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ipvs: convert sed 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 11:46:45 +02:00 committed by Pablo Neira Ayuso
parent c0d0c0a1c0
commit 9be52aba7a
1 changed files with 2 additions and 2 deletions
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4
net/netfilter/ipvs/ip_vs_sed.c
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@ -79,7 +79,7 @@ ip_vs_sed_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;
@ -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. * 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_sed_dest_overhead(dest); doh = ip_vs_sed_dest_overhead(dest);