1 files changed, 0 insertions, 69 deletions
diff --git a/pkg/btrfs/io2_fs.go b/pkg/btrfs/io2_fs.go
index a74d4a3..bf19d4b 100644
--- a/pkg/btrfs/io2_fs.go
+++ b/pkg/btrfs/io2_fs.go
@@ -202,72 +202,3 @@ func (fs *FS) maybeShortReadAt(dat []byte, laddr LogicalAddr) (int, error) {
 	}
 	return len(dat), nil
 }
-
-func (fs *FS) ReadNode(addr LogicalAddr) (util.Ref[LogicalAddr, Node], error) {
-	var ret util.Ref[LogicalAddr, Node]
-
-	sb, err := fs.Superblock()
-	if err != nil {
-		return ret, err
-	}
-
-	nodeBuf := make([]byte, sb.Data.NodeSize)
-	if _, err := fs.ReadAt(nodeBuf, addr); err != nil {
-		return ret, err
-	}
-
-	var node Node
-	node.Size = sb.Data.NodeSize
-
-	if _, err := node.UnmarshalBinary(nodeBuf); err != nil {
-		return ret, fmt.Errorf("node@%d: %w", addr, err)
-	}
-
-	// sanity checking
-
-	if !node.Head.MetadataUUID.Equal(sb.Data.EffectiveMetadataUUID()) {
-		return ret, fmt.Errorf("node@%d: does not look like a node", addr)
-	}
-
-	if node.Head.Addr != addr {
-		return ret, fmt.Errorf("node@%d: read from laddr=%d but claims to be at laddr=%d",
-			addr, addr, node.Head.Addr)
-	}
-
-	stored := node.Head.Checksum
-	calced := CRC32c(nodeBuf[binstruct.StaticSize(CSum{}):])
-	if !calced.Equal(stored) {
-		return ret, fmt.Errorf("node@%d: checksum mismatch: stored=%s calculated=%s",
-			addr, stored, calced)
-	}
-
-	// return
-
-	return util.Ref[LogicalAddr, Node]{
-		File: fs,
-		Addr: addr,
-		Data: node,
-	}, nil
-}
-
-func (fs *FS) WalkTree(nodeAddr LogicalAddr, fn func(Key, []byte) error) error {
-	if nodeAddr == 0 {
-		return nil
-	}
-	node, err := fs.ReadNode(nodeAddr)
-	if err != nil {
-		return err
-	}
-	for _, item := range node.Data.BodyInternal {
-		// fn(item.Data.Key, TODO)
-		if err := fs.WalkTree(item.BlockPtr, fn); err != nil {
-			return err
-		}
-	}
-	for _, item := range node.Data.BodyLeaf {
-		if err := fn(item.Head.Key, item.Body); err != nil {
-			return err
-		}
-	}
-	return nil
-}