ipvs: convert sed scheduler to rcu
authorJulian Anastasov <ja@ssi.bg>
Fri, 22 Mar 2013 09:46:45 +0000 (11:46 +0200)
committerPablo Neira Ayuso <pablo@netfilter.org>
Mon, 1 Apr 2013 22:23:52 +0000 (00:23 +0200)
The schedule method now needs _rcu list-traversal
primitive for svc->destinations.

Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Simon Horman <horms@verge.net.au>
net/netfilter/ipvs/ip_vs_sed.c

index 89ead246ed3d250aa24bc2e195f4901f7b73b1d3..d01187084b7f2038ff97639ee4237126cc51fb59 100644 (file)
@@ -79,7 +79,7 @@ ip_vs_sed_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
         * new connections.
         */
 
-       list_for_each_entry(dest, &svc->destinations, n_list) {
+       list_for_each_entry_rcu(dest, &svc->destinations, n_list) {
                if (!(dest->flags & IP_VS_DEST_F_OVERLOAD) &&
                    atomic_read(&dest->weight) > 0) {
                        least = dest;
@@ -94,7 +94,7 @@ ip_vs_sed_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
         *    Find the destination with the least load.
         */
   nextstage:
-       list_for_each_entry_continue(dest, &svc->destinations, n_list) {
+       list_for_each_entry_continue_rcu(dest, &svc->destinations, n_list) {
                if (dest->flags & IP_VS_DEST_F_OVERLOAD)
                        continue;
                doh = ip_vs_sed_dest_overhead(dest);