From: Yu Kuai <yukuai1@huaweicloud.com>
To: Yu Kuai <yukuai1@huaweicloud.com>,
guoqing.jiang@linux.dev, agk@redhat.com, snitzer@kernel.org,
dm-devel@redhat.com, song@kernel.org
Cc: linux-kernel@vger.kernel.org, linux-raid@vger.kernel.org,
yi.zhang@huawei.com, yangerkun@huawei.com,
"yukuai (C)" <yukuai3@huawei.com>
Subject: Re: [PATCH -next v2 0/6] md: fix that MD_RECOVERY_RUNNING can be cleared while sync_thread is still running
Date: Thu, 8 Jun 2023 10:41:01 +0800 [thread overview]
Message-ID: <0a38ddc1-b47e-04e8-dbf5-25afcd13fff4@huaweicloud.com> (raw)
In-Reply-To: <20230529132037.2124527-1-yukuai1@huaweicloud.com>
Hi,
在 2023/05/29 21:20, Yu Kuai 写道:
> From: Yu Kuai <yukuai3@huawei.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.
Thanks,
Kuai
>
> Yu Kuai (6):
> Revert "md: unlock mddev before reap sync_thread in action_store"
> md: refactor action_store() for 'idle' and 'frozen'
> md: add a mutex to synchronize idle and frozen in action_store()
> md: refactor idle/frozen_sync_thread() to fix deadlock
> md: wake up 'resync_wait' at last in md_reap_sync_thread()
> md: enhance checking in md_check_recovery()
>
> drivers/md/dm-raid.c | 1 -
> drivers/md/md.c | 124 +++++++++++++++++++++++++++++--------------
> drivers/md/md.h | 5 ++
> 3 files changed, 88 insertions(+), 42 deletions(-)
>
next prev parent reply other threads:[~2023-06-08 2:41 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-29 13:20 [PATCH -next v2 0/6] md: fix that MD_RECOVERY_RUNNING can be cleared while sync_thread is still running Yu Kuai
2023-05-29 13:20 ` [PATCH -next v2 1/6] Revert "md: unlock mddev before reap sync_thread in action_store" Yu Kuai
2023-06-13 6:25 ` Xiao Ni
2023-06-13 11:58 ` Yu Kuai
2023-05-29 13:20 ` [PATCH -next v2 2/6] md: refactor action_store() for 'idle' and 'frozen' Yu Kuai
2023-06-13 8:02 ` [dm-devel] " Xiao Ni
2023-06-13 12:00 ` Yu Kuai
2023-06-13 12:25 ` Xiao Ni
2023-06-13 12:44 ` Yu Kuai
2023-06-13 14:14 ` Xiao Ni
2023-05-29 13:20 ` [PATCH -next v2 3/6] md: add a mutex to synchronize idle and frozen in action_store() Yu Kuai
2023-06-13 14:43 ` [dm-devel] " Xiao Ni
2023-06-14 1:15 ` Yu Kuai
2023-06-16 6:41 ` Song Liu
2023-05-29 13:20 ` [PATCH -next v2 4/6] md: refactor idle/frozen_sync_thread() to fix deadlock Yu Kuai
2023-06-13 14:50 ` [dm-devel] " Xiao Ni
2023-06-14 1:48 ` Yu Kuai
2023-06-14 2:04 ` Yu Kuai
2023-06-14 7:12 ` Xiao Ni
2023-06-14 7:38 ` Yu Kuai
2023-06-14 7:57 ` Xiao Ni
2023-06-14 8:28 ` Yu Kuai
2023-06-14 9:08 ` Xiao Ni
2023-06-15 1:28 ` Yu Kuai
2023-06-15 8:01 ` Xiao Ni
2023-06-15 8:17 ` Xiao Ni
2023-06-15 9:05 ` Yu Kuai
2023-06-15 9:14 ` Xiao Ni
2023-06-14 3:47 ` Xiao Ni
2023-06-14 6:04 ` Yu Kuai
2023-06-14 6:37 ` Xiao Ni
2023-05-29 13:20 ` [PATCH -next v2 5/6] md: wake up 'resync_wait' at last in md_reap_sync_thread() Yu Kuai
2023-06-14 7:20 ` Xiao Ni
2023-05-29 13:20 ` [PATCH -next v2 6/6] md: enhance checking in md_check_recovery() Yu Kuai
2023-06-14 7:24 ` [dm-devel] " Xiao Ni
2023-06-08 2:41 ` Yu Kuai [this message]
2023-06-09 4:44 ` [PATCH -next v2 0/6] md: fix that MD_RECOVERY_RUNNING can be cleared while sync_thread is still running Song Liu
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