Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263615AbUC3LeF (ORCPT ); Tue, 30 Mar 2004 06:34:05 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263616AbUC3LeF (ORCPT ); Tue, 30 Mar 2004 06:34:05 -0500 Received: from ns.suse.de ([195.135.220.2]:5088 "EHLO Cantor.suse.de") by vger.kernel.org with ESMTP id S263615AbUC3LeB (ORCPT ); Tue, 30 Mar 2004 06:34:01 -0500 Date: Tue, 30 Mar 2004 10:13:01 +0200 From: Kurt Garloff To: Linux Kernel Subject: Re: [PATCH] speed up SATA Message-ID: <20040330081301.GA3820@tpkurt.garloff.de> Mail-Followup-To: Kurt Garloff , Linux Kernel References: <40670FDB.6080409@pobox.com> <20040328175436.GL24370@suse.de> <20040328180809.GB1087@mail.shareable.org> <20040328181502.GO24370@suse.de> <40671FAF.6080501@pobox.com> <20040329080943.GR24370@suse.de> <20040329124147.GC4984@mail.shareable.org> <20040329124421.GB24370@suse.de> <1080565536.3570.4.camel@laptop.fenrus.com> <20040329130850.GD24370@suse.de> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="45Z9DzgjV8m4Oswq" Content-Disposition: inline In-Reply-To: <20040329130850.GD24370@suse.de> X-Operating-System: Linux 2.6.4-3-KG i686 X-PGP-Info: on http://www.garloff.de/kurt/mykeys.pgp X-PGP-Key: 1024D/1C98774E, 1024R/CEFC9215 Organization: SUSE/Novell User-Agent: Mutt/1.5.6i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1179 Lines: 37 --45Z9DzgjV8m4Oswq Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Mar 29, 2004 at 03:08:50PM +0200, Jens Axboe wrote: > Indeed, it would be best to keep the read-ahead window at least a > multiple of the max read size. So you don't get the nasty effects of > having a 128k read-ahead window, but device with 255 sector limit > resulting in 124KB + 4KB read. Any work underway to implement this? Regards, --=20 Kurt Garloff Cologne, DE=20 SUSE LINUX AG, Nuernberg, DE SUSE Labs (Head) --45Z9DzgjV8m4Oswq Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.3 (GNU/Linux) iD8DBQFAaSwNxmLh6hyYd04RApgGAKDFfuNj+INa5S98k+Wrn1ZK91HDHwCfRslH C48Mrdz8sbXQMd8iR25ROY0= =4E/Z -----END PGP SIGNATURE----- --45Z9DzgjV8m4Oswq-- - 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/