From 3167e12c0c424f3c323944701615343022d86418 Mon Sep 17 00:00:00 2001
From: Chuck Lever <cel@netapp.com>
Date: Thu, 25 Aug 2005 16:25:55 -0700
Subject: [PATCH] [PATCH] RPC: make sure to get the same local port number when
 reconnecting

 Implement a best practice: if the remote end drops our connection, try to
 reconnect using the same port number.  This is important because the NFS
 server's Duplicate Reply Cache often hashes on the source port number.
 If the client reuses the port number when it reconnects, the server's DRC
 will be more effective.

 Based on suggestions by Mike Eisler, Olaf Kirch, and Alexey Kuznetsky.

 Test-plan:
 Destructive testing.

 Signed-off-by: Chuck Lever <cel@netapp.com>
 Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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