diff --git a/headers/private/kernel/ksyscalls.h b/headers/private/kernel/ksyscalls.h
index b3ea9fc62b..f809224718 100755
--- a/headers/private/kernel/ksyscalls.h
+++ b/headers/private/kernel/ksyscalls.h
@@ -150,7 +150,8 @@ enum {
 	SYSCALL_SET_REAL_TIME_CLOCK,
 	SYSCALL_DEBUG_OUTPUT,
 	SYSCALL_GET_SYSTEM_INFO,		/* 140 */
-	SYSCALL_RENAME_THREAD
+	SYSCALL_RENAME_THREAD,
+	SYSCALL_DIR_NODE_REF_TO_PATH,
 };
 
 int syscall_dispatcher(unsigned long call_num, void *arg_buffer, uint64 *call_ret);
diff --git a/headers/private/kernel/syscalls.h b/headers/private/kernel/syscalls.h
index 4931e183b4..fe1a2f2404 100644
--- a/headers/private/kernel/syscalls.h
+++ b/headers/private/kernel/syscalls.h
@@ -85,6 +85,7 @@ extern status_t		_kern_unmount(const char *path);
 extern status_t		_kern_read_fs_info(dev_t device, struct fs_info *info);
 extern status_t		_kern_write_fs_info(dev_t device, const struct fs_info *info, int mask);
 extern status_t		_kern_sync(void);
+extern status_t		_kern_dir_node_ref_to_path(dev_t device, ino_t inode, char *userPath, size_t pathLength);
 extern int			_kern_open_entry_ref(dev_t device, ino_t inode, const char *name, int omode);
 extern int			_kern_open(const char *path, int omode);
 extern int			_kern_open_dir_node_ref(dev_t device, ino_t inode);
diff --git a/headers/private/kernel/vfs.h b/headers/private/kernel/vfs.h
index 5caac0ef4c..4ce7f6d3a0 100755
--- a/headers/private/kernel/vfs.h
+++ b/headers/private/kernel/vfs.h
@@ -89,6 +89,7 @@ status_t _user_unmount(const char *path);
 status_t _user_read_fs_info(dev_t device, struct fs_info *info);
 status_t _user_write_fs_info(dev_t device, const struct fs_info *info, int mask);
 status_t _user_sync(void);
+status_t _user_dir_node_ref_to_path(dev_t device, ino_t inode, char *userPath, size_t pathLength);
 int _user_open_entry_ref(dev_t device, ino_t inode, const char *name, int omode);
 int _user_open(const char *path, int omode);
 int _user_open_dir_node_ref(dev_t device, ino_t inode);