68 static void trace_note(struct blk_trace *bt, pid_t pid, int action,  in trace_note()
117 	struct blk_trace *bt;  in trace_note_tsk()
128 static void trace_note_time(struct blk_trace *bt)  in trace_note_time()
143 void __trace_note_message(struct blk_trace *bt, const char *fmt, ...)  in __trace_note_message()
172 static int act_log_check(struct blk_trace *bt, u32 what, sector_t sector,  in act_log_check()
201 static void __blk_add_trace(struct blk_trace *bt, sector_t sector, int bytes,  in __blk_add_trace()
292 static void blk_trace_free(struct blk_trace *bt)  in blk_trace_free()
303 static void blk_trace_cleanup(struct blk_trace *bt)  in blk_trace_cleanup()
312 	struct blk_trace *bt;  in blk_trace_remove()
314 	bt = xchg(&q->blk_trace, NULL);  in blk_trace_remove()
328 	struct blk_trace *bt = filp->private_data;  in blk_dropped_read()
347 	struct blk_trace *bt;  in blk_msg_write()
383 	struct blk_trace *bt;  in blk_subbuf_start_callback()
416 static void blk_trace_setup_lba(struct blk_trace *bt,  in blk_trace_setup_lba()
440 	struct blk_trace *old_bt, *bt = NULL;  in do_blk_trace_setup()
524 	old_bt = xchg(&q->blk_trace, bt);  in do_blk_trace_setup()
526 		(void) xchg(&q->blk_trace, old_bt);  in do_blk_trace_setup()
599 	struct blk_trace *bt = q->blk_trace;  in blk_trace_startstop()
691 	if (q->blk_trace) {  in blk_trace_shutdown()
715 	struct blk_trace *bt = q->blk_trace;  in blk_add_trace_rq()
778 	struct blk_trace *bt = q->blk_trace;  in blk_add_trace_bio()
832 		struct blk_trace *bt = q->blk_trace;  in blk_add_trace_getrq()
847 		struct blk_trace *bt = q->blk_trace;  in blk_add_trace_sleeprq()
857 	struct blk_trace *bt = q->blk_trace;  in blk_add_trace_plug()
866 	struct blk_trace *bt = q->blk_trace;  in blk_add_trace_unplug()
885 	struct blk_trace *bt = q->blk_trace;  in blk_add_trace_split()
914 	struct blk_trace *bt = q->blk_trace;  in blk_add_trace_bio_remap()
947 	struct blk_trace *bt = q->blk_trace;  in blk_add_trace_rq_remap()
977 	struct blk_trace *bt = q->blk_trace;  in blk_add_driver_data()
1471 	struct blk_trace *bt;  in blk_trace_remove_queue()
1473 	bt = xchg(&q->blk_trace, NULL);  in blk_trace_remove_queue()
1490 	struct blk_trace *old_bt, *bt = NULL;  in blk_trace_setup_queue()
1506 	old_bt = xchg(&q->blk_trace, bt);  in blk_trace_setup_queue()
1508 		(void)xchg(&q->blk_trace, old_bt);  in blk_trace_setup_queue()
1657 		ret = sprintf(buf, "%u\n", !!q->blk_trace);  in sysfs_blk_trace_attr_show()
1661 	if (q->blk_trace == NULL)  in sysfs_blk_trace_attr_show()
1664 		ret = blk_trace_mask2str(buf, q->blk_trace->act_mask);  in sysfs_blk_trace_attr_show()
1666 		ret = sprintf(buf, "%u\n", q->blk_trace->pid);  in sysfs_blk_trace_attr_show()
1668 		ret = sprintf(buf, "%llu\n", q->blk_trace->start_lba);  in sysfs_blk_trace_attr_show()
1670 		ret = sprintf(buf, "%llu\n", q->blk_trace->end_lba);  in sysfs_blk_trace_attr_show()
1726 	if (q->blk_trace == NULL)  in sysfs_blk_trace_attr_store()
1731 			q->blk_trace->act_mask = value;  in sysfs_blk_trace_attr_store()
1733 			q->blk_trace->pid = value;  in sysfs_blk_trace_attr_store()
1735 			q->blk_trace->start_lba = value;  in sysfs_blk_trace_attr_store()
1737 			q->blk_trace->end_lba = value;  in sysfs_blk_trace_attr_store()