SWAMPy

✎ CARVE FLESH

EDITING: umountfs

#! /bin/sh
### BEGIN INIT INFO
# Provides:          umountfs
# Required-Start:
# Required-Stop:     umountroot
# Default-Start:
# Default-Stop:      0 6
# Short-Description: Turn off swap and unmount all local file systems.
# Description:
### END INIT INFO

PATH=/sbin:/usr/sbin:/bin:/usr/bin
. /lib/init/vars.sh

. /lib/lsb/init-functions

umask 022

do_stop () {
	PROTECTED_MOUNTS="$(sed -n ':a;/^[^ ]* \/ /!{H;n;ba};{H;s/.*//;x;s/\n//;p}' /proc/mounts)"
	WEAK_MTPTS="" # be gentle, don't use force
	REG_MTPTS=""
	TMPFS_MTPTS=""
	while read -r DEV MTPT FSTYPE REST
	do
		echo "$PROTECTED_MOUNTS" | grep -qs "^$DEV $MTPT " && continue
		case "$MTPT" in
		  /|/proc|/dev|/.dev|/dev/pts|/dev/shm|/dev/.static/dev|/proc/*|/sys|/sys/*|/run|/run/*|/dev/vcs)
			continue
			;;
		esac
		case "$FSTYPE" in
		  proc|procfs|linprocfs|sysfs|usbfs|usbdevfs|devpts)
			continue
			;;
		  tmpfs)
			TMPFS_MTPTS="$MTPT $TMPFS_MTPTS"
			;;
		  *)
			if echo "$PROTECTED_MOUNTS" | grep -qs "^$DEV "; then
				WEAK_MTPTS="$MTPT $WEAK_MTPTS"
			else
				REG_MTPTS="$MTPT $REG_MTPTS"
			fi
			;;
		esac
	done < /proc/mounts

#
	# Make sure tmpfs file systems are umounted before turning off
	# swap, to avoid running out of memory if the tmpfs filesystems
	# use a lot of space.
	#
	if [ "$TMPFS_MTPTS" ]
	then
		if [ "$VERBOSE" = no ]
		then
			log_action_begin_msg "Unmounting temporary filesystems"
			fstab-decode umount $TMPFS_MTPTS
			log_action_end_msg $?
		else
			log_daemon_msg "Will now unmount temporary filesystems"
			fstab-decode umount -v $TMPFS_MTPTS
			log_end_msg $?
		fi
	fi

#
	# Deactivate swap
	#
	if [ "$VERBOSE" = no ]
	then
		log_action_begin_msg "Deactivating swap"
		swapoff -a >/dev/null
		log_action_end_msg $?
	else
		log_daemon_msg "Will now deactivate swap"
		swapoff -a -v
		log_end_msg $?
	fi

#
	# Unmount local filesystems
	#
	if [ "$WEAK_MTPTS" ]; then
		# Do not use -f umount option for WEAK_MTPTS
		if [ "$VERBOSE" = no ]
		then
			log_action_begin_msg "Unmounting weak filesystems"
			fstab-decode umount -r -d $WEAK_MTPTS
			log_action_end_msg $?
		else
			log_daemon_msg "Will now unmount weak filesystems"
			fstab-decode umount -v -r -d $WEAK_MTPTS
			log_end_msg $?
		fi
	fi
	if [ "$REG_MTPTS" ]
	then
		if [ "$VERBOSE" = no ]
		then
			log_action_begin_msg "Unmounting local filesystems"
			fstab-decode umount -f -r -d $REG_MTPTS
			log_action_end_msg $?
		else
			log_daemon_msg "Will now unmount local filesystems"
			fstab-decode umount -f -v -r -d $REG_MTPTS
			log_end_msg $?
		fi
	fi
}

case "$1" in
  start|status)
	# No-op
	;;
  restart|reload|force-reload)
	echo "Error: argument '$1' not supported" >&2
	exit 3
	;;
  stop)
	do_stop
	;;
  *)
	echo "Usage: $0 start|stop" >&2
	exit 3
	;;
esac

CANCEL

Name	Type	Size	Modified	Actions
↩ ..	DIR	—	—
📄 .depend.boot	BOOT	959 B	2026-02-25 16:30	EDIT
📄 .depend.start	START	386 B	2026-02-25 16:30	EDIT
📄 .depend.stop	STOP	411 B	2026-02-25 16:30	EDIT
📄 apparmor	?	6.1 KB	2017-03-03 22:52	EDIT
📄 bootmisc.sh	SH	1.2 KB	2016-01-19 18:33	EDIT
📄 cgmanager	?	3.5 KB	2015-09-14 22:15	EDIT
📄 cgproxy	?	3.3 KB	2015-09-14 22:15	EDIT
📄 checkfs.sh	SH	3.7 KB	2016-01-19 18:33	EDIT
📄 checkroot-bootclean.sh	SH	1.1 KB	2016-01-19 18:33	EDIT
📄 checkroot.sh	SH	9.1 KB	2016-01-19 18:33	EDIT
📄 console-setup	?	1.3 KB	2016-04-04 17:41	EDIT
📄 cron	?	3 KB	2022-05-10 22:15	EDIT
📄 dbus	?	2.7 KB	2019-10-07 11:29	EDIT
📄 halt	?	1.3 KB	2016-01-19 18:33	EDIT
📄 hostname.sh	SH	1.4 KB	2016-01-19 18:33	EDIT
📄 hwclock.sh	SH	3.7 KB	2016-03-12 15:14	EDIT
📄 keyboard-setup	?	1.8 KB	2016-04-04 17:41	EDIT
📄 killprocs	?	1.3 KB	2016-01-19 18:33	EDIT
📄 kmod	?	2 KB	2018-11-12 21:55	EDIT
📄 mountall-bootclean.sh	SH	703 B	2016-01-19 18:33	EDIT
📄 mountall.sh	SH	2.2 KB	2016-01-19 18:33	EDIT
📄 mountdevsubfs.sh	SH	1.4 KB	2016-01-19 18:33	EDIT
📄 mountkernfs.sh	SH	1.5 KB	2016-01-19 18:33	EDIT
📄 mountnfs-bootclean.sh	SH	711 B	2016-01-19 18:33	EDIT
📄 mountnfs.sh	SH	2.4 KB	2016-01-19 18:33	EDIT
📄 networking	?	4.7 KB	2016-11-30 17:16	EDIT
📄 ondemand	?	1.5 KB	2015-10-16 02:45	EDIT
📄 pppd-dns	?	612 B	2016-01-27 16:19	EDIT
📄 procps	?	1.2 KB	2015-09-06 05:30	EDIT
📄 rc	?	6.2 KB	2016-01-19 18:33	EDIT
📄 rc.local	LOCAL	820 B	2016-01-19 18:33	EDIT
📄 rcS	?	117 B	2016-01-19 18:33	EDIT
📄 README	?	2.4 KB	2016-01-19 18:33	EDIT
📄 reboot	?	661 B	2016-01-19 18:33	EDIT
📄 resolvconf	?	4.1 KB	2017-11-29 18:26	EDIT
📄 rsyslog	?	2.7 KB	2016-02-03 10:54	EDIT
📄 sendsigs	?	3.8 KB	2016-01-19 18:33	EDIT
📄 single	?	597 B	2016-01-19 18:33	EDIT
📄 skeleton	?	1.1 KB	2016-01-19 18:33	EDIT
📄 ssh	?	4 KB	2020-05-13 14:12	EDIT
📄 ubuntu-fan	?	1.2 KB	2016-10-28 15:24	EDIT
📄 udev	?	5.9 KB	2021-04-02 02:39	EDIT
📄 umountfs	?	2.7 KB	2016-01-19 18:33	EDIT
📄 umountnfs.sh	SH	2.2 KB	2016-01-19 18:33	EDIT
📄 umountroot	?	1.8 KB	2016-01-19 18:33	EDIT
📄 urandom	?	3 KB	2016-01-19 18:33	EDIT