[B.A.T.M.A.N.] [PATCH 1/4] batman-adv: prepare lq_update_lock to be shared among different protocols

Marek Lindner
2012-03-17T07:28:32Z

bat_iv_ogm.c | 9 ++++-----
originator.c | 1 +
types.h | 2 +-
3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/bat_iv_ogm.c b/bat_iv_ogm.c
index 85617c4..fa41307 100644
--- a/bat_iv_ogm.c
+++ b/bat_iv_ogm.c
@@ -43,7 +43,6 @@ static struct neigh_node *bat_iv_ogm_neigh_new(struct hard_iface *hard_iface,
goto out;

INIT_LIST_HEAD(&neigh_node->bonding_list);
- spin_lock_init(&neigh_node->tq_lock);

neigh_node->orig_node = orig_neigh;
neigh_node->if_incoming = hard_iface;
@@ -638,12 +637,12 @@ static void bat_iv_ogm_orig_update(struct bat_priv *bat_priv,
if (is_duplicate)
continue;

- spin_lock_bh(&tmp_neigh_node->tq_lock);
+ spin_lock_bh(&tmp_neigh_node->lq_update_lock);
ring_buffer_set(tmp_neigh_node->tq_recv,
&tmp_neigh_node->tq_index, 0);
tmp_neigh_node->tq_avg =
ring_buffer_avg(tmp_neigh_node->tq_recv);
- spin_unlock_bh(&tmp_neigh_node->tq_lock);
+ spin_unlock_bh(&tmp_neigh_node->lq_update_lock);
}

if (!neigh_node) {
@@ -669,12 +668,12 @@ static void bat_iv_ogm_orig_update(struct bat_priv *bat_priv,
orig_node->flags = batman_ogm_packet->flags;
neigh_node->last_seen = jiffies;

- spin_lock_bh(&neigh_node->tq_lock);
+ spin_lock_bh(&neigh_node->lq_update_lock);
ring_buffer_set(neigh_node->tq_recv,
&neigh_node->tq_index,
batman_ogm_packet->tq);
neigh_node->tq_avg = ring_buffer_avg(neigh_node->tq_recv);
- spin_unlock_bh(&neigh_node->tq_lock);
+ spin_unlock_bh(&neigh_node->lq_update_lock);

if (!is_duplicate) {
orig_node->last_ttl = batman_ogm_packet->header.ttl;
diff --git a/originator.c b/originator.c
index 4432d64..30889c9 100644
--- a/originator.c
+++ b/originator.c
@@ -99,6 +99,7 @@ struct neigh_node *neigh_node_new(struct hard_iface *hard_iface,
INIT_HLIST_NODE(&neigh_node->list);

memcpy(neigh_node->addr, neigh_addr, ETH_ALEN);
+ spin_lock_init(&neigh_node->lq_update_lock);

/* extra reference for return */
atomic_set(&neigh_node->refcount, 2);
diff --git a/types.h b/types.h
index 04d6cf5..15f538a 100644
--- a/types.h
+++ b/types.h
@@ -151,7 +151,7 @@ struct neigh_node {
struct rcu_head rcu;
struct orig_node *orig_node;
struct hard_iface *if_incoming;
- spinlock_t tq_lock; /* protects: tq_recv, tq_index */
+ spinlock_t lq_update_lock; /* protects: tq_recv, tq_index */
};

#ifdef CONFIG_BATMAN_ADV_BLA
--
1.7.9.1