SM0 She11

Path: / / usr / sbin

Full Path (server): /usr/sbin

📄 accessdb [E] [D]
📄 addgnupghome [E] [D]
📄 addpart [E] [D]
📄 adduser [E] [D]
📄 agetty [E] [D]
📄 alternatives [E] [D]
📄 amavisd [E] [D]
📄 anacron [E] [D]
📄 applygnupgdefaults [E] [D]
📄 arp [E] [D]
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📄 arping [E] [D]
📄 atd [E] [D]
📄 atrun [E] [D]
📄 audispd [E] [D]
📄 auditctl [E] [D]
📄 auditd [E] [D]
📄 augenrules [E] [D]
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📄 authconfig [E] [D]
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📄 avcstat [E] [D]
📄 badblocks [E] [D]
📄 biosdecode [E] [D]
📄 blkdeactivate [E] [D]
📄 blkdiscard [E] [D]
📄 blkid [E] [D]
📄 blockdev [E] [D]
📄 bridge [E] [D]
📄 btrfs [E] [D]
📄 btrfs-convert [E] [D]
📄 btrfs-debug-tree [E] [D]
📄 btrfs-find-root [E] [D]
📄 btrfs-image [E] [D]
📄 btrfs-map-logical [E] [D]
📄 btrfs-select-super [E] [D]
📄 btrfs-zero-log [E] [D]
📄 btrfsck [E] [D]
📄 btrfstune [E] [D]
📄 build-locale-archive [E] [D]
📄 cacertdir_rehash [E] [D]
📄 capsh [E] [D]
📄 cbq [E] [D]
📄 cfdisk [E] [D]
📄 chcpu [E] [D]
📄 chgpasswd [E] [D]
📄 chkconfig [E] [D]
📄 chpasswd [E] [D]
📄 chronyd [E] [D]
📄 chroot [E] [D]
📄 clamd [E] [D]
📄 clamonacc [E] [D]
📄 clock [E] [D]
📄 clockdiff [E] [D]
📄 consoletype [E] [D]
📄 convertquota [E] [D]
📄 cracklib-check [E] [D]
📄 cracklib-format [E] [D]
📄 cracklib-packer [E] [D]
📄 cracklib-unpacker [E] [D]
📄 create-cracklib-dict [E] [D]
📄 crond [E] [D]
📄 csf [E] [D]
📄 ctrlaltdel [E] [D]
📄 ctstat [E] [D]
📄 ddns-confgen [E] [D]
📄 debugfs [E] [D]
📄 delpart [E] [D]
📄 depmod [E] [D]
📄 devlink [E] [D]
📄 dhclient [E] [D]
📄 dhclient-script [E] [D]
📄 dmfilemapd [E] [D]
📄 dmidecode [E] [D]
📄 dmsetup [E] [D]
📄 dmstats [E] [D]
📄 dnssec-checkds [E] [D]
📄 dnssec-coverage [E] [D]
📄 dnssec-dsfromkey [E] [D]
📄 dnssec-importkey [E] [D]
📄 dnssec-keyfromlabel [E] [D]
📄 dnssec-keygen [E] [D]
📄 dnssec-keymgr [E] [D]
📄 dnssec-revoke [E] [D]
📄 dnssec-settime [E] [D]
📄 dnssec-signzone [E] [D]
📄 dnssec-verify [E] [D]
📄 dovecot [E] [D]
📄 dracut [E] [D]
📄 dumpe2fs [E] [D]
📄 e2freefrag [E] [D]
📄 e2fsck [E] [D]
📄 e2image [E] [D]
📄 e2label [E] [D]
📄 e2undo [E] [D]
📄 e4defrag [E] [D]
📄 eapol_test [E] [D]
📄 edquota [E] [D]
📄 ether-wake [E] [D]
📄 ethtool [E] [D]
📄 faillock [E] [D]
📄 fdformat [E] [D]
📄 fdisk [E] [D]
📄 filefrag [E] [D]
📄 findfs [E] [D]
📄 fixfiles [E] [D]
📄 fsck [E] [D]
📄 fsck.btrfs [E] [D]
📄 fsck.cramfs [E] [D]
📄 fsck.ext2 [E] [D]
📄 fsck.ext3 [E] [D]
📄 fsck.ext4 [E] [D]
📄 fsck.minix [E] [D]
📄 fsck.xfs [E] [D]
📄 fsfreeze [E] [D]
📄 fstrim [E] [D]
📄 fuser [E] [D]
📄 genccode [E] [D]
📄 gencmn [E] [D]
📄 genhomedircon [E] [D]
📄 genhostid [E] [D]
📄 genl [E] [D]
📄 genl-ctrl-list [E] [D]
📄 gennorm2 [E] [D]
📄 genrandom [E] [D]
📄 gensprep [E] [D]
📄 getcap [E] [D]
📄 getenforce [E] [D]
📄 getpcaps [E] [D]
📄 getsebool [E] [D]
📄 glibc_post_upgrade.x86_64 [E] [D]
📄 groupadd [E] [D]
📄 groupdel [E] [D]
📄 groupmems [E] [D]
📄 groupmod [E] [D]
📄 grpck [E] [D]
📄 grpconv [E] [D]
📄 grpunconv [E] [D]
📄 grub2-bios-setup [E] [D]
📄 grub2-get-kernel-settings [E] [D]
📄 grub2-install [E] [D]
📄 grub2-macbless [E] [D]
📄 grub2-mkconfig [E] [D]
📄 grub2-ofpathname [E] [D]
📄 grub2-probe [E] [D]
📄 grub2-reboot [E] [D]
📄 grub2-rpm-sort [E] [D]
📄 grub2-set-default [E] [D]
📄 grub2-setpassword [E] [D]
📄 grub2-sparc64-setup [E] [D]
📄 grubby [E] [D]
📄 gss-server [E] [D]
📄 halt [E] [D]
📄 hardlink [E] [D]
📄 hwclock [E] [D]
📄 iconvconfig [E] [D]
📄 iconvconfig.x86_64 [E] [D]
📄 icupkg [E] [D]
📄 ifcfg [E] [D]
📄 ifconfig [E] [D]
📄 ifdown [E] [D]
📄 ifenslave [E] [D]
📄 ifstat [E] [D]
📄 ifup [E] [D]
📄 init [E] [D]
📄 insmod [E] [D]
📄 install-info [E] [D]
📄 installkernel [E] [D]
📄 intel-microcode2ucode [E] [D]
📄 ip [E] [D]
📄 ip6tables [E] [D]
📄 ip6tables-restore [E] [D]
📄 ip6tables-save [E] [D]
📄 ipmaddr [E] [D]
📄 iptables [E] [D]
📄 iptables-restore [E] [D]
📄 iptables-save [E] [D]
📄 iptunnel [E] [D]
📄 irqbalance [E] [D]
📄 isc-hmac-fixup [E] [D]
📄 kexec [E] [D]
📄 killall5 [E] [D]
📄 kpartx [E] [D]
📄 lchage [E] [D]
📄 ldattach [E] [D]
📄 ldconfig [E] [D]
📄 lfd [E] [D]
📄 lgroupadd [E] [D]
📄 lgroupdel [E] [D]
📄 lgroupmod [E] [D]
📄 lid [E] [D]
📄 lnewusers [E] [D]
📄 lnstat [E] [D]
📄 load_policy [E] [D]
📄 logrotate [E] [D]
📄 logsave [E] [D]
📄 losetup [E] [D]
📄 lpasswd [E] [D]
📄 lsmod [E] [D]
📄 lsof [E] [D]
📄 luseradd [E] [D]
📄 luserdel [E] [D]
📄 lusermod [E] [D]
📄 lwresd [E] [D]
📄 makedumpfile [E] [D]
📄 matchpathcon [E] [D]
📄 mii-diag [E] [D]
📄 mii-tool [E] [D]
📄 mkdict [E] [D]
📄 mkdumprd [E] [D]
📄 mke2fs [E] [D]
📄 mkfs [E] [D]
📄 mkfs.btrfs [E] [D]
📄 mkfs.cramfs [E] [D]
📄 mkfs.ext2 [E] [D]
📄 mkfs.ext3 [E] [D]
📄 mkfs.ext4 [E] [D]
📄 mkfs.minix [E] [D]
📄 mkfs.xfs [E] [D]
📄 mkhomedir_helper [E] [D]
📄 mklost+found [E] [D]
📄 mkswap [E] [D]
📄 modinfo [E] [D]
📄 modprobe [E] [D]
📄 mysqld [E] [D]
📄 named [E] [D]
📄 named-checkconf [E] [D]
📄 named-checkzone [E] [D]
📄 named-compilezone [E] [D]
📄 named-journalprint [E] [D]
📄 nameif [E] [D]
📄 netreport [E] [D]
📄 new-kernel-pkg [E] [D]
📄 newusers [E] [D]
📄 nl-class-add [E] [D]
📄 nl-class-delete [E] [D]
📄 nl-class-list [E] [D]
📄 nl-classid-lookup [E] [D]
📄 nl-cls-add [E] [D]
📄 nl-cls-delete [E] [D]
📄 nl-cls-list [E] [D]
📄 nl-link-list [E] [D]
📄 nl-pktloc-lookup [E] [D]
📄 nl-qdisc-add [E] [D]
📄 nl-qdisc-delete [E] [D]
📄 nl-qdisc-list [E] [D]
📄 nologin [E] [D]
📄 nsec3hash [E] [D]
📄 nstat [E] [D]
📄 ownership [E] [D]
📄 packer [E] [D]
📄 pam_console_apply [E] [D]
📄 pam_tally2 [E] [D]
📄 pam_timestamp_check [E] [D]
📄 paperconfig [E] [D]
📄 parted [E] [D]
📄 partprobe [E] [D]
📄 partx [E] [D]
📄 pflogsumm [E] [D]
📄 pidof [E] [D]
📄 ping6 [E] [D]
📄 pivot_root [E] [D]
📄 plipconfig [E] [D]
📄 pluginviewer [E] [D]
📄 portrelease [E] [D]
📄 portreserve [E] [D]
📄 postalias [E] [D]
📄 postcat [E] [D]
📄 postconf [E] [D]
📄 postdrop [E] [D]
📄 postfix [E] [D]
📄 postkick [E] [D]
📄 postlock [E] [D]
📄 postlog [E] [D]
📄 postmap [E] [D]
📄 postmulti [E] [D]
📄 postqueue [E] [D]
📄 postsuper [E] [D]
📄 poweroff [E] [D]
📄 ppp-watch [E] [D]
📄 pure-authd [E] [D]
📄 pure-config.pl [E] [D]
📄 pure-config.py [E] [D]
📄 pure-ftpd [E] [D]
📄 pure-ftpwho [E] [D]
📄 pure-mrtginfo [E] [D]
📄 pure-quotacheck [E] [D]
📄 pure-uploadscript [E] [D]
📄 pwck [E] [D]
📄 pwconv [E] [D]
📄 pwhistory_helper [E] [D]
📄 pwunconv [E] [D]
📄 qshape [E] [D]
📄 quot [E] [D]
📄 quotacheck [E] [D]
📄 quotaoff [E] [D]
📄 quotaon [E] [D]
📄 quotastats [E] [D]
📄 rcmysql [E] [D]
📄 rdisc [E] [D]
📄 rdma [E] [D]
📄 readprofile [E] [D]
📄 reboot [E] [D]
📄 repquota [E] [D]
📄 resize2fs [E] [D]
📄 resizepart [E] [D]
📄 restorecon [E] [D]
📄 rmmod [E] [D]
📄 rndc [E] [D]
📄 rndc-confgen [E] [D]
📄 route [E] [D]
📄 routef [E] [D]
📄 routel [E] [D]
📄 rpc.rquotad [E] [D]
📄 rpcbind [E] [D]
📄 rpcinfo [E] [D]
📄 rsyslogd [E] [D]
📄 rtacct [E] [D]
📄 rtcwake [E] [D]
📄 rtmon [E] [D]
📄 rtpr [E] [D]
📄 rtstat [E] [D]
📄 runlevel [E] [D]
📄 runuser [E] [D]
📄 safe_finger [E] [D]
📄 sasl2-shared-mechlist [E] [D]
📄 saslauthd [E] [D]
📄 sasldblistusers2 [E] [D]
📄 saslpasswd2 [E] [D]
📄 sefcontext_compile [E] [D]
📄 selabel_digest [E] [D]
📄 selabel_lookup [E] [D]
📄 selabel_lookup_best_match [E] [D]
📄 selabel_partial_match [E] [D]
📄 selinux_restorecon [E] [D]
📄 selinuxconlist [E] [D]
📄 selinuxdefcon [E] [D]
📄 selinuxenabled [E] [D]
📄 selinuxexeccon [E] [D]
📄 semanage [E] [D]
📄 semodule [E] [D]
📄 sendmail [E] [D]
📄 sendmail.postfix [E] [D]
📄 service [E] [D]
📄 sestatus [E] [D]
📄 setcap [E] [D]
📄 setenforce [E] [D]
📄 setfiles [E] [D]
📄 setquota [E] [D]
📄 setsebool [E] [D]
📄 sfdisk [E] [D]
📄 shutdown [E] [D]
📄 sim_server [E] [D]
📄 slattach [E] [D]
📄 sln [E] [D]
📄 smtp-sink [E] [D]
📄 smtp-source [E] [D]
📄 snmpd [E] [D]
📄 snmptrapd [E] [D]
📄 ss [E] [D]
📄 sshd [E] [D]
📄 sshd-keygen [E] [D]
📄 sulogin [E] [D]
📄 sushell [E] [D]
📄 swaplabel [E] [D]
📄 swapoff [E] [D]
📄 swapon [E] [D]
📄 switch_root [E] [D]
📄 sys-unconfig [E] [D]
📄 sysctl [E] [D]
📄 tc [E] [D]
📄 tcpd [E] [D]
📄 tcpdmatch [E] [D]
📄 tcsd [E] [D]
📄 telinit [E] [D]
📄 testsaslauthd [E] [D]
📄 tmpwatch [E] [D]
📄 tracepath [E] [D]
📄 tracepath6 [E] [D]
📄 try-from [E] [D]
📄 tsig-keygen [E] [D]
📄 tune2fs [E] [D]
📄 tuned [E] [D]
📄 tuned-adm [E] [D]
📄 udevadm [E] [D]
📄 unix_chkpwd [E] [D]
📄 unix_update [E] [D]
📄 update-alternatives [E] [D]
📄 useradd [E] [D]
📄 userdel [E] [D]
📄 userhelper [E] [D]
📄 usermod [E] [D]
📄 usernetctl [E] [D]
📄 uuserver [E] [D]
📄 vigr [E] [D]
📄 vipw [E] [D]
📄 virt-what [E] [D]
📄 visudo [E] [D]
📄 vmcore-dmesg [E] [D]
📄 vpddecode [E] [D]
📄 weak-modules [E] [D]
📄 wipefs [E] [D]
📄 wpa_cli [E] [D]
📄 wpa_passphrase [E] [D]
📄 wpa_supplicant [E] [D]
📄 xfs_admin [E] [D]
📄 xfs_bmap [E] [D]
📄 xfs_copy [E] [D]
📄 xfs_db [E] [D]
📄 xfs_estimate [E] [D]
📄 xfs_freeze [E] [D]
📄 xfs_fsr [E] [D]
📄 xfs_growfs [E] [D]
📄 xfs_info [E] [D]
📄 xfs_io [E] [D]
📄 xfs_logprint [E] [D]
📄 xfs_mdrestore [E] [D]
📄 xfs_metadump [E] [D]
📄 xfs_mkfile [E] [D]
📄 xfs_ncheck [E] [D]
📄 xfs_quota [E] [D]
📄 xfs_repair [E] [D]
📄 xfs_rtcp [E] [D]
📄 xqmstats [E] [D]
📄 xtables-multi [E] [D]
📄 yum-complete-transaction [E] [D]
📄 yumdb [E] [D]
📄 zdump [E] [D]
📄 zic [E] [D]
📄 zramctl [E] [D]

Editing: blkdeactivate

#!/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="/usr/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="/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 "$@"