android-mainline/ANDROID-dm-enable-may_passthrough_inline_crypto-on-some-targets.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Eric Biggers <ebiggers@google.com>
Date: Tue, 21 Jan 2020 16:43:41 -0800
Subject: ANDROID: dm: enable may_passthrough_inline_crypto on some targets

dm-linear obviously can pass through inline crypto support.

In addition, we need dm-bow to pass through inline crypto support, as
the userdata partition in Android may be located on top of dm-bow.

Bug: 137270441
Change-Id: Ib9b0f67b77391fa450394568ceed441c1508de6e
Signed-off-by: Eric Biggers <ebiggers@google.com>
---
 drivers/md/dm-bow.c    | 1 +
 drivers/md/dm-linear.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/md/dm-bow.c b/drivers/md/dm-bow.c
--- a/drivers/md/dm-bow.c
+++ b/drivers/md/dm-bow.c
@@ -787,6 +787,7 @@ static int dm_bow_ctr(struct dm_target *ti, unsigned int argc, char **argv)
 	rb_insert_color(&br->node, &bc->ranges);
 
 	ti->discards_supported = true;
+	ti->may_passthrough_inline_crypto = true;
 
 	return 0;
 
diff --git a/drivers/md/dm-linear.c b/drivers/md/dm-linear.c
--- a/drivers/md/dm-linear.c
+++ b/drivers/md/dm-linear.c
@@ -62,6 +62,7 @@ static int linear_ctr(struct dm_target *ti, unsigned int argc, char **argv)
 	ti->num_secure_erase_bios = 1;
 	ti->num_write_same_bios = 1;
 	ti->num_write_zeroes_bios = 1;
+	ti->may_passthrough_inline_crypto = true;
 	ti->private = lc;
 	return 0;