1 files changed, 0 insertions, 73 deletions
diff --git a/lib/btrfsprogs/btrfsinspect/rebuildnodes/uuidmap.go b/lib/btrfsprogs/btrfsinspect/rebuildnodes/uuidmap.go
index 7be903a..4d93916 100644
--- a/lib/btrfsprogs/btrfsinspect/rebuildnodes/uuidmap.go
+++ b/lib/btrfsprogs/btrfsinspect/rebuildnodes/uuidmap.go
@@ -5,12 +5,8 @@
 package rebuildnodes
 
 import (
-	"fmt"
-	"strings"
-
 	"git.lukeshu.com/btrfs-progs-ng/lib/btrfs/btrfsprim"
 	"git.lukeshu.com/btrfs-progs-ng/lib/containers"
-	"git.lukeshu.com/btrfs-progs-ng/lib/maps"
 )
 
 type uuidMap struct {
@@ -57,72 +53,3 @@ func (m uuidMap) ParentTree(tree btrfsprim.ObjID) (btrfsprim.ObjID, bool) {
 	}
 	return parentObjID, true
 }
-
-type fullAncestorLister struct {
-	uuidMap       uuidMap
-	treeAncestors map[btrfsprim.ObjID]containers.Set[btrfsprim.ObjID]
-
-	memos map[btrfsprim.ObjID]containers.Set[btrfsprim.ObjID]
-}
-
-func newFullAncestorLister(uuidMap uuidMap, treeAncestors map[btrfsprim.ObjID]containers.Set[btrfsprim.ObjID]) fullAncestorLister {
-	return fullAncestorLister{
-		uuidMap:       uuidMap,
-		treeAncestors: treeAncestors,
-		memos:         make(map[btrfsprim.ObjID]containers.Set[btrfsprim.ObjID]),
-	}
-}
-
-type loopError []btrfsprim.ObjID
-
-func (le loopError) Error() string {
-	var buf strings.Builder
-	buf.WriteString("loop: ")
-	for i, treeID := range le {
-		if i > 0 {
-			buf.WriteString("->")
-		}
-		fmt.Fprintf(&buf, "%d", treeID)
-	}
-	return buf.String()
-}
-
-func (fa fullAncestorLister) GetFullAncestors(child btrfsprim.ObjID) containers.Set[btrfsprim.ObjID] {
-	if memoized, ok := fa.memos[child]; ok {
-		if memoized == nil {
-			panic(loopError{child})
-		}
-		return memoized
-	}
-	fa.memos[child] = nil
-	defer func() {
-		if r := recover(); r != nil {
-			if le, ok := r.(loopError); ok {
-				r = append(loopError{child}, le...)
-			}
-			panic(r)
-		}
-	}()
-
-	ret := make(containers.Set[btrfsprim.ObjID])
-	defer func() {
-		fa.memos[child] = ret
-	}()
-
-	// Try to use '.uuidMap' instead of '.treeAncestors' if possible.
-	knownAncestors := make(containers.Set[btrfsprim.ObjID])
-	if parent, ok := fa.uuidMap.ParentTree(child); ok {
-		if parent == 0 {
-			return ret
-		}
-		knownAncestors.Insert(parent)
-	} else {
-		knownAncestors.InsertFrom(fa.treeAncestors[child])
-	}
-
-	for _, ancestor := range maps.SortedKeys(knownAncestors) {
-		ret.Insert(ancestor)
-		ret.InsertFrom(fa.GetFullAncestors(ancestor))
-	}
-	return ret
-}