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block: open code __blk_account_io_start()

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There is only one caller for __blk_account_io_start(), the function
is small enough to fit in its caller blk_account_io_start().

Remove the function and opencode in the its caller
blk_account_io_start().

Signed-off-by: Chaitanya Kulkarni <kch@nvidia.com>
Link: https://lore.kernel.org/r/20230327073427.4403-2-kch@nvidia.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Chaitanya Kulkarni 2023-03-27 00:34:26 -07:00 committed by Jens Axboe
parent 54bdd67d0f
commit e165fb4dd6
1 changed files with 16 additions and 20 deletions
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36
block/blk-mq.c
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@ -976,28 +976,24 @@ static inline void blk_account_io_done(struct request *req, u64 now)
__blk_account_io_done(req, now);
}
static void __blk_account_io_start(struct request *rq)
{
/*
* All non-passthrough requests are created from a bio with one
* exception: when a flush command that is part of a flush sequence
* generated by the state machine in blk-flush.c is cloned onto the
* lower device by dm-multipath we can get here without a bio.
*/
if (rq->bio)
rq->part = rq->bio->bi_bdev;
else
rq->part = rq->q->disk->part0;
part_stat_lock();
update_io_ticks(rq->part, jiffies, false);
part_stat_unlock();
}
static inline void blk_account_io_start(struct request *req)
{
if (blk_do_io_stat(req))
__blk_account_io_start(req);
if (blk_do_io_stat(req)) {
/*
* All non-passthrough requests are created from a bio with one
* exception: when a flush command that is part of a flush sequence
* generated by the state machine in blk-flush.c is cloned onto the
* lower device by dm-multipath we can get here without a bio.
*/
if (req->bio)
req->part = req->bio->bi_bdev;
else
req->part = req->q->disk->part0;
part_stat_lock();
update_io_ticks(req->part, jiffies, false);
part_stat_unlock();
}
}
static inline void __blk_mq_end_request_acct(struct request *rq, u64 now)