Re: [PATCH 14/14] nfsd4: move rpc_client setup to a separate function

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On Mar. 11, 2009, 2:27 +0200, "J. Bruce Fields" <bfields@xxxxxxxxxxxx> wrote:
> From: J. Bruce Fields <bfields@xxxxxxxxxxxxxx>
> 
> Signed-off-by: J. Bruce Fields <bfields@xxxxxxxxxxxxxx>
> ---
>  fs/nfsd/nfs4callback.c |   33 ++++++++++++++++++++++-----------
>  1 files changed, 22 insertions(+), 11 deletions(-)
> 
> diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
> index c979af7..1d58ac7 100644
> --- a/fs/nfsd/nfs4callback.c
> +++ b/fs/nfsd/nfs4callback.c
> @@ -361,9 +361,8 @@ static struct rpc_program cb_program = {
>  /* Reference counting, callback cleanup, etc., all look racy as heck.
>   * And why is cb_set an atomic? */
>  
> -static int do_probe_callback(void *data)
> +static struct rpc_clnt *setup_callback_client(struct nfs4_client *clp)
>  {
> -	struct nfs4_client *clp = data;
>  	struct sockaddr_in	addr;
>  	struct nfs4_callback    *cb = &clp->cl_callback;
>  	struct rpc_timeout	timeparms = {
> @@ -384,15 +383,10 @@ static int do_probe_callback(void *data)
>  		.flags		= (RPC_CLNT_CREATE_NOPING | RPC_CLNT_CREATE_QUIET),
>  		.client_name    = clp->cl_principal,
>  	};
> -	struct rpc_message msg = {
> -		.rpc_proc       = &nfs4_cb_procedures[NFSPROC4_CLNT_CB_NULL],
> -		.rpc_argp       = clp,
> -	};
>  	struct rpc_clnt *client;
> -	int status = -EINVAL;
>  
>  	if (!clp->cl_principal && (clp->cl_flavor >= RPC_AUTH_GSS_KRB5))
> -		goto out_err;
> +		return ERR_PTR(-EINVAL);
>  
>  	/* Initialize address */
>  	memset(&addr, 0, sizeof(addr));
> @@ -402,9 +396,26 @@ static int do_probe_callback(void *data)
>  
>  	/* Create RPC client */
>  	client = rpc_create(&args);
> -	if (IS_ERR(client)) {
> -		dprintk("NFSD: couldn't create callback client: %d\n",
> +	if (IS_ERR(client))
> +		dprintk("NFSD: couldn't create callback client: %ld\n",
>  			PTR_ERR(client));
> +	return client;
> +
> +}
> +
> +static int do_probe_callback(void *data)
> +{
> +	struct nfs4_client *clp = data;
> +	struct nfs4_callback    *cb = &clp->cl_callback;
> +	struct rpc_message msg = {
> +		.rpc_proc       = &nfs4_cb_procedures[NFSPROC4_CLNT_CB_NULL],
> +		.rpc_argp       = clp,
> +	};
> +	struct rpc_clnt *client;
> +	int status;
> +
> +	client = setup_callback_client(clp);
> +	if (IS_ERR(client)) {
>  		status = PTR_ERR(client);
>  		goto out_err;
>  	}
> @@ -421,7 +432,7 @@ static int do_probe_callback(void *data)
>  out_release_client:
>  	rpc_shutdown_client(client);
>  out_err:
> -	dprintk("NFSD: warning: no callback path to client %.*: error %ds\n",
> +	dprintk("NFSD: warning: no callback path to client %.*s: error %ds\n"

Cool, that just leaves the trailing 's' to be cleaned up.

Benny

>  		(int)clp->cl_name.len, clp->cl_name.data, status);
>  	put_nfs4_client(clp);
>  	return 0;
--
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