bonding: Convert balance-rr transmit to new locking

	Change locking in balance-rr transmit processing to use a free
running counter to determine which slave to transmit on.  Instead, a
free-running counter is maintained, and modulo arithmetic used to select
a slave for transmit.

	This removes lock operations from the TX path, and eliminates
a deadlock introduced by the conversion to work queues.

Signed-off-by: Andy Gospodarek <andy@greyhouse.net>
Signed-off-by: Jay Vosburgh <fubar@us.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h
index a8f2384f550d..d1ed14bf1ccb 100644
--- a/drivers/net/bonding/bonding.h
+++ b/drivers/net/bonding/bonding.h
@@ -197,6 +197,7 @@ struct bonding {
         int      (*xmit_hash_policy)(struct sk_buff *, struct net_device *, int);
         __be32   master_ip;
         u16      flags;
+        u16      rr_tx_counter;
         struct   ad_bond_info ad_info;
         struct   alb_bond_info alb_info;
         struct   bond_params params;