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Date: Tue, 15 Mar 2016 00:29:12 -0700
From: Christoph Hellwig <hch@infradead.org>
To: Bob Peterson <rpeterso@redhat.com>
Cc: linux-fsdevel@vger.kernel.org, Jan Kara <jack@suse.cz>,
	Al Viro <viro@ZenIV.linux.org.uk>,
	Dave Chinner <david@fromorbit.com>,
	Christoph Hellwig <hch@infradead.org>
Subject: Re: [vfs PATCH v3 1/4] VFS: move iomap from exportfs.h to iomap.h
Message-ID: <20160315072912.GE11669@infradead.org>
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On Fri, Mar 04, 2016 at 03:11:37PM -0500, Bob Peterson wrote:
> This patch moves the iomap declares from its current location in
> exportfs.h to a new iomap.h. This will facilitate future improvements
> such as a more efficient fiemap for holey files. Hopefully it will
> one day be used for multipage writes as well.

Still not a plain move.  This adds the fspriv member, but also reduces
the size of length which will probably break pnfs exporting in some
cases.

I have done a plain move in this series:
http://thread.gmane.org/gmane.comp.file-systems.xfs.general/73804

might make sense to grab this for both possible tree that could be used
for the infrastructure.