From owner-cvs-sys Thu May 21 01:41:03 1998 Return-Path: Received: (from daemon@localhost) by hub.freebsd.org (8.8.8/8.8.8) id BAA26912 for cvs-sys-outgoing; Thu, 21 May 1998 01:41:03 -0700 (PDT) (envelope-from owner-cvs-sys) Received: from dyson.iquest.net (dyson.iquest.net [198.70.144.127]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id BAA26834; Thu, 21 May 1998 01:40:34 -0700 (PDT) (envelope-from toor@dyson.iquest.net) Received: (from root@localhost) by dyson.iquest.net (8.8.8/8.8.8) id DAA00800; Thu, 21 May 1998 03:40:26 -0500 (EST) (envelope-from toor) Message-Id: <199805210840.DAA00800@dyson.iquest.net> Subject: Re: cvs commit: src/sys/i386/i386 pmap.c src/sys/kern vfs_cluster.c src/sys/miscfs/specfs spec_vnops.c src/sys/vm vm_map In-Reply-To: from Julian Elischer at "May 21, 98 01:03:26 am" To: julian@whistle.com (Julian Elischer) Date: Thu, 21 May 1998 03:40:26 -0500 (EST) Cc: dyson@FreeBSD.ORG, cvs-committers@FreeBSD.ORG, cvs-all@FreeBSD.ORG, cvs-sys@FreeBSD.ORG From: "John S. Dyson" Reply-To: dyson@FreeBSD.ORG X-Mailer: ELM [version 2.4ME+ PL38 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-cvs-sys@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk Julian Elischer said: > > can you explain a bit more? > Yes... Basically, a FSYNC operation into a UFS with softdep filesystem doesn't guarantee I/O completion upon return. That really messes up some assumptions made in the VM code. My fixes fix that problem. -- John | Never try to teach a pig to sing, dyson@freebsd.org | it just makes you look stupid, jdyson@nc.com | and it irritates the pig.