Remove the over-engineered checkfs and checkroot scripts and replace with simple fsck, root and mtab scripts. Update dependencies accordingly.

init.d.Linux/mtab

@@ -0,0 +1,29 @@
+#!/sbin/runscript
+# Copyright 2007-2008 Roy Marples <roy@marples.name>
+# All rights reserved. Released under the 2-clause BSD license.
+
+description="Update /etc/mtab to match what the kernel knows about"
+
+depend()
+{
+	need root
+}
+
+start()
+{
+	ebegin "Updating /etc/mtab"
+	if ! echo 2>/dev/null >/etc/mtab; then
+		ewend 1 "/etc/mtab is not updateable"
+		return 0
+	fi
+
+	# With / as tmpfs we cannot umount -at tmpfs in localmount as that
+	# makes / readonly and dismounts all tmpfs even if in use which is
+	# not good. Luckily, umount uses /etc/mtab instead of /proc/mounts
+	# which allows this hack to work.
+	grep -v "^[^ ]* / tmpfs " /proc/mounts > /etc/mtab
+
+	# Remove stale backups
+	rm -f /etc/mtab~ /etc/mtab~~
+	eend 0
+}