Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965032AbVITS0y (ORCPT ); Tue, 20 Sep 2005 14:26:54 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965057AbVITS0y (ORCPT ); Tue, 20 Sep 2005 14:26:54 -0400 Received: from moraine.clusterfs.com ([66.96.26.190]:4238 "EHLO moraine.clusterfs.com") by vger.kernel.org with ESMTP id S965032AbVITS0x (ORCPT ); Tue, 20 Sep 2005 14:26:53 -0400 From: Nikita Danilov MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <17200.21620.684685.966054@gargle.gargle.HOWL> Date: Tue, 20 Sep 2005 22:27:00 +0400 To: Hans Reiser Cc: Nick Piggin , Alan Cox , thenewme91@gmail.com, Christoph Hellwig , Denis Vlasenko , chriswhite@gentoo.org, LKML , ReiserFS List , Nate Diller Subject: Re: I request inclusion of reiser4 in the mainline kernel Newsgroups: gmane.linux.kernel,gmane.comp.file-systems.reiserfs.general In-Reply-To: <43304AF2.8080404@namesys.com> References: <200509201542.j8KFgh2q011730@laptop11.inf.utfsm.cl> <43304AF2.8080404@namesys.com> X-Mailer: VM 7.17 under 21.5 (patch 17) "chayote" (+CVS-20040321) XEmacs Lucid Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 767 Lines: 28 Hans Reiser writes: > Horst von Brand wrote: > > > > > > >Funny that the "texbook algorithms" aren't used in real life. Wonder why... > > > > > Try BSD. If the BSD book can be believed, they use"texbook algorithms". The "textbook" one-way elevator (as indeed exemplified by FreeBSD's src/sys/kern/subr_disk.c:bioq_disksort()) has well-known weaknesses. For example, dd if=/dev/zero of=FILE can easily monopolize device queue and starve accesses to the blocks with low block numbers. > > ;-) Nikita. - 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/