xref: /linux/include/trace/events/block.h (revision 6e11664f148454a127dd89e8698c3e3e80e5f62f)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #undef TRACE_SYSTEM
3 #define TRACE_SYSTEM block
4 
5 #if !defined(_TRACE_BLOCK_H) || defined(TRACE_HEADER_MULTI_READ)
6 #define _TRACE_BLOCK_H
7 
8 #include <linux/blktrace_api.h>
9 #include <linux/blkdev.h>
10 #include <linux/buffer_head.h>
11 #include <linux/tracepoint.h>
12 #include <uapi/linux/ioprio.h>
13 
14 #define RWBS_LEN	10
15 
16 #define IOPRIO_CLASS_STRINGS \
17 	{ IOPRIO_CLASS_NONE,	"none" }, \
18 	{ IOPRIO_CLASS_RT,	"rt" }, \
19 	{ IOPRIO_CLASS_BE,	"be" }, \
20 	{ IOPRIO_CLASS_IDLE,	"idle" }, \
21 	{ IOPRIO_CLASS_INVALID,	"invalid"}
22 
23 #ifdef CONFIG_BUFFER_HEAD
24 DECLARE_EVENT_CLASS(block_buffer,
25 
26 	TP_PROTO(struct buffer_head *bh),
27 
28 	TP_ARGS(bh),
29 
30 	TP_STRUCT__entry (
31 		__field(  dev_t,	dev			)
32 		__field(  sector_t,	sector			)
33 		__field(  size_t,	size			)
34 	),
35 
36 	TP_fast_assign(
37 		__entry->dev		= bh->b_bdev->bd_dev;
38 		__entry->sector		= bh->b_blocknr;
39 		__entry->size		= bh->b_size;
40 	),
41 
42 	TP_printk("%d,%d sector=%llu size=%zu",
43 		MAJOR(__entry->dev), MINOR(__entry->dev),
44 		(unsigned long long)__entry->sector, __entry->size
45 	)
46 );
47 
48 /**
49  * block_touch_buffer - mark a buffer accessed
50  * @bh: buffer_head being touched
51  *
52  * Called from touch_buffer().
53  */
54 DEFINE_EVENT(block_buffer, block_touch_buffer,
55 
56 	TP_PROTO(struct buffer_head *bh),
57 
58 	TP_ARGS(bh)
59 );
60 
61 /**
62  * block_dirty_buffer - mark a buffer dirty
63  * @bh: buffer_head being dirtied
64  *
65  * Called from mark_buffer_dirty().
66  */
67 DEFINE_EVENT(block_buffer, block_dirty_buffer,
68 
69 	TP_PROTO(struct buffer_head *bh),
70 
71 	TP_ARGS(bh)
72 );
73 #endif /* CONFIG_BUFFER_HEAD */
74 
75 /**
76  * block_rq_requeue - place block IO request back on a queue
77  * @rq: block IO operation request
78  *
79  * The block operation request @rq is being placed back into queue
80  * @q.  For some reason the request was not completed and needs to be
81  * put back in the queue.
82  */
83 TRACE_EVENT(block_rq_requeue,
84 
85 	TP_PROTO(struct request *rq),
86 
87 	TP_ARGS(rq),
88 
89 	TP_STRUCT__entry(
90 		__field(  dev_t,	dev			)
91 		__field(  sector_t,	sector			)
92 		__field(  unsigned int,	nr_sector		)
93 		__field(  unsigned short, ioprio		)
94 		__array(  char,		rwbs,	RWBS_LEN	)
95 		__dynamic_array( char,	cmd,	1		)
96 	),
97 
98 	TP_fast_assign(
99 		__entry->dev	   = rq->q->disk ? disk_devt(rq->q->disk) : 0;
100 		__entry->sector    = blk_rq_trace_sector(rq);
101 		__entry->nr_sector = blk_rq_trace_nr_sectors(rq);
102 		__entry->ioprio    = req_get_ioprio(rq);
103 
104 		blk_fill_rwbs(__entry->rwbs, rq->cmd_flags);
105 		__get_str(cmd)[0] = '\0';
106 	),
107 
108 	TP_printk("%d,%d %s (%s) %llu + %u %s,%u,%u [%d]",
109 		  MAJOR(__entry->dev), MINOR(__entry->dev),
110 		  __entry->rwbs, __get_str(cmd),
111 		  (unsigned long long)__entry->sector, __entry->nr_sector,
112 		  __print_symbolic(IOPRIO_PRIO_CLASS(__entry->ioprio),
113 				   IOPRIO_CLASS_STRINGS),
114 		  IOPRIO_PRIO_HINT(__entry->ioprio),
115 		  IOPRIO_PRIO_LEVEL(__entry->ioprio),  0)
116 );
117 
118 DECLARE_EVENT_CLASS(block_rq_completion,
119 
120 	TP_PROTO(struct request *rq, blk_status_t error, unsigned int nr_bytes),
121 
122 	TP_ARGS(rq, error, nr_bytes),
123 
124 	TP_STRUCT__entry(
125 		__field(  dev_t,	dev			)
126 		__field(  sector_t,	sector			)
127 		__field(  unsigned int,	nr_sector		)
128 		__field(  int	,	error			)
129 		__field(  unsigned short, ioprio		)
130 		__array(  char,		rwbs,	RWBS_LEN	)
131 		__dynamic_array( char,	cmd,	1		)
132 	),
133 
134 	TP_fast_assign(
135 		__entry->dev	   = rq->q->disk ? disk_devt(rq->q->disk) : 0;
136 		__entry->sector    = blk_rq_pos(rq);
137 		__entry->nr_sector = nr_bytes >> 9;
138 		__entry->error     = blk_status_to_errno(error);
139 		__entry->ioprio    = req_get_ioprio(rq);
140 
141 		blk_fill_rwbs(__entry->rwbs, rq->cmd_flags);
142 		__get_str(cmd)[0] = '\0';
143 	),
144 
145 	TP_printk("%d,%d %s (%s) %llu + %u %s,%u,%u [%d]",
146 		  MAJOR(__entry->dev), MINOR(__entry->dev),
147 		  __entry->rwbs, __get_str(cmd),
148 		  (unsigned long long)__entry->sector, __entry->nr_sector,
149 		  __print_symbolic(IOPRIO_PRIO_CLASS(__entry->ioprio),
150 				   IOPRIO_CLASS_STRINGS),
151 		  IOPRIO_PRIO_HINT(__entry->ioprio),
152 		  IOPRIO_PRIO_LEVEL(__entry->ioprio), __entry->error)
153 );
154 
155 /**
156  * block_rq_complete - block IO operation completed by device driver
157  * @rq: block operations request
158  * @error: status code
159  * @nr_bytes: number of completed bytes
160  *
161  * The block_rq_complete tracepoint event indicates that some portion
162  * of operation request has been completed by the device driver.  If
163  * the @rq->bio is %NULL, then there is absolutely no additional work to
164  * do for the request. If @rq->bio is non-NULL then there is
165  * additional work required to complete the request.
166  */
167 DEFINE_EVENT(block_rq_completion, block_rq_complete,
168 
169 	TP_PROTO(struct request *rq, blk_status_t error, unsigned int nr_bytes),
170 
171 	TP_ARGS(rq, error, nr_bytes)
172 );
173 
174 /**
175  * block_rq_error - block IO operation error reported by device driver
176  * @rq: block operations request
177  * @error: status code
178  * @nr_bytes: number of completed bytes
179  *
180  * The block_rq_error tracepoint event indicates that some portion
181  * of operation request has failed as reported by the device driver.
182  */
183 DEFINE_EVENT(block_rq_completion, block_rq_error,
184 
185 	TP_PROTO(struct request *rq, blk_status_t error, unsigned int nr_bytes),
186 
187 	TP_ARGS(rq, error, nr_bytes)
188 );
189 
190 DECLARE_EVENT_CLASS(block_rq,
191 
192 	TP_PROTO(struct request *rq),
193 
194 	TP_ARGS(rq),
195 
196 	TP_STRUCT__entry(
197 		__field(  dev_t,	dev			)
198 		__field(  sector_t,	sector			)
199 		__field(  unsigned int,	nr_sector		)
200 		__field(  unsigned int,	bytes			)
201 		__field(  unsigned short, ioprio		)
202 		__array(  char,		rwbs,	RWBS_LEN	)
203 		__array(  char,         comm,   TASK_COMM_LEN   )
204 		__dynamic_array( char,	cmd,	1		)
205 	),
206 
207 	TP_fast_assign(
208 		__entry->dev	   = rq->q->disk ? disk_devt(rq->q->disk) : 0;
209 		__entry->sector    = blk_rq_trace_sector(rq);
210 		__entry->nr_sector = blk_rq_trace_nr_sectors(rq);
211 		__entry->bytes     = blk_rq_bytes(rq);
212 		__entry->ioprio	   = req_get_ioprio(rq);
213 
214 		blk_fill_rwbs(__entry->rwbs, rq->cmd_flags);
215 		__get_str(cmd)[0] = '\0';
216 		memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
217 	),
218 
219 	TP_printk("%d,%d %s %u (%s) %llu + %u %s,%u,%u [%s]",
220 		  MAJOR(__entry->dev), MINOR(__entry->dev),
221 		  __entry->rwbs, __entry->bytes, __get_str(cmd),
222 		  (unsigned long long)__entry->sector, __entry->nr_sector,
223 		  __print_symbolic(IOPRIO_PRIO_CLASS(__entry->ioprio),
224 				   IOPRIO_CLASS_STRINGS),
225 		  IOPRIO_PRIO_HINT(__entry->ioprio),
226 		  IOPRIO_PRIO_LEVEL(__entry->ioprio), __entry->comm)
227 );
228 
229 /**
230  * block_rq_insert - insert block operation request into queue
231  * @rq: block IO operation request
232  *
233  * Called immediately before block operation request @rq is inserted
234  * into queue @q.  The fields in the operation request @rq struct can
235  * be examined to determine which device and sectors the pending
236  * operation would access.
237  */
238 DEFINE_EVENT(block_rq, block_rq_insert,
239 
240 	TP_PROTO(struct request *rq),
241 
242 	TP_ARGS(rq)
243 );
244 
245 /**
246  * block_rq_issue - issue pending block IO request operation to device driver
247  * @rq: block IO operation request
248  *
249  * Called when block operation request @rq from queue @q is sent to a
250  * device driver for processing.
251  */
252 DEFINE_EVENT(block_rq, block_rq_issue,
253 
254 	TP_PROTO(struct request *rq),
255 
256 	TP_ARGS(rq)
257 );
258 
259 /**
260  * block_rq_merge - merge request with another one in the elevator
261  * @rq: block IO operation request
262  *
263  * Called when block operation request @rq from queue @q is merged to another
264  * request queued in the elevator.
265  */
266 DEFINE_EVENT(block_rq, block_rq_merge,
267 
268 	TP_PROTO(struct request *rq),
269 
270 	TP_ARGS(rq)
271 );
272 
273 /**
274  * block_io_start - insert a request for execution
275  * @rq: block IO operation request
276  *
277  * Called when block operation request @rq is queued for execution
278  */
279 DEFINE_EVENT(block_rq, block_io_start,
280 
281 	TP_PROTO(struct request *rq),
282 
283 	TP_ARGS(rq)
284 );
285 
286 /**
287  * block_io_done - block IO operation request completed
288  * @rq: block IO operation request
289  *
290  * Called when block operation request @rq is completed
291  */
292 DEFINE_EVENT(block_rq, block_io_done,
293 
294 	TP_PROTO(struct request *rq),
295 
296 	TP_ARGS(rq)
297 );
298 
299 /**
300  * block_bio_complete - completed all work on the block operation
301  * @q: queue holding the block operation
302  * @bio: block operation completed
303  *
304  * This tracepoint indicates there is no further work to do on this
305  * block IO operation @bio.
306  */
307 TRACE_EVENT(block_bio_complete,
308 
309 	TP_PROTO(struct request_queue *q, struct bio *bio),
310 
311 	TP_ARGS(q, bio),
312 
313 	TP_STRUCT__entry(
314 		__field( dev_t,		dev		)
315 		__field( sector_t,	sector		)
316 		__field( unsigned,	nr_sector	)
317 		__field( int,		error		)
318 		__array( char,		rwbs,	RWBS_LEN)
319 	),
320 
321 	TP_fast_assign(
322 		__entry->dev		= bio_dev(bio);
323 		__entry->sector		= bio->bi_iter.bi_sector;
324 		__entry->nr_sector	= bio_sectors(bio);
325 		__entry->error		= blk_status_to_errno(bio->bi_status);
326 		blk_fill_rwbs(__entry->rwbs, bio->bi_opf);
327 	),
328 
329 	TP_printk("%d,%d %s %llu + %u [%d]",
330 		  MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
331 		  (unsigned long long)__entry->sector,
332 		  __entry->nr_sector, __entry->error)
333 );
334 
335 DECLARE_EVENT_CLASS(block_bio,
336 
337 	TP_PROTO(struct bio *bio),
338 
339 	TP_ARGS(bio),
340 
341 	TP_STRUCT__entry(
342 		__field( dev_t,		dev			)
343 		__field( sector_t,	sector			)
344 		__field( unsigned int,	nr_sector		)
345 		__array( char,		rwbs,	RWBS_LEN	)
346 		__array( char,		comm,	TASK_COMM_LEN	)
347 	),
348 
349 	TP_fast_assign(
350 		__entry->dev		= bio_dev(bio);
351 		__entry->sector		= bio->bi_iter.bi_sector;
352 		__entry->nr_sector	= bio_sectors(bio);
353 		blk_fill_rwbs(__entry->rwbs, bio->bi_opf);
354 		memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
355 	),
356 
357 	TP_printk("%d,%d %s %llu + %u [%s]",
358 		  MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
359 		  (unsigned long long)__entry->sector,
360 		  __entry->nr_sector, __entry->comm)
361 );
362 
363 /**
364  * block_bio_backmerge - merging block operation to the end of an existing operation
365  * @bio: new block operation to merge
366  *
367  * Merging block request @bio to the end of an existing block request.
368  */
369 DEFINE_EVENT(block_bio, block_bio_backmerge,
370 	TP_PROTO(struct bio *bio),
371 	TP_ARGS(bio)
372 );
373 
374 /**
375  * block_bio_frontmerge - merging block operation to the beginning of an existing operation
376  * @bio: new block operation to merge
377  *
378  * Merging block IO operation @bio to the beginning of an existing block request.
379  */
380 DEFINE_EVENT(block_bio, block_bio_frontmerge,
381 	TP_PROTO(struct bio *bio),
382 	TP_ARGS(bio)
383 );
384 
385 /**
386  * block_bio_queue - putting new block IO operation in queue
387  * @bio: new block operation
388  *
389  * About to place the block IO operation @bio into queue @q.
390  */
391 DEFINE_EVENT(block_bio, block_bio_queue,
392 	TP_PROTO(struct bio *bio),
393 	TP_ARGS(bio)
394 );
395 
396 /**
397  * block_getrq - get a free request entry in queue for block IO operations
398  * @bio: pending block IO operation (can be %NULL)
399  *
400  * A request struct has been allocated to handle the block IO operation @bio.
401  */
402 DEFINE_EVENT(block_bio, block_getrq,
403 	TP_PROTO(struct bio *bio),
404 	TP_ARGS(bio)
405 );
406 
407 /**
408  * blk_zone_append_update_request_bio - update bio sector after zone append
409  * @rq: the completed request that sets the bio sector
410  *
411  * Update the bio's bi_sector after a zone append command has been completed.
412  */
413 DEFINE_EVENT(block_rq, blk_zone_append_update_request_bio,
414 	     TP_PROTO(struct request *rq),
415 	     TP_ARGS(rq)
416 );
417 
418 /**
419  * block_plug - keep operations requests in request queue
420  * @q: request queue to plug
421  *
422  * Plug the request queue @q.  Do not allow block operation requests
423  * to be sent to the device driver. Instead, accumulate requests in
424  * the queue to improve throughput performance of the block device.
425  */
426 TRACE_EVENT(block_plug,
427 
428 	TP_PROTO(struct request_queue *q),
429 
430 	TP_ARGS(q),
431 
432 	TP_STRUCT__entry(
433 		__array( char,		comm,	TASK_COMM_LEN	)
434 	),
435 
436 	TP_fast_assign(
437 		memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
438 	),
439 
440 	TP_printk("[%s]", __entry->comm)
441 );
442 
443 DECLARE_EVENT_CLASS(block_unplug,
444 
445 	TP_PROTO(struct request_queue *q, unsigned int depth, bool explicit),
446 
447 	TP_ARGS(q, depth, explicit),
448 
449 	TP_STRUCT__entry(
450 		__field( int,		nr_rq			)
451 		__array( char,		comm,	TASK_COMM_LEN	)
452 	),
453 
454 	TP_fast_assign(
455 		__entry->nr_rq = depth;
456 		memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
457 	),
458 
459 	TP_printk("[%s] %d", __entry->comm, __entry->nr_rq)
460 );
461 
462 /**
463  * block_unplug - release of operations requests in request queue
464  * @q: request queue to unplug
465  * @depth: number of requests just added to the queue
466  * @explicit: whether this was an explicit unplug, or one from schedule()
467  *
468  * Unplug request queue @q because device driver is scheduled to work
469  * on elements in the request queue.
470  */
471 DEFINE_EVENT(block_unplug, block_unplug,
472 
473 	TP_PROTO(struct request_queue *q, unsigned int depth, bool explicit),
474 
475 	TP_ARGS(q, depth, explicit)
476 );
477 
478 /**
479  * block_split - split a single bio struct into two bio structs
480  * @bio: block operation being split
481  * @new_sector: The starting sector for the new bio
482  *
483  * The bio request @bio needs to be split into two bio requests.  The newly
484  * created @bio request starts at @new_sector. This split may be required due to
485  * hardware limitations such as operation crossing device boundaries in a RAID
486  * system.
487  */
488 TRACE_EVENT(block_split,
489 
490 	TP_PROTO(struct bio *bio, unsigned int new_sector),
491 
492 	TP_ARGS(bio, new_sector),
493 
494 	TP_STRUCT__entry(
495 		__field( dev_t,		dev				)
496 		__field( sector_t,	sector				)
497 		__field( sector_t,	new_sector			)
498 		__array( char,		rwbs,		RWBS_LEN	)
499 		__array( char,		comm,		TASK_COMM_LEN	)
500 	),
501 
502 	TP_fast_assign(
503 		__entry->dev		= bio_dev(bio);
504 		__entry->sector		= bio->bi_iter.bi_sector;
505 		__entry->new_sector	= new_sector;
506 		blk_fill_rwbs(__entry->rwbs, bio->bi_opf);
507 		memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
508 	),
509 
510 	TP_printk("%d,%d %s %llu / %llu [%s]",
511 		  MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
512 		  (unsigned long long)__entry->sector,
513 		  (unsigned long long)__entry->new_sector,
514 		  __entry->comm)
515 );
516 
517 /**
518  * block_bio_remap - map request for a logical device to the raw device
519  * @bio: revised operation
520  * @dev: original device for the operation
521  * @from: original sector for the operation
522  *
523  * An operation for a logical device has been mapped to the
524  * raw block device.
525  */
526 TRACE_EVENT(block_bio_remap,
527 
528 	TP_PROTO(struct bio *bio, dev_t dev, sector_t from),
529 
530 	TP_ARGS(bio, dev, from),
531 
532 	TP_STRUCT__entry(
533 		__field( dev_t,		dev		)
534 		__field( sector_t,	sector		)
535 		__field( unsigned int,	nr_sector	)
536 		__field( dev_t,		old_dev		)
537 		__field( sector_t,	old_sector	)
538 		__array( char,		rwbs,	RWBS_LEN)
539 	),
540 
541 	TP_fast_assign(
542 		__entry->dev		= bio_dev(bio);
543 		__entry->sector		= bio->bi_iter.bi_sector;
544 		__entry->nr_sector	= bio_sectors(bio);
545 		__entry->old_dev	= dev;
546 		__entry->old_sector	= from;
547 		blk_fill_rwbs(__entry->rwbs, bio->bi_opf);
548 	),
549 
550 	TP_printk("%d,%d %s %llu + %u <- (%d,%d) %llu",
551 		  MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
552 		  (unsigned long long)__entry->sector,
553 		  __entry->nr_sector,
554 		  MAJOR(__entry->old_dev), MINOR(__entry->old_dev),
555 		  (unsigned long long)__entry->old_sector)
556 );
557 
558 /**
559  * block_rq_remap - map request for a block operation request
560  * @rq: block IO operation request
561  * @dev: device for the operation
562  * @from: original sector for the operation
563  *
564  * The block operation request @rq in @q has been remapped.  The block
565  * operation request @rq holds the current information and @from hold
566  * the original sector.
567  */
568 TRACE_EVENT(block_rq_remap,
569 
570 	TP_PROTO(struct request *rq, dev_t dev, sector_t from),
571 
572 	TP_ARGS(rq, dev, from),
573 
574 	TP_STRUCT__entry(
575 		__field( dev_t,		dev		)
576 		__field( sector_t,	sector		)
577 		__field( unsigned int,	nr_sector	)
578 		__field( dev_t,		old_dev		)
579 		__field( sector_t,	old_sector	)
580 		__field( unsigned int,	nr_bios		)
581 		__array( char,		rwbs,	RWBS_LEN)
582 	),
583 
584 	TP_fast_assign(
585 		__entry->dev		= disk_devt(rq->q->disk);
586 		__entry->sector		= blk_rq_pos(rq);
587 		__entry->nr_sector	= blk_rq_sectors(rq);
588 		__entry->old_dev	= dev;
589 		__entry->old_sector	= from;
590 		__entry->nr_bios	= blk_rq_count_bios(rq);
591 		blk_fill_rwbs(__entry->rwbs, rq->cmd_flags);
592 	),
593 
594 	TP_printk("%d,%d %s %llu + %u <- (%d,%d) %llu %u",
595 		  MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
596 		  (unsigned long long)__entry->sector,
597 		  __entry->nr_sector,
598 		  MAJOR(__entry->old_dev), MINOR(__entry->old_dev),
599 		  (unsigned long long)__entry->old_sector, __entry->nr_bios)
600 );
601 
602 /**
603  * blkdev_zone_mgmt - Execute a zone management operation on a range of zones
604  * @bio: The block IO operation sent down to the device
605  * @nr_sectors: The number of sectors affected by this operation
606  *
607  * Execute a zone management operation on a specified range of zones. This
608  * range is encoded in %nr_sectors, which has to be a multiple of the zone
609  * size.
610  */
611 TRACE_EVENT(blkdev_zone_mgmt,
612 
613 	TP_PROTO(struct bio *bio, sector_t nr_sectors),
614 
615 	TP_ARGS(bio, nr_sectors),
616 
617 	TP_STRUCT__entry(
618 	    __field(  dev_t,	dev		)
619 	    __field(  sector_t,	sector		)
620 	    __field(  sector_t, nr_sectors	)
621 	    __array(  char,	rwbs,	RWBS_LEN)
622 	),
623 
624 	TP_fast_assign(
625 	    __entry->dev	= bio_dev(bio);
626 	    __entry->sector	= bio->bi_iter.bi_sector;
627 	    __entry->nr_sectors	= bio_sectors(bio);
628 	    blk_fill_rwbs(__entry->rwbs, bio->bi_opf);
629         ),
630 
631 	TP_printk("%d,%d %s %llu + %llu",
632 		  MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
633 		  (unsigned long long)__entry->sector,
634 		  __entry->nr_sectors)
635 );
636 
637 DECLARE_EVENT_CLASS(block_zwplug,
638 
639 	TP_PROTO(struct request_queue *q, unsigned int zno, sector_t sector,
640 		 unsigned int nr_sectors),
641 
642 	TP_ARGS(q, zno, sector, nr_sectors),
643 
644 	TP_STRUCT__entry(
645 		__field( dev_t,		dev		)
646 		__field( unsigned int,	zno		)
647 		__field( sector_t,	sector		)
648 		__field( unsigned int,	nr_sectors	)
649 	),
650 
651 	TP_fast_assign(
652 		__entry->dev		= disk_devt(q->disk);
653 		__entry->zno		= zno;
654 		__entry->sector		= sector;
655 		__entry->nr_sectors	= nr_sectors;
656 	),
657 
658 	TP_printk("%d,%d zone %u, BIO %llu + %u",
659 		  MAJOR(__entry->dev), MINOR(__entry->dev), __entry->zno,
660 		  (unsigned long long)__entry->sector,
661 		  __entry->nr_sectors)
662 );
663 
664 DEFINE_EVENT(block_zwplug, disk_zone_wplug_add_bio,
665 
666 	TP_PROTO(struct request_queue *q, unsigned int zno, sector_t sector,
667 		 unsigned int nr_sectors),
668 
669 	TP_ARGS(q, zno, sector, nr_sectors)
670 );
671 
672 DEFINE_EVENT(block_zwplug, blk_zone_wplug_bio,
673 
674 	TP_PROTO(struct request_queue *q, unsigned int zno, sector_t sector,
675 		 unsigned int nr_sectors),
676 
677 	TP_ARGS(q, zno, sector, nr_sectors)
678 );
679 
680 #endif /* _TRACE_BLOCK_H */
681 
682 /* This part must be outside protection */
683 #include <trace/define_trace.h>
684 
685