static void iscsi_allocationmap_set(IscsiLun *iscsilun, int64_t sector_num, int nb_sectors) { int64_t cluster_num, nb_clusters; if (iscsilun->allocationmap == NULL) { return; } cluster_num = sector_num / iscsilun->cluster_sectors; nb_clusters = DIV_ROUND_UP(sector_num + nb_sectors, iscsilun->cluster_sectors) - cluster_num; bitmap_set(iscsilun->allocationmap, cluster_num, nb_clusters); }