ZFS_IOC_SPACE_SNAPS
{ (uint_t)ZFS_IOC_SPACE_SNAPS, "ZFS_IOC_SPACE_SNAPS",
err = lzc_ioctl(ZFS_IOC_SPACE_SNAPS, lastsnap, args, &result);
IOC_INPUT_TEST(ZFS_IOC_SPACE_SNAPS, snapshot, required, NULL, 0);
CHECK(ZFS_IOC_BASE + 58 == ZFS_IOC_SPACE_SNAPS);
zfs_ioctl_register("space_snaps", ZFS_IOC_SPACE_SNAPS,