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block/bfq_wf2q: correct weight to ioprio
The return value is ioprio * BFQ_WEIGHT_CONVERSION_COEFF or 0. What we want is ioprio or 0. Correct this by changing the calculation. Signed-off-by: Yahu Gao <gaoyahu19@gmail.com> Acked-by: Paolo Valente <paolo.valente@linaro.org> Link: https://lore.kernel.org/r/20220107065859.25689-1-gaoyahu19@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
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@ -519,7 +519,7 @@ unsigned short bfq_ioprio_to_weight(int ioprio)
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static unsigned short bfq_weight_to_ioprio(int weight)
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static unsigned short bfq_weight_to_ioprio(int weight)
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{
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{
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return max_t(int, 0,
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return max_t(int, 0,
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IOPRIO_NR_LEVELS * BFQ_WEIGHT_CONVERSION_COEFF - weight);
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IOPRIO_NR_LEVELS - weight / BFQ_WEIGHT_CONVERSION_COEFF);
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}
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}
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static void bfq_get_entity(struct bfq_entity *entity)
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static void bfq_get_entity(struct bfq_entity *entity)
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