xref: /openbmc/linux/fs/nfs/nfstrace.h (revision bcba1e7d)
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 #include <linux/iversion.h>
13 
14 TRACE_DEFINE_ENUM(DT_UNKNOWN);
15 TRACE_DEFINE_ENUM(DT_FIFO);
16 TRACE_DEFINE_ENUM(DT_CHR);
17 TRACE_DEFINE_ENUM(DT_DIR);
18 TRACE_DEFINE_ENUM(DT_BLK);
19 TRACE_DEFINE_ENUM(DT_REG);
20 TRACE_DEFINE_ENUM(DT_LNK);
21 TRACE_DEFINE_ENUM(DT_SOCK);
22 TRACE_DEFINE_ENUM(DT_WHT);
23 
24 #define nfs_show_file_type(ftype) \
25 	__print_symbolic(ftype, \
26 			{ DT_UNKNOWN, "UNKNOWN" }, \
27 			{ DT_FIFO, "FIFO" }, \
28 			{ DT_CHR, "CHR" }, \
29 			{ DT_DIR, "DIR" }, \
30 			{ DT_BLK, "BLK" }, \
31 			{ DT_REG, "REG" }, \
32 			{ DT_LNK, "LNK" }, \
33 			{ DT_SOCK, "SOCK" }, \
34 			{ DT_WHT, "WHT" })
35 
36 TRACE_DEFINE_ENUM(NFS_INO_INVALID_DATA);
37 TRACE_DEFINE_ENUM(NFS_INO_INVALID_ATIME);
38 TRACE_DEFINE_ENUM(NFS_INO_INVALID_ACCESS);
39 TRACE_DEFINE_ENUM(NFS_INO_INVALID_ACL);
40 TRACE_DEFINE_ENUM(NFS_INO_REVAL_PAGECACHE);
41 TRACE_DEFINE_ENUM(NFS_INO_REVAL_FORCED);
42 TRACE_DEFINE_ENUM(NFS_INO_INVALID_LABEL);
43 TRACE_DEFINE_ENUM(NFS_INO_INVALID_CHANGE);
44 TRACE_DEFINE_ENUM(NFS_INO_INVALID_CTIME);
45 TRACE_DEFINE_ENUM(NFS_INO_INVALID_MTIME);
46 TRACE_DEFINE_ENUM(NFS_INO_INVALID_SIZE);
47 TRACE_DEFINE_ENUM(NFS_INO_INVALID_OTHER);
48 
49 #define nfs_show_cache_validity(v) \
50 	__print_flags(v, "|", \
51 			{ NFS_INO_INVALID_DATA, "INVALID_DATA" }, \
52 			{ NFS_INO_INVALID_ATIME, "INVALID_ATIME" }, \
53 			{ NFS_INO_INVALID_ACCESS, "INVALID_ACCESS" }, \
54 			{ NFS_INO_INVALID_ACL, "INVALID_ACL" }, \
55 			{ NFS_INO_REVAL_PAGECACHE, "REVAL_PAGECACHE" }, \
56 			{ NFS_INO_REVAL_FORCED, "REVAL_FORCED" }, \
57 			{ NFS_INO_INVALID_LABEL, "INVALID_LABEL" }, \
58 			{ NFS_INO_INVALID_CHANGE, "INVALID_CHANGE" }, \
59 			{ NFS_INO_INVALID_CTIME, "INVALID_CTIME" }, \
60 			{ NFS_INO_INVALID_MTIME, "INVALID_MTIME" }, \
61 			{ NFS_INO_INVALID_SIZE, "INVALID_SIZE" }, \
62 			{ NFS_INO_INVALID_OTHER, "INVALID_OTHER" }, \
63 			{ NFS_INO_INVALID_XATTR, "INVALID_XATTR" })
64 
65 TRACE_DEFINE_ENUM(NFS_INO_ADVISE_RDPLUS);
66 TRACE_DEFINE_ENUM(NFS_INO_STALE);
67 TRACE_DEFINE_ENUM(NFS_INO_ACL_LRU_SET);
68 TRACE_DEFINE_ENUM(NFS_INO_INVALIDATING);
69 TRACE_DEFINE_ENUM(NFS_INO_FSCACHE);
70 TRACE_DEFINE_ENUM(NFS_INO_FSCACHE_LOCK);
71 TRACE_DEFINE_ENUM(NFS_INO_LAYOUTCOMMIT);
72 TRACE_DEFINE_ENUM(NFS_INO_LAYOUTCOMMITTING);
73 TRACE_DEFINE_ENUM(NFS_INO_LAYOUTSTATS);
74 TRACE_DEFINE_ENUM(NFS_INO_ODIRECT);
75 
76 #define nfs_show_nfsi_flags(v) \
77 	__print_flags(v, "|", \
78 			{ BIT(NFS_INO_ADVISE_RDPLUS), "ADVISE_RDPLUS" }, \
79 			{ BIT(NFS_INO_STALE), "STALE" }, \
80 			{ BIT(NFS_INO_ACL_LRU_SET), "ACL_LRU_SET" }, \
81 			{ BIT(NFS_INO_INVALIDATING), "INVALIDATING" }, \
82 			{ BIT(NFS_INO_FSCACHE), "FSCACHE" }, \
83 			{ BIT(NFS_INO_FSCACHE_LOCK), "FSCACHE_LOCK" }, \
84 			{ BIT(NFS_INO_LAYOUTCOMMIT), "NEED_LAYOUTCOMMIT" }, \
85 			{ BIT(NFS_INO_LAYOUTCOMMITTING), "LAYOUTCOMMIT" }, \
86 			{ BIT(NFS_INO_LAYOUTSTATS), "LAYOUTSTATS" }, \
87 			{ BIT(NFS_INO_ODIRECT), "ODIRECT" })
88 
89 DECLARE_EVENT_CLASS(nfs_inode_event,
90 		TP_PROTO(
91 			const struct inode *inode
92 		),
93 
94 		TP_ARGS(inode),
95 
96 		TP_STRUCT__entry(
97 			__field(dev_t, dev)
98 			__field(u32, fhandle)
99 			__field(u64, fileid)
100 			__field(u64, version)
101 		),
102 
103 		TP_fast_assign(
104 			const struct nfs_inode *nfsi = NFS_I(inode);
105 			__entry->dev = inode->i_sb->s_dev;
106 			__entry->fileid = nfsi->fileid;
107 			__entry->fhandle = nfs_fhandle_hash(&nfsi->fh);
108 			__entry->version = inode_peek_iversion_raw(inode);
109 		),
110 
111 		TP_printk(
112 			"fileid=%02x:%02x:%llu fhandle=0x%08x version=%llu ",
113 			MAJOR(__entry->dev), MINOR(__entry->dev),
114 			(unsigned long long)__entry->fileid,
115 			__entry->fhandle,
116 			(unsigned long long)__entry->version
117 		)
118 );
119 
120 DECLARE_EVENT_CLASS(nfs_inode_event_done,
121 		TP_PROTO(
122 			const struct inode *inode,
123 			int error
124 		),
125 
126 		TP_ARGS(inode, error),
127 
128 		TP_STRUCT__entry(
129 			__field(unsigned long, error)
130 			__field(dev_t, dev)
131 			__field(u32, fhandle)
132 			__field(unsigned char, type)
133 			__field(u64, fileid)
134 			__field(u64, version)
135 			__field(loff_t, size)
136 			__field(unsigned long, nfsi_flags)
137 			__field(unsigned long, cache_validity)
138 		),
139 
140 		TP_fast_assign(
141 			const struct nfs_inode *nfsi = NFS_I(inode);
142 			__entry->error = error < 0 ? -error : 0;
143 			__entry->dev = inode->i_sb->s_dev;
144 			__entry->fileid = nfsi->fileid;
145 			__entry->fhandle = nfs_fhandle_hash(&nfsi->fh);
146 			__entry->type = nfs_umode_to_dtype(inode->i_mode);
147 			__entry->version = inode_peek_iversion_raw(inode);
148 			__entry->size = i_size_read(inode);
149 			__entry->nfsi_flags = nfsi->flags;
150 			__entry->cache_validity = nfsi->cache_validity;
151 		),
152 
153 		TP_printk(
154 			"error=%ld (%s) fileid=%02x:%02x:%llu fhandle=0x%08x "
155 			"type=%u (%s) version=%llu size=%lld "
156 			"cache_validity=0x%lx (%s) nfs_flags=0x%lx (%s)",
157 			-__entry->error, nfs_show_status(__entry->error),
158 			MAJOR(__entry->dev), MINOR(__entry->dev),
159 			(unsigned long long)__entry->fileid,
160 			__entry->fhandle,
161 			__entry->type,
162 			nfs_show_file_type(__entry->type),
163 			(unsigned long long)__entry->version,
164 			(long long)__entry->size,
165 			__entry->cache_validity,
166 			nfs_show_cache_validity(__entry->cache_validity),
167 			__entry->nfsi_flags,
168 			nfs_show_nfsi_flags(__entry->nfsi_flags)
169 		)
170 );
171 
172 #define DEFINE_NFS_INODE_EVENT(name) \
173 	DEFINE_EVENT(nfs_inode_event, name, \
174 			TP_PROTO( \
175 				const struct inode *inode \
176 			), \
177 			TP_ARGS(inode))
178 #define DEFINE_NFS_INODE_EVENT_DONE(name) \
179 	DEFINE_EVENT(nfs_inode_event_done, name, \
180 			TP_PROTO( \
181 				const struct inode *inode, \
182 				int error \
183 			), \
184 			TP_ARGS(inode, error))
185 DEFINE_NFS_INODE_EVENT(nfs_set_inode_stale);
186 DEFINE_NFS_INODE_EVENT(nfs_refresh_inode_enter);
187 DEFINE_NFS_INODE_EVENT_DONE(nfs_refresh_inode_exit);
188 DEFINE_NFS_INODE_EVENT(nfs_revalidate_inode_enter);
189 DEFINE_NFS_INODE_EVENT_DONE(nfs_revalidate_inode_exit);
190 DEFINE_NFS_INODE_EVENT(nfs_invalidate_mapping_enter);
191 DEFINE_NFS_INODE_EVENT_DONE(nfs_invalidate_mapping_exit);
192 DEFINE_NFS_INODE_EVENT(nfs_getattr_enter);
193 DEFINE_NFS_INODE_EVENT_DONE(nfs_getattr_exit);
194 DEFINE_NFS_INODE_EVENT(nfs_setattr_enter);
195 DEFINE_NFS_INODE_EVENT_DONE(nfs_setattr_exit);
196 DEFINE_NFS_INODE_EVENT(nfs_writeback_page_enter);
197 DEFINE_NFS_INODE_EVENT_DONE(nfs_writeback_page_exit);
198 DEFINE_NFS_INODE_EVENT(nfs_writeback_inode_enter);
199 DEFINE_NFS_INODE_EVENT_DONE(nfs_writeback_inode_exit);
200 DEFINE_NFS_INODE_EVENT(nfs_fsync_enter);
201 DEFINE_NFS_INODE_EVENT_DONE(nfs_fsync_exit);
202 DEFINE_NFS_INODE_EVENT(nfs_access_enter);
203 
204 TRACE_EVENT(nfs_access_exit,
205 		TP_PROTO(
206 			const struct inode *inode,
207 			unsigned int mask,
208 			unsigned int permitted,
209 			int error
210 		),
211 
212 		TP_ARGS(inode, mask, permitted, error),
213 
214 		TP_STRUCT__entry(
215 			__field(unsigned long, error)
216 			__field(dev_t, dev)
217 			__field(u32, fhandle)
218 			__field(unsigned char, type)
219 			__field(u64, fileid)
220 			__field(u64, version)
221 			__field(loff_t, size)
222 			__field(unsigned long, nfsi_flags)
223 			__field(unsigned long, cache_validity)
224 			__field(unsigned int, mask)
225 			__field(unsigned int, permitted)
226 		),
227 
228 		TP_fast_assign(
229 			const struct nfs_inode *nfsi = NFS_I(inode);
230 			__entry->error = error < 0 ? -error : 0;
231 			__entry->dev = inode->i_sb->s_dev;
232 			__entry->fileid = nfsi->fileid;
233 			__entry->fhandle = nfs_fhandle_hash(&nfsi->fh);
234 			__entry->type = nfs_umode_to_dtype(inode->i_mode);
235 			__entry->version = inode_peek_iversion_raw(inode);
236 			__entry->size = i_size_read(inode);
237 			__entry->nfsi_flags = nfsi->flags;
238 			__entry->cache_validity = nfsi->cache_validity;
239 			__entry->mask = mask;
240 			__entry->permitted = permitted;
241 		),
242 
243 		TP_printk(
244 			"error=%ld (%s) fileid=%02x:%02x:%llu fhandle=0x%08x "
245 			"type=%u (%s) version=%llu size=%lld "
246 			"cache_validity=0x%lx (%s) nfs_flags=0x%lx (%s) "
247 			"mask=0x%x permitted=0x%x",
248 			-__entry->error, nfs_show_status(__entry->error),
249 			MAJOR(__entry->dev), MINOR(__entry->dev),
250 			(unsigned long long)__entry->fileid,
251 			__entry->fhandle,
252 			__entry->type,
253 			nfs_show_file_type(__entry->type),
254 			(unsigned long long)__entry->version,
255 			(long long)__entry->size,
256 			__entry->cache_validity,
257 			nfs_show_cache_validity(__entry->cache_validity),
258 			__entry->nfsi_flags,
259 			nfs_show_nfsi_flags(__entry->nfsi_flags),
260 			__entry->mask, __entry->permitted
261 		)
262 );
263 
264 TRACE_DEFINE_ENUM(LOOKUP_FOLLOW);
265 TRACE_DEFINE_ENUM(LOOKUP_DIRECTORY);
266 TRACE_DEFINE_ENUM(LOOKUP_AUTOMOUNT);
267 TRACE_DEFINE_ENUM(LOOKUP_PARENT);
268 TRACE_DEFINE_ENUM(LOOKUP_REVAL);
269 TRACE_DEFINE_ENUM(LOOKUP_RCU);
270 TRACE_DEFINE_ENUM(LOOKUP_OPEN);
271 TRACE_DEFINE_ENUM(LOOKUP_CREATE);
272 TRACE_DEFINE_ENUM(LOOKUP_EXCL);
273 TRACE_DEFINE_ENUM(LOOKUP_RENAME_TARGET);
274 TRACE_DEFINE_ENUM(LOOKUP_EMPTY);
275 TRACE_DEFINE_ENUM(LOOKUP_DOWN);
276 
277 #define show_lookup_flags(flags) \
278 	__print_flags(flags, "|", \
279 			{ LOOKUP_FOLLOW, "FOLLOW" }, \
280 			{ LOOKUP_DIRECTORY, "DIRECTORY" }, \
281 			{ LOOKUP_AUTOMOUNT, "AUTOMOUNT" }, \
282 			{ LOOKUP_PARENT, "PARENT" }, \
283 			{ LOOKUP_REVAL, "REVAL" }, \
284 			{ LOOKUP_RCU, "RCU" }, \
285 			{ LOOKUP_OPEN, "OPEN" }, \
286 			{ LOOKUP_CREATE, "CREATE" }, \
287 			{ LOOKUP_EXCL, "EXCL" }, \
288 			{ LOOKUP_RENAME_TARGET, "RENAME_TARGET" }, \
289 			{ LOOKUP_EMPTY, "EMPTY" }, \
290 			{ LOOKUP_DOWN, "DOWN" })
291 
292 DECLARE_EVENT_CLASS(nfs_lookup_event,
293 		TP_PROTO(
294 			const struct inode *dir,
295 			const struct dentry *dentry,
296 			unsigned int flags
297 		),
298 
299 		TP_ARGS(dir, dentry, flags),
300 
301 		TP_STRUCT__entry(
302 			__field(unsigned long, flags)
303 			__field(dev_t, dev)
304 			__field(u64, dir)
305 			__string(name, dentry->d_name.name)
306 		),
307 
308 		TP_fast_assign(
309 			__entry->dev = dir->i_sb->s_dev;
310 			__entry->dir = NFS_FILEID(dir);
311 			__entry->flags = flags;
312 			__assign_str(name, dentry->d_name.name);
313 		),
314 
315 		TP_printk(
316 			"flags=0x%lx (%s) name=%02x:%02x:%llu/%s",
317 			__entry->flags,
318 			show_lookup_flags(__entry->flags),
319 			MAJOR(__entry->dev), MINOR(__entry->dev),
320 			(unsigned long long)__entry->dir,
321 			__get_str(name)
322 		)
323 );
324 
325 #define DEFINE_NFS_LOOKUP_EVENT(name) \
326 	DEFINE_EVENT(nfs_lookup_event, name, \
327 			TP_PROTO( \
328 				const struct inode *dir, \
329 				const struct dentry *dentry, \
330 				unsigned int flags \
331 			), \
332 			TP_ARGS(dir, dentry, flags))
333 
334 DECLARE_EVENT_CLASS(nfs_lookup_event_done,
335 		TP_PROTO(
336 			const struct inode *dir,
337 			const struct dentry *dentry,
338 			unsigned int flags,
339 			int error
340 		),
341 
342 		TP_ARGS(dir, dentry, flags, error),
343 
344 		TP_STRUCT__entry(
345 			__field(unsigned long, error)
346 			__field(unsigned long, flags)
347 			__field(dev_t, dev)
348 			__field(u64, dir)
349 			__string(name, dentry->d_name.name)
350 		),
351 
352 		TP_fast_assign(
353 			__entry->dev = dir->i_sb->s_dev;
354 			__entry->dir = NFS_FILEID(dir);
355 			__entry->error = error < 0 ? -error : 0;
356 			__entry->flags = flags;
357 			__assign_str(name, dentry->d_name.name);
358 		),
359 
360 		TP_printk(
361 			"error=%ld (%s) flags=0x%lx (%s) name=%02x:%02x:%llu/%s",
362 			-__entry->error, nfs_show_status(__entry->error),
363 			__entry->flags,
364 			show_lookup_flags(__entry->flags),
365 			MAJOR(__entry->dev), MINOR(__entry->dev),
366 			(unsigned long long)__entry->dir,
367 			__get_str(name)
368 		)
369 );
370 
371 #define DEFINE_NFS_LOOKUP_EVENT_DONE(name) \
372 	DEFINE_EVENT(nfs_lookup_event_done, name, \
373 			TP_PROTO( \
374 				const struct inode *dir, \
375 				const struct dentry *dentry, \
376 				unsigned int flags, \
377 				int error \
378 			), \
379 			TP_ARGS(dir, dentry, flags, error))
380 
381 DEFINE_NFS_LOOKUP_EVENT(nfs_lookup_enter);
382 DEFINE_NFS_LOOKUP_EVENT_DONE(nfs_lookup_exit);
383 DEFINE_NFS_LOOKUP_EVENT(nfs_lookup_revalidate_enter);
384 DEFINE_NFS_LOOKUP_EVENT_DONE(nfs_lookup_revalidate_exit);
385 
386 TRACE_DEFINE_ENUM(O_WRONLY);
387 TRACE_DEFINE_ENUM(O_RDWR);
388 TRACE_DEFINE_ENUM(O_CREAT);
389 TRACE_DEFINE_ENUM(O_EXCL);
390 TRACE_DEFINE_ENUM(O_NOCTTY);
391 TRACE_DEFINE_ENUM(O_TRUNC);
392 TRACE_DEFINE_ENUM(O_APPEND);
393 TRACE_DEFINE_ENUM(O_NONBLOCK);
394 TRACE_DEFINE_ENUM(O_DSYNC);
395 TRACE_DEFINE_ENUM(O_DIRECT);
396 TRACE_DEFINE_ENUM(O_LARGEFILE);
397 TRACE_DEFINE_ENUM(O_DIRECTORY);
398 TRACE_DEFINE_ENUM(O_NOFOLLOW);
399 TRACE_DEFINE_ENUM(O_NOATIME);
400 TRACE_DEFINE_ENUM(O_CLOEXEC);
401 
402 #define show_open_flags(flags) \
403 	__print_flags(flags, "|", \
404 		{ O_WRONLY, "O_WRONLY" }, \
405 		{ O_RDWR, "O_RDWR" }, \
406 		{ O_CREAT, "O_CREAT" }, \
407 		{ O_EXCL, "O_EXCL" }, \
408 		{ O_NOCTTY, "O_NOCTTY" }, \
409 		{ O_TRUNC, "O_TRUNC" }, \
410 		{ O_APPEND, "O_APPEND" }, \
411 		{ O_NONBLOCK, "O_NONBLOCK" }, \
412 		{ O_DSYNC, "O_DSYNC" }, \
413 		{ O_DIRECT, "O_DIRECT" }, \
414 		{ O_LARGEFILE, "O_LARGEFILE" }, \
415 		{ O_DIRECTORY, "O_DIRECTORY" }, \
416 		{ O_NOFOLLOW, "O_NOFOLLOW" }, \
417 		{ O_NOATIME, "O_NOATIME" }, \
418 		{ O_CLOEXEC, "O_CLOEXEC" })
419 
420 TRACE_DEFINE_ENUM(FMODE_READ);
421 TRACE_DEFINE_ENUM(FMODE_WRITE);
422 TRACE_DEFINE_ENUM(FMODE_EXEC);
423 
424 #define show_fmode_flags(mode) \
425 	__print_flags(mode, "|", \
426 		{ ((__force unsigned long)FMODE_READ), "READ" }, \
427 		{ ((__force unsigned long)FMODE_WRITE), "WRITE" }, \
428 		{ ((__force unsigned long)FMODE_EXEC), "EXEC" })
429 
430 TRACE_EVENT(nfs_atomic_open_enter,
431 		TP_PROTO(
432 			const struct inode *dir,
433 			const struct nfs_open_context *ctx,
434 			unsigned int flags
435 		),
436 
437 		TP_ARGS(dir, ctx, flags),
438 
439 		TP_STRUCT__entry(
440 			__field(unsigned long, flags)
441 			__field(unsigned int, fmode)
442 			__field(dev_t, dev)
443 			__field(u64, dir)
444 			__string(name, ctx->dentry->d_name.name)
445 		),
446 
447 		TP_fast_assign(
448 			__entry->dev = dir->i_sb->s_dev;
449 			__entry->dir = NFS_FILEID(dir);
450 			__entry->flags = flags;
451 			__entry->fmode = (__force unsigned int)ctx->mode;
452 			__assign_str(name, ctx->dentry->d_name.name);
453 		),
454 
455 		TP_printk(
456 			"flags=0x%lx (%s) fmode=%s name=%02x:%02x:%llu/%s",
457 			__entry->flags,
458 			show_open_flags(__entry->flags),
459 			show_fmode_flags(__entry->fmode),
460 			MAJOR(__entry->dev), MINOR(__entry->dev),
461 			(unsigned long long)__entry->dir,
462 			__get_str(name)
463 		)
464 );
465 
466 TRACE_EVENT(nfs_atomic_open_exit,
467 		TP_PROTO(
468 			const struct inode *dir,
469 			const struct nfs_open_context *ctx,
470 			unsigned int flags,
471 			int error
472 		),
473 
474 		TP_ARGS(dir, ctx, flags, error),
475 
476 		TP_STRUCT__entry(
477 			__field(unsigned long, error)
478 			__field(unsigned long, flags)
479 			__field(unsigned int, fmode)
480 			__field(dev_t, dev)
481 			__field(u64, dir)
482 			__string(name, ctx->dentry->d_name.name)
483 		),
484 
485 		TP_fast_assign(
486 			__entry->error = -error;
487 			__entry->dev = dir->i_sb->s_dev;
488 			__entry->dir = NFS_FILEID(dir);
489 			__entry->flags = flags;
490 			__entry->fmode = (__force unsigned int)ctx->mode;
491 			__assign_str(name, ctx->dentry->d_name.name);
492 		),
493 
494 		TP_printk(
495 			"error=%ld (%s) flags=0x%lx (%s) fmode=%s "
496 			"name=%02x:%02x:%llu/%s",
497 			-__entry->error, nfs_show_status(__entry->error),
498 			__entry->flags,
499 			show_open_flags(__entry->flags),
500 			show_fmode_flags(__entry->fmode),
501 			MAJOR(__entry->dev), MINOR(__entry->dev),
502 			(unsigned long long)__entry->dir,
503 			__get_str(name)
504 		)
505 );
506 
507 TRACE_EVENT(nfs_create_enter,
508 		TP_PROTO(
509 			const struct inode *dir,
510 			const struct dentry *dentry,
511 			unsigned int flags
512 		),
513 
514 		TP_ARGS(dir, dentry, flags),
515 
516 		TP_STRUCT__entry(
517 			__field(unsigned long, flags)
518 			__field(dev_t, dev)
519 			__field(u64, dir)
520 			__string(name, dentry->d_name.name)
521 		),
522 
523 		TP_fast_assign(
524 			__entry->dev = dir->i_sb->s_dev;
525 			__entry->dir = NFS_FILEID(dir);
526 			__entry->flags = flags;
527 			__assign_str(name, dentry->d_name.name);
528 		),
529 
530 		TP_printk(
531 			"flags=0x%lx (%s) name=%02x:%02x:%llu/%s",
532 			__entry->flags,
533 			show_open_flags(__entry->flags),
534 			MAJOR(__entry->dev), MINOR(__entry->dev),
535 			(unsigned long long)__entry->dir,
536 			__get_str(name)
537 		)
538 );
539 
540 TRACE_EVENT(nfs_create_exit,
541 		TP_PROTO(
542 			const struct inode *dir,
543 			const struct dentry *dentry,
544 			unsigned int flags,
545 			int error
546 		),
547 
548 		TP_ARGS(dir, dentry, flags, error),
549 
550 		TP_STRUCT__entry(
551 			__field(unsigned long, error)
552 			__field(unsigned long, flags)
553 			__field(dev_t, dev)
554 			__field(u64, dir)
555 			__string(name, dentry->d_name.name)
556 		),
557 
558 		TP_fast_assign(
559 			__entry->error = -error;
560 			__entry->dev = dir->i_sb->s_dev;
561 			__entry->dir = NFS_FILEID(dir);
562 			__entry->flags = flags;
563 			__assign_str(name, dentry->d_name.name);
564 		),
565 
566 		TP_printk(
567 			"error=%ld (%s) flags=0x%lx (%s) name=%02x:%02x:%llu/%s",
568 			-__entry->error, nfs_show_status(__entry->error),
569 			__entry->flags,
570 			show_open_flags(__entry->flags),
571 			MAJOR(__entry->dev), MINOR(__entry->dev),
572 			(unsigned long long)__entry->dir,
573 			__get_str(name)
574 		)
575 );
576 
577 DECLARE_EVENT_CLASS(nfs_directory_event,
578 		TP_PROTO(
579 			const struct inode *dir,
580 			const struct dentry *dentry
581 		),
582 
583 		TP_ARGS(dir, dentry),
584 
585 		TP_STRUCT__entry(
586 			__field(dev_t, dev)
587 			__field(u64, dir)
588 			__string(name, dentry->d_name.name)
589 		),
590 
591 		TP_fast_assign(
592 			__entry->dev = dir->i_sb->s_dev;
593 			__entry->dir = NFS_FILEID(dir);
594 			__assign_str(name, dentry->d_name.name);
595 		),
596 
597 		TP_printk(
598 			"name=%02x:%02x:%llu/%s",
599 			MAJOR(__entry->dev), MINOR(__entry->dev),
600 			(unsigned long long)__entry->dir,
601 			__get_str(name)
602 		)
603 );
604 
605 #define DEFINE_NFS_DIRECTORY_EVENT(name) \
606 	DEFINE_EVENT(nfs_directory_event, name, \
607 			TP_PROTO( \
608 				const struct inode *dir, \
609 				const struct dentry *dentry \
610 			), \
611 			TP_ARGS(dir, dentry))
612 
613 DECLARE_EVENT_CLASS(nfs_directory_event_done,
614 		TP_PROTO(
615 			const struct inode *dir,
616 			const struct dentry *dentry,
617 			int error
618 		),
619 
620 		TP_ARGS(dir, dentry, error),
621 
622 		TP_STRUCT__entry(
623 			__field(unsigned long, error)
624 			__field(dev_t, dev)
625 			__field(u64, dir)
626 			__string(name, dentry->d_name.name)
627 		),
628 
629 		TP_fast_assign(
630 			__entry->dev = dir->i_sb->s_dev;
631 			__entry->dir = NFS_FILEID(dir);
632 			__entry->error = error < 0 ? -error : 0;
633 			__assign_str(name, dentry->d_name.name);
634 		),
635 
636 		TP_printk(
637 			"error=%ld (%s) name=%02x:%02x:%llu/%s",
638 			-__entry->error, nfs_show_status(__entry->error),
639 			MAJOR(__entry->dev), MINOR(__entry->dev),
640 			(unsigned long long)__entry->dir,
641 			__get_str(name)
642 		)
643 );
644 
645 #define DEFINE_NFS_DIRECTORY_EVENT_DONE(name) \
646 	DEFINE_EVENT(nfs_directory_event_done, name, \
647 			TP_PROTO( \
648 				const struct inode *dir, \
649 				const struct dentry *dentry, \
650 				int error \
651 			), \
652 			TP_ARGS(dir, dentry, error))
653 
654 DEFINE_NFS_DIRECTORY_EVENT(nfs_mknod_enter);
655 DEFINE_NFS_DIRECTORY_EVENT_DONE(nfs_mknod_exit);
656 DEFINE_NFS_DIRECTORY_EVENT(nfs_mkdir_enter);
657 DEFINE_NFS_DIRECTORY_EVENT_DONE(nfs_mkdir_exit);
658 DEFINE_NFS_DIRECTORY_EVENT(nfs_rmdir_enter);
659 DEFINE_NFS_DIRECTORY_EVENT_DONE(nfs_rmdir_exit);
660 DEFINE_NFS_DIRECTORY_EVENT(nfs_remove_enter);
661 DEFINE_NFS_DIRECTORY_EVENT_DONE(nfs_remove_exit);
662 DEFINE_NFS_DIRECTORY_EVENT(nfs_unlink_enter);
663 DEFINE_NFS_DIRECTORY_EVENT_DONE(nfs_unlink_exit);
664 DEFINE_NFS_DIRECTORY_EVENT(nfs_symlink_enter);
665 DEFINE_NFS_DIRECTORY_EVENT_DONE(nfs_symlink_exit);
666 
667 TRACE_EVENT(nfs_link_enter,
668 		TP_PROTO(
669 			const struct inode *inode,
670 			const struct inode *dir,
671 			const struct dentry *dentry
672 		),
673 
674 		TP_ARGS(inode, dir, dentry),
675 
676 		TP_STRUCT__entry(
677 			__field(dev_t, dev)
678 			__field(u64, fileid)
679 			__field(u64, dir)
680 			__string(name, dentry->d_name.name)
681 		),
682 
683 		TP_fast_assign(
684 			__entry->dev = inode->i_sb->s_dev;
685 			__entry->fileid = NFS_FILEID(inode);
686 			__entry->dir = NFS_FILEID(dir);
687 			__assign_str(name, dentry->d_name.name);
688 		),
689 
690 		TP_printk(
691 			"fileid=%02x:%02x:%llu name=%02x:%02x:%llu/%s",
692 			MAJOR(__entry->dev), MINOR(__entry->dev),
693 			__entry->fileid,
694 			MAJOR(__entry->dev), MINOR(__entry->dev),
695 			(unsigned long long)__entry->dir,
696 			__get_str(name)
697 		)
698 );
699 
700 TRACE_EVENT(nfs_link_exit,
701 		TP_PROTO(
702 			const struct inode *inode,
703 			const struct inode *dir,
704 			const struct dentry *dentry,
705 			int error
706 		),
707 
708 		TP_ARGS(inode, dir, dentry, error),
709 
710 		TP_STRUCT__entry(
711 			__field(unsigned long, error)
712 			__field(dev_t, dev)
713 			__field(u64, fileid)
714 			__field(u64, dir)
715 			__string(name, dentry->d_name.name)
716 		),
717 
718 		TP_fast_assign(
719 			__entry->dev = inode->i_sb->s_dev;
720 			__entry->fileid = NFS_FILEID(inode);
721 			__entry->dir = NFS_FILEID(dir);
722 			__entry->error = error < 0 ? -error : 0;
723 			__assign_str(name, dentry->d_name.name);
724 		),
725 
726 		TP_printk(
727 			"error=%ld (%s) fileid=%02x:%02x:%llu name=%02x:%02x:%llu/%s",
728 			-__entry->error, nfs_show_status(__entry->error),
729 			MAJOR(__entry->dev), MINOR(__entry->dev),
730 			__entry->fileid,
731 			MAJOR(__entry->dev), MINOR(__entry->dev),
732 			(unsigned long long)__entry->dir,
733 			__get_str(name)
734 		)
735 );
736 
737 DECLARE_EVENT_CLASS(nfs_rename_event,
738 		TP_PROTO(
739 			const struct inode *old_dir,
740 			const struct dentry *old_dentry,
741 			const struct inode *new_dir,
742 			const struct dentry *new_dentry
743 		),
744 
745 		TP_ARGS(old_dir, old_dentry, new_dir, new_dentry),
746 
747 		TP_STRUCT__entry(
748 			__field(dev_t, dev)
749 			__field(u64, old_dir)
750 			__field(u64, new_dir)
751 			__string(old_name, old_dentry->d_name.name)
752 			__string(new_name, new_dentry->d_name.name)
753 		),
754 
755 		TP_fast_assign(
756 			__entry->dev = old_dir->i_sb->s_dev;
757 			__entry->old_dir = NFS_FILEID(old_dir);
758 			__entry->new_dir = NFS_FILEID(new_dir);
759 			__assign_str(old_name, old_dentry->d_name.name);
760 			__assign_str(new_name, new_dentry->d_name.name);
761 		),
762 
763 		TP_printk(
764 			"old_name=%02x:%02x:%llu/%s new_name=%02x:%02x:%llu/%s",
765 			MAJOR(__entry->dev), MINOR(__entry->dev),
766 			(unsigned long long)__entry->old_dir,
767 			__get_str(old_name),
768 			MAJOR(__entry->dev), MINOR(__entry->dev),
769 			(unsigned long long)__entry->new_dir,
770 			__get_str(new_name)
771 		)
772 );
773 #define DEFINE_NFS_RENAME_EVENT(name) \
774 	DEFINE_EVENT(nfs_rename_event, name, \
775 			TP_PROTO( \
776 				const struct inode *old_dir, \
777 				const struct dentry *old_dentry, \
778 				const struct inode *new_dir, \
779 				const struct dentry *new_dentry \
780 			), \
781 			TP_ARGS(old_dir, old_dentry, new_dir, new_dentry))
782 
783 DECLARE_EVENT_CLASS(nfs_rename_event_done,
784 		TP_PROTO(
785 			const struct inode *old_dir,
786 			const struct dentry *old_dentry,
787 			const struct inode *new_dir,
788 			const struct dentry *new_dentry,
789 			int error
790 		),
791 
792 		TP_ARGS(old_dir, old_dentry, new_dir, new_dentry, error),
793 
794 		TP_STRUCT__entry(
795 			__field(dev_t, dev)
796 			__field(unsigned long, error)
797 			__field(u64, old_dir)
798 			__string(old_name, old_dentry->d_name.name)
799 			__field(u64, new_dir)
800 			__string(new_name, new_dentry->d_name.name)
801 		),
802 
803 		TP_fast_assign(
804 			__entry->dev = old_dir->i_sb->s_dev;
805 			__entry->error = -error;
806 			__entry->old_dir = NFS_FILEID(old_dir);
807 			__entry->new_dir = NFS_FILEID(new_dir);
808 			__assign_str(old_name, old_dentry->d_name.name);
809 			__assign_str(new_name, new_dentry->d_name.name);
810 		),
811 
812 		TP_printk(
813 			"error=%ld (%s) old_name=%02x:%02x:%llu/%s "
814 			"new_name=%02x:%02x:%llu/%s",
815 			-__entry->error, nfs_show_status(__entry->error),
816 			MAJOR(__entry->dev), MINOR(__entry->dev),
817 			(unsigned long long)__entry->old_dir,
818 			__get_str(old_name),
819 			MAJOR(__entry->dev), MINOR(__entry->dev),
820 			(unsigned long long)__entry->new_dir,
821 			__get_str(new_name)
822 		)
823 );
824 #define DEFINE_NFS_RENAME_EVENT_DONE(name) \
825 	DEFINE_EVENT(nfs_rename_event_done, name, \
826 			TP_PROTO( \
827 				const struct inode *old_dir, \
828 				const struct dentry *old_dentry, \
829 				const struct inode *new_dir, \
830 				const struct dentry *new_dentry, \
831 				int error \
832 			), \
833 			TP_ARGS(old_dir, old_dentry, new_dir, \
834 				new_dentry, error))
835 
836 DEFINE_NFS_RENAME_EVENT(nfs_rename_enter);
837 DEFINE_NFS_RENAME_EVENT_DONE(nfs_rename_exit);
838 
839 DEFINE_NFS_RENAME_EVENT_DONE(nfs_sillyrename_rename);
840 
841 TRACE_EVENT(nfs_sillyrename_unlink,
842 		TP_PROTO(
843 			const struct nfs_unlinkdata *data,
844 			int error
845 		),
846 
847 		TP_ARGS(data, error),
848 
849 		TP_STRUCT__entry(
850 			__field(dev_t, dev)
851 			__field(unsigned long, error)
852 			__field(u64, dir)
853 			__dynamic_array(char, name, data->args.name.len + 1)
854 		),
855 
856 		TP_fast_assign(
857 			struct inode *dir = d_inode(data->dentry->d_parent);
858 			size_t len = data->args.name.len;
859 			__entry->dev = dir->i_sb->s_dev;
860 			__entry->dir = NFS_FILEID(dir);
861 			__entry->error = -error;
862 			memcpy(__get_str(name),
863 				data->args.name.name, len);
864 			__get_str(name)[len] = 0;
865 		),
866 
867 		TP_printk(
868 			"error=%ld (%s) name=%02x:%02x:%llu/%s",
869 			-__entry->error, nfs_show_status(__entry->error),
870 			MAJOR(__entry->dev), MINOR(__entry->dev),
871 			(unsigned long long)__entry->dir,
872 			__get_str(name)
873 		)
874 );
875 
876 TRACE_EVENT(nfs_initiate_read,
877 		TP_PROTO(
878 			const struct nfs_pgio_header *hdr
879 		),
880 
881 		TP_ARGS(hdr),
882 
883 		TP_STRUCT__entry(
884 			__field(dev_t, dev)
885 			__field(u32, fhandle)
886 			__field(u64, fileid)
887 			__field(loff_t, offset)
888 			__field(u32, count)
889 		),
890 
891 		TP_fast_assign(
892 			const struct inode *inode = hdr->inode;
893 			const struct nfs_inode *nfsi = NFS_I(inode);
894 			const struct nfs_fh *fh = hdr->args.fh ?
895 						  hdr->args.fh : &nfsi->fh;
896 
897 			__entry->offset = hdr->args.offset;
898 			__entry->count = hdr->args.count;
899 			__entry->dev = inode->i_sb->s_dev;
900 			__entry->fileid = nfsi->fileid;
901 			__entry->fhandle = nfs_fhandle_hash(fh);
902 		),
903 
904 		TP_printk(
905 			"fileid=%02x:%02x:%llu fhandle=0x%08x "
906 			"offset=%lld count=%u",
907 			MAJOR(__entry->dev), MINOR(__entry->dev),
908 			(unsigned long long)__entry->fileid,
909 			__entry->fhandle,
910 			(long long)__entry->offset, __entry->count
911 		)
912 );
913 
914 TRACE_EVENT(nfs_readpage_done,
915 		TP_PROTO(
916 			const struct rpc_task *task,
917 			const struct nfs_pgio_header *hdr
918 		),
919 
920 		TP_ARGS(task, hdr),
921 
922 		TP_STRUCT__entry(
923 			__field(dev_t, dev)
924 			__field(u32, fhandle)
925 			__field(u64, fileid)
926 			__field(loff_t, offset)
927 			__field(u32, arg_count)
928 			__field(u32, res_count)
929 			__field(bool, eof)
930 			__field(int, status)
931 		),
932 
933 		TP_fast_assign(
934 			const struct inode *inode = hdr->inode;
935 			const struct nfs_inode *nfsi = NFS_I(inode);
936 			const struct nfs_fh *fh = hdr->args.fh ?
937 						  hdr->args.fh : &nfsi->fh;
938 
939 			__entry->status = task->tk_status;
940 			__entry->offset = hdr->args.offset;
941 			__entry->arg_count = hdr->args.count;
942 			__entry->res_count = hdr->res.count;
943 			__entry->eof = hdr->res.eof;
944 			__entry->dev = inode->i_sb->s_dev;
945 			__entry->fileid = nfsi->fileid;
946 			__entry->fhandle = nfs_fhandle_hash(fh);
947 		),
948 
949 		TP_printk(
950 			"fileid=%02x:%02x:%llu fhandle=0x%08x "
951 			"offset=%lld count=%u res=%u status=%d%s",
952 			MAJOR(__entry->dev), MINOR(__entry->dev),
953 			(unsigned long long)__entry->fileid,
954 			__entry->fhandle,
955 			(long long)__entry->offset, __entry->arg_count,
956 			__entry->res_count, __entry->status,
957 			__entry->eof ? " eof" : ""
958 		)
959 );
960 
961 TRACE_EVENT(nfs_readpage_short,
962 		TP_PROTO(
963 			const struct rpc_task *task,
964 			const struct nfs_pgio_header *hdr
965 		),
966 
967 		TP_ARGS(task, hdr),
968 
969 		TP_STRUCT__entry(
970 			__field(dev_t, dev)
971 			__field(u32, fhandle)
972 			__field(u64, fileid)
973 			__field(loff_t, offset)
974 			__field(u32, arg_count)
975 			__field(u32, res_count)
976 			__field(bool, eof)
977 			__field(int, status)
978 		),
979 
980 		TP_fast_assign(
981 			const struct inode *inode = hdr->inode;
982 			const struct nfs_inode *nfsi = NFS_I(inode);
983 			const struct nfs_fh *fh = hdr->args.fh ?
984 						  hdr->args.fh : &nfsi->fh;
985 
986 			__entry->status = task->tk_status;
987 			__entry->offset = hdr->args.offset;
988 			__entry->arg_count = hdr->args.count;
989 			__entry->res_count = hdr->res.count;
990 			__entry->eof = hdr->res.eof;
991 			__entry->dev = inode->i_sb->s_dev;
992 			__entry->fileid = nfsi->fileid;
993 			__entry->fhandle = nfs_fhandle_hash(fh);
994 		),
995 
996 		TP_printk(
997 			"fileid=%02x:%02x:%llu fhandle=0x%08x "
998 			"offset=%lld count=%u res=%u status=%d%s",
999 			MAJOR(__entry->dev), MINOR(__entry->dev),
1000 			(unsigned long long)__entry->fileid,
1001 			__entry->fhandle,
1002 			(long long)__entry->offset, __entry->arg_count,
1003 			__entry->res_count, __entry->status,
1004 			__entry->eof ? " eof" : ""
1005 		)
1006 );
1007 
1008 TRACE_EVENT(nfs_pgio_error,
1009 	TP_PROTO(
1010 		const struct nfs_pgio_header *hdr,
1011 		int error,
1012 		loff_t pos
1013 	),
1014 
1015 	TP_ARGS(hdr, error, pos),
1016 
1017 	TP_STRUCT__entry(
1018 		__field(dev_t, dev)
1019 		__field(u32, fhandle)
1020 		__field(u64, fileid)
1021 		__field(loff_t, offset)
1022 		__field(u32, arg_count)
1023 		__field(u32, res_count)
1024 		__field(loff_t, pos)
1025 		__field(int, status)
1026 	),
1027 
1028 	TP_fast_assign(
1029 		const struct inode *inode = hdr->inode;
1030 		const struct nfs_inode *nfsi = NFS_I(inode);
1031 		const struct nfs_fh *fh = hdr->args.fh ?
1032 					  hdr->args.fh : &nfsi->fh;
1033 
1034 		__entry->status = error;
1035 		__entry->offset = hdr->args.offset;
1036 		__entry->arg_count = hdr->args.count;
1037 		__entry->res_count = hdr->res.count;
1038 		__entry->dev = inode->i_sb->s_dev;
1039 		__entry->fileid = nfsi->fileid;
1040 		__entry->fhandle = nfs_fhandle_hash(fh);
1041 	),
1042 
1043 	TP_printk("fileid=%02x:%02x:%llu fhandle=0x%08x "
1044 		  "offset=%lld count=%u res=%u pos=%llu status=%d",
1045 		MAJOR(__entry->dev), MINOR(__entry->dev),
1046 		(unsigned long long)__entry->fileid, __entry->fhandle,
1047 		(long long)__entry->offset, __entry->arg_count, __entry->res_count,
1048 		__entry->pos, __entry->status
1049 	)
1050 );
1051 
1052 TRACE_DEFINE_ENUM(NFS_UNSTABLE);
1053 TRACE_DEFINE_ENUM(NFS_DATA_SYNC);
1054 TRACE_DEFINE_ENUM(NFS_FILE_SYNC);
1055 
1056 #define nfs_show_stable(stable) \
1057 	__print_symbolic(stable, \
1058 			{ NFS_UNSTABLE, "UNSTABLE" }, \
1059 			{ NFS_DATA_SYNC, "DATA_SYNC" }, \
1060 			{ NFS_FILE_SYNC, "FILE_SYNC" })
1061 
1062 TRACE_EVENT(nfs_initiate_write,
1063 		TP_PROTO(
1064 			const struct nfs_pgio_header *hdr
1065 		),
1066 
1067 		TP_ARGS(hdr),
1068 
1069 		TP_STRUCT__entry(
1070 			__field(dev_t, dev)
1071 			__field(u32, fhandle)
1072 			__field(u64, fileid)
1073 			__field(loff_t, offset)
1074 			__field(u32, count)
1075 			__field(enum nfs3_stable_how, stable)
1076 		),
1077 
1078 		TP_fast_assign(
1079 			const struct inode *inode = hdr->inode;
1080 			const struct nfs_inode *nfsi = NFS_I(inode);
1081 			const struct nfs_fh *fh = hdr->args.fh ?
1082 						  hdr->args.fh : &nfsi->fh;
1083 
1084 			__entry->offset = hdr->args.offset;
1085 			__entry->count = hdr->args.count;
1086 			__entry->stable = hdr->args.stable;
1087 			__entry->dev = inode->i_sb->s_dev;
1088 			__entry->fileid = nfsi->fileid;
1089 			__entry->fhandle = nfs_fhandle_hash(fh);
1090 		),
1091 
1092 		TP_printk(
1093 			"fileid=%02x:%02x:%llu fhandle=0x%08x "
1094 			"offset=%lld count=%u stable=%s",
1095 			MAJOR(__entry->dev), MINOR(__entry->dev),
1096 			(unsigned long long)__entry->fileid,
1097 			__entry->fhandle,
1098 			(long long)__entry->offset, __entry->count,
1099 			nfs_show_stable(__entry->stable)
1100 		)
1101 );
1102 
1103 TRACE_EVENT(nfs_writeback_done,
1104 		TP_PROTO(
1105 			const struct rpc_task *task,
1106 			const struct nfs_pgio_header *hdr
1107 		),
1108 
1109 		TP_ARGS(task, hdr),
1110 
1111 		TP_STRUCT__entry(
1112 			__field(dev_t, dev)
1113 			__field(u32, fhandle)
1114 			__field(u64, fileid)
1115 			__field(loff_t, offset)
1116 			__field(u32, arg_count)
1117 			__field(u32, res_count)
1118 			__field(int, status)
1119 			__field(enum nfs3_stable_how, stable)
1120 			__array(char, verifier, NFS4_VERIFIER_SIZE)
1121 		),
1122 
1123 		TP_fast_assign(
1124 			const struct inode *inode = hdr->inode;
1125 			const struct nfs_inode *nfsi = NFS_I(inode);
1126 			const struct nfs_fh *fh = hdr->args.fh ?
1127 						  hdr->args.fh : &nfsi->fh;
1128 			const struct nfs_writeverf *verf = hdr->res.verf;
1129 
1130 			__entry->status = task->tk_status;
1131 			__entry->offset = hdr->args.offset;
1132 			__entry->arg_count = hdr->args.count;
1133 			__entry->res_count = hdr->res.count;
1134 			__entry->stable = verf->committed;
1135 			memcpy(__entry->verifier,
1136 				&verf->verifier,
1137 				NFS4_VERIFIER_SIZE);
1138 			__entry->dev = inode->i_sb->s_dev;
1139 			__entry->fileid = nfsi->fileid;
1140 			__entry->fhandle = nfs_fhandle_hash(fh);
1141 		),
1142 
1143 		TP_printk(
1144 			"fileid=%02x:%02x:%llu fhandle=0x%08x "
1145 			"offset=%lld count=%u res=%u status=%d stable=%s "
1146 			"verifier=%s",
1147 			MAJOR(__entry->dev), MINOR(__entry->dev),
1148 			(unsigned long long)__entry->fileid,
1149 			__entry->fhandle,
1150 			(long long)__entry->offset, __entry->arg_count,
1151 			__entry->res_count, __entry->status,
1152 			nfs_show_stable(__entry->stable),
1153 			__print_hex_str(__entry->verifier, NFS4_VERIFIER_SIZE)
1154 		)
1155 );
1156 
1157 DECLARE_EVENT_CLASS(nfs_page_error_class,
1158 		TP_PROTO(
1159 			const struct nfs_page *req,
1160 			int error
1161 		),
1162 
1163 		TP_ARGS(req, error),
1164 
1165 		TP_STRUCT__entry(
1166 			__field(const void *, req)
1167 			__field(pgoff_t, index)
1168 			__field(unsigned int, offset)
1169 			__field(unsigned int, pgbase)
1170 			__field(unsigned int, bytes)
1171 			__field(int, error)
1172 		),
1173 
1174 		TP_fast_assign(
1175 			__entry->req = req;
1176 			__entry->index = req->wb_index;
1177 			__entry->offset = req->wb_offset;
1178 			__entry->pgbase = req->wb_pgbase;
1179 			__entry->bytes = req->wb_bytes;
1180 			__entry->error = error;
1181 		),
1182 
1183 		TP_printk(
1184 			"req=%p index=%lu offset=%u pgbase=%u bytes=%u error=%d",
1185 			__entry->req, __entry->index, __entry->offset,
1186 			__entry->pgbase, __entry->bytes, __entry->error
1187 		)
1188 );
1189 
1190 #define DEFINE_NFS_PAGEERR_EVENT(name) \
1191 	DEFINE_EVENT(nfs_page_error_class, name, \
1192 			TP_PROTO( \
1193 				const struct nfs_page *req, \
1194 				int error \
1195 			), \
1196 			TP_ARGS(req, error))
1197 
1198 DEFINE_NFS_PAGEERR_EVENT(nfs_write_error);
1199 DEFINE_NFS_PAGEERR_EVENT(nfs_comp_error);
1200 DEFINE_NFS_PAGEERR_EVENT(nfs_commit_error);
1201 
1202 TRACE_EVENT(nfs_initiate_commit,
1203 		TP_PROTO(
1204 			const struct nfs_commit_data *data
1205 		),
1206 
1207 		TP_ARGS(data),
1208 
1209 		TP_STRUCT__entry(
1210 			__field(dev_t, dev)
1211 			__field(u32, fhandle)
1212 			__field(u64, fileid)
1213 			__field(loff_t, offset)
1214 			__field(u32, count)
1215 		),
1216 
1217 		TP_fast_assign(
1218 			const struct inode *inode = data->inode;
1219 			const struct nfs_inode *nfsi = NFS_I(inode);
1220 			const struct nfs_fh *fh = data->args.fh ?
1221 						  data->args.fh : &nfsi->fh;
1222 
1223 			__entry->offset = data->args.offset;
1224 			__entry->count = data->args.count;
1225 			__entry->dev = inode->i_sb->s_dev;
1226 			__entry->fileid = nfsi->fileid;
1227 			__entry->fhandle = nfs_fhandle_hash(fh);
1228 		),
1229 
1230 		TP_printk(
1231 			"fileid=%02x:%02x:%llu fhandle=0x%08x "
1232 			"offset=%lld count=%u",
1233 			MAJOR(__entry->dev), MINOR(__entry->dev),
1234 			(unsigned long long)__entry->fileid,
1235 			__entry->fhandle,
1236 			(long long)__entry->offset, __entry->count
1237 		)
1238 );
1239 
1240 TRACE_EVENT(nfs_commit_done,
1241 		TP_PROTO(
1242 			const struct rpc_task *task,
1243 			const struct nfs_commit_data *data
1244 		),
1245 
1246 		TP_ARGS(task, data),
1247 
1248 		TP_STRUCT__entry(
1249 			__field(dev_t, dev)
1250 			__field(u32, fhandle)
1251 			__field(u64, fileid)
1252 			__field(loff_t, offset)
1253 			__field(int, status)
1254 			__field(enum nfs3_stable_how, stable)
1255 			__array(char, verifier, NFS4_VERIFIER_SIZE)
1256 		),
1257 
1258 		TP_fast_assign(
1259 			const struct inode *inode = data->inode;
1260 			const struct nfs_inode *nfsi = NFS_I(inode);
1261 			const struct nfs_fh *fh = data->args.fh ?
1262 						  data->args.fh : &nfsi->fh;
1263 			const struct nfs_writeverf *verf = data->res.verf;
1264 
1265 			__entry->status = task->tk_status;
1266 			__entry->offset = data->args.offset;
1267 			__entry->stable = verf->committed;
1268 			memcpy(__entry->verifier,
1269 				&verf->verifier,
1270 				NFS4_VERIFIER_SIZE);
1271 			__entry->dev = inode->i_sb->s_dev;
1272 			__entry->fileid = nfsi->fileid;
1273 			__entry->fhandle = nfs_fhandle_hash(fh);
1274 		),
1275 
1276 		TP_printk(
1277 			"fileid=%02x:%02x:%llu fhandle=0x%08x "
1278 			"offset=%lld status=%d stable=%s verifier=%s",
1279 			MAJOR(__entry->dev), MINOR(__entry->dev),
1280 			(unsigned long long)__entry->fileid,
1281 			__entry->fhandle,
1282 			(long long)__entry->offset, __entry->status,
1283 			nfs_show_stable(__entry->stable),
1284 			__print_hex_str(__entry->verifier, NFS4_VERIFIER_SIZE)
1285 		)
1286 );
1287 
1288 TRACE_EVENT(nfs_fh_to_dentry,
1289 		TP_PROTO(
1290 			const struct super_block *sb,
1291 			const struct nfs_fh *fh,
1292 			u64 fileid,
1293 			int error
1294 		),
1295 
1296 		TP_ARGS(sb, fh, fileid, error),
1297 
1298 		TP_STRUCT__entry(
1299 			__field(int, error)
1300 			__field(dev_t, dev)
1301 			__field(u32, fhandle)
1302 			__field(u64, fileid)
1303 		),
1304 
1305 		TP_fast_assign(
1306 			__entry->error = error;
1307 			__entry->dev = sb->s_dev;
1308 			__entry->fileid = fileid;
1309 			__entry->fhandle = nfs_fhandle_hash(fh);
1310 		),
1311 
1312 		TP_printk(
1313 			"error=%d fileid=%02x:%02x:%llu fhandle=0x%08x ",
1314 			__entry->error,
1315 			MAJOR(__entry->dev), MINOR(__entry->dev),
1316 			(unsigned long long)__entry->fileid,
1317 			__entry->fhandle
1318 		)
1319 );
1320 
1321 TRACE_DEFINE_ENUM(NFS_OK);
1322 TRACE_DEFINE_ENUM(NFSERR_PERM);
1323 TRACE_DEFINE_ENUM(NFSERR_NOENT);
1324 TRACE_DEFINE_ENUM(NFSERR_IO);
1325 TRACE_DEFINE_ENUM(NFSERR_NXIO);
1326 TRACE_DEFINE_ENUM(ECHILD);
1327 TRACE_DEFINE_ENUM(NFSERR_EAGAIN);
1328 TRACE_DEFINE_ENUM(NFSERR_ACCES);
1329 TRACE_DEFINE_ENUM(NFSERR_EXIST);
1330 TRACE_DEFINE_ENUM(NFSERR_XDEV);
1331 TRACE_DEFINE_ENUM(NFSERR_NODEV);
1332 TRACE_DEFINE_ENUM(NFSERR_NOTDIR);
1333 TRACE_DEFINE_ENUM(NFSERR_ISDIR);
1334 TRACE_DEFINE_ENUM(NFSERR_INVAL);
1335 TRACE_DEFINE_ENUM(NFSERR_FBIG);
1336 TRACE_DEFINE_ENUM(NFSERR_NOSPC);
1337 TRACE_DEFINE_ENUM(NFSERR_ROFS);
1338 TRACE_DEFINE_ENUM(NFSERR_MLINK);
1339 TRACE_DEFINE_ENUM(NFSERR_OPNOTSUPP);
1340 TRACE_DEFINE_ENUM(NFSERR_NAMETOOLONG);
1341 TRACE_DEFINE_ENUM(NFSERR_NOTEMPTY);
1342 TRACE_DEFINE_ENUM(NFSERR_DQUOT);
1343 TRACE_DEFINE_ENUM(NFSERR_STALE);
1344 TRACE_DEFINE_ENUM(NFSERR_REMOTE);
1345 TRACE_DEFINE_ENUM(NFSERR_WFLUSH);
1346 TRACE_DEFINE_ENUM(NFSERR_BADHANDLE);
1347 TRACE_DEFINE_ENUM(NFSERR_NOT_SYNC);
1348 TRACE_DEFINE_ENUM(NFSERR_BAD_COOKIE);
1349 TRACE_DEFINE_ENUM(NFSERR_NOTSUPP);
1350 TRACE_DEFINE_ENUM(NFSERR_TOOSMALL);
1351 TRACE_DEFINE_ENUM(NFSERR_SERVERFAULT);
1352 TRACE_DEFINE_ENUM(NFSERR_BADTYPE);
1353 TRACE_DEFINE_ENUM(NFSERR_JUKEBOX);
1354 
1355 #define nfs_show_status(x) \
1356 	__print_symbolic(x, \
1357 			{ NFS_OK, "OK" }, \
1358 			{ NFSERR_PERM, "PERM" }, \
1359 			{ NFSERR_NOENT, "NOENT" }, \
1360 			{ NFSERR_IO, "IO" }, \
1361 			{ NFSERR_NXIO, "NXIO" }, \
1362 			{ ECHILD, "CHILD" }, \
1363 			{ NFSERR_EAGAIN, "AGAIN" }, \
1364 			{ NFSERR_ACCES, "ACCES" }, \
1365 			{ NFSERR_EXIST, "EXIST" }, \
1366 			{ NFSERR_XDEV, "XDEV" }, \
1367 			{ NFSERR_NODEV, "NODEV" }, \
1368 			{ NFSERR_NOTDIR, "NOTDIR" }, \
1369 			{ NFSERR_ISDIR, "ISDIR" }, \
1370 			{ NFSERR_INVAL, "INVAL" }, \
1371 			{ NFSERR_FBIG, "FBIG" }, \
1372 			{ NFSERR_NOSPC, "NOSPC" }, \
1373 			{ NFSERR_ROFS, "ROFS" }, \
1374 			{ NFSERR_MLINK, "MLINK" }, \
1375 			{ NFSERR_OPNOTSUPP, "OPNOTSUPP" }, \
1376 			{ NFSERR_NAMETOOLONG, "NAMETOOLONG" }, \
1377 			{ NFSERR_NOTEMPTY, "NOTEMPTY" }, \
1378 			{ NFSERR_DQUOT, "DQUOT" }, \
1379 			{ NFSERR_STALE, "STALE" }, \
1380 			{ NFSERR_REMOTE, "REMOTE" }, \
1381 			{ NFSERR_WFLUSH, "WFLUSH" }, \
1382 			{ NFSERR_BADHANDLE, "BADHANDLE" }, \
1383 			{ NFSERR_NOT_SYNC, "NOTSYNC" }, \
1384 			{ NFSERR_BAD_COOKIE, "BADCOOKIE" }, \
1385 			{ NFSERR_NOTSUPP, "NOTSUPP" }, \
1386 			{ NFSERR_TOOSMALL, "TOOSMALL" }, \
1387 			{ NFSERR_SERVERFAULT, "REMOTEIO" }, \
1388 			{ NFSERR_BADTYPE, "BADTYPE" }, \
1389 			{ NFSERR_JUKEBOX, "JUKEBOX" })
1390 
1391 TRACE_EVENT(nfs_xdr_status,
1392 		TP_PROTO(
1393 			const struct xdr_stream *xdr,
1394 			int error
1395 		),
1396 
1397 		TP_ARGS(xdr, error),
1398 
1399 		TP_STRUCT__entry(
1400 			__field(unsigned int, task_id)
1401 			__field(unsigned int, client_id)
1402 			__field(u32, xid)
1403 			__field(int, version)
1404 			__field(unsigned long, error)
1405 			__string(program,
1406 				 xdr->rqst->rq_task->tk_client->cl_program->name)
1407 			__string(procedure,
1408 				 xdr->rqst->rq_task->tk_msg.rpc_proc->p_name)
1409 		),
1410 
1411 		TP_fast_assign(
1412 			const struct rpc_rqst *rqstp = xdr->rqst;
1413 			const struct rpc_task *task = rqstp->rq_task;
1414 
1415 			__entry->task_id = task->tk_pid;
1416 			__entry->client_id = task->tk_client->cl_clid;
1417 			__entry->xid = be32_to_cpu(rqstp->rq_xid);
1418 			__entry->version = task->tk_client->cl_vers;
1419 			__entry->error = error;
1420 			__assign_str(program,
1421 				     task->tk_client->cl_program->name)
1422 			__assign_str(procedure, task->tk_msg.rpc_proc->p_name)
1423 		),
1424 
1425 		TP_printk(
1426 			"task:%u@%d xid=0x%08x %sv%d %s error=%ld (%s)",
1427 			__entry->task_id, __entry->client_id, __entry->xid,
1428 			__get_str(program), __entry->version,
1429 			__get_str(procedure), -__entry->error,
1430 			nfs_show_status(__entry->error)
1431 		)
1432 );
1433 
1434 #endif /* _TRACE_NFS_H */
1435 
1436 #undef TRACE_INCLUDE_PATH
1437 #define TRACE_INCLUDE_PATH .
1438 #define TRACE_INCLUDE_FILE nfstrace
1439 /* This part must be outside protection */
1440 #include <trace/define_trace.h>
1441