X-Git-Url: https://glassweightruler.freedombox.rocks/gitweb/Ventoy.git/blobdiff_plain/82977d9b8a3328c2532c8e50fb82b36b95c22333..44fb9f456480f7d3feb0b35a32d08ae32a713883:/IMG/cpio/ventoy/hook/ventoy-hook-lib.sh diff --git a/IMG/cpio/ventoy/hook/ventoy-hook-lib.sh b/IMG/cpio/ventoy/hook/ventoy-hook-lib.sh index 7a3a982..99badaf 100644 --- a/IMG/cpio/ventoy/hook/ventoy-hook-lib.sh +++ b/IMG/cpio/ventoy/hook/ventoy-hook-lib.sh @@ -30,6 +30,8 @@ SLEEP=$BUSYBOX_PATH/sleep HEAD=$BUSYBOX_PATH/head VTOY_DM_PATH=/dev/mapper/ventoy VTOY_DEBUG_LEVEL=$($BUSYBOX_PATH/hexdump -n 1 -s 450 -e '1/1 "%02x"' $VTOY_PATH/ventoy_os_param) +VTOY_LINUX_REMOUNT=$($BUSYBOX_PATH/hexdump -n 1 -s 454 -e '1/1 "%02x"' $VTOY_PATH/ventoy_os_param) +VTOY_VLNK_BOOT=$($BUSYBOX_PATH/hexdump -n 1 -s 455 -e '1/1 "%02x"' $VTOY_PATH/ventoy_os_param) if [ "$VTOY_DEBUG_LEVEL" = "01" ]; then if [ -e /dev/console ]; then @@ -57,24 +59,28 @@ vterr() { is_ventoy_hook_finished() { - [ -e $VTOY_PATH/hook_finish ] + [ -e $VTOY_PATH/hook_finish ] } set_ventoy_hook_finish() { - echo 'Y' > $VTOY_PATH/hook_finish + echo 'Y' > $VTOY_PATH/hook_finish } -get_ventoy_disk_name() { - line=$($VTOY_PATH/tool/vtoydump -f /ventoy/ventoy_os_param) - if [ $? -eq 0 ]; then - echo ${line%%#*} - else - echo "unknown" +get_ventoy_disk_name() { + if [ "$VTOY_VLNK_BOOT" = "01" ]; then + $VTOY_PATH/tool/vtoydump -t /ventoy/ventoy_os_param + else + line=$($VTOY_PATH/tool/vtoydump -f /ventoy/ventoy_os_param) + if [ $? -eq 0 ]; then + echo ${line%%#*} + else + echo "unknown" + fi fi } get_ventoy_iso_name() { - line=$($VTOY_PATH/tool/vtoydump -f /ventoy/ventoy_os_param) + line=$($VTOY_PATH/tool/vtoydump -f /ventoy/ventoy_os_param) if [ $? -eq 0 ]; then echo ${line##*#} else @@ -83,8 +89,9 @@ get_ventoy_iso_name() { } wait_for_usb_disk_ready() { - while [ -n "Y" ]; do - usb_disk=$(get_ventoy_disk_name) + vtloop=0 + while [ -n "Y" ]; do + usb_disk=$(get_ventoy_disk_name) vtlog "wait_for_usb_disk_ready $usb_disk ..." if echo $usb_disk | $EGREP -q "nvme|mmc|nbd"; then @@ -95,13 +102,20 @@ wait_for_usb_disk_ready() { if [ -e "${vtpart2}" ]; then vtlog "wait_for_usb_disk_ready $usb_disk finish" - break - else - $SLEEP 0.3 - fi - done + break + else + let vtloop=vtloop+1 + if [ $vtloop -gt 2 ]; then + if [ "$VTLOG" != "$VTOY_PATH/log" ]; then + $VTOY_PATH/tool/vtoydump -f /ventoy/ventoy_os_param -v > $VTLOG + fi + fi + $SLEEP 0.3 + fi + done } + check_usb_disk_ready() { if echo $1 | $EGREP -q "nvme|mmc|nbd"; then vtpart2=${1}p2 @@ -112,14 +126,6 @@ check_usb_disk_ready() { [ -e "${vtpart2}" ] } -is_ventoy_disk() { - if $VTOY_PATH/tool/vtoydump -f $VTOY_PATH/ventoy_os_param -c "$1"; then - $BUSYBOX_PATH/true - else - $BUSYBOX_PATH/false - fi -} - not_ventoy_disk() { if echo $1 | $EGREP -q "nvme.*p$|mmc.*p$|nbd.*p$"; then vtDiskName=${1:0:-1} @@ -127,10 +133,15 @@ not_ventoy_disk() { vtDiskName=$1 fi - if $VTOY_PATH/tool/vtoydump -f $VTOY_PATH/ventoy_os_param -c "$vtDiskName"; then - $BUSYBOX_PATH/false + if [ "$VTOY_VLNK_BOOT" = "01" ]; then + vtVtoyDisk=$($VTOY_PATH/tool/vtoydump -t $VTOY_PATH/ventoy_os_param) + [ "$vtVtoyDisk" != "/dev/$vtDiskName" ] else - $BUSYBOX_PATH/true + if $VTOY_PATH/tool/vtoydump -f $VTOY_PATH/ventoy_os_param -c "$vtDiskName"; then + $BUSYBOX_PATH/false + else + $BUSYBOX_PATH/true + fi fi } @@ -198,11 +209,20 @@ ventoy_check_dm_module() { vtlog "modprobe failed, now try to insmod ko..." $FIND /lib/modules/ -name "dm-mod.ko*" | while read vtline; do - vtlog "insmode $vtline " + vtlog "insmod $vtline " $BUSYBOX_PATH/insmod $vtline >>$VTLOG 2>&1 + if [ $? -eq 0 ]; then + vtlog "insmod success" + else + vtlog "insmod failed, try decompress" + if echo $vtline | $GREP -q "\.zst"; then + $VTOY_PATH/tool/zstdcat $vtline > $VTOY_PATH/extract_dm_mod.ko + $BUSYBOX_PATH/insmod $VTOY_PATH/extract_dm_mod.ko >>$VTLOG 2>&1 + fi + fi done fi - + if $GREP -q 'device-mapper' /proc/devices; then vtlog "device-mapper found in /proc/devices after retry" $BUSYBOX_PATH/true; return @@ -212,6 +232,253 @@ ventoy_check_dm_module() { fi } +ventoy_need_proc_ibt() { + vtKv=$($BUSYBOX_PATH/uname -r) + vtMajor=$(echo $vtKv | $AWK -F. '{print $1}') + vtMinor=$(echo $vtKv | $AWK -F. '{print $2}') + + #ibt was supported since linux kernel 5.18 + if [ $vtMajor -lt 5 ]; then + $BUSYBOX_PATH/false; return + elif [ $vtMajor -eq 5 ]; then + if [ $vtMajor -lt 18 ]; then + $BUSYBOX_PATH/false; return + fi + fi + + if $GREP -q ' ibt=off' /proc/cmdline; then + $BUSYBOX_PATH/false; return + fi + + #hardware CPU doesn't support IBT + if $VTOY_PATH/tool/vtoykmod -I; then + : + else + $BUSYBOX_PATH/false; return + fi + + #dot.CONFIG not enabled + if $GREP -q ' ibt_restore$' /proc/kallsyms; then + : + else + $BUSYBOX_PATH/false; return + fi + + $BUSYBOX_PATH/true +} + + +ventoy_need_dm_patch() { + if [ "$VTOY_LINUX_REMOUNT" != "01" ]; then + if $GREP -q 'VTOY_LINUX_REMOUNT=1' /proc/cmdline; then + : + else + $BUSYBOX_PATH/false; return + fi + fi + + if $GREP -q 'device-mapper' /proc/devices; then + : + else + $BUSYBOX_PATH/false; return + fi + + if $GREP -q 'dm_patch' /proc/modules; then + $BUSYBOX_PATH/false; return + fi + + vtMajorVer=$($BUSYBOX_PATH/uname -r | $AWK -F. '{print $1}') + vtMinorVer=$($BUSYBOX_PATH/uname -r | $AWK -F. '{print $2}') + + if [ $vtMajorVer -lt 3 ]; then + $BUSYBOX_PATH/false; return + elif [ $vtMajorVer -eq 3 -a $vtMinorVer -lt 10 ]; then + $BUSYBOX_PATH/false; return + fi + + + $BUSYBOX_PATH/true +} + +ventoy_dm_patch() { + vtDmPatchDebug=0 + vtMType=$($BUSYBOX_PATH/uname -m) + + vtlog "######### ventoy_dm_patch ############" + + if echo $vtMType | $EGREP -i -q "x86.64|amd64"; then + vtKoName=dm_patch_64.ko + elif echo $vtMType | $EGREP -i -q "i[3-6]86"; then + vtKoName=dm_patch_32.ko + else + vtlog "unsupported machine type $vtMType" + return + fi + + if ventoy_need_proc_ibt; then + vtlog "need to proc IBT" + vtKoName=dm_patch_ibt_64.ko + vtIBT='0x8888' + else + vtlog "NO need to proc IBT" + vtIBT='0' + fi + + + if [ -f $VTOY_PATH/tool/$vtKoName ]; then + vtlog "/ventoy/tool/$vtKoName exist OK" + else + vtlog "/ventoy/tool/$vtKoName NOT exist" + return + fi + + $CAT /proc/kallsyms | $BUSYBOX_PATH/sort > $VTOY_PATH/kallsyms + + if $GREP -m1 -q 'open_table_device.isra' $VTOY_PATH/kallsyms; then + vtLine=$($VTOY_PATH/tool/vtoyksym open_table_device.isra $VTOY_PATH/kallsyms) + vtlog "get open_table_device.isra address $vtLine" + else + vtLine=$($VTOY_PATH/tool/vtoyksym dm_get_table_device $VTOY_PATH/kallsyms) + vtlog "get dm_get_table_device address $vtLine" + fi + get_addr=$(echo $vtLine | $AWK '{print $1}') + get_size=$(echo $vtLine | $AWK '{print $2}') + + vtLine=$($VTOY_PATH/tool/vtoyksym blkdev_get_by_dev $VTOY_PATH/kallsyms) + vtlog "get blkdev_get_by_dev address $vtLine" + blkdev_get_addr=$(echo $vtLine | $AWK '{print $1}') + + vtLine=$($VTOY_PATH/tool/vtoyksym blkdev_put $VTOY_PATH/kallsyms) + vtlog "get blkdev_put address $vtLine" + blkdev_put_addr=$(echo $vtLine | $AWK '{print $1}') + + vtLine=$($VTOY_PATH/tool/vtoyksym bdev_open_by_dev $VTOY_PATH/kallsyms) + vtlog "get bdev_open_by_dev address $vtLine" + bdev_open_addr=$(echo $vtLine | $AWK '{print $1}') + + + if $GREP -m1 -q 'close_table_device.isra' $VTOY_PATH/kallsyms; then + vtLine=$($VTOY_PATH/tool/vtoyksym close_table_device.isra $VTOY_PATH/kallsyms) + vtlog "get close_table_device.isra address $vtLine" + else + vtLine=$($VTOY_PATH/tool/vtoyksym dm_put_table_device $VTOY_PATH/kallsyms) + vtlog "get dm_put_table_device address $vtLine" + fi + put_addr=$(echo $vtLine | $AWK '{print $1}') + put_size=$(echo $vtLine | $AWK '{print $2}') + + ro_addr=$($GREP ' set_memory_ro$' /proc/kallsyms | $AWK '{print $1}') + rw_addr=$($GREP ' set_memory_rw$' /proc/kallsyms | $AWK '{print $1}') + kprobe_reg_addr=$($GREP ' register_kprobe$' /proc/kallsyms | $AWK '{print $1}') + kprobe_unreg_addr=$($GREP ' unregister_kprobe$' /proc/kallsyms | $AWK '{print $1}') + + if [ "$VTOY_DEBUG_LEVEL" = "01" ]; then + vtDmPatchDebug=1 + fi + + if $GREP -q 'dmpatch_debug' /proc/cmdline; then + vtDmPatchDebug=1 + fi + + + if [ $vtDmPatchDebug -eq 1 ]; then + printk_addr=$($GREP ' printk$' /proc/kallsyms | $AWK '{print $1}') + if [ -z "$printk_addr" ]; then + printk_addr=$($GREP ' _printk$' /proc/kallsyms | $AWK '{print $1}') + fi + vtDebug="-v" + else + printk_addr=0 + fi + + #printk_addr=$($GREP ' printk$' /proc/kallsyms | $AWK '{print $1}') + #vtDebug="-v" + + vtlog get_addr=$get_addr get_size=$get_size + vtlog put_addr=$put_addr put_size=$put_size + vtlog blkdev_get_addr=$blkdev_get_addr blkdev_put_addr=$blkdev_put_addr + vtlog kprobe_reg_addr=$kprobe_reg_addr kprobe_unreg_addr=$kprobe_unreg_addr + vtlog ro_addr=$ro_addr rw_addr=$rw_addr printk_addr=$printk_addr bdev_open_addr=$bdev_open_addr + + if [ "$get_addr" = "0" -o "$put_addr" = "0" ]; then + vtlog "Invalid symbol address" + return + fi + if [ "$ro_addr" = "0" -o "$rw_addr" = "0" ]; then + vtlog "Invalid symbol address" + return + fi + + + vtKv=$($BUSYBOX_PATH/uname -r) + vtKVMajor=$(echo $vtKv | $AWK -F. '{print $1}') + vtKVMinor=$(echo $vtKv | $AWK -F. '{print $2}') + vtKVSubMinor=$(echo $vtKv | $AWK -F. '{print $3}') + + if [ ! -d /lib/modules/$vtKv ]; then + vtlog "No modules directory found" + return + elif [ -d /lib/modules/$vtKv/kernel/fs ]; then + vtModPath=$($FIND /lib/modules/$vtKv/kernel/fs/ -name "*.ko*" | $HEAD -n1) + elif [ -d /lib/modules/$vtKv/kernel ]; then + vtModPath=$($FIND /lib/modules/$vtKv/kernel/ -name "xfs.ko*" | $HEAD -n1) + elif [ -d /lib/modules/$vtKv/initrd ]; then + vtModPath=$($FIND /lib/modules/$vtKv/initrd/ -name "xfs.ko*" | $HEAD -n1) + fi + + + if [ -z "$vtModPath" ]; then + vtModPath=$($FIND /lib/modules/$vtKv/ -name "*.ko*" | $HEAD -n1) + fi + + vtModName=$($BUSYBOX_PATH/basename $vtModPath) + + vtlog "template module is $vtModPath $vtModName" + + if [ -z "$vtModPath" ]; then + vtlog "No template module found" + return + elif echo $vtModPath | $GREP -q "[.]ko$"; then + $BUSYBOX_PATH/cp -a $vtModPath $VTOY_PATH/$vtModName + elif echo $vtModPath | $GREP -q "[.]ko[.]xz$"; then + $BUSYBOX_PATH/xzcat $vtModPath > $VTOY_PATH/$vtModName + elif echo $vtModPath | $GREP -q "[.]ko[.]gz$"; then + $BUSYBOX_PATH/zcat $vtModPath > $VTOY_PATH/$vtModName + elif echo $vtModPath | $GREP -q "[.]ko[.]zst$"; then + $VTOY_PATH/tool/zstdcat $vtModPath > $VTOY_PATH/$vtModName + else + vtlog "unsupport module type" + return + fi + + + + #step1: modify vermagic/mod crc/relocation + vtlog "$VTOY_PATH/tool/vtoykmod -u $vtKVMajor $vtKVMinor $VTOY_PATH/tool/$vtKoName $VTOY_PATH/$vtModName $vtDebug" + $VTOY_PATH/tool/vtoykmod -u $vtKVMajor $vtKVMinor $VTOY_PATH/tool/$vtKoName $VTOY_PATH/$vtModName $vtDebug >>$VTLOG 2>&1 + + #step2: fill parameters + vtPgsize=$($VTOY_PATH/tool/vtoyksym -p) + + vtPrams="$VTOY_PATH/tool/$vtKoName $vtPgsize 0x$printk_addr 0x$ro_addr 0x$rw_addr $get_addr $get_size $put_addr $put_size 0x$kprobe_reg_addr 0x$kprobe_unreg_addr $vtKVMajor $vtIBT $vtKVMinor $blkdev_get_addr $blkdev_put_addr $vtKVSubMinor $bdev_open_addr $vtDebug" + + + vtlog "$VTOY_PATH/tool/vtoykmod -f $vtPrams" + $VTOY_PATH/tool/vtoykmod -f $vtPrams >>$VTLOG 2>&1 + + + vtlog "insmod $VTOY_PATH/tool/$vtKoName" + $BUSYBOX_PATH/insmod $VTOY_PATH/tool/$vtKoName >>$VTLOG 2>&1 + + if $GREP -q 'dm_patch' /proc/modules; then + vtlog "dm_patch module OK" + echo "done" > $VTOY_PATH/dm_patch_done + else + vtlog "dm_patch module FAILED" + fi + +} + create_ventoy_device_mapper() { vtlog "create_ventoy_device_mapper $*" @@ -222,19 +489,36 @@ create_ventoy_device_mapper() { fi vtlog "dmsetup avaliable in system $VT_DM_BIN" - + if ventoy_check_dm_module "$1"; then vtlog "device-mapper module check success" else vterr "Error: no dm module avaliable" fi - $VTOY_PATH/tool/vtoydm -p -f $VTOY_PATH/ventoy_image_map -d $1 > $VTOY_PATH/ventoy_dm_table + $VTOY_PATH/tool/vtoydm -p -f $VTOY_PATH/ventoy_image_map -d $1 > $VTOY_PATH/ventoy_dm_table + + + vtLevel1=$($CAT /proc/sys/kernel/printk | $AWK '{print $1}') + vtLevel2=$($CAT /proc/sys/kernel/printk | $AWK '{print $2}') + vtLevel3=$($CAT /proc/sys/kernel/printk | $AWK '{print $3}') + vtLevel4=$($CAT /proc/sys/kernel/printk | $AWK '{print $4}') + if ventoy_need_dm_patch; then + ventoy_dm_patch + #suppress printk message + echo 0 $vtLevel2 0 $vtLevel4 > /proc/sys/kernel/printk + fi + if [ -z "$2" ]; then $VT_DM_BIN create ventoy $VTOY_PATH/ventoy_dm_table >>$VTLOG 2>&1 else $VT_DM_BIN "$2" create ventoy $VTOY_PATH/ventoy_dm_table >>$VTLOG 2>&1 - fi + fi + + if ventoy_need_dm_patch; then + #recover printk level + echo $vtLevel1 $vtLevel2 $vtLevel3 $vtLevel4 > /proc/sys/kernel/printk + fi } create_persistent_device_mapper() { @@ -254,8 +538,24 @@ create_persistent_device_mapper() { vterr "Error: no dm module avaliable" fi - $VTOY_PATH/tool/vtoydm -p -f $VTOY_PATH/ventoy_persistent_map -d $1 > $VTOY_PATH/persistent_dm_table + $VTOY_PATH/tool/vtoydm -p -f $VTOY_PATH/ventoy_persistent_map -d $1 > $VTOY_PATH/persistent_dm_table + + + vtLevel1=$($CAT /proc/sys/kernel/printk | $AWK '{print $1}') + vtLevel2=$($CAT /proc/sys/kernel/printk | $AWK '{print $2}') + vtLevel3=$($CAT /proc/sys/kernel/printk | $AWK '{print $3}') + vtLevel4=$($CAT /proc/sys/kernel/printk | $AWK '{print $4}') + if [ -f $VTOY_PATH/dm_patch_done ]; then + #suppress printk message + echo 0 $vtLevel2 0 $vtLevel4 > /proc/sys/kernel/printk + fi + $VT_DM_BIN create vtoy_persistent $VTOY_PATH/persistent_dm_table >>$VTLOG 2>&1 + + if [ -f $VTOY_PATH/dm_patch_done ]; then + #recover printk level + echo $vtLevel1 $vtLevel2 $vtLevel3 $vtLevel4 > /proc/sys/kernel/printk + fi } @@ -485,6 +785,22 @@ ventoy_create_persistent_link() { fi } +ventoy_partname_to_diskname() { + if echo $1 | $EGREP -q "nvme.*p[0-9]$|mmc.*p[0-9]$|nbd.*p[0-9]$"; then + echo -n "${1:0:-2}" + else + echo -n "${1:0:-1}" + fi +} + +ventoy_diskname_to_partname() { + if echo $1 | $EGREP -q "nvme.*p[0-9]$|mmc.*p[0-9]$|nbd.*p[0-9]$"; then + echo -n "${1}p$2" + else + echo -n "${1}$2" + fi +} + ventoy_udev_disk_common_hook() { if echo $1 | $EGREP -q "nvme.*p[0-9]$|mmc.*p[0-9]$|nbd.*p[0-9]$"; then VTDISK="${1:0:-2}" @@ -533,6 +849,11 @@ ventoy_udev_disk_common_hook() { create_persistent_device_mapper "/dev/$VTDISK" ventoy_create_persistent_link fi + + if $GREP -q 'dm_patch' /proc/modules; then + vtlog "remove dm_patch module." + $BUSYBOX_PATH/rmmod dm_patch + fi } ventoy_create_dev_ventoy_part() { @@ -542,6 +863,15 @@ ventoy_create_dev_ventoy_part() { if [ -e /vtoy_dm_table ]; then vtPartid=1 + vtLevel1=$($CAT /proc/sys/kernel/printk | $AWK '{print $1}') + vtLevel2=$($CAT /proc/sys/kernel/printk | $AWK '{print $2}') + vtLevel3=$($CAT /proc/sys/kernel/printk | $AWK '{print $3}') + vtLevel4=$($CAT /proc/sys/kernel/printk | $AWK '{print $4}') + if [ -f $VTOY_PATH/dm_patch_done ]; then + #suppress printk message + echo 0 $vtLevel2 0 $vtLevel4 > /proc/sys/kernel/printk + fi + $CAT /vtoy_dm_table | while read vtline; do echo $vtline > /ventoy/dm_table_part${vtPartid} $VTOY_PATH/tool/dmsetup create ventoy${vtPartid} /ventoy/dm_table_part${vtPartid} @@ -549,6 +879,36 @@ ventoy_create_dev_ventoy_part() { blkdev_num=$($VTOY_PATH/tool/dmsetup ls | $GREP ventoy${vtPartid} | $SED 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1 \2/') $BUSYBOX_PATH/mknod -m 0666 /dev/ventoy${vtPartid} b $blkdev_num + vtPartid=$(expr $vtPartid + 1) + done + + if [ -f $VTOY_PATH/dm_patch_done ]; then + #recover printk level + echo $vtLevel1 $vtLevel2 $vtLevel3 $vtLevel4 > /proc/sys/kernel/printk + fi + fi +} + + +ventoy_create_chromeos_ventoy_part() { + blkdev_num=$($VTOY_PATH/tool/dmsetup ls | $GREP ventoy | $SED 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1 \2/') + $BUSYBOX_PATH/mknod -m 0666 /dev/ventoy b $blkdev_num + + if [ -e /vtoy_dm_table ]; then + vtPartid=1 + + $CAT /vtoy_dm_table | while read vtline; do + echo $vtline > /ventoy/dm_table_part${vtPartid} + + if [ $vtPartid -eq $1 ]; then + $VTOY_PATH/tool/dmsetup create ventoy${vtPartid} /ventoy/dm_table_part${vtPartid} --readonly + else + $VTOY_PATH/tool/dmsetup create ventoy${vtPartid} /ventoy/dm_table_part${vtPartid} + fi + + blkdev_num=$($VTOY_PATH/tool/dmsetup ls | $GREP ventoy${vtPartid} | $SED 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1 \2/') + $BUSYBOX_PATH/mknod -m 0666 /dev/ventoy${vtPartid} b $blkdev_num + vtPartid=$(expr $vtPartid + 1) done fi @@ -565,7 +925,12 @@ is_inotify_ventoy_part() { fi if [ -e /dev/$vtShortName ]; then - $VTOY_PATH/tool/vtoydump -f $VTOY_PATH/ventoy_os_param -c $vtShortName + if [ "$VTOY_VLNK_BOOT" = "01" ]; then + vtOrgDiskName=$($VTOY_PATH/tool/vtoydump -t $VTOY_PATH/ventoy_os_param) + [ "$vtOrgDiskName" = "/dev/$vtShortName" ] + else + $VTOY_PATH/tool/vtoydump -f $VTOY_PATH/ventoy_os_param -c $vtShortName + fi return fi fi @@ -610,3 +975,35 @@ ventoy_extract_vtloopex() { cd $vtCurPwd } + +ventoy_check_install_module_xz() { + if [ -f "${1}.xz" ]; then + $BUSYBOX_PATH/xz -d "${1}.xz" + $BUSYBOX_PATH/insmod "$1" + fi +} + +ventoy_check_umount() { + for vtLoop in 0 1 2 3 4 5 6 7 8 9; do + $BUSYBOX_PATH/umount "$1" > /dev/null 2>&1 + if $BUSYBOX_PATH/mountpoint -q "$1"; then + $SLEEP 1 + else + break + fi + done +} + +ventoy_wait_dir() { + vtdir=$1 + vtsec=0 + + while [ $vtsec -lt $2 ]; do + if [ -d "$vtdir" ]; then + break + else + $SLEEP 1 + vtsec=$(expr $vtsec + 1) + fi + done +}