So, ZFS would be in the exact same situation as the NVidia driver - shim layer would be derived work, and the CDDL code wouldn't. It is dubious, sure, but then

So, ZFS would be in the exact same situation as the NVidia driver - shim layer would be derived work, and the CDDL code wouldn't. It is dubious, sure, but then the whole idea of GPL virality is.