/**
* struct io_plan - one half of I/O to do
* @status: the status of this plan.
+ * @dir: are we plan[0] or plan[1] inside io_conn?
* @io: function to call when fd becomes read/writable, returns 0 to be
* called again, 1 if it's finished, and -1 on error (fd will be closed)
* @next: the next function which is called if io returns 1.
*/
struct io_plan {
enum io_plan_status status;
+ enum io_direction dir;
int (*io)(int fd, struct io_plan_arg *arg);