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tipc: Optimizations to link creation code

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Enhances link creation code as follows:

1) Detects illegal attempts to add a requested link earlier in the
   link creation process. This prevents TIPC from wasting time
   initializing a link object it then throws away, and also eliminates
   the code needed to do the throwing away.

2) Passes in the node object associated with the requested link.
   This allows TIPC to eliminate a search to locate the node object,
   as well as code that attempted to create the node if it doesn't
   exist.

Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
This commit is contained in:
Allan Stephens
2011-02-28 11:32:27 -05:00
committed by Paul Gortmaker
parent fa2bae2d5b
commit 37b9c08a88
5 changed files with 28 additions and 36 deletions
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2
net/tipc/discover.c
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@@ -169,7 +169,7 @@ void tipc_disc_recv_msg(struct sk_buff *buf, struct tipc_bearer *b_ptr)
/* Create a link endpoint for this bearer, if necessary */
if (!link) {
link = tipc_link_create(b_ptr, orig, &media_addr);
link = tipc_link_create(n_ptr, b_ptr, &media_addr);
if (!link) {
tipc_node_unlock(n_ptr);
return;