'mount an lv.
:param lv_name: name of the logical volume to mount
:type lv_name: ``str``
:param mount_point: path on the file system that is mounted.
:type mount_point: ``str``'

def _lvm_lv_mount(self, lv_name, mount_point):

    vg = self._get_lxc_vg()
    build_command = [self.module.get_bin_path('mount', True), ('/dev/%s/%s' % (vg, lv_name)), mount_point]
    (rc, stdout, err) = self._run_command(build_command)
    if (rc != 0):
        self.failure(err=err, rc=rc, msg=('failed    to    mountlvm    lv    %s/%s    to    %s' % (vg, lv_name, mount_point)))
