IPVS: Add expire_quiescent_template()

In preparation for not including sysctl_expire_quiescent_template in
struct netns_ipvs when CONFIG_SYCTL is not defined.

Signed-off-by: Simon Horman <horms@verge.net.au>

diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c
index 9c2a517..f289306 100644 (file)
--- a/net/netfilter/ipvs/ip_vs_conn.c
+++ b/net/netfilter/ipvs/ip_vs_conn.c
@@ -680,6 +680,16 @@ static inline void ip_vs_unbind_dest(struct ip_vs_conn *cp)
        atomic_dec(&dest->refcnt);
 }
 
+static int expire_quiescent_template(struct netns_ipvs *ipvs,
+                                    struct ip_vs_dest *dest)
+{
+#ifdef CONFIG_SYSCTL
+       return ipvs->sysctl_expire_quiescent_template &&
+               (atomic_read(&dest->weight) == 0);
+#else
+       return 0;
+#endif
+}
 
 /*
  *     Checking if the destination of a connection template is available.
@@ -696,8 +706,7 @@ int ip_vs_check_template(struct ip_vs_conn *ct)
         */
        if ((dest == NULL) ||
            !(dest->flags & IP_VS_DEST_F_AVAILABLE) ||
-           (ipvs->sysctl_expire_quiescent_template &&
-            (atomic_read(&dest->weight) == 0))) {
+           expire_quiescent_template(ipvs, dest)) {
                IP_VS_DBG_BUF(9, "check_template: dest not available for "
                              "protocol %s s:%s:%d v:%s:%d "
                              "-> d:%s:%d\n",