From owner-freebsd-current Mon Dec 1 13:04:00 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id NAA17552 for current-outgoing; Mon, 1 Dec 1997 13:04:00 -0800 (PST) (envelope-from owner-freebsd-current) Received: from dyson.iquest.net (dyson.iquest.net [198.70.144.127]) by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id NAA17529 for ; Mon, 1 Dec 1997 13:03:48 -0800 (PST) (envelope-from toor@dyson.iquest.net) Received: (from root@localhost) by dyson.iquest.net (8.8.7/8.8.8) id QAA00930; Mon, 1 Dec 1997 16:03:09 -0500 (EST) (envelope-from toor) From: "John S. Dyson" Message-Id: <199712012103.QAA00930@dyson.iquest.net> Subject: Re: FYI: usage of new AIO calls In-Reply-To: <199712012057.NAA12418@mt.sri.com> from Nate Williams at "Dec 1, 97 01:57:54 pm" To: nate@mt.sri.com (Nate Williams) Date: Mon, 1 Dec 1997 16:03:09 -0500 (EST) Cc: toor@dyson.iquest.net, current@FreeBSD.ORG X-Mailer: ELM [version 2.4ME+ PL31 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-current@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk Nate Williams said: > > This code is NOT pretty, but does show example usage. The code will > > likely have problems on SMP kernels (unless you are writing to a VCHR > > device.) > > What is a VCHR device? You mention it quite a lot in the commit > messages, but I have no idea what it is, unless it's like a acronym > cross combining VHS and VCR. :) > RAW disk I/O is an example. -- John dyson@freebsd.org jdyson@nc.com