static int count_contiguous_free_clusters(uint64_t nb_clusters, uint64_t *l2_table) { int i; for (i = 0; i < nb_clusters; i++) { int type = qcow2_get_cluster_type(be64_to_cpu(l2_table[i])); if (type != QCOW2_CLUSTER_UNALLOCATED) { break; } } return i; }