Patchwork [net-next,10/19] ipvs: convert sed scheduler to rcu

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Submitter Julian Anastasov
Date March 22, 2013, 9:46 a.m.
Message ID <1363945614-11752-11-git-send-email-ja@ssi.bg>
Download mbox | patch
Permalink /patch/229947/
State Not Applicable
Delegated to: David Miller
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Comments

Julian Anastasov - March 22, 2013, 9:46 a.m.
The schedule method now needs _rcu list-traversal
primitive for svc->destinations.

Signed-off-by: Julian Anastasov <ja@ssi.bg>
---
 net/netfilter/ipvs/ip_vs_sed.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

Patch

diff --git a/net/netfilter/ipvs/ip_vs_sed.c b/net/netfilter/ipvs/ip_vs_sed.c
index 89ead246..d011870 100644
--- a/net/netfilter/ipvs/ip_vs_sed.c
+++ b/net/netfilter/ipvs/ip_vs_sed.c
@@ -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);