linux-kernel - Re: [PATCH -next 0/2] md: fix potential hang for mddev

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Message-ID: <aa13ca78-72b1-699a-5179-85fbc3a3c219@huaweicloud.com>
Date:   Mon, 25 Sep 2023 16:54:49 +0800
From:   Yu Kuai <yukuai1@...weicloud.com>
To:     Xiao Ni <xni@...hat.com>, Song Liu <song@...nel.org>
Cc:     Yu Kuai <yukuai1@...weicloud.com>, linux-raid@...r.kernel.org,
        linux-kernel@...r.kernel.org, yi.zhang@...wei.com,
        yangerkun@...wei.com, "yukuai (C)" <yukuai3@...wei.com>
Subject: Re: [PATCH -next 0/2] md: fix potential hang for mddev_suspend()

Hi,

在 2023/09/25 15:58, Xiao Ni 写道:
> On Sat, Sep 23, 2023 at 5:33 AM Song Liu <song@...nel.org> wrote:
>>
>> On Wed, Aug 30, 2023 at 2:33 AM Yu Kuai <yukuai1@...weicloud.com> wrote:
>>>
>>> From: Yu Kuai <yukuai3@...wei.com>
>>>
>>> Yu Kuai (2):
>>>    md: factor out helpers to grab and put 'active_io'
>>>    md: fix potential hang for mddev_suspend()
>>
>> Applied to md-next. Thanks!
>>
>> Song
>>
>>>
>>>   drivers/md/md.c | 36 ++++++++++++++++++++++++++++++------
>>>   1 file changed, 30 insertions(+), 6 deletions(-)
>>>
>>> --
>>> 2.39.2
>>>
>>
> 
> Hi all
> 
> For the second patch, active_io_release does this job. So it doesn't
> need to do this in md_array_exit again.

Yes, this is correct, I missed this while reviewing related code.

Song, can you revert this patchset for now? Sorry for the trouble.

Thanks,
Kuai

> 
> Best Regards
> Xiao
> 
> .
>