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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

HOME

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) 2018 Oracle.  All Rights Reserved.
#
#  Author: Darrick J. Wong <darrick.wong@oracle.com>
#
#  This program is free software; you can redistribute it and/or
#  modify it under the terms of the GNU General Public License
#  as published by the Free Software Foundation; either version 2
#  of the License, or (at your option) any later version.
#
#  This program is distributed in the hope that it would be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.
#
#  You should have received a copy of the GNU General Public License
#  along with this program; if not, write the Free Software Foundation,
#  Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301, USA.

# Automatically check an LVM-managed filesystem online.
# We use lvm snapshots to do this, which means that we can only
# check filesystems in VGs that have at least 256MB (or so) of
# free space.

PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin

if (( $EUID != 0 )); then
    echo "e2scrub must be run as root"
    exit 1
fi

snap_size_mb=256
fstrim=0
reap=0
e2fsck_opts=""
conffile="/etc/e2scrub.conf"

test -f "${conffile}" && . "${conffile}"

print_help() {
	echo "Usage: $0 [OPTIONS] mountpoint | device"
	echo
	echo "mountpoint must be on an LVM-managed block device"
	echo "-n: Show what commands e2scrub would execute."
	echo "-r: Remove e2scrub snapshot and exit, do not check anything."
	echo "-t: Run fstrim if successful."
	echo "-V: Print version information and exit."
}

print_version() {
	echo "e2scrub 1.45.5 (07-Jan-2020)"
}

exitcode() {
	ret="$1"

# If we're being run as a service, the return code must fit the LSB
	# init script action error guidelines, which is to say that we
	# compress all errors to 1 ("generic or unspecified error", LSB 5.0
	# section 22.2) and hope the admin will scan the log for what
	# actually happened.

# We have to sleep 2 seconds here because journald uses the pid to
	# connect our log messages to the systemd service.  This is critical
	# for capturing all the log messages if the scrub fails, because the
	# fail service uses the service name to gather log messages for the
	# error report.
	if [ -n "${SERVICE_MODE}" -a "${ret}" -ne 0 ]; then
		test "${ret}" -ne 0 && ret=1
		sleep 2
	fi

exit "${ret}"
}

while getopts "nrtV" opt; do
    case "${opt}" in
	"n") DBG="echo Would execute: " ;;
	"r") reap=1;;
	"t") fstrim=1;;
	"V") print_version; exitcode 0;;
	*) print_help; exitcode 2;;
	esac
done
shift "$((OPTIND - 1))"

arg="$1"
if [ -z "${arg}" ]; then
	print_help
	exitcode 1
fi

if ! type lsblk >& /dev/null ; then
    echo "e2scrub: can't find lsblk --- is util-linux installed?"
    exitcode 1
fi

if ! type lvcreate >& /dev/null ; then
    echo "e2scrub: can't find lvcreate --- is lvm2 installed?"
    exitcode 1
fi

# close file descriptor 3 (from cron) since it causes lvm to kvetch
exec 3<&-

# Find the device for a given mountpoint
dev_from_mount() {
	local mountpt="$(realpath "$1")"

lsblk -o NAME,FSTYPE,MOUNTPOINT -p -P -n 2> /dev/null | while read vars; do
		eval "${vars}"
		if [ "${mountpt}" != "${MOUNTPOINT}" ]; then
			continue
		fi
		case "${FSTYPE}" in
		ext[234])
			echo "${NAME}"
			return 0
			;;
		esac
	done
	return 1
}

# Check a device argument
dev_from_arg() {
	local dev="$1"
	local fstype="$(lsblk -o FSTYPE -n "${dev}" 2> /dev/null)"

case "${fstype}" in
	ext[234])
		echo "${dev}"
		return 0
		;;
	esac
	return 1
}

mnt_from_dev() {
	local dev="$1"

if [ -n "${dev}" ]; then
		lsblk -o MOUNTPOINT -n "${dev}"
	fi
}

# Construct block device path and mountpoint from argument
if [ -b "${arg}" ]; then
	dev="$(dev_from_arg "${arg}")"
	mnt="$(mnt_from_dev "${dev}")"
else
	dev="$(dev_from_mount "${arg}")"
	mnt="${arg}"
fi
if [ ! -e "${dev}" ]; then
	echo "${arg}: Not an ext[234] filesystem."
	print_help
	exitcode 16
fi

# Make sure this is an LVM device we can snapshot
lvm_vars="$(lvs --nameprefixes -o name,vgname,lv_role --noheadings "${dev}" 2> /dev/null)"
eval "${lvm_vars}"
if [ -z "${LVM2_VG_NAME}" ] || [ -z "${LVM2_LV_NAME}" ] ||
   echo "${LVM2_LV_ROLE}" | grep -q "snapshot"; then
	echo "${arg}: Not connnected to an LVM logical volume."
	print_help
	exitcode 16
fi
start_time="$(date +'%Y%m%d%H%M%S')"
snap="${LVM2_LV_NAME}.e2scrub"
snap_dev="/dev/${LVM2_VG_NAME}/${snap}"

teardown() {
	# Remove and wait for removal to succeed.
	${DBG} lvremove -f "${LVM2_VG_NAME}/${snap}"
	while [ -e "${snap_dev}" ] && [ "$?" -eq "5" ]; do
		sleep 0.5
		${DBG} lvremove -f "${LVM2_VG_NAME}/${snap}"
	done
}

check() {
	# First we recover the journal, then we see if e2fsck tries any
	# non-optimization repairs.  If either of these two returns a
	# non-zero status (errors fixed or remaining) then this fs is bad.
	E2FSCK_FIXES_ONLY=1
	export E2FSCK_FIXES_ONLY
	${DBG} "/sbin/e2fsck" -E journal_only -p ${e2fsck_opts} "${snap_dev}" || return $?
	${DBG} "/sbin/e2fsck" -f -y ${e2fsck_opts} "${snap_dev}"
}

mark_clean() {
	${DBG} "/sbin/tune2fs" -C 0 -T "${start_time}" "${dev}"
}

mark_corrupt() {
	${DBG} "/sbin/tune2fs" -E force_fsck "${dev}"
}

setup() {
	# Try to remove snapshot for 30s, bail out if we can't remove it.
	lvremove_deadline="$(( $(date "+%s") + 30))"
	${DBG} lvremove -f "${LVM2_VG_NAME}/${snap}" 2>/dev/null
	while [ -e "${snap_dev}" ] && [ "$?" -eq "5" ] &&
	      [ "$(date "+%s")" -lt "${lvremove_deadline}" ]; do
		sleep 0.5
		${DBG} lvremove -f "${LVM2_VG_NAME}/${snap}"
	done
	if [ -e "${snap_dev}" ]; then
		echo "${arg}: e2scrub snapshot is in use, cannot check!"
		return 1
	fi
	# Create the snapshot, wait for device to appear.
	${DBG} lvcreate -s -L "${snap_size_mb}m" -n "${snap}" "${LVM2_VG_NAME}/${LVM2_LV_NAME}"
	if [ $? -ne 0 ]; then
		echo "${arg}: e2scrub snapshot FAILED, will not check!"
		return 1
	fi
	${DBG} udevadm settle 2> /dev/null
	return 0
}

if [ "${reap}" -gt 0 ]; then
	if [ -e "${snap_dev}" ]; then
		teardown 2> /dev/null
	fi
	exit 0
fi
if ! setup; then
	exitcode 8
fi
trap "teardown; exit 1" EXIT INT QUIT TERM

# Check and react
check
case "$?" in
"0")
	# Clean check!
	echo "${arg}: Scrub succeeded."
	mark_clean
	teardown
	trap '' EXIT

# Trim the free space, which requires the snapshot be deleted.
	if [ "${fstrim}" -eq 1 ] && [ -d "${mnt}" ] && type fstrim > /dev/null 2>&1; then
		echo "${arg}: Trimming free space."
		fstrim -v "${mnt}"
	fi

ret=0
	;;
"8")
	# Operational error, what now?
	echo "${arg}: e2fsck operational error."
	teardown
	trap '' EXIT
	ret=8
	;;
*)
	# fsck failed.  Check if the snapshot is invalid; if so, make a
	# note of that at the end of the log.  This isn't necessarily a
	# failure because the mounted fs could have overflowed the
	# snapshot with regular disk writes /or/ our repair process
	# could have done it by repairing too much.
	#
	# If it's really corrupt we ought to fsck at next boot.
	is_invalid="$(lvs -o lv_snapshot_invalid --noheadings "${snap_dev}" | awk '{print $1}')"
	if [ -n "${is_invalid}" ]; then
		echo "${arg}: Scrub FAILED due to invalid snapshot."
		ret=8
	else
		echo "${arg}: Scrub FAILED due to corruption!  Unmount and run e2fsck -y."
		mark_corrupt
		ret=6
	fi
	teardown
	trap '' EXIT
	;;
esac

exitcode "${ret}"

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