only on efi

Signed-off-by: Daniel Hansson <[email protected]>

Author: enoch85

Diff for: disk/format-chosen.sh

@@ -183,7 +183,11 @@ then
     check_command zfs set atime=off "$POOLNAME"
     check_command zfs set recordsize=128k "$POOLNAME"
     check_command zfs set logbias=latency "$POOLNAME"
-    check_command zfs set dnodesize=auto "$POOLNAME"
+    if [ -d /sys/firmware/efi ]
+    then
+        # dnodesize can't boot on BIOS, only UEFI mode
+        check_command zfs set dnodesize=auto "$POOLNAME"
+    fi
 
 else
     msg_box "It seems like /dev/$DEVTYPE does not exist.