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Linux Stag-Enterprise-Staging-20-04 5.11.0-1019-aws #20~20.04.1-Ubuntu SMP Tue Sep 21 10:40:39 UTC 2021 x86_64
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Server: 172.31.9.152
Your IP: 216.73.216.236

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Name	Type	Size	Permissions	Modified	Actions
..	Parent	-	drwxr-xr-x	2026-04-10 12:14:14	-
aa-remove-unknown	File	3 KB	0755	2024-03-06 18:40:00
aa-status	File	8.63 KB	0755	2024-03-06 18:40:00
aa-teardown	File	139 B	0755	2019-06-17 23:55:38
add-shell	File	860 B	0755	2019-12-07 02:13:44
addgroup	File	36.9 KB	0755	2020-04-16 14:12:53
adduser	File	36.9 KB	0755	2020-04-16 14:12:53
agetty	File	67.38 KB	0755	2026-03-06 16:20:35
apparmor_parser	File	1.46 MB	0755	2024-03-06 18:40:00
apparmor_status	File	8.63 KB	0755	2024-03-06 18:40:00
arpd	File	78.27 KB	0755	2020-02-13 17:21:59
arptables	File	215.32 KB	0755	2023-05-09 18:39:57
arptables-nft	File	215.32 KB	0755	2023-05-09 18:39:57
arptables-nft-restore	File	215.32 KB	0755	2023-05-09 18:39:57
arptables-nft-save	File	215.32 KB	0755	2023-05-09 18:39:57
arptables-restore	File	215.32 KB	0755	2023-05-09 18:39:57
arptables-save	File	215.32 KB	0755	2023-05-09 18:39:57
badblocks	File	34.32 KB	0755	2023-10-09 01:56:01
blkdeactivate	File	14.49 KB	0755	2020-02-13 21:21:51
blkdiscard	File	34.23 KB	0755	2026-03-06 16:20:35
blkid	File	118.26 KB	0755	2026-03-06 16:20:35
blkzone	File	70.23 KB	0755	2026-03-06 16:20:35
blockdev	File	66.23 KB	0755	2026-03-06 16:20:35
bridge	File	102.3 KB	0755	2020-02-13 17:21:59
capsh	File	30.3 KB	0755	2025-02-20 16:01:08
cfdisk	File	102.59 KB	0755	2026-03-06 16:20:35
chcpu	File	46.23 KB	0755	2026-03-06 16:20:35
chgpasswd	File	66.2 KB	0755	2024-02-06 12:49:54
chmem	File	62.23 KB	0755	2026-03-06 16:20:35
chpasswd	File	58.2 KB	0755	2024-02-06 12:49:54
chroot	File	42.34 KB	0755	2019-09-05 10:38:40
cpgr	File	60.34 KB	0755	2024-02-06 12:49:54
cppw	File	60.34 KB	0755	2024-02-06 12:49:54
cryptdisks_start	File	1.51 KB	0755	2020-02-04 13:11:12
cryptdisks_stop	File	844 B	0755	2020-02-04 13:11:12
cryptsetup	File	135.54 KB	0755	2025-01-29 18:37:57
cryptsetup-reencrypt	File	105.32 KB	0755	2025-01-29 18:37:57
ctrlaltdel	File	38.23 KB	0755	2026-03-06 16:20:35
debugfs	File	225.8 KB	0755	2023-10-09 01:56:01
delgroup	File	16.11 KB	0755	2020-04-16 14:12:53
deluser	File	16.11 KB	0755	2020-04-16 14:12:53
depmod	File	170.34 KB	0755	2020-03-12 13:15:28
devlink	File	150.47 KB	0755	2020-02-13 17:21:59
dhclient	File	508.98 KB	0755	2023-01-31 22:10:35
dhclient-script	File	15.92 KB	0755	2023-01-31 22:10:35
dmsetup	File	171.02 KB	0755	2020-02-13 21:21:51
dmstats	File	171.02 KB	0755	2020-02-13 21:21:51
dosfsck	File	58.08 KB	0755	2018-05-12 22:59:39
dosfslabel	File	54.08 KB	0755	2018-05-12 22:59:39
dumpe2fs	File	30.38 KB	0755	2023-10-09 01:56:01
e2freefrag	File	18.38 KB	0755	2023-10-09 01:56:01
e2fsck	File	327.21 KB	0755	2023-10-09 01:56:01
e2image	File	42.38 KB	0755	2023-10-09 01:56:01
e2label	File	106.55 KB	0755	2023-10-09 01:56:01
e2mmpstatus	File	30.38 KB	0755	2023-10-09 01:56:01
e2scrub	File	7.13 KB	0755	2023-10-09 01:56:01
e2scrub_all	File	5.27 KB	0755	2023-10-09 01:56:01
e2undo	File	22.38 KB	0755	2023-10-09 01:56:01
e4crypt	File	30.38 KB	0755	2023-10-09 01:56:01
e4defrag	File	34.3 KB	0755	2023-10-09 01:56:01
ebtables	File	215.32 KB	0755	2023-05-09 18:39:57
ebtables-nft	File	215.32 KB	0755	2023-05-09 18:39:57
ebtables-nft-restore	File	215.32 KB	0755	2023-05-09 18:39:57
ebtables-nft-save	File	215.32 KB	0755	2023-05-09 18:39:57
ebtables-restore	File	215.32 KB	0755	2023-05-09 18:39:57
ebtables-save	File	215.32 KB	0755	2023-05-09 18:39:57
faillock	File	14.15 KB	0755	2024-01-10 13:55:08
fatlabel	File	54.08 KB	0755	2018-05-12 22:59:39
fdformat	File	34.23 KB	0755	2026-03-06 16:20:35
fdisk	File	150.27 KB	0755	2026-03-06 16:20:35
filefrag	File	18.33 KB	0755	2023-10-09 01:56:01
findfs	File	14.23 KB	0755	2026-03-06 16:20:35
fsck	File	54.27 KB	0755	2026-03-06 16:20:35
fsck.cramfs	File	38.26 KB	0755	2026-03-06 16:20:35
fsck.ext2	File	327.21 KB	0755	2023-10-09 01:56:01
fsck.ext3	File	327.21 KB	0755	2023-10-09 01:56:01
fsck.ext4	File	327.21 KB	0755	2023-10-09 01:56:01
fsck.fat	File	58.08 KB	0755	2018-05-12 22:59:39
fsck.minix	File	122.25 KB	0755	2026-03-06 16:20:35
fsck.msdos	File	58.08 KB	0755	2018-05-12 22:59:39
fsck.vfat	File	58.08 KB	0755	2018-05-12 22:59:39
fsfreeze	File	14.23 KB	0755	2026-03-06 16:20:35
fstab-decode	File	14.3 KB	0755	2020-02-13 18:38:21
fstrim	File	70.23 KB	0755	2026-03-06 16:20:35
genl	File	82.29 KB	0755	2020-02-13 17:21:59
getcap	File	14.3 KB	0755	2025-02-20 16:01:08
getpcaps	File	14.3 KB	0755	2025-02-20 16:01:08
getty	File	67.38 KB	0755	2026-03-06 16:20:35
groupadd	File	90.95 KB	0755	2024-02-06 12:49:54
groupdel	File	86.77 KB	0755	2024-02-06 12:49:54
groupmems	File	62.24 KB	0755	2024-02-06 12:49:54
groupmod	File	94.86 KB	0755	2024-02-06 12:49:54
grpck	File	62.18 KB	0755	2024-02-06 12:49:54
grpconv	File	58.05 KB	0755	2024-02-06 12:49:54
grpunconv	File	58.05 KB	0755	2024-02-06 12:49:54
halt	File	973.23 KB	0755	2023-03-02 12:58:02
hwclock	File	102.35 KB	0755	2026-03-06 16:20:35
iconvconfig	File	30.4 KB	0755	2026-01-30 08:05:14
init	File	1.55 MB	0755	2023-03-02 12:58:02
insmod	File	170.34 KB	0755	2020-03-12 13:15:28
installkernel	File	2.58 KB	0755	2019-12-07 02:13:44
integritysetup	File	60.23 KB	0755	2025-01-29 18:37:57
invoke-rc.d	File	16.64 KB	0755	2019-06-21 18:56:55
ip	File	597.62 KB	0755	2020-02-13 17:21:59
ip6tables	File	96.97 KB	0755	2023-05-09 18:39:57
ip6tables-apply	File	6.89 KB	0755	2023-05-09 18:39:57
ip6tables-legacy	File	96.97 KB	0755	2023-05-09 18:39:57
ip6tables-legacy-restore	File	96.97 KB	0755	2023-05-09 18:39:57
ip6tables-legacy-save	File	96.97 KB	0755	2023-05-09 18:39:57
ip6tables-nft	File	215.32 KB	0755	2023-05-09 18:39:57
ip6tables-nft-restore	File	215.32 KB	0755	2023-05-09 18:39:57
ip6tables-nft-save	File	215.32 KB	0755	2023-05-09 18:39:57
ip6tables-restore	File	96.97 KB	0755	2023-05-09 18:39:57
ip6tables-restore-translate	File	215.32 KB	0755	2023-05-09 18:39:57
ip6tables-save	File	96.97 KB	0755	2023-05-09 18:39:57
ip6tables-translate	File	215.32 KB	0755	2023-05-09 18:39:57
iptables	File	96.97 KB	0755	2023-05-09 18:39:57
iptables-apply	File	6.89 KB	0755	2023-05-09 18:39:57
iptables-legacy	File	96.97 KB	0755	2023-05-09 18:39:57
iptables-legacy-restore	File	96.97 KB	0755	2023-05-09 18:39:57
iptables-legacy-save	File	96.97 KB	0755	2023-05-09 18:39:57
iptables-nft	File	215.32 KB	0755	2023-05-09 18:39:57
iptables-nft-restore	File	215.32 KB	0755	2023-05-09 18:39:57
iptables-nft-save	File	215.32 KB	0755	2023-05-09 18:39:57
iptables-restore	File	96.97 KB	0755	2023-05-09 18:39:57
iptables-restore-translate	File	215.32 KB	0755	2023-05-09 18:39:57
iptables-save	File	96.97 KB	0755	2023-05-09 18:39:57
iptables-translate	File	215.32 KB	0755	2023-05-09 18:39:57
isosize	File	30.23 KB	0755	2026-03-06 16:20:35
killall5	File	26.38 KB	0755	2020-02-13 18:38:21
ldattach	File	34.23 KB	0755	2026-03-06 16:20:35
ldconfig	File	387 B	0755	2026-01-30 08:05:14
ldconfig.real	File	1 MB	0755	2026-01-30 08:05:14
logsave	File	14.16 KB	0755	2023-10-09 01:56:01
losetup	File	110.34 KB	0755	2026-03-06 16:20:35
lsmod	File	170.34 KB	0755	2020-03-12 13:15:28
luksformat	File	3.32 KB	0755	2020-02-04 13:11:12
mkdosfs	File	34.5 KB	0755	2018-05-12 22:59:39
mke2fs	File	134.62 KB	0755	2023-10-09 01:56:01
mkfs	File	14.23 KB	0755	2026-03-06 16:20:35
mkfs.bfs	File	34.23 KB	0755	2026-03-06 16:20:35
mkfs.cramfs	File	42.16 KB	0755	2026-03-06 16:20:35
mkfs.ext2	File	134.62 KB	0755	2023-10-09 01:56:01
mkfs.ext3	File	134.62 KB	0755	2023-10-09 01:56:01
mkfs.ext4	File	134.62 KB	0755	2023-10-09 01:56:01
mkfs.fat	File	34.5 KB	0755	2018-05-12 22:59:39
mkfs.minix	File	106.23 KB	0755	2026-03-06 16:20:35
mkfs.msdos	File	34.5 KB	0755	2018-05-12 22:59:39
mkfs.vfat	File	34.5 KB	0755	2018-05-12 22:59:39
mkhomedir_helper	File	22.17 KB	0755	2024-01-10 13:55:08
mklost+found	File	14.3 KB	0755	2023-10-09 01:56:01
mkswap	File	106.23 KB	0755	2026-03-06 16:20:35
modinfo	File	170.34 KB	0755	2020-03-12 13:15:28
modprobe	File	170.34 KB	0755	2020-03-12 13:15:28
netplan	File	798 B	0755	2024-06-28 16:59:34
newusers	File	98.8 KB	0755	2024-02-06 12:49:54
nfnl_osf	File	18.3 KB	0755	2023-05-09 18:39:57
nologin	File	14.3 KB	0755	2024-02-06 12:49:54
pam-auth-update	File	19.86 KB	0755	2021-09-17 06:05:34
pam_extrausers_chkpwd	File	42.16 KB	2755	2024-01-10 13:55:08
pam_extrausers_update	File	42.16 KB	0755	2024-01-10 13:55:08
pam_getenv	File	2.82 KB	0755	2020-08-12 00:15:04
pam_tally	File	14.16 KB	0755	2024-01-10 13:55:08
pam_tally2	File	18.16 KB	0755	2024-01-10 13:55:08
pam_timestamp_check	File	14.15 KB	0755	2024-01-10 13:55:08
pivot_root	File	14.23 KB	0755	2026-03-06 16:20:35
poweroff	File	973.23 KB	0755	2023-03-02 12:58:02
pwck	File	58.17 KB	0755	2024-02-06 12:49:54
pwconv	File	54.05 KB	0755	2024-02-06 12:49:54
pwunconv	File	54.05 KB	0755	2024-02-06 12:49:54
raw	File	14.23 KB	0755	2026-03-06 16:20:35
readprofile	File	22.26 KB	0755	2026-03-06 16:20:35
reboot	File	973.23 KB	0755	2023-03-02 12:58:02
remove-shell	File	904 B	0755	2019-12-07 02:13:44
resize2fs	File	66.38 KB	0755	2023-10-09 01:56:01
rfkill	File	50.23 KB	0755	2026-03-06 16:20:35
rmmod	File	170.34 KB	0755	2020-03-12 13:15:28
rmt	File	58.55 KB	0755	2023-12-05 05:16:50
rmt-tar	File	58.55 KB	0755	2023-12-05 05:16:50
rtacct	File	48.29 KB	0755	2020-02-13 17:21:59
rtcwake	File	46.23 KB	0755	2026-03-06 16:20:35
rtmon	File	78.24 KB	0755	2020-02-13 17:21:59
runlevel	File	973.23 KB	0755	2023-03-02 12:58:02
runuser	File	66.23 KB	0755	2026-03-06 16:20:35
service	File	9.04 KB	0755	2019-06-21 18:56:55
setcap	File	14.3 KB	0755	2025-02-20 16:01:08
sfdisk	File	138.23 KB	0755	2026-03-06 16:20:35
shadowconfig	File	885 B	0755	2021-07-14 22:08:18
shutdown	File	973.23 KB	0755	2023-03-02 12:58:02
sshd	File	863.79 KB	0755	2026-03-05 19:37:37
start-stop-daemon	File	47.32 KB	0755	2022-05-25 11:14:20
sulogin	File	50.23 KB	0755	2026-03-06 16:20:35
swaplabel	File	18.23 KB	0755	2026-03-06 16:20:35
swapoff	File	22.23 KB	0755	2026-03-06 16:20:35
swapon	File	50.23 KB	0755	2026-03-06 16:20:35
switch_root	File	14.23 KB	0755	2026-03-06 16:20:35
sysctl	File	30.23 KB	0755	2023-10-31 11:35:56
tarcat	File	936 B	0755	2023-12-05 05:16:50
tc	File	529.45 KB	0755	2020-02-13 17:21:59
telinit	File	973.23 KB	0755	2023-03-02 12:58:02
tipc	File	126.23 KB	0755	2020-02-13 17:21:59
tune2fs	File	106.55 KB	0755	2023-10-09 01:56:01
tzconfig	File	106 B	0755	2025-04-22 10:15:47
unix_chkpwd	File	42.15 KB	2755	2024-01-10 13:55:08
unix_update	File	42.15 KB	0755	2024-01-10 13:55:08
update-ca-certificates	File	5.29 KB	0755	2024-09-24 17:46:09
update-mime	File	9.18 KB	0755	2019-10-18 23:05:50
update-passwd	File	34.56 KB	0755	2019-12-16 23:51:51
update-rc.d	File	16.76 KB	0755	2019-06-21 18:56:55
useradd	File	143.71 KB	0755	2024-02-06 12:49:54
userdel	File	98.89 KB	0755	2024-02-06 12:49:54
usermod	File	139.49 KB	0755	2024-02-06 12:49:54
veritysetup	File	51.82 KB	0755	2025-01-29 18:37:57
vigr	File	68.55 KB	0755	2024-02-06 12:49:54
vipw	File	68.55 KB	0755	2024-02-06 12:49:54
visudo	File	218.2 KB	0755	2025-06-25 20:10:55
wipefs	File	46.23 KB	0755	2026-03-06 16:20:35
wpa_action	File	1.69 KB	0755	2019-08-13 23:12:36
wpa_cli	File	152.22 KB	0755	2025-02-24 20:14:55
wpa_supplicant	File	2.77 MB	0755	2025-02-24 20:14:55
xtables-legacy-multi	File	96.97 KB	0755	2023-05-09 18:39:57
xtables-monitor	File	215.32 KB	0755	2023-05-09 18:39:57
xtables-nft-multi	File	215.32 KB	0755	2023-05-09 18:39:57
zic	File	62.29 KB	0755	2026-01-30 08:05:14
zramctl	File	114.34 KB	0755	2026-03-06 16:20:35

#!/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 "$@"

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