From 0b306655f1eca3bbb28a2e3bc295a7bd4dc292bd Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Thu, 16 Jan 2020 18:51:19 +0100
Subject: [PATCH] man: document that rootflags= does not override /etc/fstab

Fixes: #13324
---
 man/systemd-fstab-generator.xml | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/man/systemd-fstab-generator.xml b/man/systemd-fstab-generator.xml
index 82321c44bf8..ab332588581 100644
--- a/man/systemd-fstab-generator.xml
+++ b/man/systemd-fstab-generator.xml
@@ -98,9 +98,13 @@
       <varlistentry>
         <term><varname>rootflags=</varname></term>
 
-        <listitem><para>Takes the root filesystem mount options to
-        use. <varname>rootflags=</varname> is honored by the
-        initrd.</para></listitem>
+        <listitem><para>Takes the root filesystem mount options to use. <varname>rootflags=</varname> is
+        honored by the initrd.</para>
+
+        <para>Note that unlike most kernel command line options this setting does not override settings made
+        in configuration files (specifically: the mount option string in
+        <filename>/etc/fstab</filename>). See
+        <citerefentry><refentrytitle>systemd-remount-fs.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para></listitem>
       </varlistentry>
 
       <varlistentry>