DISK_RR_NON_ROTATING
part->disk->d_rotation_rate = DISK_RR_NON_ROTATING;
disk->d_rotation_rate = DISK_RR_NON_ROTATING;
d->d_rotation_rate = DISK_RR_NON_ROTATING;
disk->d_rotation_rate = DISK_RR_NON_ROTATING;
else if (dp->d_rotation_rate == DISK_RR_NON_ROTATING)
else if (arg.value.u16 == DISK_RR_NON_ROTATING)