23 static void __add_trace(struct io *iop)  in __add_trace()  argument
27 	last_t_seen = BIT_TIME(iop->t.time);  in __add_trace()
30 	iostat_check_time(iop->t.time);  in __add_trace()
39 	switch (iop->t.action & 0xffff) {  in __add_trace()
40 	case __BLK_TA_QUEUE:		trace_queue(iop); break;  in __add_trace()
41 	case __BLK_TA_REMAP:		trace_remap(iop); break;  in __add_trace()
42 	case __BLK_TA_INSERT:		trace_insert(iop); break;  in __add_trace()
43 	case __BLK_TA_GETRQ:		trace_getrq(iop); break;  in __add_trace()
44 	case __BLK_TA_BACKMERGE:	trace_merge(iop); break;  in __add_trace()
45 	case __BLK_TA_FRONTMERGE:	trace_merge(iop); break;  in __add_trace()
46 	case __BLK_TA_REQUEUE:		trace_requeue(iop); break;  in __add_trace()
47 	case __BLK_TA_ISSUE:		trace_issue(iop); break;  in __add_trace()
48 	case __BLK_TA_COMPLETE:		trace_complete(iop); break;  in __add_trace()
49 	case __BLK_TA_PLUG:		trace_plug(iop); break;  in __add_trace()
50 	case __BLK_TA_UNPLUG_IO:	trace_unplug_io(iop); break;  in __add_trace()
51 	case __BLK_TA_UNPLUG_TIMER:	trace_unplug_timer(iop); break;  in __add_trace()
52 	case __BLK_TA_SLEEPRQ:		trace_sleeprq(iop); break;  in __add_trace()
54 		io_release(iop);  in __add_trace()
59 static void trace_message(struct io *iop)  in trace_message()  argument
62 	char msg[iop->t.pdu_len + 1];  in trace_message()
64 	if (!io_setup(iop, IOP_M))  in trace_message()
67 	memcpy(msg, iop->pdu, iop->t.pdu_len);  in trace_message()
68 	msg[iop->t.pdu_len] = '\0';  in trace_message()
71 		make_dev_hdr(scratch, 15, iop->dip, 1),  in trace_message()
72 		(int)SECONDS(iop->t.time),  in trace_message()
73 		(unsigned long)NANO_SECONDS(iop->t.time), msg);  in trace_message()
76 void add_trace(struct io *iop)  in add_trace()  argument
78 	if (iop->t.action & BLK_TC_ACT(BLK_TC_NOTIFY)) {  in add_trace()
79 		if (iop->t.action == BLK_TN_PROCESS) {  in add_trace()
80 			if (iop->t.pid == 0)  in add_trace()
83 				char *slash = strchr(iop->pdu, '/');  in add_trace()
87 				process_alloc(iop->t.pid, iop->pdu);  in add_trace()
89 		} else if (iop->t.action == BLK_TN_MESSAGE)  in add_trace()
90 			trace_message(iop);  in add_trace()
91 		io_release(iop);  in add_trace()
92 	} else if (iop->t.action & BLK_TC_ACT(BLK_TC_PC)) {  in add_trace()
93 		io_release(iop);  in add_trace()
96 			if (BIT_TIME(iop->t.time) < t_astart) {  in add_trace()
97 				io_release(iop);  in add_trace()
99 			} else if (BIT_TIME(iop->t.time) > t_aend) {  in add_trace()
100 				io_release(iop);  in add_trace()
105 		__add_trace(iop);  in add_trace()