Create a new MOUNT_EXTERNAL_LEGACY storage mode.
Apps that are already installed on the device before isolated_storage
feature is enabled will be granted MOUNT_EXTERNAL_LEGACY mode. In this
mode, /mnt/runtime/write will be mounted at /storage giving them same
level of access as in P.
A new mount directory /mnt/runtime/full is also created which will be
used for mounting at /storage for apps started with MOUNT_EXTERNAL_FULL
mode. This will allow apps with WRITE_MEDIA_STORAGE permission to
read/write anywhere on the secondary devices without needing to bypass
sdcardfs.
Bug: 121277410
Test: manual
Test: atest android.appsecurity.cts.ExternalStorageHostTest
Change-Id: Icc1ff9da35545692daedef7173d7c89290dd2766
diff --git a/binder/android/os/IVold.aidl b/binder/android/os/IVold.aidl
index fdccf00..425a36c 100644
--- a/binder/android/os/IVold.aidl
+++ b/binder/android/os/IVold.aidl
@@ -151,8 +151,9 @@
const int REMOUNT_MODE_DEFAULT = 1;
const int REMOUNT_MODE_READ = 2;
const int REMOUNT_MODE_WRITE = 3;
- const int REMOUNT_MODE_INSTALLER = 4;
- const int REMOUNT_MODE_FULL = 5;
+ const int REMOUNT_MODE_LEGACY = 4;
+ const int REMOUNT_MODE_INSTALLER = 5;
+ const int REMOUNT_MODE_FULL = 6;
const int VOLUME_STATE_UNMOUNTED = 0;
const int VOLUME_STATE_CHECKING = 1;