v6.25

+ DietPi-Drive_Manager | BTRFS support is not natively built into the kernel on RPi and Odroid: #2909

dietpi/dietpi-drive_manager

@@ -1367,10 +1367,16 @@ Please enter the desired percentage of reserved blocks, e.g. "0.05" for 0.05% or
 			# Transfer RootFS
 			elif [[ $G_WHIP_RETURNED_VALUE == 'Transfer RootFS' ]]; then
 
+				# - Kernel lacks native BTRFS support (enabled as module): https://github.com/MichaIng/DietPi/issues/2909
+				if [[ ${aDRIVE_FSTYPE[$MENU_DRIVE_INDEX]} == 'btrfs' ]]; then
+
+					G_WHIP_MSG "[WARNING] Booting from ${aDRIVE_FSTYPE[$MENU_DRIVE_INDEX]} is not supported by this device.\n
+We recommend "\ext4\" as filesystem type for the RootFS."
+
 				# - User must unmount partition before format
-				if (( ${aDRIVE_ISMOUNTED[$MENU_DRIVE_INDEX]} )); then
+				elif (( ${aDRIVE_ISMOUNTED[$MENU_DRIVE_INDEX]} )); then
 
-					G_WHIP_MSG 'Partition must be unmounted, before format and RootFS transfer can begin.\n\nPlease unmount the partition, then try again.'
+					G_WHIP_MSG '[WARNING] Partition must be unmounted, before format and RootFS transfer can begin.\n\nPlease unmount the partition, then try again.'
 
 				else