From: Simon Horman <horms@verge.net.au>
To: netdev@vger.kernel.org, netfilter-devel@vger.kernel.org,
netfilter@vger.kernel.org, lvs-devel@vger.kernel.org
Cc: Eric Dumazet <eric.dumazet@gmail.com>,
Julian Anastasov <ja@ssi.bg>,
Hans Schillstrom <hans@schillstrom.com>,
Simon Horman <horms@verge.net.au>
Subject: [PATCH 14/20] IPVS: Conditinally use sysctl_lblc{r}_expiration
Date: Mon, 14 Mar 2011 12:45:40 +0900 [thread overview]
Message-ID: <1300074346-13799-15-git-send-email-horms@verge.net.au> (raw)
In-Reply-To: <1300074346-13799-1-git-send-email-horms@verge.net.au>
In preparation for not including sysctl_lblc{r}_expiration in
struct netns_ipvs when CONFIG_SYCTL is not defined.
Signed-off-by: Simon Horman <horms@verge.net.au>
---
net/netfilter/ipvs/ip_vs_lblc.c | 16 +++++++++++++---
net/netfilter/ipvs/ip_vs_lblcr.c | 21 +++++++++++++++------
2 files changed, 28 insertions(+), 9 deletions(-)
diff --git a/net/netfilter/ipvs/ip_vs_lblc.c b/net/netfilter/ipvs/ip_vs_lblc.c
index 6bf7a80..51a27f5 100644
--- a/net/netfilter/ipvs/ip_vs_lblc.c
+++ b/net/netfilter/ipvs/ip_vs_lblc.c
@@ -63,6 +63,8 @@
#define CHECK_EXPIRE_INTERVAL (60*HZ)
#define ENTRY_TIMEOUT (6*60*HZ)
+#define DEFAULT_EXPIRATION (24*60*60*HZ)
+
/*
* It is for full expiration check.
* When there is no partial expiration check (garbage collection)
@@ -238,6 +240,15 @@ static void ip_vs_lblc_flush(struct ip_vs_lblc_table *tbl)
}
}
+static int sysctl_lblc_expiration(struct ip_vs_service *svc)
+{
+#ifdef CONFIG_SYSCTL
+ struct netns_ipvs *ipvs = net_ipvs(svc->net);
+ return ipvs->sysctl_lblc_expiration;
+#else
+ return DEFAULT_EXPIRATION;
+#endif
+}
static inline void ip_vs_lblc_full_check(struct ip_vs_service *svc)
{
@@ -245,7 +256,6 @@ static inline void ip_vs_lblc_full_check(struct ip_vs_service *svc)
struct ip_vs_lblc_entry *en, *nxt;
unsigned long now = jiffies;
int i, j;
- struct netns_ipvs *ipvs = net_ipvs(svc->net);
for (i=0, j=tbl->rover; i<IP_VS_LBLC_TAB_SIZE; i++) {
j = (j + 1) & IP_VS_LBLC_TAB_MASK;
@@ -254,7 +264,7 @@ static inline void ip_vs_lblc_full_check(struct ip_vs_service *svc)
list_for_each_entry_safe(en, nxt, &tbl->bucket[j], list) {
if (time_before(now,
en->lastuse +
- ipvs->sysctl_lblc_expiration))
+ sysctl_lblc_expiration(svc)))
continue;
ip_vs_lblc_free(en);
@@ -550,7 +560,7 @@ static int __net_init __ip_vs_lblc_init(struct net *net)
return -ENOMEM;
} else
ipvs->lblc_ctl_table = vs_vars_table;
- ipvs->sysctl_lblc_expiration = 24*60*60*HZ;
+ ipvs->sysctl_lblc_expiration = DEFAULT_EXPIRATION;
ipvs->lblc_ctl_table[0].data = &ipvs->sysctl_lblc_expiration;
#ifdef CONFIG_SYSCTL
diff --git a/net/netfilter/ipvs/ip_vs_lblcr.c b/net/netfilter/ipvs/ip_vs_lblcr.c
index 0063176..7fb9190 100644
--- a/net/netfilter/ipvs/ip_vs_lblcr.c
+++ b/net/netfilter/ipvs/ip_vs_lblcr.c
@@ -63,6 +63,8 @@
#define CHECK_EXPIRE_INTERVAL (60*HZ)
#define ENTRY_TIMEOUT (6*60*HZ)
+#define DEFAULT_EXPIRATION (24*60*60*HZ)
+
/*
* It is for full expiration check.
* When there is no partial expiration check (garbage collection)
@@ -410,6 +412,15 @@ static void ip_vs_lblcr_flush(struct ip_vs_lblcr_table *tbl)
}
}
+static int sysctl_lblcr_expiration(struct ip_vs_service *svc)
+{
+#ifdef CONFIG_SYSCTL
+ struct netns_ipvs *ipvs = net_ipvs(svc->net);
+ return ipvs->sysctl_lblcr_expiration;
+#else
+ return DEFAULT_EXPIRATION;
+#endif
+}
static inline void ip_vs_lblcr_full_check(struct ip_vs_service *svc)
{
@@ -417,15 +428,14 @@ static inline void ip_vs_lblcr_full_check(struct ip_vs_service *svc)
unsigned long now = jiffies;
int i, j;
struct ip_vs_lblcr_entry *en, *nxt;
- struct netns_ipvs *ipvs = net_ipvs(svc->net);
for (i=0, j=tbl->rover; i<IP_VS_LBLCR_TAB_SIZE; i++) {
j = (j + 1) & IP_VS_LBLCR_TAB_MASK;
write_lock(&svc->sched_lock);
list_for_each_entry_safe(en, nxt, &tbl->bucket[j], list) {
- if (time_after(en->lastuse
- + ipvs->sysctl_lblcr_expiration, now))
+ if (time_after(en->lastuse +
+ sysctl_lblcr_expiration(svc), now))
continue;
ip_vs_lblcr_free(en);
@@ -650,7 +660,6 @@ ip_vs_lblcr_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
read_lock(&svc->sched_lock);
en = ip_vs_lblcr_get(svc->af, tbl, &iph.daddr);
if (en) {
- struct netns_ipvs *ipvs = net_ipvs(svc->net);
/* We only hold a read lock, but this is atomic */
en->lastuse = jiffies;
@@ -662,7 +671,7 @@ ip_vs_lblcr_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
/* More than one destination + enough time passed by, cleanup */
if (atomic_read(&en->set.size) > 1 &&
time_after(jiffies, en->set.lastmod +
- ipvs->sysctl_lblcr_expiration)) {
+ sysctl_lblcr_expiration(svc))) {
struct ip_vs_dest *m;
write_lock(&en->set.lock);
@@ -746,7 +755,7 @@ static int __net_init __ip_vs_lblcr_init(struct net *net)
return -ENOMEM;
} else
ipvs->lblcr_ctl_table = vs_vars_table;
- ipvs->sysctl_lblcr_expiration = 24*60*60*HZ;
+ ipvs->sysctl_lblcr_expiration = DEFAULT_EXPIRATION;
ipvs->lblcr_ctl_table[0].data = &ipvs->sysctl_lblcr_expiration;
#ifdef CONFIG_SYSCTL
--
1.7.2.3
next prev parent reply other threads:[~2011-03-14 3:45 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-14 3:45 [patch v3 00/20] IPVS: Proposed Changes Simon Horman
2011-03-14 3:45 ` [PATCH 01/20] ipvs: move struct netns_ipvs Simon Horman
2011-03-14 3:45 ` [PATCH 02/20] ipvs: reorganize tot_stats Simon Horman
2011-03-14 4:28 ` Eric Dumazet
2011-03-14 9:21 ` Julian Anastasov
2011-03-14 3:45 ` [PATCH 03/20] ipvs: properly zero stats and rates Simon Horman
2011-03-14 4:09 ` Eric Dumazet
2011-03-14 3:45 ` [PATCH 04/20] ipvs: remove unused seqcount stats Simon Horman
2011-03-14 3:45 ` [PATCH 05/20] ipvs: optimize rates reading Simon Horman
2011-03-14 3:45 ` [PATCH 06/20] ipvs: rename estimator functions Simon Horman
2011-03-14 3:45 ` [PATCH 07/20] IPVS: Add ip_vs_route_me_harder() Simon Horman
2011-03-14 3:45 ` [PATCH 08/20] IPVS: Add sysctl_snat_reroute() Simon Horman
2011-03-14 3:45 ` [PATCH 09/20] IPVS: Add sysctl_nat_icmp_send() Simon Horman
2011-03-14 3:45 ` [PATCH 10/20] IPVS: Add {sysctl_sync_threshold,period}() Simon Horman
2011-03-14 3:45 ` [PATCH 11/20] IPVS: Add sysctl_sync_ver() Simon Horman
2011-03-14 3:45 ` [PATCH 12/20] IPVS: Add sysctl_expire_nodest_conn() Simon Horman
2011-03-14 3:45 ` [PATCH 13/20] IPVS: Add expire_quiescent_template() Simon Horman
2011-03-14 3:45 ` Simon Horman [this message]
2011-03-14 3:45 ` [PATCH 15/20] IPVS: ip_vs_todrop() becomes a noop when CONFIG_SYSCTL is undefined Simon Horman
2011-03-14 3:45 ` [PATCH 16/20] IPVS: Conditional ip_vs_conntrack_enabled() Simon Horman
2011-03-14 3:45 ` [PATCH 17/20] IPVS: Minimise ip_vs_leave when CONFIG_SYSCTL is undefined Simon Horman
2011-03-14 3:45 ` [PATCH 18/20] IPVS: Conditionally define and use ip_vs_lblc{r}_table Simon Horman
2011-03-14 3:45 ` [PATCH 19/20] IPVS: Add __ip_vs_control_{init,cleanup}_sysctl() Simon Horman
2011-03-14 3:45 ` [PATCH 20/20] IPVS: Conditionally include sysctl members of struct netns_ipvs Simon Horman
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