Index: uspace/lib/ext2/libext2_superblock.c
===================================================================
--- uspace/lib/ext2/libext2_superblock.c	(revision 82a3b31fadb5fab16e1ccb42fffae5ec8192d9f8)
+++ uspace/lib/ext2/libext2_superblock.c	(revision 4093b1457cc470b9d70527e5ea6f6dbf5b1bdcdc)
@@ -321,10 +321,10 @@
 /** Read a superblock directly from device (i.e. no libblock cache)
  * 
- * @param devmap_handle	Device handle of the block device.
+ * @param service_id	Service ID of the block device.
  * @param superblock	Pointer where to store pointer to new superblock
  * 
  * @return		EOK on success or negative error code on failure.
  */
-int ext2_superblock_read_direct(devmap_handle_t devmap_handle,
+int ext2_superblock_read_direct(service_id_t service_id,
     ext2_superblock_t **superblock)
 {
@@ -337,5 +337,5 @@
 	}
 	
-	rc = block_read_bytes_direct(devmap_handle, EXT2_SUPERBLOCK_OFFSET,
+	rc = block_read_bytes_direct(service_id, EXT2_SUPERBLOCK_OFFSET,
 	    EXT2_SUPERBLOCK_SIZE, data);
 	if (rc != EOK) {