From 1c271d3871ac6a47474854cc9676326683e0a45c Mon Sep 17 00:00:00 2001
From: =?utf8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
Date: Sat, 13 Nov 2021 16:47:40 +0100
Subject: [PATCH] man: document fs types known to makefs

---
 man/systemd-makefs@.service.xml | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/man/systemd-makefs@.service.xml b/man/systemd-makefs@.service.xml
index 5ea200cc5cc..59c1a14394d 100644
--- a/man/systemd-makefs@.service.xml
+++ b/man/systemd-makefs@.service.xml
@@ -52,7 +52,12 @@
     systems and swap devices, and after checking that the block device does not already
     contain a file system or other content, it will execute binaries specific to
     each filesystem type (<filename>/sbin/mkfs.<replaceable>type</replaceable></filename>
-    or <filename>/sbin/mkswap</filename>).</para>
+    or <filename>/sbin/mkswap</filename>). For certain file system types (currently
+    ext2/ext3/<citerefentry project='man-pages'><refentrytitle>ext4</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
+    <citerefentry project='url'><refentrytitle url='https://btrfs.wiki.kernel.org/index.php/Manpage/btrfs(5)'>btrfs</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
+    <citerefentry project='man-pages'><refentrytitle>xfs</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
+    f2fs, vfat) and for swap devices, it will configure reasonable defaults and set
+    the file system label and UUID based on the device name.</para>
 
     <para><filename>systemd-growfs</filename> knows very little about specific file
     systems and swap devices, and will instruct the kernel to grow the mounted
-- 
2.47.3