Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 4 Mar 2003 09:09:21 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 4 Mar 2003 09:09:21 -0500 Received: from mx01.nexgo.de ([151.189.8.96]:6876 "EHLO mx01.nexgo.de") by vger.kernel.org with ESMTP id ; Tue, 4 Mar 2003 09:09:20 -0500 Content-Type: text/plain; charset=US-ASCII From: Daniel Phillips To: Jens Axboe , David Anderson Subject: Re: I/O Request [Elevator; Clustering; Scatter-Gather] Date: Tue, 4 Mar 2003 22:10:55 +0100 X-Mailer: KMail [version 1.3.2] Cc: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org References: <20030304133201.18619.qmail@mail.com> <20030304135000.GA29990@suse.de> In-Reply-To: <20030304135000.GA29990@suse.de> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Message-Id: <20030304141948.264C63BF9D@mx01.nexgo.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 684 Lines: 21 On Tuesday 04 March 2003 14:50, Jens Axboe wrote: > > Do Clustering of request and scatter-gather mean the same ?? Confused > > to the core... Kindly help me ... > > No, the elevator clustering refers to clustering request that are > contigious on disk. Scatter-gather may cluster sg entries that are > contigious in memory. Hi Jens, I think you meant to write *non*contiguous in memory (but contiguous on the device). Regards, Daniel - 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/