linux-kernel - Re: [PATCH 00/23] per device dirty throttling -v8

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Date:	Tue, 07 Aug 2007 17:20:39 -0400
From:	Bill Davidsen <davidsen@....com>
To:	Claudio Martins <ctpm@....utl.pt>
CC:	Alan Cox <alan@...rguk.ukuu.org.uk>, Jeff Garzik <jeff@...zik.org>,
	Ingo Molnar <mingo@...e.hu>,
	Jörn Engel <joern@...fs.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>, linux-mm@...ck.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	miklos@...redi.hu, akpm@...ux-foundation.org, neilb@...e.de,
	dgc@....com, tomoki.sekiyama.qu@...achi.com, nikita@...sterfs.com,
	trond.myklebust@....uio.no, yingchao.zhou@...il.com,
	richard@....demon.co.uk, david@...g.hm
Subject: Re: [PATCH 00/23] per device dirty throttling -v8

Claudio Martins wrote:
> On Saturday 04 August 2007, Alan Cox wrote:
>> Linux has never been a "suprise your kernel interfaces all just changed
>> today" kernel, nor a "gosh you upgraded and didn't notice your backups
>> broke" kernel.
>>
> 
>  Can you give examples of backup solutions that rely on atime being updated?
> I can understand backup tools using mtime/ctime for incremental backups (like 
> tar + Amanda, etc), but I'm having trouble figuring out why someone would 
> want to use atime for that.
> 
Programs which migrate unused files or delete them are the usual cases.

-- 
Bill Davidsen <davidsen@....com>
   "We have more to fear from the bungling of the incompetent than from
the machinations of the wicked."  - from Slashdot
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