VOP_ADVLOCK(9) on FreeBSD

The text 77546ab3b4a6, as FreeBSD 2.2.8-RELEASE, FreeBSD 2.2.7-RELEASE, FreeBSD 2.2.6-RELEASE, FreeBSD 2.2.5-RELEASE, FreeBSD 2.2.2-RELEASE shipped it.

advisory record locking

VOP_ADVLOCK(9) on FreeBSD now