linux-kernel - Re: [PATCH -next v2 0/6] md: fix that MD_RECOVERY_RUNNING can be cleared while sync

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Date:   Thu, 8 Jun 2023 21:44:53 -0700
From:   Song Liu <song@...nel.org>
To:     Yu Kuai <yukuai1@...weicloud.com>
Cc:     guoqing.jiang@...ux.dev, agk@...hat.com, snitzer@...nel.org,
        dm-devel@...hat.com, linux-kernel@...r.kernel.org,
        linux-raid@...r.kernel.org, yi.zhang@...wei.com,
        yangerkun@...wei.com, "yukuai (C)" <yukuai3@...wei.com>
Subject: Re: [PATCH -next v2 0/6] md: fix that MD_RECOVERY_RUNNING can be
 cleared while sync_thread is still running

On Wed, Jun 7, 2023 at 7:41 PM Yu Kuai <yukuai1@...weicloud.com> wrote:
>
> Hi,
>
> 在 2023/05/29 21:20, Yu Kuai 写道:
> > From: Yu Kuai <yukuai3@...wei.com>
> >
> > Changes in v2:
> >   - rebase for the latest md-next
> >
> > Patch 1 revert the commit because it will cause MD_RECOVERY_RUNNING to be
> > cleared while sync_thread is still running. The deadlock this patch tries
> > to fix will be fixed by patch 2-5.
> >
> > Patch 6 enhance checking to prevent MD_RECOVERY_RUNNING to be cleared
> > while sync_thread is still running.
>
> Any suggestions on this patchset? I already sent regression test
> for the deadlock problem for both raid10 and raid456.

Sorry for the delay. I will look into this soon.

Thanks,
Song