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authorFlorian Westphal <fw@strlen.de>2014-07-24 14:50:34 (GMT)
committerDavid S. Miller <davem@davemloft.net>2014-07-28 05:34:36 (GMT)
commit3fd588eb90bfbba17091381006ecafe29c45db4a (patch)
treebd13a7188e37d038ef4a6283a8ef594e59ad25ee /include/net/inet_frag.h
parent434d305405ab86414f6ea3f261307d443a2c3506 (diff)
downloadlinux-3fd588eb90bfbba17091381006ecafe29c45db4a.tar.xz
inet: frag: remove lru list
no longer used. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/inet_frag.h')
-rw-r--r--include/net/inet_frag.h32
1 files changed, 2 insertions, 30 deletions
diff --git a/include/net/inet_frag.h b/include/net/inet_frag.h
index 68de337..90d21ea 100644
--- a/include/net/inet_frag.h
+++ b/include/net/inet_frag.h
@@ -4,9 +4,6 @@
#include <linux/percpu_counter.h>
struct netns_frags {
- struct list_head lru_list;
- spinlock_t lru_lock;
-
/* The percpu_counter "mem" need to be cacheline aligned.
* mem.count must not share cacheline with other writers
*/
@@ -21,7 +18,6 @@ struct netns_frags {
struct inet_frag_queue {
spinlock_t lock;
struct timer_list timer; /* when will this queue expire? */
- struct list_head lru_list; /* lru list member */
struct hlist_node list;
atomic_t refcnt;
struct sk_buff *fragments; /* list of received fragments */
@@ -91,8 +87,7 @@ void inet_frags_init_net(struct netns_frags *nf);
void inet_frags_exit_net(struct netns_frags *nf, struct inet_frags *f);
void inet_frag_kill(struct inet_frag_queue *q, struct inet_frags *f);
-void inet_frag_destroy(struct inet_frag_queue *q,
- struct inet_frags *f, int *work);
+void inet_frag_destroy(struct inet_frag_queue *q, struct inet_frags *f);
struct inet_frag_queue *inet_frag_find(struct netns_frags *nf,
struct inet_frags *f, void *key, unsigned int hash)
__releases(&f->lock);
@@ -102,7 +97,7 @@ void inet_frag_maybe_warn_overflow(struct inet_frag_queue *q,
static inline void inet_frag_put(struct inet_frag_queue *q, struct inet_frags *f)
{
if (atomic_dec_and_test(&q->refcnt))
- inet_frag_destroy(q, f, NULL);
+ inet_frag_destroy(q, f);
}
/* Memory Tracking Functions. */
@@ -145,29 +140,6 @@ static inline unsigned int sum_frag_mem_limit(struct netns_frags *nf)
return res;
}
-static inline void inet_frag_lru_move(struct inet_frag_queue *q)
-{
- spin_lock(&q->net->lru_lock);
- if (!list_empty(&q->lru_list))
- list_move_tail(&q->lru_list, &q->net->lru_list);
- spin_unlock(&q->net->lru_lock);
-}
-
-static inline void inet_frag_lru_del(struct inet_frag_queue *q)
-{
- spin_lock(&q->net->lru_lock);
- list_del_init(&q->lru_list);
- spin_unlock(&q->net->lru_lock);
-}
-
-static inline void inet_frag_lru_add(struct netns_frags *nf,
- struct inet_frag_queue *q)
-{
- spin_lock(&nf->lru_lock);
- list_add_tail(&q->lru_list, &nf->lru_list);
- spin_unlock(&nf->lru_lock);
-}
-
/* RFC 3168 support :
* We want to check ECN values of all fragments, do detect invalid combinations.
* In ipq->ecn, we store the OR value of each ip4_frag_ecn() fragment value.