This reverts commit f6a0dac84a. Reviewed-by: Matthew Ahrens <mahrens@delphix.com> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Mark Maybee <mark.maybee@delphix.com> Signed-off-by: Paul Dagnelie <pcd@delphix.com> Closes #12938
f6a0dac84a