From 8fb6b2d3d410ad2badf0c99ed7a66b698aafaa17 Mon Sep 17 00:00:00 2001 From: Rod Whitby Date: Sat, 7 Jan 2006 08:58:44 +0000 Subject: slugos: Major rename of common SlugOS files and directories from openslug to slugos. --- .../initscripts/initscripts-1.0/slugos/umountfs | 43 ++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 packages/initscripts/initscripts-1.0/slugos/umountfs (limited to 'packages/initscripts/initscripts-1.0/slugos/umountfs') diff --git a/packages/initscripts/initscripts-1.0/slugos/umountfs b/packages/initscripts/initscripts-1.0/slugos/umountfs new file mode 100644 index 0000000000..d6f432dbda --- /dev/null +++ b/packages/initscripts/initscripts-1.0/slugos/umountfs @@ -0,0 +1,43 @@ +#! /bin/sh +# +# umountfs Turn off swap and unmount all local filesystems. +# + +PATH=/sbin:/bin:/usr/sbin:/usr/bin + +# Ensure /proc is mounted +test -r /proc/mounts || mount -t proc proc /proc + +echo "Deactivating swap..." +swapoff -a + +# We leave /proc mounted, the umount of /dev/devpts seems to fail +# quite frequently, the busybox umount apparently gives up at the +# first failure, so it is necessary to go file system by file +# system. It is necessary to go backward in the /proc list, because +# later things may have been mounted on earlier mounts. +devfs= +unmount() { + local dev mp type opts + if read dev mp type opts + then + # recurse - unmount later items + unmount + # skip /proc and /dev but not the sub-directories + case "$mp" in + /|/proc)return 0;; + /dev) devfs=1 + return 0;; + esac + # then unmount this, if possible, otherwise make + # it read-only + umount -f -r "$mp" + fi +} + +echo "Unmounting local filesystems..." +unmount