From mboxrd@z Thu Jan  1 00:00:00 1970
From: Dave Hansen <dave@linux.vnet.ibm.com>
Subject: Re: [PATCH 01/11] sysfs: Support for preventing unmounts.
Date: Thu, 19 Jun 2008 09:32:11 -0700
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To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Tejun Heo <htejun@gmail.com>, Greg Kroah-Hartman <gregkh@suse.de>, linux-kernel@vger.kernel.org, Al Viro <viro@ftp.linux.org.uk>, Linux Containers <containers@lists.osdl.org>, Andrew Morton <akpm@linux-foundation.org>, Benjamin Thery <benjamin.thery@bull.net>
List-Id: containers.vger.kernel.org

On Wed, 2008-06-18 at 13:12 -0700, Eric W. Biederman wrote:
> 
> - The data in sysfs fundamentally changes behind the back of the
>   VFS and we need to keep the VFS in sync.  Essentially this is the
>   distributed filesystem problem.
> 
> - In particular for sysfs_rename and sysfs_move_dir we need to support
> finding
>   the dcache entries and calling d_move.  So that the dcache does not
>   get into an inconsistent state.  Timeouts and invalidates like NFS
>   uses are to be  avoided if at all possible.

Much clearer now, thanks!

Can we get this description into the changelog, pretty please?

-- Dave