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

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Message-Id: <200708050051.40758.ctpm@ist.utl.pt>
Date:	Sun, 5 Aug 2007 00:51:40 +0100
From:	Claudio Martins <ctpm@....utl.pt>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	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

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.

 Best regards

Claudio

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