<?xml version="1.0"?>
<!--*-nxml-*-->
-<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
-<!--
- This file is part of systemd.
-
- Copyright 2012 Lennart Poettering
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
--->
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
+ "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+<!-- SPDX-License-Identifier: LGPL-2.1+ -->
<refentry id="systemd-remount-fs.service">
- <refentryinfo>
- <title>systemd-remount-fs.service</title>
- <productname>systemd</productname>
+ <refentryinfo>
+ <title>systemd-remount-fs.service</title>
+ <productname>systemd</productname>
+ </refentryinfo>
+
+ <refmeta>
+ <refentrytitle>systemd-remount-fs.service</refentrytitle>
+ <manvolnum>8</manvolnum>
+ </refmeta>
- <authorgroup>
- <author>
- <contrib>Developer</contrib>
- <firstname>Lennart</firstname>
- <surname>Poettering</surname>
- <email>lennart@poettering.net</email>
- </author>
- </authorgroup>
- </refentryinfo>
+ <refnamediv>
+ <refname>systemd-remount-fs.service</refname>
+ <refname>systemd-remount-fs</refname>
+ <refpurpose>Remount root and kernel file systems</refpurpose>
+ </refnamediv>
- <refmeta>
- <refentrytitle>systemd-remount-fs.service</refentrytitle>
- <manvolnum>8</manvolnum>
- </refmeta>
+ <refsynopsisdiv>
+ <para><filename>systemd-remount-fs.service</filename></para>
+ <para><filename>/usr/lib/systemd/systemd-remount-fs</filename></para>
+ </refsynopsisdiv>
- <refnamediv>
- <refname>systemd-remount-fs.service</refname>
- <refname>systemd-remount-fs</refname>
- <refpurpose>Remount Root and Kernel File Systems</refpurpose>
- </refnamediv>
+ <refsect1>
+ <title>Description</title>
- <refsynopsisdiv>
- <para><filename>systemd-remount-fs.service</filename></para>
- <para><filename>/usr/lib/systemd/systemd-remount-fs</filename></para>
- </refsynopsisdiv>
+ <para><filename>systemd-remount-fs.service</filename> is an early boot service that applies mount options
+ listed in <citerefentry
+ project='man-pages'><refentrytitle>fstab</refentrytitle><manvolnum>5</manvolnum></citerefentry>, or
+ gathered from the partition table (when
+ <citerefentry><refentrytitle>systemd-gpt-auto-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry>
+ is active) to the root file system, the <filename>/usr</filename> file system, and the kernel API file
+ systems. This is required so that the mount options of these file systems — which are pre-mounted by the
+ kernel, the initial RAM disk, container environments or system manager code — are updated to those
+ configured in <filename>/etc/fstab</filename> and the other sources. This service ignores normal file
+ systems and only changes the root file system (i.e. <filename>/</filename>), <filename>/usr</filename>,
+ and the virtual kernel API file systems such as <filename>/proc</filename>, <filename>/sys</filename> or
+ <filename>/dev</filename>. This service executes no operation if no configuration is found
+ (<filename>/etc/fstab</filename> does not exist or lists no entries for the mentioned file systems, or
+ the partition table does not contain relevant entries).</para>
- <refsect1>
- <title>Description</title>
+ <para>For a longer discussion of kernel API file systems see
+ <ulink url="https://www.freedesktop.org/wiki/Software/systemd/APIFileSystems">API
+ File Systems</ulink>.</para>
- <para><filename>systemd-remount-fs.service</filename>
- is an early-boot service that applies mount options
- listed in
- <citerefentry><refentrytitle>fstab</refentrytitle><manvolnum>5</manvolnum></citerefentry>
- to the root file system and the kernel API virtual
- file systems. This is required so that the mount
- options of these file systems -- which are pre-mounted
- by the kernel, the initial RAM disk or system manager
- code -- are updated to those listed in
- <filename>/etc/fstab</filename>. This service ignores
- normal file systems and only changes the root file
- system (i.e. <filename>/</filename>) and the virtual
- kernel API file systems such as
- <filename>/proc</filename>, <filename>/sys</filename>
- or <filename>/dev/</filename>. This service executes
- no operation if <filename>/etc/fstab</filename> does
- not exist or lists no entries for the root file system
- or the kernel API VFS.</para>
- </refsect1>
+ <para>Note: <filename>systemd-remount-fs.service</filename> is usually pulled in by
+ <citerefentry><refentrytitle>systemd-fstab-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
+ hence it is also affected by the kernel command line option <varname>fstab=</varname>, which may be used
+ to disable the generator. It may also pulled in by
+ <citerefentry><refentrytitle>systemd-gpt-auto-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
+ which is affected by <varname>systemd.gpt_auto</varname> and other options.</para>
+ </refsect1>
- <refsect1>
- <title>See Also</title>
- <para>
- <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
- <citerefentry><refentrytitle>fstab</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
- <citerefentry><refentrytitle>mount</refentrytitle><manvolnum>8</manvolnum></citerefentry>
- </para>
- </refsect1>
+ <refsect1>
+ <title>See Also</title>
+ <para>
+ <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
+ <citerefentry project='man-pages'><refentrytitle>fstab</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
+ <citerefentry project='man-pages'><refentrytitle>mount</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>systemd-fstab-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>systemd-gpt-auto-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry>
+ </para>
+ </refsect1>
</refentry>
projects / thirdparty / systemd.git / blobdiff