diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index ca7b5ff..fe2cc0b 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -791,11 +791,10 @@
 		return __get_segment_type_2(page, p_type);
 	case 4:
 		return __get_segment_type_4(page, p_type);
-	case 6:
-		return __get_segment_type_6(page, p_type);
-	default:
-		BUG();
 	}
+	/* NR_CURSEG_TYPE(6) logs by default */
+	BUG_ON(sbi->active_logs != NR_CURSEG_TYPE);
+	return __get_segment_type_6(page, p_type);
 }
 
 static void do_write_page(struct f2fs_sb_info *sbi, struct page *page,
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 50240d2..cf0ffb8 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -302,7 +302,7 @@
 		case Opt_active_logs:
 			if (args->from && match_int(args, &arg))
 				return -EINVAL;
-			if (arg != 2 && arg != 4 && arg != 6)
+			if (arg != 2 && arg != 4 && arg != NR_CURSEG_TYPE)
 				return -EINVAL;
 			sbi->active_logs = arg;
 			break;