.

wcfs/wcfs.go

@@ -2131,8 +2131,9 @@ func main() {
 	if kinit.Flags & fuse.CAP_EXPLICIT_INVAL_DATA == 0 {
 		w1 := fmt.Sprintf("%s does not support explicit data cache invalidation", kfuse)
 		w2 := "-> performance will be AWFUL."
-		log.Error(w1); log.Error(w2)
-		fmt.Fprintf(os.Stderr, "W: wcfs: %s\nW: wcfs: %s\n", w1, w2)
+		w3 := "-> you need kernel which includes git.kernel.org/linus/ad2ba64dd489 ."
+		log.Error(w1); log.Error(w2); log.Error(w3)
+		fmt.Fprintf(os.Stderr, "W: wcfs: %s\nW: wcfs: %s\nW: wcfs: %s\n", w1, w2, w3)
 	}
 
 	// add entries to /