blk-throttle: improve bypassing bios checkings

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"tg->has_rules" is extended to "tg->has_rules_iops/bps", thus bios that
don't need to be throttled can be checked accurately.

With this patch, bio will be throttled if:

1) Bio is read/write, and corresponding read/write iops limit exist.
2) If corresponding doesn't exist, corresponding bps limit exist and
bio is not throttled before.

Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Acked-by: Tejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/20220921095309.1481289-3-yukuai1@huaweicloud.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Yu Kuai 2022-09-21 17:53:09 +08:00 • committed by Jens Axboe

parent 8549674990

commit 81c7a63abc

2 changed files with 28 additions and 7 deletions

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13

block/blk-throttle.c

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22

block/blk-throttle.h

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