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SUNRPC: RPC metrics and RTT estimator should use same RTT value

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Compute an RPC request's RTT once, and use that value both for reporting
RPC metrics, and for adjusting the RTT context used by the RPC client's RTT
estimator algorithm.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Chuck Lever
2010-05-07 13:34:27 -04:00
committed by Trond Myklebust
parent 9bc4e3ca46
commit bbc72cea58
3 changed files with 4 additions and 11 deletions
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net/sunrpc/xprtsock.c
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@@ -844,7 +844,6 @@ static void xs_udp_data_ready(struct sock *sk, int len)
dst_confirm(skb_dst(skb));
xprt_adjust_cwnd(task, copied);
xprt_update_rtt(task);
xprt_complete_rqst(task, copied);
out_unlock: