Gecko [ theprintave.ca ]

Name	Size	Permission	Date
aa-load	38.75 KB	-rwxr-xr-x	2024-07-18 18:28
aa-remove-unknown	3.15 KB	-rwxr-xr-x	2024-07-18 18:28
aa-status	39.06 KB	-rwxr-xr-x	2024-07-18 18:28
aa-teardown	137 B	-rwxr-xr-x	2024-04-12 03:59
add-shell	1.03 KB	-rwxr-xr-x	2024-03-31 08:47
agetty	59.56 KB	-rwxr-xr-x	2024-08-09 02:33
apparmor_parser	1.55 MB	-rwxr-xr-x	2024-07-18 18:28
apparmor_status	39.06 KB	-rwxr-xr-x	2024-07-18 18:28
arpd	26.33 KB	-rwxr-xr-x	2024-03-31 09:00
arptables	219.16 KB	-rwxr-xr-x	2024-04-08 15:59
arptables-nft	219.16 KB	-rwxr-xr-x	2024-04-08 15:59
arptables-nft-restore	219.16 KB	-rwxr-xr-x	2024-04-08 15:59
arptables-nft-save	219.16 KB	-rwxr-xr-x	2024-04-08 15:59
arptables-restore	219.16 KB	-rwxr-xr-x	2024-04-08 15:59
arptables-save	219.16 KB	-rwxr-xr-x	2024-04-08 15:59
badblocks	34.32 KB	-rwxr-xr-x	2024-04-28 23:44
blkdeactivate	15.97 KB	-rwxr-xr-x	2024-07-01 18:45
blkdiscard	22.38 KB	-rwxr-xr-x	2024-08-09 02:33
blkid	54.41 KB	-rwxr-xr-x	2024-08-09 02:33
blkzone	34.38 KB	-rwxr-xr-x	2024-08-09 02:33
blockdev	34.38 KB	-rwxr-xr-x	2024-08-09 02:33
bridge	108.49 KB	-rwxr-xr-x	2024-03-31 09:00
capsh	57.09 KB	-rwxr-xr-x	2024-04-08 16:01
cfdisk	94.73 KB	-rwxr-xr-x	2024-08-09 02:33
chcpu	30.38 KB	-rwxr-xr-x	2024-08-09 02:33
chgpasswd	58.32 KB	-rwxr-xr-x	2024-05-30 14:52
chmem	34.38 KB	-rwxr-xr-x	2024-08-09 02:33
chpasswd	54.43 KB	-rwxr-xr-x	2024-05-30 14:52
chroot	38.51 KB	-rwxr-xr-x	2024-04-05 14:36
cpgr	48.45 KB	-rwxr-xr-x	2024-05-30 14:52
cppw	48.45 KB	-rwxr-xr-x	2024-05-30 14:52
cryptdisks_start	1.51 KB	-rwxr-xr-x	2024-06-05 13:46
cryptdisks_stop	844 B	-rwxr-xr-x	2024-06-05 13:46
cryptsetup	225.9 KB	-rwxr-xr-x	2024-07-01 18:38
ctrlaltdel	14.38 KB	-rwxr-xr-x	2024-08-09 02:33
dcb	80.52 KB	-rwxr-xr-x	2024-03-31 09:00
debugfs	225.87 KB	-rwxr-xr-x	2024-04-28 23:44
depmod	170.24 KB	-rwxr-xr-x	2024-04-18 10:06
devlink	150.86 KB	-rwxr-xr-x	2024-03-31 09:00
dhcpcd	395.4 KB	-rwxr-xr-x	2024-05-07 10:12
dmsetup	171.05 KB	-rwxr-xr-x	2024-07-01 18:45
dmstats	171.05 KB	-rwxr-xr-x	2024-07-01 18:45
dosfsck	78.38 KB	-rwxr-xr-x	2024-03-31 08:49
dosfslabel	38.38 KB	-rwxr-xr-x	2024-03-31 08:49
dumpe2fs	34.31 KB	-rwxr-xr-x	2024-04-28 23:44
e2freefrag	18.3 KB	-rwxr-xr-x	2024-04-28 23:44
e2fsck	364.34 KB	-rwxr-xr-x	2024-04-28 23:44
e2image	42.31 KB	-rwxr-xr-x	2024-04-28 23:44
e2label	110.56 KB	-rwxr-xr-x	2024-04-28 23:44
e2mmpstatus	34.31 KB	-rwxr-xr-x	2024-04-28 23:44
e2scrub	7.12 KB	-rwxr-xr-x	2024-04-28 23:44
e2scrub_all	5.27 KB	-rwxr-xr-x	2024-04-28 23:44
e2undo	22.3 KB	-rwxr-xr-x	2024-04-28 23:44
e4crypt	30.38 KB	-rwxr-xr-x	2024-04-28 23:44
e4defrag	34.3 KB	-rwxr-xr-x	2024-04-28 23:44
ebtables	219.16 KB	-rwxr-xr-x	2024-04-08 15:59
ebtables-nft	219.16 KB	-rwxr-xr-x	2024-04-08 15:59
ebtables-nft-restore	219.16 KB	-rwxr-xr-x	2024-04-08 15:59
ebtables-nft-save	219.16 KB	-rwxr-xr-x	2024-04-08 15:59
ebtables-restore	219.16 KB	-rwxr-xr-x	2024-04-08 15:59
ebtables-save	219.16 KB	-rwxr-xr-x	2024-04-08 15:59
ebtables-translate	219.16 KB	-rwxr-xr-x	2024-04-08 15:59
faillock	22.31 KB	-rwxr-xr-x	2024-05-02 22:20
fatlabel	38.38 KB	-rwxr-xr-x	2024-03-31 08:49
fdisk	114.42 KB	-rwxr-xr-x	2024-08-09 02:33
filefrag	18.32 KB	-rwxr-xr-x	2024-04-28 23:44
findfs	14.38 KB	-rwxr-xr-x	2024-08-09 02:33
fsck	42.42 KB	-rwxr-xr-x	2024-08-09 02:33
fsck.cramfs	30.44 KB	-rwxr-xr-x	2024-08-09 02:33
fsck.ext2	364.34 KB	-rwxr-xr-x	2024-04-28 23:44
fsck.ext3	364.34 KB	-rwxr-xr-x	2024-04-28 23:44
fsck.ext4	364.34 KB	-rwxr-xr-x	2024-04-28 23:44
fsck.fat	78.38 KB	-rwxr-xr-x	2024-03-31 08:49
fsck.minix	54.41 KB	-rwxr-xr-x	2024-08-09 02:33
fsck.msdos	78.38 KB	-rwxr-xr-x	2024-03-31 08:49
fsck.vfat	78.38 KB	-rwxr-xr-x	2024-03-31 08:49
fsfreeze	14.38 KB	-rwxr-xr-x	2024-08-09 02:33
fstab-decode	14.3 KB	-rwxr-xr-x	2024-04-08 16:20
fstrim	42.38 KB	-rwxr-xr-x	2024-08-09 02:33
genl	120.58 KB	-rwxr-xr-x	2024-03-31 09:00
getcap	14.3 KB	-rwxr-xr-x	2024-04-08 16:01
getpcaps	14.3 KB	-rwxr-xr-x	2024-04-08 16:01
getty	59.56 KB	-rwxr-xr-x	2024-08-09 02:33
groupadd	71.13 KB	-rwxr-xr-x	2024-05-30 14:52
groupdel	62.91 KB	-rwxr-xr-x	2024-05-30 14:52
groupmems	58.34 KB	-rwxr-xr-x	2024-05-30 14:52
groupmod	71.04 KB	-rwxr-xr-x	2024-05-30 14:52
grpck	58.32 KB	-rwxr-xr-x	2024-05-30 14:52
grpconv	50.16 KB	-rwxr-xr-x	2024-05-30 14:52
grpunconv	50.16 KB	-rwxr-xr-x	2024-05-30 14:52
halt	1.43 MB	-rwxr-xr-x	2024-08-08 14:51
iconvconfig	34.47 KB	-rwxr-xr-x	2024-08-08 14:47
init	98.45 KB	-rwxr-xr-x	2024-08-08 14:51
insmod	170.24 KB	-rwxr-xr-x	2024-04-18 10:06
installkernel	2.6 KB	-rwxr-xr-x	2024-03-31 08:47
integritysetup	67.06 KB	-rwxr-xr-x	2024-07-01 18:38
invoke-rc.d	16.13 KB	-rwxr-xr-x	2023-12-06 07:46
ip	702.05 KB	-rwxr-xr-x	2022-03-24 11:56
ip6tables	219.16 KB	-rwxr-xr-x	2024-04-08 15:59
ip6tables-apply	6.89 KB	-rwxr-xr-x	2023-08-12 22:33
ip6tables-legacy	92.95 KB	-rwxr-xr-x	2024-04-08 15:59
ip6tables-legacy-restore	92.95 KB	-rwxr-xr-x	2024-04-08 15:59
ip6tables-legacy-save	92.95 KB	-rwxr-xr-x	2024-04-08 15:59
ip6tables-nft	219.16 KB	-rwxr-xr-x	2024-04-08 15:59
ip6tables-nft-restore	219.16 KB	-rwxr-xr-x	2024-04-08 15:59
ip6tables-nft-save	219.16 KB	-rwxr-xr-x	2024-04-08 15:59
ip6tables-restore	219.16 KB	-rwxr-xr-x	2024-04-08 15:59
ip6tables-restore-translate	219.16 KB	-rwxr-xr-x	2024-04-08 15:59
ip6tables-save	219.16 KB	-rwxr-xr-x	2024-04-08 15:59
ip6tables-translate	219.16 KB	-rwxr-xr-x	2024-04-08 15:59
iptables	219.16 KB	-rwxr-xr-x	2024-04-08 15:59
iptables-apply	6.89 KB	-rwxr-xr-x	2023-08-12 22:33
iptables-legacy	92.95 KB	-rwxr-xr-x	2024-04-08 15:59
iptables-legacy-restore	92.95 KB	-rwxr-xr-x	2024-04-08 15:59
iptables-legacy-save	92.95 KB	-rwxr-xr-x	2024-04-08 15:59
iptables-nft	219.16 KB	-rwxr-xr-x	2024-04-08 15:59
iptables-nft-restore	219.16 KB	-rwxr-xr-x	2024-04-08 15:59
iptables-nft-save	219.16 KB	-rwxr-xr-x	2024-04-08 15:59
iptables-restore	219.16 KB	-rwxr-xr-x	2024-04-08 15:59
iptables-restore-translate	219.16 KB	-rwxr-xr-x	2024-04-08 15:59
iptables-save	219.16 KB	-rwxr-xr-x	2024-04-08 15:59
iptables-translate	219.16 KB	-rwxr-xr-x	2024-04-08 15:59
isosize	14.38 KB	-rwxr-xr-x	2024-08-09 02:33
killall5	26.23 KB	-rwxr-xr-x	2024-04-08 16:20
ldattach	26.38 KB	-rwxr-xr-x	2024-08-09 02:33
ldconfig	387 B	-rwxr-xr-x	2024-08-08 14:47
ldconfig.real	1 MB	-rwxr-xr-x	2024-08-08 14:47
logsave	14.16 KB	-rwxr-xr-x	2024-04-28 23:44
losetup	74.52 KB	-rwxr-xr-x	2024-08-09 02:33
lsmod	170.24 KB	-rwxr-xr-x	2024-04-18 10:06
mkdosfs	50.83 KB	-rwxr-xr-x	2024-03-31 08:49
mke2fs	130.62 KB	-rwxr-xr-x	2024-04-28 23:44
mkfs	14.38 KB	-rwxr-xr-x	2024-08-09 02:33
mkfs.bfs	22.38 KB	-rwxr-xr-x	2024-08-09 02:33
mkfs.cramfs	34.32 KB	-rwxr-xr-x	2024-08-09 02:33
mkfs.ext2	130.62 KB	-rwxr-xr-x	2024-04-28 23:44
mkfs.ext3	130.62 KB	-rwxr-xr-x	2024-04-28 23:44
mkfs.ext4	130.62 KB	-rwxr-xr-x	2024-04-28 23:44
mkfs.fat	50.83 KB	-rwxr-xr-x	2024-03-31 08:49
mkfs.minix	42.39 KB	-rwxr-xr-x	2024-08-09 02:33
mkfs.msdos	50.83 KB	-rwxr-xr-x	2024-03-31 08:49
mkfs.vfat	50.83 KB	-rwxr-xr-x	2024-03-31 08:49
mkhomedir_helper	22.34 KB	-rwxr-xr-x	2024-05-02 22:20
mklost+found	14.3 KB	-rwxr-xr-x	2024-04-28 23:44
mkswap	50.38 KB	-rwxr-xr-x	2024-08-09 02:33
modinfo	170.24 KB	-rwxr-xr-x	2024-04-18 10:06
modprobe	170.24 KB	-rwxr-xr-x	2024-04-18 10:06
netplan	802 B	-rwxr-xr-x	2024-07-03 12:43
newusers	86.96 KB	-rwxr-xr-x	2024-05-30 14:52
nfnl_osf	18.3 KB	-rwxr-xr-x	2024-04-08 15:59
nologin	14.3 KB	-rwxr-xr-x	2024-05-30 14:52
pam_extrausers_chkpwd	26.31 KB	-rwxr-sr-x	2024-05-02 22:20
pam_extrausers_update	34.31 KB	-rwxr-xr-x	2024-05-02 22:20
pam_namespace_helper	467 B	-rwxr-xr-x	2024-05-02 22:20
pam_timestamp_check	14.31 KB	-rwxr-xr-x	2024-05-02 22:20
pivot_root	14.38 KB	-rwxr-xr-x	2024-08-09 02:33
plymouthd	146.57 KB	-rwxr-xr-x	2024-03-31 08:14
poweroff	1.43 MB	-rwxr-xr-x	2024-08-08 14:51
pwck	54.29 KB	-rwxr-xr-x	2024-05-30 14:52
pwconv	46.16 KB	-rwxr-xr-x	2024-05-30 14:52
pwhistory_helper	22.31 KB	-rwxr-xr-x	2024-05-02 22:20
pwunconv	46.16 KB	-rwxr-xr-x	2024-05-30 14:52
readprofile	22.41 KB	-rwxr-xr-x	2024-08-09 02:33
reboot	1.43 MB	-rwxr-xr-x	2024-08-08 14:51
remove-shell	1.08 KB	-rwxr-xr-x	2024-03-31 08:47
resize2fs	70.3 KB	-rwxr-xr-x	2024-04-28 23:44
resolvconf	158.67 KB	-rwxr-xr-x	2024-08-08 14:51
rfkill	30.23 KB	-rwxr-xr-x	2024-08-09 02:33
rmmod	170.24 KB	-rwxr-xr-x	2024-04-18 10:06
rmt	54.71 KB	-rwxr-xr-x	2024-04-08 16:20
rmt-tar	54.71 KB	-rwxr-xr-x	2024-04-08 16:20
rtacct	28.31 KB	-rwxr-xr-x	2024-03-31 09:00
rtcwake	34.38 KB	-rwxr-xr-x	2024-08-09 02:33
rtmon	116.52 KB	-rwxr-xr-x	2024-03-31 09:00
runlevel	1.43 MB	-rwxr-xr-x	2024-08-08 14:51
runuser	54.38 KB	-rwxr-xr-x	2024-08-09 02:33
service	8.89 KB	-rwxr-xr-x	2023-12-06 07:50
setcap	14.3 KB	-rwxr-xr-x	2024-04-08 16:01
sfdisk	106.38 KB	-rwxr-xr-x	2024-08-09 02:33
shadowconfig	2.22 KB	-rwxr-xr-x	2024-05-07 13:44
shutdown	1.43 MB	-rwxr-xr-x	2024-08-08 14:51
sshd	895.82 KB	-rwxr-xr-x	2024-08-09 02:33
start-stop-daemon	47.49 KB	-rwxr-xr-x	2024-03-30 23:51
sudo_logsrvd	248.5 KB	-rwxr-xr-x	2024-04-08 14:50
sudo_sendlog	131.67 KB	-rwxr-xr-x	2024-04-08 14:50
sulogin	42.38 KB	-rwxr-xr-x	2024-08-09 02:33
swaplabel	18.38 KB	-rwxr-xr-x	2024-08-09 02:33
swapoff	22.38 KB	-rwxr-xr-x	2024-08-09 02:33
swapon	42.38 KB	-rwxr-xr-x	2024-08-09 02:33
switch_root	22.38 KB	-rwxr-xr-x	2024-08-09 02:33
sysctl	30.38 KB	-rwxr-xr-x	2024-09-26 08:44
tarcat	936 B	-rwxr-xr-x	2024-01-01 21:15
tc	630.08 KB	-rwxr-xr-x	2024-03-31 09:00
telinit	1.43 MB	-rwxr-xr-x	2024-08-08 14:51
tipc	90.52 KB	-rwxr-xr-x	2024-03-31 09:00
tune2fs	110.56 KB	-rwxr-xr-x	2024-04-28 23:44
ub-device-create	22.32 KB	-rwxr-xr-x	2024-09-26 07:05
unix_chkpwd	30.31 KB	-rwxr-sr-x	2024-05-02 22:20
unix_update	34.31 KB	-rwxr-xr-x	2024-05-02 22:20
update-ca-certificates	5.32 KB	-rwxr-xr-x	2024-02-04 09:41
update-passwd	34.56 KB	-rwxr-xr-x	2024-04-08 15:54
update-shells	3.89 KB	-rwxr-xr-x	2024-03-31 08:47
useradd	139.88 KB	-rwxr-xr-x	2024-05-30 14:52
userdel	91.01 KB	-rwxr-xr-x	2024-05-30 14:52
usermod	127.65 KB	-rwxr-xr-x	2024-05-30 14:52
vdpa	34.56 KB	-rwxr-xr-x	2024-03-31 09:00
veritysetup	43.94 KB	-rwxr-xr-x	2024-07-01 18:38
vigr	60.69 KB	-rwxr-xr-x	2024-05-30 14:52
vipw	60.69 KB	-rwxr-xr-x	2024-05-30 14:52
visudo	248.71 KB	-rwxr-xr-x	2024-04-08 14:50
wipefs	38.38 KB	-rwxr-xr-x	2024-08-09 02:33
wpa_action	1.69 KB	-rwxr-xr-x	2023-12-25 09:47
wpa_cli	140.31 KB	-rwxr-xr-x	2024-08-02 12:06
wpa_supplicant	3.21 MB	-rwxr-xr-x	2024-08-02 12:06
xtables-legacy-multi	92.95 KB	-rwxr-xr-x	2024-04-08 15:59
xtables-monitor	219.16 KB	-rwxr-xr-x	2024-04-08 15:59
xtables-nft-multi	219.16 KB	-rwxr-xr-x	2024-04-08 15:59
zic	66.39 KB	-rwxr-xr-x	2024-08-08 14:47
zramctl	54.52 KB	-rwxr-xr-x	2024-08-09 02:33

Rename

#!/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}"