diff options
Diffstat (limited to 'block/blk-throttle.c')
| -rw-r--r-- | block/blk-throttle.c | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/block/blk-throttle.c b/block/blk-throttle.c index 2c4192e12efa..6b82fcbd7e77 100644 --- a/block/blk-throttle.c +++ b/block/blk-throttle.c @@ -1593,13 +1593,6 @@ static bool tg_within_limit(struct throtl_grp *tg, struct bio *bio, bool rw) return tg_may_dispatch(tg, bio, NULL); } -static void tg_dispatch_in_debt(struct throtl_grp *tg, struct bio *bio, bool rw) -{ - if (!bio_flagged(bio, BIO_BPS_THROTTLED)) - tg->carryover_bytes[rw] -= throtl_bio_data_size(bio); - tg->carryover_ios[rw]--; -} - bool __blk_throtl_bio(struct bio *bio) { struct request_queue *q = bdev_get_queue(bio->bi_bdev); @@ -1636,10 +1629,12 @@ bool __blk_throtl_bio(struct bio *bio) /* * IOs which may cause priority inversions are * dispatched directly, even if they're over limit. - * Debts are handled by carryover_bytes/ios while - * calculating wait time. + * + * Charge and dispatch directly, and our throttle + * control algorithm is adaptive, and extra IO bytes + * will be throttled for paying the debt */ - tg_dispatch_in_debt(tg, bio, rw); + throtl_charge_bio(tg, bio); } else { /* if above limits, break to queue */ break; |