static BlockStats *bdrv_query_stats(BlockBackend *blk, const BlockDriverState *bs, bool query_backing) { BlockStats *s; s = bdrv_query_bds_stats(bs, query_backing); if (blk) { s->has_device = true; s->device = g_strdup(blk_name(blk)); bdrv_query_blk_stats(s->stats, blk); } return s; }