How to set secondary volume mount options?

# df -h
Filesystem                         Size  Used Avail Use% Mounted on
pool1/lxd/containers/backup   19G  404M   19G   3% /
none                               492K     0  492K   0% /dev
udev                               7.7G     0  7.7G   0% /dev/tty
tmpfs                              100K     0  100K   0% /dev/lxd
/dev/zd16p1                        196G   61M  186G   1% /data
/dev/sdc2                          117G   12G   99G  11% /dev/zd16p1
tmpfs                              100K     0  100K   0% /dev/.lxd-mounts
tmpfs                              7.7G     0  7.7G   0% /dev/shm
tmpfs                              7.7G  100K  7.7G   1% /run
tmpfs                              5.0M     0  5.0M   0% /run/lock
tmpfs                              7.7G     0  7.7G   0% /sys/fs/cgroup