Copyright 2010 Lennart Poettering
systemd 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
+ 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
- General Public License for more details.
+ Lesser General Public License for more details.
- You should have received a copy of the GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
-->
specific configuration options are configured in the
[Swap] section.</para>
- <para>Swap units must be named after the devices they
- control. Example: the swap device
+ <para>Swap units must be named after the devices
+ (resp. files) they control. Example: the swap device
<filename>/dev/sda5</filename> must be configured in a
unit file <filename>dev-sda5.swap</filename>. For
details about the escaping logic used to convert a
file system path to a unit name see
<citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>.</para>
+
+ <para>All swap units automatically get the appropriate
+ dependencies on the devices (resp. on the mount points
+ of the files) they are activated from.</para>
+
+ <para>Swap units with
+ <varname>DefaultDependencies=</varname> enabled
+ implicitly acquire a conflicting dependency to
+ <filename>umount.target</filename> so that they are
+ deactivated at shutdown.</para>
</refsect1>
<refsect1>
<para>If a swap device or file is configured in both
<filename>/etc/fstab</filename> and a unit file the
configuration in the latter takes precedence.</para>
+
+ <para>Unless the <option>noauto</option> option is set
+ for them all swap units configured in
+ <filename>/etc/fstab</filename> are also added as
+ requirements to <filename>swap.target</filename>, so
+ that they are waited for and activated during
+ boot.</para>
</refsect1>
<refsect1>
a time span value such as "5min
20s". Pass 0 to disable the timeout
logic. Defaults to
- 60s.</para></listitem>
+ 90s.</para></listitem>
</varlistentry>
<varlistentry>
processes of this swap shall be
killed. One of
<option>control-group</option>,
- <option>process-group</option>,
<option>process</option>,
<option>none</option>.</para>