From owner-freebsd-hackers Sat Mar 13 16:58:34 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from allegro.lemis.com (allegro.lemis.com [192.109.197.134]) by hub.freebsd.org (Postfix) with ESMTP id 5AEAA14EAD for ; Sat, 13 Mar 1999 16:58:29 -0800 (PST) (envelope-from grog@freebie.lemis.com) Received: from freebie.lemis.com (freebie.lemis.com [192.109.197.137]) by allegro.lemis.com (8.9.1/8.9.0) with ESMTP id LAA01709; Sun, 14 Mar 1999 11:28:10 +1030 (CST) Received: (from grog@localhost) by freebie.lemis.com (8.9.3/8.9.0) id LAA10881; Sun, 14 Mar 1999 11:28:08 +1030 (CST) Message-ID: <19990314112807.K429@lemis.com> Date: Sun, 14 Mar 1999 11:28:07 +1030 From: Greg Lehey To: Mark Murray , hackers@FreeBSD.ORG Subject: Re: Randomness and vnodes References: <199903131704.TAA97969@greenpeace.grondar.za> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.93.2i In-Reply-To: <199903131704.TAA97969@greenpeace.grondar.za>; from Mark Murray on Sat, Mar 13, 1999 at 07:04:19PM +0200 WWW-Home-Page: http://www.lemis.com/~grog Organization: LEMIS, PO Box 460, Echunga SA 5153, Australia Phone: +61-8-8388-8286 Fax: +61-8-8388-8725 Mobile: +61-41-739-7062 Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Saturday, 13 March 1999 at 19:04:19 +0200, Mark Murray wrote: > Hi > > One for you filesystem types; of all the parts of a struct vnode, > which are the most dynamic? Which would be the most usable as > input for an entropy collector running in the namei cache? > > The ones I am most interested in are the simple types; pointers, > ints (short or long) or chars. Volatile would be good :-) Depends on how many bits you want. Most pointers will have the top 4 bits set and the bottom 2 bits cleared. Why do you want to use a vnode? Greg -- See complete headers for address, home page and phone numbers finger grog@lemis.com for PGP public key To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message