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Yu Kuai 8d6bbaada2 blk-throttle: prevent overflow while calculating wait time
There is a problem found by code review in tg_with_in_bps_limit() that
'bps_limit * jiffy_elapsed_rnd' might overflow. Fix the problem by
calling mul_u64_u64_div_u64() instead.

Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Acked-by: Tejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/20220829022240.3348319-3-yukuai1@huaweicloud.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-09-12 00:19:48 -06:00
arch
block blk-throttle: prevent overflow while calculating wait time 2022-09-12 00:19:48 -06:00
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Documentation
drivers nbd: Fix hung when signal interrupts nbd_start_device_ioctl() 2022-09-08 08:41:36 -06:00
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include blk-throttle: fix that io throttle can only work for single bio 2022-09-12 00:19:48 -06:00
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lib sbitmap: fix batched wait_cnt accounting 2022-09-12 00:10:34 -06:00
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Linux kernel
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There are several guides for kernel developers and users. These guides can
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