UPSTREAM: dm verity: add ignore_zero_blocks feature
authorSami Tolvanen <samitolvanen@google.com>
Thu, 3 Dec 2015 14:26:31 +0000 (14:26 +0000)
committerAmit Pundir <amit.pundir@linaro.org>
Thu, 7 Apr 2016 11:20:06 +0000 (16:50 +0530)
commit4cd7f1ecf798206533dfc11279c9264198e5c3bf
tree2947787d61d8fffeb5cbf7d647eaed915a72fbe9
parentd5fe9722ab2ef9ac6232164204d3b1d04d3ab75c
UPSTREAM: dm verity: add ignore_zero_blocks feature

If ignore_zero_blocks is enabled dm-verity will return zeroes for blocks
matching a zero hash without validating the content.

Change-Id: I728fa4b2586b29f2793ea5cb014289892819d249
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
(cherry picked from commit 0cc37c2df4fa0aa702f9662edce4b7ce12c86b7a)
Documentation/device-mapper/verity.txt
drivers/md/dm-verity-fec.c
drivers/md/dm-verity-target.c
drivers/md/dm-verity.h