tree 6fd73a0339dbb03a058a410efa71cad5b86f0664
parent 1b03920ca7d576c8400dd006ac1bbdecc1664231
author dhacker29 <dhackerdvm@gmail.com> 1421541753 -0500
committer Ethan Yonker <dees_troy@teamw.in> 1422897591 -0600

Allow wiping f2fs to reserve space for a crypto footer

We will convert a -16384 to 16384 if needed because mkfs.f2fs
does not like negative numbers like make_ext4fs does. Also enable
trim by default on f2fs.

Change-Id: I8b41e65d1ff894433665c65d0569a51803c67891