VOP_ADVLOCK(9) on FreeBSD

The text 4b06e6f78540, as FreeBSD 5.5-RELEASE, FreeBSD 5.4-RELEASE, FreeBSD 5.3-RELEASE, FreeBSD 5.2.1-RELEASE, FreeBSD 5.2-RELEASE shipped it.

advisory record locking

VOP_ADVLOCK(9) on FreeBSD now