From owner-freebsd-questions Tue May 2 17:21:44 2000 Delivered-To: freebsd-questions@freebsd.org Received: from fw.wintelcom.net (ns1.wintelcom.net [209.1.153.20]) by hub.freebsd.org (Postfix) with ESMTP id B1BD337BB4B for ; Tue, 2 May 2000 17:21:36 -0700 (PDT) (envelope-from bright@fw.wintelcom.net) Received: (from bright@localhost) by fw.wintelcom.net (8.10.0/8.10.0) id e430q0422324; Tue, 2 May 2000 17:52:00 -0700 (PDT) Date: Tue, 2 May 2000 17:52:00 -0700 From: Alfred Perlstein To: Charles Henrich Cc: freebsd-questions@FreeBSD.ORG Subject: Re: Bypassing disk buffers Message-ID: <20000502175159.D9246@fw.wintelcom.net> References: <20000502165517.A82222@sigbus.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 1.0.1i In-Reply-To: <20000502165517.A82222@sigbus.com>; from henrich@sigbus.com on Tue, May 02, 2000 at 04:55:17PM -0700 Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG * Charles Henrich [000502 17:26] wrote: > In FreeBSD how do you bypass the kernel buffers for file I/O (can you?). That > is, when I read a file I want it coming directly off disk, not out of memory, > even if I've just read it.. Afaik that's only possible with disk devices, not files themselves, you can open a disk charater device and read from it. -- -Alfred Perlstein - [bright@wintelcom.net|alfred@freebsd.org] "I have the heart of a child; I keep it in a jar on my desk." To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message