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blkio-throttle: There is no need to convert jiffies to milli seconds

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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>
This commit is contained in:
Vivek Goyal 2010-10-01 21:16:38 +02:00 committed by Jens Axboe
parent 3aad5d3ee4
commit 5e901a2b95
1 changed files with 3 additions and 4 deletions
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7
block/blk-throttle.c
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@ -439,8 +439,7 @@ static bool tg_with_in_iops_limit(struct throtl_data *td, struct throtl_grp *tg,
jiffy_elapsed_rnd = roundup(jiffy_elapsed_rnd, throtl_slice);
io_allowed = (tg->iops[rw] * jiffies_to_msecs(jiffy_elapsed_rnd))
/ MSEC_PER_SEC;
io_allowed = (tg->iops[rw] * jiffy_elapsed_rnd) / HZ;
if (tg->io_disp[rw] + 1 <= io_allowed) {
if (wait)
@ -476,8 +475,8 @@ static bool tg_with_in_bps_limit(struct throtl_data *td, struct throtl_grp *tg,
jiffy_elapsed_rnd = roundup(jiffy_elapsed_rnd, throtl_slice);
tmp = tg->bps[rw] * jiffies_to_msecs(jiffy_elapsed_rnd);
do_div(tmp, MSEC_PER_SEC);
tmp = tg->bps[rw] * jiffy_elapsed_rnd;
do_div(tmp, HZ);
bytes_allowed = tmp;
if (tg->bytes_disp[rw] + bio->bi_size <= bytes_allowed) {