From mboxrd@z Thu Jan  1 00:00:00 1970
From: Wu Fengguang <fengguang.wu@intel.com>
Subject: Re: [RFC][PATCH 2/2] readahead: avoid page-by-page reads on
	POSIX_FADV_RANDOM
Date: Thu, 31 Dec 2009 11:03:11 +0800
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Cc: Andrew Morton <akpm@linux-foundation.org>,
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On Thu, Dec 31, 2009 at 10:53:43AM +0800, Wu Fengguang wrote:

> So how about add a FMODE_HINT_RANDOM_READ bit to file->f_mode?
> Modifying it at fadvise() time at least won't disturb the existing
> open-time-modify-only f_mode bits..

Ah it seems file->f_flags (modified under f_lock) is ideal candidate :)

Thanks,
Fengguang