net/ipv6/ip6_fib.c

46 	int sernum;
598 		int sernum = READ_ONCE(w->root->fn_sernum);
599 		if (cb->args[5] != sernum) {
601 			cb->args[5] = sernum;
1351 					   int sernum)
1359 		WRITE_ONCE(fn->fn_sernum, sernum);
1370 /* allow ipv4 to update sernum via ipv6_stub */
2191 	if (c->sernum != FIB6_NO_SERNUM_CHANGE &&
2192 	    READ_ONCE(w->node->fn_sernum) != c->sernum)
2193 		WRITE_ONCE(w->node->fn_sernum, c->sernum);
2196 		WARN_ON_ONCE(c->sernum == FIB6_NO_SERNUM_CHANGE);
2240 			    int sernum, void *arg, bool skip_notify)
2250 	c.sernum = sernum;
2260 			     int sernum, void *arg, bool skip_notify)
2272 					func, sernum, arg, skip_notify);
2596 	iter->sernum = READ_ONCE(iter->w.root->fn_sernum);
2624 	int sernum = READ_ONCE(iter->w.root->fn_sernum);
2626 	if (iter->sernum != sernum) {
2627 		iter->sernum = sernum;