diff --git a/src/add-ons/kernel/file_systems/udf/drive_setup_addon/udf-ds.cpp b/src/add-ons/kernel/file_systems/udf/drive_setup_addon/udf-ds.cpp
new file mode 100644
index 0000000000..a0c75dc79f
--- /dev/null
+++ b/src/add-ons/kernel/file_systems/udf/drive_setup_addon/udf-ds.cpp
@@ -0,0 +1,63 @@
+//----------------------------------------------------------------------
+//  This software is part of the OpenBeOS distribution and is covered 
+//  by the OpenBeOS license.
+//
+//  Copyright (c) 2003 Tyler Dauwalder, tyler@dauwalder.net
+//---------------------------------------------------------------------
+
+/*! \file DriveSetupAddon.cpp
+
+	\brief UDF DriveSetup add-on for R5.
+	
+	The interface implemented here is detailed in the Be Newsletter,
+	Volume II, Issue 23, "Getting Mounted". Thanks to Ingo Weinhold
+	for digging that up. :-)
+*/
+
+#include "UdfDebug.h"
+#include "Volume.h"
+
+struct partition_data {
+	char partition_name[B_FILE_NAME_LENGTH];
+	char partition_type[B_FILE_NAME_LENGTH];
+	char file_system_short_name[B_FILE_NAME_LENGTH];
+	char file_system_long_name[B_FILE_NAME_LENGTH];
+	char volume_name[B_FILE_NAME_LENGTH];
+	char mounted_at[B_FILE_NAME_LENGTH];
+	uint32 logical_block_size;
+	uint64 offset;	// in logical blocks from start of session
+	uint64 blocks;
+	bool hidden;	//"non-file system" partition
+	bool reserved1;
+	uint32 reserved2;
+};
+
+extern "C" bool ds_fs_id(partition_data*, int32, uint64, int32);
+
+bool
+ds_fs_id(partition_data *data, int32 device, uint64 sessionOffset,
+		 int32 blockSize)
+{
+	DEBUG_INIT_ETC(CF_HELPER, NULL, ("%p, %ld, %Lu, %ld", data,
+	               device, sessionOffset, blockSize));
+
+	if (!data || device < 0)
+		return false;
+
+	bool result = false;
+
+	char name[256];
+		// Udf volume names are at most 63 2-byte unicode chars, so 256 UTF-8
+		// chars should cover us.
+
+	status_t err = Udf::Volume::Identify(device, (data->offset + sessionOffset), data->blocks, blockSize, name);
+	if (!err) {
+		strcpy(data->file_system_short_name, "udf");
+		strcpy(data->file_system_long_name, "Universal Disk Format");
+		strcpy(data->volume_name, name);
+		result = true;
+	} 
+
+	return result;
+}
+