From owner-freebsd-current@FreeBSD.ORG Thu Aug 14 21:47:00 2003 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 8E1FB37B401 for ; Thu, 14 Aug 2003 21:47:00 -0700 (PDT) Received: from harmony.village.org (rover.bsdimp.com [204.144.255.66]) by mx1.FreeBSD.org (Postfix) with ESMTP id 9E7F243FB1 for ; Thu, 14 Aug 2003 21:46:59 -0700 (PDT) (envelope-from imp@bsdimp.com) Received: from localhost (warner@rover2.village.org [10.0.0.1]) by harmony.village.org (8.12.9/8.12.3) with ESMTP id h7F4kIFP024677; Thu, 14 Aug 2003 22:46:54 -0600 (MDT) (envelope-from imp@bsdimp.com) Date: Thu, 14 Aug 2003 22:43:23 -0600 (MDT) Message-Id: <20030814.224323.03703254.imp@bsdimp.com> To: doconnor@gsoft.com.au From: "M. Warner Losh" In-Reply-To: <200308150901.35745.doconnor@gsoft.com.au> References: <1060504397.777.15.camel@syrenna.deep-ocean.local> <20030814110113.4d238ddd.eaja@erols.com> <200308150901.35745.doconnor@gsoft.com.au> X-Mailer: Mew version 2.2 on Emacs 21.3 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit cc: eaja@erols.com cc: freebsd-current@freebsd.org Subject: Re: usbd does not use detach X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 15 Aug 2003 04:47:00 -0000 In message: <200308150901.35745.doconnor@gsoft.com.au> "Daniel O'Connor" writes: : It should also have a hint to indicate that this device could potentially go : away at any time, so it shouldn't cache anything if at all possible. : (Although it would be good if the user could elect to override this in the : interests of performance) : : I suspect that would require more significant changes though :) I suspect that this would be as hard to implement as dealing with things going away, and produce a system that is less desirable to use. Warner