ZFS_IOC_LOG_HISTORY
{ (uint_t)ZFS_IOC_LOG_HISTORY, "ZFS_IOC_LOG_HISTORY",
err = ioctl(hdl->libzfs_fd, ZFS_IOC_LOG_HISTORY, &zc);
IOC_INPUT_TEST(ZFS_IOC_LOG_HISTORY, pool, required, NULL, 0);
CHECK(ZFS_IOC_BASE + 63 == ZFS_IOC_LOG_HISTORY);
zfs_ioctl_register("log_history", ZFS_IOC_LOG_HISTORY,