1232 typedef void (blk_log_action_t) (struct trace_iterator *iter, const char *act,
1235 static void blk_log_action_classic(struct trace_iterator *iter, const char *act,  in blk_log_action_classic()  argument
1239 	unsigned long long ts  = iter->ts;  in blk_log_action_classic()
1242 	const struct blk_io_trace *t = te_blk_io_trace(iter->ent);  in blk_log_action_classic()
1246 	trace_seq_printf(&iter->seq,  in blk_log_action_classic()
1248 			 MAJOR(t->device), MINOR(t->device), iter->cpu,  in blk_log_action_classic()
1249 			 secs, nsec_rem, iter->ent->pid, act, rwbs);  in blk_log_action_classic()
1252 static void blk_log_action(struct trace_iterator *iter, const char *act,  in blk_log_action()  argument
1256 	const struct blk_io_trace *t = te_blk_io_trace(iter->ent);  in blk_log_action()
1260 		const union kernfs_node_id *id = cgid_start(iter->ent);  in blk_log_action()
1267 			trace_seq_printf(&iter->seq, "%3d,%-3d %s %2s %3s ",  in blk_log_action()
1271 			trace_seq_printf(&iter->seq,  in blk_log_action()
1276 		trace_seq_printf(&iter->seq, "%3d,%-3d %2s %3s ",  in blk_log_action()
1459 static enum print_line_t print_one_line(struct trace_iterator *iter,  in print_one_line()  argument
1462 	struct trace_array *tr = iter->tr;  in print_one_line()
1463 	struct trace_seq *s = &iter->seq;  in print_one_line()
1470 	t	   = te_blk_io_trace(iter->ent);  in print_one_line()
1477 		log_action(iter, long_act ? "message" : "m", has_cg);  in print_one_line()
1478 		blk_log_msg(s, iter->ent, has_cg);  in print_one_line()
1485 		log_action(iter, what2act[what].act[long_act], has_cg);  in print_one_line()
1486 		what2act[what].print(s, iter->ent, has_cg);  in print_one_line()
1492 static enum print_line_t blk_trace_event_print(struct trace_iterator *iter,  in blk_trace_event_print()  argument
1495 	return print_one_line(iter, false);  in blk_trace_event_print()
1498 static void blk_trace_synthesize_old_trace(struct trace_iterator *iter)  in blk_trace_synthesize_old_trace()  argument
1500 	struct trace_seq *s = &iter->seq;  in blk_trace_synthesize_old_trace()
1501 	struct blk_io_trace *t = (struct blk_io_trace *)iter->ent;  in blk_trace_synthesize_old_trace()
1505 		.time     = iter->ts,  in blk_trace_synthesize_old_trace()
1514 blk_trace_event_print_binary(struct trace_iterator *iter, int flags,  in blk_trace_event_print_binary()  argument
1517 	blk_trace_synthesize_old_trace(iter);  in blk_trace_event_print_binary()
1519 	return trace_handle_return(&iter->seq);  in blk_trace_event_print_binary()
1522 static enum print_line_t blk_tracer_print_line(struct trace_iterator *iter)  in blk_tracer_print_line()  argument
1527 	return print_one_line(iter, true);  in blk_tracer_print_line()