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authorLi Nan <linan122@huawei.com>2023-01-17 15:08:06 +0800
committerJens Axboe <axboe@kernel.dk>2023-01-29 15:18:34 -0700
commitb3260329658483d8e46f0298bfa4ce0b772a6555 (patch)
treef498fd51e32c3514f2ed05787b1ab9fe7cb3e692 /block/blk-core.c
parent984af1e66b4126cf145153661cc24c213e2ec231 (diff)
blk-iocost: change div64_u64 to DIV64_U64_ROUND_UP in ioc_refresh_params()
vrate_min is calculated by DIV64_U64_ROUND_UP, but vrate_max is calculated by div64_u64. Vrate_min may be 1 greater than vrate_max if the input values min and max of cost.qos are equal. Signed-off-by: Li Nan <linan122@huawei.com> Signed-off-by: Yu Kuai <yukuai3@huawei.com> Acked-by: Tejun Heo <tj@kernel.org> Link: https://lore.kernel.org/r/20230117070806.3857142-6-yukuai1@huaweicloud.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-core.c')
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