Index: uspace/srv/fs/cdfs/cdfs_ops.c
===================================================================
--- uspace/srv/fs/cdfs/cdfs_ops.c	(revision f9b2cb4cf365498e1fe141b1aa66950fbc3dcb17)
+++ uspace/srv/fs/cdfs/cdfs_ops.c	(revision 81dd2edaddd4f5ceb84c52eabccc844c4c1a5661)
@@ -1021,4 +1021,9 @@
 }
 
+static int cdfs_fsprobe(service_id_t service_id, vfs_fs_probe_info_t *info)
+{
+	return ENOTSUP;
+}
+
 static int cdfs_mounted(service_id_t service_id, const char *opts,
     fs_index_t *index, aoff64_t *size, unsigned int *lnkcnt)
@@ -1297,4 +1302,5 @@
 
 vfs_out_ops_t cdfs_ops = {
+	.fsprobe = cdfs_fsprobe,
 	.mounted = cdfs_mounted,
 	.unmounted = cdfs_unmounted,