used to indicate the whole sequence of performing barrier requests
including draining and flushing.
-typedef void (prepare_flush_fn)(request_queue_t *q, struct request *rq);
+typedef void (prepare_flush_fn)(struct request_queue *q, struct request *rq);
-int blk_queue_ordered(request_queue_t *q, unsigned ordered,
+int blk_queue_ordered(struct request_queue *q, unsigned ordered,
prepare_flush_fn *prepare_flush_fn);
@q : the queue in question
For example, SCSI disk driver's prepare_flush_fn looks like the
following.
-static void sd_prepare_flush(request_queue_t *q, struct request *rq)
+static void sd_prepare_flush(struct request_queue *q, struct request *rq)
{
memset(rq->cmd, 0, sizeof(rq->cmd));
rq->cmd_type = REQ_TYPE_BLOCK_PC;