HAMMER2IOC_PFS_CREATE
if (ioctl(fd, HAMMER2IOC_PFS_CREATE, &pfs) < 0) {
case HAMMER2IOC_PFS_CREATE:
case HAMMER2IOC_PFS_CREATE:
h2_opt->ioctl_cmd = HAMMER2IOC_PFS_CREATE;
case HAMMER2IOC_PFS_CREATE: