Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1764967AbZDAVDw (ORCPT ); Wed, 1 Apr 2009 17:03:52 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754040AbZDAVDl (ORCPT ); Wed, 1 Apr 2009 17:03:41 -0400 Received: from caffeine.csclub.uwaterloo.ca ([129.97.134.17]:34946 "EHLO caffeine.csclub.uwaterloo.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752480AbZDAVDk (ORCPT ); Wed, 1 Apr 2009 17:03:40 -0400 Date: Wed, 1 Apr 2009 17:03:38 -0400 To: Andrew Morton Cc: Linus Torvalds , Theodore Tso , David Rees , Jesper Krogh , Linux Kernel Mailing List Subject: Re: Linux 2.6.29 Message-ID: <20090401210337.GB3797@csclub.uwaterloo.ca> References: <72dbd3150903241200v38720ca0x392c381f295bdea@mail.gmail.com> <20090325183011.GN32307@mit.edu> <20090325220530.GR32307@mit.edu> <20090326171148.9bf8f1ec.akpm@linux-foundation.org> <20090326174704.cd36bf7b.akpm@linux-foundation.org> <20090326182519.d576d703.akpm@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20090326182519.d576d703.akpm@linux-foundation.org> User-Agent: Mutt/1.5.18 (2008-05-17) From: lsorense@csclub.uwaterloo.ca (Lennart Sorensen) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 822 Lines: 18 On Thu, Mar 26, 2009 at 06:25:19PM -0700, Andrew Morton wrote: > The JBD journal is a massive designed-in contention point. It's why > for several years I've been telling anyone who will listen that we need > a new fs. Hopefully our response to all these problems will soon be > "did you try btrfs?". Oh I look forward to the day when it will be safe to convert my mythtv box from ext3 to btrfs. Current kernels just have too much IO latency with ext3 it seems. Older kernels were more responsive, but probably had other places they were less efficient. -- Len Sorensen -- 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/