FM / sbin

/snap/core22/2437/usr/sbin

Name	Size	Mode	Actions
aa-remove-unknown	3068	0755	edit dl rm
aa-status	64120	0755	edit dl rm
aa-teardown	137	0755	edit dl rm
add-shell	1051	0755	edit dl rm
addgroup	38247	0755	edit dl rm
adduser	38247	0755	edit dl rm
agetty	56896	0755	edit dl rm
apparmor_parser	1548064	0755	edit dl rm
apparmor_status	64120	0755	edit dl rm
arpd	26960	0755	edit dl rm
arptables	224296	0755	edit dl rm
arptables-nft	224296	0755	edit dl rm
arptables-nft-restore	224296	0755	edit dl rm
arptables-nft-save	224296	0755	edit dl rm
arptables-restore	224296	0755	edit dl rm
arptables-save	224296	0755	edit dl rm
badblocks	35144	0755	edit dl rm
blkdeactivate	16351	0755	edit dl rm
blkdiscard	22912	0755	edit dl rm
blkid	51624	0755	edit dl rm
blkzone	35200	0755	edit dl rm
blockdev	31104	0755	edit dl rm
bridge	94712	0755	edit dl rm
capsh	31032	0755	edit dl rm
cfdisk	97008	0755	edit dl rm
chcpu	31104	0755	edit dl rm
chgpasswd	59528	0755	edit dl rm
chmem	35200	0755	edit dl rm
chpasswd	55464	0755	edit dl rm
chroot	39432	0755	edit dl rm
cpgr	49448	0755	edit dl rm
cppw	49448	0755	edit dl rm
cryptdisks_start	1544	0755	edit dl rm
cryptdisks_stop	844	0755	edit dl rm
cryptsetup	174000	0755	edit dl rm
cryptsetup-reencrypt	92544	0755	edit dl rm
cryptsetup-ssh	24096	0755	edit dl rm
ctrlaltdel	14720	0755	edit dl rm
dcb	82448	0755	edit dl rm
debugfs	235320	0755	edit dl rm
delgroup	16495	0755	edit dl rm
deluser	16495	0755	edit dl rm
depmod	170352	0755	edit dl rm
devlink	146288	0755	edit dl rm
dhclient	453280	0755	edit dl rm
dhclient-script	16304	0755	edit dl rm
dmsetup	175128	0755	edit dl rm
dmstats	175128	0755	edit dl rm
dosfsck	84360	0755	edit dl rm
dosfslabel	39304	0755	edit dl rm
dumpe2fs	31040	0755	edit dl rm
e2freefrag	14648	0755	edit dl rm
e2fsck	360280	0755	edit dl rm
e2image	43328	0755	edit dl rm
e2label	105016	0755	edit dl rm
e2mmpstatus	31040	0755	edit dl rm
e2scrub	7296	0755	edit dl rm
e2scrub_all	5395	0755	edit dl rm
e2undo	22840	0755	edit dl rm
e4crypt	31104	0755	edit dl rm
e4defrag	31032	0755	edit dl rm
ebtables	224296	0755	edit dl rm
ebtables-nft	224296	0755	edit dl rm
ebtables-nft-restore	224296	0755	edit dl rm
ebtables-nft-save	224296	0755	edit dl rm
ebtables-restore	224296	0755	edit dl rm
ebtables-save	224296	0755	edit dl rm
faillock	14488	0755	edit dl rm
fatlabel	39304	0755	edit dl rm
fdisk	113072	0755	edit dl rm
filefrag	18760	0755	edit dl rm
findfs	14720	0755	edit dl rm
fsck	43440	0755	edit dl rm
fsck.cramfs	31168	0755	edit dl rm
fsck.ext2	360280	0755	edit dl rm
fsck.ext3	360280	0755	edit dl rm
fsck.ext4	360280	0755	edit dl rm
fsck.fat	84360	0755	edit dl rm
fsck.minix	55712	0755	edit dl rm
fsck.msdos	84360	0755	edit dl rm
fsck.vfat	84360	0755	edit dl rm
fsfreeze	14720	0755	edit dl rm
fstab-decode	18744	0755	edit dl rm
fstrim	43392	0755	edit dl rm
genl	92608	0755	edit dl rm
getcap	14648	0755	edit dl rm
getpcaps	14648	0755	edit dl rm
getty	56896	0755	edit dl rm
groupadd	68520	0755	edit dl rm
groupdel	64232	0755	edit dl rm
groupmems	55488	0755	edit dl rm
groupmod	68424	0755	edit dl rm
grpck	59528	0755	edit dl rm
grpconv	51208	0755	edit dl rm
grpunconv	51208	0755	edit dl rm
halt	1119856	0755	edit dl rm
hwclock	51712	0755	edit dl rm
iconvconfig	31128	0755	edit dl rm
init	1849992	0755	edit dl rm
insmod	170352	0755	edit dl rm
installkernel	2659	0755	edit dl rm
integritysetup	55368	0755	edit dl rm
invoke-rc.d	16507	0755	edit dl rm
ip	718896	0755	edit dl rm
ip6tables	224296	0755	edit dl rm
ip6tables-apply	7057	0755	edit dl rm
ip6tables-legacy	99272	0755	edit dl rm
ip6tables-legacy-restore	99272	0755	edit dl rm
ip6tables-legacy-save	99272	0755	edit dl rm
ip6tables-nft	224296	0755	edit dl rm
ip6tables-nft-restore	224296	0755	edit dl rm
ip6tables-nft-save	224296	0755	edit dl rm
ip6tables-restore	224296	0755	edit dl rm
ip6tables-restore-translate	224296	0755	edit dl rm
ip6tables-save	224296	0755	edit dl rm
ip6tables-translate	224296	0755	edit dl rm
iptables	224296	0755	edit dl rm
iptables-apply	7057	0755	edit dl rm
iptables-legacy	99272	0755	edit dl rm
iptables-legacy-restore	99272	0755	edit dl rm
iptables-legacy-save	99272	0755	edit dl rm
iptables-nft	224296	0755	edit dl rm
iptables-nft-restore	224296	0755	edit dl rm
iptables-nft-save	224296	0755	edit dl rm
iptables-restore	224296	0755	edit dl rm
iptables-restore-translate	224296	0755	edit dl rm
iptables-save	224296	0755	edit dl rm
iptables-translate	224296	0755	edit dl rm
isosize	14720	0755	edit dl rm
killall5	31112	0755	edit dl rm
ldattach	27008	0755	edit dl rm
ldconfig	387	0755	edit dl rm
ldconfig.real	1213960	0755	edit dl rm
logsave	14496	0755	edit dl rm
losetup	72208	0755	edit dl rm
lsmod	170352	0755	edit dl rm
luksformat	3401	0755	edit dl rm
mkdosfs	52048	0755	edit dl rm
mke2fs	133752	0755	edit dl rm
mkfs	14720	0755	edit dl rm
mkfs.bfs	22912	0755	edit dl rm
mkfs.cramfs	35144	0755	edit dl rm
mkfs.ext2	133752	0755	edit dl rm
mkfs.ext3	133752	0755	edit dl rm
mkfs.ext4	133752	0755	edit dl rm
mkfs.fat	52048	0755	edit dl rm
mkfs.minix	43408	0755	edit dl rm
mkfs.msdos	52048	0755	edit dl rm
mkfs.vfat	52048	0755	edit dl rm
mkhomedir_helper	22704	0755	edit dl rm
mklost+found	14648	0755	edit dl rm
mkswap	47496	0755	edit dl rm
modinfo	170352	0755	edit dl rm
modprobe	170352	0755	edit dl rm
netplan	798	0755	edit dl rm
newusers	76520	0755	edit dl rm
nfnl_osf	18736	0755	edit dl rm
nologin	14640	0755	edit dl rm
pam-auth-update	20992	0755	edit dl rm
pam_extrausers_chkpwd	22680	2755	edit dl rm
pam_extrausers_update	30872	0755	edit dl rm
pam_getenv	2890	0755	edit dl rm
pam_timestamp_check	14488	0755	edit dl rm
pivot_root	14720	0755	edit dl rm
plymouthd	154168	0755	edit dl rm
poweroff	1119856	0755	edit dl rm
pwck	51336	0755	edit dl rm
pwconv	47112	0755	edit dl rm
pwunconv	43016	0755	edit dl rm
readprofile	22944	0755	edit dl rm
reboot	1119856	0755	edit dl rm
remove-shell	1099	0755	edit dl rm
resize2fs	67896	0755	edit dl rm
rfkill	30952	0755	edit dl rm
rmmod	170352	0755	edit dl rm
rmt	59976	0755	edit dl rm
rmt-tar	59976	0755	edit dl rm
rtacct	28992	0755	edit dl rm
rtcwake	35200	0755	edit dl rm
rtmon	92560	0755	edit dl rm
runlevel	1119856	0755	edit dl rm
runuser	55680	0755	edit dl rm
service	9097	0755	edit dl rm
setcap	14648	0755	edit dl rm
sfdisk	104832	0755	edit dl rm
shadowconfig	885	0755	edit dl rm
shutdown	1119856	0755	edit dl rm
sshd	921288	0755	edit dl rm
start-stop-daemon	48488	0755	edit dl rm
sudo_logsrvd	204904	0755	edit dl rm
sudo_sendlog	109912	0755	edit dl rm
sulogin	43392	0755	edit dl rm
swaplabel	18816	0755	edit dl rm
swapoff	22912	0755	edit dl rm
swapon	43392	0755	edit dl rm
switch_root	22912	0755	edit dl rm
sysctl	30960	0755	edit dl rm
tarcat	936	0755	edit dl rm
tc	628816	0755	edit dl rm
telinit	1119856	0755	edit dl rm
tipc	92608	0755	edit dl rm
tune2fs	105016	0755	edit dl rm
tzconfig	106	0755	edit dl rm
unix_chkpwd	26776	2755	edit dl rm
unix_update	30872	0755	edit dl rm
update-ca-certificates	5418	0755	edit dl rm
update-passwd	35392	0755	edit dl rm
update-rc.d	17324	0755	edit dl rm
update-shells	3806	0755	edit dl rm
useradd	130720	0755	edit dl rm
userdel	88936	0755	edit dl rm
usermod	126424	0755	edit dl rm
vdpa	31296	0755	edit dl rm
veritysetup	44808	0755	edit dl rm
vigr	57888	0755	edit dl rm
vipw	57888	0755	edit dl rm
visudo	225064	0755	edit dl rm
wipefs	39296	0755	edit dl rm
wpa_action	1735	0755	edit dl rm
wpa_cli	143680	0755	edit dl rm
wpa_supplicant	3397048	0755	edit dl rm
xtables-legacy-multi	99272	0755	edit dl rm
xtables-monitor	224296	0755	edit dl rm
xtables-nft-multi	224296	0755	edit dl rm
zic	63816	0755	edit dl rm
zramctl	55824	0755	edit dl rm

Edit: /snap/core22/2437/usr/sbin/blkdeactivate (16351B)

#!/bin/bash
#
# Copyright (C) 2012-2020 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"
VDO="/bin/vdo"

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=""
VDO_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 "    -o | --vdooptions    VDO_OPTIONS    Comma separated VDO 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"
        echo "    VDO_OPTIONS:"
        echo "      configfile=file use specified VDO configuration file"

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

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

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

echo -n "  [VDO]: deactivating VDO volume $xname... "
        if eval "$VDO" stop $VDO_OPTS --name="$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 "$devtype" = "vdo"; then
                deactivate_vdo
	elif test "${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
}

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

for opt in $1; do
                case "$opt" in
                        "") ;;
                        configfile=*) tmp=${opt#*=}; VDO_OPTS+="--confFile=${tmp%%,*} " ;;
                        *) echo "$opt: unknown VDO 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 "$VERBOSE" -eq "1"; then
		unset OUT
		UMOUNT_OPTS+="-v"
		DMSETUP_OPTS+="-vvvv"
		LVM_OPTS+="-vvvv"
		MDADM_OPTS+="-vv"
		MPATHD_OPTS+="-v 3"
                VDO_OPTS+="--verbose "
	else
		OUT="1>$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

if test -f $VDO; then
                VDO_AVAILABLE=1
        else
                VDO_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 ;;
                "-o"|"--vdooptions") get_vdoopts "$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: