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Date:   Sat, 25 Jul 2020 23:10:22 +0100
From:   Al Viro <viro@zeniv.linux.org.uk>
To:     Pascal Bouchareine <kalou@tfz.net>
Cc:     linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
        linux-api@vger.kernel.org, Alexey Dobriyan <adobriyan@gmail.com>,
        Jeff Layton <jlayton@poochiereds.net>,
        "J. Bruce Fields" <bfields@fieldses.org>
Subject: Re: [PATCH] proc,fcntl: introduce F_SET_DESCRIPTION
Message-ID: <20200725221022.GQ2786714@ZenIV.linux.org.uk>
References: <20200725004043.32326-1-kalou@tfz.net>
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On Fri, Jul 24, 2020 at 05:40:43PM -0700, Pascal Bouchareine wrote:
> This command attaches a description to a file descriptor for
> troubleshooting purposes. The free string is displayed in the
> process fdinfo file for that fd /proc/pid/fdinfo/fd.
> 
> One intended usage is to allow processes to self-document sockets
> for netstat and friends to report

Have you even tried to test it?  When will it ever free those things?