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

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Message-ID: <20070804192130.GA25346@elte.hu>
Date:	Sat, 4 Aug 2007 21:21:30 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Jörn Engel <joern@...fs.org>
Cc:	Jeff Garzik <jeff@...zik.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


* Jörn Engel <joern@...fs.org> wrote:

> > I actually vote for that.  IMO, distros should turn -on- atime 
> > updates when they know its needed.
> 
> If you mean "relatime" I concur.  "noatime" hurts mutt and others 
> while "relatime" has no known problems, afaics.

so ... one app can keep 30,000+ apps hostage?

i use Mutt myself, on such a filesystem:

   /dev/md0 on / type ext3 (rw,noatime,nodiratime,user_xattr)

and i can see no problems, it notices new mails just fine.

	Ingo
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