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Date: Mon, 11 Jul 2016 18:40:25 -0700
From: Christoph Hellwig <hch@infradead.org>
To: David Chen <david.chen@osnexus.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>, lkml <linux-kernel@vger.kernel.org>,
        linux-fsdevel@vger.kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH] vfs: check i_count under lock in evict_inodes
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On Mon, Jul 11, 2016 at 06:31:57PM -0700, David Chen wrote:
> Hi Al,
> 
> I'm not sure about the in-tree fs, but in zfsonlinux, it would offload
> iput to a thread, so this would happen there. And it would wait for
> the thread in put_super(), so that part is not a problem...

And why exactly is your use of a broken and undistributable out of tree
module our problem?