linux-kernel - [PATCH v4 0/8] A few bugfix and cleancode patch for bfq

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Message-Id: <20230116095153.3810101-1-shikemeng@huaweicloud.com>
Date:   Mon, 16 Jan 2023 17:51:45 +0800
From:   Kemeng Shi <shikemeng@...weicloud.com>
To:     jack@...e.com, damien.lemoal@...nsource.wdc.com,
        paolo.valente@...aro.org, axboe@...nel.dk
Cc:     hch@....de, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v4 0/8] A few bugfix and cleancode patch for bfq

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

---
V4:
 -Thanks Jan and Damien for review. Collect Reviewed-by from Jan and
Damien. Now all patches get Reviewed-by tag.
 -Make patches based on latest code and fix conflicts of patch 1/8
"block, bfq: correctly raise inject limit in bfq_choose_bfqq_for_injection"
and 5/8 "block, bfq: remove unnecessary dereference to get async_bfqq"

---
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".

---
v2:
 -improve git log.
---

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(-)

-- 
2.30.0