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Date: Fri, 17 Jan 2014 10:53:45 +0100 From: Veaceslav Falico <vfalico@...hat.com> To: netdev@...r.kernel.org Cc: Jay Vosburgh <fubar@...ibm.com>, Andy Gospodarek <andy@...yhouse.net> Subject: Re: [PATCH net-next] bonding: trivial: rename slave->jiffies to ->last_link_up On Thu, Jan 16, 2014 at 03:20:37AM +0100, Veaceslav Falico wrote: >slave->jiffies is updated every time the slave becomes active, which, for >bonding, means that its link is 'up'. > >CC: Jay Vosburgh <fubar@...ibm.com> >CC: Andy Gospodarek <andy@...yhouse.net> >Signed-off-by: Veaceslav Falico <vfalico@...hat.com> Self-NAK, as the first patchset was dropped and will be sent as v2, I'll just slip this patch in there. Sorry for the noise. >--- > >Notes: > On top of > > [PATCH net-next 0/6] bonding: only rely on arp packets if arp monitor is used > > Sorry for the trivial patch, but I'm always loosing some time > trying to remember what that actually means. > > drivers/net/bonding/bond_main.c | 20 ++++++++++---------- > drivers/net/bonding/bonding.h | 3 ++- > 2 files changed, 12 insertions(+), 11 deletions(-) > >diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c >index f9e5512..0f613ae 100644 >--- a/drivers/net/bonding/bond_main.c >+++ b/drivers/net/bonding/bond_main.c >@@ -846,7 +846,7 @@ void bond_change_active_slave(struct bonding *bond, struct slave *new_active) > return; > > if (new_active) { >- new_active->jiffies = jiffies; >+ new_active->last_link_up = jiffies; > > if (new_active->link == BOND_LINK_BACK) { > if (USES_PRIMARY(bond->params.mode)) { >@@ -1488,7 +1488,7 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev) > } > > if (new_slave->link != BOND_LINK_DOWN) >- new_slave->jiffies = jiffies; >+ new_slave->last_link_up = jiffies; > pr_debug("Initial state of slave_dev is BOND_LINK_%s\n", > new_slave->link == BOND_LINK_DOWN ? "DOWN" : > (new_slave->link == BOND_LINK_UP ? "UP" : "BACK")); >@@ -1923,7 +1923,7 @@ static int bond_miimon_inspect(struct bonding *bond) > * recovered before downdelay expired > */ > slave->link = BOND_LINK_UP; >- slave->jiffies = jiffies; >+ slave->last_link_up = jiffies; > pr_info("%s: link status up again after %d ms for interface %s.\n", > bond->dev->name, > (bond->params.downdelay - slave->delay) * >@@ -1998,7 +1998,7 @@ static void bond_miimon_commit(struct bonding *bond) > > case BOND_LINK_UP: > slave->link = BOND_LINK_UP; >- slave->jiffies = jiffies; >+ slave->last_link_up = jiffies; > > if (bond->params.mode == BOND_MODE_8023AD) { > /* prevent it from being the active one */ >@@ -2345,7 +2345,7 @@ int bond_arp_rcv(const struct sk_buff *skb, struct bonding *bond, > bond_validate_arp(bond, slave, sip, tip); > else if (bond->curr_active_slave && > time_after(slave_last_arp_rx(bond, bond->curr_active_slave), >- bond->curr_active_slave->jiffies)) >+ bond->curr_active_slave->last_link_up)) > bond_validate_arp(bond, slave, tip, sip); > > out_unlock: >@@ -2392,9 +2392,9 @@ static void bond_loadbalance_arp_mon(struct work_struct *work) > oldcurrent = ACCESS_ONCE(bond->curr_active_slave); > /* see if any of the previous devices are up now (i.e. they have > * xmt and rcv traffic). the curr_active_slave does not come into >- * the picture unless it is null. also, slave->jiffies is not needed >- * here because we send an arp on each slave and give a slave as >- * long as it needs to get the tx/rx within the delta. >+ * the picture unless it is null. also, slave->last_link_up is not >+ * needed here because we send an arp on each slave and give a slave >+ * as long as it needs to get the tx/rx within the delta. > * TODO: what about up/down delay in arp mode? it wasn't here before > * so it can wait > */ >@@ -2516,7 +2516,7 @@ static int bond_ab_arp_inspect(struct bonding *bond) > * active. This avoids bouncing, as the last receive > * times need a full ARP monitor cycle to be updated. > */ >- if (bond_time_in_interval(bond, slave->jiffies, 2)) >+ if (bond_time_in_interval(bond, slave->last_link_up, 2)) > continue; > > /* >@@ -2709,7 +2709,7 @@ static void bond_ab_arp_probe(struct bonding *bond) > new_slave->link = BOND_LINK_BACK; > bond_set_slave_active_flags(new_slave); > bond_arp_send_all(bond, new_slave); >- new_slave->jiffies = jiffies; >+ new_slave->last_link_up = jiffies; > rcu_assign_pointer(bond->current_arp_slave, new_slave); > } > >diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h >index 99126b2..9f07af1 100644 >--- a/drivers/net/bonding/bonding.h >+++ b/drivers/net/bonding/bonding.h >@@ -184,7 +184,8 @@ struct slave { > struct net_device *dev; /* first - useful for panic debug */ > struct bonding *bond; /* our master */ > int delay; >- unsigned long jiffies; >+ /* all three in jiffies */ >+ unsigned long last_link_up; > unsigned long last_arp_rx; > unsigned long target_last_arp_rx[BOND_MAX_ARP_TARGETS]; > s8 link; /* one of BOND_LINK_XXXX */ >-- >1.8.4 > -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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