From: "yu kuai" <yukuai@fygo.io>
To: 李佑鸿 <dayou5941@163.com>, "yu kuai" <yukuai@fygo.io>
Cc: <song@kernel.org>, <magiclinan@didiglobal.com>, <xiao@kernel.org>,
<linux-raid@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
"Li Youhong" <liyouhong@kylinos.cn>, <stable@vger.kernel.org>
Subject: Re: [PATCH v2] md/raid5: use dedicated llist for stripe plug
Date: Tue, 20 Oct 2026 15:27:38 +0800 [thread overview]
Message-ID: <be3187cd-c163-468f-b7a5-775cb2e57510@fygo.io> (raw)
In-Reply-To: <59377ab5.6b99.1a11f8ceb72.Coremail.dayou5941@163.com>
Hi,
在 2026/10/9 15:24, 李佑鸿 写道:
> llist_for_each_entry_safe()
> does not walk a NULL node, so I think an extra NULL check is not
> necessary.
A NULL check can still avoid an unnecessary spin_lock, I think this will
make sense.
--
Thanks,
Kuai
prev parent reply other threads:[~2026-10-20 7:27 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-22 6:09 Li Youhong
2026-10-09 3:12 ` yu kuai
2026-10-09 7:24 ` 李佑鸿
2026-10-20 7:27 ` yu kuai [this message]
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