linux-kernel - Re: [RFC][PATCH v2] readahead: introduce O_RANDOM_READ for POSIX_FADV

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Message-ID: <20100108130828.GA30480@infradead.org>
Date:	Fri, 8 Jan 2010 08:08:28 -0500
From:	Christoph Hellwig <hch@...radead.org>
To:	Wu Fengguang <fengguang.wu@...el.com>
Cc:	Andi Kleen <andi@...stfloor.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Quentin Barnes <qbarnes+nfs@...oo-inc.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
	Nick Piggin <npiggin@...e.de>,
	Steven Whitehouse <swhiteho@...hat.com>,
	David Howells <dhowells@...hat.com>,
	Al Viro <viro@...iv.linux.org.uk>,
	Jonathan Corbet <corbet@....net>,
	Christoph Hellwig <hch@...radead.org>
Subject: Re: [RFC][PATCH v2] readahead: introduce O_RANDOM_READ for
	POSIX_FADV_RANDOM

Just thinking about this again, why don't you put the flag into
file->f_mode and the FMODE_* namespace given that we don't want it to be
settable from open?

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