Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932107AbWHWAHK (ORCPT ); Tue, 22 Aug 2006 20:07:10 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932115AbWHWAHJ (ORCPT ); Tue, 22 Aug 2006 20:07:09 -0400 Received: from rwcrmhc12.comcast.net ([204.127.192.82]:32138 "EHLO rwcrmhc12.comcast.net") by vger.kernel.org with ESMTP id S932107AbWHWAHI (ORCPT ); Tue, 22 Aug 2006 20:07:08 -0400 Message-ID: <44EB9C28.9030204@namesys.com> Date: Tue, 22 Aug 2006 17:07:04 -0700 From: Hans Reiser User-Agent: Thunderbird 1.5.0.5 (X11/20060719) MIME-Version: 1.0 To: Jeff Mahoney CC: David Masover , Andrew Morton , Linus Torvalds , Linux Kernel Mailing List , ReiserFS List , Mike Benoit Subject: Re: [PATCH] reiserfs: eliminate minimum window size for bitmap searching References: <44EB1484.2040502@suse.com> <44EB23D9.9000508@slaphack.com> <44EB28EC.50802@suse.com> In-Reply-To: <44EB28EC.50802@suse.com> X-Enigmail-Version: 0.94.1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 667 Lines: 17 Jeff Mahoney wrote: > > > Also, I think the bigalloc behavior just ultimately ends up introducing > even more fragmentation on an already fragmented file system. It'll keep > contiguous chunks together, but those chunks can end up being spread all > over the disk. > > -Jeff > Yes, and almost as important, it makes it difficult to understand and predict the allocator, which means other optimizations become harder to do. - 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/