linux-kernel - Re: [PATCH] kernfs: fix the race in the creation of negative dentry

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Date:   Mon, 27 Sep 2021 13:31:34 +0800
From:   Ian Kent <raven@...maw.net>
To:     Hou Tao <houtao1@...wei.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Tejun Heo <tj@...nel.org>, Miklos Szeredi <mszeredi@...hat.com>
Cc:     viro@...IV.linux.org.uk, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] kernfs: fix the race in the creation of negative dentry

On Mon, 2021-09-27 at 09:51 +0800, Hou Tao wrote:
> Hi,
> 
> On 9/23/2021 10:50 AM, Ian Kent wrote:
> > Great, although I was hoping you would check it worked as expected.
> > Did you check?
> > If not could you please do that check?
> It fixes the race. I rerun the stress test of module addition and
> removal,
> and the problem doesn't occur after 12 hours.

Great, thanks, I'll forward the patch to Greg after some basic testing.

Ian