igmp: RCU conversion of in_dev->mc_list

[net-next-2.6.git] / include / linux / igmp.h

diff --git a/include/linux/igmp.h b/include/linux/igmp.h
index 93fc2449af10e8dded6cbed23b4d979e4b5d10ef..7d164670f264c9ca141bdfea34a3c82c8740b953 100644 (file)
--- a/include/linux/igmp.h
+++ b/include/linux/igmp.h
@@ -167,10 +167,10 @@ struct ip_sf_socklist {
  */
 
 struct ip_mc_socklist {
-       struct ip_mc_socklist   *next;
+       struct ip_mc_socklist __rcu *next_rcu;
        struct ip_mreqn         multi;
        unsigned int            sfmode;         /* MCAST_{INCLUDE,EXCLUDE} */
-       struct ip_sf_socklist   *sflist;
+       struct ip_sf_socklist __rcu     *sflist;
        struct rcu_head         rcu;
 };
 
@@ -186,11 +186,14 @@ struct ip_sf_list {
 struct ip_mc_list {
        struct in_device        *interface;
        __be32                  multiaddr;
+       unsigned int            sfmode;
        struct ip_sf_list       *sources;
        struct ip_sf_list       *tomb;
-       unsigned int            sfmode;
        unsigned long           sfcount[2];
-       struct ip_mc_list       *next;
+       union {
+               struct ip_mc_list *next;
+               struct ip_mc_list __rcu *next_rcu;
+       };
        struct timer_list       timer;
        int                     users;
        atomic_t                refcnt;
@@ -201,6 +204,7 @@ struct ip_mc_list {
        char                    loaded;
        unsigned char           gsquery;        /* check source marks? */
        unsigned char           crcount;
+       struct rcu_head         rcu;
 };
 
 /* V3 exponential field decoding */