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[IPV4] fib_trie: Document locking.

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Paul E. McKenney writes:

> Those of use who dive into networking only occasionally would much
> appreciate this.  ;-)

No problem here... 

Acked-by: Robert Olsson <robert.olsson@its.uu.se>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> (but trivial)
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Robert Olsson 2007-03-26 14:22:22 -07:00 committed by David S. Miller
parent 79f4f6428f
commit d562f1f8a9
1 changed files with 9 additions and 0 deletions
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9
net/ipv4/fib_trie.c
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@ -1123,6 +1123,9 @@ fib_insert_node(struct trie *t, int *err, u32 key, int plen)
return fa_head;
}
/*
* Caller must hold RTNL.
*/
static int fn_trie_insert(struct fib_table *tb, struct fib_config *cfg)
{
struct trie *t = (struct trie *) tb->tb_data;
@ -1540,6 +1543,9 @@ static int trie_leaf_remove(struct trie *t, t_key key)
return 1;
}
/*
* Caller must hold RTNL.
*/
static int fn_trie_delete(struct fib_table *tb, struct fib_config *cfg)
{
struct trie *t = (struct trie *) tb->tb_data;
@ -1718,6 +1724,9 @@ static struct leaf *nextleaf(struct trie *t, struct leaf *thisleaf)
return NULL; /* Ready. Root of trie */
}
/*
* Caller must hold RTNL.
*/
static int fn_trie_flush(struct fib_table *tb)
{
struct trie *t = (struct trie *) tb->tb_data;