From bbdea9808e6a1ed828962f28fbdedad40f7eb0d0 Mon Sep 17 00:00:00 2001
From: Davide Cavalca <davide@cavalca.name>
Date: Jul 10 2020 17:47:30 +0000
Subject: add rootflags to the kernel cmdline when using subvolumes


---

diff --git a/appcreate/appliance.py b/appcreate/appliance.py
index f5d7ec1..6ceac85 100644
--- a/appcreate/appliance.py
+++ b/appcreate/appliance.py
@@ -250,6 +250,9 @@ class ApplianceImageCreator(ImageCreator):
         lang = self.ks.handler.lang.lang
         if lang != '':
             options = '%s LANG=%s' % (options, lang)
+        for s in self.ks.handler.btrfs.btrfsList:
+            if s.subvol and s.name == "root":
+                options = '%s rootflags=subvol=root' % options
         return options
 
     def _create_grub_devices(self, grubversion = 1):