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Date: Tue, 23 May 2017 00:40:19 -0700
From: Christoph Hellwig <hch@infradead.org>
To: Shaohua Li <shli@fb.com>
Cc: linux-kernel@vger.kernel.org, tj@kernel.org,
        gregkh@linuxfoundation.org, viro@zeniv.linux.org.uk,
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Subject: Re: [PATCH 5/5] kernfs: add exportfs operations
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On Mon, May 22, 2017 at 03:53:09PM -0700, Shaohua Li wrote:
> Now we have the facilities to implement exportfs operations.

But do we have a use case?  I'd rather avoid this..