Allow init to configure dm_verity kernel driver.
To disable hash-tree prefetching.
Bug: 136247322
Test: atest google/perf/boottime/boottime-test
Change-Id: Ibdcb88d1014f58918119867c6d701dc58af0c049
diff --git a/private/compat/29.0/29.0.ignore.cil b/private/compat/29.0/29.0.ignore.cil
index fe622bb..5f40e70 100644
--- a/private/compat/29.0/29.0.ignore.cil
+++ b/private/compat/29.0/29.0.ignore.cil
@@ -49,6 +49,7 @@
art_apex_dir
service_manager_service
soundtrigger_middleware_service
+ sysfs_dm_verity
system_group_file
system_jvmti_agent_prop
system_passwd_file
diff --git a/private/genfs_contexts b/private/genfs_contexts
index 5b956da..fa49dd9 100644
--- a/private/genfs_contexts
+++ b/private/genfs_contexts
@@ -145,6 +145,7 @@
genfscon sysfs /kernel/notes u:object_r:sysfs_kernel_notes:s0
genfscon sysfs /kernel/uevent_helper u:object_r:sysfs_usermodehelper:s0
genfscon sysfs /kernel/wakeup_reasons u:object_r:sysfs_wakeup_reasons:s0
+genfscon sysfs /module/dm_verity/parameters/prefetch_cluster u:object_r:sysfs_dm_verity:s0
genfscon sysfs /module/lowmemorykiller u:object_r:sysfs_lowmemorykiller:s0
genfscon sysfs /module/tcp_cubic/parameters u:object_r:sysfs_net:s0
genfscon sysfs /module/wlan/parameters/fwpath u:object_r:sysfs_wlan_fwpath:s0
diff --git a/public/file.te b/public/file.te
index 73ac226..71ff897 100644
--- a/public/file.te
+++ b/public/file.te
@@ -81,6 +81,7 @@
type sysfs_bluetooth_writable, fs_type, sysfs_type, mlstrustedobject;
type sysfs_devices_block, fs_type, sysfs_type;
type sysfs_dm, fs_type, sysfs_type;
+type sysfs_dm_verity, fs_type, sysfs_type;
type sysfs_dt_firmware_android, fs_type, sysfs_type;
type sysfs_extcon, fs_type, sysfs_type;
type sysfs_ion, fs_type, sysfs_type;
diff --git a/public/init.te b/public/init.te
index 56ed703..cc60b5a 100644
--- a/public/init.te
+++ b/public/init.te
@@ -381,6 +381,7 @@
# init access to /sys files.
allow init {
sysfs_android_usb
+ sysfs_dm_verity
sysfs_leds
sysfs_power
sysfs_fs_f2fs