From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262722AbUBZHn1 (ORCPT ); Thu, 26 Feb 2004 02:43:27 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262720AbUBZHn1 (ORCPT ); Thu, 26 Feb 2004 02:43:27 -0500 Received: from mx1.redhat.com ([66.187.233.31]:61886 "EHLO mx1.redhat.com") by vger.kernel.org with ESMTP id S262718AbUBZHnV (ORCPT ); Thu, 26 Feb 2004 02:43:21 -0500 Date: Thu, 26 Feb 2004 08:43:17 +0100 From: Arjan van de Ven To: "Mukker, Atul" Cc: "'Matt Domsch'" , "'Christoph Hellwig'" , "'James Bottomley'" , "'Paul Wagland'" , Matthew Wilcox , "'linux-kernel@vger.kernel.org'" , "'linux-scsi@vger.kernel.org'" Subject: Re: [SUBJECT CHANGE]: megaraid unified driver version 2.20.0.0-al pha1 Message-ID: <20040226074317.GC32246@devserv.devel.redhat.com> References: <0E3FA95632D6D047BA649F95DAB60E57033BC3EA@exa-atlanta.se.lsil.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="f+W+jCU1fRNres8c" Content-Disposition: inline In-Reply-To: <0E3FA95632D6D047BA649F95DAB60E57033BC3EA@exa-atlanta.se.lsil.com> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org --f+W+jCU1fRNres8c Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Wed, Feb 25, 2004 at 06:05:43PM -0500, Mukker, Atul wrote: > All, > > Thanks a lot for the valuable feedback. The general consensus is against a > single driver for different class of controllers. This would put a strain on > our applications, which expect all the controllers to be exported from > single driver's private ioctl interface. > > With multiple adapters, applications would need to open multiple handles. > This would somewhat complicate things for them. But keeping in line with > general expectations, we would fork the drivers for different class of > controllers now. How much private ioctls do you need actually ? I assume that for sending raw commands you use SG_IO already... BTW it would be really nice if the various raid controller drivers could come up with a joint common IOCTL api since it seems every raid controller driver right now has a largely overlapping but yet different set of ioctls. --f+W+jCU1fRNres8c Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (GNU/Linux) iD8DBQFAPaOUxULwo51rQBIRAuD/AJ4w3cY3Kn9DD9zhBeDJXqxOVQIYUgCdFt1t b7I7Noq/RjmuMcTrF9ZGtuo= =2WZf -----END PGP SIGNATURE----- --f+W+jCU1fRNres8c--