[IPV4]: Convert FIB Trie to RCU.

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* Removes RW-lock
* Proteced read functions uses
  rcu_dereference proteced with rcu_read_lock()
* writing of procted pointer w. rcu_assigen_pointer
* Insert/Replace atomic list_replace_rcu
* A BUG_ON condition removed.in trie_rebalance

With help from Paul E. McKenney.

Signed-off-by: Robert Olsson <Robert.Olsson@data.slu.se>
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

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This commit is contained in:

Robert Olsson

2005-08-25 13:01:29 -07:00

committed by David S. Miller

parent e5b4376074

commit 2373ce1ca0

1 changed files with 214 additions and 199 deletions

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net/ipv4/fib_trie.c

+214 -199

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