From mboxrd@z Thu Jan  1 00:00:00 1970
From: Al Viro <viro@ZenIV.linux.org.uk>
Subject: Re: [PATCH 1/3] autofs4 - fix device ioctl mount lookup
Date: Wed, 4 Sep 2013 03:42:30 +0100
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Cc: Ian Kent <raven@themaw.net>,
	linux-fsdevel <linux-fsdevel@vger.kernel.org>,
	rui.xiang@huawei.com, autofs mailing list <autofs@vger.kernel.org>,
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On Wed, Sep 04, 2013 at 03:26:17AM +0100, Al Viro wrote:
> I've applied slightly modified variant of Jeff's "vfs: allow umount to handle
> mountpoints without revalidating them" (modified by just leaving the
> struct path filled with mountpoint and leaving the equivalent of follow_mount()
> to caller) to the local queue and I'm pretty sure that it's what we want
> here as well.

... and killed the modifications since the result ends up uglier for
caller(s) anyway.  Reapplied as-is.