{
if (buf->blocknr != btrfs_header_blocknr(&buf->node.header))
BUG();
- if (root->node && btrfs_header_parentid(&buf->node.header) !=
- btrfs_header_parentid(&root->node->node.header))
- BUG();
if (memcmp(root->fs_info->disk_super->fsid, buf->node.header.fsid,
sizeof(buf->node.header.fsid)))
BUG();