From mboxrd@z Thu Jan  1 00:00:00 1970
From: Al Viro <viro@ZenIV.linux.org.uk>
Subject: Re: [PATCH 1/4] VFS: Add a VFS helper function
	vfs_remote_path_lookup()
Date: Thu, 2 Apr 2009 21:56:18 +0100
Message-ID: <20090402205618.GO28946@ZenIV.linux.org.uk>
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Cc: Linus Torvalds <torvalds@linux-foundation.org>,
	linux-fsdevel@vger.kernel.org
To: Trond Myklebust <Trond.Myklebust@netapp.com>
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On Thu, Apr 02, 2009 at 09:54:18PM +0100, Al Viro wrote:
> On Thu, Apr 02, 2009 at 04:45:30PM -0400, Trond Myklebust wrote:
> 
> > The NFS client is constructing the namespace as it walks the path using
> > the ->follow_link() trick to automount new filesystems. As long as we
> > can add a mount namespace argument to do_add_mount(), then we should be
> > able to make use of a namespace in struct nameidata.
> 
> *wince*
> Theoretically doable, practically can get ugly.

BTW, it's enough to tell it "take the namespace mountpoint belongs to",
if we really go that way.