FM / sbin

/snap/core20/2769/usr/sbin

Name	Size	Mode	Actions
aa-remove-unknown	3068	0755	edit dl rm
aa-status	8839	0755	edit dl rm
aa-teardown	139	0755	edit dl rm
add-shell	860	0755	edit dl rm
addgroup	37785	0755	edit dl rm
adduser	37785	0755	edit dl rm
agetty	69000	0755	edit dl rm
apparmor_parser	1526368	0755	edit dl rm
apparmor_status	8839	0755	edit dl rm
arpd	80144	0755	edit dl rm
arptables	220488	0755	edit dl rm
arptables-nft	220488	0755	edit dl rm
arptables-nft-restore	220488	0755	edit dl rm
arptables-nft-save	220488	0755	edit dl rm
arptables-restore	220488	0755	edit dl rm
arptables-save	220488	0755	edit dl rm
badblocks	35144	0755	edit dl rm
blkdeactivate	14837	0755	edit dl rm
blkdiscard	35048	0755	edit dl rm
blkid	121096	0755	edit dl rm
blkzone	71912	0755	edit dl rm
blockdev	67816	0755	edit dl rm
bridge	104760	0755	edit dl rm
capsh	31032	0755	edit dl rm
cfdisk	105048	0755	edit dl rm
chcpu	47336	0755	edit dl rm
chgpasswd	67792	0755	edit dl rm
chmem	63720	0755	edit dl rm
chpasswd	59600	0755	edit dl rm
chroot	43352	0755	edit dl rm
cpgr	61784	0755	edit dl rm
cppw	61784	0755	edit dl rm
cryptdisks_start	1544	0755	edit dl rm
cryptdisks_stop	844	0755	edit dl rm
cryptsetup	138792	0755	edit dl rm
cryptsetup-reencrypt	107848	0755	edit dl rm
ctrlaltdel	39144	0755	edit dl rm
debugfs	231224	0755	edit dl rm
delgroup	16495	0755	edit dl rm
deluser	16495	0755	edit dl rm
depmod	170352	0755	edit dl rm
devlink	154080	0755	edit dl rm
dhclient	521200	0755	edit dl rm
dhclient-script	16304	0755	edit dl rm
dmsetup	175128	0755	edit dl rm
dmstats	175128	0755	edit dl rm
dosfsck	59472	0755	edit dl rm
dosfslabel	55376	0755	edit dl rm
dumpe2fs	31112	0755	edit dl rm
e2freefrag	18816	0755	edit dl rm
e2fsck	335064	0755	edit dl rm
e2image	43400	0755	edit dl rm
e2label	109112	0755	edit dl rm
e2mmpstatus	31112	0755	edit dl rm
e2scrub	7296	0755	edit dl rm
e2scrub_all	5395	0755	edit dl rm
e2undo	22912	0755	edit dl rm
e4crypt	31104	0755	edit dl rm
e4defrag	35128	0755	edit dl rm
ebtables	220488	0755	edit dl rm
ebtables-nft	220488	0755	edit dl rm
ebtables-nft-restore	220488	0755	edit dl rm
ebtables-nft-save	220488	0755	edit dl rm
ebtables-restore	220488	0755	edit dl rm
ebtables-save	220488	0755	edit dl rm
faillock	14488	0755	edit dl rm
fatlabel	55376	0755	edit dl rm
fdformat	35048	0755	edit dl rm
fdisk	153880	0755	edit dl rm
filefrag	18768	0755	edit dl rm
findfs	14568	0755	edit dl rm
fsck	55576	0755	edit dl rm
fsck.cramfs	39176	0755	edit dl rm
fsck.ext2	335064	0755	edit dl rm
fsck.ext3	335064	0755	edit dl rm
fsck.ext4	335064	0755	edit dl rm
fsck.fat	59472	0755	edit dl rm
fsck.minix	125184	0755	edit dl rm
fsck.msdos	59472	0755	edit dl rm
fsck.vfat	59472	0755	edit dl rm
fsfreeze	14568	0755	edit dl rm
fstab-decode	14648	0755	edit dl rm
fstrim	71912	0755	edit dl rm
genl	84264	0755	edit dl rm
getcap	14648	0755	edit dl rm
getpcaps	14648	0755	edit dl rm
getty	69000	0755	edit dl rm
groupadd	93136	0755	edit dl rm
groupdel	88848	0755	edit dl rm
groupmems	63736	0755	edit dl rm
groupmod	97136	0755	edit dl rm
grpck	63672	0755	edit dl rm
grpconv	59448	0755	edit dl rm
grpunconv	59448	0755	edit dl rm
halt	1119856	0755	edit dl rm
hwclock	104808	0755	edit dl rm
iconvconfig	31128	0755	edit dl rm
init	1849992	0755	edit dl rm
insmod	170352	0755	edit dl rm
installkernel	2638	0755	edit dl rm
integritysetup	61672	0755	edit dl rm
invoke-rc.d	17042	0755	edit dl rm
ip	718896	0755	edit dl rm
ip6tables	99296	0755	edit dl rm
ip6tables-apply	7057	0755	edit dl rm
ip6tables-legacy	99296	0755	edit dl rm
ip6tables-legacy-restore	99296	0755	edit dl rm
ip6tables-legacy-save	99296	0755	edit dl rm
ip6tables-nft	220488	0755	edit dl rm
ip6tables-nft-restore	220488	0755	edit dl rm
ip6tables-nft-save	220488	0755	edit dl rm
ip6tables-restore	99296	0755	edit dl rm
ip6tables-restore-translate	220488	0755	edit dl rm
ip6tables-save	99296	0755	edit dl rm
ip6tables-translate	220488	0755	edit dl rm
iptables	99296	0755	edit dl rm
iptables-apply	7057	0755	edit dl rm
iptables-legacy	99296	0755	edit dl rm
iptables-legacy-restore	99296	0755	edit dl rm
iptables-legacy-save	99296	0755	edit dl rm
iptables-nft	220488	0755	edit dl rm
iptables-nft-restore	220488	0755	edit dl rm
iptables-nft-save	220488	0755	edit dl rm
iptables-restore	99296	0755	edit dl rm
iptables-restore-translate	220488	0755	edit dl rm
iptables-save	99296	0755	edit dl rm
iptables-translate	220488	0755	edit dl rm
isosize	30952	0755	edit dl rm
killall5	27016	0755	edit dl rm
ldattach	35048	0755	edit dl rm
ldconfig	387	0755	edit dl rm
ldconfig.real	1053768	0755	edit dl rm
logsave	14496	0755	edit dl rm
losetup	112992	0755	edit dl rm
lsmod	170352	0755	edit dl rm
luksformat	3401	0755	edit dl rm
mkdosfs	35328	0755	edit dl rm
mke2fs	137848	0755	edit dl rm
mkfs	14568	0755	edit dl rm
mkfs.bfs	35048	0755	edit dl rm
mkfs.cramfs	43168	0755	edit dl rm
mkfs.ext2	137848	0755	edit dl rm
mkfs.ext3	137848	0755	edit dl rm
mkfs.ext4	137848	0755	edit dl rm
mkfs.fat	35328	0755	edit dl rm
mkfs.minix	108784	0755	edit dl rm
mkfs.msdos	35328	0755	edit dl rm
mkfs.vfat	35328	0755	edit dl rm
mkhomedir_helper	22704	0755	edit dl rm
mklost+found	14648	0755	edit dl rm
mkswap	108784	0755	edit dl rm
modinfo	170352	0755	edit dl rm
modprobe	170352	0755	edit dl rm
netplan	798	0755	edit dl rm
newusers	101168	0755	edit dl rm
nfnl_osf	18736	0755	edit dl rm
nologin	14640	0755	edit dl rm
pam-auth-update	20335	0755	edit dl rm
pam_extrausers_chkpwd	43168	2755	edit dl rm
pam_extrausers_update	43168	0755	edit dl rm
pam_getenv	2890	0755	edit dl rm
pam_tally	14504	0755	edit dl rm
pam_tally2	18600	0755	edit dl rm
pam_timestamp_check	14488	0755	edit dl rm
pivot_root	14568	0755	edit dl rm
poweroff	1119856	0755	edit dl rm
pwck	59568	0755	edit dl rm
pwconv	55344	0755	edit dl rm
pwunconv	55352	0755	edit dl rm
raw	14568	0755	edit dl rm
readprofile	22792	0755	edit dl rm
reboot	1119856	0755	edit dl rm
remove-shell	904	0755	edit dl rm
resize2fs	67968	0755	edit dl rm
rfkill	51432	0755	edit dl rm
rmmod	170352	0755	edit dl rm
rmt	59952	0755	edit dl rm
rmt-tar	59952	0755	edit dl rm
rtacct	49448	0755	edit dl rm
rtcwake	47336	0755	edit dl rm
rtmon	80120	0755	edit dl rm
runlevel	1119856	0755	edit dl rm
runuser	67816	0755	edit dl rm
service	9262	0755	edit dl rm
setcap	14648	0755	edit dl rm
sfdisk	141544	0755	edit dl rm
shadowconfig	885	0755	edit dl rm
shutdown	1119856	0755	edit dl rm
sshd	884520	0755	edit dl rm
start-stop-daemon	48456	0755	edit dl rm
sulogin	51432	0755	edit dl rm
swaplabel	18664	0755	edit dl rm
swapoff	22760	0755	edit dl rm
swapon	51432	0755	edit dl rm
switch_root	14568	0755	edit dl rm
sysctl	30960	0755	edit dl rm
tarcat	936	0755	edit dl rm
tc	542160	0755	edit dl rm
telinit	1119856	0755	edit dl rm
tipc	129264	0755	edit dl rm
tune2fs	109112	0755	edit dl rm
tzconfig	106	0755	edit dl rm
unix_chkpwd	43160	2755	edit dl rm
unix_update	43160	0755	edit dl rm
update-ca-certificates	5418	0755	edit dl rm
update-mime	9402	0755	edit dl rm
update-passwd	35392	0755	edit dl rm
update-rc.d	17161	0755	edit dl rm
useradd	147160	0755	edit dl rm
userdel	101264	0755	edit dl rm
usermod	142840	0755	edit dl rm
veritysetup	53064	0755	edit dl rm
vigr	70200	0755	edit dl rm
vipw	70200	0755	edit dl rm
visudo	223432	0755	edit dl rm
wipefs	47336	0755	edit dl rm
wpa_action	1735	0755	edit dl rm
wpa_cli	155872	0755	edit dl rm
wpa_supplicant	2901328	0755	edit dl rm
xtables-legacy-multi	99296	0755	edit dl rm
xtables-monitor	220488	0755	edit dl rm
xtables-nft-multi	220488	0755	edit dl rm
zic	63784	0755	edit dl rm
zramctl	117088	0755	edit dl rm

Edit: /snap/core20/2769/usr/sbin/blkdeactivate (14837B)

#!/bin/bash
#
# Copyright (C) 2012-2017 Red Hat, Inc. All rights reserved.
#
# This file is part of LVM2.
#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions
# of the GNU General Public License v.2.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
#
# Author: Peter Rajnoha <prajnoha at redhat.com>
#
# Script for deactivating block devices
#
# Requires:
#   bash >= 4.0 (associative array support)
#   util-linux {
#       lsblk >= 2.22 (lsblk -s support)
#       umount
#   }
#   dmsetup >= 1.02.68 (--retry option support)
#   lvm >= 2.2.89 (activation/retry_deactivation config support)
#

#set -x
shopt -s dotglob nullglob

TOOL=blkdeactivate

DEV_DIR="/dev"
SYS_BLK_DIR="/sys/block"

MDADM="/sbin/mdadm"
MOUNTPOINT="/bin/mountpoint"
MPATHD="/sbin/multipathd"
UMOUNT="/bin/umount"

sbindir="/sbin"
DMSETUP="$sbindir/dmsetup"
LVM="$sbindir/lvm"

if "$UMOUNT" --help | grep -- "--all-targets" >"$DEV_DIR/null"; then
	UMOUNT_OPTS="--all-targets "
else
	UMOUNT_OPTS=""
	FINDMNT="/bin/findmnt -r --noheadings -u -o TARGET"
	FINDMNT_READ="read -r mnt"
fi
DMSETUP_OPTS=""
LVM_OPTS=""
MDADM_OPTS=""
MPATHD_OPTS=""

LSBLK="/bin/lsblk -r --noheadings -o TYPE,KNAME,NAME,MOUNTPOINT"
LSBLK_VARS="local devtype local kname local name local mnt"
LSBLK_READ="read -r devtype kname name mnt"
SORT_MNT="/usr/bin/sort -r -u -k 4"

# Do not show tool errors by default (only done/skipping summary
# message provided by this script) and no verbose mode by default.
ERRORS=0
VERBOSE=0

# Do not unmount mounted devices by default.
DO_UMOUNT=0

# Deactivate each LV separately by default (not the whole VG).
LVM_DO_WHOLE_VG=0
# Do not retry LV deactivation by default.
LVM_CONFIG="activation{retry_deactivation=0}"

# Do not wait for MD RAID device resync, recovery or reshape.
MDRAID_DO_WAIT=0

# Do not disable queueing if set on multipath devices.
MPATHD_DO_DISABLEQUEUEING=0

#
# List of device names and/or VGs to be skipped.
# Device name is the KNAME from lsblk output.
#
# If deactivation of any device fails, it's automatically
# added to the SKIP_DEVICE_LIST (also a particular VG
# added to the SKIP_VG_LIST for a device that is an LV).
#
# These lists provide device tree pruning to skip
# particular device/VG deactivation that failed already.
# (lists are associative arrays!)
#
declare -A SKIP_DEVICE_LIST=()
declare -A SKIP_VG_LIST=()

#
# List of mountpoints to be skipped. Any device that is mounted on the mountpoint
# listed here will be added to SKIP_DEVICE_LIST (and SKIP_VG_LIST) automatically.
# (list is an associative array!)
#
declare -A SKIP_UMOUNT_LIST=(["/"]=1 \
                             ["/lib"]=1 ["/lib64"]=1 \
                             ["/bin"]=1 ["/sbin"]=1 \
                             ["/var"]=1 ["/var/log"]=1 \
                             ["/usr"]=1 \
                             ["/usr/lib"]=1 ["/usr/lib64"]=1 \
                             ["/usr/sbin"]=1 ["/usr/bin"]=1)
# Bash can't properly handle '[' and ']' used as a subscript
# within the '()'initialization - it needs to be done separately!
SKIP_UMOUNT_LIST["[SWAP]"]=1

usage() {
	echo "${TOOL}: Utility to deactivate block devices"
	echo
	echo "  ${TOOL} [options] [device...]"
	echo "    - Deactivate block device tree."
	echo "      If devices are specified, deactivate only supplied devices and their holders."
	echo
	echo "  Options:"
	echo "    -e | --errors                       Show errors reported from tools"
	echo "    -h | --help                         Show this help message"
	echo "    -d | --dmoptions     DM_OPTIONS     Comma separated DM specific options"
	echo "    -l | --lvmoptions    LVM_OPTIONS    Comma separated LVM specific options"
	echo "    -m | --mpathoptions  MPATH_OPTIONS  Comma separated DM-multipath specific options"
	echo "    -r | --mdraidoptions MDRAID_OPTIONS Comma separated MD RAID specific options"
	echo "    -u | --umount                       Unmount the device if mounted"
	echo "    -v | --verbose                      Verbose mode (also implies -e)"
	echo
	echo "  Device specific options:"
	echo "    DM_OPTIONS:"
	echo "      retry           retry removal several times in case of failure"
	echo "      force           force device removal"
	echo "    LVM_OPTIONS:"
	echo "      retry           retry removal several times in case of failure"
	echo "      wholevg         deactivate the whole VG when processing an LV"
	echo "    MDRAID_OPTIONS:"
	echo "      wait            wait for resync, recovery or reshape to complete first"
	echo "    MPATH_OPTIONS:"
	echo "      disablequeueing disable queueing on all DM-multipath devices first"

exit
}

add_device_to_skip_list() {
	SKIP_DEVICE_LIST+=(["$kname"]=1)
	return 1
}

add_vg_to_skip_list() {
	SKIP_VG_LIST+=(["$DM_VG_NAME"]=1)
	return 1
}

is_top_level_device() {
	# top level devices do not have any holders, that is
	# the SYS_BLK_DIR/<device_name>/holders dir is empty
	files=$(echo "$SYS_BLK_DIR/$kname/holders/"*)
	test -z "$files"
}

device_umount_one() {
	test -z "$mnt" && return 0

if test -z "${SKIP_UMOUNT_LIST["$mnt"]}" -a "$DO_UMOUNT" -eq "1"; then
		echo -n "  [UMOUNT]: unmounting $name ($kname) mounted on $mnt... "
		if eval "$UMOUNT" $UMOUNT_OPTS "$(printf "%s" "$mnt")" "$OUT" "$ERR"; then
			echo "done"
		elif "$MOUNTPOINT" -q "$mnt"; then
			echo "skipping"
			add_device_to_skip_list
		else
			echo "already unmounted"
		fi
	else
		echo "  [SKIP]: unmount of $name ($kname) mounted on $mnt"
		add_device_to_skip_list
	fi
}

device_umount() {
	test "$devtype" != "lvm" && test "${kname:0:3}" != "dm-" \
          && test "${kname:0:2}" != "md" && return 0

# FINDMNT is defined only if umount --all-targets is not available.
	# In that case, read the list of multiple mount points of one device
	# using FINDMNT and unmount it one by one manually.
	if test -z "$FINDMNT"; then
		device_umount_one
	else
		while $FINDMNT_READ; do
			device_umount_one || return 1
		done <<< "$($FINDMNT "$DEV_DIR/$kname")"
	fi

}

deactivate_holders () {
	local skip=1; $LSBLK_VARS

# Get holders for the device - either a mount or another device.
	# First line on the lsblk output is the device itself - skip it for
	# the deactivate call as this device is already being deactivated.
	while $LSBLK_READ; do
		test -e "$SYS_BLK_DIR/$kname" || continue
		# check if the device not on the skip list already
		test -z "${SKIP_DEVICE_LIST["$kname"]}" || return 1

# try to deactivate the holder
		test "$skip" -eq 1 && skip=0 && continue
		deactivate || return 1
	done <<< "$($LSBLK "$1")"
}

deactivate_dm () {
	local xname
	xname=$(printf "%s" "$name")
	test -b "$DEV_DIR/mapper/$xname" || return 0
	test -z "${SKIP_DEVICE_LIST["$kname"]}" || return 1

deactivate_holders "$DEV_DIR/mapper/$xname" || return 1

echo -n "  [DM]: deactivating $devtype device $xname ($kname)... "
	if eval "$DMSETUP" $DMSETUP_OPTS remove "$xname" "$OUT" "$ERR"; then
		echo "done"
	else
		echo "skipping"
		add_device_to_skip_list
	fi
}

deactivate_lvm () {
	local DM_VG_NAME; local DM_LV_NAME

eval "$(eval "$DMSETUP" splitname --nameprefixes --noheadings --rows "$name" LVM "$ERR")"
	test -b "$DEV_DIR/$DM_VG_NAME/$DM_LV_NAME" || return 0
	test -z "${SKIP_VG_LIST["$DM_VG_NAME"]}" || return 1

if test "$LVM_DO_WHOLE_VG" -eq 0; then
		# Skip LVM device deactivation if LVM tools missing.
		test "$LVM_AVAILABLE" -eq 0 && {
			add_device_to_skip_list
			return 1
		}
		# Deactivating only the LV specified
		deactivate_holders "$DEV_DIR/$DM_VG_NAME/$DM_LV_NAME" || {
			add_device_to_skip_list
			return 1
		}

echo -n "  [LVM]: deactivating Logical Volume $DM_VG_NAME/$DM_LV_NAME... "
		if eval "$LVM" lvchange $LVM_OPTS --config \'log\{prefix=\"\"\} $LVM_CONFIG\' -aln "$DM_VG_NAME/$DM_LV_NAME" "$OUT" "$ERR"; then
			echo "done"
		else
			echo "skipping"
			add_device_to_skip_list
		fi

else
		# Skip LVM VG deactivation if LVM tools missing.
		test "$LVM_AVAILABLE" -eq 0 && {
			add_vg_to_skip_list
			return 1
		}
		# Deactivating the whole VG the LV is part of
		lv_list=$(eval "$LVM" vgs --config "$LVM_CONFIG" --noheadings --rows -o lv_name "$DM_VG_NAME" "$ERR")
		for lv in $lv_list; do
			test -b "$DEV_DIR/$DM_VG_NAME/$lv" || continue
			deactivate_holders "$DEV_DIR/$DM_VG_NAME/$lv" || {
				add_vg_to_skip_list
				return 1
			}
		done

echo -n "  [LVM]: deactivating Volume Group $DM_VG_NAME... "
		if eval "$LVM" vgchange $LVM_OPTS --config \'log\{prefix=\"    \"\} $LVM_CONFIG\' -aln "$DM_VG_NAME" "$OUT" "$ERR"; then
			echo "done"
		else
			echo "skipping"
			add_vg_to_skip_list
		fi
	fi
}

deactivate_md () {
	local xname
	xname=$(printf "%s" "$name")
	local sync_action
	test -b "$DEV_DIR/$xname" || return 0
	test -z "${SKIP_DEVICE_LIST["$kname"]}" || return 1

# Skip MD device deactivation if MD tools missing.
	test "$MDADM_AVAILABLE" -eq 0 && {
		add_device_to_skip_list
		return 1
	}

deactivate_holders "$DEV_DIR/$xname" || return 1

echo -n "  [MD]: deactivating $devtype device $kname... "

test "$MDRAID_DO_WAIT" -eq 1 && {
		sync_action=$(cat "$SYS_BLK_DIR/$kname/md/sync_action")
		test "$sync_action" != "idle" && {
			echo -n "$sync_action action in progress... "
			if eval "$MDADM" $MDADM_OPTS -W "$DEV_DIR/$kname" "$OUT" "$ERR"; then
				echo -n "complete... "
			else
				test $? -ne 1 && echo -n "failed to wait for $sync_action action... "
			fi
		}
	}

if eval "$MDADM" $MDADM_OPTS -S "$xname" "$OUT" "$ERR"; then
		echo "done"
	else
		echo "skipping"
		add_device_to_skip_list
	fi
}

deactivate () {
	######################################################################
	# DEACTIVATION HOOKS FOR NEW DEVICE TYPES GO HERE!                   #
	#                                                                    #
	# Identify a new device type either by inspecting the TYPE provided  #
	# by lsblk directly ($devtype) or by any other mean that is suitable #
	# e.g. the KNAME provided by lsblk ($kname). See $LSBLK_VARS for     #
	# complete list of variables that may be used. Then call a           #
	# device-specific deactivation function that handles the exact type. #
	#                                                                    #
        # This device-specific function will certainly need to call          #
	# deactivate_holders first to recursively deactivate any existing    #
	# holders it might have before deactivating the device it processes. #
	######################################################################
	if test "$devtype" = "lvm"; then
		deactivate_lvm
	elif test "${kname:0:3}" = "dm-"; then
		deactivate_dm
	elif test "${kname:0:2}" = "md"; then
		deactivate_md
	fi
}

deactivate_all() {
	$LSBLK_VARS
	skip=0

echo "Deactivating block devices:"

test "$MPATHD_RUNNING" -eq 1 && {
		echo -n "  [DM]: disabling queueing on all multipath devices... "
		eval "$MPATHD" $MPATHD_OPTS disablequeueing maps "$ERR" | grep '^ok$' >"$DEV_DIR/null" && echo "done" || echo "failed"
	}

if test $# -eq 0; then
		#######################
		# Process all devices #
		#######################

# Unmount all relevant mountpoints first
		while $LSBLK_READ; do
			device_umount
		done <<< "$($LSBLK | $SORT_MNT)"

# Do deactivate
		while $LSBLK_READ; do
			# 'disk' is at the bottom already and it's a real device
			test "$devtype" = "disk" && continue

# if deactivation of any device fails, skip processing
			# any subsequent devices within its subtree as the
			# top-level device could not be deactivated anyway
			test "$skip" -eq 1 && {
				# reset 'skip' on top level device
				if is_top_level_device ; then
					skip=0
				else
					continue
				fi
			}

# check if the device is not on the skip list already
			test -z "${SKIP_DEVICE_LIST["$kname"]}" || continue

# try to deactivate top-level device, set 'skip=1'
			# if it fails to do so - this will cause all the
			# device's subtree to be skipped when processing
			# devices further in this loop
			deactivate || skip=1
		done <<< "$($LSBLK -s)"
	else
		##################################
		# Process only specified devices #
		##################################

while test $# -ne 0; do
			# Unmount all relevant mountpoints first
			while $LSBLK_READ; do
				device_umount
			done <<< "$($LSBLK "$1" | $SORT_MNT)"

# Do deactivate
			# Single dm device tree deactivation.
			if test -b "$1"; then
				$LSBLK_READ <<< "$($LSBLK --nodeps "$1")"

# check if the device is not on the skip list already
				test -z "${SKIP_DEVICE_LIST["$kname"]}" || {
					shift
					continue
				}

deactivate
			else
				echo "$1: device not found"
				return 1
			fi
			shift
		done;
	fi
}

get_dmopts() {
	ORIG_IFS=$IFS; IFS=','

for opt in $1; do
		case $opt in
			"") ;;
			"retry") DMSETUP_OPTS+="--retry " ;;
			"force") DMSETUP_OPTS+="--force " ;;
			*) echo "$opt: unknown DM option"
		esac
	done

IFS=$ORIG_IFS
}

get_lvmopts() {
	ORIG_IFS=$IFS; IFS=','

for opt in $1; do
		case "$opt" in
			"") ;;
			"retry") LVM_CONFIG="activation{retry_deactivation=1}" ;;
			"wholevg") LVM_DO_WHOLE_VG=1 ;;
			*) echo "$opt: unknown LVM option"
		esac
	done

IFS=$ORIG_IFS
}

get_mdraidopts() {
	ORIG_IFS=$IFS; IFS=','

for opt in $1; do
		case "$opt" in
			"") ;;
			"wait") MDRAID_DO_WAIT=1 ;;
			*) echo "$opt: unknown MD RAID option"
		esac
	done

IFS=$ORIG_IFS
}

get_mpathopts() {
	ORIG_IFS=$IFS; IFS=','

for opt in $1; do
		case "$opt" in
			"") ;;
			"disablequeueing") MPATHD_DO_DISABLEQUEUEING=1 ;;
			*) echo "$opt: unknown DM-multipath option"
		esac
	done

IFS=$ORIG_IFS
}

set_env() {
	if test "$ERRORS" -eq "1"; then
		unset ERR
	else
		ERR="2>$DEV_DIR/null"
	fi

if test "$VERBOSE" -eq "1"; then
		unset OUT
		UMOUNT_OPTS+="-v"
		DMSETUP_OPTS+="-vvvv"
		LVM_OPTS+="-vvvv"
		MDADM_OPTS+="-vv"
		MPATHD_OPTS+="-v 3"
	else
		OUT="1>$DEV_DIR/null"
	fi

if test -f "$LVM"; then
		LVM_AVAILABLE=1
	else
		LVM_AVAILABLE=0
	fi

if test -f $MDADM; then
		MDADM_AVAILABLE=1
	else
		MDADM_AVAILABLE=0
	fi

MPATHD_RUNNING=0
	test "$MPATHD_DO_DISABLEQUEUEING" -eq 1 && {
		if test -f "$MPATHD"; then
			if eval "$MPATHD" show daemon "$ERR" | grep "running" >"$DEV_DIR/null"; then
				MPATHD_RUNNING=1
			fi
		fi
	}
}

while test $# -ne 0; do
	case "$1" in
		"") ;;
		"-e"|"--errors") ERRORS=1 ;;
		"-h"|"--help") usage ;;
		"-d"|"--dmoptions") get_dmopts "$2" ; shift ;;
		"-l"|"--lvmoptions") get_lvmopts "$2" ; shift ;;
		"-m"|"--mpathoptions") get_mpathopts "$2" ; shift ;;
		"-r"|"--mdraidoptions") get_mdraidopts "$2"; shift ;;
		"-u"|"--umount") DO_UMOUNT=1 ;;
		"-v"|"--verbose") VERBOSE=1 ; ERRORS=1 ;;
		"-vv") VERBOSE=1 ; ERRORS=1 ; set -x ;;
		*) break ;;
	esac
	shift
done

set_env
deactivate_all "$@"

cmd: