[sheepdog] [PATCH] gateway: use more user friendly outout for poll timeout

[Wenhao]

On Thu, May 23, 2013 at 2:01 PM, Liu Yuan <namei.unix at gmail.com> wrote:
> Signed-off-by: Liu Yuan <namei.unix at gmail.com>
> ---
>  sheep/gateway.c |    4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/sheep/gateway.c b/sheep/gateway.c
> index 1a37ad8..d177345 100644
> --- a/sheep/gateway.c
> +++ b/sheep/gateway.c
> @@ -164,7 +164,9 @@ again:
>
>                 panic("%m");
>         } else if (pollret == 0) {
> -               sd_eprintf("poll timeout %d", wi->nr_sent);
> +               sd_eprintf("poll timeout %d, the disks of some nodes or "
> +                          "network is busy. Going to poll-wait again",
> +                          wi->nr_sent);
>                 /*
>                  * If IO NIC is down, epoch isn't incremented, so we can't retry
>                  * for ever.

This seems not a good place to print "Going to poll-wait again". I
guess it should be placed just before
if (sheep_need_retry(req->rq.epoch) && repeat) {
			repeat--;
	>>>		goto again;
		}
and probably add a else statement to warning the user the poll will
not be retried.


> --
> 1.7.9.5
>
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