From: Song Liu <song@kernel.org>
To: Li Lingfeng <lilingfeng@huaweicloud.com>
Cc: linux-raid@vger.kernel.org, linux-kernel@vger.kernel.org,
yukuai3@huawei.com, linan122@huawei.com, yi.zhang@huawei.com,
yangerkun@huawei.com, lilingfeng3@huawei.com
Subject: Re: [PATCH] md: get rdev->mddev with READ_ONCE()
Date: Mon, 29 Jan 2024 22:48:46 -0800 [thread overview]
Message-ID: <CAPhsuW6YWnG86fTRcPeeGfk219dG=Rm=LeFde0OEJJjGnqgaZA@mail.gmail.com> (raw)
In-Reply-To: <c47a4ff6-43a0-a536-29ff-db2d1a931181@huaweicloud.com>
On Mon, Jan 29, 2024 at 5:55 AM Li Lingfeng <lilingfeng@huaweicloud.com> wrote:
>
> Friendly ping ...
>
> Thanks
>
> 在 2023/12/29 15:05, Li Lingfeng 写道:
> > From: Li Lingfeng <lilingfeng3@huawei.com>
> >
> > Users may get rdev->mddev by sysfs while rdev is releasing.
> > So use both READ_ONCE() and WRITE_ONCE() to prevent load/store tearing
> > and to read/write mddev atomically.
> >
> > Signed-off-by: Li Lingfeng <lilingfeng3@huawei.com>
Sorry for the delay. Applied to md-tmp-6.9 branch.
Thanks,
Song
prev parent reply other threads:[~2024-01-30 6:49 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-29 7:05 [PATCH] md: get rdev->mddev with READ_ONCE() Li Lingfeng
2024-01-02 6:16 ` Yu Kuai
2024-01-29 13:55 ` Li Lingfeng
2024-01-30 6:48 ` Song Liu [this message]
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