flatten visualizenodes, comment out rebuildnodes

1 files changed, 25 insertions, 0 deletions

diff --git a/lib/btrfsprogs/btrfsinspect/rebuildnodes/treeancestors.go b/lib/btrfsprogs/btrfsinspect/rebuildnodes/treeancestors.go
new file mode 100644
index 0000000..2e1d856
--- /dev/null
+++ b/lib/btrfsprogs/btrfsinspect/rebuildnodes/treeancestors.go
@@ -0,0 +1,25 @@
+// Copyright (C) 2022  Luke Shumaker <lukeshu@lukeshu.com>
+//
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+package rebuildnodes
+
+import (
+	"git.lukeshu.com/btrfs-progs-ng/lib/btrfs/btrfsprim"
+	"git.lukeshu.com/btrfs-progs-ng/lib/containers"
+)
+
+func getTreeAncestors(scanData scanResult) map[btrfsprim.ObjID]containers.Set[btrfsprim.ObjID] {
+	treeAncestors := make(map[btrfsprim.ObjID]containers.Set[btrfsprim.ObjID])
+
+	for laddr, node := range scanData.Nodes {
+		if _, ok := treeAncestors[node.Owner]; !ok {
+			treeAncestors[node.Owner] = make(containers.Set[btrfsprim.ObjID])
+		}
+		for _, edge := range scanData.EdgesTo[laddr] {
+			treeAncestors[node.Owner].Insert(edge.FromTree)
+		}
+	}
+
+	return treeAncestors
+}