non-root user can not create zfs filesystem?

[lhmwzy]

Yes,that's is what I want to say.
In other word is the command "zfs allow" and "zfs unallow"
I think it is not "Support chflags(2)" which is described in at the bottom
 of http://wiki.freebsd.org/ZFS

2008/10/22 Pete French <petefrench at ticketswitch.com>:
>> Creating a filesystem is something that can only be done by root.  I'm
>> not sure what gave you the impression non-root users can do this...?
>
> He probably though that because it's possible in the current Solaris
> implementation of ZFS:
>
> http://blogs.sun.com/marks/entry/zfs_delegated_administration
>
> I thought this hadn't been ported, but taking a quick look at the bottom
> of http://wiki.freebsd.org/ZFS it appears it's now done, which is cool :)
>
> -pete.
>