xref: /openbmc/linux/include/trace/events/btrfs.h (revision 3c198fe0)
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;
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 extent_io_tree;
31 struct prelim_ref;
32 struct btrfs_space_info;
33 
34 #define show_ref_type(type)						\
35 	__print_symbolic(type,						\
36 		{ BTRFS_TREE_BLOCK_REF_KEY, 	"TREE_BLOCK_REF" },	\
37 		{ BTRFS_EXTENT_DATA_REF_KEY, 	"EXTENT_DATA_REF" },	\
38 		{ BTRFS_EXTENT_REF_V0_KEY, 	"EXTENT_REF_V0" },	\
39 		{ BTRFS_SHARED_BLOCK_REF_KEY, 	"SHARED_BLOCK_REF" },	\
40 		{ BTRFS_SHARED_DATA_REF_KEY, 	"SHARED_DATA_REF" })
41 
42 #define __show_root_type(obj)						\
43 	__print_symbolic_u64(obj,					\
44 		{ BTRFS_ROOT_TREE_OBJECTID, 	"ROOT_TREE"	},	\
45 		{ BTRFS_EXTENT_TREE_OBJECTID, 	"EXTENT_TREE"	},	\
46 		{ BTRFS_CHUNK_TREE_OBJECTID, 	"CHUNK_TREE"	},	\
47 		{ BTRFS_DEV_TREE_OBJECTID, 	"DEV_TREE"	},	\
48 		{ BTRFS_FS_TREE_OBJECTID, 	"FS_TREE"	},	\
49 		{ BTRFS_ROOT_TREE_DIR_OBJECTID, "ROOT_TREE_DIR"	},	\
50 		{ BTRFS_CSUM_TREE_OBJECTID, 	"CSUM_TREE"	},	\
51 		{ BTRFS_TREE_LOG_OBJECTID,	"TREE_LOG"	},	\
52 		{ BTRFS_QUOTA_TREE_OBJECTID,	"QUOTA_TREE"	},	\
53 		{ BTRFS_TREE_RELOC_OBJECTID,	"TREE_RELOC"	},	\
54 		{ BTRFS_UUID_TREE_OBJECTID,	"UUID_TREE"	},	\
55 		{ BTRFS_FREE_SPACE_TREE_OBJECTID, "FREE_SPACE_TREE" },	\
56 		{ BTRFS_DATA_RELOC_TREE_OBJECTID, "DATA_RELOC_TREE" })
57 
58 #define show_root_type(obj)						\
59 	obj, ((obj >= BTRFS_DATA_RELOC_TREE_OBJECTID) ||		\
60 	      (obj >= BTRFS_ROOT_TREE_OBJECTID &&			\
61 	       obj <= BTRFS_QUOTA_TREE_OBJECTID)) ? __show_root_type(obj) : "-"
62 
63 #define FLUSH_ACTIONS								\
64 	EM( BTRFS_RESERVE_NO_FLUSH,		"BTRFS_RESERVE_NO_FLUSH")	\
65 	EM( BTRFS_RESERVE_FLUSH_LIMIT,		"BTRFS_RESERVE_FLUSH_LIMIT")	\
66 	EM( BTRFS_RESERVE_FLUSH_ALL,		"BTRFS_RESERVE_FLUSH_ALL")	\
67 	EMe(BTRFS_RESERVE_FLUSH_ALL_STEAL,	"BTRFS_RESERVE_FLUSH_ALL_STEAL")
68 
69 #define FI_TYPES							\
70 	EM( BTRFS_FILE_EXTENT_INLINE,		"INLINE")		\
71 	EM( BTRFS_FILE_EXTENT_REG,		"REG")			\
72 	EMe(BTRFS_FILE_EXTENT_PREALLOC,		"PREALLOC")
73 
74 #define QGROUP_RSV_TYPES						\
75 	EM( BTRFS_QGROUP_RSV_DATA,		"DATA")			\
76 	EM( BTRFS_QGROUP_RSV_META_PERTRANS,	"META_PERTRANS")	\
77 	EMe(BTRFS_QGROUP_RSV_META_PREALLOC,	"META_PREALLOC")
78 
79 #define IO_TREE_OWNER						    \
80 	EM( IO_TREE_FS_PINNED_EXTENTS, 	  "PINNED_EXTENTS")	    \
81 	EM( IO_TREE_FS_EXCLUDED_EXTENTS,  "EXCLUDED_EXTENTS")	    \
82 	EM( IO_TREE_BTREE_INODE_IO,	  "BTREE_INODE_IO")	    \
83 	EM( IO_TREE_INODE_IO,		  "INODE_IO")		    \
84 	EM( IO_TREE_INODE_IO_FAILURE,	  "INODE_IO_FAILURE")	    \
85 	EM( IO_TREE_RELOC_BLOCKS,	  "RELOC_BLOCKS")	    \
86 	EM( IO_TREE_TRANS_DIRTY_PAGES,	  "TRANS_DIRTY_PAGES")      \
87 	EM( IO_TREE_ROOT_DIRTY_LOG_PAGES, "ROOT_DIRTY_LOG_PAGES")   \
88 	EM( IO_TREE_INODE_FILE_EXTENT,	  "INODE_FILE_EXTENT")      \
89 	EM( IO_TREE_LOG_CSUM_RANGE,	  "LOG_CSUM_RANGE")         \
90 	EMe(IO_TREE_SELFTEST,		  "SELFTEST")
91 
92 #define FLUSH_STATES							\
93 	EM( FLUSH_DELAYED_ITEMS_NR,	"FLUSH_DELAYED_ITEMS_NR")	\
94 	EM( FLUSH_DELAYED_ITEMS,	"FLUSH_DELAYED_ITEMS")		\
95 	EM( FLUSH_DELALLOC,		"FLUSH_DELALLOC")		\
96 	EM( FLUSH_DELALLOC_WAIT,	"FLUSH_DELALLOC_WAIT")		\
97 	EM( FLUSH_DELAYED_REFS_NR,	"FLUSH_DELAYED_REFS_NR")	\
98 	EM( FLUSH_DELAYED_REFS,		"FLUSH_ELAYED_REFS")		\
99 	EM( ALLOC_CHUNK,		"ALLOC_CHUNK")			\
100 	EM( ALLOC_CHUNK_FORCE,		"ALLOC_CHUNK_FORCE")		\
101 	EM( RUN_DELAYED_IPUTS,		"RUN_DELAYED_IPUTS")		\
102 	EMe(COMMIT_TRANS,		"COMMIT_TRANS")
103 
104 /*
105  * First define the enums in the above macros to be exported to userspace via
106  * TRACE_DEFINE_ENUM().
107  */
108 
109 #undef EM
110 #undef EMe
111 #define EM(a, b)	TRACE_DEFINE_ENUM(a);
112 #define EMe(a, b)	TRACE_DEFINE_ENUM(a);
113 
114 FLUSH_ACTIONS
115 FI_TYPES
116 QGROUP_RSV_TYPES
117 IO_TREE_OWNER
118 FLUSH_STATES
119 
120 /*
121  * Now redefine the EM and EMe macros to map the enums to the strings that will
122  * be printed in the output
123  */
124 
125 #undef EM
126 #undef EMe
127 #define EM(a, b)        {a, b},
128 #define EMe(a, b)       {a, b}
129 
130 
131 #define BTRFS_GROUP_FLAGS	\
132 	{ BTRFS_BLOCK_GROUP_DATA,	"DATA"},	\
133 	{ BTRFS_BLOCK_GROUP_SYSTEM,	"SYSTEM"},	\
134 	{ BTRFS_BLOCK_GROUP_METADATA,	"METADATA"},	\
135 	{ BTRFS_BLOCK_GROUP_RAID0,	"RAID0"}, 	\
136 	{ BTRFS_BLOCK_GROUP_RAID1,	"RAID1"}, 	\
137 	{ BTRFS_BLOCK_GROUP_DUP,	"DUP"}, 	\
138 	{ BTRFS_BLOCK_GROUP_RAID10,	"RAID10"}, 	\
139 	{ BTRFS_BLOCK_GROUP_RAID5,	"RAID5"},	\
140 	{ BTRFS_BLOCK_GROUP_RAID6,	"RAID6"}
141 
142 #define EXTENT_FLAGS						\
143 	{ EXTENT_DIRTY,			"DIRTY"},		\
144 	{ EXTENT_UPTODATE,		"UPTODATE"},		\
145 	{ EXTENT_LOCKED,		"LOCKED"},		\
146 	{ EXTENT_NEW,			"NEW"},			\
147 	{ EXTENT_DELALLOC,		"DELALLOC"},		\
148 	{ EXTENT_DEFRAG,		"DEFRAG"},		\
149 	{ EXTENT_BOUNDARY,		"BOUNDARY"},		\
150 	{ EXTENT_NODATASUM,		"NODATASUM"},		\
151 	{ EXTENT_CLEAR_META_RESV,	"CLEAR_META_RESV"},	\
152 	{ EXTENT_NEED_WAIT,		"NEED_WAIT"},		\
153 	{ EXTENT_DAMAGED,		"DAMAGED"},		\
154 	{ EXTENT_NORESERVE,		"NORESERVE"},		\
155 	{ EXTENT_QGROUP_RESERVED,	"QGROUP_RESERVED"},	\
156 	{ EXTENT_CLEAR_DATA_RESV,	"CLEAR_DATA_RESV"},	\
157 	{ EXTENT_DELALLOC_NEW,		"DELALLOC_NEW"}
158 
159 #define BTRFS_FSID_SIZE 16
160 #define TP_STRUCT__entry_fsid __array(u8, fsid, BTRFS_FSID_SIZE)
161 
162 #define TP_fast_assign_fsid(fs_info)					\
163 ({									\
164 	if (fs_info)							\
165 		memcpy(__entry->fsid, fs_info->fs_devices->fsid,	\
166 		       BTRFS_FSID_SIZE);				\
167 	else								\
168 		memset(__entry->fsid, 0, BTRFS_FSID_SIZE);		\
169 })
170 
171 #define TP_STRUCT__entry_btrfs(args...)					\
172 	TP_STRUCT__entry(						\
173 		TP_STRUCT__entry_fsid					\
174 		args)
175 #define TP_fast_assign_btrfs(fs_info, args...)				\
176 	TP_fast_assign(							\
177 		TP_fast_assign_fsid(fs_info);				\
178 		args)
179 #define TP_printk_btrfs(fmt, args...) \
180 	TP_printk("%pU: " fmt, __entry->fsid, args)
181 
182 TRACE_EVENT(btrfs_transaction_commit,
183 
184 	TP_PROTO(const struct btrfs_root *root),
185 
186 	TP_ARGS(root),
187 
188 	TP_STRUCT__entry_btrfs(
189 		__field(	u64,  generation		)
190 		__field(	u64,  root_objectid		)
191 	),
192 
193 	TP_fast_assign_btrfs(root->fs_info,
194 		__entry->generation	= root->fs_info->generation;
195 		__entry->root_objectid	= root->root_key.objectid;
196 	),
197 
198 	TP_printk_btrfs("root=%llu(%s) gen=%llu",
199 		  show_root_type(__entry->root_objectid),
200 		  __entry->generation)
201 );
202 
203 DECLARE_EVENT_CLASS(btrfs__inode,
204 
205 	TP_PROTO(const struct inode *inode),
206 
207 	TP_ARGS(inode),
208 
209 	TP_STRUCT__entry_btrfs(
210 		__field(	u64,  ino			)
211 		__field(	u64,  blocks			)
212 		__field(	u64,  disk_i_size		)
213 		__field(	u64,  generation		)
214 		__field(	u64,  last_trans		)
215 		__field(	u64,  logged_trans		)
216 		__field(	u64,  root_objectid		)
217 	),
218 
219 	TP_fast_assign_btrfs(btrfs_sb(inode->i_sb),
220 		__entry->ino	= btrfs_ino(BTRFS_I(inode));
221 		__entry->blocks	= inode->i_blocks;
222 		__entry->disk_i_size  = BTRFS_I(inode)->disk_i_size;
223 		__entry->generation = BTRFS_I(inode)->generation;
224 		__entry->last_trans = BTRFS_I(inode)->last_trans;
225 		__entry->logged_trans = BTRFS_I(inode)->logged_trans;
226 		__entry->root_objectid =
227 				BTRFS_I(inode)->root->root_key.objectid;
228 	),
229 
230 	TP_printk_btrfs("root=%llu(%s) gen=%llu ino=%llu blocks=%llu "
231 		  "disk_i_size=%llu last_trans=%llu logged_trans=%llu",
232 		  show_root_type(__entry->root_objectid),
233 		  __entry->generation,
234 		  __entry->ino,
235 		  __entry->blocks,
236 		  __entry->disk_i_size,
237 		  __entry->last_trans,
238 		  __entry->logged_trans)
239 );
240 
241 DEFINE_EVENT(btrfs__inode, btrfs_inode_new,
242 
243 	TP_PROTO(const struct inode *inode),
244 
245 	TP_ARGS(inode)
246 );
247 
248 DEFINE_EVENT(btrfs__inode, btrfs_inode_request,
249 
250 	TP_PROTO(const struct inode *inode),
251 
252 	TP_ARGS(inode)
253 );
254 
255 DEFINE_EVENT(btrfs__inode, btrfs_inode_evict,
256 
257 	TP_PROTO(const struct inode *inode),
258 
259 	TP_ARGS(inode)
260 );
261 
262 #define __show_map_type(type)						\
263 	__print_symbolic_u64(type,					\
264 		{ EXTENT_MAP_LAST_BYTE, "LAST_BYTE" 	},		\
265 		{ EXTENT_MAP_HOLE, 	"HOLE" 		},		\
266 		{ EXTENT_MAP_INLINE, 	"INLINE" 	},		\
267 		{ EXTENT_MAP_DELALLOC,	"DELALLOC" 	})
268 
269 #define show_map_type(type)			\
270 	type, (type >= EXTENT_MAP_LAST_BYTE) ? "-" :  __show_map_type(type)
271 
272 #define show_map_flags(flag)						\
273 	__print_flags(flag, "|",					\
274 		{ (1 << EXTENT_FLAG_PINNED), 		"PINNED" 	},\
275 		{ (1 << EXTENT_FLAG_COMPRESSED), 	"COMPRESSED" 	},\
276 		{ (1 << EXTENT_FLAG_PREALLOC), 		"PREALLOC" 	},\
277 		{ (1 << EXTENT_FLAG_LOGGING),	 	"LOGGING" 	},\
278 		{ (1 << EXTENT_FLAG_FILLING),	 	"FILLING" 	},\
279 		{ (1 << EXTENT_FLAG_FS_MAPPING),	"FS_MAPPING"	})
280 
281 TRACE_EVENT_CONDITION(btrfs_get_extent,
282 
283 	TP_PROTO(const struct btrfs_root *root, const struct btrfs_inode *inode,
284 		 const struct extent_map *map),
285 
286 	TP_ARGS(root, inode, map),
287 
288 	TP_CONDITION(map),
289 
290 	TP_STRUCT__entry_btrfs(
291 		__field(	u64,  root_objectid	)
292 		__field(	u64,  ino		)
293 		__field(	u64,  start		)
294 		__field(	u64,  len		)
295 		__field(	u64,  orig_start	)
296 		__field(	u64,  block_start	)
297 		__field(	u64,  block_len		)
298 		__field(	unsigned long,  flags	)
299 		__field(	int,  refs		)
300 		__field(	unsigned int,  compress_type	)
301 	),
302 
303 	TP_fast_assign_btrfs(root->fs_info,
304 		__entry->root_objectid	= root->root_key.objectid;
305 		__entry->ino		= btrfs_ino(inode);
306 		__entry->start		= map->start;
307 		__entry->len		= map->len;
308 		__entry->orig_start	= map->orig_start;
309 		__entry->block_start	= map->block_start;
310 		__entry->block_len	= map->block_len;
311 		__entry->flags		= map->flags;
312 		__entry->refs		= refcount_read(&map->refs);
313 		__entry->compress_type	= map->compress_type;
314 	),
315 
316 	TP_printk_btrfs("root=%llu(%s) ino=%llu start=%llu len=%llu "
317 		  "orig_start=%llu block_start=%llu(%s) "
318 		  "block_len=%llu flags=%s refs=%u "
319 		  "compress_type=%u",
320 		  show_root_type(__entry->root_objectid),
321 		  __entry->ino,
322 		  __entry->start,
323 		  __entry->len,
324 		  __entry->orig_start,
325 		  show_map_type(__entry->block_start),
326 		  __entry->block_len,
327 		  show_map_flags(__entry->flags),
328 		  __entry->refs, __entry->compress_type)
329 );
330 
331 TRACE_EVENT(btrfs_handle_em_exist,
332 
333 	TP_PROTO(const struct btrfs_fs_info *fs_info,
334 		const struct extent_map *existing, const struct extent_map *map,
335 		u64 start, u64 len),
336 
337 	TP_ARGS(fs_info, existing, map, start, len),
338 
339 	TP_STRUCT__entry_btrfs(
340 		__field(	u64,  e_start		)
341 		__field(	u64,  e_len		)
342 		__field(	u64,  map_start		)
343 		__field(	u64,  map_len		)
344 		__field(	u64,  start		)
345 		__field(	u64,  len		)
346 	),
347 
348 	TP_fast_assign_btrfs(fs_info,
349 		__entry->e_start	= existing->start;
350 		__entry->e_len		= existing->len;
351 		__entry->map_start	= map->start;
352 		__entry->map_len	= map->len;
353 		__entry->start		= start;
354 		__entry->len		= len;
355 	),
356 
357 	TP_printk_btrfs("start=%llu len=%llu "
358 		  "existing(start=%llu len=%llu) "
359 		  "em(start=%llu len=%llu)",
360 		  __entry->start,
361 		  __entry->len,
362 		  __entry->e_start,
363 		  __entry->e_len,
364 		  __entry->map_start,
365 		  __entry->map_len)
366 );
367 
368 /* file extent item */
369 DECLARE_EVENT_CLASS(btrfs__file_extent_item_regular,
370 
371 	TP_PROTO(const struct btrfs_inode *bi, const struct extent_buffer *l,
372 		 const struct btrfs_file_extent_item *fi, u64 start),
373 
374 	TP_ARGS(bi, l, fi, start),
375 
376 	TP_STRUCT__entry_btrfs(
377 		__field(	u64,	root_obj	)
378 		__field(	u64,	ino		)
379 		__field(	loff_t,	isize		)
380 		__field(	u64,	disk_isize	)
381 		__field(	u64,	num_bytes	)
382 		__field(	u64,	ram_bytes	)
383 		__field(	u64,	disk_bytenr	)
384 		__field(	u64,	disk_num_bytes	)
385 		__field(	u64,	extent_offset	)
386 		__field(	u8,	extent_type	)
387 		__field(	u8,	compression	)
388 		__field(	u64,	extent_start	)
389 		__field(	u64,	extent_end	)
390 	),
391 
392 	TP_fast_assign_btrfs(bi->root->fs_info,
393 		__entry->root_obj	= bi->root->root_key.objectid;
394 		__entry->ino		= btrfs_ino(bi);
395 		__entry->isize		= bi->vfs_inode.i_size;
396 		__entry->disk_isize	= bi->disk_i_size;
397 		__entry->num_bytes	= btrfs_file_extent_num_bytes(l, fi);
398 		__entry->ram_bytes	= btrfs_file_extent_ram_bytes(l, fi);
399 		__entry->disk_bytenr	= btrfs_file_extent_disk_bytenr(l, fi);
400 		__entry->disk_num_bytes	= btrfs_file_extent_disk_num_bytes(l, fi);
401 		__entry->extent_offset	= btrfs_file_extent_offset(l, fi);
402 		__entry->extent_type	= btrfs_file_extent_type(l, fi);
403 		__entry->compression	= btrfs_file_extent_compression(l, fi);
404 		__entry->extent_start	= start;
405 		__entry->extent_end	= (start + __entry->num_bytes);
406 	),
407 
408 	TP_printk_btrfs(
409 		"root=%llu(%s) inode=%llu size=%llu disk_isize=%llu "
410 		"file extent range=[%llu %llu] "
411 		"(num_bytes=%llu ram_bytes=%llu disk_bytenr=%llu "
412 		"disk_num_bytes=%llu extent_offset=%llu type=%s "
413 		"compression=%u",
414 		show_root_type(__entry->root_obj), __entry->ino,
415 		__entry->isize,
416 		__entry->disk_isize, __entry->extent_start,
417 		__entry->extent_end, __entry->num_bytes, __entry->ram_bytes,
418 		__entry->disk_bytenr, __entry->disk_num_bytes,
419 		__entry->extent_offset, __print_symbolic(__entry->extent_type, FI_TYPES),
420 		__entry->compression)
421 );
422 
423 DECLARE_EVENT_CLASS(
424 	btrfs__file_extent_item_inline,
425 
426 	TP_PROTO(const struct btrfs_inode *bi, const struct extent_buffer *l,
427 		 const struct btrfs_file_extent_item *fi, int slot, u64 start),
428 
429 	TP_ARGS(bi, l, fi, slot,  start),
430 
431 	TP_STRUCT__entry_btrfs(
432 		__field(	u64,	root_obj	)
433 		__field(	u64,	ino		)
434 		__field(	loff_t,	isize		)
435 		__field(	u64,	disk_isize	)
436 		__field(	u8,	extent_type	)
437 		__field(	u8,	compression	)
438 		__field(	u64,	extent_start	)
439 		__field(	u64,	extent_end	)
440 	),
441 
442 	TP_fast_assign_btrfs(
443 		bi->root->fs_info,
444 		__entry->root_obj	= bi->root->root_key.objectid;
445 		__entry->ino		= btrfs_ino(bi);
446 		__entry->isize		= bi->vfs_inode.i_size;
447 		__entry->disk_isize	= bi->disk_i_size;
448 		__entry->extent_type	= btrfs_file_extent_type(l, fi);
449 		__entry->compression	= btrfs_file_extent_compression(l, fi);
450 		__entry->extent_start	= start;
451 		__entry->extent_end	= (start + btrfs_file_extent_ram_bytes(l, fi));
452 	),
453 
454 	TP_printk_btrfs(
455 		"root=%llu(%s) inode=%llu size=%llu disk_isize=%llu "
456 		"file extent range=[%llu %llu] "
457 		"extent_type=%s compression=%u",
458 		show_root_type(__entry->root_obj), __entry->ino, __entry->isize,
459 		__entry->disk_isize, __entry->extent_start,
460 		__entry->extent_end, __print_symbolic(__entry->extent_type, FI_TYPES),
461 		__entry->compression)
462 );
463 
464 DEFINE_EVENT(
465 	btrfs__file_extent_item_regular, btrfs_get_extent_show_fi_regular,
466 
467 	TP_PROTO(const struct btrfs_inode *bi, const struct extent_buffer *l,
468 		 const struct btrfs_file_extent_item *fi, u64 start),
469 
470 	TP_ARGS(bi, l, fi, start)
471 );
472 
473 DEFINE_EVENT(
474 	btrfs__file_extent_item_regular, btrfs_truncate_show_fi_regular,
475 
476 	TP_PROTO(const struct btrfs_inode *bi, const struct extent_buffer *l,
477 		 const struct btrfs_file_extent_item *fi, u64 start),
478 
479 	TP_ARGS(bi, l, fi, start)
480 );
481 
482 DEFINE_EVENT(
483 	btrfs__file_extent_item_inline, btrfs_get_extent_show_fi_inline,
484 
485 	TP_PROTO(const struct btrfs_inode *bi, const struct extent_buffer *l,
486 		 const struct btrfs_file_extent_item *fi, int slot, u64 start),
487 
488 	TP_ARGS(bi, l, fi, slot, start)
489 );
490 
491 DEFINE_EVENT(
492 	btrfs__file_extent_item_inline, btrfs_truncate_show_fi_inline,
493 
494 	TP_PROTO(const struct btrfs_inode *bi, const struct extent_buffer *l,
495 		 const struct btrfs_file_extent_item *fi, int slot, u64 start),
496 
497 	TP_ARGS(bi, l, fi, slot, start)
498 );
499 
500 #define show_ordered_flags(flags)					   \
501 	__print_flags(flags, "|",					   \
502 		{ (1 << BTRFS_ORDERED_REGULAR), 	"REGULAR" 	}, \
503 		{ (1 << BTRFS_ORDERED_NOCOW), 		"NOCOW" 	}, \
504 		{ (1 << BTRFS_ORDERED_PREALLOC), 	"PREALLOC" 	}, \
505 		{ (1 << BTRFS_ORDERED_COMPRESSED), 	"COMPRESSED" 	}, \
506 		{ (1 << BTRFS_ORDERED_DIRECT),	 	"DIRECT" 	}, \
507 		{ (1 << BTRFS_ORDERED_IO_DONE), 	"IO_DONE" 	}, \
508 		{ (1 << BTRFS_ORDERED_COMPLETE), 	"COMPLETE" 	}, \
509 		{ (1 << BTRFS_ORDERED_IOERR), 		"IOERR" 	}, \
510 		{ (1 << BTRFS_ORDERED_TRUNCATED), 	"TRUNCATED"	})
511 
512 
513 DECLARE_EVENT_CLASS(btrfs__ordered_extent,
514 
515 	TP_PROTO(const struct btrfs_inode *inode,
516 		 const struct btrfs_ordered_extent *ordered),
517 
518 	TP_ARGS(inode, ordered),
519 
520 	TP_STRUCT__entry_btrfs(
521 		__field(	u64,  ino		)
522 		__field(	u64,  file_offset	)
523 		__field(	u64,  start		)
524 		__field(	u64,  len		)
525 		__field(	u64,  disk_len		)
526 		__field(	u64,  bytes_left	)
527 		__field(	unsigned long,  flags	)
528 		__field(	int,  compress_type	)
529 		__field(	int,  refs		)
530 		__field(	u64,  root_objectid	)
531 		__field(	u64,  truncated_len	)
532 	),
533 
534 	TP_fast_assign_btrfs(inode->root->fs_info,
535 		__entry->ino 		= btrfs_ino(inode);
536 		__entry->file_offset	= ordered->file_offset;
537 		__entry->start		= ordered->disk_bytenr;
538 		__entry->len		= ordered->num_bytes;
539 		__entry->disk_len	= ordered->disk_num_bytes;
540 		__entry->bytes_left	= ordered->bytes_left;
541 		__entry->flags		= ordered->flags;
542 		__entry->compress_type	= ordered->compress_type;
543 		__entry->refs		= refcount_read(&ordered->refs);
544 		__entry->root_objectid	= inode->root->root_key.objectid;
545 		__entry->truncated_len	= ordered->truncated_len;
546 	),
547 
548 	TP_printk_btrfs("root=%llu(%s) ino=%llu file_offset=%llu "
549 		  "start=%llu len=%llu disk_len=%llu "
550 		  "truncated_len=%llu "
551 		  "bytes_left=%llu flags=%s compress_type=%d "
552 		  "refs=%d",
553 		  show_root_type(__entry->root_objectid),
554 		  __entry->ino,
555 		  __entry->file_offset,
556 		  __entry->start,
557 		  __entry->len,
558 		  __entry->disk_len,
559 		  __entry->truncated_len,
560 		  __entry->bytes_left,
561 		  show_ordered_flags(__entry->flags),
562 		  __entry->compress_type, __entry->refs)
563 );
564 
565 DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_add,
566 
567 	TP_PROTO(const struct btrfs_inode *inode,
568 		 const struct btrfs_ordered_extent *ordered),
569 
570 	TP_ARGS(inode, ordered)
571 );
572 
573 DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_remove,
574 
575 	TP_PROTO(const struct btrfs_inode *inode,
576 		 const struct btrfs_ordered_extent *ordered),
577 
578 	TP_ARGS(inode, ordered)
579 );
580 
581 DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_start,
582 
583 	TP_PROTO(const struct btrfs_inode *inode,
584 		 const struct btrfs_ordered_extent *ordered),
585 
586 	TP_ARGS(inode, ordered)
587 );
588 
589 DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_put,
590 
591 	TP_PROTO(const struct btrfs_inode *inode,
592 		 const struct btrfs_ordered_extent *ordered),
593 
594 	TP_ARGS(inode, ordered)
595 );
596 
597 DECLARE_EVENT_CLASS(btrfs__writepage,
598 
599 	TP_PROTO(const struct page *page, const struct inode *inode,
600 		 const struct writeback_control *wbc),
601 
602 	TP_ARGS(page, inode, wbc),
603 
604 	TP_STRUCT__entry_btrfs(
605 		__field(	u64,	ino			)
606 		__field(	pgoff_t,  index			)
607 		__field(	long,   nr_to_write		)
608 		__field(	long,   pages_skipped		)
609 		__field(	loff_t, range_start		)
610 		__field(	loff_t, range_end		)
611 		__field(	char,   for_kupdate		)
612 		__field(	char,   for_reclaim		)
613 		__field(	char,   range_cyclic		)
614 		__field(	unsigned long,  writeback_index	)
615 		__field(	u64,    root_objectid		)
616 	),
617 
618 	TP_fast_assign_btrfs(btrfs_sb(inode->i_sb),
619 		__entry->ino		= btrfs_ino(BTRFS_I(inode));
620 		__entry->index		= page->index;
621 		__entry->nr_to_write	= wbc->nr_to_write;
622 		__entry->pages_skipped	= wbc->pages_skipped;
623 		__entry->range_start	= wbc->range_start;
624 		__entry->range_end	= wbc->range_end;
625 		__entry->for_kupdate	= wbc->for_kupdate;
626 		__entry->for_reclaim	= wbc->for_reclaim;
627 		__entry->range_cyclic	= wbc->range_cyclic;
628 		__entry->writeback_index = inode->i_mapping->writeback_index;
629 		__entry->root_objectid	=
630 				 BTRFS_I(inode)->root->root_key.objectid;
631 	),
632 
633 	TP_printk_btrfs("root=%llu(%s) ino=%llu page_index=%lu "
634 		  "nr_to_write=%ld pages_skipped=%ld range_start=%llu "
635 		  "range_end=%llu for_kupdate=%d "
636 		  "for_reclaim=%d range_cyclic=%d writeback_index=%lu",
637 		  show_root_type(__entry->root_objectid),
638 		  __entry->ino, __entry->index,
639 		  __entry->nr_to_write, __entry->pages_skipped,
640 		  __entry->range_start, __entry->range_end,
641 		  __entry->for_kupdate,
642 		  __entry->for_reclaim, __entry->range_cyclic,
643 		  __entry->writeback_index)
644 );
645 
646 DEFINE_EVENT(btrfs__writepage, __extent_writepage,
647 
648 	TP_PROTO(const struct page *page, const struct inode *inode,
649 		 const struct writeback_control *wbc),
650 
651 	TP_ARGS(page, inode, wbc)
652 );
653 
654 TRACE_EVENT(btrfs_writepage_end_io_hook,
655 
656 	TP_PROTO(const struct page *page, u64 start, u64 end, int uptodate),
657 
658 	TP_ARGS(page, start, end, uptodate),
659 
660 	TP_STRUCT__entry_btrfs(
661 		__field(	u64,	 ino		)
662 		__field(	unsigned long, index	)
663 		__field(	u64,	 start		)
664 		__field(	u64,	 end		)
665 		__field(	int,	 uptodate	)
666 		__field(	u64,    root_objectid	)
667 	),
668 
669 	TP_fast_assign_btrfs(btrfs_sb(page->mapping->host->i_sb),
670 		__entry->ino	= btrfs_ino(BTRFS_I(page->mapping->host));
671 		__entry->index	= page->index;
672 		__entry->start	= start;
673 		__entry->end	= end;
674 		__entry->uptodate = uptodate;
675 		__entry->root_objectid	=
676 			 BTRFS_I(page->mapping->host)->root->root_key.objectid;
677 	),
678 
679 	TP_printk_btrfs("root=%llu(%s) ino=%llu page_index=%lu start=%llu "
680 		  "end=%llu uptodate=%d",
681 		  show_root_type(__entry->root_objectid),
682 		  __entry->ino, __entry->index,
683 		  __entry->start,
684 		  __entry->end, __entry->uptodate)
685 );
686 
687 TRACE_EVENT(btrfs_sync_file,
688 
689 	TP_PROTO(const struct file *file, int datasync),
690 
691 	TP_ARGS(file, datasync),
692 
693 	TP_STRUCT__entry_btrfs(
694 		__field(	u64,	ino		)
695 		__field(	u64,	parent		)
696 		__field(	int,    datasync	)
697 		__field(	u64,    root_objectid	)
698 	),
699 
700 	TP_fast_assign(
701 		const struct dentry *dentry = file->f_path.dentry;
702 		const struct inode *inode = d_inode(dentry);
703 
704 		TP_fast_assign_fsid(btrfs_sb(file->f_path.dentry->d_sb));
705 		__entry->ino		= btrfs_ino(BTRFS_I(inode));
706 		__entry->parent		= btrfs_ino(BTRFS_I(d_inode(dentry->d_parent)));
707 		__entry->datasync	= datasync;
708 		__entry->root_objectid	=
709 				 BTRFS_I(inode)->root->root_key.objectid;
710 	),
711 
712 	TP_printk_btrfs("root=%llu(%s) ino=%llu parent=%llu datasync=%d",
713 		  show_root_type(__entry->root_objectid),
714 		  __entry->ino,
715 		  __entry->parent,
716 		  __entry->datasync)
717 );
718 
719 TRACE_EVENT(btrfs_sync_fs,
720 
721 	TP_PROTO(const struct btrfs_fs_info *fs_info, int wait),
722 
723 	TP_ARGS(fs_info, wait),
724 
725 	TP_STRUCT__entry_btrfs(
726 		__field(	int,  wait		)
727 	),
728 
729 	TP_fast_assign_btrfs(fs_info,
730 		__entry->wait	= wait;
731 	),
732 
733 	TP_printk_btrfs("wait=%d", __entry->wait)
734 );
735 
736 TRACE_EVENT(btrfs_add_block_group,
737 
738 	TP_PROTO(const struct btrfs_fs_info *fs_info,
739 		 const struct btrfs_block_group *block_group, int create),
740 
741 	TP_ARGS(fs_info, block_group, create),
742 
743 	TP_STRUCT__entry_btrfs(
744 		__field(	u64,	offset			)
745 		__field(	u64,	size			)
746 		__field(	u64,	flags			)
747 		__field(	u64,	bytes_used		)
748 		__field(	u64,	bytes_super		)
749 		__field(	int,	create			)
750 	),
751 
752 	TP_fast_assign_btrfs(fs_info,
753 		__entry->offset		= block_group->start;
754 		__entry->size		= block_group->length;
755 		__entry->flags		= block_group->flags;
756 		__entry->bytes_used	= block_group->used;
757 		__entry->bytes_super	= block_group->bytes_super;
758 		__entry->create		= create;
759 	),
760 
761 	TP_printk_btrfs("block_group offset=%llu size=%llu "
762 		  "flags=%llu(%s) bytes_used=%llu bytes_super=%llu "
763 		  "create=%d",
764 		  __entry->offset,
765 		  __entry->size,
766 		  __entry->flags,
767 		  __print_flags((unsigned long)__entry->flags, "|",
768 				BTRFS_GROUP_FLAGS),
769 		  __entry->bytes_used,
770 		  __entry->bytes_super, __entry->create)
771 );
772 
773 #define show_ref_action(action)						\
774 	__print_symbolic(action,					\
775 		{ BTRFS_ADD_DELAYED_REF,    "ADD_DELAYED_REF" },	\
776 		{ BTRFS_DROP_DELAYED_REF,   "DROP_DELAYED_REF" },	\
777 		{ BTRFS_ADD_DELAYED_EXTENT, "ADD_DELAYED_EXTENT" }, 	\
778 		{ BTRFS_UPDATE_DELAYED_HEAD, "UPDATE_DELAYED_HEAD" })
779 
780 
781 DECLARE_EVENT_CLASS(btrfs_delayed_tree_ref,
782 
783 	TP_PROTO(const struct btrfs_fs_info *fs_info,
784 		 const struct btrfs_delayed_ref_node *ref,
785 		 const struct btrfs_delayed_tree_ref *full_ref,
786 		 int action),
787 
788 	TP_ARGS(fs_info, ref, full_ref, action),
789 
790 	TP_STRUCT__entry_btrfs(
791 		__field(	u64,  bytenr		)
792 		__field(	u64,  num_bytes		)
793 		__field(	int,  action		)
794 		__field(	u64,  parent		)
795 		__field(	u64,  ref_root		)
796 		__field(	int,  level		)
797 		__field(	int,  type		)
798 		__field(	u64,  seq		)
799 	),
800 
801 	TP_fast_assign_btrfs(fs_info,
802 		__entry->bytenr		= ref->bytenr;
803 		__entry->num_bytes	= ref->num_bytes;
804 		__entry->action		= action;
805 		__entry->parent		= full_ref->parent;
806 		__entry->ref_root	= full_ref->root;
807 		__entry->level		= full_ref->level;
808 		__entry->type		= ref->type;
809 		__entry->seq		= ref->seq;
810 	),
811 
812 	TP_printk_btrfs("bytenr=%llu num_bytes=%llu action=%s "
813 		  "parent=%llu(%s) ref_root=%llu(%s) level=%d "
814 		  "type=%s seq=%llu",
815 		  __entry->bytenr,
816 		  __entry->num_bytes,
817 		  show_ref_action(__entry->action),
818 		  show_root_type(__entry->parent),
819 		  show_root_type(__entry->ref_root),
820 		  __entry->level, show_ref_type(__entry->type),
821 		  __entry->seq)
822 );
823 
824 DEFINE_EVENT(btrfs_delayed_tree_ref,  add_delayed_tree_ref,
825 
826 	TP_PROTO(const struct btrfs_fs_info *fs_info,
827 		 const struct btrfs_delayed_ref_node *ref,
828 		 const struct btrfs_delayed_tree_ref *full_ref,
829 		 int action),
830 
831 	TP_ARGS(fs_info, ref, full_ref, action)
832 );
833 
834 DEFINE_EVENT(btrfs_delayed_tree_ref,  run_delayed_tree_ref,
835 
836 	TP_PROTO(const struct btrfs_fs_info *fs_info,
837 		 const struct btrfs_delayed_ref_node *ref,
838 		 const struct btrfs_delayed_tree_ref *full_ref,
839 		 int action),
840 
841 	TP_ARGS(fs_info, ref, full_ref, action)
842 );
843 
844 DECLARE_EVENT_CLASS(btrfs_delayed_data_ref,
845 
846 	TP_PROTO(const struct btrfs_fs_info *fs_info,
847 		 const struct btrfs_delayed_ref_node *ref,
848 		 const struct btrfs_delayed_data_ref *full_ref,
849 		 int action),
850 
851 	TP_ARGS(fs_info, ref, full_ref, action),
852 
853 	TP_STRUCT__entry_btrfs(
854 		__field(	u64,  bytenr		)
855 		__field(	u64,  num_bytes		)
856 		__field(	int,  action		)
857 		__field(	u64,  parent		)
858 		__field(	u64,  ref_root		)
859 		__field(	u64,  owner		)
860 		__field(	u64,  offset		)
861 		__field(	int,  type		)
862 		__field(	u64,  seq		)
863 	),
864 
865 	TP_fast_assign_btrfs(fs_info,
866 		__entry->bytenr		= ref->bytenr;
867 		__entry->num_bytes	= ref->num_bytes;
868 		__entry->action		= action;
869 		__entry->parent		= full_ref->parent;
870 		__entry->ref_root	= full_ref->root;
871 		__entry->owner		= full_ref->objectid;
872 		__entry->offset		= full_ref->offset;
873 		__entry->type		= ref->type;
874 		__entry->seq		= ref->seq;
875 	),
876 
877 	TP_printk_btrfs("bytenr=%llu num_bytes=%llu action=%s "
878 		  "parent=%llu(%s) ref_root=%llu(%s) owner=%llu "
879 		  "offset=%llu type=%s seq=%llu",
880 		  __entry->bytenr,
881 		  __entry->num_bytes,
882 		  show_ref_action(__entry->action),
883 		  show_root_type(__entry->parent),
884 		  show_root_type(__entry->ref_root),
885 		  __entry->owner,
886 		  __entry->offset,
887 		  show_ref_type(__entry->type),
888 		  __entry->seq)
889 );
890 
891 DEFINE_EVENT(btrfs_delayed_data_ref,  add_delayed_data_ref,
892 
893 	TP_PROTO(const struct btrfs_fs_info *fs_info,
894 		 const struct btrfs_delayed_ref_node *ref,
895 		 const struct btrfs_delayed_data_ref *full_ref,
896 		 int action),
897 
898 	TP_ARGS(fs_info, ref, full_ref, action)
899 );
900 
901 DEFINE_EVENT(btrfs_delayed_data_ref,  run_delayed_data_ref,
902 
903 	TP_PROTO(const struct btrfs_fs_info *fs_info,
904 		 const struct btrfs_delayed_ref_node *ref,
905 		 const struct btrfs_delayed_data_ref *full_ref,
906 		 int action),
907 
908 	TP_ARGS(fs_info, ref, full_ref, action)
909 );
910 
911 DECLARE_EVENT_CLASS(btrfs_delayed_ref_head,
912 
913 	TP_PROTO(const struct btrfs_fs_info *fs_info,
914 		 const struct btrfs_delayed_ref_head *head_ref,
915 		 int action),
916 
917 	TP_ARGS(fs_info, head_ref, action),
918 
919 	TP_STRUCT__entry_btrfs(
920 		__field(	u64,  bytenr		)
921 		__field(	u64,  num_bytes		)
922 		__field(	int,  action		)
923 		__field(	int,  is_data		)
924 	),
925 
926 	TP_fast_assign_btrfs(fs_info,
927 		__entry->bytenr		= head_ref->bytenr;
928 		__entry->num_bytes	= head_ref->num_bytes;
929 		__entry->action		= action;
930 		__entry->is_data	= head_ref->is_data;
931 	),
932 
933 	TP_printk_btrfs("bytenr=%llu num_bytes=%llu action=%s is_data=%d",
934 		  __entry->bytenr,
935 		  __entry->num_bytes,
936 		  show_ref_action(__entry->action),
937 		  __entry->is_data)
938 );
939 
940 DEFINE_EVENT(btrfs_delayed_ref_head,  add_delayed_ref_head,
941 
942 	TP_PROTO(const struct btrfs_fs_info *fs_info,
943 		 const struct btrfs_delayed_ref_head *head_ref,
944 		 int action),
945 
946 	TP_ARGS(fs_info, head_ref, action)
947 );
948 
949 DEFINE_EVENT(btrfs_delayed_ref_head,  run_delayed_ref_head,
950 
951 	TP_PROTO(const struct btrfs_fs_info *fs_info,
952 		 const struct btrfs_delayed_ref_head *head_ref,
953 		 int action),
954 
955 	TP_ARGS(fs_info, head_ref, action)
956 );
957 
958 #define show_chunk_type(type)					\
959 	__print_flags(type, "|",				\
960 		{ BTRFS_BLOCK_GROUP_DATA, 	"DATA"	},	\
961 		{ BTRFS_BLOCK_GROUP_SYSTEM, 	"SYSTEM"},	\
962 		{ BTRFS_BLOCK_GROUP_METADATA, 	"METADATA"},	\
963 		{ BTRFS_BLOCK_GROUP_RAID0, 	"RAID0" },	\
964 		{ BTRFS_BLOCK_GROUP_RAID1, 	"RAID1" },	\
965 		{ BTRFS_BLOCK_GROUP_DUP, 	"DUP"	},	\
966 		{ BTRFS_BLOCK_GROUP_RAID10, 	"RAID10"},	\
967 		{ BTRFS_BLOCK_GROUP_RAID5, 	"RAID5"	},	\
968 		{ BTRFS_BLOCK_GROUP_RAID6, 	"RAID6"	})
969 
970 DECLARE_EVENT_CLASS(btrfs__chunk,
971 
972 	TP_PROTO(const struct btrfs_fs_info *fs_info,
973 		 const struct map_lookup *map, u64 offset, u64 size),
974 
975 	TP_ARGS(fs_info, map, offset, size),
976 
977 	TP_STRUCT__entry_btrfs(
978 		__field(	int,  num_stripes		)
979 		__field(	u64,  type			)
980 		__field(	int,  sub_stripes		)
981 		__field(	u64,  offset			)
982 		__field(	u64,  size			)
983 		__field(	u64,  root_objectid		)
984 	),
985 
986 	TP_fast_assign_btrfs(fs_info,
987 		__entry->num_stripes	= map->num_stripes;
988 		__entry->type		= map->type;
989 		__entry->sub_stripes	= map->sub_stripes;
990 		__entry->offset		= offset;
991 		__entry->size		= size;
992 		__entry->root_objectid	= fs_info->chunk_root->root_key.objectid;
993 	),
994 
995 	TP_printk_btrfs("root=%llu(%s) offset=%llu size=%llu "
996 		  "num_stripes=%d sub_stripes=%d type=%s",
997 		  show_root_type(__entry->root_objectid),
998 		  __entry->offset,
999 		  __entry->size,
1000 		  __entry->num_stripes, __entry->sub_stripes,
1001 		  show_chunk_type(__entry->type))
1002 );
1003 
1004 DEFINE_EVENT(btrfs__chunk,  btrfs_chunk_alloc,
1005 
1006 	TP_PROTO(const struct btrfs_fs_info *fs_info,
1007 		 const struct map_lookup *map, u64 offset, u64 size),
1008 
1009 	TP_ARGS(fs_info, map, offset, size)
1010 );
1011 
1012 DEFINE_EVENT(btrfs__chunk,  btrfs_chunk_free,
1013 
1014 	TP_PROTO(const struct btrfs_fs_info *fs_info,
1015 		 const struct map_lookup *map, u64 offset, u64 size),
1016 
1017 	TP_ARGS(fs_info, map, offset, size)
1018 );
1019 
1020 TRACE_EVENT(btrfs_cow_block,
1021 
1022 	TP_PROTO(const struct btrfs_root *root, const struct extent_buffer *buf,
1023 		 const struct extent_buffer *cow),
1024 
1025 	TP_ARGS(root, buf, cow),
1026 
1027 	TP_STRUCT__entry_btrfs(
1028 		__field(	u64,  root_objectid		)
1029 		__field(	u64,  buf_start			)
1030 		__field(	int,  refs			)
1031 		__field(	u64,  cow_start			)
1032 		__field(	int,  buf_level			)
1033 		__field(	int,  cow_level			)
1034 	),
1035 
1036 	TP_fast_assign_btrfs(root->fs_info,
1037 		__entry->root_objectid	= root->root_key.objectid;
1038 		__entry->buf_start	= buf->start;
1039 		__entry->refs		= atomic_read(&buf->refs);
1040 		__entry->cow_start	= cow->start;
1041 		__entry->buf_level	= btrfs_header_level(buf);
1042 		__entry->cow_level	= btrfs_header_level(cow);
1043 	),
1044 
1045 	TP_printk_btrfs("root=%llu(%s) refs=%d orig_buf=%llu "
1046 		  "(orig_level=%d) cow_buf=%llu (cow_level=%d)",
1047 		  show_root_type(__entry->root_objectid),
1048 		  __entry->refs,
1049 		  __entry->buf_start,
1050 		  __entry->buf_level,
1051 		  __entry->cow_start,
1052 		  __entry->cow_level)
1053 );
1054 
1055 TRACE_EVENT(btrfs_space_reservation,
1056 
1057 	TP_PROTO(const struct btrfs_fs_info *fs_info, const char *type, u64 val,
1058 		 u64 bytes, int reserve),
1059 
1060 	TP_ARGS(fs_info, type, val, bytes, reserve),
1061 
1062 	TP_STRUCT__entry_btrfs(
1063 		__string(	type,	type			)
1064 		__field(	u64,	val			)
1065 		__field(	u64,	bytes			)
1066 		__field(	int,	reserve			)
1067 	),
1068 
1069 	TP_fast_assign_btrfs(fs_info,
1070 		__assign_str(type, type);
1071 		__entry->val		= val;
1072 		__entry->bytes		= bytes;
1073 		__entry->reserve	= reserve;
1074 	),
1075 
1076 	TP_printk_btrfs("%s: %llu %s %llu", __get_str(type), __entry->val,
1077 			__entry->reserve ? "reserve" : "release",
1078 			__entry->bytes)
1079 );
1080 
1081 TRACE_EVENT(btrfs_trigger_flush,
1082 
1083 	TP_PROTO(const struct btrfs_fs_info *fs_info, u64 flags, u64 bytes,
1084 		 int flush, const char *reason),
1085 
1086 	TP_ARGS(fs_info, flags, bytes, flush, reason),
1087 
1088 	TP_STRUCT__entry_btrfs(
1089 		__field(	u64,	flags			)
1090 		__field(	u64,	bytes			)
1091 		__field(	int,	flush			)
1092 		__string(	reason,	reason			)
1093 	),
1094 
1095 	TP_fast_assign_btrfs(fs_info,
1096 		__entry->flags	= flags;
1097 		__entry->bytes	= bytes;
1098 		__entry->flush	= flush;
1099 		__assign_str(reason, reason)
1100 	),
1101 
1102 	TP_printk_btrfs("%s: flush=%d(%s) flags=%llu(%s) bytes=%llu",
1103 		  __get_str(reason), __entry->flush,
1104 		  __print_symbolic(__entry->flush, FLUSH_ACTIONS),
1105 		  __entry->flags,
1106 		  __print_flags((unsigned long)__entry->flags, "|",
1107 				BTRFS_GROUP_FLAGS),
1108 		  __entry->bytes)
1109 );
1110 
1111 
1112 TRACE_EVENT(btrfs_flush_space,
1113 
1114 	TP_PROTO(const struct btrfs_fs_info *fs_info, u64 flags, u64 num_bytes,
1115 		 int state, int ret),
1116 
1117 	TP_ARGS(fs_info, flags, num_bytes, state, ret),
1118 
1119 	TP_STRUCT__entry_btrfs(
1120 		__field(	u64,	flags			)
1121 		__field(	u64,	num_bytes		)
1122 		__field(	int,	state			)
1123 		__field(	int,	ret			)
1124 	),
1125 
1126 	TP_fast_assign_btrfs(fs_info,
1127 		__entry->flags		=	flags;
1128 		__entry->num_bytes	=	num_bytes;
1129 		__entry->state		=	state;
1130 		__entry->ret		=	ret;
1131 	),
1132 
1133 	TP_printk_btrfs("state=%d(%s) flags=%llu(%s) num_bytes=%llu ret=%d",
1134 		  __entry->state,
1135 		  __print_symbolic(__entry->state, FLUSH_STATES),
1136 		  __entry->flags,
1137 		  __print_flags((unsigned long)__entry->flags, "|",
1138 				BTRFS_GROUP_FLAGS),
1139 		  __entry->num_bytes, __entry->ret)
1140 );
1141 
1142 DECLARE_EVENT_CLASS(btrfs__reserved_extent,
1143 
1144 	TP_PROTO(const struct btrfs_fs_info *fs_info, u64 start, u64 len),
1145 
1146 	TP_ARGS(fs_info, start, len),
1147 
1148 	TP_STRUCT__entry_btrfs(
1149 		__field(	u64,  start			)
1150 		__field(	u64,  len			)
1151 	),
1152 
1153 	TP_fast_assign_btrfs(fs_info,
1154 		__entry->start		= start;
1155 		__entry->len		= len;
1156 	),
1157 
1158 	TP_printk_btrfs("root=%llu(%s) start=%llu len=%llu",
1159 		  show_root_type(BTRFS_EXTENT_TREE_OBJECTID),
1160 		  __entry->start,
1161 		  __entry->len)
1162 );
1163 
1164 DEFINE_EVENT(btrfs__reserved_extent,  btrfs_reserved_extent_alloc,
1165 
1166 	TP_PROTO(const struct btrfs_fs_info *fs_info, u64 start, u64 len),
1167 
1168 	TP_ARGS(fs_info, start, len)
1169 );
1170 
1171 DEFINE_EVENT(btrfs__reserved_extent,  btrfs_reserved_extent_free,
1172 
1173 	TP_PROTO(const struct btrfs_fs_info *fs_info, u64 start, u64 len),
1174 
1175 	TP_ARGS(fs_info, start, len)
1176 );
1177 
1178 TRACE_EVENT(find_free_extent,
1179 
1180 	TP_PROTO(const struct btrfs_root *root, u64 num_bytes,
1181 		 u64 empty_size, u64 data),
1182 
1183 	TP_ARGS(root, num_bytes, empty_size, data),
1184 
1185 	TP_STRUCT__entry_btrfs(
1186 		__field(	u64,	root_objectid		)
1187 		__field(	u64,	num_bytes		)
1188 		__field(	u64,	empty_size		)
1189 		__field(	u64,	data			)
1190 	),
1191 
1192 	TP_fast_assign_btrfs(root->fs_info,
1193 		__entry->root_objectid	= root->root_key.objectid;
1194 		__entry->num_bytes	= num_bytes;
1195 		__entry->empty_size	= empty_size;
1196 		__entry->data		= data;
1197 	),
1198 
1199 	TP_printk_btrfs("root=%llu(%s) len=%llu empty_size=%llu flags=%llu(%s)",
1200 		  show_root_type(__entry->root_objectid),
1201 		  __entry->num_bytes, __entry->empty_size, __entry->data,
1202 		  __print_flags((unsigned long)__entry->data, "|",
1203 				 BTRFS_GROUP_FLAGS))
1204 );
1205 
1206 DECLARE_EVENT_CLASS(btrfs__reserve_extent,
1207 
1208 	TP_PROTO(const struct btrfs_block_group *block_group, u64 start,
1209 		 u64 len),
1210 
1211 	TP_ARGS(block_group, start, len),
1212 
1213 	TP_STRUCT__entry_btrfs(
1214 		__field(	u64,	bg_objectid		)
1215 		__field(	u64,	flags			)
1216 		__field(	u64,	start			)
1217 		__field(	u64,	len			)
1218 	),
1219 
1220 	TP_fast_assign_btrfs(block_group->fs_info,
1221 		__entry->bg_objectid	= block_group->start;
1222 		__entry->flags		= block_group->flags;
1223 		__entry->start		= start;
1224 		__entry->len		= len;
1225 	),
1226 
1227 	TP_printk_btrfs("root=%llu(%s) block_group=%llu flags=%llu(%s) "
1228 		  "start=%llu len=%llu",
1229 		  show_root_type(BTRFS_EXTENT_TREE_OBJECTID),
1230 		  __entry->bg_objectid,
1231 		  __entry->flags, __print_flags((unsigned long)__entry->flags,
1232 						"|", BTRFS_GROUP_FLAGS),
1233 		  __entry->start, __entry->len)
1234 );
1235 
1236 DEFINE_EVENT(btrfs__reserve_extent, btrfs_reserve_extent,
1237 
1238 	TP_PROTO(const struct btrfs_block_group *block_group, u64 start,
1239 		 u64 len),
1240 
1241 	TP_ARGS(block_group, start, len)
1242 );
1243 
1244 DEFINE_EVENT(btrfs__reserve_extent, btrfs_reserve_extent_cluster,
1245 
1246 	TP_PROTO(const struct btrfs_block_group *block_group, u64 start,
1247 		 u64 len),
1248 
1249 	TP_ARGS(block_group, start, len)
1250 );
1251 
1252 TRACE_EVENT(btrfs_find_cluster,
1253 
1254 	TP_PROTO(const struct btrfs_block_group *block_group, u64 start,
1255 		 u64 bytes, u64 empty_size, u64 min_bytes),
1256 
1257 	TP_ARGS(block_group, start, bytes, empty_size, min_bytes),
1258 
1259 	TP_STRUCT__entry_btrfs(
1260 		__field(	u64,	bg_objectid		)
1261 		__field(	u64,	flags			)
1262 		__field(	u64,	start			)
1263 		__field(	u64,	bytes			)
1264 		__field(	u64,	empty_size		)
1265 		__field(	u64,	min_bytes		)
1266 	),
1267 
1268 	TP_fast_assign_btrfs(block_group->fs_info,
1269 		__entry->bg_objectid	= block_group->start;
1270 		__entry->flags		= block_group->flags;
1271 		__entry->start		= start;
1272 		__entry->bytes		= bytes;
1273 		__entry->empty_size	= empty_size;
1274 		__entry->min_bytes	= min_bytes;
1275 	),
1276 
1277 	TP_printk_btrfs("block_group=%llu flags=%llu(%s) start=%llu len=%llu "
1278 		  "empty_size=%llu min_bytes=%llu", __entry->bg_objectid,
1279 		  __entry->flags,
1280 		  __print_flags((unsigned long)__entry->flags, "|",
1281 				BTRFS_GROUP_FLAGS), __entry->start,
1282 		  __entry->bytes, __entry->empty_size,  __entry->min_bytes)
1283 );
1284 
1285 TRACE_EVENT(btrfs_failed_cluster_setup,
1286 
1287 	TP_PROTO(const struct btrfs_block_group *block_group),
1288 
1289 	TP_ARGS(block_group),
1290 
1291 	TP_STRUCT__entry_btrfs(
1292 		__field(	u64,	bg_objectid		)
1293 	),
1294 
1295 	TP_fast_assign_btrfs(block_group->fs_info,
1296 		__entry->bg_objectid	= block_group->start;
1297 	),
1298 
1299 	TP_printk_btrfs("block_group=%llu", __entry->bg_objectid)
1300 );
1301 
1302 TRACE_EVENT(btrfs_setup_cluster,
1303 
1304 	TP_PROTO(const struct btrfs_block_group *block_group,
1305 		 const struct btrfs_free_cluster *cluster,
1306 		 u64 size, int bitmap),
1307 
1308 	TP_ARGS(block_group, cluster, size, bitmap),
1309 
1310 	TP_STRUCT__entry_btrfs(
1311 		__field(	u64,	bg_objectid		)
1312 		__field(	u64,	flags			)
1313 		__field(	u64,	start			)
1314 		__field(	u64,	max_size		)
1315 		__field(	u64,	size			)
1316 		__field(	int,	bitmap			)
1317 	),
1318 
1319 	TP_fast_assign_btrfs(block_group->fs_info,
1320 		__entry->bg_objectid	= block_group->start;
1321 		__entry->flags		= block_group->flags;
1322 		__entry->start		= cluster->window_start;
1323 		__entry->max_size	= cluster->max_size;
1324 		__entry->size		= size;
1325 		__entry->bitmap		= bitmap;
1326 	),
1327 
1328 	TP_printk_btrfs("block_group=%llu flags=%llu(%s) window_start=%llu "
1329 		  "size=%llu max_size=%llu bitmap=%d",
1330 		  __entry->bg_objectid,
1331 		  __entry->flags,
1332 		  __print_flags((unsigned long)__entry->flags, "|",
1333 				BTRFS_GROUP_FLAGS), __entry->start,
1334 		  __entry->size, __entry->max_size, __entry->bitmap)
1335 );
1336 
1337 struct extent_state;
1338 TRACE_EVENT(alloc_extent_state,
1339 
1340 	TP_PROTO(const struct extent_state *state,
1341 		 gfp_t mask, unsigned long IP),
1342 
1343 	TP_ARGS(state, mask, IP),
1344 
1345 	TP_STRUCT__entry(
1346 		__field(const struct extent_state *, state)
1347 		__field(gfp_t, mask)
1348 		__field(const void*, ip)
1349 	),
1350 
1351 	TP_fast_assign(
1352 		__entry->state	= state,
1353 		__entry->mask	= mask,
1354 		__entry->ip	= (const void *)IP
1355 	),
1356 
1357 	TP_printk("state=%p mask=%s caller=%pS", __entry->state,
1358 		  show_gfp_flags(__entry->mask), __entry->ip)
1359 );
1360 
1361 TRACE_EVENT(free_extent_state,
1362 
1363 	TP_PROTO(const struct extent_state *state, unsigned long IP),
1364 
1365 	TP_ARGS(state, IP),
1366 
1367 	TP_STRUCT__entry(
1368 		__field(const struct extent_state *, state)
1369 		__field(const void*, ip)
1370 	),
1371 
1372 	TP_fast_assign(
1373 		__entry->state	= state,
1374 		__entry->ip = (const void *)IP
1375 	),
1376 
1377 	TP_printk("state=%p caller=%pS", __entry->state, __entry->ip)
1378 );
1379 
1380 DECLARE_EVENT_CLASS(btrfs__work,
1381 
1382 	TP_PROTO(const struct btrfs_work *work),
1383 
1384 	TP_ARGS(work),
1385 
1386 	TP_STRUCT__entry_btrfs(
1387 		__field(	const void *,	work			)
1388 		__field(	const void *,	wq			)
1389 		__field(	const void *,	func			)
1390 		__field(	const void *,	ordered_func		)
1391 		__field(	const void *,	ordered_free		)
1392 		__field(	const void *,	normal_work		)
1393 	),
1394 
1395 	TP_fast_assign_btrfs(btrfs_work_owner(work),
1396 		__entry->work		= work;
1397 		__entry->wq		= work->wq;
1398 		__entry->func		= work->func;
1399 		__entry->ordered_func	= work->ordered_func;
1400 		__entry->ordered_free	= work->ordered_free;
1401 		__entry->normal_work	= &work->normal_work;
1402 	),
1403 
1404 	TP_printk_btrfs("work=%p (normal_work=%p) wq=%p func=%ps ordered_func=%p "
1405 		  "ordered_free=%p",
1406 		  __entry->work, __entry->normal_work, __entry->wq,
1407 		   __entry->func, __entry->ordered_func, __entry->ordered_free)
1408 );
1409 
1410 /*
1411  * For situations when the work is freed, we pass fs_info and a tag that matches
1412  * the address of the work structure so it can be paired with the scheduling
1413  * event. DO NOT add anything here that dereferences wtag.
1414  */
1415 DECLARE_EVENT_CLASS(btrfs__work__done,
1416 
1417 	TP_PROTO(const struct btrfs_fs_info *fs_info, const void *wtag),
1418 
1419 	TP_ARGS(fs_info, wtag),
1420 
1421 	TP_STRUCT__entry_btrfs(
1422 		__field(	const void *,	wtag			)
1423 	),
1424 
1425 	TP_fast_assign_btrfs(fs_info,
1426 		__entry->wtag		= wtag;
1427 	),
1428 
1429 	TP_printk_btrfs("work->%p", __entry->wtag)
1430 );
1431 
1432 DEFINE_EVENT(btrfs__work, btrfs_work_queued,
1433 
1434 	TP_PROTO(const struct btrfs_work *work),
1435 
1436 	TP_ARGS(work)
1437 );
1438 
1439 DEFINE_EVENT(btrfs__work, btrfs_work_sched,
1440 
1441 	TP_PROTO(const struct btrfs_work *work),
1442 
1443 	TP_ARGS(work)
1444 );
1445 
1446 DEFINE_EVENT(btrfs__work__done, btrfs_all_work_done,
1447 
1448 	TP_PROTO(const struct btrfs_fs_info *fs_info, const void *wtag),
1449 
1450 	TP_ARGS(fs_info, wtag)
1451 );
1452 
1453 DEFINE_EVENT(btrfs__work, btrfs_ordered_sched,
1454 
1455 	TP_PROTO(const struct btrfs_work *work),
1456 
1457 	TP_ARGS(work)
1458 );
1459 
1460 DECLARE_EVENT_CLASS(btrfs__workqueue,
1461 
1462 	TP_PROTO(const struct __btrfs_workqueue *wq,
1463 		 const char *name, int high),
1464 
1465 	TP_ARGS(wq, name, high),
1466 
1467 	TP_STRUCT__entry_btrfs(
1468 		__field(	const void *,	wq			)
1469 		__string(	name,	name			)
1470 		__field(	int ,	high			)
1471 	),
1472 
1473 	TP_fast_assign_btrfs(btrfs_workqueue_owner(wq),
1474 		__entry->wq		= wq;
1475 		__assign_str(name, name);
1476 		__entry->high		= high;
1477 	),
1478 
1479 	TP_printk_btrfs("name=%s%s wq=%p", __get_str(name),
1480 		  __print_flags(__entry->high, "",
1481 				{(WQ_HIGHPRI),	"-high"}),
1482 		  __entry->wq)
1483 );
1484 
1485 DEFINE_EVENT(btrfs__workqueue, btrfs_workqueue_alloc,
1486 
1487 	TP_PROTO(const struct __btrfs_workqueue *wq,
1488 		 const char *name, int high),
1489 
1490 	TP_ARGS(wq, name, high)
1491 );
1492 
1493 DECLARE_EVENT_CLASS(btrfs__workqueue_done,
1494 
1495 	TP_PROTO(const struct __btrfs_workqueue *wq),
1496 
1497 	TP_ARGS(wq),
1498 
1499 	TP_STRUCT__entry_btrfs(
1500 		__field(	const void *,	wq		)
1501 	),
1502 
1503 	TP_fast_assign_btrfs(btrfs_workqueue_owner(wq),
1504 		__entry->wq		= wq;
1505 	),
1506 
1507 	TP_printk_btrfs("wq=%p", __entry->wq)
1508 );
1509 
1510 DEFINE_EVENT(btrfs__workqueue_done, btrfs_workqueue_destroy,
1511 
1512 	TP_PROTO(const struct __btrfs_workqueue *wq),
1513 
1514 	TP_ARGS(wq)
1515 );
1516 
1517 #define BTRFS_QGROUP_OPERATIONS				\
1518 	{ QGROUP_RESERVE,	"reserve"	},	\
1519 	{ QGROUP_RELEASE,	"release"	},	\
1520 	{ QGROUP_FREE,		"free"		}
1521 
1522 DECLARE_EVENT_CLASS(btrfs__qgroup_rsv_data,
1523 
1524 	TP_PROTO(const struct inode *inode, u64 start, u64 len,
1525 		 u64 reserved, int op),
1526 
1527 	TP_ARGS(inode, start, len, reserved, op),
1528 
1529 	TP_STRUCT__entry_btrfs(
1530 		__field(	u64,		rootid		)
1531 		__field(	u64,		ino		)
1532 		__field(	u64,		start		)
1533 		__field(	u64,		len		)
1534 		__field(	u64,		reserved	)
1535 		__field(	int,		op		)
1536 	),
1537 
1538 	TP_fast_assign_btrfs(btrfs_sb(inode->i_sb),
1539 		__entry->rootid		=
1540 			BTRFS_I(inode)->root->root_key.objectid;
1541 		__entry->ino		= btrfs_ino(BTRFS_I(inode));
1542 		__entry->start		= start;
1543 		__entry->len		= len;
1544 		__entry->reserved	= reserved;
1545 		__entry->op		= op;
1546 	),
1547 
1548 	TP_printk_btrfs("root=%llu ino=%llu start=%llu len=%llu reserved=%llu op=%s",
1549 		  __entry->rootid, __entry->ino, __entry->start, __entry->len,
1550 		  __entry->reserved,
1551 		  __print_flags((unsigned long)__entry->op, "",
1552 				BTRFS_QGROUP_OPERATIONS)
1553 	)
1554 );
1555 
1556 DEFINE_EVENT(btrfs__qgroup_rsv_data, btrfs_qgroup_reserve_data,
1557 
1558 	TP_PROTO(const struct inode *inode, u64 start, u64 len,
1559 		 u64 reserved, int op),
1560 
1561 	TP_ARGS(inode, start, len, reserved, op)
1562 );
1563 
1564 DEFINE_EVENT(btrfs__qgroup_rsv_data, btrfs_qgroup_release_data,
1565 
1566 	TP_PROTO(const struct inode *inode, u64 start, u64 len,
1567 		 u64 reserved, int op),
1568 
1569 	TP_ARGS(inode, start, len, reserved, op)
1570 );
1571 
1572 DECLARE_EVENT_CLASS(btrfs_qgroup_extent,
1573 	TP_PROTO(const struct btrfs_fs_info *fs_info,
1574 		 const struct btrfs_qgroup_extent_record *rec),
1575 
1576 	TP_ARGS(fs_info, rec),
1577 
1578 	TP_STRUCT__entry_btrfs(
1579 		__field(	u64,  bytenr		)
1580 		__field(	u64,  num_bytes		)
1581 	),
1582 
1583 	TP_fast_assign_btrfs(fs_info,
1584 		__entry->bytenr		= rec->bytenr,
1585 		__entry->num_bytes	= rec->num_bytes;
1586 	),
1587 
1588 	TP_printk_btrfs("bytenr=%llu num_bytes=%llu",
1589 		  __entry->bytenr, __entry->num_bytes)
1590 );
1591 
1592 DEFINE_EVENT(btrfs_qgroup_extent, btrfs_qgroup_account_extents,
1593 
1594 	TP_PROTO(const struct btrfs_fs_info *fs_info,
1595 		 const struct btrfs_qgroup_extent_record *rec),
1596 
1597 	TP_ARGS(fs_info, rec)
1598 );
1599 
1600 DEFINE_EVENT(btrfs_qgroup_extent, btrfs_qgroup_trace_extent,
1601 
1602 	TP_PROTO(const struct btrfs_fs_info *fs_info,
1603 		 const struct btrfs_qgroup_extent_record *rec),
1604 
1605 	TP_ARGS(fs_info, rec)
1606 );
1607 
1608 TRACE_EVENT(qgroup_num_dirty_extents,
1609 
1610 	TP_PROTO(const struct btrfs_fs_info *fs_info, u64 transid,
1611 		 u64 num_dirty_extents),
1612 
1613 	TP_ARGS(fs_info, transid, num_dirty_extents),
1614 
1615 	TP_STRUCT__entry_btrfs(
1616 		__field(	u64, transid			)
1617 		__field(	u64, num_dirty_extents		)
1618 	),
1619 
1620 	TP_fast_assign_btrfs(fs_info,
1621 		__entry->transid	   = transid;
1622 		__entry->num_dirty_extents = num_dirty_extents;
1623 	),
1624 
1625 	TP_printk_btrfs("transid=%llu num_dirty_extents=%llu",
1626 		__entry->transid, __entry->num_dirty_extents)
1627 );
1628 
1629 TRACE_EVENT(btrfs_qgroup_account_extent,
1630 
1631 	TP_PROTO(const struct btrfs_fs_info *fs_info, u64 transid, u64 bytenr,
1632 		 u64 num_bytes, u64 nr_old_roots, u64 nr_new_roots),
1633 
1634 	TP_ARGS(fs_info, transid, bytenr, num_bytes, nr_old_roots,
1635 		nr_new_roots),
1636 
1637 	TP_STRUCT__entry_btrfs(
1638 		__field(	u64,  transid			)
1639 		__field(	u64,  bytenr			)
1640 		__field(	u64,  num_bytes			)
1641 		__field(	u64,  nr_old_roots		)
1642 		__field(	u64,  nr_new_roots		)
1643 	),
1644 
1645 	TP_fast_assign_btrfs(fs_info,
1646 		__entry->transid	= transid;
1647 		__entry->bytenr		= bytenr;
1648 		__entry->num_bytes	= num_bytes;
1649 		__entry->nr_old_roots	= nr_old_roots;
1650 		__entry->nr_new_roots	= nr_new_roots;
1651 	),
1652 
1653 	TP_printk_btrfs(
1654 "transid=%llu bytenr=%llu num_bytes=%llu nr_old_roots=%llu nr_new_roots=%llu",
1655 		__entry->transid,
1656 		__entry->bytenr,
1657 		__entry->num_bytes,
1658 		__entry->nr_old_roots,
1659 		__entry->nr_new_roots)
1660 );
1661 
1662 TRACE_EVENT(qgroup_update_counters,
1663 
1664 	TP_PROTO(const struct btrfs_fs_info *fs_info,
1665 		 const struct btrfs_qgroup *qgroup,
1666 		 u64 cur_old_count, u64 cur_new_count),
1667 
1668 	TP_ARGS(fs_info, qgroup, cur_old_count, cur_new_count),
1669 
1670 	TP_STRUCT__entry_btrfs(
1671 		__field(	u64,  qgid			)
1672 		__field(	u64,  old_rfer			)
1673 		__field(	u64,  old_excl			)
1674 		__field(	u64,  cur_old_count		)
1675 		__field(	u64,  cur_new_count		)
1676 	),
1677 
1678 	TP_fast_assign_btrfs(fs_info,
1679 		__entry->qgid		= qgroup->qgroupid;
1680 		__entry->old_rfer	= qgroup->rfer;
1681 		__entry->old_excl	= qgroup->excl;
1682 		__entry->cur_old_count	= cur_old_count;
1683 		__entry->cur_new_count	= cur_new_count;
1684 	),
1685 
1686 	TP_printk_btrfs("qgid=%llu old_rfer=%llu old_excl=%llu cur_old_count=%llu cur_new_count=%llu",
1687 		  __entry->qgid, __entry->old_rfer, __entry->old_excl,
1688 		  __entry->cur_old_count, __entry->cur_new_count)
1689 );
1690 
1691 TRACE_EVENT(qgroup_update_reserve,
1692 
1693 	TP_PROTO(struct btrfs_fs_info *fs_info, struct btrfs_qgroup *qgroup,
1694 		 s64 diff, int type),
1695 
1696 	TP_ARGS(fs_info, qgroup, diff, type),
1697 
1698 	TP_STRUCT__entry_btrfs(
1699 		__field(	u64,	qgid			)
1700 		__field(	u64,	cur_reserved		)
1701 		__field(	s64,	diff			)
1702 		__field(	int,	type			)
1703 	),
1704 
1705 	TP_fast_assign_btrfs(fs_info,
1706 		__entry->qgid		= qgroup->qgroupid;
1707 		__entry->cur_reserved	= qgroup->rsv.values[type];
1708 		__entry->diff		= diff;
1709 		__entry->type		= type;
1710 	),
1711 
1712 	TP_printk_btrfs("qgid=%llu type=%s cur_reserved=%llu diff=%lld",
1713 		__entry->qgid, __print_symbolic(__entry->type, QGROUP_RSV_TYPES),
1714 		__entry->cur_reserved, __entry->diff)
1715 );
1716 
1717 TRACE_EVENT(qgroup_meta_reserve,
1718 
1719 	TP_PROTO(struct btrfs_root *root, s64 diff, int type),
1720 
1721 	TP_ARGS(root, diff, type),
1722 
1723 	TP_STRUCT__entry_btrfs(
1724 		__field(	u64,	refroot			)
1725 		__field(	s64,	diff			)
1726 		__field(	int,	type			)
1727 	),
1728 
1729 	TP_fast_assign_btrfs(root->fs_info,
1730 		__entry->refroot	= root->root_key.objectid;
1731 		__entry->diff		= diff;
1732 		__entry->type		= type;
1733 	),
1734 
1735 	TP_printk_btrfs("refroot=%llu(%s) type=%s diff=%lld",
1736 		show_root_type(__entry->refroot),
1737 		__print_symbolic(__entry->type, QGROUP_RSV_TYPES), __entry->diff)
1738 );
1739 
1740 TRACE_EVENT(qgroup_meta_convert,
1741 
1742 	TP_PROTO(struct btrfs_root *root, s64 diff),
1743 
1744 	TP_ARGS(root, diff),
1745 
1746 	TP_STRUCT__entry_btrfs(
1747 		__field(	u64,	refroot			)
1748 		__field(	s64,	diff			)
1749 	),
1750 
1751 	TP_fast_assign_btrfs(root->fs_info,
1752 		__entry->refroot	= root->root_key.objectid;
1753 		__entry->diff		= diff;
1754 	),
1755 
1756 	TP_printk_btrfs("refroot=%llu(%s) type=%s->%s diff=%lld",
1757 		show_root_type(__entry->refroot),
1758 		__print_symbolic(BTRFS_QGROUP_RSV_META_PREALLOC, QGROUP_RSV_TYPES),
1759 		__print_symbolic(BTRFS_QGROUP_RSV_META_PERTRANS, QGROUP_RSV_TYPES),
1760 		__entry->diff)
1761 );
1762 
1763 TRACE_EVENT(qgroup_meta_free_all_pertrans,
1764 
1765 	TP_PROTO(struct btrfs_root *root),
1766 
1767 	TP_ARGS(root),
1768 
1769 	TP_STRUCT__entry_btrfs(
1770 		__field(	u64,	refroot			)
1771 		__field(	s64,	diff			)
1772 		__field(	int,	type			)
1773 	),
1774 
1775 	TP_fast_assign_btrfs(root->fs_info,
1776 		__entry->refroot	= root->root_key.objectid;
1777 		spin_lock(&root->qgroup_meta_rsv_lock);
1778 		__entry->diff		= -(s64)root->qgroup_meta_rsv_pertrans;
1779 		spin_unlock(&root->qgroup_meta_rsv_lock);
1780 		__entry->type		= BTRFS_QGROUP_RSV_META_PERTRANS;
1781 	),
1782 
1783 	TP_printk_btrfs("refroot=%llu(%s) type=%s diff=%lld",
1784 		show_root_type(__entry->refroot),
1785 		__print_symbolic(__entry->type, QGROUP_RSV_TYPES), __entry->diff)
1786 );
1787 
1788 DECLARE_EVENT_CLASS(btrfs__prelim_ref,
1789 	TP_PROTO(const struct btrfs_fs_info *fs_info,
1790 		 const struct prelim_ref *oldref,
1791 		 const struct prelim_ref *newref, u64 tree_size),
1792 	TP_ARGS(fs_info, newref, oldref, tree_size),
1793 
1794 	TP_STRUCT__entry_btrfs(
1795 		__field(	u64,  root_id		)
1796 		__field(	u64,  objectid		)
1797 		__field(	 u8,  type		)
1798 		__field(	u64,  offset		)
1799 		__field(	int,  level		)
1800 		__field(	int,  old_count		)
1801 		__field(	u64,  parent		)
1802 		__field(	u64,  bytenr		)
1803 		__field(	int,  mod_count		)
1804 		__field(	u64,  tree_size		)
1805 	),
1806 
1807 	TP_fast_assign_btrfs(fs_info,
1808 		__entry->root_id	= oldref->root_id;
1809 		__entry->objectid	= oldref->key_for_search.objectid;
1810 		__entry->type		= oldref->key_for_search.type;
1811 		__entry->offset		= oldref->key_for_search.offset;
1812 		__entry->level		= oldref->level;
1813 		__entry->old_count	= oldref->count;
1814 		__entry->parent		= oldref->parent;
1815 		__entry->bytenr		= oldref->wanted_disk_byte;
1816 		__entry->mod_count	= newref ? newref->count : 0;
1817 		__entry->tree_size	= tree_size;
1818 	),
1819 
1820 	TP_printk_btrfs("root_id=%llu key=[%llu,%u,%llu] level=%d count=[%d+%d=%d] parent=%llu wanted_disk_byte=%llu nodes=%llu",
1821 			__entry->root_id,
1822 			__entry->objectid, __entry->type,
1823 			__entry->offset, __entry->level,
1824 			__entry->old_count, __entry->mod_count,
1825 			__entry->old_count + __entry->mod_count,
1826 			__entry->parent,
1827 			__entry->bytenr,
1828 			__entry->tree_size)
1829 );
1830 
1831 DEFINE_EVENT(btrfs__prelim_ref, btrfs_prelim_ref_merge,
1832 	TP_PROTO(const struct btrfs_fs_info *fs_info,
1833 		 const struct prelim_ref *oldref,
1834 		 const struct prelim_ref *newref, u64 tree_size),
1835 	TP_ARGS(fs_info, oldref, newref, tree_size)
1836 );
1837 
1838 DEFINE_EVENT(btrfs__prelim_ref, btrfs_prelim_ref_insert,
1839 	TP_PROTO(const struct btrfs_fs_info *fs_info,
1840 		 const struct prelim_ref *oldref,
1841 		 const struct prelim_ref *newref, u64 tree_size),
1842 	TP_ARGS(fs_info, oldref, newref, tree_size)
1843 );
1844 
1845 TRACE_EVENT(btrfs_inode_mod_outstanding_extents,
1846 	TP_PROTO(const struct btrfs_root *root, u64 ino, int mod),
1847 
1848 	TP_ARGS(root, ino, mod),
1849 
1850 	TP_STRUCT__entry_btrfs(
1851 		__field(	u64, root_objectid	)
1852 		__field(	u64, ino		)
1853 		__field(	int, mod		)
1854 	),
1855 
1856 	TP_fast_assign_btrfs(root->fs_info,
1857 		__entry->root_objectid	= root->root_key.objectid;
1858 		__entry->ino		= ino;
1859 		__entry->mod		= mod;
1860 	),
1861 
1862 	TP_printk_btrfs("root=%llu(%s) ino=%llu mod=%d",
1863 			show_root_type(__entry->root_objectid),
1864 			__entry->ino, __entry->mod)
1865 );
1866 
1867 DECLARE_EVENT_CLASS(btrfs__block_group,
1868 	TP_PROTO(const struct btrfs_block_group *bg_cache),
1869 
1870 	TP_ARGS(bg_cache),
1871 
1872 	TP_STRUCT__entry_btrfs(
1873 		__field(	u64,	bytenr		)
1874 		__field(	u64,	len		)
1875 		__field(	u64,	used		)
1876 		__field(	u64,	flags		)
1877 	),
1878 
1879 	TP_fast_assign_btrfs(bg_cache->fs_info,
1880 		__entry->bytenr = bg_cache->start,
1881 		__entry->len	= bg_cache->length,
1882 		__entry->used	= bg_cache->used;
1883 		__entry->flags	= bg_cache->flags;
1884 	),
1885 
1886 	TP_printk_btrfs("bg bytenr=%llu len=%llu used=%llu flags=%llu(%s)",
1887 		__entry->bytenr, __entry->len, __entry->used, __entry->flags,
1888 		__print_flags(__entry->flags, "|", BTRFS_GROUP_FLAGS))
1889 );
1890 
1891 DEFINE_EVENT(btrfs__block_group, btrfs_remove_block_group,
1892 	TP_PROTO(const struct btrfs_block_group *bg_cache),
1893 
1894 	TP_ARGS(bg_cache)
1895 );
1896 
1897 DEFINE_EVENT(btrfs__block_group, btrfs_add_unused_block_group,
1898 	TP_PROTO(const struct btrfs_block_group *bg_cache),
1899 
1900 	TP_ARGS(bg_cache)
1901 );
1902 
1903 DEFINE_EVENT(btrfs__block_group, btrfs_skip_unused_block_group,
1904 	TP_PROTO(const struct btrfs_block_group *bg_cache),
1905 
1906 	TP_ARGS(bg_cache)
1907 );
1908 
1909 TRACE_EVENT(btrfs_set_extent_bit,
1910 	TP_PROTO(const struct extent_io_tree *tree,
1911 		 u64 start, u64 len, unsigned set_bits),
1912 
1913 	TP_ARGS(tree, start, len, set_bits),
1914 
1915 	TP_STRUCT__entry_btrfs(
1916 		__field(	unsigned,	owner	)
1917 		__field(	u64,		ino	)
1918 		__field(	u64,		rootid	)
1919 		__field(	u64,		start	)
1920 		__field(	u64,		len	)
1921 		__field(	unsigned,	set_bits)
1922 	),
1923 
1924 	TP_fast_assign_btrfs(tree->fs_info,
1925 		__entry->owner = tree->owner;
1926 		if (tree->private_data) {
1927 			const struct inode *inode = tree->private_data;
1928 
1929 			__entry->ino	= btrfs_ino(BTRFS_I(inode));
1930 			__entry->rootid	=
1931 				BTRFS_I(inode)->root->root_key.objectid;
1932 		} else {
1933 			__entry->ino	= 0;
1934 			__entry->rootid	= 0;
1935 		}
1936 		__entry->start		= start;
1937 		__entry->len		= len;
1938 		__entry->set_bits	= set_bits;
1939 	),
1940 
1941 	TP_printk_btrfs(
1942 		"io_tree=%s ino=%llu root=%llu start=%llu len=%llu set_bits=%s",
1943 		__print_symbolic(__entry->owner, IO_TREE_OWNER), __entry->ino,
1944 		__entry->rootid, __entry->start, __entry->len,
1945 		__print_flags(__entry->set_bits, "|", EXTENT_FLAGS))
1946 );
1947 
1948 TRACE_EVENT(btrfs_clear_extent_bit,
1949 	TP_PROTO(const struct extent_io_tree *tree,
1950 		 u64 start, u64 len, unsigned clear_bits),
1951 
1952 	TP_ARGS(tree, start, len, clear_bits),
1953 
1954 	TP_STRUCT__entry_btrfs(
1955 		__field(	unsigned,	owner	)
1956 		__field(	u64,		ino	)
1957 		__field(	u64,		rootid	)
1958 		__field(	u64,		start	)
1959 		__field(	u64,		len	)
1960 		__field(	unsigned,	clear_bits)
1961 	),
1962 
1963 	TP_fast_assign_btrfs(tree->fs_info,
1964 		__entry->owner = tree->owner;
1965 		if (tree->private_data) {
1966 			const struct inode *inode = tree->private_data;
1967 
1968 			__entry->ino	= btrfs_ino(BTRFS_I(inode));
1969 			__entry->rootid	=
1970 				BTRFS_I(inode)->root->root_key.objectid;
1971 		} else {
1972 			__entry->ino	= 0;
1973 			__entry->rootid	= 0;
1974 		}
1975 		__entry->start		= start;
1976 		__entry->len		= len;
1977 		__entry->clear_bits	= clear_bits;
1978 	),
1979 
1980 	TP_printk_btrfs(
1981 		"io_tree=%s ino=%llu root=%llu start=%llu len=%llu clear_bits=%s",
1982 		__print_symbolic(__entry->owner, IO_TREE_OWNER), __entry->ino,
1983 		__entry->rootid, __entry->start, __entry->len,
1984 		__print_flags(__entry->clear_bits, "|", EXTENT_FLAGS))
1985 );
1986 
1987 TRACE_EVENT(btrfs_convert_extent_bit,
1988 	TP_PROTO(const struct extent_io_tree *tree,
1989 		 u64 start, u64 len, unsigned set_bits, unsigned clear_bits),
1990 
1991 	TP_ARGS(tree, start, len, set_bits, clear_bits),
1992 
1993 	TP_STRUCT__entry_btrfs(
1994 		__field(	unsigned,	owner	)
1995 		__field(	u64,		ino	)
1996 		__field(	u64,		rootid	)
1997 		__field(	u64,		start	)
1998 		__field(	u64,		len	)
1999 		__field(	unsigned,	set_bits)
2000 		__field(	unsigned,	clear_bits)
2001 	),
2002 
2003 	TP_fast_assign_btrfs(tree->fs_info,
2004 		__entry->owner = tree->owner;
2005 		if (tree->private_data) {
2006 			const struct inode *inode = tree->private_data;
2007 
2008 			__entry->ino	= btrfs_ino(BTRFS_I(inode));
2009 			__entry->rootid	=
2010 				BTRFS_I(inode)->root->root_key.objectid;
2011 		} else {
2012 			__entry->ino	= 0;
2013 			__entry->rootid	= 0;
2014 		}
2015 		__entry->start		= start;
2016 		__entry->len		= len;
2017 		__entry->set_bits	= set_bits;
2018 		__entry->clear_bits	= clear_bits;
2019 	),
2020 
2021 	TP_printk_btrfs(
2022 "io_tree=%s ino=%llu root=%llu start=%llu len=%llu set_bits=%s clear_bits=%s",
2023 		  __print_symbolic(__entry->owner, IO_TREE_OWNER), __entry->ino,
2024 		  __entry->rootid, __entry->start, __entry->len,
2025 		  __print_flags(__entry->set_bits , "|", EXTENT_FLAGS),
2026 		  __print_flags(__entry->clear_bits, "|", EXTENT_FLAGS))
2027 );
2028 
2029 DECLARE_EVENT_CLASS(btrfs_sleep_tree_lock,
2030 	TP_PROTO(const struct extent_buffer *eb, u64 start_ns),
2031 
2032 	TP_ARGS(eb, start_ns),
2033 
2034 	TP_STRUCT__entry_btrfs(
2035 		__field(	u64,	block		)
2036 		__field(	u64,	generation	)
2037 		__field(	u64,	start_ns	)
2038 		__field(	u64,	end_ns		)
2039 		__field(	u64,	diff_ns		)
2040 		__field(	u64,	owner		)
2041 		__field(	int,	is_log_tree	)
2042 	),
2043 
2044 	TP_fast_assign_btrfs(eb->fs_info,
2045 		__entry->block		= eb->start;
2046 		__entry->generation	= btrfs_header_generation(eb);
2047 		__entry->start_ns	= start_ns;
2048 		__entry->end_ns		= ktime_get_ns();
2049 		__entry->diff_ns	= __entry->end_ns - start_ns;
2050 		__entry->owner		= btrfs_header_owner(eb);
2051 		__entry->is_log_tree	= (eb->log_index >= 0);
2052 	),
2053 
2054 	TP_printk_btrfs(
2055 "block=%llu generation=%llu start_ns=%llu end_ns=%llu diff_ns=%llu owner=%llu is_log_tree=%d",
2056 		__entry->block, __entry->generation,
2057 		__entry->start_ns, __entry->end_ns, __entry->diff_ns,
2058 		__entry->owner, __entry->is_log_tree)
2059 );
2060 
2061 DEFINE_EVENT(btrfs_sleep_tree_lock, btrfs_tree_read_lock,
2062 	TP_PROTO(const struct extent_buffer *eb, u64 start_ns),
2063 
2064 	TP_ARGS(eb, start_ns)
2065 );
2066 
2067 DEFINE_EVENT(btrfs_sleep_tree_lock, btrfs_tree_lock,
2068 	TP_PROTO(const struct extent_buffer *eb, u64 start_ns),
2069 
2070 	TP_ARGS(eb, start_ns)
2071 );
2072 
2073 DECLARE_EVENT_CLASS(btrfs_locking_events,
2074 	TP_PROTO(const struct extent_buffer *eb),
2075 
2076 	TP_ARGS(eb),
2077 
2078 	TP_STRUCT__entry_btrfs(
2079 		__field(	u64,	block		)
2080 		__field(	u64,	generation	)
2081 		__field(	u64,	owner		)
2082 		__field(	int,	is_log_tree	)
2083 	),
2084 
2085 	TP_fast_assign_btrfs(eb->fs_info,
2086 		__entry->block		= eb->start;
2087 		__entry->generation	= btrfs_header_generation(eb);
2088 		__entry->owner		= btrfs_header_owner(eb);
2089 		__entry->is_log_tree	= (eb->log_index >= 0);
2090 	),
2091 
2092 	TP_printk_btrfs("block=%llu generation=%llu owner=%llu is_log_tree=%d",
2093 		__entry->block, __entry->generation,
2094 		__entry->owner, __entry->is_log_tree)
2095 );
2096 
2097 #define DEFINE_BTRFS_LOCK_EVENT(name)				\
2098 DEFINE_EVENT(btrfs_locking_events, name,			\
2099 		TP_PROTO(const struct extent_buffer *eb),	\
2100 								\
2101 		TP_ARGS(eb)					\
2102 )
2103 
2104 DEFINE_BTRFS_LOCK_EVENT(btrfs_tree_unlock);
2105 DEFINE_BTRFS_LOCK_EVENT(btrfs_tree_read_unlock);
2106 DEFINE_BTRFS_LOCK_EVENT(btrfs_tree_read_unlock_blocking);
2107 DEFINE_BTRFS_LOCK_EVENT(btrfs_set_lock_blocking_read);
2108 DEFINE_BTRFS_LOCK_EVENT(btrfs_set_lock_blocking_write);
2109 DEFINE_BTRFS_LOCK_EVENT(btrfs_try_tree_read_lock);
2110 DEFINE_BTRFS_LOCK_EVENT(btrfs_try_tree_write_lock);
2111 DEFINE_BTRFS_LOCK_EVENT(btrfs_tree_read_lock_atomic);
2112 
2113 DECLARE_EVENT_CLASS(btrfs__space_info_update,
2114 
2115 	TP_PROTO(const struct btrfs_fs_info *fs_info,
2116 		 const struct btrfs_space_info *sinfo, u64 old, s64 diff),
2117 
2118 	TP_ARGS(fs_info, sinfo, old, diff),
2119 
2120 	TP_STRUCT__entry_btrfs(
2121 		__field(	u64,	type		)
2122 		__field(	u64,	old		)
2123 		__field(	s64,	diff		)
2124 	),
2125 
2126 	TP_fast_assign_btrfs(fs_info,
2127 		__entry->type	= sinfo->flags;
2128 		__entry->old	= old;
2129 		__entry->diff	= diff;
2130 	),
2131 	TP_printk_btrfs("type=%s old=%llu diff=%lld",
2132 		__print_flags(__entry->type, "|", BTRFS_GROUP_FLAGS),
2133 		__entry->old, __entry->diff)
2134 );
2135 
2136 DEFINE_EVENT(btrfs__space_info_update, update_bytes_may_use,
2137 
2138 	TP_PROTO(const struct btrfs_fs_info *fs_info,
2139 		 const struct btrfs_space_info *sinfo, u64 old, s64 diff),
2140 
2141 	TP_ARGS(fs_info, sinfo, old, diff)
2142 );
2143 
2144 DEFINE_EVENT(btrfs__space_info_update, update_bytes_pinned,
2145 
2146 	TP_PROTO(const struct btrfs_fs_info *fs_info,
2147 		 const struct btrfs_space_info *sinfo, u64 old, s64 diff),
2148 
2149 	TP_ARGS(fs_info, sinfo, old, diff)
2150 );
2151 
2152 #endif /* _TRACE_BTRFS_H */
2153 
2154 /* This part must be outside protection */
2155 #include <trace/define_trace.h>
2156