From owner-freebsd-fs Thu Sep 9 8:30:22 1999 Delivered-To: freebsd-fs@freebsd.org Received: from ns1.yes.no (ns1.yes.no [195.204.136.10]) by hub.freebsd.org (Postfix) with ESMTP id A085B160ED for ; Thu, 9 Sep 1999 08:29:24 -0700 (PDT) (envelope-from eivind@bitbox.follo.net) Received: from bitbox.follo.net (bitbox.follo.net [195.204.143.218]) by ns1.yes.no (8.9.1a/8.9.1) with ESMTP id RAA14584; Thu, 9 Sep 1999 17:29:20 +0200 (CEST) Received: (from eivind@localhost) by bitbox.follo.net (8.8.8/8.8.6) id RAA23830; Thu, 9 Sep 1999 17:28:51 +0200 (MET DST) Date: Thu, 9 Sep 1999 17:28:47 +0200 From: Eivind Eklund To: Soren Dayton Cc: freebsd-fs@FreeBSD.ORG Subject: Re: How much work to make nullfs work? Message-ID: <19990909172847.E23200@bitbox.follo.net> References: <86wvu14504.fsf@polo.overx.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.95.1i In-Reply-To: <86wvu14504.fsf@polo.overx.com>; from Soren Dayton on Wed, Sep 08, 1999 at 01:44:59PM -0500 Sender: owner-freebsd-fs@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org On Wed, Sep 08, 1999 at 01:44:59PM -0500, Soren Dayton wrote: > > Hi, > > I would really be interested in using a loopback mount. What sorts of > work would be involved in making this work? Quite a bit. I've started some of it, but have had very little time I've been able to dedicate to FreeBSD since ~christmas. > How/when did this get broken? The full breakage came With the VM system re-vamp right after 2.0. There are a bunch of lock bugs and similar which also create problems, but they're not quite as severe as that breakage (but this breakage is spread throughout the system, and needs quite a bit of work to clean up). I have patches for both fixing some of the major problems (VM object aliases, for instance), and for debugging the locks, and for some of the lock problems. Yell if you want them. McKusick also said he was going to start working on this when he came back from vacation, but I'm sure he'll appreciate help (e.g, fixing more of the lock bugs, which I'd like to do, but don't know when I'll have time to do more of :-( Eivind. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-fs" in the body of the message