aboutsummaryrefslogtreecommitdiff
path: root/init.d.Linux
diff options
context:
space:
mode:
Diffstat (limited to 'init.d.Linux')
-rw-r--r--init.d.Linux/mtab29
1 files changed, 29 insertions, 0 deletions
diff --git a/init.d.Linux/mtab b/init.d.Linux/mtab
new file mode 100644
index 00000000..abb94922
--- /dev/null
+++ b/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
+}