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-rw-r--r--core/jni/com_android_internal_os_Zygote.cpp5
1 files changed, 5 insertions, 0 deletions
diff --git a/core/jni/com_android_internal_os_Zygote.cpp b/core/jni/com_android_internal_os_Zygote.cpp
index 924dc4b3a051..21985f0bb4bb 100644
--- a/core/jni/com_android_internal_os_Zygote.cpp
+++ b/core/jni/com_android_internal_os_Zygote.cpp
@@ -119,6 +119,7 @@ typedef const std::function<void(std::string)>& fail_fn_t;
static pid_t gSystemServerPid = 0;
+static constexpr const char* kVoldAppDataIsolation = "persist.sys.vold_app_data_isolation_enabled";
static constexpr const char* kPropFuse = "persist.sys.fuse";
static const char kZygoteClassName[] = "com/android/internal/os/Zygote";
static jclass gZygoteClass;
@@ -831,6 +832,7 @@ static void MountEmulatedStorage(uid_t uid, jint mount_mode,
multiuser_get_uid(user_id, AID_EVERYBODY), fail_fn);
bool isFuse = GetBoolProperty(kPropFuse, false);
+ bool isAppDataIsolationEnabled = GetBoolProperty(kVoldAppDataIsolation, false);
if (isFuse) {
if (mount_mode == MOUNT_EXTERNAL_PASS_THROUGH) {
@@ -840,6 +842,9 @@ static void MountEmulatedStorage(uid_t uid, jint mount_mode,
} else if (mount_mode == MOUNT_EXTERNAL_INSTALLER) {
const std::string installer_source = StringPrintf("/mnt/installer/%d", user_id);
BindMount(installer_source, "/storage", fail_fn);
+ } else if (isAppDataIsolationEnabled && mount_mode == MOUNT_EXTERNAL_ANDROID_WRITABLE) {
+ const std::string writable_source = StringPrintf("/mnt/androidwritable/%d", user_id);
+ BindMount(writable_source, "/storage", fail_fn);
} else {
BindMount(user_source, "/storage", fail_fn);
}