Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1765022AbXHDR1T (ORCPT ); Sat, 4 Aug 2007 13:27:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1763936AbXHDR1K (ORCPT ); Sat, 4 Aug 2007 13:27:10 -0400 Received: from mail.clusterfs.com ([74.0.229.162]:48223 "EHLO mail.clusterfs.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1761273AbXHDR1J (ORCPT ); Sat, 4 Aug 2007 13:27:09 -0400 From: Nikita Danilov MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <18100.46804.731940.246225@gargle.gargle.HOWL> Date: Sat, 4 Aug 2007 21:26:44 +0400 To: Andrew Morton Cc: Linus Torvalds , Ingo Molnar , Peter Zijlstra , linux-mm@kvack.org, linux-kernel@vger.kernel.org, miklos@szeredi.hu, 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 Subject: Re: [PATCH 00/23] per device dirty throttling -v8 In-Reply-To: <20070804094119.81d8e533.akpm@linux-foundation.org> References: <20070803123712.987126000@chello.nl> <20070804063217.GA25069@elte.hu> <20070804070737.GA940@elte.hu> <20070804103347.GA1956@elte.hu> <20070804094119.81d8e533.akpm@linux-foundation.org> X-Mailer: VM 7.17 under 21.5 (patch 28) "fuki" XEmacs Lucid Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 681 Lines: 23 Andrew Morton writes: [...] > > It's pretty much unfixable given the ext3 journalling design, and the > guarantees which data-ordered provides. ZFS has intent log to handle this (http://blogs.sun.com/realneel/entry/the_zfs_intent_log). Something like that can --theoretically-- be added to ext3-style journalling. Nikita. > > The easy preventive is to mount with data=writeback. Maybe that should > have been the default. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/