diff options
| author | Yahu Gao <[email protected]> | 2022-01-07 14:58:59 +0800 |
|---|---|---|
| committer | Jens Axboe <[email protected]> | 2022-02-16 20:09:14 -0700 |
| commit | bcd2be763252f3a4d5fc4d6008d4d96c601ee74b (patch) | |
| tree | 0b9b3a75437796bd4bcdff7f28a18df6e9118119 | |
| parent | 8f5fea65b06de1cc51d4fc23fb4d378d1abd6ed7 (diff) | |
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 <[email protected]>
Acked-by: Paolo Valente <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jens Axboe <[email protected]>
| -rw-r--r-- | block/bfq-wf2q.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/block/bfq-wf2q.c b/block/bfq-wf2q.c index b74cc0da118e..709b901de3ca 100644 --- a/block/bfq-wf2q.c +++ b/block/bfq-wf2q.c @@ -519,7 +519,7 @@ unsigned short bfq_ioprio_to_weight(int ioprio) static unsigned short bfq_weight_to_ioprio(int weight) { return max_t(int, 0, - IOPRIO_NR_LEVELS * BFQ_WEIGHT_CONVERSION_COEFF - weight); + IOPRIO_NR_LEVELS - weight / BFQ_WEIGHT_CONVERSION_COEFF); } static void bfq_get_entity(struct bfq_entity *entity) |