Re: [PATCH -next v2 0/6] md: fix that MD_RECOVERY_RUNNING can be cleared while sync_thread is still running

From: Song Liu
Date: Fri Jun 09 2023 - 00:45:14 EST


On Wed, Jun 7, 2023 at 7:41 PM Yu Kuai <yukuai1@xxxxxxxxxxxxxxx> wrote:
>
> Hi,
>
> 在 2023/05/29 21:20, Yu Kuai 写道:
> > From: Yu Kuai <yukuai3@xxxxxxxxxx>
> >
> > 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