From b4722f57aaa1de33224497bbd9599db6f9f6563f Mon Sep 17 00:00:00 2001
From: Christoph Hummer <christophhummer@gmail.com>
Date: Wed, 31 Jul 2024 10:59:38 +0200
Subject: [PATCH] Set default backingfs type to native for existing
 installations

---
 etc/rc.d/rc.local | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/etc/rc.d/rc.local b/etc/rc.d/rc.local
index 0ead18c64..ffcf5a987 100755
--- a/etc/rc.d/rc.local
+++ b/etc/rc.d/rc.local
@@ -61,6 +61,11 @@ mkdir -p $CONFIG/shares
 mkdir -p $CONFIG/ssh/root
 mkdir -p $CONFIG/ssl/certs
 
+# Set default Docker backingfs type to native for existing installations
+if [[ -f "/boot/config/docker.cfg" ]]; then
+  grep -q "DOCKER_BACKINGFS=" /boot/config/docker.cfg || echo "DOCKER_BACKINGFS=\"native\"" >> /boot/config/docker.cfg
+fi
+
 # upgrade network configuration (if needed) and (re)generates our welcome text
 if [[ -x /usr/local/sbin/create_network_ini ]]; then
   /usr/local/sbin/create_network_ini init &>/dev/null &