Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761618AbYHIBWp (ORCPT ); Fri, 8 Aug 2008 21:22:45 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752897AbYHIBWc (ORCPT ); Fri, 8 Aug 2008 21:22:32 -0400 Received: from one.firstfloor.org ([213.235.205.2]:37712 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752590AbYHIBWb (ORCPT ); Fri, 8 Aug 2008 21:22:31 -0400 Date: Sat, 9 Aug 2008 03:23:22 +0200 From: Andi Kleen To: Theodore Tso , Andi Kleen , Chris Mason , Peter Zijlstra , linux-btrfs , linux-kernel , linux-fsdevel Subject: Re: Btrfs v0.16 released Message-ID: <20080809012322.GF9038@one.firstfloor.org> References: <1217962876.15342.33.camel@think.oraclecorp.com> <1218100464.8625.9.camel@twins> <1218105597.15342.189.camel@think.oraclecorp.com> <877ias66v4.fsf@basil.nowhere.org> <1218221293.15342.263.camel@think.oraclecorp.com> <20080808215625.GC9038@one.firstfloor.org> <20080809011905.GB9967@mit.edu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080809011905.GB9967@mit.edu> User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 606 Lines: 14 > In theory, if the elevator was smart enough, it could actually help > read seekiness; there are two copies of the metadata, and it shouldn't That assumes the elevator actually knows what is nearby? I thought that wasn't that easy with modern disks with multiple spindles and invisible remapping, not even talking about RAID arrays looking like disks. -Andi -- 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/