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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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