From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Sun, 5 Aug 2007 16:17:09 +0200 From: =?utf-8?B?SsO2cm4=?= Engel Subject: Re: [PATCH 00/23] per device dirty throttling -v8 Message-ID: <20070805141708.GB25753@lazybastard.org> References: <46B4C0A8.1000902@garzik.org> <20070804191205.GA24723@lazybastard.org> <20070804192130.GA25346@elte.hu> <20070804211156.5f600d80@the-village.bc.nu> <20070804202830.GA4538@elte.hu> <20070804210351.GA9784@elte.hu> <20070804225121.5c7b66e0@the-village.bc.nu> <20070805072141.GA4414@elte.hu> <20070805085354.GC6002@1wt.eu> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20070805085354.GC6002@1wt.eu> Sender: owner-linux-mm@kvack.org Return-Path: To: Willy Tarreau Cc: Ingo Molnar , Alan Cox , J??rn Engel , Jeff Garzik , Linus Torvalds , Peter Zijlstra , linux-mm@kvack.org, Linux Kernel Mailing List , miklos@szeredi.hu, akpm@linux-foundation.org, neilb@suse.de, dgc@sgi.com, tomoki.sekiyama.qu@hitachi.com, nikita@clusterfs.com, trond.myklebust@fys.uio.no, yingchao.zhou@gmail.com, richard@rsk.demon.co.uk, david@lang.hm List-ID: On Sun, 5 August 2007 10:53:54 +0200, Willy Tarreau wrote: > On Sun, Aug 05, 2007 at 09:21:41AM +0200, Ingo Molnar wrote: > > > > btw., Mutt does not go boom, i use it myself. It works just fine and > > notices new mails even on a noatime,nodiratime filesystem. > > IIRC, atime is used by mailers and by the shell to detect that new > mail has arrived and report it only once if there are several intances > watching the same mbox. > > 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. For me mutt fails to recognize new mail. And the difference might be this: http://www.google.de/search?q=enable-buffy-size JA?rn -- Fancy algorithms are slow when n is small, and n is usually small. Fancy algorithms have big constants. Until you know that n is frequently going to be big, don't get fancy. -- Rob Pike -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org