From owner-cvs-all Thu Jan 29 08:04:54 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id IAA27765 for cvs-all-outgoing; Thu, 29 Jan 1998 08:04:54 -0800 (PST) (envelope-from owner-cvs-all@FreeBSD.ORG) Received: from pluto.plutotech.com (mail.plutotech.com [206.168.67.137]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id IAA27746; Thu, 29 Jan 1998 08:04:49 -0800 (PST) (envelope-from gibbs@plutotech.com) Received: from narnia.plutotech.com (narnia.plutotech.com [206.168.67.130]) by pluto.plutotech.com (8.8.7/8.8.5) with ESMTP id JAA05105; Thu, 29 Jan 1998 09:04:22 -0700 (MST) Message-Id: <199801291604.JAA05105@pluto.plutotech.com> X-Mailer: exmh version 2.0.1 12/23/97 To: Bruce Evans cc: mike@smith.net.au, cvs-all@FreeBSD.ORG, cvs-committers@FreeBSD.ORG, cvs-sys@FreeBSD.ORG Subject: Re: cvs commit: src/sys/i386/isa wfd.c In-reply-to: Your message of "Fri, 30 Jan 1998 02:44:28 +1100." <199801291544.CAA01875@godzilla.zeta.org.au> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Thu, 29 Jan 1998 09:01:50 -0700 From: "Justin T. Gibbs" Sender: owner-cvs-all@FreeBSD.ORG Precedence: bulk X-To-Unsubscribe: mail to majordomo@FreeBSD.org "unsubscribe cvs-all" >Some of them can only can only handle 16 scatter-gather segments, so >they can only handle transfer sizes <= 64K, which is currently MAXPHYS/2. >They are never asked to handle > 64K because filesystem block sizes are >limited to MAXBSIZE = 64K and raw i/o sizes are limited to DFLTPHYS = 64K. And may not be able to handle even 64k if the raw I/O is not page aligned. >Bruce -- Justin