fib_hash: RCU conversion phase 1

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First step for RCU conversion of fib_hash :

struct fn_zone are created and never deleted.

Very classic conversion, using rcu_assign_pointer(), rcu_dereference()
and rtnl_dereference() verbs.

__rcu markers on fz_next and fn_zone_list

They are created under RTNL, we dont need fib_hash_lock anymore in
fn_new_zone().

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Eric Dumazet 2010-10-14 20:53:34 +00:00 • committed by David S. Miller

parent 9bef83edfb

commit 117a8cdea3

1 changed files with 38 additions and 19 deletions

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net/ipv4/fib_hash.c

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