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blkio-throttle: There is no need to convert jiffies to milli seconds
o Do not convert jiffies to mili seconds as it is not required. Just work with jiffies and HZ. Signed-off-by: Vivek Goyal <vgoyal@redhat.com> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
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@ -439,8 +439,7 @@ static bool tg_with_in_iops_limit(struct throtl_data *td, struct throtl_grp *tg,
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jiffy_elapsed_rnd = roundup(jiffy_elapsed_rnd, throtl_slice);
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io_allowed = (tg->iops[rw] * jiffies_to_msecs(jiffy_elapsed_rnd))
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/ MSEC_PER_SEC;
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io_allowed = (tg->iops[rw] * jiffy_elapsed_rnd) / HZ;
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if (tg->io_disp[rw] + 1 <= io_allowed) {
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if (wait)
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@ -476,8 +475,8 @@ static bool tg_with_in_bps_limit(struct throtl_data *td, struct throtl_grp *tg,
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jiffy_elapsed_rnd = roundup(jiffy_elapsed_rnd, throtl_slice);
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tmp = tg->bps[rw] * jiffies_to_msecs(jiffy_elapsed_rnd);
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do_div(tmp, MSEC_PER_SEC);
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tmp = tg->bps[rw] * jiffy_elapsed_rnd;
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do_div(tmp, HZ);
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bytes_allowed = tmp;
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if (tg->bytes_disp[rw] + bio->bi_size <= bytes_allowed) {
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