linux-kernel - Re: [PATCH v6 3/7] kernfs: use VFS negative dentry caching

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Message-ID: <YMQSfkgnw/B65bpV@zeniv-ca.linux.org.uk>
Date:   Sat, 12 Jun 2021 01:48:46 +0000
From:   Al Viro <viro@...iv.linux.org.uk>
To:     Ian Kent <raven@...maw.net>
Cc:     Miklos Szeredi <miklos@...redi.hu>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Tejun Heo <tj@...nel.org>, Eric Sandeen <sandeen@...deen.net>,
        Fox Chen <foxhlchen@...il.com>,
        Brice Goglin <brice.goglin@...il.com>,
        Rick Lindsley <ricklind@...ux.vnet.ibm.com>,
        David Howells <dhowells@...hat.com>,
        Marcelo Tosatti <mtosatti@...hat.com>,
        "Eric W. Biederman" <ebiederm@...ssion.com>,
        Carlos Maiolino <cmaiolino@...hat.com>,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v6 3/7] kernfs: use VFS negative dentry caching

On Sat, Jun 12, 2021 at 08:47:17AM +0800, Ian Kent wrote:

> > Perhaps add a note about this being dependent on parent of a negative
> > dentry never changing.
> 
> Which of course it it can change, at any time.

What?