ipvs: convert wlc scheduler to rcu

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>
This commit is contained in:
Julian Anastasov 2013-03-22 11:46:47 +02:00 коммит произвёл Pablo Neira Ayuso
Родитель 1acb7f6761
Коммит b310faad3e
1 изменённых файлов: 2 добавлений и 2 удалений

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@ -51,7 +51,7 @@ ip_vs_wlc_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
* new connections. * 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) && if (!(dest->flags & IP_VS_DEST_F_OVERLOAD) &&
atomic_read(&dest->weight) > 0) { atomic_read(&dest->weight) > 0) {
least = dest; least = dest;
@ -66,7 +66,7 @@ ip_vs_wlc_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
* Find the destination with the least load. * Find the destination with the least load.
*/ */
nextstage: 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) if (dest->flags & IP_VS_DEST_F_OVERLOAD)
continue; continue;
doh = ip_vs_dest_conn_overhead(dest); doh = ip_vs_dest_conn_overhead(dest);