From a7b1d8653378bb114558a92737757c3fed6e34e2 Mon Sep 17 00:00:00 2001
From: vyzo <vyzo@hackzen.org>
Date: Fri, 18 Feb 2022 12:27:46 +0200
Subject: [PATCH] make cidset (in memory) visitors smarter; no need to ever
 visit unitary objects

---
 blockstore/splitstore/visitor.go | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/blockstore/splitstore/visitor.go b/blockstore/splitstore/visitor.go
index 9dfbb78e7..4a78f1db1 100644
--- a/blockstore/splitstore/visitor.go
+++ b/blockstore/splitstore/visitor.go
@@ -26,6 +26,10 @@ type tmpVisitor struct {
 var _ ObjectVisitor = (*tmpVisitor)(nil)
 
 func (v *tmpVisitor) Visit(c cid.Cid) (bool, error) {
+	if isUnitaryObject(c) {
+		return false, nil
+	}
+
 	return v.set.Visit(c), nil
 }
 
@@ -45,6 +49,10 @@ func newConcurrentVisitor() *concurrentVisitor {
 }
 
 func (v *concurrentVisitor) Visit(c cid.Cid) (bool, error) {
+	if isUnitaryObject(c) {
+		return false, nil
+	}
+
 	v.mx.Lock()
 	defer v.mx.Unlock()