As discussed on the 2019-01-07 OpenZFS Leadership Meeting, we need to be
clear about the limitations of `zfs change-key`. Changing the user key
does not change the master key, nor does it currently overwrite the old
wrapped master key on disk.
Reviewed-by: Tom Caputi <tcaputi@datto.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Matt Ahrens <matt@delphix.com>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Garrett Fields <ghfields@gmail.com>
Reviewed-by: Kjeld Schouten <kjeld@schouten-lebbing.nl>
Signed-off-by: Richard Laager <rlaager@wiktel.com>
Closes#9819
Richard Laager
f744f36ce5