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Commits on Dec 7, 2018

• block, bfq: fix decrement of num_active_groups

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Commits on Sep 14, 2018

• blok, bfq: do not plug I/O if all queues are weight-raised

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• block, bfq: inject other-queue I/O into seeky idle queues on NCQ flash

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• block, bfq: correctly charge and reset entity service in all cases

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Commits on Aug 16, 2018

• block, bfq: improve code of bfq_bfqq_charge_time

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• block, bfq: reduce write overcharge

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• block, bfq: always update the budget of an entity when needed

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• block, bfq: readd missing reset of parent-entity service

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Commits on Jul 9, 2018

• block, bfq: give a better name to bfq_bfqq_may_idle

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• block, bfq: fix service being wrongly set to zero in case of preemption

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• block, bfq: do not expire a queue that will deserve dispatch plugging

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• block, bfq: add/remove entity weights correctly

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Commits on May 31, 2018

• block, bfq: remove slow-system class

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• block, bfq: add description of weight-raising heuristics

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• block, bfq: remove wrong check in bfq_requests_merged

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Commits on May 10, 2018

• block, bfq: postpone rq preparation to insert or merge

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Commits on Mar 26, 2018

• block, bfq: lower-bound the estimated peak rate to 1

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Commits on Feb 7, 2018

• block, bfq: add requeue-request hook

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Commits on Jan 18, 2018

• block, bfq: limit sectors served with interactive weight raising

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• block, bfq: limit tags for writes and async I/O

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Commits on Jan 9, 2018

• block, bfq: release oom-queue ref to root group on exit

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• block, bfq: put async queues for root bfq groups too

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Commits on Jan 5, 2018

• block, bfq: remove batches of confusing ifdefs

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• block, bfq: consider also past I/O in soft real-time detection

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• block, bfq: let a queue be merged only shortly after starting I/O

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• block, bfq: add missing rq_pos_tree update on rq removal

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• block, bfq: increase threshold to deem I/O as random

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Commits on Nov 15, 2017

• block, bfq: update blkio stats outside the scheduler lock

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• doc, block, bfq: update max IOPS sustainable with BFQ

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Commits on Oct 9, 2017

• block, bfq: fix unbalanced decrements of burst size

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Commits on Oct 3, 2017

• block, bfq: decrease burst size when queues in burst exit

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• block, bfq: let early-merged queues be weight-raised on split too

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• block, bfq: check and switch back to interactive wr also on queue split

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• block, bfq: fix wrong init of saved start time for weight raising

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Commits on Aug 31, 2017

• doc, block, bfq: better describe how to properly configure bfq

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