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

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Message-ID: <20070805125649.GB22060@elte.hu>
Date:	Sun, 5 Aug 2007 14:56:49 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	J??rn Engel <joern@...fs.org>, 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


* Alan Cox <alan@...rguk.ukuu.org.uk> wrote:

> > > we can move from atime to noatime by default on FC8 with 
> > > appropriate release note warnings and having a couple of betas to 
> > > find out what other than mutt goes boom.
> > 
> > btw., Mutt does not go boom, i use it myself. It works just fine and 
> > notices new mails even on a noatime,nodiratime filesystem.
> 
> Configuration dependant, and also mutt and the shell will misreport 
> new mail with noatime on the mail spool. The shell should probably use 
> inotify of course but that change has to be made.

just to quote from this same email thread:

| I too use mutt and noatime,nodiratime everywhere (same 10 year-old 
| thinko), and the only side effect is that when I have a new mail, it 
| is reported in all of my xterms until I read it, clearly something I 
| can live with (and sometimes it's even desirable).
|
| In fact, mutt is pretty good at this. It updates atime and ctime 
| itself as soon as it opens the mbox, so the shell is happy and only 
| reports "you have mail" afterwards.

	Ingo
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