diff options
| author | Nikolay Aleksandrov | 2014-09-09 23:16:58 +0200 |
|---|---|---|
| committer | David S. Miller | 2014-09-10 02:31:35 +0200 |
| commit | bdbc5f13036c13ba47dad5f99645556fc40381f0 (patch) | |
| tree | 60a9fb60ce94cd8b16212c5d45f0d69873f7c3bc /drivers/net/bonding | |
| parent | cxgb4: remove bond->lock (diff) | |
| download | kernel-qcow2-linux-bdbc5f13036c13ba47dad5f99645556fc40381f0.tar.gz kernel-qcow2-linux-bdbc5f13036c13ba47dad5f99645556fc40381f0.tar.xz kernel-qcow2-linux-bdbc5f13036c13ba47dad5f99645556fc40381f0.zip | |
bonding: 3ad: use curr_slave_lock instead of bond->lock
In 3ad mode the only syncing needed by bond->lock is for the wq
and the recv handler, so change them to use curr_slave_lock.
There're no locking dependencies here as 3ad doesn't use
curr_slave_lock at all.
Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/bonding')
| -rw-r--r-- | drivers/net/bonding/bond_3ad.c | 9 | ||||
| -rw-r--r-- | drivers/net/bonding/bond_main.c | 12 |
2 files changed, 11 insertions, 10 deletions
diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c index ee2c73a9de39..5d27a6207384 100644 --- a/drivers/net/bonding/bond_3ad.c +++ b/drivers/net/bonding/bond_3ad.c @@ -2057,7 +2057,7 @@ void bond_3ad_state_machine_handler(struct work_struct *work) struct port *port; bool should_notify_rtnl = BOND_SLAVE_NOTIFY_LATER; - read_lock(&bond->lock); + read_lock(&bond->curr_slave_lock); rcu_read_lock(); /* check if there are any slaves */ @@ -2120,7 +2120,7 @@ re_arm: } } rcu_read_unlock(); - read_unlock(&bond->lock); + read_unlock(&bond->curr_slave_lock); if (should_notify_rtnl && rtnl_trylock()) { bond_slave_state_notify(bond); @@ -2395,7 +2395,6 @@ int __bond_3ad_get_active_agg_info(struct bonding *bond, return 0; } -/* Wrapper used to hold bond->lock so no slave manipulation can occur */ int bond_3ad_get_active_agg_info(struct bonding *bond, struct ad_info *ad_info) { int ret; @@ -2487,9 +2486,9 @@ int bond_3ad_lacpdu_recv(const struct sk_buff *skb, struct bonding *bond, if (!lacpdu) return ret; - read_lock(&bond->lock); + read_lock(&bond->curr_slave_lock); ret = bond_3ad_rx_indication(lacpdu, slave, skb->len); - read_unlock(&bond->lock); + read_unlock(&bond->curr_slave_lock); return ret; } diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index f0f5eab0fab1..dcd331bd0c17 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -1687,13 +1687,15 @@ static int __bond_release_one(struct net_device *bond_dev, * for this slave anymore. */ netdev_rx_handler_unregister(slave_dev); - write_lock_bh(&bond->lock); - /* Inform AD package of unbinding of slave. */ - if (BOND_MODE(bond) == BOND_MODE_8023AD) + if (BOND_MODE(bond) == BOND_MODE_8023AD) { + /* Sync against bond_3ad_rx_indication and + * bond_3ad_state_machine_handler + */ + write_lock_bh(&bond->curr_slave_lock); bond_3ad_unbind_slave(slave); - - write_unlock_bh(&bond->lock); + write_unlock_bh(&bond->curr_slave_lock); + } netdev_info(bond_dev, "Releasing %s interface %s\n", bond_is_active_slave(slave) ? "active" : "backup", |