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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	2026-03-17 03:54:11	-
aa-load	File	38.75 KB	0755	2025-08-15 12:16:02
aa-remove-unknown	File	3.15 KB	0755	2025-08-15 12:16:02
aa-status	File	39.06 KB	0755	2025-08-15 12:16:02
aa-teardown	File	137 B	0755	2024-04-12 03:59:30
add-shell	File	1.03 KB	0755	2024-03-31 08:47:33
agetty	File	59.56 KB	0755	2026-03-06 16:00:54
apparmor_parser	File	1.55 MB	0755	2025-08-15 12:16:02
apparmor_status	File	39.06 KB	0755	2025-08-15 12:16:02
arpd	File	26.33 KB	0755	2025-07-10 14:46:54
arptables	File	219.16 KB	0755	2024-04-08 15:59:59
arptables-nft	File	219.16 KB	0755	2024-04-08 15:59:59
arptables-nft-restore	File	219.16 KB	0755	2024-04-08 15:59:59
arptables-nft-save	File	219.16 KB	0755	2024-04-08 15:59:59
arptables-restore	File	219.16 KB	0755	2024-04-08 15:59:59
arptables-save	File	219.16 KB	0755	2024-04-08 15:59:59
badblocks	File	34.32 KB	0755	2024-04-28 23:44:46
blkdeactivate	File	15.97 KB	0755	2024-11-27 19:06:49
blkdiscard	File	22.38 KB	0755	2026-03-06 16:00:54
blkid	File	54.41 KB	0755	2026-03-06 16:00:54
blkzone	File	34.38 KB	0755	2026-03-06 16:00:54
blockdev	File	34.38 KB	0755	2026-03-06 16:00:54
bridge	File	108.49 KB	0755	2025-07-10 14:46:54
capsh	File	57.09 KB	0755	2025-02-20 15:49:57
cfdisk	File	94.73 KB	0755	2026-03-06 16:00:54
chcpu	File	30.38 KB	0755	2026-03-06 16:00:54
chgpasswd	File	58.32 KB	0755	2024-05-30 14:52:35
chmem	File	34.38 KB	0755	2026-03-06 16:00:54
chpasswd	File	54.43 KB	0755	2024-05-30 14:52:35
chroot	File	38.51 KB	0755	2025-06-22 16:21:39
cpgr	File	48.45 KB	0755	2024-05-30 14:52:35
cppw	File	48.45 KB	0755	2024-05-30 14:52:35
cryptdisks_start	File	1.51 KB	0755	2024-06-05 13:46:49
cryptdisks_stop	File	844 B	0755	2024-06-05 13:46:49
cryptsetup	File	225.9 KB	0755	2024-11-14 03:44:47
ctrlaltdel	File	14.38 KB	0755	2026-03-06 16:00:54
dcb	File	80.52 KB	0755	2025-07-10 14:46:54
debugfs	File	225.87 KB	0755	2024-04-28 23:44:46
depmod	File	170.24 KB	0755	2024-10-02 12:40:49
devlink	File	150.86 KB	0755	2025-07-10 14:46:54
dhcpcd	File	395.4 KB	0755	2025-11-13 17:47:30
dmsetup	File	171.05 KB	0755	2024-11-27 19:06:49
dmstats	File	171.05 KB	0755	2024-11-27 19:06:49
dosfsck	File	78.38 KB	0755	2024-03-31 08:49:11
dosfslabel	File	38.38 KB	0755	2024-03-31 08:49:11
dumpe2fs	File	34.31 KB	0755	2024-04-28 23:44:46
e2freefrag	File	18.3 KB	0755	2024-04-28 23:44:46
e2fsck	File	364.34 KB	0755	2024-04-28 23:44:46
e2image	File	42.31 KB	0755	2024-04-28 23:44:46
e2label	File	110.56 KB	0755	2024-04-28 23:44:46
e2mmpstatus	File	34.31 KB	0755	2024-04-28 23:44:46
e2scrub	File	7.12 KB	0755	2024-04-28 23:44:46
e2scrub_all	File	5.27 KB	0755	2024-04-28 23:44:46
e2undo	File	22.3 KB	0755	2024-04-28 23:44:46
e4crypt	File	30.38 KB	0755	2024-04-28 23:44:46
e4defrag	File	34.3 KB	0755	2024-04-28 23:44:46
ebtables	File	219.16 KB	0755	2024-04-08 15:59:59
ebtables-nft	File	219.16 KB	0755	2024-04-08 15:59:59
ebtables-nft-restore	File	219.16 KB	0755	2024-04-08 15:59:59
ebtables-nft-save	File	219.16 KB	0755	2024-04-08 15:59:59
ebtables-restore	File	219.16 KB	0755	2024-04-08 15:59:59
ebtables-save	File	219.16 KB	0755	2024-04-08 15:59:59
ebtables-translate	File	219.16 KB	0755	2024-04-08 15:59:59
ethtool	File	651.68 KB	0755	2024-04-08 15:57:18
faillock	File	22.31 KB	0755	2025-09-15 12:37:15
fatlabel	File	38.38 KB	0755	2024-03-31 08:49:11
fdisk	File	114.42 KB	0755	2026-03-06 16:00:54
filefrag	File	18.32 KB	0755	2024-04-28 23:44:46
findfs	File	14.38 KB	0755	2026-03-06 16:00:54
fsck	File	42.42 KB	0755	2026-03-06 16:00:54
fsck.cramfs	File	30.44 KB	0755	2026-03-06 16:00:54
fsck.ext2	File	364.34 KB	0755	2024-04-28 23:44:46
fsck.ext3	File	364.34 KB	0755	2024-04-28 23:44:46
fsck.ext4	File	364.34 KB	0755	2024-04-28 23:44:46
fsck.fat	File	78.38 KB	0755	2024-03-31 08:49:11
fsck.minix	File	54.41 KB	0755	2026-03-06 16:00:54
fsck.msdos	File	78.38 KB	0755	2024-03-31 08:49:11
fsck.vfat	File	78.38 KB	0755	2024-03-31 08:49:11
fsfreeze	File	14.38 KB	0755	2026-03-06 16:00:54
fstab-decode	File	14.3 KB	0755	2024-04-08 16:20:36
fstrim	File	42.38 KB	0755	2026-03-06 16:00:54
genl	File	120.58 KB	0755	2025-07-10 14:46:54
getcap	File	14.3 KB	0755	2025-02-20 15:49:57
getpcaps	File	14.3 KB	0755	2025-02-20 15:49:57
getty	File	59.56 KB	0755	2026-03-06 16:00:54
groupadd	File	71.13 KB	0755	2024-05-30 14:52:35
groupdel	File	62.91 KB	0755	2024-05-30 14:52:35
groupmems	File	58.34 KB	0755	2024-05-30 14:52:35
groupmod	File	71.04 KB	0755	2024-05-30 14:52:35
grpck	File	58.32 KB	0755	2024-05-30 14:52:35
grpconv	File	50.16 KB	0755	2024-05-30 14:52:35
grpunconv	File	50.16 KB	0755	2024-05-30 14:52:35
halt	File	1.43 MB	0755	2025-11-25 18:16:31
iconvconfig	File	34.47 KB	0755	2026-01-30 08:27:54
init	File	98.45 KB	0755	2025-11-25 18:16:31
insmod	File	170.24 KB	0755	2024-10-02 12:40:49
installkernel	File	2.6 KB	0755	2024-03-31 08:47:33
integritysetup	File	67.06 KB	0755	2024-11-14 03:44:47
invoke-rc.d	File	16.13 KB	0755	2023-12-06 07:46:52
ip	File	597.62 KB	0755	2020-02-13 17:21:59
ip6tables	File	219.16 KB	0755	2024-04-08 15:59:59
ip6tables-apply	File	6.89 KB	0755	2023-08-12 22:33:39
ip6tables-legacy	File	92.95 KB	0755	2024-04-08 15:59:59
ip6tables-legacy-restore	File	92.95 KB	0755	2024-04-08 15:59:59
ip6tables-legacy-save	File	92.95 KB	0755	2024-04-08 15:59:59
ip6tables-nft	File	219.16 KB	0755	2024-04-08 15:59:59
ip6tables-nft-restore	File	219.16 KB	0755	2024-04-08 15:59:59
ip6tables-nft-save	File	219.16 KB	0755	2024-04-08 15:59:59
ip6tables-restore	File	219.16 KB	0755	2024-04-08 15:59:59
ip6tables-restore-translate	File	219.16 KB	0755	2024-04-08 15:59:59
ip6tables-save	File	219.16 KB	0755	2024-04-08 15:59:59
ip6tables-translate	File	219.16 KB	0755	2024-04-08 15:59:59
iptables	File	219.16 KB	0755	2024-04-08 15:59:59
iptables-apply	File	6.89 KB	0755	2023-08-12 22:33:39
iptables-legacy	File	92.95 KB	0755	2024-04-08 15:59:59
iptables-legacy-restore	File	92.95 KB	0755	2024-04-08 15:59:59
iptables-legacy-save	File	92.95 KB	0755	2024-04-08 15:59:59
iptables-nft	File	219.16 KB	0755	2024-04-08 15:59:59
iptables-nft-restore	File	219.16 KB	0755	2024-04-08 15:59:59
iptables-nft-save	File	219.16 KB	0755	2024-04-08 15:59:59
iptables-restore	File	219.16 KB	0755	2024-04-08 15:59:59
iptables-restore-translate	File	219.16 KB	0755	2024-04-08 15:59:59
iptables-save	File	219.16 KB	0755	2024-04-08 15:59:59
iptables-translate	File	219.16 KB	0755	2024-04-08 15:59:59
isosize	File	14.38 KB	0755	2026-03-06 16:00:54
killall5	File	26.23 KB	0755	2024-04-08 16:20:36
ldattach	File	26.38 KB	0755	2026-03-06 16:00:54
ldconfig	File	387 B	0755	2026-01-30 08:27:54
ldconfig.real	File	1 MB	0755	2026-01-30 08:27:54
logsave	File	14.16 KB	0755	2024-04-28 23:44:46
losetup	File	74.52 KB	0755	2026-03-06 16:00:54
lsmod	File	170.24 KB	0755	2024-10-02 12:40:49
mkdosfs	File	50.83 KB	0755	2024-03-31 08:49:11
mke2fs	File	130.62 KB	0755	2024-04-28 23:44:46
mkfs	File	14.38 KB	0755	2026-03-06 16:00:54
mkfs.bfs	File	22.38 KB	0755	2026-03-06 16:00:54
mkfs.cramfs	File	34.32 KB	0755	2026-03-06 16:00:54
mkfs.ext2	File	130.62 KB	0755	2024-04-28 23:44:46
mkfs.ext3	File	130.62 KB	0755	2024-04-28 23:44:46
mkfs.ext4	File	130.62 KB	0755	2024-04-28 23:44:46
mkfs.fat	File	50.83 KB	0755	2024-03-31 08:49:11
mkfs.minix	File	42.39 KB	0755	2026-03-06 16:00:54
mkfs.msdos	File	50.83 KB	0755	2024-03-31 08:49:11
mkfs.vfat	File	50.83 KB	0755	2024-03-31 08:49:11
mkhomedir_helper	File	22.34 KB	0755	2025-09-15 12:37:15
mklost+found	File	14.3 KB	0755	2024-04-28 23:44:46
mkswap	File	50.38 KB	0755	2026-03-06 16:00:54
modinfo	File	170.24 KB	0755	2024-10-02 12:40:49
modprobe	File	170.24 KB	0755	2024-10-02 12:40:49
netplan	File	802 B	0755	2025-01-20 18:19:16
newusers	File	86.96 KB	0755	2024-05-30 14:52:35
nfnl_osf	File	18.3 KB	0755	2024-04-08 15:59:59
nologin	File	14.3 KB	0755	2024-05-30 14:52:35
pam_extrausers_chkpwd	File	26.31 KB	2755	2025-09-15 12:37:15
pam_extrausers_update	File	34.31 KB	0755	2025-09-15 12:37:15
pam_namespace_helper	File	467 B	0755	2025-09-15 12:37:15
pam_timestamp_check	File	14.31 KB	0755	2025-09-15 12:37:15
pivot_root	File	14.38 KB	0755	2026-03-06 16:00:54
plymouthd	File	146.57 KB	0755	2025-02-25 05:47:08
poweroff	File	1.43 MB	0755	2025-11-25 18:16:31
pwck	File	54.29 KB	0755	2024-05-30 14:52:35
pwconv	File	46.16 KB	0755	2024-05-30 14:52:35
pwhistory_helper	File	22.31 KB	0755	2025-09-15 12:37:15
pwunconv	File	46.16 KB	0755	2024-05-30 14:52:35
readprofile	File	22.41 KB	0755	2026-03-06 16:00:54
reboot	File	1.43 MB	0755	2025-11-25 18:16:31
remove-shell	File	1.08 KB	0755	2024-03-31 08:47:33
resize2fs	File	70.3 KB	0755	2024-04-28 23:44:46
resolvconf	File	158.67 KB	0755	2025-11-25 18:16:31
rfkill	File	30.23 KB	0755	2026-03-06 16:00:54
rmmod	File	170.24 KB	0755	2024-10-02 12:40:49
rmt	File	54.71 KB	0755	2024-04-08 16:20:47
rmt-tar	File	54.71 KB	0755	2024-04-08 16:20:47
rtacct	File	28.31 KB	0755	2025-07-10 14:46:54
rtcwake	File	34.38 KB	0755	2026-03-06 16:00:54
rtmon	File	116.52 KB	0755	2025-07-10 14:46:54
runlevel	File	1.43 MB	0755	2025-11-25 18:16:31
runuser	File	54.38 KB	0755	2026-03-06 16:00:54
service	File	8.89 KB	0755	2023-12-06 07:50:15
setcap	File	14.3 KB	0755	2025-02-20 15:49:57
sfdisk	File	106.38 KB	0755	2026-03-06 16:00:54
shadowconfig	File	2.22 KB	0755	2024-05-07 13:44:18
shutdown	File	1.43 MB	0755	2025-11-25 18:16:31
sshd	File	899.82 KB	0755	2026-03-04 17:55:04
start-stop-daemon	File	47.49 KB	0755	2025-09-18 17:43:59
sudo_logsrvd	File	248.5 KB	0755	2026-03-02 12:56:19
sudo_sendlog	File	131.67 KB	0755	2026-03-02 12:56:19
sulogin	File	42.38 KB	0755	2026-03-06 16:00:54
swaplabel	File	18.38 KB	0755	2026-03-06 16:00:54
swapoff	File	22.38 KB	0755	2026-03-06 16:00:54
swapon	File	42.38 KB	0755	2026-03-06 16:00:54
switch_root	File	22.38 KB	0755	2026-03-06 16:00:54
sysctl	File	30.38 KB	0755	2024-09-26 08:44:05
tarcat	File	936 B	0755	2024-01-01 21:15:10
tc	File	630.08 KB	0755	2025-07-10 14:46:54
telinit	File	1.43 MB	0755	2025-11-25 18:16:31
tipc	File	90.52 KB	0755	2025-07-10 14:46:54
tune2fs	File	110.56 KB	0755	2024-04-28 23:44:46
ub-device-create	File	22.32 KB	0755	2026-03-06 15:59:02
unix_chkpwd	File	30.31 KB	2755	2025-09-15 12:37:15
unix_update	File	34.31 KB	0755	2025-09-15 12:37:15
update-ca-certificates	File	5.32 KB	0755	2024-02-04 09:41:43
update-passwd	File	34.56 KB	0755	2024-04-08 15:54:09
update-shells	File	3.89 KB	0755	2024-03-31 08:47:33
useradd	File	139.88 KB	0755	2024-05-30 14:52:35
userdel	File	91.01 KB	0755	2024-05-30 14:52:35
usermod	File	127.65 KB	0755	2024-05-30 14:52:35
vdpa	File	34.56 KB	0755	2025-07-10 14:46:54
veritysetup	File	43.94 KB	0755	2024-11-14 03:44:47
vigr	File	60.69 KB	0755	2024-05-30 14:52:35
vipw	File	60.69 KB	0755	2024-05-30 14:52:35
visudo	File	252.71 KB	0755	2026-03-02 12:56:19
wipefs	File	38.38 KB	0755	2026-03-06 16:00:54
wpa_action	File	1.69 KB	0755	2025-08-05 11:55:36
wpa_cli	File	140.31 KB	0755	2026-02-04 23:33:00
wpa_supplicant	File	3.22 MB	0755	2026-02-04 23:33:00
xtables-legacy-multi	File	92.95 KB	0755	2024-04-08 15:59:59
xtables-monitor	File	219.16 KB	0755	2024-04-08 15:59:59
xtables-nft-multi	File	219.16 KB	0755	2024-04-08 15:59:59
zic	File	66.39 KB	0755	2026-01-30 08:27:54
zramctl	File	54.52 KB	0755	2026-03-06 16:00:54

#!/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 1.47.0 (5-Feb-2023)"
}

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 "${arg}: Not connected to an LVM logical volume."
	print_help
	exitcode 16
fi
start_time="$(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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