linux-kernel - [PATCH 0/4] cancel all throttled bios in del

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Message-ID: <20211127101059.477405-1-yukuai3@huawei.com>
Date:   Sat, 27 Nov 2021 18:10:55 +0800
From:   Yu Kuai <yukuai3@...wei.com>
To:     <hch@...radead.org>, <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 0/4] 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.

This patch series handle such io in del_gendisk().

Yu Kuai (4):
  Revert "blk-throttle: remove tg_drain_bios"
  blk-throtl: don't warn in tg_drain_bios()
  blk-throtl: introduce blk_throtl_cancel_bios()
  block: cancel all throttled bios in del_gendisk()

 block/blk-throttle.c | 68 +++++++++++++++++++++++++++++++++++++++++---
 block/blk-throttle.h |  2 ++
 block/genhd.c        |  2 ++
 3 files changed, 68 insertions(+), 4 deletions(-)

-- 
2.31.1