Date: Mon, 17 Mar 2008 06:45:37 -0400
From: Christoph Hellwig <hch@infradead.org>
To: Alan Cox <alan@redhat.com>
Cc: Eric Paris <eparis@redhat.com>, linux-kernel@vger.kernel.org,
       aviro@redhat.com, drepper@redhat.com, hch@infradead.org,
       sds@tycho.nsa.gov, jmorris@namei.org, mtk.manpages@gmail.com
Subject: Re: [RFC] correct flags to f_mode conversion in __dentry_open
Message-ID: <20080317104537.GA32546@infradead.org>
References: <1205346327.5297.232.camel@localhost.localdomain> <20080315215952.GB18676@devserv.devel.redhat.com>
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On Sat, Mar 15, 2008 at 05:59:52PM -0400, Alan Cox wrote:
> > does 11 really mean and should it really always be mapped to (FMODE_READ
> > | FMODE_WRITE) or should it continue to get mapped to 'no permission?'
> 
> We've always mapped 3 to "no permission" to read or write. It's a linuxism

I've tripped over this recently aswell.  It would for sure be useful
to add a sumbolic O_FOO constant for this magic value '3' and document
it in the manpage.
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