ZFS_IOC_POOL_TRIM
{ (uint_t)ZFS_IOC_POOL_TRIM, "ZFS_IOC_POOL_TRIM",
error = lzc_ioctl(ZFS_IOC_POOL_TRIM, poolname, args, errlist);
IOC_INPUT_TEST(ZFS_IOC_POOL_TRIM, pool, required, optional, EINVAL);
CHECK(ZFS_IOC_BASE + 79 == ZFS_IOC_POOL_TRIM);
zfs_ioctl_register("trim", ZFS_IOC_POOL_TRIM,