ds_file->metadata = ctf_fs_trace->metadata;
g_string_assign(ds_file->file->path, path);
ret = ctf_fs_file_open(ds_file->file, "rb");
ds_file->metadata = ctf_fs_trace->metadata;
g_string_assign(ds_file->file->path, path);
ret = ctf_fs_file_open(ds_file->file, "rb");