* RPC_STATUS_CANCEL : The connection attempt was aborted before it could complete.
* data is NULL.
*/
-int rpc_nfs_readlink_async(struct rpc_context *rpc, rpc_cb cb, struct nfs_fh3 *fh, void *private_data);
+struct READLINK3args;
+int rpc_nfs_readlink_async(struct rpc_context *rpc, rpc_cb cb, struct READLINK3args *args, void *private_data);