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Diffstat (limited to 'net/core/gen_estimator.c')
-rw-r--r--net/core/gen_estimator.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/net/core/gen_estimator.c b/net/core/gen_estimator.c
index a73ad0bf324c..4fcbdd71c59f 100644
--- a/net/core/gen_estimator.c
+++ b/net/core/gen_estimator.c
@@ -42,7 +42,7 @@
struct net_rate_estimator {
struct gnet_stats_basic_sync *bstats;
spinlock_t *stats_lock;
- seqcount_t *running;
+ bool running;
struct gnet_stats_basic_sync __percpu *cpu_bstats;
u8 ewma_log;
u8 intvl_log; /* period : (250ms << intvl_log) */
@@ -66,7 +66,7 @@ static void est_fetch_counters(struct net_rate_estimator *e,
if (e->stats_lock)
spin_lock(e->stats_lock);
- gnet_stats_add_basic(e->running, b, e->cpu_bstats, e->bstats);
+ gnet_stats_add_basic(b, e->cpu_bstats, e->bstats, e->running);
if (e->stats_lock)
spin_unlock(e->stats_lock);
@@ -113,7 +113,9 @@ static void est_timer(struct timer_list *t)
* @cpu_bstats: bstats per cpu
* @rate_est: rate estimator statistics
* @lock: lock for statistics and control path
- * @running: qdisc running seqcount
+ * @running: true if @bstats represents a running qdisc, thus @bstats'
+ * internal values might change during basic reads. Only used
+ * if @bstats_cpu is NULL
* @opt: rate estimator configuration TLV
*
* Creates a new rate estimator with &bstats as source and &rate_est
@@ -129,7 +131,7 @@ int gen_new_estimator(struct gnet_stats_basic_sync *bstats,
struct gnet_stats_basic_sync __percpu *cpu_bstats,
struct net_rate_estimator __rcu **rate_est,
spinlock_t *lock,
- seqcount_t *running,
+ bool running,
struct nlattr *opt)
{
struct gnet_estimator *parm = nla_data(opt);
@@ -218,7 +220,9 @@ EXPORT_SYMBOL(gen_kill_estimator);
* @cpu_bstats: bstats per cpu
* @rate_est: rate estimator statistics
* @lock: lock for statistics and control path
- * @running: qdisc running seqcount (might be NULL)
+ * @running: true if @bstats represents a running qdisc, thus @bstats'
+ * internal values might change during basic reads. Only used
+ * if @cpu_bstats is NULL
* @opt: rate estimator configuration TLV
*
* Replaces the configuration of a rate estimator by calling
@@ -230,7 +234,7 @@ int gen_replace_estimator(struct gnet_stats_basic_sync *bstats,
struct gnet_stats_basic_sync __percpu *cpu_bstats,
struct net_rate_estimator __rcu **rate_est,
spinlock_t *lock,
- seqcount_t *running, struct nlattr *opt)
+ bool running, struct nlattr *opt)
{
return gen_new_estimator(bstats, cpu_bstats, rate_est,
lock, running, opt);