linux-kernel - Re: linux kernel without file system

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Message-ID: <20090114144937.GA21043@frolo.macqel>
Date:	Wed, 14 Jan 2009 15:49:38 +0100
From:	Philippe De Muyter <phdm@...qel.be>
To:	David Newall <davidn@...idnewall.com>
Cc:	Tomasz Chmielewski <mangoo@...g.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: linux kernel without file system

On Thu, Jan 15, 2009 at 12:57:55AM +1030, David Newall wrote:
> Philippe De Muyter wrote:
> > Actually, I was thinking about reducing the footprint of my kernel by
> > removing all the fs-related system calls, so the problem is not where
> > the file-system is, but how to access (serial) devices without giving their
> > "/dev/..." name.
> 
> That's fighting the UNIX design, in "which everything is a file."  You
> can remove all of the disk-based filesystems, but if you try to remove
> open, close, read or write there'll be almost nothing that you can
> usefully do.

Of course, I need read, write and ioctl and socket and friends but I do not
need open, creat, link, rename etc.

Philippe
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