From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Sat, 4 Aug 2007 21:26:15 +0200 From: =?utf-8?B?SsO2cm4=?= Engel Subject: Re: [PATCH 00/23] per device dirty throttling -v8 Message-ID: <20070804192615.GA25600@lazybastard.org> References: <20070804063217.GA25069@elte.hu> <20070804070737.GA940@elte.hu> <20070804103347.GA1956@elte.hu> <20070804163733.GA31001@elte.hu> <46B4C0A8.1000902@garzik.org> <20070804191205.GA24723@lazybastard.org> <20070804192130.GA25346@elte.hu> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20070804192130.GA25346@elte.hu> Sender: owner-linux-mm@kvack.org Return-Path: To: Ingo Molnar Cc: =?utf-8?B?SsO2cm4=?= 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 Sat, 4 August 2007 21:21:30 +0200, Ingo Molnar wrote: > * JA?rn Engel 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. Given the choice between only "atime" and "noatime" I'd agree with you. Heck, I use it myself. But "relatime" seems to combine the best of both worlds. It currently just suffers from mount not supporting it in any relevant distro. JA?rn -- Joern's library part 2: http://www.art.net/~hopkins/Don/unix-haters/tirix/embarrassing-memo.html -- 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