Illumos #3964 L2ARC should always compress metadata buffers
3964 L2ARC should always compress metadata buffers
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov>
References:
https://www.illumos.org/issues/3964
Ported-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #1379