linux-kernel - Re: file metadata via fs API

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Message-ID: <CAJfpegt9yEHX3C-sF9UyOXJcRa1cfDnf450OEJ47Xk=FmyEs8A@mail.gmail.com>
Date:   Tue, 18 Aug 2020 22:18:29 +0200
From:   Miklos Szeredi <miklos@...redi.hu>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Steven Whitehouse <swhiteho@...hat.com>,
        David Howells <dhowells@...hat.com>,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        Al Viro <viro@...iv.linux.org.uk>, Karel Zak <kzak@...hat.com>,
        Jeff Layton <jlayton@...hat.com>,
        Miklos Szeredi <mszeredi@...hat.com>,
        Nicolas Dichtel <nicolas.dichtel@...nd.com>,
        Christian Brauner <christian@...uner.io>,
        Lennart Poettering <lennart@...ttering.net>,
        Linux API <linux-api@...r.kernel.org>,
        Ian Kent <raven@...maw.net>,
        LSM <linux-security-module@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: file metadata via fs API

On Tue, Aug 18, 2020 at 8:51 PM Linus Torvalds
<torvalds@...ux-foundation.org> wrote:

> I think people who have problems parsing plain ASCII text are just
> wrong. It's not that expensive. The thing that makes /proc/mounts
> expensive is not the individual lines - it's that there are a lot of
> them.

I agree completely with the above.

So why mix a binary structure into it?  Would it not make more sense
to make it text only?

I.e. NAME=VALUE pairs separated by newlines and quoting non-printable chars.

Thanks,
Miklos