From mboxrd@z Thu Jan 1 00:00:00 1970 From: Veaceslav Falico Subject: [PATCH v4 net-next 20/27] bonding: remove bond_prev_slave() Date: Tue, 24 Sep 2013 13:47:00 +0200 Message-ID: <1380023227-9576-21-git-send-email-vfalico@redhat.com> References: <1380023227-9576-1-git-send-email-vfalico@redhat.com> Cc: jiri@resnulli.us, Veaceslav Falico , Jay Vosburgh , Andy Gospodarek To: netdev@vger.kernel.org Return-path: Received: from mx1.redhat.com ([209.132.183.28]:40492 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753574Ab3IXLrb (ORCPT ); Tue, 24 Sep 2013 07:47:31 -0400 In-Reply-To: <1380023227-9576-1-git-send-email-vfalico@redhat.com> Sender: netdev-owner@vger.kernel.org List-ID: We don't really need it, and it's really hard to RCUify the list->prev. CC: Jay Vosburgh CC: Andy Gospodarek Signed-off-by: Veaceslav Falico --- Notes: v3 -> v4: No change. v2 -> v3: No change. v1 -> v2: No changes. RFC -> v1: New patch. drivers/net/bonding/bond_main.c | 9 +++------ drivers/net/bonding/bonding.h | 4 ---- 2 files changed, 3 insertions(+), 10 deletions(-) diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 06ffc8a..6aa345a 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -1255,7 +1255,7 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev) { struct bonding *bond = netdev_priv(bond_dev); const struct net_device_ops *slave_ops = slave_dev->netdev_ops; - struct slave *new_slave = NULL; + struct slave *new_slave = NULL, *prev_slave; struct sockaddr addr; int link_reporting; int res = 0, i; @@ -1472,6 +1472,7 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev) write_lock_bh(&bond->lock); + prev_slave = bond_last_slave(bond); bond_attach_slave(bond, new_slave); new_slave->delay = 0; @@ -1566,9 +1567,6 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev) */ bond_3ad_initialize(bond, 1000/AD_TIMER_INTERVAL); } else { - struct slave *prev_slave; - - prev_slave = bond_prev_slave(bond, new_slave); SLAVE_AD_INFO(new_slave).id = SLAVE_AD_INFO(prev_slave).id + 1; } @@ -3506,9 +3504,8 @@ static int bond_change_mtu(struct net_device *bond_dev, int new_mtu) */ bond_for_each_slave(bond, slave, iter) { - pr_debug("s %p s->p %p c_m %p\n", + pr_debug("s %p c_m %p\n", slave, - bond_prev_slave(bond, slave), slave->dev->netdev_ops->ndo_change_mtu); res = dev_set_mtu(slave->dev, new_mtu); diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h index 0b4c4ff..5157153 100644 --- a/drivers/net/bonding/bonding.h +++ b/drivers/net/bonding/bonding.h @@ -96,10 +96,6 @@ (bond_is_last_slave(bond, pos) ? bond_first_slave(bond) : \ bond_to_slave((pos)->list.next)) -#define bond_prev_slave(bond, pos) \ - (bond_is_first_slave(bond, pos) ? bond_last_slave(bond) : \ - bond_to_slave((pos)->list.prev)) - /** * bond_for_each_slave - iterate over all slaves * @bond: the bond holding this list -- 1.8.4