From owner-freebsd-hackers@FreeBSD.ORG Fri Jun 10 00:09:29 2005 Return-Path: X-Original-To: hackers@freebsd.org Delivered-To: freebsd-hackers@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 7BDCE16A41C for ; Fri, 10 Jun 2005 00:09:29 +0000 (GMT) (envelope-from sdrhodus@gmail.com) Received: from wproxy.gmail.com (wproxy.gmail.com [64.233.184.207]) by mx1.FreeBSD.org (Postfix) with ESMTP id AA2E043D49 for ; Fri, 10 Jun 2005 00:09:28 +0000 (GMT) (envelope-from sdrhodus@gmail.com) Received: by wproxy.gmail.com with SMTP id 69so294814wri for ; Thu, 09 Jun 2005 17:09:28 -0700 (PDT) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:reply-to:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=HjWb4/CGGJNDRc9zm7vznkfUzJBU1bPlxxkrqT3+nDfy7SxVvmuhmqIhU2brn2EJPCF+Ym7xIKzehzwW+fnn4TljPCCJ68TZ/A2m+hgGBn4mSnJAPQdcx6AFXSfA7EEKQLMsrTciUYuLFpD0q/vbd3D2PgRjcr+9Fg7FExAsHkM= Received: by 10.54.118.7 with SMTP id q7mr709973wrc; Thu, 09 Jun 2005 17:09:28 -0700 (PDT) Received: by 10.54.25.9 with HTTP; Thu, 9 Jun 2005 17:09:28 -0700 (PDT) Message-ID: Date: Fri, 10 Jun 2005 00:09:28 +0000 From: David Rhodus To: Scott Long In-Reply-To: <42A718EF.30803@samsco.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline References: <42A475AB.6020808@fer.hr> <20050607194005.GG837@darkness.comp.waw.pl> <20050607201642.GA58346@walton.maths.tcd.ie> <42A6091C.40409@samsco.org> <42A6C311.5090400@fer.hr> <42A6FF04.706@samsco.org> <42A71464.8070705@fer.hr> <42A718EF.30803@samsco.org> X-Mailman-Approved-At: Fri, 10 Jun 2005 11:47:56 +0000 Cc: hackers@freebsd.org, scottl@freebsd.org, phk@freebsd.org, Ivan Voras Subject: Re: Google SoC idea X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: drhodus@machdep.com List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 10 Jun 2005 00:09:29 -0000 On 6/8/05, Scott Long wrote: > Ivan Voras wrote: > > Scott Long wrote: > > > >> Again, I'm not exactly sure how a generic mechanism can handle the > >> distinction of data vs. metadata vs. journal data. Also, what you > > > > > > I don't care about the distinction at this level - all data is treated > > equal. > > >=20 > But for journalling to work, you must care about the distinction. No, one does not have to concern oneself if the data block they are currently processing is data or metadata. That issue is completely dependent on the type of journaling implementation one is trying to achieve. --=20 -David Steven David Rhodus