ZFS_IOC_HOLD
{ (uint_t)ZFS_IOC_HOLD, "ZFS_IOC_HOLD",
error = lzc_ioctl(ZFS_IOC_HOLD, pool, args, errlist);
IOC_INPUT_TEST(ZFS_IOC_HOLD, pool, required, optional, 0);
CHECK(ZFS_IOC_BASE + 48 == ZFS_IOC_HOLD);
zfs_ioctl_register("hold", ZFS_IOC_HOLD,