From owner-cvs-all@FreeBSD.ORG  Tue Mar 29 10:21:56 2005
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 E773316A4CE; Tue, 29 Mar 2005 10:21:56 +0000 (GMT)
Received: from salmon.maths.tcd.ie (salmon.maths.tcd.ie [134.226.81.11])
	by mx1.FreeBSD.org (Postfix) with SMTP
	id 72C0A43D54; Tue, 29 Mar 2005 10:21:55 +0000 (GMT)
	(envelope-from dwmalone@maths.tcd.ie)
Received: from walton.maths.tcd.ie by salmon.maths.tcd.ie with SMTP
          id <aa32429@salmon>; 29 Mar 2005 11:21:54 +0100 (BST)
Date: Tue, 29 Mar 2005 11:21:54 +0100
From: David Malone <dwmalone@maths.tcd.ie>
To: Jeff Roberson <jeff@FreeBSD.org>
Message-ID: <20050329102154.GA20842@walton.maths.tcd.ie>
References: <200503290958.j2T9wfq0025519@repoman.freebsd.org>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <200503290958.j2T9wfq0025519@repoman.freebsd.org>
User-Agent: Mutt/1.5.6i
Sender: dwmalone@maths.tcd.ie
cc: cvs-src@FreeBSD.org
cc: src-committers@FreeBSD.org
cc: cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sys/kern vfs_cache.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: Tue, 29 Mar 2005 10:21:57 -0000

On Tue, Mar 29, 2005 at 09:58:41AM +0000, Jeff Roberson wrote:
>   Log:
>    - Invalidate the childrens v_dd pointers when we cache_purge() a directory.
>      Otherwise the stale pointer may be accessed after a vnode is freed.

I guess this has no impact on how likely we are to have a call to
realpath work because in the old version the generation number of
the vnode would have changed anyway?

	David.