xref: /openbmc/linux/include/trace/events/btrfs.h (revision 5cea7647)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #undef TRACE_SYSTEM
3 #define TRACE_SYSTEM btrfs
4 
5 #if !defined(_TRACE_BTRFS_H) || defined(TRACE_HEADER_MULTI_READ)
6 #define _TRACE_BTRFS_H
7 
8 #include <linux/writeback.h>
9 #include <linux/tracepoint.h>
10 #include <trace/events/mmflags.h>
11 
12 struct btrfs_root;
13 struct btrfs_fs_info;
14 struct btrfs_inode;
15 struct extent_map;
16 struct btrfs_file_extent_item;
17 struct btrfs_ordered_extent;
18 struct btrfs_delayed_ref_node;
19 struct btrfs_delayed_tree_ref;
20 struct btrfs_delayed_data_ref;
21 struct btrfs_delayed_ref_head;
22 struct btrfs_block_group_cache;
23 struct btrfs_free_cluster;
24 struct map_lookup;
25 struct extent_buffer;
26 struct btrfs_work;
27 struct __btrfs_workqueue;
28 struct btrfs_qgroup_extent_record;
29 struct btrfs_qgroup;
30 struct prelim_ref;
31 
32 TRACE_DEFINE_ENUM(FLUSH_DELAYED_ITEMS_NR);
33 TRACE_DEFINE_ENUM(FLUSH_DELAYED_ITEMS);
34 TRACE_DEFINE_ENUM(FLUSH_DELALLOC);
35 TRACE_DEFINE_ENUM(FLUSH_DELALLOC_WAIT);
36 TRACE_DEFINE_ENUM(ALLOC_CHUNK);
37 TRACE_DEFINE_ENUM(COMMIT_TRANS);
38 
39 #define show_ref_type(type)						\
40 	__print_symbolic(type,						\
41 		{ BTRFS_TREE_BLOCK_REF_KEY, 	"TREE_BLOCK_REF" },	\
42 		{ BTRFS_EXTENT_DATA_REF_KEY, 	"EXTENT_DATA_REF" },	\
43 		{ BTRFS_EXTENT_REF_V0_KEY, 	"EXTENT_REF_V0" },	\
44 		{ BTRFS_SHARED_BLOCK_REF_KEY, 	"SHARED_BLOCK_REF" },	\
45 		{ BTRFS_SHARED_DATA_REF_KEY, 	"SHARED_DATA_REF" })
46 
47 #define __show_root_type(obj)						\
48 	__print_symbolic_u64(obj,					\
49 		{ BTRFS_ROOT_TREE_OBJECTID, 	"ROOT_TREE"	},	\
50 		{ BTRFS_EXTENT_TREE_OBJECTID, 	"EXTENT_TREE"	},	\
51 		{ BTRFS_CHUNK_TREE_OBJECTID, 	"CHUNK_TREE"	},	\
52 		{ BTRFS_DEV_TREE_OBJECTID, 	"DEV_TREE"	},	\
53 		{ BTRFS_FS_TREE_OBJECTID, 	"FS_TREE"	},	\
54 		{ BTRFS_ROOT_TREE_DIR_OBJECTID, "ROOT_TREE_DIR"	},	\
55 		{ BTRFS_CSUM_TREE_OBJECTID, 	"CSUM_TREE"	},	\
56 		{ BTRFS_TREE_LOG_OBJECTID,	"TREE_LOG"	},	\
57 		{ BTRFS_QUOTA_TREE_OBJECTID,	"QUOTA_TREE"	},	\
58 		{ BTRFS_TREE_RELOC_OBJECTID,	"TREE_RELOC"	},	\
59 		{ BTRFS_UUID_TREE_OBJECTID,	"UUID_TREE"	},	\
60 		{ BTRFS_FREE_SPACE_TREE_OBJECTID, "FREE_SPACE_TREE" },	\
61 		{ BTRFS_DATA_RELOC_TREE_OBJECTID, "DATA_RELOC_TREE" })
62 
63 #define show_root_type(obj)						\
64 	obj, ((obj >= BTRFS_DATA_RELOC_TREE_OBJECTID) ||		\
65 	      (obj >= BTRFS_ROOT_TREE_OBJECTID &&			\
66 	       obj <= BTRFS_QUOTA_TREE_OBJECTID)) ? __show_root_type(obj) : "-"
67 
68 #define show_fi_type(type)						\
69 	__print_symbolic(type,						\
70 		 { BTRFS_FILE_EXTENT_INLINE,	"INLINE" },		\
71 		 { BTRFS_FILE_EXTENT_REG,	"REG"	 },		\
72 		 { BTRFS_FILE_EXTENT_PREALLOC,	"PREALLOC"})
73 
74 #define BTRFS_GROUP_FLAGS	\
75 	{ BTRFS_BLOCK_GROUP_DATA,	"DATA"},	\
76 	{ BTRFS_BLOCK_GROUP_SYSTEM,	"SYSTEM"},	\
77 	{ BTRFS_BLOCK_GROUP_METADATA,	"METADATA"},	\
78 	{ BTRFS_BLOCK_GROUP_RAID0,	"RAID0"}, 	\
79 	{ BTRFS_BLOCK_GROUP_RAID1,	"RAID1"}, 	\
80 	{ BTRFS_BLOCK_GROUP_DUP,	"DUP"}, 	\
81 	{ BTRFS_BLOCK_GROUP_RAID10,	"RAID10"}, 	\
82 	{ BTRFS_BLOCK_GROUP_RAID5,	"RAID5"},	\
83 	{ BTRFS_BLOCK_GROUP_RAID6,	"RAID6"}
84 
85 #define BTRFS_FSID_SIZE 16
86 #define TP_STRUCT__entry_fsid __array(u8, fsid, BTRFS_FSID_SIZE)
87 
88 #define TP_fast_assign_fsid(fs_info)					\
89 	memcpy(__entry->fsid, fs_info->fsid, BTRFS_FSID_SIZE)
90 
91 #define TP_STRUCT__entry_btrfs(args...)					\
92 	TP_STRUCT__entry(						\
93 		TP_STRUCT__entry_fsid					\
94 		args)
95 #define TP_fast_assign_btrfs(fs_info, args...)				\
96 	TP_fast_assign(							\
97 		TP_fast_assign_fsid(fs_info);				\
98 		args)
99 #define TP_printk_btrfs(fmt, args...) \
100 	TP_printk("%pU: " fmt, __entry->fsid, args)
101 
102 TRACE_EVENT(btrfs_transaction_commit,
103 
104 	TP_PROTO(const struct btrfs_root *root),
105 
106 	TP_ARGS(root),
107 
108 	TP_STRUCT__entry_btrfs(
109 		__field(	u64,  generation		)
110 		__field(	u64,  root_objectid		)
111 	),
112 
113 	TP_fast_assign_btrfs(root->fs_info,
114 		__entry->generation	= root->fs_info->generation;
115 		__entry->root_objectid	= root->root_key.objectid;
116 	),
117 
118 	TP_printk_btrfs("root = %llu(%s), gen = %llu",
119 		  show_root_type(__entry->root_objectid),
120 		  (unsigned long long)__entry->generation)
121 );
122 
123 DECLARE_EVENT_CLASS(btrfs__inode,
124 
125 	TP_PROTO(const struct inode *inode),
126 
127 	TP_ARGS(inode),
128 
129 	TP_STRUCT__entry_btrfs(
130 		__field(	ino_t,  ino			)
131 		__field(	blkcnt_t,  blocks		)
132 		__field(	u64,  disk_i_size		)
133 		__field(	u64,  generation		)
134 		__field(	u64,  last_trans		)
135 		__field(	u64,  logged_trans		)
136 		__field(	u64,  root_objectid		)
137 	),
138 
139 	TP_fast_assign_btrfs(btrfs_sb(inode->i_sb),
140 		__entry->ino	= inode->i_ino;
141 		__entry->blocks	= inode->i_blocks;
142 		__entry->disk_i_size  = BTRFS_I(inode)->disk_i_size;
143 		__entry->generation = BTRFS_I(inode)->generation;
144 		__entry->last_trans = BTRFS_I(inode)->last_trans;
145 		__entry->logged_trans = BTRFS_I(inode)->logged_trans;
146 		__entry->root_objectid =
147 				BTRFS_I(inode)->root->root_key.objectid;
148 	),
149 
150 	TP_printk_btrfs("root=%llu(%s) gen=%llu ino=%lu blocks=%llu "
151 		  "disk_i_size=%llu last_trans=%llu logged_trans=%llu",
152 		  show_root_type(__entry->root_objectid),
153 		  (unsigned long long)__entry->generation,
154 		  (unsigned long)__entry->ino,
155 		  (unsigned long long)__entry->blocks,
156 		  (unsigned long long)__entry->disk_i_size,
157 		  (unsigned long long)__entry->last_trans,
158 		  (unsigned long long)__entry->logged_trans)
159 );
160 
161 DEFINE_EVENT(btrfs__inode, btrfs_inode_new,
162 
163 	TP_PROTO(const struct inode *inode),
164 
165 	TP_ARGS(inode)
166 );
167 
168 DEFINE_EVENT(btrfs__inode, btrfs_inode_request,
169 
170 	TP_PROTO(const struct inode *inode),
171 
172 	TP_ARGS(inode)
173 );
174 
175 DEFINE_EVENT(btrfs__inode, btrfs_inode_evict,
176 
177 	TP_PROTO(const struct inode *inode),
178 
179 	TP_ARGS(inode)
180 );
181 
182 #define __show_map_type(type)						\
183 	__print_symbolic_u64(type,					\
184 		{ EXTENT_MAP_LAST_BYTE, "LAST_BYTE" 	},		\
185 		{ EXTENT_MAP_HOLE, 	"HOLE" 		},		\
186 		{ EXTENT_MAP_INLINE, 	"INLINE" 	},		\
187 		{ EXTENT_MAP_DELALLOC,	"DELALLOC" 	})
188 
189 #define show_map_type(type)			\
190 	type, (type >= EXTENT_MAP_LAST_BYTE) ? "-" :  __show_map_type(type)
191 
192 #define show_map_flags(flag)						\
193 	__print_flags(flag, "|",					\
194 		{ (1 << EXTENT_FLAG_PINNED), 		"PINNED" 	},\
195 		{ (1 << EXTENT_FLAG_COMPRESSED), 	"COMPRESSED" 	},\
196 		{ (1 << EXTENT_FLAG_VACANCY), 		"VACANCY" 	},\
197 		{ (1 << EXTENT_FLAG_PREALLOC), 		"PREALLOC" 	},\
198 		{ (1 << EXTENT_FLAG_LOGGING),	 	"LOGGING" 	},\
199 		{ (1 << EXTENT_FLAG_FILLING),	 	"FILLING" 	},\
200 		{ (1 << EXTENT_FLAG_FS_MAPPING),	"FS_MAPPING"	})
201 
202 TRACE_EVENT_CONDITION(btrfs_get_extent,
203 
204 	TP_PROTO(const struct btrfs_root *root, const struct btrfs_inode *inode,
205 		 const struct extent_map *map),
206 
207 	TP_ARGS(root, inode, map),
208 
209 	TP_CONDITION(map),
210 
211 	TP_STRUCT__entry_btrfs(
212 		__field(	u64,  root_objectid	)
213 		__field(	u64,  ino		)
214 		__field(	u64,  start		)
215 		__field(	u64,  len		)
216 		__field(	u64,  orig_start	)
217 		__field(	u64,  block_start	)
218 		__field(	u64,  block_len		)
219 		__field(	unsigned long,  flags	)
220 		__field(	int,  refs		)
221 		__field(	unsigned int,  compress_type	)
222 	),
223 
224 	TP_fast_assign_btrfs(root->fs_info,
225 		__entry->root_objectid	= root->root_key.objectid;
226 		__entry->ino		= btrfs_ino(inode);
227 		__entry->start		= map->start;
228 		__entry->len		= map->len;
229 		__entry->orig_start	= map->orig_start;
230 		__entry->block_start	= map->block_start;
231 		__entry->block_len	= map->block_len;
232 		__entry->flags		= map->flags;
233 		__entry->refs		= refcount_read(&map->refs);
234 		__entry->compress_type	= map->compress_type;
235 	),
236 
237 	TP_printk_btrfs("root=%llu(%s) ino=%llu start=%llu len=%llu "
238 		  "orig_start=%llu block_start=%llu(%s) "
239 		  "block_len=%llu flags=%s refs=%u "
240 		  "compress_type=%u",
241 		  show_root_type(__entry->root_objectid),
242 		  (unsigned long long)__entry->ino,
243 		  (unsigned long long)__entry->start,
244 		  (unsigned long long)__entry->len,
245 		  (unsigned long long)__entry->orig_start,
246 		  show_map_type(__entry->block_start),
247 		  (unsigned long long)__entry->block_len,
248 		  show_map_flags(__entry->flags),
249 		  __entry->refs, __entry->compress_type)
250 );
251 
252 /* file extent item */
253 DECLARE_EVENT_CLASS(btrfs__file_extent_item_regular,
254 
255 	TP_PROTO(struct btrfs_inode *bi, struct extent_buffer *l,
256 		 struct btrfs_file_extent_item *fi, u64 start),
257 
258 	TP_ARGS(bi, l, fi, start),
259 
260 	TP_STRUCT__entry_btrfs(
261 		__field(	u64,	root_obj	)
262 		__field(	u64,	ino		)
263 		__field(	loff_t,	isize		)
264 		__field(	u64,	disk_isize	)
265 		__field(	u64,	num_bytes	)
266 		__field(	u64,	ram_bytes	)
267 		__field(	u64,	disk_bytenr	)
268 		__field(	u64,	disk_num_bytes	)
269 		__field(	u64,	extent_offset	)
270 		__field(	u8,	extent_type	)
271 		__field(	u8,	compression	)
272 		__field(	u64,	extent_start	)
273 		__field(	u64,	extent_end	)
274 	),
275 
276 	TP_fast_assign_btrfs(bi->root->fs_info,
277 		__entry->root_obj	= bi->root->objectid;
278 		__entry->ino		= btrfs_ino(bi);
279 		__entry->isize		= bi->vfs_inode.i_size;
280 		__entry->disk_isize	= bi->disk_i_size;
281 		__entry->num_bytes	= btrfs_file_extent_num_bytes(l, fi);
282 		__entry->ram_bytes	= btrfs_file_extent_ram_bytes(l, fi);
283 		__entry->disk_bytenr	= btrfs_file_extent_disk_bytenr(l, fi);
284 		__entry->disk_num_bytes	= btrfs_file_extent_disk_num_bytes(l, fi);
285 		__entry->extent_offset	= btrfs_file_extent_offset(l, fi);
286 		__entry->extent_type	= btrfs_file_extent_type(l, fi);
287 		__entry->compression	= btrfs_file_extent_compression(l, fi);
288 		__entry->extent_start	= start;
289 		__entry->extent_end	= (start + __entry->num_bytes);
290 	),
291 
292 	TP_printk_btrfs(
293 		"root=%llu(%s) inode=%llu size=%llu disk_isize=%llu "
294 		"file extent range=[%llu %llu] "
295 		"(num_bytes=%llu ram_bytes=%llu disk_bytenr=%llu "
296 		"disk_num_bytes=%llu extent_offset=%llu type=%s "
297 		"compression=%u",
298 		show_root_type(__entry->root_obj), __entry->ino,
299 		__entry->isize,
300 		__entry->disk_isize, __entry->extent_start,
301 		__entry->extent_end, __entry->num_bytes, __entry->ram_bytes,
302 		__entry->disk_bytenr, __entry->disk_num_bytes,
303 		__entry->extent_offset, show_fi_type(__entry->extent_type),
304 		__entry->compression)
305 );
306 
307 DECLARE_EVENT_CLASS(
308 	btrfs__file_extent_item_inline,
309 
310 	TP_PROTO(struct btrfs_inode *bi, struct extent_buffer *l,
311 		 struct btrfs_file_extent_item *fi, int slot, u64 start),
312 
313 	TP_ARGS(bi, l, fi, slot,  start),
314 
315 	TP_STRUCT__entry_btrfs(
316 		__field(	u64,	root_obj	)
317 		__field(	u64,	ino		)
318 		__field(	loff_t,	isize		)
319 		__field(	u64,	disk_isize	)
320 		__field(	u8,	extent_type	)
321 		__field(	u8,	compression	)
322 		__field(	u64,	extent_start	)
323 		__field(	u64,	extent_end	)
324 	),
325 
326 	TP_fast_assign_btrfs(
327 		bi->root->fs_info,
328 		__entry->root_obj	= bi->root->objectid;
329 		__entry->ino		= btrfs_ino(bi);
330 		__entry->isize		= bi->vfs_inode.i_size;
331 		__entry->disk_isize	= bi->disk_i_size;
332 		__entry->extent_type	= btrfs_file_extent_type(l, fi);
333 		__entry->compression	= btrfs_file_extent_compression(l, fi);
334 		__entry->extent_start	= start;
335 		__entry->extent_end	= (start + btrfs_file_extent_inline_len(l, slot, fi));
336 	),
337 
338 	TP_printk_btrfs(
339 		"root=%llu(%s) inode=%llu size=%llu disk_isize=%llu "
340 		"file extent range=[%llu %llu] "
341 		"extent_type=%s compression=%u",
342 		show_root_type(__entry->root_obj), __entry->ino, __entry->isize,
343 		__entry->disk_isize, __entry->extent_start,
344 		__entry->extent_end, show_fi_type(__entry->extent_type),
345 		__entry->compression)
346 );
347 
348 DEFINE_EVENT(
349 	btrfs__file_extent_item_regular, btrfs_get_extent_show_fi_regular,
350 
351 	TP_PROTO(struct btrfs_inode *bi, struct extent_buffer *l,
352 		 struct btrfs_file_extent_item *fi, u64 start),
353 
354 	TP_ARGS(bi, l, fi, start)
355 );
356 
357 DEFINE_EVENT(
358 	btrfs__file_extent_item_regular, btrfs_truncate_show_fi_regular,
359 
360 	TP_PROTO(struct btrfs_inode *bi, struct extent_buffer *l,
361 		 struct btrfs_file_extent_item *fi, u64 start),
362 
363 	TP_ARGS(bi, l, fi, start)
364 );
365 
366 DEFINE_EVENT(
367 	btrfs__file_extent_item_inline, btrfs_get_extent_show_fi_inline,
368 
369 	TP_PROTO(struct btrfs_inode *bi, struct extent_buffer *l,
370 		 struct btrfs_file_extent_item *fi, int slot, u64 start),
371 
372 	TP_ARGS(bi, l, fi, slot, start)
373 );
374 
375 DEFINE_EVENT(
376 	btrfs__file_extent_item_inline, btrfs_truncate_show_fi_inline,
377 
378 	TP_PROTO(struct btrfs_inode *bi, struct extent_buffer *l,
379 		 struct btrfs_file_extent_item *fi, int slot, u64 start),
380 
381 	TP_ARGS(bi, l, fi, slot, start)
382 );
383 
384 #define show_ordered_flags(flags)					   \
385 	__print_flags(flags, "|",					   \
386 		{ (1 << BTRFS_ORDERED_IO_DONE), 	"IO_DONE" 	}, \
387 		{ (1 << BTRFS_ORDERED_COMPLETE), 	"COMPLETE" 	}, \
388 		{ (1 << BTRFS_ORDERED_NOCOW), 		"NOCOW" 	}, \
389 		{ (1 << BTRFS_ORDERED_COMPRESSED), 	"COMPRESSED" 	}, \
390 		{ (1 << BTRFS_ORDERED_PREALLOC), 	"PREALLOC" 	}, \
391 		{ (1 << BTRFS_ORDERED_DIRECT),	 	"DIRECT" 	}, \
392 		{ (1 << BTRFS_ORDERED_IOERR), 		"IOERR" 	}, \
393 		{ (1 << BTRFS_ORDERED_UPDATED_ISIZE), 	"UPDATED_ISIZE"	}, \
394 		{ (1 << BTRFS_ORDERED_LOGGED_CSUM), 	"LOGGED_CSUM"	}, \
395 		{ (1 << BTRFS_ORDERED_TRUNCATED), 	"TRUNCATED"	})
396 
397 
398 DECLARE_EVENT_CLASS(btrfs__ordered_extent,
399 
400 	TP_PROTO(const struct inode *inode,
401 		 const struct btrfs_ordered_extent *ordered),
402 
403 	TP_ARGS(inode, ordered),
404 
405 	TP_STRUCT__entry_btrfs(
406 		__field(	ino_t,  ino		)
407 		__field(	u64,  file_offset	)
408 		__field(	u64,  start		)
409 		__field(	u64,  len		)
410 		__field(	u64,  disk_len		)
411 		__field(	u64,  bytes_left	)
412 		__field(	unsigned long,  flags	)
413 		__field(	int,  compress_type	)
414 		__field(	int,  refs		)
415 		__field(	u64,  root_objectid	)
416 		__field(	u64,  truncated_len	)
417 	),
418 
419 	TP_fast_assign_btrfs(btrfs_sb(inode->i_sb),
420 		__entry->ino 		= inode->i_ino;
421 		__entry->file_offset	= ordered->file_offset;
422 		__entry->start		= ordered->start;
423 		__entry->len		= ordered->len;
424 		__entry->disk_len	= ordered->disk_len;
425 		__entry->bytes_left	= ordered->bytes_left;
426 		__entry->flags		= ordered->flags;
427 		__entry->compress_type	= ordered->compress_type;
428 		__entry->refs		= refcount_read(&ordered->refs);
429 		__entry->root_objectid	=
430 				BTRFS_I(inode)->root->root_key.objectid;
431 		__entry->truncated_len	= ordered->truncated_len;
432 	),
433 
434 	TP_printk_btrfs("root=%llu(%s) ino=%llu file_offset=%llu "
435 		  "start=%llu len=%llu disk_len=%llu "
436 		  "truncated_len=%llu "
437 		  "bytes_left=%llu flags=%s compress_type=%d "
438 		  "refs=%d",
439 		  show_root_type(__entry->root_objectid),
440 		  (unsigned long long)__entry->ino,
441 		  (unsigned long long)__entry->file_offset,
442 		  (unsigned long long)__entry->start,
443 		  (unsigned long long)__entry->len,
444 		  (unsigned long long)__entry->disk_len,
445 		  (unsigned long long)__entry->truncated_len,
446 		  (unsigned long long)__entry->bytes_left,
447 		  show_ordered_flags(__entry->flags),
448 		  __entry->compress_type, __entry->refs)
449 );
450 
451 DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_add,
452 
453 	TP_PROTO(const struct inode *inode,
454 		 const struct btrfs_ordered_extent *ordered),
455 
456 	TP_ARGS(inode, ordered)
457 );
458 
459 DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_remove,
460 
461 	TP_PROTO(const struct inode *inode,
462 		 const struct btrfs_ordered_extent *ordered),
463 
464 	TP_ARGS(inode, ordered)
465 );
466 
467 DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_start,
468 
469 	TP_PROTO(const struct inode *inode,
470 		 const struct btrfs_ordered_extent *ordered),
471 
472 	TP_ARGS(inode, ordered)
473 );
474 
475 DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_put,
476 
477 	TP_PROTO(const struct inode *inode,
478 		 const struct btrfs_ordered_extent *ordered),
479 
480 	TP_ARGS(inode, ordered)
481 );
482 
483 DECLARE_EVENT_CLASS(btrfs__writepage,
484 
485 	TP_PROTO(const struct page *page, const struct inode *inode,
486 		 const struct writeback_control *wbc),
487 
488 	TP_ARGS(page, inode, wbc),
489 
490 	TP_STRUCT__entry_btrfs(
491 		__field(	ino_t,  ino			)
492 		__field(	pgoff_t,  index			)
493 		__field(	long,   nr_to_write		)
494 		__field(	long,   pages_skipped		)
495 		__field(	loff_t, range_start		)
496 		__field(	loff_t, range_end		)
497 		__field(	char,   for_kupdate		)
498 		__field(	char,   for_reclaim		)
499 		__field(	char,   range_cyclic		)
500 		__field(	pgoff_t,  writeback_index	)
501 		__field(	u64,    root_objectid		)
502 	),
503 
504 	TP_fast_assign_btrfs(btrfs_sb(inode->i_sb),
505 		__entry->ino		= inode->i_ino;
506 		__entry->index		= page->index;
507 		__entry->nr_to_write	= wbc->nr_to_write;
508 		__entry->pages_skipped	= wbc->pages_skipped;
509 		__entry->range_start	= wbc->range_start;
510 		__entry->range_end	= wbc->range_end;
511 		__entry->for_kupdate	= wbc->for_kupdate;
512 		__entry->for_reclaim	= wbc->for_reclaim;
513 		__entry->range_cyclic	= wbc->range_cyclic;
514 		__entry->writeback_index = inode->i_mapping->writeback_index;
515 		__entry->root_objectid	=
516 				 BTRFS_I(inode)->root->root_key.objectid;
517 	),
518 
519 	TP_printk_btrfs("root=%llu(%s) ino=%lu page_index=%lu "
520 		  "nr_to_write=%ld pages_skipped=%ld range_start=%llu "
521 		  "range_end=%llu for_kupdate=%d "
522 		  "for_reclaim=%d range_cyclic=%d writeback_index=%lu",
523 		  show_root_type(__entry->root_objectid),
524 		  (unsigned long)__entry->ino, __entry->index,
525 		  __entry->nr_to_write, __entry->pages_skipped,
526 		  __entry->range_start, __entry->range_end,
527 		  __entry->for_kupdate,
528 		  __entry->for_reclaim, __entry->range_cyclic,
529 		  (unsigned long)__entry->writeback_index)
530 );
531 
532 DEFINE_EVENT(btrfs__writepage, __extent_writepage,
533 
534 	TP_PROTO(const struct page *page, const struct inode *inode,
535 		 const struct writeback_control *wbc),
536 
537 	TP_ARGS(page, inode, wbc)
538 );
539 
540 TRACE_EVENT(btrfs_writepage_end_io_hook,
541 
542 	TP_PROTO(const struct page *page, u64 start, u64 end, int uptodate),
543 
544 	TP_ARGS(page, start, end, uptodate),
545 
546 	TP_STRUCT__entry_btrfs(
547 		__field(	ino_t,	 ino		)
548 		__field(	pgoff_t, index		)
549 		__field(	u64,	 start		)
550 		__field(	u64,	 end		)
551 		__field(	int,	 uptodate	)
552 		__field(	u64,    root_objectid	)
553 	),
554 
555 	TP_fast_assign_btrfs(btrfs_sb(page->mapping->host->i_sb),
556 		__entry->ino	= page->mapping->host->i_ino;
557 		__entry->index	= page->index;
558 		__entry->start	= start;
559 		__entry->end	= end;
560 		__entry->uptodate = uptodate;
561 		__entry->root_objectid	=
562 			 BTRFS_I(page->mapping->host)->root->root_key.objectid;
563 	),
564 
565 	TP_printk_btrfs("root=%llu(%s) ino=%lu page_index=%lu start=%llu "
566 		  "end=%llu uptodate=%d",
567 		  show_root_type(__entry->root_objectid),
568 		  (unsigned long)__entry->ino, (unsigned long)__entry->index,
569 		  (unsigned long long)__entry->start,
570 		  (unsigned long long)__entry->end, __entry->uptodate)
571 );
572 
573 TRACE_EVENT(btrfs_sync_file,
574 
575 	TP_PROTO(const struct file *file, int datasync),
576 
577 	TP_ARGS(file, datasync),
578 
579 	TP_STRUCT__entry_btrfs(
580 		__field(	ino_t,  ino		)
581 		__field(	ino_t,  parent		)
582 		__field(	int,    datasync	)
583 		__field(	u64,    root_objectid	)
584 	),
585 
586 	TP_fast_assign(
587 		const struct dentry *dentry = file->f_path.dentry;
588 		const struct inode *inode = d_inode(dentry);
589 
590 		TP_fast_assign_fsid(btrfs_sb(file->f_path.dentry->d_sb));
591 		__entry->ino		= inode->i_ino;
592 		__entry->parent		= d_inode(dentry->d_parent)->i_ino;
593 		__entry->datasync	= datasync;
594 		__entry->root_objectid	=
595 				 BTRFS_I(inode)->root->root_key.objectid;
596 	),
597 
598 	TP_printk_btrfs("root=%llu(%s) ino=%ld parent=%ld datasync=%d",
599 		  show_root_type(__entry->root_objectid),
600 		  (unsigned long)__entry->ino, (unsigned long)__entry->parent,
601 		  __entry->datasync)
602 );
603 
604 TRACE_EVENT(btrfs_sync_fs,
605 
606 	TP_PROTO(const struct btrfs_fs_info *fs_info, int wait),
607 
608 	TP_ARGS(fs_info, wait),
609 
610 	TP_STRUCT__entry_btrfs(
611 		__field(	int,  wait		)
612 	),
613 
614 	TP_fast_assign_btrfs(fs_info,
615 		__entry->wait	= wait;
616 	),
617 
618 	TP_printk_btrfs("wait = %d", __entry->wait)
619 );
620 
621 TRACE_EVENT(btrfs_add_block_group,
622 
623 	TP_PROTO(const struct btrfs_fs_info *fs_info,
624 		 const struct btrfs_block_group_cache *block_group, int create),
625 
626 	TP_ARGS(fs_info, block_group, create),
627 
628 	TP_STRUCT__entry(
629 		__array(	u8,	fsid,	BTRFS_FSID_SIZE	)
630 		__field(	u64,	offset			)
631 		__field(	u64,	size			)
632 		__field(	u64,	flags			)
633 		__field(	u64,	bytes_used		)
634 		__field(	u64,	bytes_super		)
635 		__field(	int,	create			)
636 	),
637 
638 	TP_fast_assign(
639 		memcpy(__entry->fsid, fs_info->fsid, BTRFS_FSID_SIZE);
640 		__entry->offset		= block_group->key.objectid;
641 		__entry->size		= block_group->key.offset;
642 		__entry->flags		= block_group->flags;
643 		__entry->bytes_used	=
644 			btrfs_block_group_used(&block_group->item);
645 		__entry->bytes_super	= block_group->bytes_super;
646 		__entry->create		= create;
647 	),
648 
649 	TP_printk("%pU: block_group offset=%llu size=%llu "
650 		  "flags=%llu(%s) bytes_used=%llu bytes_super=%llu "
651 		  "create=%d", __entry->fsid,
652 		  (unsigned long long)__entry->offset,
653 		  (unsigned long long)__entry->size,
654 		  (unsigned long long)__entry->flags,
655 		  __print_flags((unsigned long)__entry->flags, "|",
656 				BTRFS_GROUP_FLAGS),
657 		  (unsigned long long)__entry->bytes_used,
658 		  (unsigned long long)__entry->bytes_super, __entry->create)
659 );
660 
661 #define show_ref_action(action)						\
662 	__print_symbolic(action,					\
663 		{ BTRFS_ADD_DELAYED_REF,    "ADD_DELAYED_REF" },	\
664 		{ BTRFS_DROP_DELAYED_REF,   "DROP_DELAYED_REF" },	\
665 		{ BTRFS_ADD_DELAYED_EXTENT, "ADD_DELAYED_EXTENT" }, 	\
666 		{ BTRFS_UPDATE_DELAYED_HEAD, "UPDATE_DELAYED_HEAD" })
667 
668 
669 DECLARE_EVENT_CLASS(btrfs_delayed_tree_ref,
670 
671 	TP_PROTO(const struct btrfs_fs_info *fs_info,
672 		 const struct btrfs_delayed_ref_node *ref,
673 		 const struct btrfs_delayed_tree_ref *full_ref,
674 		 int action),
675 
676 	TP_ARGS(fs_info, ref, full_ref, action),
677 
678 	TP_STRUCT__entry_btrfs(
679 		__field(	u64,  bytenr		)
680 		__field(	u64,  num_bytes		)
681 		__field(	int,  action		)
682 		__field(	u64,  parent		)
683 		__field(	u64,  ref_root		)
684 		__field(	int,  level		)
685 		__field(	int,  type		)
686 		__field(	u64,  seq		)
687 	),
688 
689 	TP_fast_assign_btrfs(fs_info,
690 		__entry->bytenr		= ref->bytenr;
691 		__entry->num_bytes	= ref->num_bytes;
692 		__entry->action		= action;
693 		__entry->parent		= full_ref->parent;
694 		__entry->ref_root	= full_ref->root;
695 		__entry->level		= full_ref->level;
696 		__entry->type		= ref->type;
697 		__entry->seq		= ref->seq;
698 	),
699 
700 	TP_printk_btrfs("bytenr=%llu num_bytes=%llu action=%s "
701 		  "parent=%llu(%s) ref_root=%llu(%s) level=%d "
702 		  "type=%s seq=%llu",
703 		  (unsigned long long)__entry->bytenr,
704 		  (unsigned long long)__entry->num_bytes,
705 		  show_ref_action(__entry->action),
706 		  show_root_type(__entry->parent),
707 		  show_root_type(__entry->ref_root),
708 		  __entry->level, show_ref_type(__entry->type),
709 		  (unsigned long long)__entry->seq)
710 );
711 
712 DEFINE_EVENT(btrfs_delayed_tree_ref,  add_delayed_tree_ref,
713 
714 	TP_PROTO(const struct btrfs_fs_info *fs_info,
715 		 const struct btrfs_delayed_ref_node *ref,
716 		 const struct btrfs_delayed_tree_ref *full_ref,
717 		 int action),
718 
719 	TP_ARGS(fs_info, ref, full_ref, action)
720 );
721 
722 DEFINE_EVENT(btrfs_delayed_tree_ref,  run_delayed_tree_ref,
723 
724 	TP_PROTO(const struct btrfs_fs_info *fs_info,
725 		 const struct btrfs_delayed_ref_node *ref,
726 		 const struct btrfs_delayed_tree_ref *full_ref,
727 		 int action),
728 
729 	TP_ARGS(fs_info, ref, full_ref, action)
730 );
731 
732 DECLARE_EVENT_CLASS(btrfs_delayed_data_ref,
733 
734 	TP_PROTO(const struct btrfs_fs_info *fs_info,
735 		 const struct btrfs_delayed_ref_node *ref,
736 		 const struct btrfs_delayed_data_ref *full_ref,
737 		 int action),
738 
739 	TP_ARGS(fs_info, ref, full_ref, action),
740 
741 	TP_STRUCT__entry_btrfs(
742 		__field(	u64,  bytenr		)
743 		__field(	u64,  num_bytes		)
744 		__field(	int,  action		)
745 		__field(	u64,  parent		)
746 		__field(	u64,  ref_root		)
747 		__field(	u64,  owner		)
748 		__field(	u64,  offset		)
749 		__field(	int,  type		)
750 		__field(	u64,  seq		)
751 	),
752 
753 	TP_fast_assign_btrfs(fs_info,
754 		__entry->bytenr		= ref->bytenr;
755 		__entry->num_bytes	= ref->num_bytes;
756 		__entry->action		= action;
757 		__entry->parent		= full_ref->parent;
758 		__entry->ref_root	= full_ref->root;
759 		__entry->owner		= full_ref->objectid;
760 		__entry->offset		= full_ref->offset;
761 		__entry->type		= ref->type;
762 		__entry->seq		= ref->seq;
763 	),
764 
765 	TP_printk_btrfs("bytenr=%llu num_bytes=%llu action=%s "
766 		  "parent=%llu(%s) ref_root=%llu(%s) owner=%llu "
767 		  "offset=%llu type=%s seq=%llu",
768 		  (unsigned long long)__entry->bytenr,
769 		  (unsigned long long)__entry->num_bytes,
770 		  show_ref_action(__entry->action),
771 		  show_root_type(__entry->parent),
772 		  show_root_type(__entry->ref_root),
773 		  (unsigned long long)__entry->owner,
774 		  (unsigned long long)__entry->offset,
775 		  show_ref_type(__entry->type),
776 		  (unsigned long long)__entry->seq)
777 );
778 
779 DEFINE_EVENT(btrfs_delayed_data_ref,  add_delayed_data_ref,
780 
781 	TP_PROTO(const struct btrfs_fs_info *fs_info,
782 		 const struct btrfs_delayed_ref_node *ref,
783 		 const struct btrfs_delayed_data_ref *full_ref,
784 		 int action),
785 
786 	TP_ARGS(fs_info, ref, full_ref, action)
787 );
788 
789 DEFINE_EVENT(btrfs_delayed_data_ref,  run_delayed_data_ref,
790 
791 	TP_PROTO(const struct btrfs_fs_info *fs_info,
792 		 const struct btrfs_delayed_ref_node *ref,
793 		 const struct btrfs_delayed_data_ref *full_ref,
794 		 int action),
795 
796 	TP_ARGS(fs_info, ref, full_ref, action)
797 );
798 
799 DECLARE_EVENT_CLASS(btrfs_delayed_ref_head,
800 
801 	TP_PROTO(const struct btrfs_fs_info *fs_info,
802 		 const struct btrfs_delayed_ref_head *head_ref,
803 		 int action),
804 
805 	TP_ARGS(fs_info, head_ref, action),
806 
807 	TP_STRUCT__entry_btrfs(
808 		__field(	u64,  bytenr		)
809 		__field(	u64,  num_bytes		)
810 		__field(	int,  action		)
811 		__field(	int,  is_data		)
812 	),
813 
814 	TP_fast_assign_btrfs(fs_info,
815 		__entry->bytenr		= head_ref->bytenr;
816 		__entry->num_bytes	= head_ref->num_bytes;
817 		__entry->action		= action;
818 		__entry->is_data	= head_ref->is_data;
819 	),
820 
821 	TP_printk_btrfs("bytenr=%llu num_bytes=%llu action=%s is_data=%d",
822 		  (unsigned long long)__entry->bytenr,
823 		  (unsigned long long)__entry->num_bytes,
824 		  show_ref_action(__entry->action),
825 		  __entry->is_data)
826 );
827 
828 DEFINE_EVENT(btrfs_delayed_ref_head,  add_delayed_ref_head,
829 
830 	TP_PROTO(const struct btrfs_fs_info *fs_info,
831 		 const struct btrfs_delayed_ref_head *head_ref,
832 		 int action),
833 
834 	TP_ARGS(fs_info, head_ref, action)
835 );
836 
837 DEFINE_EVENT(btrfs_delayed_ref_head,  run_delayed_ref_head,
838 
839 	TP_PROTO(const struct btrfs_fs_info *fs_info,
840 		 const struct btrfs_delayed_ref_head *head_ref,
841 		 int action),
842 
843 	TP_ARGS(fs_info, head_ref, action)
844 );
845 
846 #define show_chunk_type(type)					\
847 	__print_flags(type, "|",				\
848 		{ BTRFS_BLOCK_GROUP_DATA, 	"DATA"	},	\
849 		{ BTRFS_BLOCK_GROUP_SYSTEM, 	"SYSTEM"},	\
850 		{ BTRFS_BLOCK_GROUP_METADATA, 	"METADATA"},	\
851 		{ BTRFS_BLOCK_GROUP_RAID0, 	"RAID0" },	\
852 		{ BTRFS_BLOCK_GROUP_RAID1, 	"RAID1" },	\
853 		{ BTRFS_BLOCK_GROUP_DUP, 	"DUP"	},	\
854 		{ BTRFS_BLOCK_GROUP_RAID10, 	"RAID10"},	\
855 		{ BTRFS_BLOCK_GROUP_RAID5, 	"RAID5"	},	\
856 		{ BTRFS_BLOCK_GROUP_RAID6, 	"RAID6"	})
857 
858 DECLARE_EVENT_CLASS(btrfs__chunk,
859 
860 	TP_PROTO(const struct btrfs_fs_info *fs_info,
861 		 const struct map_lookup *map, u64 offset, u64 size),
862 
863 	TP_ARGS(fs_info, map, offset, size),
864 
865 	TP_STRUCT__entry_btrfs(
866 		__field(	int,  num_stripes		)
867 		__field(	u64,  type			)
868 		__field(	int,  sub_stripes		)
869 		__field(	u64,  offset			)
870 		__field(	u64,  size			)
871 		__field(	u64,  root_objectid		)
872 	),
873 
874 	TP_fast_assign_btrfs(fs_info,
875 		__entry->num_stripes	= map->num_stripes;
876 		__entry->type		= map->type;
877 		__entry->sub_stripes	= map->sub_stripes;
878 		__entry->offset		= offset;
879 		__entry->size		= size;
880 		__entry->root_objectid	= fs_info->chunk_root->root_key.objectid;
881 	),
882 
883 	TP_printk_btrfs("root=%llu(%s) offset=%llu size=%llu "
884 		  "num_stripes=%d sub_stripes=%d type=%s",
885 		  show_root_type(__entry->root_objectid),
886 		  (unsigned long long)__entry->offset,
887 		  (unsigned long long)__entry->size,
888 		  __entry->num_stripes, __entry->sub_stripes,
889 		  show_chunk_type(__entry->type))
890 );
891 
892 DEFINE_EVENT(btrfs__chunk,  btrfs_chunk_alloc,
893 
894 	TP_PROTO(const struct btrfs_fs_info *fs_info,
895 		 const struct map_lookup *map, u64 offset, u64 size),
896 
897 	TP_ARGS(fs_info, map, offset, size)
898 );
899 
900 DEFINE_EVENT(btrfs__chunk,  btrfs_chunk_free,
901 
902 	TP_PROTO(const struct btrfs_fs_info *fs_info,
903 		 const struct map_lookup *map, u64 offset, u64 size),
904 
905 	TP_ARGS(fs_info, map, offset, size)
906 );
907 
908 TRACE_EVENT(btrfs_cow_block,
909 
910 	TP_PROTO(const struct btrfs_root *root, const struct extent_buffer *buf,
911 		 const struct extent_buffer *cow),
912 
913 	TP_ARGS(root, buf, cow),
914 
915 	TP_STRUCT__entry_btrfs(
916 		__field(	u64,  root_objectid		)
917 		__field(	u64,  buf_start			)
918 		__field(	int,  refs			)
919 		__field(	u64,  cow_start			)
920 		__field(	int,  buf_level			)
921 		__field(	int,  cow_level			)
922 	),
923 
924 	TP_fast_assign_btrfs(root->fs_info,
925 		__entry->root_objectid	= root->root_key.objectid;
926 		__entry->buf_start	= buf->start;
927 		__entry->refs		= atomic_read(&buf->refs);
928 		__entry->cow_start	= cow->start;
929 		__entry->buf_level	= btrfs_header_level(buf);
930 		__entry->cow_level	= btrfs_header_level(cow);
931 	),
932 
933 	TP_printk_btrfs("root=%llu(%s) refs=%d orig_buf=%llu "
934 		  "(orig_level=%d) cow_buf=%llu (cow_level=%d)",
935 		  show_root_type(__entry->root_objectid),
936 		  __entry->refs,
937 		  (unsigned long long)__entry->buf_start,
938 		  __entry->buf_level,
939 		  (unsigned long long)__entry->cow_start,
940 		  __entry->cow_level)
941 );
942 
943 TRACE_EVENT(btrfs_space_reservation,
944 
945 	TP_PROTO(const struct btrfs_fs_info *fs_info, char *type, u64 val,
946 		 u64 bytes, int reserve),
947 
948 	TP_ARGS(fs_info, type, val, bytes, reserve),
949 
950 	TP_STRUCT__entry_btrfs(
951 		__string(	type,	type			)
952 		__field(	u64,	val			)
953 		__field(	u64,	bytes			)
954 		__field(	int,	reserve			)
955 	),
956 
957 	TP_fast_assign_btrfs(fs_info,
958 		__assign_str(type, type);
959 		__entry->val		= val;
960 		__entry->bytes		= bytes;
961 		__entry->reserve	= reserve;
962 	),
963 
964 	TP_printk_btrfs("%s: %Lu %s %Lu", __get_str(type), __entry->val,
965 			__entry->reserve ? "reserve" : "release",
966 			__entry->bytes)
967 );
968 
969 #define show_flush_action(action)						\
970 	__print_symbolic(action,						\
971 		{ BTRFS_RESERVE_NO_FLUSH,	"BTRFS_RESERVE_NO_FLUSH"},	\
972 		{ BTRFS_RESERVE_FLUSH_LIMIT,	"BTRFS_RESERVE_FLUSH_LIMIT"},	\
973 		{ BTRFS_RESERVE_FLUSH_ALL,	"BTRFS_RESERVE_FLUSH_ALL"})
974 
975 TRACE_EVENT(btrfs_trigger_flush,
976 
977 	TP_PROTO(const struct btrfs_fs_info *fs_info, u64 flags, u64 bytes,
978 		 int flush, char *reason),
979 
980 	TP_ARGS(fs_info, flags, bytes, flush, reason),
981 
982 	TP_STRUCT__entry(
983 		__array(	u8,	fsid,	BTRFS_FSID_SIZE	)
984 		__field(	u64,	flags			)
985 		__field(	u64,	bytes			)
986 		__field(	int,	flush			)
987 		__string(	reason,	reason			)
988 	),
989 
990 	TP_fast_assign(
991 		memcpy(__entry->fsid, fs_info->fsid, BTRFS_FSID_SIZE);
992 		__entry->flags	= flags;
993 		__entry->bytes	= bytes;
994 		__entry->flush	= flush;
995 		__assign_str(reason, reason)
996 	),
997 
998 	TP_printk("%pU: %s: flush=%d(%s) flags=%llu(%s) bytes=%llu",
999 		  __entry->fsid, __get_str(reason), __entry->flush,
1000 		  show_flush_action(__entry->flush),
1001 		  (unsigned long long)__entry->flags,
1002 		  __print_flags((unsigned long)__entry->flags, "|",
1003 				BTRFS_GROUP_FLAGS),
1004 		  (unsigned long long)__entry->bytes)
1005 );
1006 
1007 #define show_flush_state(state)							\
1008 	__print_symbolic(state,							\
1009 		{ FLUSH_DELAYED_ITEMS_NR,	"FLUSH_DELAYED_ITEMS_NR"},	\
1010 		{ FLUSH_DELAYED_ITEMS,		"FLUSH_DELAYED_ITEMS"},		\
1011 		{ FLUSH_DELALLOC,		"FLUSH_DELALLOC"},		\
1012 		{ FLUSH_DELALLOC_WAIT,		"FLUSH_DELALLOC_WAIT"},		\
1013 		{ ALLOC_CHUNK,			"ALLOC_CHUNK"},			\
1014 		{ COMMIT_TRANS,			"COMMIT_TRANS"})
1015 
1016 TRACE_EVENT(btrfs_flush_space,
1017 
1018 	TP_PROTO(const struct btrfs_fs_info *fs_info, u64 flags, u64 num_bytes,
1019 		 int state, int ret),
1020 
1021 	TP_ARGS(fs_info, flags, num_bytes, state, ret),
1022 
1023 	TP_STRUCT__entry(
1024 		__array(	u8,	fsid,	BTRFS_FSID_SIZE	)
1025 		__field(	u64,	flags			)
1026 		__field(	u64,	num_bytes		)
1027 		__field(	int,	state			)
1028 		__field(	int,	ret			)
1029 	),
1030 
1031 	TP_fast_assign(
1032 		memcpy(__entry->fsid, fs_info->fsid, BTRFS_FSID_SIZE);
1033 		__entry->flags		=	flags;
1034 		__entry->num_bytes	=	num_bytes;
1035 		__entry->state		=	state;
1036 		__entry->ret		=	ret;
1037 	),
1038 
1039 	TP_printk("%pU: state=%d(%s) flags=%llu(%s) num_bytes=%llu ret=%d",
1040 		  __entry->fsid, __entry->state,
1041 		  show_flush_state(__entry->state),
1042 		  (unsigned long long)__entry->flags,
1043 		  __print_flags((unsigned long)__entry->flags, "|",
1044 				BTRFS_GROUP_FLAGS),
1045 		  (unsigned long long)__entry->num_bytes, __entry->ret)
1046 );
1047 
1048 DECLARE_EVENT_CLASS(btrfs__reserved_extent,
1049 
1050 	TP_PROTO(const struct btrfs_fs_info *fs_info, u64 start, u64 len),
1051 
1052 	TP_ARGS(fs_info, start, len),
1053 
1054 	TP_STRUCT__entry_btrfs(
1055 		__field(	u64,  start			)
1056 		__field(	u64,  len			)
1057 	),
1058 
1059 	TP_fast_assign_btrfs(fs_info,
1060 		__entry->start		= start;
1061 		__entry->len		= len;
1062 	),
1063 
1064 	TP_printk_btrfs("root=%llu(%s) start=%llu len=%llu",
1065 		  show_root_type(BTRFS_EXTENT_TREE_OBJECTID),
1066 		  (unsigned long long)__entry->start,
1067 		  (unsigned long long)__entry->len)
1068 );
1069 
1070 DEFINE_EVENT(btrfs__reserved_extent,  btrfs_reserved_extent_alloc,
1071 
1072 	TP_PROTO(const struct btrfs_fs_info *fs_info, u64 start, u64 len),
1073 
1074 	TP_ARGS(fs_info, start, len)
1075 );
1076 
1077 DEFINE_EVENT(btrfs__reserved_extent,  btrfs_reserved_extent_free,
1078 
1079 	TP_PROTO(const struct btrfs_fs_info *fs_info, u64 start, u64 len),
1080 
1081 	TP_ARGS(fs_info, start, len)
1082 );
1083 
1084 TRACE_EVENT(find_free_extent,
1085 
1086 	TP_PROTO(const struct btrfs_fs_info *fs_info, u64 num_bytes,
1087 		 u64 empty_size, u64 data),
1088 
1089 	TP_ARGS(fs_info, num_bytes, empty_size, data),
1090 
1091 	TP_STRUCT__entry_btrfs(
1092 		__field(	u64,	num_bytes		)
1093 		__field(	u64,	empty_size		)
1094 		__field(	u64,	data			)
1095 	),
1096 
1097 	TP_fast_assign_btrfs(fs_info,
1098 		__entry->num_bytes	= num_bytes;
1099 		__entry->empty_size	= empty_size;
1100 		__entry->data		= data;
1101 	),
1102 
1103 	TP_printk_btrfs("root=%Lu(%s) len=%Lu empty_size=%Lu flags=%Lu(%s)",
1104 		  show_root_type(BTRFS_EXTENT_TREE_OBJECTID),
1105 		  __entry->num_bytes, __entry->empty_size, __entry->data,
1106 		  __print_flags((unsigned long)__entry->data, "|",
1107 				 BTRFS_GROUP_FLAGS))
1108 );
1109 
1110 DECLARE_EVENT_CLASS(btrfs__reserve_extent,
1111 
1112 	TP_PROTO(const struct btrfs_fs_info *fs_info,
1113 		 const struct btrfs_block_group_cache *block_group, u64 start,
1114 		 u64 len),
1115 
1116 	TP_ARGS(fs_info, block_group, start, len),
1117 
1118 	TP_STRUCT__entry_btrfs(
1119 		__field(	u64,	bg_objectid		)
1120 		__field(	u64,	flags			)
1121 		__field(	u64,	start			)
1122 		__field(	u64,	len			)
1123 	),
1124 
1125 	TP_fast_assign_btrfs(fs_info,
1126 		__entry->bg_objectid	= block_group->key.objectid;
1127 		__entry->flags		= block_group->flags;
1128 		__entry->start		= start;
1129 		__entry->len		= len;
1130 	),
1131 
1132 	TP_printk_btrfs("root=%Lu(%s) block_group=%Lu flags=%Lu(%s) "
1133 		  "start=%Lu len=%Lu",
1134 		  show_root_type(BTRFS_EXTENT_TREE_OBJECTID),
1135 		  __entry->bg_objectid,
1136 		  __entry->flags, __print_flags((unsigned long)__entry->flags,
1137 						"|", BTRFS_GROUP_FLAGS),
1138 		  __entry->start, __entry->len)
1139 );
1140 
1141 DEFINE_EVENT(btrfs__reserve_extent, btrfs_reserve_extent,
1142 
1143 	TP_PROTO(const struct btrfs_fs_info *fs_info,
1144 		 const struct btrfs_block_group_cache *block_group, u64 start,
1145 		 u64 len),
1146 
1147 	TP_ARGS(fs_info, block_group, start, len)
1148 );
1149 
1150 DEFINE_EVENT(btrfs__reserve_extent, btrfs_reserve_extent_cluster,
1151 
1152 	TP_PROTO(const struct btrfs_fs_info *fs_info,
1153 		 const struct btrfs_block_group_cache *block_group, u64 start,
1154 		 u64 len),
1155 
1156 	TP_ARGS(fs_info, block_group, start, len)
1157 );
1158 
1159 TRACE_EVENT(btrfs_find_cluster,
1160 
1161 	TP_PROTO(const struct btrfs_block_group_cache *block_group, u64 start,
1162 		 u64 bytes, u64 empty_size, u64 min_bytes),
1163 
1164 	TP_ARGS(block_group, start, bytes, empty_size, min_bytes),
1165 
1166 	TP_STRUCT__entry_btrfs(
1167 		__field(	u64,	bg_objectid		)
1168 		__field(	u64,	flags			)
1169 		__field(	u64,	start			)
1170 		__field(	u64,	bytes			)
1171 		__field(	u64,	empty_size		)
1172 		__field(	u64,	min_bytes		)
1173 	),
1174 
1175 	TP_fast_assign_btrfs(block_group->fs_info,
1176 		__entry->bg_objectid	= block_group->key.objectid;
1177 		__entry->flags		= block_group->flags;
1178 		__entry->start		= start;
1179 		__entry->bytes		= bytes;
1180 		__entry->empty_size	= empty_size;
1181 		__entry->min_bytes	= min_bytes;
1182 	),
1183 
1184 	TP_printk_btrfs("block_group=%Lu flags=%Lu(%s) start=%Lu len=%Lu "
1185 		  "empty_size=%Lu min_bytes=%Lu", __entry->bg_objectid,
1186 		  __entry->flags,
1187 		  __print_flags((unsigned long)__entry->flags, "|",
1188 				BTRFS_GROUP_FLAGS), __entry->start,
1189 		  __entry->bytes, __entry->empty_size,  __entry->min_bytes)
1190 );
1191 
1192 TRACE_EVENT(btrfs_failed_cluster_setup,
1193 
1194 	TP_PROTO(const struct btrfs_block_group_cache *block_group),
1195 
1196 	TP_ARGS(block_group),
1197 
1198 	TP_STRUCT__entry_btrfs(
1199 		__field(	u64,	bg_objectid		)
1200 	),
1201 
1202 	TP_fast_assign_btrfs(block_group->fs_info,
1203 		__entry->bg_objectid	= block_group->key.objectid;
1204 	),
1205 
1206 	TP_printk_btrfs("block_group=%Lu", __entry->bg_objectid)
1207 );
1208 
1209 TRACE_EVENT(btrfs_setup_cluster,
1210 
1211 	TP_PROTO(const struct btrfs_block_group_cache *block_group,
1212 		 const struct btrfs_free_cluster *cluster,
1213 		 u64 size, int bitmap),
1214 
1215 	TP_ARGS(block_group, cluster, size, bitmap),
1216 
1217 	TP_STRUCT__entry_btrfs(
1218 		__field(	u64,	bg_objectid		)
1219 		__field(	u64,	flags			)
1220 		__field(	u64,	start			)
1221 		__field(	u64,	max_size		)
1222 		__field(	u64,	size			)
1223 		__field(	int,	bitmap			)
1224 	),
1225 
1226 	TP_fast_assign_btrfs(block_group->fs_info,
1227 		__entry->bg_objectid	= block_group->key.objectid;
1228 		__entry->flags		= block_group->flags;
1229 		__entry->start		= cluster->window_start;
1230 		__entry->max_size	= cluster->max_size;
1231 		__entry->size		= size;
1232 		__entry->bitmap		= bitmap;
1233 	),
1234 
1235 	TP_printk_btrfs("block_group=%Lu flags=%Lu(%s) window_start=%Lu "
1236 		  "size=%Lu max_size=%Lu bitmap=%d",
1237 		  __entry->bg_objectid,
1238 		  __entry->flags,
1239 		  __print_flags((unsigned long)__entry->flags, "|",
1240 				BTRFS_GROUP_FLAGS), __entry->start,
1241 		  __entry->size, __entry->max_size, __entry->bitmap)
1242 );
1243 
1244 struct extent_state;
1245 TRACE_EVENT(alloc_extent_state,
1246 
1247 	TP_PROTO(const struct extent_state *state,
1248 		 gfp_t mask, unsigned long IP),
1249 
1250 	TP_ARGS(state, mask, IP),
1251 
1252 	TP_STRUCT__entry(
1253 		__field(const struct extent_state *, state)
1254 		__field(gfp_t, mask)
1255 		__field(unsigned long, ip)
1256 	),
1257 
1258 	TP_fast_assign(
1259 		__entry->state	= state,
1260 		__entry->mask	= mask,
1261 		__entry->ip	= IP
1262 	),
1263 
1264 	TP_printk("state=%p mask=%s caller=%pS", __entry->state,
1265 		  show_gfp_flags(__entry->mask), (const void *)__entry->ip)
1266 );
1267 
1268 TRACE_EVENT(free_extent_state,
1269 
1270 	TP_PROTO(const struct extent_state *state, unsigned long IP),
1271 
1272 	TP_ARGS(state, IP),
1273 
1274 	TP_STRUCT__entry(
1275 		__field(const struct extent_state *, state)
1276 		__field(unsigned long, ip)
1277 	),
1278 
1279 	TP_fast_assign(
1280 		__entry->state	= state,
1281 		__entry->ip = IP
1282 	),
1283 
1284 	TP_printk("state=%p caller=%pS", __entry->state,
1285 		  (const void *)__entry->ip)
1286 );
1287 
1288 DECLARE_EVENT_CLASS(btrfs__work,
1289 
1290 	TP_PROTO(const struct btrfs_work *work),
1291 
1292 	TP_ARGS(work),
1293 
1294 	TP_STRUCT__entry_btrfs(
1295 		__field(	const void *,	work			)
1296 		__field(	const void *,	wq			)
1297 		__field(	const void *,	func			)
1298 		__field(	const void *,	ordered_func		)
1299 		__field(	const void *,	ordered_free		)
1300 		__field(	const void *,	normal_work		)
1301 	),
1302 
1303 	TP_fast_assign_btrfs(btrfs_work_owner(work),
1304 		__entry->work		= work;
1305 		__entry->wq		= work->wq;
1306 		__entry->func		= work->func;
1307 		__entry->ordered_func	= work->ordered_func;
1308 		__entry->ordered_free	= work->ordered_free;
1309 		__entry->normal_work	= &work->normal_work;
1310 	),
1311 
1312 	TP_printk_btrfs("work=%p (normal_work=%p) wq=%p func=%pf ordered_func=%p "
1313 		  "ordered_free=%p",
1314 		  __entry->work, __entry->normal_work, __entry->wq,
1315 		   __entry->func, __entry->ordered_func, __entry->ordered_free)
1316 );
1317 
1318 /*
1319  * For situiations when the work is freed, we pass fs_info and a tag that that
1320  * matches address of the work structure so it can be paired with the
1321  * scheduling event.
1322  */
1323 DECLARE_EVENT_CLASS(btrfs__work__done,
1324 
1325 	TP_PROTO(const struct btrfs_fs_info *fs_info, const void *wtag),
1326 
1327 	TP_ARGS(fs_info, wtag),
1328 
1329 	TP_STRUCT__entry_btrfs(
1330 		__field(	const void *,	wtag			)
1331 	),
1332 
1333 	TP_fast_assign_btrfs(fs_info,
1334 		__entry->wtag		= wtag;
1335 	),
1336 
1337 	TP_printk_btrfs("work->%p", __entry->wtag)
1338 );
1339 
1340 DEFINE_EVENT(btrfs__work, btrfs_work_queued,
1341 
1342 	TP_PROTO(const struct btrfs_work *work),
1343 
1344 	TP_ARGS(work)
1345 );
1346 
1347 DEFINE_EVENT(btrfs__work, btrfs_work_sched,
1348 
1349 	TP_PROTO(const struct btrfs_work *work),
1350 
1351 	TP_ARGS(work)
1352 );
1353 
1354 DEFINE_EVENT(btrfs__work__done, btrfs_all_work_done,
1355 
1356 	TP_PROTO(const struct btrfs_fs_info *fs_info, const void *wtag),
1357 
1358 	TP_ARGS(fs_info, wtag)
1359 );
1360 
1361 DEFINE_EVENT(btrfs__work, btrfs_ordered_sched,
1362 
1363 	TP_PROTO(const struct btrfs_work *work),
1364 
1365 	TP_ARGS(work)
1366 );
1367 
1368 DECLARE_EVENT_CLASS(btrfs__workqueue,
1369 
1370 	TP_PROTO(const struct __btrfs_workqueue *wq,
1371 		 const char *name, int high),
1372 
1373 	TP_ARGS(wq, name, high),
1374 
1375 	TP_STRUCT__entry_btrfs(
1376 		__field(	const void *,	wq			)
1377 		__string(	name,	name			)
1378 		__field(	int ,	high			)
1379 	),
1380 
1381 	TP_fast_assign_btrfs(btrfs_workqueue_owner(wq),
1382 		__entry->wq		= wq;
1383 		__assign_str(name, name);
1384 		__entry->high		= high;
1385 	),
1386 
1387 	TP_printk_btrfs("name=%s%s wq=%p", __get_str(name),
1388 		  __print_flags(__entry->high, "",
1389 				{(WQ_HIGHPRI),	"-high"}),
1390 		  __entry->wq)
1391 );
1392 
1393 DEFINE_EVENT(btrfs__workqueue, btrfs_workqueue_alloc,
1394 
1395 	TP_PROTO(const struct __btrfs_workqueue *wq,
1396 		 const char *name, int high),
1397 
1398 	TP_ARGS(wq, name, high)
1399 );
1400 
1401 DECLARE_EVENT_CLASS(btrfs__workqueue_done,
1402 
1403 	TP_PROTO(const struct __btrfs_workqueue *wq),
1404 
1405 	TP_ARGS(wq),
1406 
1407 	TP_STRUCT__entry_btrfs(
1408 		__field(	const void *,	wq		)
1409 	),
1410 
1411 	TP_fast_assign_btrfs(btrfs_workqueue_owner(wq),
1412 		__entry->wq		= wq;
1413 	),
1414 
1415 	TP_printk_btrfs("wq=%p", __entry->wq)
1416 );
1417 
1418 DEFINE_EVENT(btrfs__workqueue_done, btrfs_workqueue_destroy,
1419 
1420 	TP_PROTO(const struct __btrfs_workqueue *wq),
1421 
1422 	TP_ARGS(wq)
1423 );
1424 
1425 #define BTRFS_QGROUP_OPERATIONS				\
1426 	{ QGROUP_RESERVE,	"reserve"	},	\
1427 	{ QGROUP_RELEASE,	"release"	},	\
1428 	{ QGROUP_FREE,		"free"		}
1429 
1430 DECLARE_EVENT_CLASS(btrfs__qgroup_rsv_data,
1431 
1432 	TP_PROTO(const struct inode *inode, u64 start, u64 len,
1433 		 u64 reserved, int op),
1434 
1435 	TP_ARGS(inode, start, len, reserved, op),
1436 
1437 	TP_STRUCT__entry_btrfs(
1438 		__field(	u64,		rootid		)
1439 		__field(	unsigned long,	ino		)
1440 		__field(	u64,		start		)
1441 		__field(	u64,		len		)
1442 		__field(	u64,		reserved	)
1443 		__field(	int,		op		)
1444 	),
1445 
1446 	TP_fast_assign_btrfs(btrfs_sb(inode->i_sb),
1447 		__entry->rootid		= BTRFS_I(inode)->root->objectid;
1448 		__entry->ino		= inode->i_ino;
1449 		__entry->start		= start;
1450 		__entry->len		= len;
1451 		__entry->reserved	= reserved;
1452 		__entry->op		= op;
1453 	),
1454 
1455 	TP_printk_btrfs("root=%llu ino=%lu start=%llu len=%llu reserved=%llu op=%s",
1456 		  __entry->rootid, __entry->ino, __entry->start, __entry->len,
1457 		  __entry->reserved,
1458 		  __print_flags((unsigned long)__entry->op, "",
1459 				BTRFS_QGROUP_OPERATIONS)
1460 	)
1461 );
1462 
1463 DEFINE_EVENT(btrfs__qgroup_rsv_data, btrfs_qgroup_reserve_data,
1464 
1465 	TP_PROTO(const struct inode *inode, u64 start, u64 len,
1466 		 u64 reserved, int op),
1467 
1468 	TP_ARGS(inode, start, len, reserved, op)
1469 );
1470 
1471 DEFINE_EVENT(btrfs__qgroup_rsv_data, btrfs_qgroup_release_data,
1472 
1473 	TP_PROTO(const struct inode *inode, u64 start, u64 len,
1474 		 u64 reserved, int op),
1475 
1476 	TP_ARGS(inode, start, len, reserved, op)
1477 );
1478 
1479 DECLARE_EVENT_CLASS(btrfs__qgroup_delayed_ref,
1480 
1481 	TP_PROTO(const struct btrfs_fs_info *fs_info,
1482 		 u64 ref_root, u64 reserved),
1483 
1484 	TP_ARGS(fs_info, ref_root, reserved),
1485 
1486 	TP_STRUCT__entry_btrfs(
1487 		__field(	u64,		ref_root	)
1488 		__field(	u64,		reserved	)
1489 	),
1490 
1491 	TP_fast_assign_btrfs(fs_info,
1492 		__entry->ref_root	= ref_root;
1493 		__entry->reserved	= reserved;
1494 	),
1495 
1496 	TP_printk_btrfs("root=%llu reserved=%llu op=free",
1497 		  __entry->ref_root, __entry->reserved)
1498 );
1499 
1500 DEFINE_EVENT(btrfs__qgroup_delayed_ref, btrfs_qgroup_free_delayed_ref,
1501 
1502 	TP_PROTO(const struct btrfs_fs_info *fs_info,
1503 		 u64 ref_root, u64 reserved),
1504 
1505 	TP_ARGS(fs_info, ref_root, reserved)
1506 );
1507 
1508 DECLARE_EVENT_CLASS(btrfs_qgroup_extent,
1509 	TP_PROTO(const struct btrfs_fs_info *fs_info,
1510 		 const struct btrfs_qgroup_extent_record *rec),
1511 
1512 	TP_ARGS(fs_info, rec),
1513 
1514 	TP_STRUCT__entry_btrfs(
1515 		__field(	u64,  bytenr		)
1516 		__field(	u64,  num_bytes		)
1517 	),
1518 
1519 	TP_fast_assign_btrfs(fs_info,
1520 		__entry->bytenr		= rec->bytenr,
1521 		__entry->num_bytes	= rec->num_bytes;
1522 	),
1523 
1524 	TP_printk_btrfs("bytenr=%llu num_bytes=%llu",
1525 		  (unsigned long long)__entry->bytenr,
1526 		  (unsigned long long)__entry->num_bytes)
1527 );
1528 
1529 DEFINE_EVENT(btrfs_qgroup_extent, btrfs_qgroup_account_extents,
1530 
1531 	TP_PROTO(const struct btrfs_fs_info *fs_info,
1532 		 const struct btrfs_qgroup_extent_record *rec),
1533 
1534 	TP_ARGS(fs_info, rec)
1535 );
1536 
1537 DEFINE_EVENT(btrfs_qgroup_extent, btrfs_qgroup_trace_extent,
1538 
1539 	TP_PROTO(const struct btrfs_fs_info *fs_info,
1540 		 const struct btrfs_qgroup_extent_record *rec),
1541 
1542 	TP_ARGS(fs_info, rec)
1543 );
1544 
1545 TRACE_EVENT(btrfs_qgroup_account_extent,
1546 
1547 	TP_PROTO(const struct btrfs_fs_info *fs_info, u64 bytenr,
1548 		 u64 num_bytes, u64 nr_old_roots, u64 nr_new_roots),
1549 
1550 	TP_ARGS(fs_info, bytenr, num_bytes, nr_old_roots, nr_new_roots),
1551 
1552 	TP_STRUCT__entry_btrfs(
1553 		__field(	u64,  bytenr			)
1554 		__field(	u64,  num_bytes			)
1555 		__field(	u64,  nr_old_roots		)
1556 		__field(	u64,  nr_new_roots		)
1557 	),
1558 
1559 	TP_fast_assign_btrfs(fs_info,
1560 		__entry->bytenr		= bytenr;
1561 		__entry->num_bytes	= num_bytes;
1562 		__entry->nr_old_roots	= nr_old_roots;
1563 		__entry->nr_new_roots	= nr_new_roots;
1564 	),
1565 
1566 	TP_printk_btrfs("bytenr=%llu num_bytes=%llu nr_old_roots=%llu "
1567 		  "nr_new_roots=%llu",
1568 		  __entry->bytenr,
1569 		  __entry->num_bytes,
1570 		  __entry->nr_old_roots,
1571 		  __entry->nr_new_roots)
1572 );
1573 
1574 TRACE_EVENT(qgroup_update_counters,
1575 
1576 	TP_PROTO(const struct btrfs_fs_info *fs_info, u64 qgid,
1577 		 u64 cur_old_count, u64 cur_new_count),
1578 
1579 	TP_ARGS(fs_info, qgid, cur_old_count, cur_new_count),
1580 
1581 	TP_STRUCT__entry_btrfs(
1582 		__field(	u64,  qgid			)
1583 		__field(	u64,  cur_old_count		)
1584 		__field(	u64,  cur_new_count		)
1585 	),
1586 
1587 	TP_fast_assign_btrfs(fs_info,
1588 		__entry->qgid		= qgid;
1589 		__entry->cur_old_count	= cur_old_count;
1590 		__entry->cur_new_count	= cur_new_count;
1591 	),
1592 
1593 	TP_printk_btrfs("qgid=%llu cur_old_count=%llu cur_new_count=%llu",
1594 		  __entry->qgid,
1595 		  __entry->cur_old_count,
1596 		  __entry->cur_new_count)
1597 );
1598 
1599 TRACE_EVENT(qgroup_update_reserve,
1600 
1601 	TP_PROTO(struct btrfs_fs_info *fs_info, struct btrfs_qgroup *qgroup,
1602 		 s64 diff),
1603 
1604 	TP_ARGS(fs_info, qgroup, diff),
1605 
1606 	TP_STRUCT__entry_btrfs(
1607 		__field(	u64,	qgid			)
1608 		__field(	u64,	cur_reserved		)
1609 		__field(	s64,	diff			)
1610 	),
1611 
1612 	TP_fast_assign_btrfs(fs_info,
1613 		__entry->qgid		= qgroup->qgroupid;
1614 		__entry->cur_reserved	= qgroup->reserved;
1615 		__entry->diff		= diff;
1616 	),
1617 
1618 	TP_printk_btrfs("qgid=%llu cur_reserved=%llu diff=%lld",
1619 		__entry->qgid, __entry->cur_reserved, __entry->diff)
1620 );
1621 
1622 TRACE_EVENT(qgroup_meta_reserve,
1623 
1624 	TP_PROTO(struct btrfs_root *root, s64 diff),
1625 
1626 	TP_ARGS(root, diff),
1627 
1628 	TP_STRUCT__entry_btrfs(
1629 		__field(	u64,	refroot			)
1630 		__field(	s64,	diff			)
1631 	),
1632 
1633 	TP_fast_assign_btrfs(root->fs_info,
1634 		__entry->refroot	= root->objectid;
1635 		__entry->diff		= diff;
1636 	),
1637 
1638 	TP_printk_btrfs("refroot=%llu(%s) diff=%lld",
1639 		show_root_type(__entry->refroot), __entry->diff)
1640 );
1641 
1642 DECLARE_EVENT_CLASS(btrfs__prelim_ref,
1643 	TP_PROTO(const struct btrfs_fs_info *fs_info,
1644 		 const struct prelim_ref *oldref,
1645 		 const struct prelim_ref *newref, u64 tree_size),
1646 	TP_ARGS(fs_info, newref, oldref, tree_size),
1647 
1648 	TP_STRUCT__entry_btrfs(
1649 		__field(	u64,  root_id		)
1650 		__field(	u64,  objectid		)
1651 		__field(	 u8,  type		)
1652 		__field(	u64,  offset		)
1653 		__field(	int,  level		)
1654 		__field(	int,  old_count		)
1655 		__field(	u64,  parent		)
1656 		__field(	u64,  bytenr		)
1657 		__field(	int,  mod_count		)
1658 		__field(	u64,  tree_size		)
1659 	),
1660 
1661 	TP_fast_assign_btrfs(fs_info,
1662 		__entry->root_id	= oldref->root_id;
1663 		__entry->objectid	= oldref->key_for_search.objectid;
1664 		__entry->type		= oldref->key_for_search.type;
1665 		__entry->offset		= oldref->key_for_search.offset;
1666 		__entry->level		= oldref->level;
1667 		__entry->old_count	= oldref->count;
1668 		__entry->parent		= oldref->parent;
1669 		__entry->bytenr		= oldref->wanted_disk_byte;
1670 		__entry->mod_count	= newref ? newref->count : 0;
1671 		__entry->tree_size	= tree_size;
1672 	),
1673 
1674 	TP_printk_btrfs("root_id=%llu key=[%llu,%u,%llu] level=%d count=[%d+%d=%d] parent=%llu wanted_disk_byte=%llu nodes=%llu",
1675 			(unsigned long long)__entry->root_id,
1676 			(unsigned long long)__entry->objectid, __entry->type,
1677 			(unsigned long long)__entry->offset, __entry->level,
1678 			__entry->old_count, __entry->mod_count,
1679 			__entry->old_count + __entry->mod_count,
1680 			(unsigned long long)__entry->parent,
1681 			(unsigned long long)__entry->bytenr,
1682 			(unsigned long long)__entry->tree_size)
1683 );
1684 
1685 DEFINE_EVENT(btrfs__prelim_ref, btrfs_prelim_ref_merge,
1686 	TP_PROTO(const struct btrfs_fs_info *fs_info,
1687 		 const struct prelim_ref *oldref,
1688 		 const struct prelim_ref *newref, u64 tree_size),
1689 	TP_ARGS(fs_info, oldref, newref, tree_size)
1690 );
1691 
1692 DEFINE_EVENT(btrfs__prelim_ref, btrfs_prelim_ref_insert,
1693 	TP_PROTO(const struct btrfs_fs_info *fs_info,
1694 		 const struct prelim_ref *oldref,
1695 		 const struct prelim_ref *newref, u64 tree_size),
1696 	TP_ARGS(fs_info, oldref, newref, tree_size)
1697 );
1698 
1699 TRACE_EVENT(btrfs_inode_mod_outstanding_extents,
1700 	TP_PROTO(struct btrfs_root *root, u64 ino, int mod),
1701 
1702 	TP_ARGS(root, ino, mod),
1703 
1704 	TP_STRUCT__entry_btrfs(
1705 		__field(	u64, root_objectid	)
1706 		__field(	u64, ino		)
1707 		__field(	int, mod		)
1708 	),
1709 
1710 	TP_fast_assign_btrfs(root->fs_info,
1711 		__entry->root_objectid	= root->objectid;
1712 		__entry->ino		= ino;
1713 		__entry->mod		= mod;
1714 	),
1715 
1716 	TP_printk_btrfs("root=%llu(%s) ino=%llu mod=%d",
1717 			show_root_type(__entry->root_objectid),
1718 			(unsigned long long)__entry->ino, __entry->mod)
1719 );
1720 #endif /* _TRACE_BTRFS_H */
1721 
1722 /* This part must be outside protection */
1723 #include <trace/define_trace.h>
1724