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Date: Mon, 4 Jun 2018 01:49:04 -0700
From: Christoph Hellwig <hch@infradead.org>
To: Miklos Szeredi <mszeredi@redhat.com>
Cc: linux-unionfs@vger.kernel.org, linux-fsdevel@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH 07/39] vfs: export vfs_ioctl() to modules
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On Tue, May 29, 2018 at 04:43:07PM +0200, Miklos Szeredi wrote:
> This is needed by the stacked ioctl implementation in overlayfs.

EXPORT_SYMBOL_GPL for exporting random internals, please.  Same
for any following patches.