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From: Christoph Hellwig <hch@lst.de>
To: Jens Axboe <axboe@kernel.dk>
Cc: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>,
	Minchan Kim <minchan@kernel.org>, Nitin Gupta <ngupta@vflare.org>,
	dm-devel@redhat.com, linux-block@vger.kernel.org,
	drbd-dev@lists.linbit.com, linux-bcache@vger.kernel.org,
	linux-nvdimm@lists.01.org, linux-kernel@vger.kernel.org
Subject: [PATCH 06/16] dm: use bio_{start,end}_io_acct
Date: Wed, 27 May 2020 07:24:09 +0200	[thread overview]
Message-ID: <20200527052419.403583-7-hch@lst.de> (raw)
In-Reply-To: <20200527052419.403583-1-hch@lst.de>

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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  parent reply	other threads:[~2020-05-27  5:24 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-27  5:24 block I/O accounting improvements v2 Christoph Hellwig
2020-05-27  5:24 ` [PATCH 01/16] block: add disk/bio-based accounting helpers Christoph Hellwig
2020-05-27  5:24 ` [PATCH 02/16] drbd: use bio_{start,end}_io_acct Christoph Hellwig
2020-05-27  5:24 ` [PATCH 03/16] rsxx: " Christoph Hellwig
2020-05-27  5:24 ` [PATCH 04/16] lightnvm/pblk: " Christoph Hellwig
2020-05-27  5:24 ` [PATCH 05/16] bcache: " Christoph Hellwig
2020-05-27  5:24 ` Christoph Hellwig [this message]
2020-05-27  5:24 ` [PATCH 07/16] nvdimm: " Christoph Hellwig
2020-05-27  5:24 ` [PATCH 08/16] zram: nvdimm: use bio_{start,end}_io_acct and disk_{start,end}_io_acct Christoph Hellwig
2020-05-27  5:24 ` [PATCH 09/16] block: remove generic_{start,end}_io_acct Christoph Hellwig
2020-05-27  5:24 ` [PATCH 10/16] block: move update_io_ticks to blk-core.c Christoph Hellwig
2020-05-27  5:24 ` [PATCH 11/16] block: always use a percpu variable for disk stats Christoph Hellwig
2020-05-27  5:24 ` [PATCH 12/16] block: account merge of two requests Christoph Hellwig
2020-05-27  5:24 ` [PATCH 13/16] block: add a blk_account_io_merge_bio helper Christoph Hellwig
2020-05-27  5:24 ` [PATCH 14/16] block: remove rcu_read_lock() from part_stat_lock() Christoph Hellwig
2020-05-27  5:24 ` [PATCH 15/16] block: use __this_cpu_add() instead of access by smp_processor_id() Christoph Hellwig
2020-05-27  5:24 ` [PATCH 16/16] block: reduce part_stat_lock() scope Christoph Hellwig
2020-05-27 11:22 ` block I/O accounting improvements v2 Jens Axboe
  -- strict thread matches above, loose matches on Subject: below --
2020-05-25 11:29 block I/O accounting improvements Christoph Hellwig
2020-05-25 11:30 ` [PATCH 06/16] dm: use bio_{start,end}_io_acct Christoph Hellwig

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