diff --git a/sbin/mount_nfs/mount_nfs.8.sav b/sbin/mount_nfs/mount_nfs.8
--- a/sbin/mount_nfs/mount_nfs.8.sav
+++ b/sbin/mount_nfs/mount_nfs.8
@@ -28,7 +28,7 @@
 .\"	@(#)mount_nfs.8	8.3 (Berkeley) 3/29/95
 .\" $FreeBSD$
 .\"
-.Dd July 10, 2021
+.Dd January 3, 2022
 .Dt MOUNT_NFS 8
 .Os
 .Sh NAME
@@ -129,6 +129,18 @@
 Useful for
 .Xr fstab 5 ,
 where the file system mount is not critical to multiuser operation.
+.It Cm bgnow
+Like
+.Cm bg ,
+fork off a child to keep trying the mount in the background,
+but do not attempt to mount in the foreground first.
+This eliminates a
+60+ second timeout when the server is not responding.
+Useful for speeding up the boot process of a client when the server is
+likely to be unavailable.
+This is often the case for interdependent servers
+such as cross-mounted servers (each of two servers is an NFS client of
+the other) and for cluster nodes that must boot before the file servers.
 .It Cm deadthresh Ns = Ns Aq Ar value
 Set the
 .Dq "dead server threshold"
diff --git a/sbin/mount_nfs/mount_nfs.c.sav b/sbin/mount_nfs/mount_nfs.c
--- a/sbin/mount_nfs/mount_nfs.c.sav
+++ b/sbin/mount_nfs/mount_nfs.c
@@ -107,6 +107,7 @@
 #define	ISBGRND	2
 #define	OF_NOINET4	4
 #define	OF_NOINET6	8
+#define	BGRNDNOW	0x10
 static int retrycnt = -1;
 static int opflags = 0;
 static int nfsproto = IPPROTO_TCP;
@@ -242,6 +243,9 @@
 				if (strcmp(opt, "bg") == 0) {
 					opflags |= BGRND;
 					pass_flag_to_nmount=0;
+				} else if (strcmp(opt, "bgnow") == 0) {
+					opflags |= BGRNDNOW;
+					pass_flag_to_nmount=0;
 				} else if (strcmp(opt, "fg") == 0) {
 					/* same as not specifying -o bg */
 					pass_flag_to_nmount=0;
@@ -421,6 +425,9 @@
 	argc -= optind;
 	argv += optind;
 
+	if ((opflags & (BGRND | BGRNDNOW)) == (BGRND | BGRNDNOW))
+		errx(1, "Options bg and bgnow mutually exclusive");
+
 	if (argc != 2) {
 		usage();
 		/* NOTREACHED */
@@ -647,6 +654,14 @@
 			build_iovec(iov, iovlen, "principal", pname,
 			    strlen(pname) + 1);
 		}
+	}
+
+	if ((opflags & (BGRNDNOW | ISBGRND)) == BGRNDNOW) {
+		warnx("Mount %s:%s, backgrounding",
+		    hostp, spec);
+		opflags |= ISBGRND;
+		if (daemon(0, 0) != 0)
+			err(1, "daemon");
 	}
 
 	ret = TRYRET_LOCALERR;