+
+ if echo $vtParam | $GREP -q '^inst.ks=.*:/'; then
+ vtRawKsFull="$vtParam"
+ vtRawKs=$(echo $vtParam | $AWK -F: '{print $NF}')
+ VTKS="inst.ks=hd:/dev/ventoy:$vtRawKs"
+ break
+ fi
+ done
+fi
+
+if [ -f $VTOY_PATH/ventoy_persistent_map ]; then
+ VTOVERLAY="rd.live.overlay=/dev/dm-1:/vtoyoverlayfs/overlayfs"
+
+ if [ -e /sbin/dmsquash-live-root ]; then
+ echo "patch /sbin/dmsquash-live-root for persistent ..." >> $VTLOG
+ $SED "/mount.*devspec.*\/run\/initramfs\/overlayfs/a . /ventoy/hook/rhel7/ventoy-overlay.sh" -i /sbin/dmsquash-live-root
+ $SED "s/osmin.img/osmin.imgxxxx/g" -i /sbin/dmsquash-live-root
+ fi
+
+ #close selinux
+ $BUSYBOX_PATH/mkdir -p $VTOY_PATH/selinuxfs
+ if $BUSYBOX_PATH/mount -t selinuxfs selinuxfs $VTOY_PATH/selinuxfs; then
+ echo 1 > $VTOY_PATH/selinuxfs/disable
+ $BUSYBOX_PATH/umount $VTOY_PATH/selinuxfs
+ fi
+ $BUSYBOX_PATH/rm -rf $VTOY_PATH/selinuxfs
+fi
+
+echo "VTKS=$VTKS VTOVERLAY=$VTOVERLAY" >> $VTLOG
+
+if [ -n "$vtRawKs" ]; then
+ if echo $vtRawKsFull | $EGREP -q "=http|=https|=ftp|=nfs|=hmc"; then
+ echo "vtRawKsFull=$vtRawKsFull no patch needed." >> $VTLOG
+ vtRawKs=""
+ VTKS=""
+ else
+ echo "$vtRawKs" > $VTOY_PATH/ventoy_ks_rootpath
+ fi