- <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><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, 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 listed in
+ <filename>/etc/fstab</filename>. 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 <filename>/etc/fstab</filename>
+ does not exist or lists no entries for the mentioned file
+ systems.</para>