tree d7b0281232aac81edfd5da0ca96c6b99ac9c7dae
parent 7fed84f622ec2696087301199c2952b85e0cc3b4
author Julian Anastasov <ja@ssi.bg> 1342606535 +0000
committer David S. Miller <davem@davemloft.net> 1342719014 -0700

ipv4: use seqlock for nh_exceptions

Use global seqlock for the nh_exceptions. Call
fnhe_oldest with the right hash chain. Correct the diff
value for dst_set_expires.

v2: after suggestions from Eric Dumazet:
* get rid of spin lock fnhe_lock, rearrange update_or_create_fnhe
* continue daddr search in rt_bind_exception

v3:
* remove the daddr check before seqlock in rt_bind_exception
* restart lookup in rt_bind_exception on detected seqlock change,
as suggested by David Miller

Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: David S. Miller <davem@davemloft.net>