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authorNikolay Aleksandrov <nikolay@redhat.com>2014-09-09 23:17:03 +0200
committerDavid S. Miller <davem@davemloft.net>2014-09-09 17:31:36 -0700
commit87163ef9cda7617f8afdb549de191706641003c0 (patch)
tree597c6a74e401afdb18686a3ccf71abc46fc21cbf /drivers/net/bonding/bonding.h
parent246df7b423aa61a8bd0b58404759a9abb4c15081 (diff)
bonding: remove last users of bond->lock and bond->lock itself
The usage of bond->lock in bond_main.c was completely unnecessary as it didn't help to sync with anything, most of the spots already had RTNL. Since there're no more users of bond->lock, remove it. Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/bonding/bonding.h')
-rw-r--r--drivers/net/bonding/bonding.h8
1 files changed, 2 insertions, 6 deletions
diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h
index c798561a6f01..78c461abaa09 100644
--- a/drivers/net/bonding/bonding.h
+++ b/drivers/net/bonding/bonding.h
@@ -83,7 +83,7 @@
* @pos: current slave
* @iter: list_head * iterator
*
- * Caller must hold bond->lock
+ * Caller must hold RTNL
*/
#define bond_for_each_slave(bond, pos, iter) \
netdev_for_each_lower_private((bond)->dev, pos, iter)
@@ -185,11 +185,8 @@ struct slave {
/*
* Here are the locking policies for the two bonding locks:
*
- * 1) Get bond->lock when reading/writing slave list.
+ * 1) Get rcu_read_lock when reading or RTNL when writing slave list.
* 2) Get bond->curr_slave_lock when reading/writing bond->curr_active_slave.
- * (It is unnecessary when the write-lock is put with bond->lock.)
- * 3) When we lock with bond->curr_slave_lock, we must lock with bond->lock
- * beforehand.
*/
struct bonding {
struct net_device *dev; /* first - useful for panic debug */
@@ -200,7 +197,6 @@ struct bonding {
s32 slave_cnt; /* never change this value outside the attach/detach wrappers */
int (*recv_probe)(const struct sk_buff *, struct bonding *,
struct slave *);
- rwlock_t lock;
rwlock_t curr_slave_lock;
u8 send_peer_notif;
u8 igmp_retrans;