From 800b1cb00b37c32e95d664df34f3fd76747b41d4 Mon Sep 17 00:00:00 2001
From: Robert Osowiecki <robert.osowiecki@gmail.com>
Date: Mon, 27 Apr 2020 22:04:41 +0200
Subject: [PATCH] fs_type parameter is not really optional for negative
 part_start parameter

---
 plugins/modules/system/parted.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/plugins/modules/system/parted.py b/plugins/modules/system/parted.py
index 1fbe33175b..f9dc163355 100644
--- a/plugins/modules/system/parted.py
+++ b/plugins/modules/system/parted.py
@@ -625,6 +625,10 @@ def main():
         if current_device['generic'].get('table', None) != label:
             script += "mklabel %s " % label
 
+        # parted <= 3.2.153 bug: optional filesystem parameter is mandatory for negative part_start
+        if fs_type is None and part_start.startswith('-'):
+            fs_type = 'ext2'
+
         # Create partition if required
         if part_type and not part_exists(current_parts, 'num', number):
             script += "mkpart %s %s%s %s " % (