Index: uspace/srv/fs/fat/Makefile
===================================================================
--- uspace/srv/fs/fat/Makefile	(revision 869e546b5cba8feb1640276da3963cca97942b52)
+++ uspace/srv/fs/fat/Makefile	(revision f5209056e979fbdfe341077cedd598173ff0370c)
@@ -45,5 +45,6 @@
 SOURCES = \
 	fat.c \
-	fat_ops.c
+	fat_ops.c \
+	fat_idx.c
 
 OBJECTS := $(addsuffix .o,$(basename $(SOURCES)))
Index: uspace/srv/fs/fat/fat.h
===================================================================
--- uspace/srv/fs/fat/fat.h	(revision 869e546b5cba8feb1640276da3963cca97942b52)
+++ uspace/srv/fs/fat/fat.h	(revision f5209056e979fbdfe341077cedd598173ff0370c)
@@ -215,4 +215,6 @@
 extern void fat_lookup(ipc_callid_t, ipc_call_t *);
 
+extern fat_idx_t *fat_idx_map(fat_cluster_t, unsigned);
+
 #endif
 
Index: uspace/srv/fs/fat/fat_idx.c
===================================================================
--- uspace/srv/fs/fat/fat_idx.c	(revision f5209056e979fbdfe341077cedd598173ff0370c)
+++ uspace/srv/fs/fat/fat_idx.c	(revision f5209056e979fbdfe341077cedd598173ff0370c)
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2008 Jakub Jermar
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/** @addtogroup fs
+ * @{
+ */ 
+
+/**
+ * @file	fat_idx.c
+ * @brief	Layer for translating FAT entities to VFS node indices.
+ */
+
+#include "fat.h"
+#include <errno.h>
+#include <string.h>
+#include <libadt/hash_table.h>
+#include <libadt/list.h>
+#include <assert.h>
+#include <futex.h>
+
+fat_idx_t *fat_idx_map(fat_cluster_t pfc, unsigned pdi)
+{
+	return NULL;	/* TODO */
+}
Index: uspace/srv/fs/fat/fat_ops.c
===================================================================
--- uspace/srv/fs/fat/fat_ops.c	(revision 869e546b5cba8feb1640276da3963cca97942b52)
+++ uspace/srv/fs/fat/fat_ops.c	(revision f5209056e979fbdfe341077cedd598173ff0370c)
@@ -111,9 +111,4 @@
 {
 	/* TODO */
-}
-
-static fat_idx_t *fat_idx_map(fat_cluster_t pfc, unsigned pdi)
-{
-	return NULL;	/* TODO */
 }