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Message-ID: <20220128084522.3169961-1-yukuai3@huawei.com>
Date:   Fri, 28 Jan 2022 16:45:20 +0800
From:   Yu Kuai <yukuai3@...wei.com>
To:     <ming.lei@...hat.com>, <tj@...nel.org>, <axboe@...nel.dk>
CC:     <cgroups@...r.kernel.org>, <linux-block@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <yukuai3@...wei.com>,
        <yi.zhang@...wei.com>
Subject: [PATCH v7 0/2] cancel all throttled bios in del_gendisk()

If del_gendisk() is done when some io are still throttled, such io
will not be handled until the throttle is done, which is not
necessary.

Changes in v7:
 - use the new solution as suggested by Ming.

Yu Kuai (2):
  blk-throtl: introduce a new flag THROTL_TG_CANCELING
  block: cancel all throttled bios in del_gendisk()

 block/blk-throttle.c | 49 ++++++++++++++++++++++++++++++++++++++++----
 block/blk-throttle.h |  2 ++
 block/genhd.c        |  2 ++
 3 files changed, 49 insertions(+), 4 deletions(-)

-- 
2.31.1

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