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Date: Thu, 5 Jan 2012 12:55:28 -0800
From: Tejun Heo <tj@kernel.org>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: "Ted Ts'o" <tytso@mit.edu>, Alan Stern <stern@rowland.harvard.edu>,
        Kernel development list <linux-kernel@vger.kernel.org>,
        Greg Kroah-Hartman <gregkh@suse.de>,
        Kay Sievers <kay.sievers@vrfy.org>
Subject: Re: Revoking filesystems [was Re: Sysfs attributes racing with
 unregistration]
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On Thu, Jan 05, 2012 at 12:43:11PM -0800, Eric W. Biederman wrote:
> That does require a notification from the block device going away
> to the filesystem.  Tejun is there an existing mechanism that we
> can plug into or do we need to implement something new?

Of course, udev.

Thanks.

-- 
tejun