--- etc/initramfs-tools/modules~	2023-02-23 12:59:33.000000000 +0900
+++ etc/initramfs-tools/modules	2023-07-03 08:46:22.000000000 +0900
@@ -9,3 +9,4 @@
 #
 # raid1
 # sd_mod
+exfat
--- usr/share/initramfs-tools/scripts/casper-helpers~	2022-05-30 23:40:38.000000000 +0900
+++ usr/share/initramfs-tools/scripts/casper-helpers	2023-07-03 08:48:03.000000000 +0900
@@ -36,7 +36,7 @@
     # FIXME: do something better like the scan of supported filesystems
     fstype="${1}"
     case ${fstype} in
-        vfat|iso9660|udf|ext2|ext3|ext4|btrfs|ntfs)
+        vfat|exfat|iso9660|udf|ext2|ext3|ext4|btrfs|ntfs)
             return 0
             ;;
     esac
@@ -234,7 +234,7 @@
             # will cause data loss when a live CD is booted on a system
             # where filesystems are in use by hibernated operating systems.
             case "$(get_fstype ${devname})" in
-                vfat)
+                vfat|exfat)
                     :;;
                 *)
                     continue;;
@@ -337,7 +337,7 @@
         for dev in $(subdevices "${sysblock}"); do
             devname=$(sys2dev "${dev}")
             case "$(get_fstype ${devname})" in
-                vfat|ext2)
+                vfat|exfat|ext2)
                     :;;
                 *)
                     continue;;
@@ -367,7 +367,7 @@
 is_supported_fs(){
     [ -z "${1}" ] && return 1
     case ${1} in
-        ext2|ext3|ext4|xfs|jfs|reiserfs|vfat|ntfs|iso9660|btrfs)
+        ext2|ext3|ext4|xfs|jfs|reiserfs|vfat|exfat|ntfs|iso9660|btrfs)
             return 0
             ;;
     esac
@@ -388,6 +388,7 @@
     modprobe xfs
     modprobe jfs
     modprobe vfat
+    modprobe exfat
     modprobe fuse
     [ "$quiet" != "y" ] && log_end_msg "...devs loaded..."
     touch /dev/.initramfs/lupin-waited-for-devs