Tao Bao 2fd2c9bfd6 Zero out blocks that may be touched by dm-verity.
dm-verity may touch some blocks that are not in the care_map due to
block device read-ahead. It will fail if such blocks contain
non-zeroes. As a workaround, we mark them as extended blocks and
zero out explicitly to avoid dm-verity failures.

Bug: 20881595
Change-Id: I54e24e70ad822c0d6d7af43301f74d24505f4461
2015-07-10 12:16:56 -07:00
2015-01-12 17:21:01 -08:00
2014-07-22 17:42:35 -07:00
2015-06-26 15:54:10 -07:00
2015-06-12 20:02:25 +00:00
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