From: Chuck Lever <cel@netapp.com>
Date: Mon, 20 Mar 2006 18:44:22 +0000 (-0500)
Subject: SUNRPC: provide a mechanism for collecting stats in the RPC client
X-Git-Tag: v2.6.17-rc1~667^2~75
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=11c556b3d8d481829ab5f9933a25d29b00913b5a;p=pandora-kernel.git

SUNRPC: provide a mechanism for collecting stats in the RPC client

Add a simple mechanism for collecting stats in the RPC client.  Stats are
tabulated during xprt_release.  Note that per_cpu shenanigans are not
required here because the RPC client already serializes on the transport
write lock.

Test plan:
Compile kernel with CONFIG_NFS enabled.  Basic performance regression
testing with high-speed networking and high performance server.

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