+restart () {
+ # OVS_FORCE_RELOAD_KMOD can be set by package postinst script.
+ if [ "$1" = "--save-flows=yes" ] || \
+ [ "${OVS_FORCE_RELOAD_KMOD}" = "no" ]; then
+ start restart
+ elif [ "${OVS_FORCE_RELOAD_KMOD}" = "yes" ]; then
+ depmod -a
+
+ if [ -e /sys/module/openvswitch ]; then
+ LOADED_SRCVERSION=`cat /sys/module/openvswitch/srcversion`
+ LOADED_VERSION=`cat /sys/module/openvswitch/version`
+ elif [ -e /sys/module/openvswitch_mod ]; then
+ LOADED_SRCVERSION=`cat /sys/module/openvswitch_mod/srcversion`
+ LOADED_VERSION=`cat /sys/module/openvswitch_mod/version`
+ fi
+ SRCVERSION=`modinfo -F srcversion openvswitch 2>/dev/null`
+ VERSION=`modinfo -F version openvswitch 2>/dev/null`
+
+ ovs_ctl_log "Package upgrading:\n"\
+ "Loaded version: ${LOADED_VERSION} ${LOADED_SRCVERSION}.\n"\
+ "Version on disk: ${VERSION} ${SRCVERSION}."
+
+ # If the kernel module was previously loaded and it is different than
+ # the kernel module on disk, then do a 'force-reload-kmod'.
+ if [ -n "${LOADED_SRCVERSION}" ] && [ -n "${SRCVERSION}" ] && \
+ [ "${SRCVERSION}" != "${LOADED_SRCVERSION}" ]; then
+ start force-reload-kmod
+ else
+ start restart
+ fi
+ else
+ stop
+ start
+ fi
+}
+