Bootlin logo

Elixir Cross Referencer

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM block

#if !defined(_TRACE_BLOCK_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_BLOCK_H

#include <linux/blktrace_api.h>
#include <linux/blkdev.h>
#include <linux/buffer_head.h>
#include <linux/tracepoint.h>

#define RWBS_LEN	8

DECLARE_EVENT_CLASS(block_buffer,

	TP_PROTO(struct buffer_head *bh),

	TP_ARGS(bh),

	TP_STRUCT__entry (
		__field(  dev_t,	dev			)
		__field(  sector_t,	sector			)
		__field(  size_t,	size			)
	),

	TP_fast_assign(
		__entry->dev		= bh->b_bdev->bd_dev;
		__entry->sector		= bh->b_blocknr;
		__entry->size		= bh->b_size;
	),

	TP_printk("%d,%d sector=%llu size=%zu",
		MAJOR(__entry->dev), MINOR(__entry->dev),
		(unsigned long long)__entry->sector, __entry->size
	)
);

/**
 * block_touch_buffer - mark a buffer accessed
 * @bh: buffer_head being touched
 *
 * Called from touch_buffer().
 */
DEFINE_EVENT(block_buffer, block_touch_buffer,

	TP_PROTO(struct buffer_head *bh),

	TP_ARGS(bh)
);

/**
 * block_dirty_buffer - mark a buffer dirty
 * @bh: buffer_head being dirtied
 *
 * Called from mark_buffer_dirty().
 */
DEFINE_EVENT(block_buffer, block_dirty_buffer,

	TP_PROTO(struct buffer_head *bh),

	TP_ARGS(bh)
);

/**
 * block_rq_requeue - place block IO request back on a queue
 * @q: queue holding operation
 * @rq: block IO operation request
 *
 * The block operation request @rq is being placed back into queue
 * @q.  For some reason the request was not completed and needs to be
 * put back in the queue.
 */
TRACE_EVENT(block_rq_requeue,

	TP_PROTO(struct request_queue *q, struct request *rq),

	TP_ARGS(q, rq),

	TP_STRUCT__entry(
		__field(  dev_t,	dev			)
		__field(  sector_t,	sector			)
		__field(  unsigned int,	nr_sector		)
		__array(  char,		rwbs,	RWBS_LEN	)
		__dynamic_array( char,	cmd,	1		)
	),

	TP_fast_assign(
		__entry->dev	   = rq->rq_disk ? disk_devt(rq->rq_disk) : 0;
		__entry->sector    = blk_rq_trace_sector(rq);
		__entry->nr_sector = blk_rq_trace_nr_sectors(rq);

		blk_fill_rwbs(__entry->rwbs, rq->cmd_flags, blk_rq_bytes(rq));
		__get_str(cmd)[0] = '\0';
	),

	TP_printk("%d,%d %s (%s) %llu + %u [%d]",
		  MAJOR(__entry->dev), MINOR(__entry->dev),
		  __entry->rwbs, __get_str(cmd),
		  (unsigned long long)__entry->sector,
		  __entry->nr_sector, 0)
);

/**
 * block_rq_complete - block IO operation completed by device driver
 * @rq: block operations request
 * @error: status code
 * @nr_bytes: number of completed bytes
 *
 * The block_rq_complete tracepoint event indicates that some portion
 * of operation request has been completed by the device driver.  If
 * the @rq->bio is %NULL, then there is absolutely no additional work to
 * do for the request. If @rq->bio is non-NULL then there is
 * additional work required to complete the request.
 */
TRACE_EVENT(block_rq_complete,

	TP_PROTO(struct request *rq, int error, unsigned int nr_bytes),

	TP_ARGS(rq, error, nr_bytes),

	TP_STRUCT__entry(
		__field(  dev_t,	dev			)
		__field(  sector_t,	sector			)
		__field(  unsigned int,	nr_sector		)
		__field(  int,		error			)
		__array(  char,		rwbs,	RWBS_LEN	)
		__dynamic_array( char,	cmd,	1		)
	),

	TP_fast_assign(
		__entry->dev	   = rq->rq_disk ? disk_devt(rq->rq_disk) : 0;
		__entry->sector    = blk_rq_pos(rq);
		__entry->nr_sector = nr_bytes >> 9;
		__entry->error     = error;

		blk_fill_rwbs(__entry->rwbs, rq->cmd_flags, nr_bytes);
		__get_str(cmd)[0] = '\0';
	),

	TP_printk("%d,%d %s (%s) %llu + %u [%d]",
		  MAJOR(__entry->dev), MINOR(__entry->dev),
		  __entry->rwbs, __get_str(cmd),
		  (unsigned long long)__entry->sector,
		  __entry->nr_sector, __entry->error)
);

DECLARE_EVENT_CLASS(block_rq,

	TP_PROTO(struct request_queue *q, struct request *rq),

	TP_ARGS(q, rq),

	TP_STRUCT__entry(
		__field(  dev_t,	dev			)
		__field(  sector_t,	sector			)
		__field(  unsigned int,	nr_sector		)
		__field(  unsigned int,	bytes			)
		__array(  char,		rwbs,	RWBS_LEN	)
		__array(  char,         comm,   TASK_COMM_LEN   )
		__dynamic_array( char,	cmd,	1		)
	),

	TP_fast_assign(
		__entry->dev	   = rq->rq_disk ? disk_devt(rq->rq_disk) : 0;
		__entry->sector    = blk_rq_trace_sector(rq);
		__entry->nr_sector = blk_rq_trace_nr_sectors(rq);
		__entry->bytes     = blk_rq_bytes(rq);

		blk_fill_rwbs(__entry->rwbs, rq->cmd_flags, blk_rq_bytes(rq));
		__get_str(cmd)[0] = '\0';
		memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
	),

	TP_printk("%d,%d %s %u (%s) %llu + %u [%s]",
		  MAJOR(__entry->dev), MINOR(__entry->dev),
		  __entry->rwbs, __entry->bytes, __get_str(cmd),
		  (unsigned long long)__entry->sector,
		  __entry->nr_sector, __entry->comm)
);

/**
 * block_rq_insert - insert block operation request into queue
 * @q: target queue
 * @rq: block IO operation request
 *
 * Called immediately before block operation request @rq is inserted
 * into queue @q.  The fields in the operation request @rq struct can
 * be examined to determine which device and sectors the pending
 * operation would access.
 */
DEFINE_EVENT(block_rq, block_rq_insert,

	TP_PROTO(struct request_queue *q, struct request *rq),

	TP_ARGS(q, rq)
);

/**
 * block_rq_issue - issue pending block IO request operation to device driver
 * @q: queue holding operation
 * @rq: block IO operation operation request
 *
 * Called when block operation request @rq from queue @q is sent to a
 * device driver for processing.
 */
DEFINE_EVENT(block_rq, block_rq_issue,

	TP_PROTO(struct request_queue *q, struct request *rq),

	TP_ARGS(q, rq)
);

/**
 * block_bio_bounce - used bounce buffer when processing block operation
 * @q: queue holding the block operation
 * @bio: block operation
 *
 * A bounce buffer was used to handle the block operation @bio in @q.
 * This occurs when hardware limitations prevent a direct transfer of
 * data between the @bio data memory area and the IO device.  Use of a
 * bounce buffer requires extra copying of data and decreases
 * performance.
 */
TRACE_EVENT(block_bio_bounce,

	TP_PROTO(struct request_queue *q, struct bio *bio),

	TP_ARGS(q, bio),

	TP_STRUCT__entry(
		__field( dev_t,		dev			)
		__field( sector_t,	sector			)
		__field( unsigned int,	nr_sector		)
		__array( char,		rwbs,	RWBS_LEN	)
		__array( char,		comm,	TASK_COMM_LEN	)
	),

	TP_fast_assign(
		__entry->dev		= bio_dev(bio);
		__entry->sector		= bio->bi_iter.bi_sector;
		__entry->nr_sector	= bio_sectors(bio);
		blk_fill_rwbs(__entry->rwbs, bio->bi_opf, bio->bi_iter.bi_size);
		memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
	),

	TP_printk("%d,%d %s %llu + %u [%s]",
		  MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
		  (unsigned long long)__entry->sector,
		  __entry->nr_sector, __entry->comm)
);

/**
 * block_bio_complete - completed all work on the block operation
 * @q: queue holding the block operation
 * @bio: block operation completed
 * @error: io error value
 *
 * This tracepoint indicates there is no further work to do on this
 * block IO operation @bio.
 */
TRACE_EVENT(block_bio_complete,

	TP_PROTO(struct request_queue *q, struct bio *bio, int error),

	TP_ARGS(q, bio, error),

	TP_STRUCT__entry(
		__field( dev_t,		dev		)
		__field( sector_t,	sector		)
		__field( unsigned,	nr_sector	)
		__field( int,		error		)
		__array( char,		rwbs,	RWBS_LEN)
	),

	TP_fast_assign(
		__entry->dev		= bio_dev(bio);
		__entry->sector		= bio->bi_iter.bi_sector;
		__entry->nr_sector	= bio_sectors(bio);
		__entry->error		= error;
		blk_fill_rwbs(__entry->rwbs, bio->bi_opf, bio->bi_iter.bi_size);
	),

	TP_printk("%d,%d %s %llu + %u [%d]",
		  MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
		  (unsigned long long)__entry->sector,
		  __entry->nr_sector, __entry->error)
);

DECLARE_EVENT_CLASS(block_bio_merge,

	TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio),

	TP_ARGS(q, rq, bio),

	TP_STRUCT__entry(
		__field( dev_t,		dev			)
		__field( sector_t,	sector			)
		__field( unsigned int,	nr_sector		)
		__array( char,		rwbs,	RWBS_LEN	)
		__array( char,		comm,	TASK_COMM_LEN	)
	),

	TP_fast_assign(
		__entry->dev		= bio_dev(bio);
		__entry->sector		= bio->bi_iter.bi_sector;
		__entry->nr_sector	= bio_sectors(bio);
		blk_fill_rwbs(__entry->rwbs, bio->bi_opf, bio->bi_iter.bi_size);
		memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
	),

	TP_printk("%d,%d %s %llu + %u [%s]",
		  MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
		  (unsigned long long)__entry->sector,
		  __entry->nr_sector, __entry->comm)
);

/**
 * block_bio_backmerge - merging block operation to the end of an existing operation
 * @q: queue holding operation
 * @rq: request bio is being merged into
 * @bio: new block operation to merge
 *
 * Merging block request @bio to the end of an existing block request
 * in queue @q.
 */
DEFINE_EVENT(block_bio_merge, block_bio_backmerge,

	TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio),

	TP_ARGS(q, rq, bio)
);

/**
 * block_bio_frontmerge - merging block operation to the beginning of an existing operation
 * @q: queue holding operation
 * @rq: request bio is being merged into
 * @bio: new block operation to merge
 *
 * Merging block IO operation @bio to the beginning of an existing block
 * operation in queue @q.
 */
DEFINE_EVENT(block_bio_merge, block_bio_frontmerge,

	TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio),

	TP_ARGS(q, rq, bio)
);

/**
 * block_bio_queue - putting new block IO operation in queue
 * @q: queue holding operation
 * @bio: new block operation
 *
 * About to place the block IO operation @bio into queue @q.
 */
TRACE_EVENT(block_bio_queue,

	TP_PROTO(struct request_queue *q, struct bio *bio),

	TP_ARGS(q, bio),

	TP_STRUCT__entry(
		__field( dev_t,		dev			)
		__field( sector_t,	sector			)
		__field( unsigned int,	nr_sector		)
		__array( char,		rwbs,	RWBS_LEN	)
		__array( char,		comm,	TASK_COMM_LEN	)
	),

	TP_fast_assign(
		__entry->dev		= bio_dev(bio);
		__entry->sector		= bio->bi_iter.bi_sector;
		__entry->nr_sector	= bio_sectors(bio);
		blk_fill_rwbs(__entry->rwbs, bio->bi_opf, bio->bi_iter.bi_size);
		memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
	),

	TP_printk("%d,%d %s %llu + %u [%s]",
		  MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
		  (unsigned long long)__entry->sector,
		  __entry->nr_sector, __entry->comm)
);

DECLARE_EVENT_CLASS(block_get_rq,

	TP_PROTO(struct request_queue *q, struct bio *bio, int rw),

	TP_ARGS(q, bio, rw),

	TP_STRUCT__entry(
		__field( dev_t,		dev			)
		__field( sector_t,	sector			)
		__field( unsigned int,	nr_sector		)
		__array( char,		rwbs,	RWBS_LEN	)
		__array( char,		comm,	TASK_COMM_LEN	)
        ),

	TP_fast_assign(
		__entry->dev		= bio ? bio_dev(bio) : 0;
		__entry->sector		= bio ? bio->bi_iter.bi_sector : 0;
		__entry->nr_sector	= bio ? bio_sectors(bio) : 0;
		blk_fill_rwbs(__entry->rwbs,
			      bio ? bio->bi_opf : 0, __entry->nr_sector);
		memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
        ),

	TP_printk("%d,%d %s %llu + %u [%s]",
		  MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
		  (unsigned long long)__entry->sector,
		  __entry->nr_sector, __entry->comm)
);

/**
 * block_getrq - get a free request entry in queue for block IO operations
 * @q: queue for operations
 * @bio: pending block IO operation (can be %NULL)
 * @rw: low bit indicates a read (%0) or a write (%1)
 *
 * A request struct for queue @q has been allocated to handle the
 * block IO operation @bio.
 */
DEFINE_EVENT(block_get_rq, block_getrq,

	TP_PROTO(struct request_queue *q, struct bio *bio, int rw),

	TP_ARGS(q, bio, rw)
);

/**
 * block_sleeprq - waiting to get a free request entry in queue for block IO operation
 * @q: queue for operation
 * @bio: pending block IO operation (can be %NULL)
 * @rw: low bit indicates a read (%0) or a write (%1)
 *
 * In the case where a request struct cannot be provided for queue @q
 * the process needs to wait for an request struct to become
 * available.  This tracepoint event is generated each time the
 * process goes to sleep waiting for request struct become available.
 */
DEFINE_EVENT(block_get_rq, block_sleeprq,

	TP_PROTO(struct request_queue *q, struct bio *bio, int rw),

	TP_ARGS(q, bio, rw)
);

/**
 * block_plug - keep operations requests in request queue
 * @q: request queue to plug
 *
 * Plug the request queue @q.  Do not allow block operation requests
 * to be sent to the device driver. Instead, accumulate requests in
 * the queue to improve throughput performance of the block device.
 */
TRACE_EVENT(block_plug,

	TP_PROTO(struct request_queue *q),

	TP_ARGS(q),

	TP_STRUCT__entry(
		__array( char,		comm,	TASK_COMM_LEN	)
	),

	TP_fast_assign(
		memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
	),

	TP_printk("[%s]", __entry->comm)
);

DECLARE_EVENT_CLASS(block_unplug,

	TP_PROTO(struct request_queue *q, unsigned int depth, bool explicit),

	TP_ARGS(q, depth, explicit),

	TP_STRUCT__entry(
		__field( int,		nr_rq			)
		__array( char,		comm,	TASK_COMM_LEN	)
	),

	TP_fast_assign(
		__entry->nr_rq = depth;
		memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
	),

	TP_printk("[%s] %d", __entry->comm, __entry->nr_rq)
);

/**
 * block_unplug - release of operations requests in request queue
 * @q: request queue to unplug
 * @depth: number of requests just added to the queue
 * @explicit: whether this was an explicit unplug, or one from schedule()
 *
 * Unplug request queue @q because device driver is scheduled to work
 * on elements in the request queue.
 */
DEFINE_EVENT(block_unplug, block_unplug,

	TP_PROTO(struct request_queue *q, unsigned int depth, bool explicit),

	TP_ARGS(q, depth, explicit)
);

/**
 * block_split - split a single bio struct into two bio structs
 * @q: queue containing the bio
 * @bio: block operation being split
 * @new_sector: The starting sector for the new bio
 *
 * The bio request @bio in request queue @q needs to be split into two
 * bio requests. The newly created @bio request starts at
 * @new_sector. This split may be required due to hardware limitation
 * such as operation crossing device boundaries in a RAID system.
 */
TRACE_EVENT(block_split,

	TP_PROTO(struct request_queue *q, struct bio *bio,
		 unsigned int new_sector),

	TP_ARGS(q, bio, new_sector),

	TP_STRUCT__entry(
		__field( dev_t,		dev				)
		__field( sector_t,	sector				)
		__field( sector_t,	new_sector			)
		__array( char,		rwbs,		RWBS_LEN	)
		__array( char,		comm,		TASK_COMM_LEN	)
	),

	TP_fast_assign(
		__entry->dev		= bio_dev(bio);
		__entry->sector		= bio->bi_iter.bi_sector;
		__entry->new_sector	= new_sector;
		blk_fill_rwbs(__entry->rwbs, bio->bi_opf, bio->bi_iter.bi_size);
		memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
	),

	TP_printk("%d,%d %s %llu / %llu [%s]",
		  MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
		  (unsigned long long)__entry->sector,
		  (unsigned long long)__entry->new_sector,
		  __entry->comm)
);

/**
 * block_bio_remap - map request for a logical device to the raw device
 * @q: queue holding the operation
 * @bio: revised operation
 * @dev: device for the operation
 * @from: original sector for the operation
 *
 * An operation for a logical device has been mapped to the
 * raw block device.
 */
TRACE_EVENT(block_bio_remap,

	TP_PROTO(struct request_queue *q, struct bio *bio, dev_t dev,
		 sector_t from),

	TP_ARGS(q, bio, dev, from),

	TP_STRUCT__entry(
		__field( dev_t,		dev		)
		__field( sector_t,	sector		)
		__field( unsigned int,	nr_sector	)
		__field( dev_t,		old_dev		)
		__field( sector_t,	old_sector	)
		__array( char,		rwbs,	RWBS_LEN)
	),

	TP_fast_assign(
		__entry->dev		= bio_dev(bio);
		__entry->sector		= bio->bi_iter.bi_sector;
		__entry->nr_sector	= bio_sectors(bio);
		__entry->old_dev	= dev;
		__entry->old_sector	= from;
		blk_fill_rwbs(__entry->rwbs, bio->bi_opf, bio->bi_iter.bi_size);
	),

	TP_printk("%d,%d %s %llu + %u <- (%d,%d) %llu",
		  MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
		  (unsigned long long)__entry->sector,
		  __entry->nr_sector,
		  MAJOR(__entry->old_dev), MINOR(__entry->old_dev),
		  (unsigned long long)__entry->old_sector)
);

/**
 * block_rq_remap - map request for a block operation request
 * @q: queue holding the operation
 * @rq: block IO operation request
 * @dev: device for the operation
 * @from: original sector for the operation
 *
 * The block operation request @rq in @q has been remapped.  The block
 * operation request @rq holds the current information and @from hold
 * the original sector.
 */
TRACE_EVENT(block_rq_remap,

	TP_PROTO(struct request_queue *q, struct request *rq, dev_t dev,
		 sector_t from),

	TP_ARGS(q, rq, dev, from),

	TP_STRUCT__entry(
		__field( dev_t,		dev		)
		__field( sector_t,	sector		)
		__field( unsigned int,	nr_sector	)
		__field( dev_t,		old_dev		)
		__field( sector_t,	old_sector	)
		__field( unsigned int,	nr_bios		)
		__array( char,		rwbs,	RWBS_LEN)
	),

	TP_fast_assign(
		__entry->dev		= disk_devt(rq->rq_disk);
		__entry->sector		= blk_rq_pos(rq);
		__entry->nr_sector	= blk_rq_sectors(rq);
		__entry->old_dev	= dev;
		__entry->old_sector	= from;
		__entry->nr_bios	= blk_rq_count_bios(rq);
		blk_fill_rwbs(__entry->rwbs, rq->cmd_flags, blk_rq_bytes(rq));
	),

	TP_printk("%d,%d %s %llu + %u <- (%d,%d) %llu %u",
		  MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
		  (unsigned long long)__entry->sector,
		  __entry->nr_sector,
		  MAJOR(__entry->old_dev), MINOR(__entry->old_dev),
		  (unsigned long long)__entry->old_sector, __entry->nr_bios)
);

#endif /* _TRACE_BLOCK_H */

/* This part must be outside protection */
#include <trace/define_trace.h>