linux-kernel - [PATCH v3 0/5] blk-wbt: simple improvment to enable wbt correctly

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Message-ID: <20220922113558.1085314-1-yukuai3@huawei.com>
Date:   Thu, 22 Sep 2022 19:35:53 +0800
From:   Yu Kuai <yukuai3@...wei.com>
To:     <jack@...e.cz>, <paolo.valente@...aro.org>, <axboe@...nel.dk>
CC:     <linux-block@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <yukuai3@...wei.com>, <yukuai1@...weicloud.com>,
        <yi.zhang@...wei.com>
Subject: [PATCH v3 0/5] blk-wbt: simple improvment to enable wbt correctly

changes in v3:
 - instead of check elevator name, add a flag in elevator_queue, as
 suggested by Christoph.
 - add patch 3 and patch 5 to this patchset.

changes in v2:
 - define new api if wbt config is not enabled in patch 1.

Yu Kuai (5):
  wbt: don't show valid wbt_lat_usec in sysfs while wbt is disabled
  elevator: add new field flags in struct elevator_queue
  block, bfq: don't disable wbt if CONFIG_BFQ_GROUP_IOSCHED is disabled
  blk-wbt: don't enable throttling if default elevator is bfq
  elevator: remove redundant code in elv_unregister_queue()

 block/bfq-iosched.c |  6 +++++-
 block/blk-sysfs.c   |  9 ++++++++-
 block/blk-wbt.c     | 15 ++++++++++++++-
 block/blk-wbt.h     |  5 +++++
 block/elevator.c    |  8 ++------
 block/elevator.h    |  5 ++++-
 6 files changed, 38 insertions(+), 10 deletions(-)

-- 
2.31.1