From owner-cvs-all Fri Aug 14 00:24:02 1998 Return-Path: Received: (from daemon@localhost) by hub.freebsd.org (8.8.8/8.8.8) id AAA10306 for cvs-all-outgoing; Fri, 14 Aug 1998 00:24:02 -0700 (PDT) (envelope-from owner-cvs-all) Received: from nlsystems.com (nlsys.demon.co.uk [158.152.125.33]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id AAA10230; Fri, 14 Aug 1998 00:23:33 -0700 (PDT) (envelope-from dfr@nlsystems.com) Received: from herring.nlsystems.com (herring.nlsystems.com [10.0.0.2]) by nlsystems.com (8.8.8/8.8.5) with SMTP id IAA07541; Fri, 14 Aug 1998 08:22:25 +0100 (BST) Date: Fri, 14 Aug 1998 08:22:24 +0100 (BST) From: Doug Rabson To: Bruce Evans cc: cvs-all@FreeBSD.org, cvs-committers@FreeBSD.org, dfr@FreeBSD.org Subject: Re: cvs commit: src/sys/kern subr_diskslice.c vfs_bio.c vfs_cluster.c src/sys/nfs nfs_vnops.c In-Reply-To: <199808131835.EAA16497@godzilla.zeta.org.au> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-cvs-all@FreeBSD.org X-Loop: FreeBSD.org Precedence: bulk On Fri, 14 Aug 1998, Bruce Evans wrote: > >You are probably right about v_flag needing protection but I have never > >seen problems that I can trace to v_flag. I got hangs due to v_numoutput > >corruption regularly. > > Perhaps because errors don't accumulate. > > Why doesn't NetBSD-alpha have problems with this? I'm assuming they did. I reviewed the NetBSD source code and they also protect v_numoutput with splbio(). -- Doug Rabson Mail: dfr@nlsystems.com Nonlinear Systems Ltd. Phone: +44 181 951 1891 Fax: +44 181 381 1039