80 struct request {  struct
81 	struct request_queue *q;  argument
102 		struct request *rq_next;  argument
107 	/* Time that the first bio started allocating this request. */  argument
110 	/* Time that this request was allocated for this IO. */  argument
111 	u64 start_time_ns;
113 	u64 io_start_time_ns;
116 	unsigned short wbt_flags;
123 	unsigned short stats_sectors;
149 	 * request reaches the dispatch list. The ipi_list is only used  argument
160 	 * The rb_node is only used inside the io scheduler, requests  argument
165 	union {
193 static inline enum req_op req_op(const struct request *req)  in req_op()  argument