From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tejun Heo <tj@kernel.org>
Subject: Re: [PATCH 12/13] sysfs: Propagate renames to the vfs on demand
Date: Sat, 07 Nov 2009 11:11:56 +0900
Message-ID: <4AF4D76C.6090008@kernel.org>
References: <m13a4vbz8r.fsf@fess.ebiederm.org>	<1257249429-12384-12-git-send-email-ebiederm@xmission.com>	<20091104214938.GA21033@us.ibm.com> <m13a4ux86v.fsf@fess.ebiederm.org>
Mime-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit
Cc: "Serge E. Hallyn" <serue@us.ibm.com>,
	Greg Kroah-Hartman <gregkh@suse.de>,
	Kay Sievers <kay.sievers@vrfy.org>, Greg KH <greg@kroah.com>,
	linux-kernel@vger.kernel.org,
	Cornelia Huck <cornelia.huck@de.ibm.com>,
	linux-fsdevel@vger.kernel.org,
	Eric Dumazet <eric.dumazet@gmail.com>,
	Benjamin LaHaise <bcrl@lhnet.ca>,
	"Eric W. Biederman" <ebiederm@aristanetworks.com>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Return-path: <linux-fsdevel-owner@vger.kernel.org>
Received: from hera.kernel.org ([140.211.167.34]:42861 "EHLO hera.kernel.org"
	rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
	id S1755072AbZKGCMC (ORCPT <rfc822;linux-fsdevel@vger.kernel.org>);
	Fri, 6 Nov 2009 21:12:02 -0500
In-Reply-To: <m13a4ux86v.fsf@fess.ebiederm.org>
Sender: linux-fsdevel-owner@vger.kernel.org
List-ID: <linux-fsdevel.vger.kernel.org>

Hello,

Eric W. Biederman wrote:
> It isn't what I want but it is what the VFS requires.  If let the vfs
> continue on it's delusional state we will leak the vfs mount and
> everything mounted on top of it, with no way to remove the mounts.

This is caused by not having any way to prevent deletion on
directories with submounts, right?  How does other distributed
filesystems deal with directories with submounts going away underneath
it?

Thanks.

-- 
tejun