From owner-freebsd-stable Thu Dec 7 23:54:46 2000 From owner-freebsd-stable@FreeBSD.ORG Thu Dec 7 23:54:44 2000 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from fw.wintelcom.net (ns1.wintelcom.net [209.1.153.20]) by hub.freebsd.org (Postfix) with ESMTP id 519F637B400 for ; Thu, 7 Dec 2000 23:54:44 -0800 (PST) Received: (from bright@localhost) by fw.wintelcom.net (8.10.0/8.10.0) id eB87seT05507; Thu, 7 Dec 2000 23:54:40 -0800 (PST) Date: Thu, 7 Dec 2000 23:54:40 -0800 From: Alfred Perlstein To: void Cc: stable@FreeBSD.ORG Subject: Re: soft-updates question Message-ID: <20001207235440.J16205@fw.wintelcom.net> References: <20001208073452.A31732@firedrake.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <20001208073452.A31732@firedrake.org>; from float@firedrake.org on Fri, Dec 08, 2000 at 07:34:52AM +0000 Sender: bright@fw.wintelcom.net Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG * void [001207 23:35] wrote: > When compiling a kernel, I am seeing synchronous writes on a filesystem > that's got soft-updates set. Two a second, six a second, zero a second > -- never a whole lot, but enough to make me wonder. > > How come? What are the conditions when a soft-updates filesystem writes > synchronously? It's described in the softupdates paper, see the readme files. One instance is shrinking a file but not down to zero bytes. -- -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-stable" in the body of the message