bonding:delete lacp_fast from ad_bond_info

These is also a bug, that if you modify lacp_rate via sysfs,
and add new slaves in bonding, new slaves won't use the latest lacp_rate,
since ad_bond_info->lacp_fast is initialized only once,
in bond_3ad_initialize().

Since both struct bond_params and ad_bond_info have lacp_fast,
they are duplicate and need extra synchronization.

bond_3ad_bind_slave() can use bond_params->lacp_fast to initialize port.
So we can just remove lacp_fast from struct ad_bond_info.

Signed-off-by: Weiping Pan <panweiping3@gmail.com>
Signed-off-by: Jay Vosburgh <fubar@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/bonding/bond_3ad.h b/drivers/net/bonding/bond_3ad.h
index e466faf..9782785 100644
--- a/drivers/net/bonding/bond_3ad.h
+++ b/drivers/net/bonding/bond_3ad.h
@@ -254,9 +254,6 @@
 	struct ad_system system;	    /* 802.3ad system structure */
 	u32 agg_select_timer;	    // Timer to select aggregator after all adapter's hand shakes
 	u32 agg_select_mode;	    // Mode of selection of active aggregator(bandwidth/count)
-	int lacp_fast;		/* whether fast periodic tx should be
-				 * requested
-				 */
 	struct timer_list ad_timer;
 };
 
@@ -269,7 +266,7 @@
 };
 
 // ================= AD Exported functions to the main bonding code ==================
-void bond_3ad_initialize(struct bonding *bond, u16 tick_resolution, int lacp_fast);
+void bond_3ad_initialize(struct bonding *bond, u16 tick_resolution);
 int  bond_3ad_bind_slave(struct slave *slave);
 void bond_3ad_unbind_slave(struct slave *slave);
 void bond_3ad_state_machine_handler(struct work_struct *);