tree 59b6a357e63c725b7d6b9bd53e061083a26d166f
parent 031661d4a92c6b0db7b67fa3820a978d2ec0e9b2
author Jin Qian <jinqian@google.com> 1500917675 -0700
committer Jin Qian <jinqian@google.com> 1500999069 -0700

recovery: handle security footer before passing size to mke2fs

mke2fs doesn't take negative size as reserved size. If footer is
specified, compute fs size to be
(max partition size - reserved footer size) / block_size

Bug: 23686092
Bug: 63968011
Change-Id: Iac4e143bd26a70cfc81eb52a399d687e19b1049c