linux-kernel - Re: [PATCH 12/13] sysfs: Propagate renames to the vfs on demand

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Date:	Sat, 07 Nov 2009 11:11:56 +0900
From:	Tejun Heo <tj@...nel.org>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
CC:	"Serge E. Hallyn" <serue@...ibm.com>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Kay Sievers <kay.sievers@...y.org>, Greg KH <greg@...ah.com>,
	linux-kernel@...r.kernel.org,
	Cornelia Huck <cornelia.huck@...ibm.com>,
	linux-fsdevel@...r.kernel.org,
	Eric Dumazet <eric.dumazet@...il.com>,
	Benjamin LaHaise <bcrl@...et.ca>,
	"Eric W. Biederman" <ebiederm@...stanetworks.com>
Subject: Re: [PATCH 12/13] sysfs: Propagate renames to the vfs on demand

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
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