Re: [PATCH 2/2] supress socket error when address family is not supported

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On 05/17/2011 12:52 AM, Neil Brown wrote:
> From: Suresh Jayaraman <sjayaraman@xxxxxxx>
> 
> It was observed that when ipv6 module was not loaded and cannot be auto-loaded,
> when starting NFS server, the following error occurs:
> 	"rpc.nfsd: unable to create inet6 TCP socket: errno 97 (Address
> 	family not supported by protocol)"
> 
> This is obviously a true message, but does not represent an "error" when ipv6
> is not enabled.  Rather, it is an expected condition.  As such, it can be
> confusing / misleading / distracting to display it in this scenario.
> 
> This patch instead of throwing error when a socket call fails with
> EAFNOSUPPORT, makes it as a NOTICE.
> 
> Signed-off-by: Suresh Jayaraman <sjayaraman@xxxxxxx>
> Signed-off-by: Neil Brown <neilb@xxxxxxx>
> ---
> 
>  utils/nfsd/nfssvc.c |    9 +++++++--
>  1 files changed, 7 insertions(+), 2 deletions(-)
> 
> diff --git a/utils/nfsd/nfssvc.c b/utils/nfsd/nfssvc.c
> index ea36399..f607214 100644
> --- a/utils/nfsd/nfssvc.c
> +++ b/utils/nfsd/nfssvc.c
> @@ -174,8 +174,13 @@ nfssvc_setfds(const struct addrinfo *hints, const char *node, const char *port)
>  		sockfd = socket(addr->ai_family, addr->ai_socktype,
>  				addr->ai_protocol);
>  		if (sockfd < 0) {
> -			xlog(L_ERROR, "unable to create %s %s socket: "
> -				"errno %d (%m)", family, proto, errno);
> +			if (errno == EAFNOSUPPORT)
> +				xlog(L_NOTICE, "address family %s not "
> +						"supported by protocol %s",
> +						family, proto);
> +			else
> +				xlog(L_ERROR, "unable to create %s %s socket: "
> +				     "errno %d (%m)", family, proto, errno);
>  			rc = errno;
>  			goto error;
>  		}
> 
> 
Committed...

steved.
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