Index: contrib/arch/uspace/lib/libfs/fnc.libfs_lookup
===================================================================
--- contrib/arch/uspace/lib/libfs/fnc.libfs_lookup	(revision 1993f9a68ff3c23290d79db8b57db81b201848c4)
+++ contrib/arch/uspace/lib/libfs/fnc.libfs_lookup	(revision cf7b3e025e3db101a36b0419103a3b43b6675127)
@@ -1,1 +1,5 @@
-!fs.lookup*
+(
+	alternative fs tmpfs fat devfs {
+		!fs.lookup
+	}
+)*