118 struct request {  struct
119 	struct request_queue *q;  argument
140 	 * request reaches the dispatch list. The ipi_list is only used  argument
151 	 * The rb_node is only used inside the io scheduler, requests  argument
164 	 * more they have to dynamically allocate it.  Flush requests are  argument
184 	/* Time that the first bio started allocating this request. */  argument
187 	/* Time that this request was allocated for this IO. */  argument
188 	u64 start_time_ns;
190 	u64 io_start_time_ns;
193 	unsigned short wbt_flags;
200 	unsigned short stats_sectors;
206 	unsigned short nr_phys_segments;
209 	unsigned short nr_integrity_segments;
213 	struct bio_crypt_ctx *crypt_ctx;
214 	struct blk_ksm_keyslot *crypt_keyslot;
217 	unsigned short write_hint;
218 	unsigned short ioprio;
220 	enum mq_rq_state state;
244 static inline bool blk_rq_is_passthrough(struct request *rq)  in blk_rq_is_passthrough()  argument