memset(&bpart, sizeof(struct blkpg_partition), 0);
memset(&barg, sizeof(struct blkpg_ioctl_arg), 0);
barg.data = &bpart;
memset(&bpart, sizeof(struct blkpg_partition), 0);
memset(&barg, sizeof(struct blkpg_ioctl_arg), 0);
barg.data = &bpart;
invalidate_partition(device->gdp, 0);
/* Matching blkdev_put to the blkdev_get in dasd_scan_partitions. */
invalidate_partition(device->gdp, 0);
/* Matching blkdev_put to the blkdev_get in dasd_scan_partitions. */