From: "yukuai (C)" <yukuai3@huawei.com>
To: <tj@kernel.org>, <mkoutny@suse.com>, <hch@infradead.org>,
<axboe@kernel.dk>
Cc: <cgroups@vger.kernel.org>, <linux-block@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, <yi.zhang@huawei.com>
Subject: Re: [PATCH v5 0/2] cancel all throttled bios in del_gendisk()
Date: Fri, 7 Jan 2022 09:08:15 +0800 [thread overview]
Message-ID: <29a780c6-ad65-ece8-4fbc-acd766b681f8@huawei.com> (raw)
In-Reply-To: <ca8d39fc-48d3-cfd9-3fa4-a329bb37b91b@huawei.com>
在 2021/12/18 17:09, yukuai (C) 写道:
> 在 2021/12/10 16:31, Yu Kuai 写道:
>> 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 v2:
>> - move WARN_ON_ONCE() from throtl_rb_first() to it's caller
>> - merge some patches into one.
>>
>> Changes in v3:
>> - some code optimization in patch 1
>> - hold queue lock to cancel bios in patch 2
>>
>> Changes in v4:
>> - delete rcu_read_lock() and rcu_read_unlock() in patch 2
>>
>> Changes in v5:
>> - add comment about rcu lock
> Friendly ping...
Friendly ping ...
>>
>> Yu Kuai (2):
>> blk-throtl: move WARN_ON_ONCE() from throtl_rb_first() to it's caller
>> block: cancel all throttled bios in del_gendisk()
>>
>> block/blk-throttle.c | 75 ++++++++++++++++++++++++++++++++++++++++++--
>> block/blk-throttle.h | 2 ++
>> block/genhd.c | 2 ++
>> 3 files changed, 76 insertions(+), 3 deletions(-)
>>
prev parent reply other threads:[~2022-01-07 1:08 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-10 8:31 [PATCH v5 0/2] cancel all throttled bios in del_gendisk() Yu Kuai
2021-12-10 8:31 ` [PATCH v5 1/2] blk-throtl: move WARN_ON_ONCE() from throtl_rb_first() to it's caller Yu Kuai
2021-12-10 8:31 ` [PATCH v5 2/2] block: cancel all throttled bios in del_gendisk() Yu Kuai
2022-01-07 15:05 ` Michal Koutný
2022-01-07 21:18 ` Tejun Heo
2022-01-07 21:36 ` Paul E. McKenney
2022-01-10 1:28 ` yukuai (C)
2021-12-18 9:09 ` [PATCH v5 0/2] " yukuai (C)
2022-01-07 1:08 ` yukuai (C) [this message]
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