From: dingtianhong Date: Thu, 2 Jan 2014 01:13:06 +0000 (+0800) Subject: bonding: slight optimizztion for bond_slave_override() X-Git-Tag: v3.14-rc1~94^2~332^2~3 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3900f29021f0bc7fe9815aa32f1a993b7dfdd402;p=platform%2Fkernel%2Flinux-exynos.git bonding: slight optimizztion for bond_slave_override() When the skb is xmit by the function bond_slave_override(), it will have duplicate judgement for slave state, and I think it will consumes a little performance, maybe it is negligible, so I simplify the function and remove the unwanted judgement. Signed-off-by: Ding Tianhong Signed-off-by: David S. Miller --- diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 06f3a9f..9efccef 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -3673,28 +3673,24 @@ static inline int bond_slave_override(struct bonding *bond, struct sk_buff *skb) { struct slave *slave = NULL; - struct slave *check_slave; struct list_head *iter; - int res = 1; if (!skb->queue_mapping) return 1; /* Find out if any slaves have the same mapping as this skb. */ - bond_for_each_slave_rcu(bond, check_slave, iter) { - if (check_slave->queue_id == skb->queue_mapping) { - slave = check_slave; + bond_for_each_slave_rcu(bond, slave, iter) { + if (slave->queue_id == skb->queue_mapping) { + if (slave_can_tx(slave)) { + bond_dev_queue_xmit(bond, skb, slave->dev); + return 0; + } + /* If the slave isn't UP, use default transmit policy. */ break; } } - /* If the slave isn't UP, use default transmit policy. */ - if (slave && slave->queue_id && IS_UP(slave->dev) && - (slave->link == BOND_LINK_UP)) { - res = bond_dev_queue_xmit(bond, skb, slave->dev); - } - - return res; + return 1; }