G_RAID_SUBDISK_LOAD_SCALE
G_RAID_SUBDISK_LOAD_SCALE + tdisk->d_load * 7) / 8;
prio -= 2 * G_RAID_SUBDISK_LOAD_SCALE;
prio -= 1 * G_RAID_SUBDISK_LOAD_SCALE;
prio -= 2 * G_RAID_SUBDISK_LOAD_SCALE;
prio -= 1 * G_RAID_SUBDISK_LOAD_SCALE;