From: "yu kuai" <yukuai@fygo.io>
To: "Abd-Alrhman Masalkhi" <abd.masalkhi@gmail.com>,
"yu kuai" <yukuai@fygo.io>, <song@kernel.org>,
<magiclinan@didiglobal.com>, <xiao@kernel.org>
Cc: <linux-raid@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
"sashiko-bot" <sashiko-bot@kernel.org>
Subject: Re: [PATCH] md: avoid modifying spares while the array is not suspended
Date: Tue, 7 Jul 2026 09:12:43 +0800 [thread overview]
Message-ID: <4f0b2516-65bd-41fa-abc3-3cd76951ec46@fygo.io> (raw)
In-Reply-To: <m2se5x6wff.fsf@gmail.com>
Hi,
在 2026/7/6 3:58, Abd-Alrhman Masalkhi 写道:
>> The problem looks real, however, I think this will cause a change that user will be awared,
>> if there are really spares that can be removed from conf, but array is not suspended here,
>> user will still expect rdev will be removed from conf automatically.
>>
>> In md_start_sync, if suspend is false, can we check again after mddev_lock? If suspend is
>> supposed to be true, we can release the lock and retry with suspend = true.
>>
> Yes, I see, and your approach is much better. But what do you think
> about taking the lock first and then checking only once?
I don't get what you mean. If we take the lock and then check that array should
suspend, we still have to release the lock before we suspend the array.
--
Thanks,
Kuai
next prev parent reply other threads:[~2026-07-07 1:13 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-30 7:56 [PATCH] md: avoid modifying spares while the array is not suspended Abd-Alrhman Masalkhi
2026-06-30 10:18 ` sashiko-bot
2026-07-05 16:16 ` yu kuai
2026-07-05 19:58 ` Abd-Alrhman Masalkhi
2026-07-07 1:12 ` yu kuai [this message]
2026-07-07 10:35 ` Abd-Alrhman Masalkhi
2026-07-08 8:32 ` yu kuai
2026-07-08 8:59 ` Abd-Alrhman Masalkhi
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