From b59b7414c35e5c4026c53453329a25e4260b958b Mon Sep 17 00:00:00 2001
From: Ethan Glasser-Camp <ethan@betacantrips.com>
Date: Thu, 14 May 2020 12:00:01 -0400
Subject: nixos/manual: document use of systemd to mount filesystems (#87684)

* nixos/manual: document use of systemd to mount filesystems
---
 nixos/doc/manual/configuration/file-systems.xml | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/nixos/doc/manual/configuration/file-systems.xml b/nixos/doc/manual/configuration/file-systems.xml
index e4c03de71b72..3ac02a975ebf 100644
--- a/nixos/doc/manual/configuration/file-systems.xml
+++ b/nixos/doc/manual/configuration/file-systems.xml
@@ -16,6 +16,17 @@
     fsType = "ext4";
   };
 </programlisting>
+  This will create an entry in <filename>/etc/fstab</filename>, which will
+  generate a corresponding
+  <link xlink:href="https://www.freedesktop.org/software/systemd/man/systemd.mount.html">systemd.mount</link>
+  unit via
+  <link xlink:href="https://www.freedesktop.org/software/systemd/man/systemd-fstab-generator.html">systemd-fstab-generator</link>.
+  The filesystem will be mounted automatically unless
+  <literal>"noauto"</literal> is present in <link
+  linkend="opt-fileSystems._name__.options">options</link>.
+  <literal>"noauto"</literal> filesystems can be mounted explicitly using
+  <command>systemctl</command> e.g. <command>systemctl start
+  data.mount</command>.
   Mount points are created automatically if they don’t already exist. For
   <option><link linkend="opt-fileSystems._name__.device">device</link></option>,
   it’s best to use the topology-independent device aliases in
-- 
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