xprt_wait_for_buffer_space  242 include/linux/sunrpc/xprt.h void			xprt_wait_for_buffer_space(struct rpc_task *task, rpc_action action);
xprt_wait_for_buffer_space  549 net/sunrpc/xprtsock.c 			xprt_wait_for_buffer_space(task, xs_nospace_callback);