linux-kernel - Re: [RFC] [PATCH v5 0/3] fadvise: support POSIX_FADV

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Message-ID: <1329257161.2340.1.camel@work-vm>
Date:	Tue, 14 Feb 2012 14:06:01 -0800
From:	John Stultz <john.stultz@...aro.org>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Andrea Righi <andrea@...terlinux.com>,
	Minchan Kim <minchan.kim@...il.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Johannes Weiner <jweiner@...hat.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Rik van Riel <riel@...hat.com>,
	Hugh Dickins <hughd@...gle.com>,
	Alexander Viro <viro@...iv.linux.org.uk>,
	Shaohua Li <shaohua.li@...el.com>,
	Pádraig Brady <P@...igBrady.com>,
	Jerry James <jamesjer@...terlinux.com>,
	Julius Plenz <julius@...nz.com>, linux-mm <linux-mm@...ck.org>,
	linux-fsdevel@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [RFC] [PATCH v5 0/3] fadvise: support POSIX_FADV_NOREUSE

On Tue, 2012-02-14 at 13:33 -0800, Andrew Morton wrote:
> On Sun, 12 Feb 2012 01:21:35 +0100
> Andrea Righi <andrea@...terlinux.com> wrote:
> 
> > The new proposal is to implement POSIX_FADV_NOREUSE as a way to perform a real
> > drop-behind policy where applications can mark certain intervals of a file as
> > FADV_NOREUSE before accessing the data.
> 
> I think you and John need to talk to each other, please.  The amount of
> duplication here is extraordinary.

Yea. Clearly there is much we can share. I'm still catching up from a
conference last week, so I've not had a chance to really look at this
yet, but its on my queue for this week.

thanks
-john


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