When I found myself with a large garlic harvest (I'd never grown it before, so I went overboard), I separated it into peeled cloves, then split the bounty in half. Half was left unsmoked, the other half I cold smoked, with hickory. They were then put in separate labelled containers and stored in the freezer.
That was a couple of years back. The smoked garlic has long gone, but I still am using the unsmoked garlic from the freezer. It practically turns to paste in the pan, but the flavour is still good.