From owner-freebsd-arch Thu Jul 27 16:18:59 2000 Delivered-To: freebsd-arch@freebsd.org Received: from mail.integratus.com (miami.integratus.com [63.209.2.83]) by hub.freebsd.org (Postfix) with SMTP id 33C9137C127 for ; Thu, 27 Jul 2000 16:18:57 -0700 (PDT) (envelope-from jar@integratus.com) Received: (qmail 8529 invoked from network); 27 Jul 2000 23:18:56 -0000 Received: from kungfu.integratus.com (HELO integratus.com) (172.20.5.168) by tortuga1.integratus.com with SMTP; 27 Jul 2000 23:18:56 -0000 Message-ID: <3980C360.BB897C3A@integratus.com> Date: Thu, 27 Jul 2000 16:18:56 -0700 From: Jack Rusher Organization: Integratus X-Mailer: Mozilla 4.73 [en] (X11; I; Linux 2.2.12 i386) X-Accept-Language: en MIME-Version: 1.0 To: Adrian Chadd Cc: freebsd-arch@freebsd.org Subject: Re: How much do we need the all-singing, all-dancing devfs? References: <397F5BD6.5104F1E4@integratus.com> <20000727094015.B71137@ywing.creative.net.au> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-arch@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Adrian Chadd wrote: > > Kind of. From my understanding of the way devices/VFS holds together, the > underlying devsw can't change while the machine is running, so your > (SCSI/IDE/Fibrechannel) device drivers and whatever disklabel layer you > use would have to keep the devsw mapping static. ...which strikes me as pretty lousy. New disks can come and go (especially if they are attached to a fabric). In fact, in a more general sense, a lot of things can be dynamically registered and deregistered using modern bus architectures. -- Jack Rusher, Senior Engineer | mailto:jar@integratus.com Integratus, Inc. | http://www.integratus.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message