_time;

- generic_end_io_acct(md->queue, bio_op(bio), &dm_disk(md)->part0,
- io->start_time);
+ bio_end_io_acct(bio, io->start_time);

if (unlikely(dm_stats_used(&md->stats)))
dm_stats_account_io(&md->stats, bio_data_dir(bio),
--
2.26.2
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