static struct request *
sio_choose_expired_request(struct sio_data *sd)
{
struct request *rq;
/*
* Check expired requests.
* Asynchronous requests have priority over synchronous.
* Write requests have priority over read.
*/
rq = sio_expired_request(sd, ASYNC, WRITE);
if (rq)
return rq;
rq = sio_expired_request(sd, ASYNC, READ);
if (rq)
return rq;
rq = sio_expired_request(sd, SYNC, WRITE);
if (rq)
return rq;
rq = sio_expired_request(sd, SYNC, READ);
if (rq)
return rq;
return NULL;
}
static struct request *
sio_choose_expired_request(struct sio_data *sd)
{
struct request *sync = sio_expired_request(sd, SYNC);
struct request *async = sio_expired_request(sd, ASYNC);
/*
* Check expired requests. Asynchronous requests have
* priority over synchronous.
*/
if (sync && async)
return async;
if (sync)
return sync;
return async;
}
static struct request *
sio_choose_expired_request(struct sio_data *sd)
{
struct request *rq;
rq = sio_expired_request(sd, ASYNC, WRITE);
if (rq)
return rq;
rq = sio_expired_request(sd, ASYNC, READ);
if (rq)
return rq;
rq = sio_expired_request(sd, SYNC, WRITE);
if (rq)
return rq;
rq = sio_expired_request(sd, SYNC, READ);
if (rq)
return rq;
return NULL;
}
