Add init support for dm-verity logging mode

Add a built-in command for loading verity state. If dm-verity
will be started in logging mode, trigger verity-logging.

Needs changes from
  Ibb82953594d234f81ad21c40f524190b88e4ac8f

Change-Id: I5af4918f2f14fdd4d07f51c55837e08111fd3748

1 files changed, 14 insertions, 0 deletions

diff --git a/init/builtins.cpp b/init/builtins.cpp
index 9f3dcc1..b4204d8 100644
--- a/init/builtins.cpp
+++ b/init/builtins.cpp
@@ -712,6 +712,20 @@ int do_sysclktz(int nargs, char **args)
     return 0;
 }
 
+int do_verity_load_state(int nargs, char **args) {
+    if (nargs == 1) {
+        int mode = -1;
+        int rc = fs_mgr_load_verity_state(&mode);
+
+        if (rc == 0 && mode == VERITY_MODE_LOGGING) {
+            action_for_each_trigger("verity-logging", action_add_queue_tail);
+        }
+
+        return rc;
+    }
+    return -1;
+}
+
 int do_write(int nargs, char **args)
 {
     const char *path = args[1];