From owner-freebsd-scsi Fri Jan 31 20:03:46 1997 Return-Path: Received: (from root@localhost) by freefall.freebsd.org (8.8.5/8.8.5) id UAA02588 for freebsd-scsi-outgoing; Fri, 31 Jan 1997 20:03:46 -0800 (PST) Received: from dyson.iquest.net (dyson.iquest.net [198.70.144.127]) by freefall.freebsd.org (8.8.5/8.8.5) with ESMTP id UAA02579; Fri, 31 Jan 1997 20:03:37 -0800 (PST) Received: (from root@localhost) by dyson.iquest.net (8.8.4/8.6.9) id XAA02913; Fri, 31 Jan 1997 23:03:27 -0500 (EST) From: "John S. Dyson" Message-Id: <199702010403.XAA02913@dyson.iquest.net> Subject: Re: XXXminpys question To: Shimon@i-Connect.Net (Simon Shapiro) Date: Fri, 31 Jan 1997 23:03:27 +73900 (EST) Cc: dyson@freebsd.org, freebsd-scsi@freebsd.org, joerg_wunsch@uriah.heep.sax.de, toor@dyson.iquest.net In-Reply-To: from "Simon Shapiro" at Jan 31, 97 11:24:09 am X-Mailer: ELM [version 2.4 PL24 ME8] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-scsi@freebsd.org X-Loop: FreeBSD.org Precedence: bulk > > > Hi John S. Dyson; On 31-Jan-97 you wrote: > > It will require some restructuring of the pbuf (physical I/O buffer) > > code, but isn't that bad to do. It has been in my queue for a while. > > If the driver-savvy people can work out a way to query the driver for > > the maximum I/O size, I can/will implement the upper level changes. > > > > John Dyson > > Is this not the purpose of the xxx_minphys entry point to the driver? > > Simon > Yes, except is that indeed the *right* way to do it? I am suggesting that we review that choice first. John