linux-kernel - Re: [PATCH] fs: O_* bit numbers uniqueness check

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Message-ID: <20100106154814.GA5172@infradead.org>
Date:	Wed, 6 Jan 2010 10:48:14 -0500
From:	Christoph Hellwig <hch@...radead.org>
To:	Wu Fengguang <fengguang.wu@...el.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	David Miller <davem@...emloft.net>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	Al Viro <viro@...iv.linux.org.uk>,
	Christoph Hellwig <hch@...radead.org>,
	Eric Paris <eparis@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>,
	linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH] fs: O_* bit numbers uniqueness check

On Wed, Jan 06, 2010 at 02:55:26PM +0800, Wu Fengguang wrote:
> The O_* bit numbers are defined in 20+ arch/*, and hence can silently
> overlap. Add a boot time check to ensure the uniqueness as suggested
> by David Miller.

The right fix is to stop overlyaing the FMODE_ flags into the O_
namespace.  Al has been working towards this.

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