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wipe: guarantee zeros after wipe out partitions
authorJaegeuk Kim <jaegeuk@google.com>
Wed, 13 Feb 2019 23:24:01 +0000 (15:24 -0800)
committerJaegeuk Kim <jaegeuk@google.com>
Thu, 14 Feb 2019 06:11:36 +0000 (22:11 -0800)
commita2df793a48e7aebc45ed8cc2ef487d30203c4c40
treedec1590dd3b1e37db9d7a0d4d44696abc3032cb5
parent03fcd4502b367ed3c975ecbb076bdc8309887ece
wipe: guarantee zeros after wipe out partitions

Stale data in the partition can bypass formatting by fs_mgr and cause filesystem
unmountable.

Bug: 122989894
Change-Id: Id2aa4baefeb8308ce14eeaa7790a1aab35e522aa
Signed-off-by: Jaegeuk Kim <jaegeuk@google.com>
ext4_utils/Android.bp
ext4_utils/wipe.cpp