Instead of creeping pnfs layout configuration into filesystems, move the
definition of block-based export operations under a more abstract
configuration.
Signed-off-by: NBenjamin Coddington <bcodding@redhat.com>
Reviewed-by: NChristoph Hellwig <hch@lst.de>
Acked-by: NDave Chinner <david@fromorbit.com>
Signed-off-by: NJ. Bruce Fields <bfields@redhat.com>