Man pages matching name mount.lockfs in section 8:

mount.lockfs.8.en	debian 10 / bilibop-lockfs
mount.lockfs.8.fr	debian 10 / bilibop-lockfs
mount.lockfs.8.en	debian 11 / bilibop-lockfs
mount.lockfs.8.fr	debian 11 / bilibop-lockfs
mount.lockfs.8.en	debian 12 / bilibop-lockfs
mount.lockfs.8.fr	debian 12 / bilibop-lockfs