0045-units-use-var-swapfile-if-found.patch

gistfile1.txt

From 9926178c6ab69c929bcf32205a176131ee7bcdab Mon Sep 17 00:00:00 2001
From: Mark D Horn <mark.d.horn@intel.com>
Date: Fri, 3 Apr 2020 11:35:33 -0700
Subject: [PATCH] units: use /var/swapfile if found

New unit to automatically make use of a swapfile if
it exists, not a symlink, and /var is writable.

Signed-off-by: Mark D Horn <mark.d.horn@intel.com>
---
 units/meson.build       |  2 ++
 units/var-swapfile.swap | 19 +++++++++++++++++++
 2 files changed, 21 insertions(+)
 create mode 100644 units/var-swapfile.swap

diff --git a/units/meson.build b/units/meson.build
index ea91f0cc9ea7..6c6225ddae6b 100644
--- a/units/meson.build
+++ b/units/meson.build
@@ -150,6 +150,8 @@ units = [
         ['user.slice',                          ''],
         ['var-lib-machines.mount',              'ENABLE_MACHINED',
          'remote-fs.target.wants/ machines.target.wants/'],
+        ['var-swapfile.swap',                   '',
+         'swap.target.wants/'],
 ]

 in_units = [
diff --git a/units/var-swapfile.swap b/units/var-swapfile.swap
new file mode 100644
index 000000000000..6c61cf8ca4ee
--- /dev/null
+++ b/units/var-swapfile.swap
@@ -0,0 +1,19 @@
+#  SPDX-License-Identifier: LGPL-2.1+
+#
+#  This file is part of systemd.
+#
+#  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.
+
+[Unit]
+Description=Default Swap File (/var/swapfile)
+Documentation=man:systemd.swap(5)
+ConditionPathExists=/var/swapfile
+ConditionPathIsSymbolicLink=!/var/swapfile
+ConditionPathIsReadWrite=/var/swapfile
+
+[Swap]
+What=/var/swapfile
+Options=discard,fixpgsz
--
2.26.0