64 static void trace_note(struct blk_trace *bt, pid_t pid, int action,  in trace_note()
110 static void trace_note_tsk(struct blk_trace *bt, struct task_struct *tsk)  in trace_note_tsk()
116 static void trace_note_time(struct blk_trace *bt)  in trace_note_time()
131 void __trace_note_message(struct blk_trace *bt, const char *fmt, ...)  in __trace_note_message()
160 static int act_log_check(struct blk_trace *bt, u32 what, sector_t sector,  in act_log_check()
189 static void __blk_add_trace(struct blk_trace *bt, sector_t sector, int bytes,  in __blk_add_trace()
281 static void blk_trace_free(struct blk_trace *bt)  in blk_trace_free()
292 static void blk_trace_cleanup(struct blk_trace *bt)  in blk_trace_cleanup()
301 	struct blk_trace *bt;  in blk_trace_remove()
303 	bt = xchg(&q->blk_trace, NULL);  in blk_trace_remove()
324 	struct blk_trace *bt = filp->private_data;  in blk_dropped_read()
350 	struct blk_trace *bt;  in blk_msg_write()
386 	struct blk_trace *bt;  in blk_subbuf_start_callback()
419 static void blk_trace_setup_lba(struct blk_trace *bt,  in blk_trace_setup_lba()
443 	struct blk_trace *old_bt, *bt = NULL;  in do_blk_trace_setup()
526 	old_bt = xchg(&q->blk_trace, bt);  in do_blk_trace_setup()
528 		(void) xchg(&q->blk_trace, old_bt);  in do_blk_trace_setup()
602 	struct blk_trace *bt = q->blk_trace;  in blk_trace_startstop()
688 	if (q->blk_trace) {  in blk_trace_shutdown()
711 	struct blk_trace *bt = q->blk_trace;  in blk_add_trace_rq()
773 	struct blk_trace *bt = q->blk_trace;  in blk_add_trace_bio()
825 		struct blk_trace *bt = q->blk_trace;  in blk_add_trace_getrq()
840 		struct blk_trace *bt = q->blk_trace;  in blk_add_trace_sleeprq()
850 	struct blk_trace *bt = q->blk_trace;  in blk_add_trace_plug()
859 	struct blk_trace *bt = q->blk_trace;  in blk_add_trace_unplug()
878 	struct blk_trace *bt = q->blk_trace;  in blk_add_trace_split()
906 	struct blk_trace *bt = q->blk_trace;  in blk_add_trace_bio_remap()
939 	struct blk_trace *bt = q->blk_trace;  in blk_add_trace_rq_remap()
969 	struct blk_trace *bt = q->blk_trace;  in blk_add_driver_data()
1478 	struct blk_trace *bt;  in blk_trace_remove_queue()
1480 	bt = xchg(&q->blk_trace, NULL);  in blk_trace_remove_queue()
1497 	struct blk_trace *old_bt, *bt = NULL;  in blk_trace_setup_queue()
1513 	old_bt = xchg(&q->blk_trace, bt);  in blk_trace_setup_queue()
1515 		(void)xchg(&q->blk_trace, old_bt);  in blk_trace_setup_queue()
1664 		ret = sprintf(buf, "%u\n", !!q->blk_trace);  in sysfs_blk_trace_attr_show()
1668 	if (q->blk_trace == NULL)  in sysfs_blk_trace_attr_show()
1671 		ret = blk_trace_mask2str(buf, q->blk_trace->act_mask);  in sysfs_blk_trace_attr_show()
1673 		ret = sprintf(buf, "%u\n", q->blk_trace->pid);  in sysfs_blk_trace_attr_show()
1675 		ret = sprintf(buf, "%llu\n", q->blk_trace->start_lba);  in sysfs_blk_trace_attr_show()
1677 		ret = sprintf(buf, "%llu\n", q->blk_trace->end_lba);  in sysfs_blk_trace_attr_show()
1733 	if (q->blk_trace == NULL)  in sysfs_blk_trace_attr_store()
1738 			q->blk_trace->act_mask = value;  in sysfs_blk_trace_attr_store()
1740 			q->blk_trace->pid = value;  in sysfs_blk_trace_attr_store()
1742 			q->blk_trace->start_lba = value;  in sysfs_blk_trace_attr_store()
1744 			q->blk_trace->end_lba = value;  in sysfs_blk_trace_attr_store()