bonding: rebuild the lock use for bond_alb_monitor()
The bond_alb_monitor use bond lock to protect the bond slave list, it is no effect here, we need to use RTNL or RCU to replace bond lock, the bond_alb_monitor will called 10 times one second, RTNL may loss performance here, so I replace bond lock with RCU to protect the bond slave list, also the RTNL is preserved, the logic of the monitor did not changed. Suggested-by:Nikolay Aleksandrov <nikolay@redhat.com> Suggested-by:
Jay Vosburgh <fubar@us.ibm.com> Suggested-by:
Veaceslav Falico <vfalico@redhat.com> Signed-off-by:
Ding Tianhong <dingtianhong@huawei.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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