We should use new RAID0 layout by default - otherwise RAID0 MD assembly fails

Makefile

@@ -16,6 +16,7 @@ all:
 	patch -Np1 -d libguestfs-1.42.0 < libguestfs-1.42.0-mlv2v.patch
 	patch -Np1 -d libguestfs-1.42.0 < libguestfs-1.42.0-fix_test_timeout.patch
 	patch -Np1 -d libguestfs-1.42.0 < libguestfs-1.42.0-force_resize2fs.patch
+	patch -Np1 -d libguestfs-1.42.0 < libguestfs-1.42.0-set_raid0_layout.patch
 	cd libguestfs-1.42.0 && ./configure --prefix=/usr --sysconfdir=/etc --with-extra-packages="glibc readline ncurses util-linux xz pcre zlib systemd iproute2 libcap jansson augeas hivex libtirpc parted mdadm libaio cryptsetup popt openssl json-c cdrkit gptfdisk gcc"
 	$(MAKE) -C libguestfs-1.42.0
 

libguestfs-1.42.0-set_raid0_layout.patch

+diff -uNr libguestfs-1.42.0/lib/appliance-kcmdline.c libguestfs-1.42.0-set_raid0_layout/lib/appliance-kcmdline.c
+--- libguestfs-1.42.0/lib/appliance-kcmdline.c	2020-03-07 06:01:08.166077997 +1030
++++ libguestfs-1.42.0-set_raid0_layout/lib/appliance-kcmdline.c	2022-03-22 05:15:31.808267407 +1030
+@@ -204,6 +204,9 @@
+   /* Don't scan all 8250 UARTS. */
+   guestfs_int_add_string (g, &argv, "8250.nr_uarts=1");
+ 
++  /* Force use of new RAID0 layout */
++  guestfs_int_add_string (g, &argv, "raid0.default_layout=2");
++
+   /* Tell supermin about the appliance device. */
+   if (appliance) {
+     CLEANUP_FREE char *uuid = get_root_uuid (g, appliance);