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path: root/block/blk-iocost.c
AgeCommit message (Expand)AuthorFilesLines
2022-08-17block: don't allow the same type rq_qos add more than onceJinke Han1-7/+13
2022-05-09iocost: don't reset the inuse weight of under-weighted debtorsTejun Heo1-1/+11
2021-12-22iocost: Fix divide-by-zero on donation from low hweight cgroupTejun Heo1-1/+8
2021-08-31Merge tag 'for-5.15/block-2021-08-30' of git://git.kernel.dk/linux-blockLinus Torvalds1-14/+9
2021-08-16blk-cgroup: stop using seq_get_bufChristoph Hellwig1-14/+9
2021-08-10blk-iocost: fix lockdep warning on blkcg->lockMing Lei1-4/+4
2021-07-28blk-iocost: fix operation ordering in iocg_wake_fn()Tejun Heo1-5/+6
2021-05-12blk-iocost: fix weight updates of inner active iocgsTejun Heo1-2/+12
2021-04-26blk-iocost: don't ignore vrate_min on QD contentionTejun Heo1-4/+0
2021-01-05blk-iocost: fix NULL iocg deref from racing against initializationTejun Heo1-5/+11
2020-12-17blk-iocost: Add iocg idle state tracepointBaolin Wang1-0/+3
2020-12-07blk-iocost: Factor out the base vrate change into a separate functionBaolin Wang1-45/+54
2020-12-07blk-iocost: Factor out the active iocgs' state check into a separate functionBaolin Wang1-40/+54
2020-12-07blk-iocost: Move the usage ratio calculation to the correct placeBaolin Wang1-21/+23
2020-12-07blk-iocost: Remove unnecessary advance declarationBaolin Wang1-2/+0
2020-12-07blk-iocost: Fix some typos in commentsBaolin Wang1-6/+6
2020-12-02block: simplify bdev/disk lookup in blkdev_getChristoph Hellwig1-18/+18
2020-10-09block: use helper function to test queue registerYufen Yu1-1/+1
2020-10-08block: Remove redundant 'return' statementBaolin Wang1-1/+1
2020-09-25iocost: consider iocgs with active delays for debt forgivenessTejun Heo1-4/+7
2020-09-25iocost: add iocg_forgive_debt tracepointTejun Heo1-0/+12
2020-09-25iocost: reimplement debt forgiveness using average usageTejun Heo1-25/+69
2020-09-25iocost: recalculate delay after debt reductionTejun Heo1-1/+3
2020-09-25iocost: replace nr_shortages cond in ioc_forgive_debts() with busy_level oneTejun Heo1-8/+5
2020-09-25iocost: factor out ioc_forgive_debts()Tejun Heo1-31/+35
2020-09-15iocost: fix infinite loop bug in adjust_inuse_and_calc_cost()Tejun Heo1-3/+9
2020-09-12blk-iocost: fix divide-by-zero in transfer_surpluses()Tejun Heo1-4/+10
2020-09-02blk-iocost: add three debug stat - cost.wait, indebt and indelayTejun Heo1-5/+72
2020-09-02blk-iocost: restore inuse update tracepointsTejun Heo1-0/+16
2020-09-02blk-iocost: implement vtime loss compensationTejun Heo1-42/+90
2020-09-02blk-iocost: halve debts if device stays idleTejun Heo1-1/+48
2020-09-02blk-iocost: implement delay adjustment hysteresisTejun Heo1-50/+69
2020-09-02blk-iocost: revamp debt handlingTejun Heo1-24/+93
2020-09-02blk-iocost: revamp in-period donation snapbacksTejun Heo1-37/+96
2020-09-02blk-iocost: revamp donation amount determinationTejun Heo1-82/+51
2020-09-02blk-iocost: implement Andy's method for donation weight updatesTejun Heo1-8/+244
2020-09-02blk-iocost: restructure surplus donation logicTejun Heo1-76/+103
2020-09-02blk-iocost: decouple vrate adjustment from surplus transfersTejun Heo1-12/+7
2020-09-02blk-iocost: replace iocg->has_surplus with ->surplus_listTejun Heo1-8/+11
2020-09-02blk-iocost: calculate iocg->usages[] from iocg->local_stat.usage_usTejun Heo1-27/+45
2020-09-02blk-iocost: add absolute usage statTejun Heo1-6/+149
2020-09-02blk-iocost: grab ioc->lock for debt handlingTejun Heo1-19/+73
2020-09-02blk-iocost: streamline vtime margin and timer slack handlingTejun Heo1-29/+38
2020-09-02blk-iocost: make ioc_now->now and ioc->period_at 64bitTejun Heo1-2/+2
2020-09-02blk-iocost: use WEIGHT_ONE based fixed point number for weightsTejun Heo1-12/+13
2020-09-02blk-iocost: s/HWEIGHT_WHOLE/WEIGHT_ONE/gTejun Heo1-10/+10
2020-09-02blk-iocost: make iocg_kick_waitq() call iocg_kick_delay() after paying debtTejun Heo1-1/+2
2020-09-02blk-iocost: move iocg_kick_delay() above iocg_kick_waitq()Tejun Heo1-60/+60
2020-09-02blk-iocost: clamp inuse and skip noops in __propagate_weights()Tejun Heo1-1/+4
2020-09-02blk-iocost: rename propagate_active_weights() to propagate_weights()Tejun Heo1-20/+20