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// Copyright (C) 2022 Luke Shumaker <lukeshu@lukeshu.com>
//
// SPDX-License-Identifier: GPL-2.0-or-later
package rebuildnodes
import (
"context"
//"github.com/datawire/dlib/dlog"
"git.lukeshu.com/btrfs-progs-ng/lib/btrfs/btrfsprim"
"git.lukeshu.com/btrfs-progs-ng/lib/containers"
)
func getTreeAncestors(ctx context.Context, 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] {
if edge.FromTree != node.Owner {
if err := checkNodeExpectations(*edge, node); err != nil {
//dlog.Errorf(ctx, "... ignoring keypointer %v because %v", edge.String(), err)
} else {
treeAncestors[node.Owner].Insert(edge.FromTree)
}
}
}
}
return treeAncestors
}
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