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bonding: Convert balance-rr transmit to new locking

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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>
This commit is contained in:
Jay Vosburgh
2007-10-17 17:37:47 -07:00
committed by Jeff Garzik
parent 1b76b31693
commit cf5f904493
2 changed files with 13 additions and 13 deletions
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drivers/net/bonding/bonding.h
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@@ -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;