[NET]: Convert hh_lock to seqlock.
authorStephen Hemminger <shemminger@osdl.org>
Thu, 7 Dec 2006 23:08:17 +0000 (15:08 -0800)
committerDavid S. Miller <davem@sunset.davemloft.net>
Sat, 9 Dec 2006 01:19:20 +0000 (17:19 -0800)
commit3644f0cee77494190452de132e82245107939284
tree7aeb1dd32c68e372cc2aaa9d26703dd238b48a53
parenteb991b39385c7b04923d701764a34694ec54b53d
[NET]: Convert hh_lock to seqlock.

The hard header cache is in the main output path, so using
seqlock instead of reader/writer lock should reduce overhead.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
include/linux/netdevice.h
include/net/neighbour.h
net/core/neighbour.c
net/ipv4/ip_output.c
net/ipv6/ip6_output.c