From owner-cvs-all@FreeBSD.ORG  Wed Jun 18 11:35:18 2003
Return-Path: <owner-cvs-all@FreeBSD.ORG>
Delivered-To: cvs-all@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP
	id A1BEF37B401; Wed, 18 Jun 2003 11:35:18 -0700 (PDT)
Received: from HAL9000.homeunix.com (ip114.bella-vista.sfo.interquest.net
	[66.199.86.114])	by mx1.FreeBSD.org (Postfix) with ESMTP
	id 4806643FA3; Wed, 18 Jun 2003 11:35:15 -0700 (PDT)
	(envelope-from das@freebsd.org)
Received: from HAL9000.homeunix.com (localhost [127.0.0.1])
	by HAL9000.homeunix.com (8.12.9/8.12.9) with ESMTP id h5IIZDJa077197;
	Wed, 18 Jun 2003 11:35:13 -0700 (PDT)
	(envelope-from das@freebsd.org)
Received: (from das@localhost)
	by HAL9000.homeunix.com (8.12.9/8.12.9/Submit) id h5IIZBT0077196;
	Wed, 18 Jun 2003 11:35:11 -0700 (PDT)
	(envelope-from das@freebsd.org)
Date: Wed, 18 Jun 2003 11:35:11 -0700
From: David Schultz <das@freebsd.org>
To: Dmitry Morozovsky <marck@rinet.ru>
Message-ID: <20030618183511.GA77051@HAL9000.homeunix.com>
Mail-Followup-To: Dmitry Morozovsky <marck@rinet.ru>,
	src-committers@freebsd.org, cvs-src@freebsd.org, cvs-all@freebsd.org
References: <200306180755.h5I7tmTH057125@repoman.freebsd.org>
	<20030618131649.F64425@woozle.rinet.ru>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20030618131649.F64425@woozle.rinet.ru>
cc: cvs-src@freebsd.org
cc: src-committers@freebsd.org
cc: cvs-all@freebsd.org
Subject: Re: cvs commit: src/sys/miscfs/union union.h union_subr.c
	union_vnops.c
X-BeenThere: cvs-all@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: CVS commit messages for the entire tree <cvs-all.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/cvs-all>,
	<mailto:cvs-all-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/cvs-all>
List-Post: <mailto:cvs-all@freebsd.org>
List-Help: <mailto:cvs-all-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/cvs-all>,
	<mailto:cvs-all-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 18 Jun 2003 18:35:19 -0000

On Wed, Jun 18, 2003, Dmitry Morozovsky wrote:
> On Wed, 18 Jun 2003, David Schultz wrote:
> 
> DS> das         2003/06/18 00:55:47 PDT
> DS>
> DS>   FreeBSD src repository
> DS>
> DS>   Modified files:        (Branch: RELENG_4)
> DS>     sys/miscfs/union     union.h union_subr.c union_vnops.c
> DS>   Log:
> DS>   MFC:
> DS>   Fix memory leak
> DS>   Add union_dircache_free()
> DS>   Add malloc types M_UNDCACHE and M_UNPATH
> DS>   Fix panic when unionfs is mounted atop another unionfs, style
> 
> Thanks David!
> 
> Side question: is this patch compatible and/or superceeds Matt's patch for
> synthetic vnodes?
> 
> >Date:      Thu, 14 Nov 2002 11:29:26 -0800 (PST)
> >From:      Matthew Dillon <dillon@apollo.backplane.com>
> >To:        "Cameron Grant" <gandalf@vilnya.demon.co.uk>, freebsd-hackers@freebsd.org
> >Subject:   Patch #6 (Re: Shared files within a jail)
> 
> (long URL)
> http://groups.google.com/groups?selm=200211141929.gAEJTQcl067196_apollo.backplane.com%40ns.sol.net&oe=UTF-8&output=gplain

The patch you refer to is completely orthogonal.  It tries to
solve a much deeper and harder problem, but it isn't a complete
solution.  Getting device aliasing right requires more time and
VFS-fu than I have right now, but I'll try to look into it one of
these days.