Re: [PATCH v4 20/24] xprtrdma: Reset connection timeout after successful reconnect

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On Wed, May 21, 2014 at 8:57 PM, Chuck Lever <chuck.lever@xxxxxxxxxx> wrote:
> If the new connection is able to make forward progress, reset the
> re-establish timeout. Otherwise it keeps growing even if disconnect
> events are rare.
>
> The same behavior as TCP is adopted: reconnect immediately if the
> transport instance has been able to make some forward progress.
>
> Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx>
> ---
>
>  net/sunrpc/xprtrdma/rpc_rdma.c |    2 ++
>  1 files changed, 2 insertions(+), 0 deletions(-)
>
> diff --git a/net/sunrpc/xprtrdma/rpc_rdma.c b/net/sunrpc/xprtrdma/rpc_rdma.c
> index dc4a826..1334646 100644
> --- a/net/sunrpc/xprtrdma/rpc_rdma.c
> +++ b/net/sunrpc/xprtrdma/rpc_rdma.c
> @@ -770,6 +770,8 @@ repost:
>
>         /* from here on, the reply is no longer an orphan */
>         req->rl_reply = rep;
> +       if (xprt->reestablish_timeout)
> +               xprt->reestablish_timeout = 0;

What's the point of making this conditional?
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