From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jens Axboe Subject: Re: libata: clustering on or off? Date: Sun, 28 Aug 2005 17:09:34 +0200 Message-ID: <20050828150933.GV4018@suse.de> References: <20050828094218.GA29145@havoc.gtf.org> <1125224541.3219.13.camel@laptopd505.fenrus.org> <20050828142018.GS4018@suse.de> <20050828145806.GA22634@infradead.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from ns.virtualhost.dk ([195.184.98.160]:23974 "EHLO virtualhost.dk") by vger.kernel.org with ESMTP id S1751190AbVH1PJk (ORCPT ); Sun, 28 Aug 2005 11:09:40 -0400 Content-Disposition: inline In-Reply-To: <20050828145806.GA22634@infradead.org> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Christoph Hellwig Cc: Arjan van de Ven , Jeff Garzik , linux-scsi@vger.kernel.org, linux-ide@vger.kernel.org On Sun, Aug 28 2005, Christoph Hellwig wrote: > On Sun, Aug 28, 2005 at 04:20:19PM +0200, Jens Axboe wrote: > > Agree, we should just remove the ability to control clustering, as it > > really overlaps with the segment settings anyways. > > What are we going to do with iscsi then? It really doesn't like segments > over a pages size. Best thing would probably be to switch networking to > use sg lists and dma_map_sg, but that's not a trivial task. Limit the segment size, then. There are provisions for doing both length and boundary limits, that should suffice. -- Jens Axboe