Hi, this series contain two patches to fix bug in request injection
mechanism and some random cleancode patches.
Thanks!

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V3:
 -Thanks Jan for review. Remove unnecessary brace in patch "block, bfq:
remove unnecessary goto tag in bfq_dispatch_rq_from_bfqq" according to
recommend from Jan and collect Reviewed-by tag from Jan for rest
patches.
 -Drop patch "block, bfq: remove redundant bfqd->rq_in_driver > 0 check
in bfq_add_request" and "block, bfq: remove check of
bfq_wr_max_softrt_rate which is always greater than 0".

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v2:
 -improve git log.
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Kemeng Shi (8):
  block, bfq: correctly raise inject limit in
    bfq_choose_bfqq_for_injection
  block, bfq: remove unsed parameter reason in bfq_bfqq_is_slow
  block, bfq: initialize bfqq->decrease_time_jif correctly
  block, bfq: use helper macro RQ_BFQQ to get bfqq of request
  block, bfq: remove unnecessary dereference to get async_bfqq
  block, bfq: remove redundant check in bfq_put_cooperator
  block, bfq: remove unnecessary goto tag in bfq_dispatch_rq_from_bfqq
  block, bfq: remove unused bfq_wr_max_time in struct bfq_data

 block/bfq-iosched.c | 40 +++++++++++++++-------------------------
 block/bfq-iosched.h |  2 --
 2 files changed, 15 insertions(+), 27 deletions(-)

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2.30.0