I'm not sure how complete this is, but there's really not much to implementing a graphdriver backend: https://github.com/gurjeet/docker/tree/00cb68183447a43fd1

I'm not sure how complete this is, but there's really not much to implementing a graphdriver backend: https://github.com/gurjeet/docker/tree/00cb68183447a43fd1498ddde6977f8415b7f028/graphdriver/zfs https://github.com/gurjeet/docker/tree/00cb68183447a43fd1498...