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-rw-r--r--net/netfilter/ipvs/ip_vs_sched.c22
1 files changed, 11 insertions, 11 deletions
diff --git a/net/netfilter/ipvs/ip_vs_sched.c b/net/netfilter/ipvs/ip_vs_sched.c
index bbc1ac795952..727e45b66953 100644
--- a/net/netfilter/ipvs/ip_vs_sched.c
+++ b/net/netfilter/ipvs/ip_vs_sched.c
@@ -35,7 +35,7 @@
static LIST_HEAD(ip_vs_schedulers);
/* lock for service table */
-static DEFINE_RWLOCK(__ip_vs_sched_lock);
+static DEFINE_SPINLOCK(ip_vs_sched_lock);
/*
@@ -108,7 +108,7 @@ static struct ip_vs_scheduler *ip_vs_sched_getbyname(const char *sched_name)
IP_VS_DBG(2, "%s(): sched_name \"%s\"\n", __func__, sched_name);
- read_lock_bh(&__ip_vs_sched_lock);
+ spin_lock_bh(&ip_vs_sched_lock);
list_for_each_entry(sched, &ip_vs_schedulers, n_list) {
/*
@@ -122,14 +122,14 @@ static struct ip_vs_scheduler *ip_vs_sched_getbyname(const char *sched_name)
}
if (strcmp(sched_name, sched->name)==0) {
/* HIT */
- read_unlock_bh(&__ip_vs_sched_lock);
+ spin_unlock_bh(&ip_vs_sched_lock);
return sched;
}
if (sched->module)
module_put(sched->module);
}
- read_unlock_bh(&__ip_vs_sched_lock);
+ spin_unlock_bh(&ip_vs_sched_lock);
return NULL;
}
@@ -184,10 +184,10 @@ int register_ip_vs_scheduler(struct ip_vs_scheduler *scheduler)
/* increase the module use count */
ip_vs_use_count_inc();
- write_lock_bh(&__ip_vs_sched_lock);
+ spin_lock_bh(&ip_vs_sched_lock);
if (!list_empty(&scheduler->n_list)) {
- write_unlock_bh(&__ip_vs_sched_lock);
+ spin_unlock_bh(&ip_vs_sched_lock);
ip_vs_use_count_dec();
pr_err("%s(): [%s] scheduler already linked\n",
__func__, scheduler->name);
@@ -200,7 +200,7 @@ int register_ip_vs_scheduler(struct ip_vs_scheduler *scheduler)
*/
list_for_each_entry(sched, &ip_vs_schedulers, n_list) {
if (strcmp(scheduler->name, sched->name) == 0) {
- write_unlock_bh(&__ip_vs_sched_lock);
+ spin_unlock_bh(&ip_vs_sched_lock);
ip_vs_use_count_dec();
pr_err("%s(): [%s] scheduler already existed "
"in the system\n", __func__, scheduler->name);
@@ -211,7 +211,7 @@ int register_ip_vs_scheduler(struct ip_vs_scheduler *scheduler)
* Add it into the d-linked scheduler list
*/
list_add(&scheduler->n_list, &ip_vs_schedulers);
- write_unlock_bh(&__ip_vs_sched_lock);
+ spin_unlock_bh(&ip_vs_sched_lock);
pr_info("[%s] scheduler registered.\n", scheduler->name);
@@ -229,9 +229,9 @@ int unregister_ip_vs_scheduler(struct ip_vs_scheduler *scheduler)
return -EINVAL;
}
- write_lock_bh(&__ip_vs_sched_lock);
+ spin_lock_bh(&ip_vs_sched_lock);
if (list_empty(&scheduler->n_list)) {
- write_unlock_bh(&__ip_vs_sched_lock);
+ spin_unlock_bh(&ip_vs_sched_lock);
pr_err("%s(): [%s] scheduler is not in the list. failed\n",
__func__, scheduler->name);
return -EINVAL;
@@ -241,7 +241,7 @@ int unregister_ip_vs_scheduler(struct ip_vs_scheduler *scheduler)
* Remove it from the d-linked scheduler list
*/
list_del(&scheduler->n_list);
- write_unlock_bh(&__ip_vs_sched_lock);
+ spin_unlock_bh(&ip_vs_sched_lock);
/* decrease the module use count */
ip_vs_use_count_dec();