From: Chuck Lever <cel@netapp.com>
Date: Thu, 25 Aug 2005 23:25:50 +0000 (-0700)
Subject: [PATCH] RPC: add API to set transport-specific timeouts
X-Git-Tag: v2.6.15-rc1~733^2~73
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fe3aca290f17ae4978bd73d02aa4029f1c9c024c;p=pandora-kernel.git

[PATCH] RPC: add API to set transport-specific timeouts

 Prepare the way to remove the "xprt->nocong" variable by adding a callout
 to the RPC client transport switch API to handle setting RPC retransmit
 timeouts.

 Add a pair of generic helper functions that provide the ability to set a
 simple fixed timeout, or to set a timeout based on the state of a round-
 trip estimator.

 Test-plan:
 Use WAN simulation to cause sporadic bursty packet loss.  Look for significant
 regression in performance or client stability.

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