Optimization for booting OpenWrt

GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_cmd.c

@@ -4204,8 +4204,18 @@ static int ventoy_fs_enum_1st_file(const char *filename, const struct grub_dirho
     return 0;
 }
 
+static int ventoy_fs_enum_1st_dir(const char *filename, const struct grub_dirhook_info *info, void *data)
+{
+    if (info->dir && filename && filename[0] != '.')
+    {
+        grub_snprintf((char *)data, 256, "%s", filename);
+        return 1;
+    }
 
-static grub_err_t ventoy_cmd_fs_enum_1st_file(grub_extcmd_context_t ctxt, int argc, char **args)
+    return 0;
+}
+
+static grub_err_t ventoy_fs_enum_1st_child(int argc, char **args, grub_fs_dir_hook_t hook)
 {
     int rc = 1;
     char *device_name = NULL;
@@ -4213,11 +4223,9 @@ static grub_err_t ventoy_cmd_fs_enum_1st_file(grub_extcmd_context_t ctxt, int ar
     grub_fs_t fs = NULL;
     char name[256] ={0};
     
-    (void)ctxt;
-
     if (argc != 3)
     {
-        debug("ventoy_cmd_fs_enum_1st_file, invalid param num %d\n", argc);
+        debug("ventoy_fs_enum_1st_child, invalid param num %d\n", argc);
         return 1;
     }
 
@@ -4242,7 +4250,7 @@ static grub_err_t ventoy_cmd_fs_enum_1st_file(grub_extcmd_context_t ctxt, int ar
         goto end;
     }
 
-    fs->fs_dir(dev, args[1], ventoy_fs_enum_1st_file, name);
+    fs->fs_dir(dev, args[1], hook, name);
     if (name[0])
     {
         ventoy_set_env(args[2], name);
@@ -4258,6 +4266,18 @@ end:
     return rc;
 }
 
+static grub_err_t ventoy_cmd_fs_enum_1st_file(grub_extcmd_context_t ctxt, int argc, char **args)
+{
+    (void)ctxt;
+    return ventoy_fs_enum_1st_child(argc, args, ventoy_fs_enum_1st_file);
+}
+
+static grub_err_t ventoy_cmd_fs_enum_1st_dir(grub_extcmd_context_t ctxt, int argc, char **args)
+{
+    (void)ctxt;
+    return ventoy_fs_enum_1st_child(argc, args, ventoy_fs_enum_1st_dir);
+}
+
 static grub_err_t ventoy_cmd_basename(grub_extcmd_context_t ctxt, int argc, char **args)
 {
     char c;
@@ -4491,6 +4511,7 @@ static cmd_para ventoy_cmds[] =
     { "vt_check_part_exist", ventoy_cmd_part_exist, 0, NULL, "", "", NULL },
     { "vt_get_fs_label", ventoy_cmd_get_fs_label, 0, NULL, "", "", NULL },
     { "vt_fs_enum_1st_file", ventoy_cmd_fs_enum_1st_file, 0, NULL, "", "", NULL },
+    { "vt_fs_enum_1st_dir", ventoy_cmd_fs_enum_1st_dir, 0, NULL, "", "", NULL },
     { "vt_file_basename", ventoy_cmd_basename, 0, NULL, "", "", NULL },    
     { "vt_file_basefile", ventoy_cmd_basefile, 0, NULL, "", "", NULL },    
     { "vt_enum_video_mode", ventoy_cmd_enum_video_mode, 0, NULL, "", "", NULL },    

IMG/cpio/ventoy/loop/openwrt/ventoy-disk.sh

@@ -27,6 +27,59 @@ vtlog "####### $0 $* ########"
 
 VTPATH_OLD=$PATH; PATH=$BUSYBOX_PATH:$VTOY_PATH/tool:$PATH
 
+
+check_insmod() {
+    if [ -f "$1" ]; then
+        vtlog "insmod $1"
+        insmod "$1" >> $VTOY_PATH/log 2>&1
+    else
+        vtlog "$1 not exist"
+    fi
+}
+
+wrt_insmod() {
+    kbit=$1
+    kv=$(uname -r)
+    
+    vtlog "insmod $kv $kbit"
+    
+    check_insmod /ventoy_openwrt/$kv/$kbit/dax.ko
+    check_insmod /ventoy_openwrt/$kv/$kbit/dm-mod.ko    
+}
+
+insmod_dm_mod() {
+    if grep -q "device-mapper" /proc/devices; then
+        vtlog "device-mapper enabled by system 0"
+        return
+    fi
+    
+    check_insmod /ventoy/modules/dax.ko
+    check_insmod /ventoy/modules/dm-mod.ko
+
+    if grep -q "device-mapper" /proc/devices; then
+        vtlog "device-mapper enabled by system 1"
+        return
+    fi
+    
+    if [ -f /ventoy_openwrt.xz ]; then
+        tar xf /ventoy_openwrt.xz -C /
+        rm -f  /ventoy_openwrt.xz
+    fi
+
+    if uname -m | egrep -q "amd64|x86_64"; then
+        wrt_insmod 64
+    else
+        wrt_insmod generic    
+        if lsmod | grep -q 'dm-mod'; then
+            vterr "insmod generic failed"
+        else
+            wrt_insmod legacy
+        fi
+    fi
+}
+
+insmod_dm_mod
+
 for i in $(ls /sys/class/block/); do
     if ! [ -e /dev/$i ]; then
         blkdev_num=$(sed 's/:/ /g' /sys/class/block/$i/dev)

IMG/cpio/ventoy/loop/openwrt/ventoy-hook.sh

@@ -21,37 +21,8 @@
 
 VTPATH_OLD=$PATH; PATH=$BUSYBOX_PATH:$VTOY_PATH/tool:$PATH
 
-wrt_insmod() {
-    kbit=$1
-    kv=$(uname -r)
-    
-    echo "insmod $kv $kbit" >> $VTOY_PATH/log
-    
-    [ -f /ventoy_openwrt/$kv/$kbit/dax.ko ] && insmod /ventoy_openwrt/$kv/$kbit/dax.ko > /dev/null 2>&1
-    [ -f /ventoy_openwrt/$kv/$kbit/dm-mod.ko ] && insmod /ventoy_openwrt/$kv/$kbit/dm-mod.ko > /dev/null 2>&1
-}
-
-
 mkdir /sys
 mount -t sysfs sys /sys
 mdev -s
 
-
-if [ -f /ventoy_openwrt.xz ]; then
-    tar xf /ventoy_openwrt.xz -C /
-    rm -f  /ventoy_openwrt.xz
-fi
-
-
-if uname -m | egrep -q "amd64|x86_64"; then
-    wrt_insmod 64
-else
-    wrt_insmod generic    
-    if lsmod | grep -q 'dm-mod'; then
-        echo "insmod generic failed" >> $VTOY_PATH/log
-    else
-        wrt_insmod legacy
-    fi
-fi
-
 sh $VTOY_PATH/loop/openwrt/ventoy-disk.sh

INSTALL/grub/grub.cfg

@@ -1626,6 +1626,14 @@ function ventoy_img_openwrt {
         set ventoy_busybox_ver=64
     fi
 
+    vt_fs_enum_1st_dir (vtimghd,2) /lib/modules/ vt_dir_name
+    
+    if [ -f (vtimghd,2)/lib/modules/$vt_dir_name/dm-mod.ko ]; then
+        vt_img_extra_initrd_append  (vtimghd,2)/lib/modules/$vt_dir_name/dm-mod.ko
+        if [ -f (vtimghd,2)/lib/modules/$vt_dir_name/dax.ko ]; then
+            vt_img_extra_initrd_append  (vtimghd,2)/lib/modules/$vt_dir_name/dax.ko
+        fi
+    else
         if [ ! -f ${vtoy_iso_part}/ventoy/ventoy_openwrt.xz ]; then
             ventoy_gui_console
             echo -e "\n ventoy_openwrt.xz not found. Please refer https://www.ventoy.net/en/doc_openwrt.html.\n"
@@ -1635,6 +1643,7 @@ function ventoy_img_openwrt {
             ventoy_cli_console
             return
         fi
+    fi
 
     if vt_img_check_range "${vtoy_iso_part}${vt_chosen_path}"; then
         ventoy_debug_pause