Several copyright holders have assigned their copyright to SFC, so SFC can act on their behalf. There is also at least one copyright holder that is unhappy about Canonical distributing ZFS with the kernel:<p><a href="https:&#x2F;&#x2F;twitter.com&#x2F;mjg59&#x2F;status&#x2F;700074164435091456" rel="nofollow">https:&#x2F;&#x2F;twitter.com&#x2F;mjg59&#x2F;status&#x2F;700074164435091456</a>