.

wcfs/δbtail.go

@@ -314,6 +314,8 @@ func (δBtail *ΔBtail) Track(key Key, keyPresent bool, path []Node, flags Track
 		parent = oid
 	}
 
+	// track is track of path[-1]  (i.e. leaf)
+
 	// remember missing keys in track of leaf node (bucket or top-level ø tree)
 	if !keyPresent {
 		track.holes.Add(key)