Revert "local/netmount: remove uses of -O [no]_netdev"

This reverts commit 2a439c85bd.
There is another use case for -O involving iscsi, so we can't remove it.

BUSYBOX.md

@@ -12,6 +12,11 @@ configuration settings for best results with OpenRC.
 CONFIG_START_STOP_DAEMON -- The start-stop-daemon applet is not compatible with
 start-stop-daemon in OpenRC.
 
+CONFIG_MOUNT -- The mount applet does not support the -O [no]_netdev options to
+skip over or include network file systems when the -a option is present.
+
+CONFIG_UMOUNT -- The umount applet does not support the -O option along with -a.
+
 CONFIG_SWAPONOFF -- The swapon applet does not support the -e option
 or recognize the nofail option in fstab.
 

NEWS.md

@@ -5,23 +5,15 @@ the information in this file is in reverse order.
 
 ## OpenRC-0.18
 
-The behaviour of localmount and netmount is changing. In the past, these
-services always started successfully. However, now they will fail if a
-file system they attempt to mount cannot be mounted.
-
-If you have file systems listed in fstab which should not be mounted at
+The behaviour of localmount and netmount in this version is changing. In
+the past, these services always started successfully. In this version,
+they will be able to fail if file systems they mount fail to mount. If
+you have file systems listed in fstab which should not be mounted at
 boot time, make sure to add noauto to the mount options. If you have
 file systems that you want to attempt to mount at boot time but failure
 should be allowed, add nofail to the mount options for these file
 systems in fstab.
 
-In this version, we are dropping the use of the -O switch for
-mount/umount -a. This is being dropped because it is util-linux
-specific and not compatible with busybox.
-
-This should not be a regression for Gentoo users, but I am publishing
-this here because it may be for others.
-
 ## OpenRC-0.14
 
 The binfmt service, which registers misc binary formats with the Linux

init.d/localmount.in

@@ -15,18 +15,19 @@ depend()
 start()
 {
 	# Mount local filesystems in /etc/fstab.
-	local types="noproc" x= rc=
+	local types="noproc" x= no_netdev= rc=
 	for x in $net_fs_list $extra_net_fs_list; do
 		types="${types},no${x}"
 	done
 
 	if [ "$RC_UNAME" = Linux ]; then
+		no_netdev="-O no_netdev"
 		if mountinfo -q /usr; then
 			touch "$RC_SVCDIR"/usr_premounted
 		fi
 	fi
 	ebegin "Mounting local filesystems"
-	mount -at "$types"
+	mount -at "$types" $no_netdev
 	eend $? "Some local filesystem failed to mount"
 	rc=$?
 	if [ "$RC_UNAME" != Linux ]; then

init.d/netmount.in

@@ -22,6 +22,10 @@ start()
 	ebegin "Mounting network filesystems"
 	mount -at $fs
 	rc=$?
+	if [ "$RC_UNAME" = Linux ]; then
+		mount -a -O _netdev
+		rc=$?
+	fi
 	ewend $rc "Could not mount all network filesystems"
 	if [ "$RC_UNAME" != Linux ]; then
 		rc=0
@@ -53,5 +57,9 @@ stop()
 	retval=$?
 
 	eoutdent
+	if [ "$RC_UNAME" = Linux ]; then
+		umount -a -O _netdev
+		retval=$?
+	fi
 	eend $retval "Failed to unmount network filesystems"
 }