From eeef7952c3836dd1eb5e994695d5c745b6b51784 Mon Sep 17 00:00:00 2001
From: wollman <wollman@FreeBSD.org>
Date: Thu, 22 Sep 1994 22:17:02 +0000
Subject: Automatically load NFS and a bevy of other filesystems.

---
 usr.sbin/nfsd/nfsd.8 | 18 ++++++++++++++++++
 usr.sbin/nfsd/nfsd.c | 12 ++++++++++++
 2 files changed, 30 insertions(+)

(limited to 'usr.sbin/nfsd')

diff --git a/usr.sbin/nfsd/nfsd.8 b/usr.sbin/nfsd/nfsd.8
index 4ee6c4b..a54a564 100644
--- a/usr.sbin/nfsd/nfsd.8
+++ b/usr.sbin/nfsd/nfsd.8
@@ -100,12 +100,30 @@ server specification; see
 .%T "Network File System Protocol Specification" ,
 RFC1094.
 .Pp
+If
+.Nm nfsd
+detects that 
+.Tn NFS
+is not loaded in the running kernel, it will attempt
+to load a loadable kernel module containing
+.Tn NFS
+support using
+.Xr modload 8
+by way of
+.Xr vfsload 3 .
+If this fails, or no
+.Tn NFS
+LKM is available,
+.Nm nfsd
+will exit with an error.
+.Pp
 The
 .Nm nfsd
 utility exits 0 on success, and >0 if an error occurs.
 .Sh SEE ALSO
 .Xr nfsstat 1 ,
 .Xr nfssvc 2 ,
+.Xr modload 8 ,
 .Xr mountd 8 ,
 .Xr portmap 8
 .Sh HISTORY
diff --git a/usr.sbin/nfsd/nfsd.c b/usr.sbin/nfsd/nfsd.c
index 8e2d14c..9d4d226 100644
--- a/usr.sbin/nfsd/nfsd.c
+++ b/usr.sbin/nfsd/nfsd.c
@@ -144,6 +144,18 @@ main(argc, argv, envp)
 	int nfsdcnt, nfssvc_flag, on, reregister, sock, tcpflag, tcpsock;
 	int tp4cnt, tp4flag, tp4sock, tpipcnt, tpipflag, tpipsock, udpflag;
 	char *cp, **cpp;
+	struct vfsconf *vfc;
+
+	vfc = getvfsbyname("nfs");
+	if(!vfc && vfsisloadable("nfs")) {
+		if(vfsload("nfs"))
+			err(1, "vfsload(nfs)");
+		endvfsent();	/* flush cache */
+		vfc = getvfsbyname("nfs"); /* probably unnecessary */
+	}
+	if(!vfc) {
+		errx(1, "NFS is not available in the running kernel");
+	}
 
 	/* Save start and extent of argv for setproctitle. */
 	Argv = argv;
-- 
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