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fib_trie: Move fib_find_alias to file where it is used

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The function fib_find_alias is only accessed by functions in fib_trie.c as
such it makes sense to relocate it and cast it as static so that the
compiler can take advantage of optimizations it can do to it as a local
function.

Signed-off-by: Alexander Duyck <alexander.h.duyck@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexander Duyck 2015-01-22 15:51:39 -08:00 committed by David S. Miller
parent 30cfe7c9c8
commit 02525368f4
3 changed files with 20 additions and 19 deletions
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1
net/ipv4/fib_lookup.h
View File

@ -32,7 +32,6 @@ int fib_dump_info(struct sk_buff *skb, u32 pid, u32 seq, int event, u32 tb_id,
unsigned int);
void rtmsg_fib(int event, __be32 key, struct fib_alias *fa, int dst_len,
u32 tb_id, const struct nl_info *info, unsigned int nlm_flags);
struct fib_alias *fib_find_alias(struct list_head *fah, u8 tos, u32 prio);
static inline void fib_result_assign(struct fib_result *res,
struct fib_info *fi)

18
net/ipv4/fib_semantics.c
View File

@ -411,24 +411,6 @@ errout:
rtnl_set_sk_err(info->nl_net, RTNLGRP_IPV4_ROUTE, err);
}
/* Return the first fib alias matching TOS with
* priority less than or equal to PRIO.
*/
struct fib_alias *fib_find_alias(struct list_head *fah, u8 tos, u32 prio)
{
if (fah) {
struct fib_alias *fa;
list_for_each_entry(fa, fah, fa_list) {
if (fa->fa_tos > tos)
continue;
if (fa->fa_info->fib_priority >= prio ||
fa->fa_tos < tos)
return fa;
}
}
return NULL;
}
static int fib_detect_death(struct fib_info *fi, int order,
struct fib_info **last_resort, int *last_idx,
int dflt)

20
net/ipv4/fib_trie.c
View File

@ -998,6 +998,26 @@ static struct tnode *fib_find_node(struct trie *t, u32 key)
return n;
}
/* Return the first fib alias matching TOS with
* priority less than or equal to PRIO.
*/
static struct fib_alias *fib_find_alias(struct list_head *fah, u8 tos, u32 prio)
{
struct fib_alias *fa;
if (!fah)
return NULL;
list_for_each_entry(fa, fah, fa_list) {
if (fa->fa_tos > tos)
continue;
if (fa->fa_info->fib_priority >= prio || fa->fa_tos < tos)
return fa;
}
return NULL;
}
static void trie_rebalance(struct trie *t, struct tnode *tn)
{
struct tnode *tp;