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Date: Thu, 27 Jul 2006 10:50:38 -0700
From: "Ulrich Drepper" <drepper@gmail.com>
To: "H. Peter Anvin" <hpa@zytor.com>
Subject: Re: O_CAREFUL flag to disable open() side effects
Cc: "Alan Cox" <alan@lxorguk.ukuu.org.uk>,
       "Pekka J Enberg" <penberg@cs.helsinki.fi>, linux-kernel@vger.kernel.org,
       linux-fsdevel@vger.kernel.org, akpm@osdl.org, viro@zeniv.linux.org.uk,
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On 7/27/06, H. Peter Anvin <hpa@zytor.com> wrote:
> Dumb thought: would it make sense to add an O_CAREFUL flag to open(), to
> disable side effects?

Not that I don't want to be constructive, but this is something you'll
likely never be able to specify with the needed level of accuray.
What is careful?  I can imagine all kinds ideas possible ways file
systems and device drivers might want to use this.

Adding a separate interface taking a file name isn't high enough a
price to open such a can of worms.