ZFS_IOC_SPACE_WRITTEN
{ (uint_t)ZFS_IOC_SPACE_WRITTEN, "ZFS_IOC_SPACE_WRITTEN",
err = ioctl(zhp->zfs_hdl->libzfs_fd, ZFS_IOC_SPACE_WRITTEN, &zc);
ZFS_IOC_SPACE_WRITTEN,
CHECK(ZFS_IOC_BASE + 57 == ZFS_IOC_SPACE_WRITTEN);
zfs_ioctl_register_dataset_read(ZFS_IOC_SPACE_WRITTEN,