66 static void trace_note(struct blk_trace *bt, pid_t pid, int action,  in trace_note()
119 	struct blk_trace *bt;  in trace_note_tsk()
130 static void trace_note_time(struct blk_trace *bt)  in trace_note_time()
146 void __trace_note_message(struct blk_trace *bt, struct blkcg *blkcg,  in __trace_note_message()
183 static int act_log_check(struct blk_trace *bt, u32 what, sector_t sector,  in act_log_check()
213 static void __blk_add_trace(struct blk_trace *bt, sector_t sector, int bytes,  in __blk_add_trace()
310 static void blk_trace_free(struct blk_trace *bt)  in blk_trace_free()
337 static void blk_trace_cleanup(struct blk_trace *bt)  in blk_trace_cleanup()
345 	struct blk_trace *bt;  in __blk_trace_remove()
347 	bt = xchg(&q->blk_trace, NULL);  in __blk_trace_remove()
372 	struct blk_trace *bt = filp->private_data;  in blk_dropped_read()
391 	struct blk_trace *bt;  in blk_msg_write()
421 	struct blk_trace *bt;  in blk_subbuf_start_callback()
454 static void blk_trace_setup_lba(struct blk_trace *bt,  in blk_trace_setup_lba()
478 	struct blk_trace *bt = NULL;  in do_blk_trace_setup()
547 	if (cmpxchg(&q->blk_trace, NULL, bt))  in do_blk_trace_setup()
633 	struct blk_trace *bt = q->blk_trace;  in __blk_trace_startstop()
745 	if (q->blk_trace) {  in blk_trace_shutdown()
757 	struct blk_trace *bt = q->blk_trace;  in blk_trace_bio_get_cgid()
803 	struct blk_trace *bt = rq->q->blk_trace;  in blk_add_trace_rq()
860 	struct blk_trace *bt = q->blk_trace;  in blk_add_trace_bio()
912 		struct blk_trace *bt = q->blk_trace;  in blk_add_trace_getrq()
928 		struct blk_trace *bt = q->blk_trace;  in blk_add_trace_sleeprq()
938 	struct blk_trace *bt = q->blk_trace;  in blk_add_trace_plug()
947 	struct blk_trace *bt = q->blk_trace;  in blk_add_trace_unplug()
966 	struct blk_trace *bt = q->blk_trace;  in blk_add_trace_split()
995 	struct blk_trace *bt = q->blk_trace;  in blk_add_trace_bio_remap()
1028 	struct blk_trace *bt = q->blk_trace;  in blk_add_trace_rq_remap()
1058 	struct blk_trace *bt = q->blk_trace;  in blk_add_driver_data()
1585 	struct blk_trace *bt;  in blk_trace_remove_queue()
1587 	bt = xchg(&q->blk_trace, NULL);  in blk_trace_remove_queue()
1602 	struct blk_trace *bt = NULL;  in blk_trace_setup_queue()
1619 	if (cmpxchg(&q->blk_trace, NULL, bt))  in blk_trace_setup_queue()
1766 		ret = sprintf(buf, "%u\n", !!q->blk_trace);  in sysfs_blk_trace_attr_show()
1770 	if (q->blk_trace == NULL)  in sysfs_blk_trace_attr_show()
1773 		ret = blk_trace_mask2str(buf, q->blk_trace->act_mask);  in sysfs_blk_trace_attr_show()
1775 		ret = sprintf(buf, "%u\n", q->blk_trace->pid);  in sysfs_blk_trace_attr_show()
1777 		ret = sprintf(buf, "%llu\n", q->blk_trace->start_lba);  in sysfs_blk_trace_attr_show()
1779 		ret = sprintf(buf, "%llu\n", q->blk_trace->end_lba);  in sysfs_blk_trace_attr_show()
1827 		if (!!value == !!q->blk_trace) {  in sysfs_blk_trace_attr_store()
1839 	if (q->blk_trace == NULL)  in sysfs_blk_trace_attr_store()
1844 			q->blk_trace->act_mask = value;  in sysfs_blk_trace_attr_store()
1846 			q->blk_trace->pid = value;  in sysfs_blk_trace_attr_store()
1848 			q->blk_trace->start_lba = value;  in sysfs_blk_trace_attr_store()
1850 			q->blk_trace->end_lba = value;  in sysfs_blk_trace_attr_store()