tree 446b1635be9a30bd7bcf2542e0a97fdf528c75a3
parent ba2f85e02c6ec0ba47f1f50a0aa9f37c67adbad4
author Kees Cook <keescook@chromium.org> 1345586365 -0700
committer Kees Cook <keescook@chromium.org> 1345704374 -0700

Cherry-pick: mount-encrypted: explicitly use uint64_t for sizes

On very large HDDs, the sector count was wrapping around. Switch most
calculations to bytes using uint64_t, and use BLKGETSIZE64 for checking
the loopback device size.

BUG=chrome-os-partner:12705
TEST=parrot build, manual testing
STATUS=Fixed

Change-Id: I61fed0d498e04f0b224645883929288362e44302
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/31073
Reviewed-by: Elly Jones <ellyjones@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/31155
Reviewed-by: Jorge Lucangeli Obes <jorgelo@chromium.org>
Reviewed-by: Gaurav Shah <gauravsh@chromium.org>