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rds: Use RCU for the bind lookup searches

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The RDS bind lookups are somewhat expensive in terms of CPU
time and locking overhead.  This commit changes them into a
faster RCU based hash tree instead of the rbtrees they were using
before.

On large NUMA systems it is a significant improvement.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2010-05-11 15:09:45 -07:00
committed by Andy Grover
parent e4c52c98e0
commit 38a4e5e613
4 changed files with 57 additions and 45 deletions
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2
net/rds/rds.h
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@ -452,7 +452,7 @@ struct rds_sock {
* bound_addr used for both incoming and outgoing, no INADDR_ANY
* support.
*/
struct rb_node rs_bound_node;
struct hlist_node rs_bound_node;
__be32 rs_bound_addr;
__be32 rs_conn_addr;
__be16 rs_bound_port;