# --- T2-COPYRIGHT-BEGIN ---
# t2/package/*/disktype/hotfix-ext3.patch
# Copyright (C) 2010 - 2026 The T2 SDE Project
# SPDX-License-Identifier: GPL-2.0 or patched project license
# --- T2-COPYRIGHT-END ---

New mkfs.ext3 also set min_extra_isize, and thus are misqualified as ext4, ...

  - Rene Rebe <rene@exactcode.de>

--- disktype/linux.c.vanilla	2010-02-06 14:09:54.000000000 +0000
+++ disktype/linux.c	2010-02-06 14:09:18.000000000 +0000
@@ -60,9 +60,11 @@
     /* Ext4 RO_COMPAT features: HUGE_FILE, GDT_CSUM, DIR_NLINK, EXTRA_ISIZE */
     if (get_le_long(buf + 100) & 0x0078)
       fslevel = 4;
+#if 0
     /* Ext4 sets min_extra_isize even on external journals */
     if (get_le_short(buf + 348) >= 0x1c)
       fslevel = 4;
+#endif
     /* Ext4dev TEST_FILESYS flag */
     if (get_le_long(buf + 352) & 0x0004)
       is_dev = 1;