nfslockd(4)

nfslockd4

Nfs advisory locking

Usage

To compile this driver into the kernel, place the following lines in your kernel configuration file:

options NFSLOCKD

Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5):

nfslockd_load="YES"

Overview

The nfslockd driver provides kernel support for NFSv3 advisory locking. It works in tandem with rpc.lockd(8), which will normally load it on startup if it is not already loaded or compiled-in.

Releases

Unchanged in 9 releases since FreeBSD 13.4-RELEASE.

  1. 13.4–16.0

History

The nfslockd driver first appeared in FreeBSD 6.4.

Authors

The nfslockd driver was written by Doug Rabson ⟨[email protected]⟩.

From base 16.0-CURRENT-20261027-61c70dc16a79 in FreeBSD 16.0-CURRENT (2026-10-27). Parsed by carta from the page's mdoc source.