xref: /linux/fs/nfs/nfstrace.h (revision b24413180f5600bcb3bb70fbed5cf186b60864bd)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Copyright (c) 2013 Trond Myklebust <Trond.Myklebust@netapp.com>
4  */
5 #undef TRACE_SYSTEM
6 #define TRACE_SYSTEM nfs
7 
8 #if !defined(_TRACE_NFS_H) || defined(TRACE_HEADER_MULTI_READ)
9 #define _TRACE_NFS_H
10 
11 #include <linux/tracepoint.h>
12 
13 #define nfs_show_file_type(ftype) \
14 	__print_symbolic(ftype, \
15 			{ DT_UNKNOWN, "UNKNOWN" }, \
16 			{ DT_FIFO, "FIFO" }, \
17 			{ DT_CHR, "CHR" }, \
18 			{ DT_DIR, "DIR" }, \
19 			{ DT_BLK, "BLK" }, \
20 			{ DT_REG, "REG" }, \
21 			{ DT_LNK, "LNK" }, \
22 			{ DT_SOCK, "SOCK" }, \
23 			{ DT_WHT, "WHT" })
24 
25 #define nfs_show_cache_validity(v) \
26 	__print_flags(v, "|", \
27 			{ NFS_INO_INVALID_ATTR, "INVALID_ATTR" }, \
28 			{ NFS_INO_INVALID_DATA, "INVALID_DATA" }, \
29 			{ NFS_INO_INVALID_ATIME, "INVALID_ATIME" }, \
30 			{ NFS_INO_INVALID_ACCESS, "INVALID_ACCESS" }, \
31 			{ NFS_INO_INVALID_ACL, "INVALID_ACL" }, \
32 			{ NFS_INO_REVAL_PAGECACHE, "REVAL_PAGECACHE" }, \
33 			{ NFS_INO_REVAL_FORCED, "REVAL_FORCED" }, \
34 			{ NFS_INO_INVALID_LABEL, "INVALID_LABEL" })
35 
36 #define nfs_show_nfsi_flags(v) \
37 	__print_flags(v, "|", \
38 			{ 1 << NFS_INO_ADVISE_RDPLUS, "ADVISE_RDPLUS" }, \
39 			{ 1 << NFS_INO_STALE, "STALE" }, \
40 			{ 1 << NFS_INO_INVALIDATING, "INVALIDATING" }, \
41 			{ 1 << NFS_INO_FSCACHE, "FSCACHE" }, \
42 			{ 1 << NFS_INO_LAYOUTCOMMIT, "NEED_LAYOUTCOMMIT" }, \
43 			{ 1 << NFS_INO_LAYOUTCOMMITTING, "LAYOUTCOMMIT" })
44 
45 DECLARE_EVENT_CLASS(nfs_inode_event,
46 		TP_PROTO(
47 			const struct inode *inode
48 		),
49 
50 		TP_ARGS(inode),
51 
52 		TP_STRUCT__entry(
53 			__field(dev_t, dev)
54 			__field(u32, fhandle)
55 			__field(u64, fileid)
56 			__field(u64, version)
57 		),
58 
59 		TP_fast_assign(
60 			const struct nfs_inode *nfsi = NFS_I(inode);
61 			__entry->dev = inode->i_sb->s_dev;
62 			__entry->fileid = nfsi->fileid;
63 			__entry->fhandle = nfs_fhandle_hash(&nfsi->fh);
64 			__entry->version = inode->i_version;
65 		),
66 
67 		TP_printk(
68 			"fileid=%02x:%02x:%llu fhandle=0x%08x version=%llu ",
69 			MAJOR(__entry->dev), MINOR(__entry->dev),
70 			(unsigned long long)__entry->fileid,
71 			__entry->fhandle,
72 			(unsigned long long)__entry->version
73 		)
74 );
75 
76 DECLARE_EVENT_CLASS(nfs_inode_event_done,
77 		TP_PROTO(
78 			const struct inode *inode,
79 			int error
80 		),
81 
82 		TP_ARGS(inode, error),
83 
84 		TP_STRUCT__entry(
85 			__field(int, error)
86 			__field(dev_t, dev)
87 			__field(u32, fhandle)
88 			__field(unsigned char, type)
89 			__field(u64, fileid)
90 			__field(u64, version)
91 			__field(loff_t, size)
92 			__field(unsigned long, nfsi_flags)
93 			__field(unsigned long, cache_validity)
94 		),
95 
96 		TP_fast_assign(
97 			const struct nfs_inode *nfsi = NFS_I(inode);
98 			__entry->error = error;
99 			__entry->dev = inode->i_sb->s_dev;
100 			__entry->fileid = nfsi->fileid;
101 			__entry->fhandle = nfs_fhandle_hash(&nfsi->fh);
102 			__entry->type = nfs_umode_to_dtype(inode->i_mode);
103 			__entry->version = inode->i_version;
104 			__entry->size = i_size_read(inode);
105 			__entry->nfsi_flags = nfsi->flags;
106 			__entry->cache_validity = nfsi->cache_validity;
107 		),
108 
109 		TP_printk(
110 			"error=%d fileid=%02x:%02x:%llu fhandle=0x%08x "
111 			"type=%u (%s) version=%llu size=%lld "
112 			"cache_validity=%lu (%s) nfs_flags=%ld (%s)",
113 			__entry->error,
114 			MAJOR(__entry->dev), MINOR(__entry->dev),
115 			(unsigned long long)__entry->fileid,
116 			__entry->fhandle,
117 			__entry->type,
118 			nfs_show_file_type(__entry->type),
119 			(unsigned long long)__entry->version,
120 			(long long)__entry->size,
121 			__entry->cache_validity,
122 			nfs_show_cache_validity(__entry->cache_validity),
123 			__entry->nfsi_flags,
124 			nfs_show_nfsi_flags(__entry->nfsi_flags)
125 		)
126 );
127 
128 #define DEFINE_NFS_INODE_EVENT(name) \
129 	DEFINE_EVENT(nfs_inode_event, name, \
130 			TP_PROTO( \
131 				const struct inode *inode \
132 			), \
133 			TP_ARGS(inode))
134 #define DEFINE_NFS_INODE_EVENT_DONE(name) \
135 	DEFINE_EVENT(nfs_inode_event_done, name, \
136 			TP_PROTO( \
137 				const struct inode *inode, \
138 				int error \
139 			), \
140 			TP_ARGS(inode, error))
141 DEFINE_NFS_INODE_EVENT(nfs_refresh_inode_enter);
142 DEFINE_NFS_INODE_EVENT_DONE(nfs_refresh_inode_exit);
143 DEFINE_NFS_INODE_EVENT(nfs_revalidate_inode_enter);
144 DEFINE_NFS_INODE_EVENT_DONE(nfs_revalidate_inode_exit);
145 DEFINE_NFS_INODE_EVENT(nfs_invalidate_mapping_enter);
146 DEFINE_NFS_INODE_EVENT_DONE(nfs_invalidate_mapping_exit);
147 DEFINE_NFS_INODE_EVENT(nfs_getattr_enter);
148 DEFINE_NFS_INODE_EVENT_DONE(nfs_getattr_exit);
149 DEFINE_NFS_INODE_EVENT(nfs_setattr_enter);
150 DEFINE_NFS_INODE_EVENT_DONE(nfs_setattr_exit);
151 DEFINE_NFS_INODE_EVENT(nfs_writeback_page_enter);
152 DEFINE_NFS_INODE_EVENT_DONE(nfs_writeback_page_exit);
153 DEFINE_NFS_INODE_EVENT(nfs_writeback_inode_enter);
154 DEFINE_NFS_INODE_EVENT_DONE(nfs_writeback_inode_exit);
155 DEFINE_NFS_INODE_EVENT(nfs_fsync_enter);
156 DEFINE_NFS_INODE_EVENT_DONE(nfs_fsync_exit);
157 DEFINE_NFS_INODE_EVENT(nfs_access_enter);
158 DEFINE_NFS_INODE_EVENT_DONE(nfs_access_exit);
159 
160 #define show_lookup_flags(flags) \
161 	__print_flags((unsigned long)flags, "|", \
162 			{ LOOKUP_AUTOMOUNT, "AUTOMOUNT" }, \
163 			{ LOOKUP_DIRECTORY, "DIRECTORY" }, \
164 			{ LOOKUP_OPEN, "OPEN" }, \
165 			{ LOOKUP_CREATE, "CREATE" }, \
166 			{ LOOKUP_EXCL, "EXCL" })
167 
168 DECLARE_EVENT_CLASS(nfs_lookup_event,
169 		TP_PROTO(
170 			const struct inode *dir,
171 			const struct dentry *dentry,
172 			unsigned int flags
173 		),
174 
175 		TP_ARGS(dir, dentry, flags),
176 
177 		TP_STRUCT__entry(
178 			__field(unsigned int, flags)
179 			__field(dev_t, dev)
180 			__field(u64, dir)
181 			__string(name, dentry->d_name.name)
182 		),
183 
184 		TP_fast_assign(
185 			__entry->dev = dir->i_sb->s_dev;
186 			__entry->dir = NFS_FILEID(dir);
187 			__entry->flags = flags;
188 			__assign_str(name, dentry->d_name.name);
189 		),
190 
191 		TP_printk(
192 			"flags=%u (%s) name=%02x:%02x:%llu/%s",
193 			__entry->flags,
194 			show_lookup_flags(__entry->flags),
195 			MAJOR(__entry->dev), MINOR(__entry->dev),
196 			(unsigned long long)__entry->dir,
197 			__get_str(name)
198 		)
199 );
200 
201 #define DEFINE_NFS_LOOKUP_EVENT(name) \
202 	DEFINE_EVENT(nfs_lookup_event, name, \
203 			TP_PROTO( \
204 				const struct inode *dir, \
205 				const struct dentry *dentry, \
206 				unsigned int flags \
207 			), \
208 			TP_ARGS(dir, dentry, flags))
209 
210 DECLARE_EVENT_CLASS(nfs_lookup_event_done,
211 		TP_PROTO(
212 			const struct inode *dir,
213 			const struct dentry *dentry,
214 			unsigned int flags,
215 			int error
216 		),
217 
218 		TP_ARGS(dir, dentry, flags, error),
219 
220 		TP_STRUCT__entry(
221 			__field(int, error)
222 			__field(unsigned int, flags)
223 			__field(dev_t, dev)
224 			__field(u64, dir)
225 			__string(name, dentry->d_name.name)
226 		),
227 
228 		TP_fast_assign(
229 			__entry->dev = dir->i_sb->s_dev;
230 			__entry->dir = NFS_FILEID(dir);
231 			__entry->error = error;
232 			__entry->flags = flags;
233 			__assign_str(name, dentry->d_name.name);
234 		),
235 
236 		TP_printk(
237 			"error=%d flags=%u (%s) name=%02x:%02x:%llu/%s",
238 			__entry->error,
239 			__entry->flags,
240 			show_lookup_flags(__entry->flags),
241 			MAJOR(__entry->dev), MINOR(__entry->dev),
242 			(unsigned long long)__entry->dir,
243 			__get_str(name)
244 		)
245 );
246 
247 #define DEFINE_NFS_LOOKUP_EVENT_DONE(name) \
248 	DEFINE_EVENT(nfs_lookup_event_done, name, \
249 			TP_PROTO( \
250 				const struct inode *dir, \
251 				const struct dentry *dentry, \
252 				unsigned int flags, \
253 				int error \
254 			), \
255 			TP_ARGS(dir, dentry, flags, error))
256 
257 DEFINE_NFS_LOOKUP_EVENT(nfs_lookup_enter);
258 DEFINE_NFS_LOOKUP_EVENT_DONE(nfs_lookup_exit);
259 DEFINE_NFS_LOOKUP_EVENT(nfs_lookup_revalidate_enter);
260 DEFINE_NFS_LOOKUP_EVENT_DONE(nfs_lookup_revalidate_exit);
261 
262 #define show_open_flags(flags) \
263 	__print_flags((unsigned long)flags, "|", \
264 		{ O_CREAT, "O_CREAT" }, \
265 		{ O_EXCL, "O_EXCL" }, \
266 		{ O_TRUNC, "O_TRUNC" }, \
267 		{ O_APPEND, "O_APPEND" }, \
268 		{ O_DSYNC, "O_DSYNC" }, \
269 		{ O_DIRECT, "O_DIRECT" }, \
270 		{ O_DIRECTORY, "O_DIRECTORY" })
271 
272 #define show_fmode_flags(mode) \
273 	__print_flags(mode, "|", \
274 		{ ((__force unsigned long)FMODE_READ), "READ" }, \
275 		{ ((__force unsigned long)FMODE_WRITE), "WRITE" }, \
276 		{ ((__force unsigned long)FMODE_EXEC), "EXEC" })
277 
278 TRACE_EVENT(nfs_atomic_open_enter,
279 		TP_PROTO(
280 			const struct inode *dir,
281 			const struct nfs_open_context *ctx,
282 			unsigned int flags
283 		),
284 
285 		TP_ARGS(dir, ctx, flags),
286 
287 		TP_STRUCT__entry(
288 			__field(unsigned int, flags)
289 			__field(unsigned int, fmode)
290 			__field(dev_t, dev)
291 			__field(u64, dir)
292 			__string(name, ctx->dentry->d_name.name)
293 		),
294 
295 		TP_fast_assign(
296 			__entry->dev = dir->i_sb->s_dev;
297 			__entry->dir = NFS_FILEID(dir);
298 			__entry->flags = flags;
299 			__entry->fmode = (__force unsigned int)ctx->mode;
300 			__assign_str(name, ctx->dentry->d_name.name);
301 		),
302 
303 		TP_printk(
304 			"flags=%u (%s) fmode=%s name=%02x:%02x:%llu/%s",
305 			__entry->flags,
306 			show_open_flags(__entry->flags),
307 			show_fmode_flags(__entry->fmode),
308 			MAJOR(__entry->dev), MINOR(__entry->dev),
309 			(unsigned long long)__entry->dir,
310 			__get_str(name)
311 		)
312 );
313 
314 TRACE_EVENT(nfs_atomic_open_exit,
315 		TP_PROTO(
316 			const struct inode *dir,
317 			const struct nfs_open_context *ctx,
318 			unsigned int flags,
319 			int error
320 		),
321 
322 		TP_ARGS(dir, ctx, flags, error),
323 
324 		TP_STRUCT__entry(
325 			__field(int, error)
326 			__field(unsigned int, flags)
327 			__field(unsigned int, fmode)
328 			__field(dev_t, dev)
329 			__field(u64, dir)
330 			__string(name, ctx->dentry->d_name.name)
331 		),
332 
333 		TP_fast_assign(
334 			__entry->error = error;
335 			__entry->dev = dir->i_sb->s_dev;
336 			__entry->dir = NFS_FILEID(dir);
337 			__entry->flags = flags;
338 			__entry->fmode = (__force unsigned int)ctx->mode;
339 			__assign_str(name, ctx->dentry->d_name.name);
340 		),
341 
342 		TP_printk(
343 			"error=%d flags=%u (%s) fmode=%s "
344 			"name=%02x:%02x:%llu/%s",
345 			__entry->error,
346 			__entry->flags,
347 			show_open_flags(__entry->flags),
348 			show_fmode_flags(__entry->fmode),
349 			MAJOR(__entry->dev), MINOR(__entry->dev),
350 			(unsigned long long)__entry->dir,
351 			__get_str(name)
352 		)
353 );
354 
355 TRACE_EVENT(nfs_create_enter,
356 		TP_PROTO(
357 			const struct inode *dir,
358 			const struct dentry *dentry,
359 			unsigned int flags
360 		),
361 
362 		TP_ARGS(dir, dentry, flags),
363 
364 		TP_STRUCT__entry(
365 			__field(unsigned int, flags)
366 			__field(dev_t, dev)
367 			__field(u64, dir)
368 			__string(name, dentry->d_name.name)
369 		),
370 
371 		TP_fast_assign(
372 			__entry->dev = dir->i_sb->s_dev;
373 			__entry->dir = NFS_FILEID(dir);
374 			__entry->flags = flags;
375 			__assign_str(name, dentry->d_name.name);
376 		),
377 
378 		TP_printk(
379 			"flags=%u (%s) name=%02x:%02x:%llu/%s",
380 			__entry->flags,
381 			show_open_flags(__entry->flags),
382 			MAJOR(__entry->dev), MINOR(__entry->dev),
383 			(unsigned long long)__entry->dir,
384 			__get_str(name)
385 		)
386 );
387 
388 TRACE_EVENT(nfs_create_exit,
389 		TP_PROTO(
390 			const struct inode *dir,
391 			const struct dentry *dentry,
392 			unsigned int flags,
393 			int error
394 		),
395 
396 		TP_ARGS(dir, dentry, flags, error),
397 
398 		TP_STRUCT__entry(
399 			__field(int, error)
400 			__field(unsigned int, flags)
401 			__field(dev_t, dev)
402 			__field(u64, dir)
403 			__string(name, dentry->d_name.name)
404 		),
405 
406 		TP_fast_assign(
407 			__entry->error = error;
408 			__entry->dev = dir->i_sb->s_dev;
409 			__entry->dir = NFS_FILEID(dir);
410 			__entry->flags = flags;
411 			__assign_str(name, dentry->d_name.name);
412 		),
413 
414 		TP_printk(
415 			"error=%d flags=%u (%s) name=%02x:%02x:%llu/%s",
416 			__entry->error,
417 			__entry->flags,
418 			show_open_flags(__entry->flags),
419 			MAJOR(__entry->dev), MINOR(__entry->dev),
420 			(unsigned long long)__entry->dir,
421 			__get_str(name)
422 		)
423 );
424 
425 DECLARE_EVENT_CLASS(nfs_directory_event,
426 		TP_PROTO(
427 			const struct inode *dir,
428 			const struct dentry *dentry
429 		),
430 
431 		TP_ARGS(dir, dentry),
432 
433 		TP_STRUCT__entry(
434 			__field(dev_t, dev)
435 			__field(u64, dir)
436 			__string(name, dentry->d_name.name)
437 		),
438 
439 		TP_fast_assign(
440 			__entry->dev = dir->i_sb->s_dev;
441 			__entry->dir = NFS_FILEID(dir);
442 			__assign_str(name, dentry->d_name.name);
443 		),
444 
445 		TP_printk(
446 			"name=%02x:%02x:%llu/%s",
447 			MAJOR(__entry->dev), MINOR(__entry->dev),
448 			(unsigned long long)__entry->dir,
449 			__get_str(name)
450 		)
451 );
452 
453 #define DEFINE_NFS_DIRECTORY_EVENT(name) \
454 	DEFINE_EVENT(nfs_directory_event, name, \
455 			TP_PROTO( \
456 				const struct inode *dir, \
457 				const struct dentry *dentry \
458 			), \
459 			TP_ARGS(dir, dentry))
460 
461 DECLARE_EVENT_CLASS(nfs_directory_event_done,
462 		TP_PROTO(
463 			const struct inode *dir,
464 			const struct dentry *dentry,
465 			int error
466 		),
467 
468 		TP_ARGS(dir, dentry, error),
469 
470 		TP_STRUCT__entry(
471 			__field(int, error)
472 			__field(dev_t, dev)
473 			__field(u64, dir)
474 			__string(name, dentry->d_name.name)
475 		),
476 
477 		TP_fast_assign(
478 			__entry->dev = dir->i_sb->s_dev;
479 			__entry->dir = NFS_FILEID(dir);
480 			__entry->error = error;
481 			__assign_str(name, dentry->d_name.name);
482 		),
483 
484 		TP_printk(
485 			"error=%d name=%02x:%02x:%llu/%s",
486 			__entry->error,
487 			MAJOR(__entry->dev), MINOR(__entry->dev),
488 			(unsigned long long)__entry->dir,
489 			__get_str(name)
490 		)
491 );
492 
493 #define DEFINE_NFS_DIRECTORY_EVENT_DONE(name) \
494 	DEFINE_EVENT(nfs_directory_event_done, name, \
495 			TP_PROTO( \
496 				const struct inode *dir, \
497 				const struct dentry *dentry, \
498 				int error \
499 			), \
500 			TP_ARGS(dir, dentry, error))
501 
502 DEFINE_NFS_DIRECTORY_EVENT(nfs_mknod_enter);
503 DEFINE_NFS_DIRECTORY_EVENT_DONE(nfs_mknod_exit);
504 DEFINE_NFS_DIRECTORY_EVENT(nfs_mkdir_enter);
505 DEFINE_NFS_DIRECTORY_EVENT_DONE(nfs_mkdir_exit);
506 DEFINE_NFS_DIRECTORY_EVENT(nfs_rmdir_enter);
507 DEFINE_NFS_DIRECTORY_EVENT_DONE(nfs_rmdir_exit);
508 DEFINE_NFS_DIRECTORY_EVENT(nfs_remove_enter);
509 DEFINE_NFS_DIRECTORY_EVENT_DONE(nfs_remove_exit);
510 DEFINE_NFS_DIRECTORY_EVENT(nfs_unlink_enter);
511 DEFINE_NFS_DIRECTORY_EVENT_DONE(nfs_unlink_exit);
512 DEFINE_NFS_DIRECTORY_EVENT(nfs_symlink_enter);
513 DEFINE_NFS_DIRECTORY_EVENT_DONE(nfs_symlink_exit);
514 
515 TRACE_EVENT(nfs_link_enter,
516 		TP_PROTO(
517 			const struct inode *inode,
518 			const struct inode *dir,
519 			const struct dentry *dentry
520 		),
521 
522 		TP_ARGS(inode, dir, dentry),
523 
524 		TP_STRUCT__entry(
525 			__field(dev_t, dev)
526 			__field(u64, fileid)
527 			__field(u64, dir)
528 			__string(name, dentry->d_name.name)
529 		),
530 
531 		TP_fast_assign(
532 			__entry->dev = inode->i_sb->s_dev;
533 			__entry->fileid = NFS_FILEID(inode);
534 			__entry->dir = NFS_FILEID(dir);
535 			__assign_str(name, dentry->d_name.name);
536 		),
537 
538 		TP_printk(
539 			"fileid=%02x:%02x:%llu name=%02x:%02x:%llu/%s",
540 			MAJOR(__entry->dev), MINOR(__entry->dev),
541 			__entry->fileid,
542 			MAJOR(__entry->dev), MINOR(__entry->dev),
543 			(unsigned long long)__entry->dir,
544 			__get_str(name)
545 		)
546 );
547 
548 TRACE_EVENT(nfs_link_exit,
549 		TP_PROTO(
550 			const struct inode *inode,
551 			const struct inode *dir,
552 			const struct dentry *dentry,
553 			int error
554 		),
555 
556 		TP_ARGS(inode, dir, dentry, error),
557 
558 		TP_STRUCT__entry(
559 			__field(int, error)
560 			__field(dev_t, dev)
561 			__field(u64, fileid)
562 			__field(u64, dir)
563 			__string(name, dentry->d_name.name)
564 		),
565 
566 		TP_fast_assign(
567 			__entry->dev = inode->i_sb->s_dev;
568 			__entry->fileid = NFS_FILEID(inode);
569 			__entry->dir = NFS_FILEID(dir);
570 			__entry->error = error;
571 			__assign_str(name, dentry->d_name.name);
572 		),
573 
574 		TP_printk(
575 			"error=%d fileid=%02x:%02x:%llu name=%02x:%02x:%llu/%s",
576 			__entry->error,
577 			MAJOR(__entry->dev), MINOR(__entry->dev),
578 			__entry->fileid,
579 			MAJOR(__entry->dev), MINOR(__entry->dev),
580 			(unsigned long long)__entry->dir,
581 			__get_str(name)
582 		)
583 );
584 
585 DECLARE_EVENT_CLASS(nfs_rename_event,
586 		TP_PROTO(
587 			const struct inode *old_dir,
588 			const struct dentry *old_dentry,
589 			const struct inode *new_dir,
590 			const struct dentry *new_dentry
591 		),
592 
593 		TP_ARGS(old_dir, old_dentry, new_dir, new_dentry),
594 
595 		TP_STRUCT__entry(
596 			__field(dev_t, dev)
597 			__field(u64, old_dir)
598 			__field(u64, new_dir)
599 			__string(old_name, old_dentry->d_name.name)
600 			__string(new_name, new_dentry->d_name.name)
601 		),
602 
603 		TP_fast_assign(
604 			__entry->dev = old_dir->i_sb->s_dev;
605 			__entry->old_dir = NFS_FILEID(old_dir);
606 			__entry->new_dir = NFS_FILEID(new_dir);
607 			__assign_str(old_name, old_dentry->d_name.name);
608 			__assign_str(new_name, new_dentry->d_name.name);
609 		),
610 
611 		TP_printk(
612 			"old_name=%02x:%02x:%llu/%s new_name=%02x:%02x:%llu/%s",
613 			MAJOR(__entry->dev), MINOR(__entry->dev),
614 			(unsigned long long)__entry->old_dir,
615 			__get_str(old_name),
616 			MAJOR(__entry->dev), MINOR(__entry->dev),
617 			(unsigned long long)__entry->new_dir,
618 			__get_str(new_name)
619 		)
620 );
621 #define DEFINE_NFS_RENAME_EVENT(name) \
622 	DEFINE_EVENT(nfs_rename_event, name, \
623 			TP_PROTO( \
624 				const struct inode *old_dir, \
625 				const struct dentry *old_dentry, \
626 				const struct inode *new_dir, \
627 				const struct dentry *new_dentry \
628 			), \
629 			TP_ARGS(old_dir, old_dentry, new_dir, new_dentry))
630 
631 DECLARE_EVENT_CLASS(nfs_rename_event_done,
632 		TP_PROTO(
633 			const struct inode *old_dir,
634 			const struct dentry *old_dentry,
635 			const struct inode *new_dir,
636 			const struct dentry *new_dentry,
637 			int error
638 		),
639 
640 		TP_ARGS(old_dir, old_dentry, new_dir, new_dentry, error),
641 
642 		TP_STRUCT__entry(
643 			__field(dev_t, dev)
644 			__field(int, error)
645 			__field(u64, old_dir)
646 			__string(old_name, old_dentry->d_name.name)
647 			__field(u64, new_dir)
648 			__string(new_name, new_dentry->d_name.name)
649 		),
650 
651 		TP_fast_assign(
652 			__entry->dev = old_dir->i_sb->s_dev;
653 			__entry->old_dir = NFS_FILEID(old_dir);
654 			__entry->new_dir = NFS_FILEID(new_dir);
655 			__entry->error = error;
656 			__assign_str(old_name, old_dentry->d_name.name);
657 			__assign_str(new_name, new_dentry->d_name.name);
658 		),
659 
660 		TP_printk(
661 			"error=%d old_name=%02x:%02x:%llu/%s "
662 			"new_name=%02x:%02x:%llu/%s",
663 			__entry->error,
664 			MAJOR(__entry->dev), MINOR(__entry->dev),
665 			(unsigned long long)__entry->old_dir,
666 			__get_str(old_name),
667 			MAJOR(__entry->dev), MINOR(__entry->dev),
668 			(unsigned long long)__entry->new_dir,
669 			__get_str(new_name)
670 		)
671 );
672 #define DEFINE_NFS_RENAME_EVENT_DONE(name) \
673 	DEFINE_EVENT(nfs_rename_event_done, name, \
674 			TP_PROTO( \
675 				const struct inode *old_dir, \
676 				const struct dentry *old_dentry, \
677 				const struct inode *new_dir, \
678 				const struct dentry *new_dentry, \
679 				int error \
680 			), \
681 			TP_ARGS(old_dir, old_dentry, new_dir, \
682 				new_dentry, error))
683 
684 DEFINE_NFS_RENAME_EVENT(nfs_rename_enter);
685 DEFINE_NFS_RENAME_EVENT_DONE(nfs_rename_exit);
686 
687 DEFINE_NFS_RENAME_EVENT_DONE(nfs_sillyrename_rename);
688 
689 TRACE_EVENT(nfs_sillyrename_unlink,
690 		TP_PROTO(
691 			const struct nfs_unlinkdata *data,
692 			int error
693 		),
694 
695 		TP_ARGS(data, error),
696 
697 		TP_STRUCT__entry(
698 			__field(dev_t, dev)
699 			__field(int, error)
700 			__field(u64, dir)
701 			__dynamic_array(char, name, data->args.name.len + 1)
702 		),
703 
704 		TP_fast_assign(
705 			struct inode *dir = d_inode(data->dentry->d_parent);
706 			size_t len = data->args.name.len;
707 			__entry->dev = dir->i_sb->s_dev;
708 			__entry->dir = NFS_FILEID(dir);
709 			__entry->error = error;
710 			memcpy(__get_str(name),
711 				data->args.name.name, len);
712 			__get_str(name)[len] = 0;
713 		),
714 
715 		TP_printk(
716 			"error=%d name=%02x:%02x:%llu/%s",
717 			__entry->error,
718 			MAJOR(__entry->dev), MINOR(__entry->dev),
719 			(unsigned long long)__entry->dir,
720 			__get_str(name)
721 		)
722 );
723 
724 TRACE_EVENT(nfs_initiate_read,
725 		TP_PROTO(
726 			const struct inode *inode,
727 			loff_t offset, unsigned long count
728 		),
729 
730 		TP_ARGS(inode, offset, count),
731 
732 		TP_STRUCT__entry(
733 			__field(loff_t, offset)
734 			__field(unsigned long, count)
735 			__field(dev_t, dev)
736 			__field(u32, fhandle)
737 			__field(u64, fileid)
738 		),
739 
740 		TP_fast_assign(
741 			const struct nfs_inode *nfsi = NFS_I(inode);
742 
743 			__entry->offset = offset;
744 			__entry->count = count;
745 			__entry->dev = inode->i_sb->s_dev;
746 			__entry->fileid = nfsi->fileid;
747 			__entry->fhandle = nfs_fhandle_hash(&nfsi->fh);
748 		),
749 
750 		TP_printk(
751 			"fileid=%02x:%02x:%llu fhandle=0x%08x "
752 			"offset=%lld count=%lu",
753 			MAJOR(__entry->dev), MINOR(__entry->dev),
754 			(unsigned long long)__entry->fileid,
755 			__entry->fhandle,
756 			__entry->offset, __entry->count
757 		)
758 );
759 
760 TRACE_EVENT(nfs_readpage_done,
761 		TP_PROTO(
762 			const struct inode *inode,
763 			int status, loff_t offset, bool eof
764 		),
765 
766 		TP_ARGS(inode, status, offset, eof),
767 
768 		TP_STRUCT__entry(
769 			__field(int, status)
770 			__field(loff_t, offset)
771 			__field(bool, eof)
772 			__field(dev_t, dev)
773 			__field(u32, fhandle)
774 			__field(u64, fileid)
775 		),
776 
777 		TP_fast_assign(
778 			const struct nfs_inode *nfsi = NFS_I(inode);
779 
780 			__entry->status = status;
781 			__entry->offset = offset;
782 			__entry->eof = eof;
783 			__entry->dev = inode->i_sb->s_dev;
784 			__entry->fileid = nfsi->fileid;
785 			__entry->fhandle = nfs_fhandle_hash(&nfsi->fh);
786 		),
787 
788 		TP_printk(
789 			"fileid=%02x:%02x:%llu fhandle=0x%08x "
790 			"offset=%lld status=%d%s",
791 			MAJOR(__entry->dev), MINOR(__entry->dev),
792 			(unsigned long long)__entry->fileid,
793 			__entry->fhandle,
794 			__entry->offset, __entry->status,
795 			__entry->eof ? " eof" : ""
796 		)
797 );
798 
799 /*
800  * XXX: I tried using NFS_UNSTABLE and friends in this table, but they
801  * all evaluate to 0 for some reason, even if I include linux/nfs.h.
802  */
803 #define nfs_show_stable(stable) \
804 	__print_symbolic(stable, \
805 			{ 0, " (UNSTABLE)" }, \
806 			{ 1, " (DATA_SYNC)" }, \
807 			{ 2, " (FILE_SYNC)" })
808 
809 TRACE_EVENT(nfs_initiate_write,
810 		TP_PROTO(
811 			const struct inode *inode,
812 			loff_t offset, unsigned long count,
813 			enum nfs3_stable_how stable
814 		),
815 
816 		TP_ARGS(inode, offset, count, stable),
817 
818 		TP_STRUCT__entry(
819 			__field(loff_t, offset)
820 			__field(unsigned long, count)
821 			__field(enum nfs3_stable_how, stable)
822 			__field(dev_t, dev)
823 			__field(u32, fhandle)
824 			__field(u64, fileid)
825 		),
826 
827 		TP_fast_assign(
828 			const struct nfs_inode *nfsi = NFS_I(inode);
829 
830 			__entry->offset = offset;
831 			__entry->count = count;
832 			__entry->stable = stable;
833 			__entry->dev = inode->i_sb->s_dev;
834 			__entry->fileid = nfsi->fileid;
835 			__entry->fhandle = nfs_fhandle_hash(&nfsi->fh);
836 		),
837 
838 		TP_printk(
839 			"fileid=%02x:%02x:%llu fhandle=0x%08x "
840 			"offset=%lld count=%lu stable=%d%s",
841 			MAJOR(__entry->dev), MINOR(__entry->dev),
842 			(unsigned long long)__entry->fileid,
843 			__entry->fhandle,
844 			__entry->offset, __entry->count,
845 			__entry->stable, nfs_show_stable(__entry->stable)
846 		)
847 );
848 
849 TRACE_EVENT(nfs_writeback_done,
850 		TP_PROTO(
851 			const struct inode *inode,
852 			int status,
853 			loff_t offset,
854 			struct nfs_writeverf *writeverf
855 		),
856 
857 		TP_ARGS(inode, status, offset, writeverf),
858 
859 		TP_STRUCT__entry(
860 			__field(int, status)
861 			__field(loff_t, offset)
862 			__field(enum nfs3_stable_how, stable)
863 			__field(unsigned long long, verifier)
864 			__field(dev_t, dev)
865 			__field(u32, fhandle)
866 			__field(u64, fileid)
867 		),
868 
869 		TP_fast_assign(
870 			const struct nfs_inode *nfsi = NFS_I(inode);
871 
872 			__entry->status = status;
873 			__entry->offset = offset;
874 			__entry->stable = writeverf->committed;
875 			memcpy(&__entry->verifier, &writeverf->verifier,
876 			       sizeof(__entry->verifier));
877 			__entry->dev = inode->i_sb->s_dev;
878 			__entry->fileid = nfsi->fileid;
879 			__entry->fhandle = nfs_fhandle_hash(&nfsi->fh);
880 		),
881 
882 		TP_printk(
883 			"fileid=%02x:%02x:%llu fhandle=0x%08x "
884 			"offset=%lld status=%d stable=%d%s "
885 			"verifier 0x%016llx",
886 			MAJOR(__entry->dev), MINOR(__entry->dev),
887 			(unsigned long long)__entry->fileid,
888 			__entry->fhandle,
889 			__entry->offset, __entry->status,
890 			__entry->stable, nfs_show_stable(__entry->stable),
891 			__entry->verifier
892 		)
893 );
894 
895 TRACE_EVENT(nfs_initiate_commit,
896 		TP_PROTO(
897 			const struct nfs_commit_data *data
898 		),
899 
900 		TP_ARGS(data),
901 
902 		TP_STRUCT__entry(
903 			__field(loff_t, offset)
904 			__field(unsigned long, count)
905 			__field(dev_t, dev)
906 			__field(u32, fhandle)
907 			__field(u64, fileid)
908 		),
909 
910 		TP_fast_assign(
911 			const struct inode *inode = data->inode;
912 			const struct nfs_inode *nfsi = NFS_I(inode);
913 
914 			__entry->offset = data->args.offset;
915 			__entry->count = data->args.count;
916 			__entry->dev = inode->i_sb->s_dev;
917 			__entry->fileid = nfsi->fileid;
918 			__entry->fhandle = nfs_fhandle_hash(&nfsi->fh);
919 		),
920 
921 		TP_printk(
922 			"fileid=%02x:%02x:%llu fhandle=0x%08x "
923 			"offset=%lld count=%lu",
924 			MAJOR(__entry->dev), MINOR(__entry->dev),
925 			(unsigned long long)__entry->fileid,
926 			__entry->fhandle,
927 			__entry->offset, __entry->count
928 		)
929 );
930 
931 TRACE_EVENT(nfs_commit_done,
932 		TP_PROTO(
933 			const struct nfs_commit_data *data
934 		),
935 
936 		TP_ARGS(data),
937 
938 		TP_STRUCT__entry(
939 			__field(int, status)
940 			__field(loff_t, offset)
941 			__field(unsigned long long, verifier)
942 			__field(dev_t, dev)
943 			__field(u32, fhandle)
944 			__field(u64, fileid)
945 		),
946 
947 		TP_fast_assign(
948 			const struct inode *inode = data->inode;
949 			const struct nfs_inode *nfsi = NFS_I(inode);
950 
951 			__entry->status = data->res.op_status;
952 			__entry->offset = data->args.offset;
953 			memcpy(&__entry->verifier, &data->verf.verifier,
954 			       sizeof(__entry->verifier));
955 			__entry->dev = inode->i_sb->s_dev;
956 			__entry->fileid = nfsi->fileid;
957 			__entry->fhandle = nfs_fhandle_hash(&nfsi->fh);
958 		),
959 
960 		TP_printk(
961 			"fileid=%02x:%02x:%llu fhandle=0x%08x "
962 			"offset=%lld status=%d verifier 0x%016llx",
963 			MAJOR(__entry->dev), MINOR(__entry->dev),
964 			(unsigned long long)__entry->fileid,
965 			__entry->fhandle,
966 			__entry->offset, __entry->status,
967 			__entry->verifier
968 		)
969 );
970 
971 #endif /* _TRACE_NFS_H */
972 
973 #undef TRACE_INCLUDE_PATH
974 #define TRACE_INCLUDE_PATH .
975 #define TRACE_INCLUDE_FILE nfstrace
976 /* This part must be outside protection */
977 #include <trace/define_trace.h>
978