MAX_RAID_DEVICES
if (!__within_range(abs(value), 1, MAX_RAID_DEVICES - rt->minimal_devs)) {
#define DISKS_ARRAY_ELEMS ((MAX_RAID_DEVICES + (sizeof(uint64_t) * 8 - 1)) / sizeof(uint64_t) / 8)
if (!__within_range(num_raid_devs, 1, MAX_RAID_DEVICES)) {