Hi, this series contain some patches to improve in-service queue
preemption, protect max_budget updating race between configuration
and auto-tuning and so on. More details can be found in respective
log message. Thanks!
Kemeng Shi (17):
block, bfq: properly mark bfqq remained idle
block, bfq: try preemption if bfqq has higher weight and the same
priority class
block, bfq: only preempt plugged in_service_queue if
bfq_better_to_idle say no
block, bfq: recover the "service hole" if enough budget is left
block, bfq: Update bfqd->max_budget with bfqd->lock held
block, bfq: correct bfq_max_budget and bfq_min_budget
block, bfq: correct interactive weight-raise check in
bfq_set_budget_timeout
block, bfq: start service_from_wr accumulating of async queues
correctly
block, bfq: stop to detect queue as waker queue if it already is now
block, bfq: fix typo in comment
block, bfq: simpfy computation of bfqd->budgets_assigned
block, bfq: define and use soft_rt, in_burst and wr_or_deserves_wr
only low_latency is enable
block, bfq: remove unnecessary "wr" part of wr_or_deserves_wr
block, bfq: remove redundant oom_bfqq check for bfqq from
bfq_find_close_cooperator
block, bfq: some cleanups for function bfq_pos_tree_add_move
block, bfq: remove unnecessary goto tag in __bfq_weights_tree_remove
block, bfq: remove unnecessary local variable __bfqq in
bfq_setup_merge
block/bfq-iosched.c | 176 +++++++++++++++++++++++---------------------
block/bfq-wf2q.c | 2 +-
2 files changed, 95 insertions(+), 83 deletions(-)
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2.30.0
