diff --git a/Utils.h b/Utils.h
index 54b8dd8..7cb4437 100644
--- a/Utils.h
+++ b/Utils.h
@@ -35,6 +35,7 @@
 namespace vold {
 
 static const char* kPropFuse = "persist.sys.fuse";
+static const char* kVoldAppDataIsolationEnabled = "persist.sys.vold_app_data_isolation_enabled";
 
 /* SELinux contexts used depending on the block device type */
 extern security_context_t sBlkidContext;
@@ -68,6 +69,9 @@
 /* Kills any processes using given path */
 status_t KillProcessesUsingPath(const std::string& path);
 
+/* Kills any processes using given mount prifix */
+status_t KillProcessesWithMountPrefix(const std::string& path);
+
 /* Creates bind mount from source to target */
 status_t BindMount(const std::string& source, const std::string& target);
 
@@ -119,6 +123,7 @@
 uint64_t GetTreeBytes(const std::string& path);
 
 bool IsFilesystemSupported(const std::string& fsType);
+bool IsFuseDaemon(const pid_t pid);
 
 /* Wipes contents of block device at given path */
 status_t WipeBlockDevice(const std::string& path);
@@ -142,6 +147,8 @@
 
 dev_t GetDevice(const std::string& path);
 
+status_t EnsureDirExists(const std::string& path, mode_t mode, uid_t uid, gid_t gid);
+
 status_t RestoreconRecursive(const std::string& path);
 
 // TODO: promote to android::base