As part of the ARC inception review for ZFS crypto we were asked to 
follow up on PSARC/2006/370 which indicates that swap & dump will be 
done using a means other than a ZVOL.

Currently I have the ZFS crypto project allowing for ephemeral keys to 
support using a ZVOL as a swap device.

Since it seems that we won't be swapping on ZVOLS I need to find out 
more how we will be providing swap and dump space in a root pool.

I suspect that the best answer to encrypted swap is that we do it 
independently of which filesystem/device is being used as the swap 
device - ie do it inside the VM system.

-- 
Darren J Moffat
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