From owner-freebsd-hackers Tue Dec 4 6: 7:42 2001 Delivered-To: freebsd-hackers@freebsd.org Received: from salmon.maths.tcd.ie (salmon.maths.tcd.ie [134.226.81.11]) by hub.freebsd.org (Postfix) with SMTP id 8B4A437B405 for ; Tue, 4 Dec 2001 06:07:39 -0800 (PST) Received: from walton.maths.tcd.ie by salmon.maths.tcd.ie with SMTP id ; 4 Dec 2001 14:07:38 +0000 (GMT) Date: Tue, 4 Dec 2001 14:07:38 +0000 From: David Malone To: Dragon Fire Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: block devices Message-ID: <20011204140738.A30798@walton.maths.tcd.ie> References: <005501c17cc4$c770d7a0$037d6041@gandalf> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <005501c17cc4$c770d7a0$037d6041@gandalf>; from dragonfire820@mediaone.net on Tue, Dec 04, 2001 at 08:08:34AM -0500 Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Tue, Dec 04, 2001 at 08:08:34AM -0500, Dragon Fire wrote: > I was trolling around the FreeBSD kernel source and the dev directory and > noticed there is no bdevsw structure and no block driver files. Is > everything implemented in terms of character devices now? Looks like all the > support for block devices is contained in the cdevsw struct. Since no userland programs ever really had a good excuse for accessing block devices they have been retired from /dev. Block devices still exist, but are only accessable within the kernel. David. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message