root> zpool --version
zfs-0.8.4-1
zfs-kmod-0.8.4-1
root> ll /.zfs/snapshot
total 0
drwxrwxrwx 2 root root 2 jun 15 08:48 ./
drwxrwxrwx 1 root root 0 jun 10 07:53 ../
root> cat /etc/yum.repos.d/zfs.repo
[zfs]
name=ZFS on Linux for Fedora $releasever
baseurl=http://download.zfsonlinux.org/fedora/$releasever /$basearch/
enabled=1
metadata_expire=7d
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-zfsonlinux
[zfs-source]
name=ZFS on Linux for Fedora $releasever - Source baseurl=http://download.zfsonlinux.org/fedora/$releasever/SRPMS/
enabled=0
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-zfsonlinux
But nevermind, this is something that was working since zfs as root was brought into FreeBSD (and we are talking about FreeBSD not ZoL), never had issues about it.
Are you using a distro supplied zfs (potentially old) or rolling something more bleeding edge?