From 5a84eb5921dd281ec6325b57466756917e7f4f69 Mon Sep 17 00:00:00 2001
From: Michael Stapelberg <michael@stapelberg.de>
Date: Mon, 4 Jan 2021 15:19:18 +0100
Subject: [PATCH] fall back to mounting permanent storage as vfat if not ext4

---
 mount.go | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/mount.go b/mount.go
index 62c66b1..cca6572 100644
--- a/mount.go
+++ b/mount.go
@@ -95,8 +95,12 @@ func mountfs() error {
 	}
 
 	dev := rootdev.Partition(rootdev.Perm)
-	if err := syscall.Mount(dev, "/perm", "ext4", 0, ""); err != nil {
-		log.Printf("Could not mount permanent storage partition %s: %v", dev, err)
+	for _, fstype := range []string{"ext4", "vfat"} {
+		if err := syscall.Mount(dev, "/perm", fstype, 0, ""); err != nil {
+			log.Printf("Could not mount permanent storage partition %s as %s: %v", dev, fstype, err)
+		} else {
+			break
+		}
 	}
 
 	return nil