From 4173a4e034f989eceeaefc9aa583b0cd23b4cfb1 Mon Sep 17 00:00:00 2001
From: Luke Shumaker <lukeshu@lukeshu.com>
Date: Tue, 4 Oct 2022 23:31:14 -0600
Subject: fix broken tree paths

---
 lib/btrfsprogs/btrfsutil/broken_btree.go | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/lib/btrfsprogs/btrfsutil/broken_btree.go b/lib/btrfsprogs/btrfsutil/broken_btree.go
index 0fc42a5..8a72c74 100644
--- a/lib/btrfsprogs/btrfsutil/broken_btree.go
+++ b/lib/btrfsprogs/btrfsutil/broken_btree.go
@@ -8,6 +8,7 @@ import (
 	"context"
 	"fmt"
 	iofs "io/fs"
+	"math"
 	"sync"
 
 	"github.com/datawire/dlib/derror"
@@ -21,6 +22,12 @@ import (
 	"git.lukeshu.com/btrfs-progs-ng/lib/diskio"
 )
 
+var maxKey = btrfsprim.Key{
+	ObjectID: math.MaxUint64,
+	ItemType: math.MaxUint8,
+	Offset:   math.MaxUint64,
+}
+
 type treeIndex struct {
 	TreeRootErr error
 	Items       *containers.RBTree[btrfsprim.Key, treeIndexValue]
@@ -137,7 +144,7 @@ func (bt *brokenTrees) treeIndex(treeID btrfsprim.ObjID) treeIndex {
 					// indicates a bug in my item parser than a problem with the filesystem.
 					panic(fmt.Errorf("TODO: error parsing item: %w", err))
 				}
-				cacheEntry.Errors.Insert(err)
+				cacheEntry.Errors.Insert(err) // TODO
 			},
 			btrfstree.TreeWalkHandler{
 				Item: func(path btrfstree.TreePath, item btrfstree.Item) error {
@@ -150,7 +157,7 @@ func (bt *brokenTrees) treeIndex(treeID btrfsprim.ObjID) treeIndex {
 					cacheEntry.Items.Insert(treeIndexValue{
 						Key:      item.Key,
 						ItemSize: item.BodySize,
-						Path:     path.DeepCopy(),
+						Path:     path.DeepCopy(), // TODO
 					})
 					return nil
 				},
@@ -246,6 +253,7 @@ func (bt *brokenTrees) TreeWalk(ctx context.Context, treeID btrfsprim.ObjID, err
 		errHandle(&btrfstree.TreeError{
 			Path: btrfstree.TreePath{{
 				FromTree: treeID,
+				ToMaxKey: maxKey,
 			}},
 			Err: index.TreeRootErr,
 		})
-- 
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