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TOMOYO Linux Cross Reference
Linux/include/trace/events/btrfs.h

Version: ~ [ linux-4.19-rc7 ] ~ [ linux-4.18.12 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.74 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.131 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.159 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.19.8 ] ~ [ linux-3.18.123 ] ~ [ linux-3.17.8 ] ~ [ linux-3.16.59 ] ~ [ linux-3.15.10 ] ~ [ linux-3.14.79 ] ~ [ linux-3.13.11 ] ~ [ linux-3.12.74 ] ~ [ linux-3.11.10 ] ~ [ linux-3.10.108 ] ~ [ linux-3.9.11 ] ~ [ linux-3.8.13 ] ~ [ linux-3.7.10 ] ~ [ linux-3.6.11 ] ~ [ linux-3.5.7 ] ~ [ linux-3.4.113 ] ~ [ linux-3.3.8 ] ~ [ linux-3.2.102 ] ~ [ linux-3.1.10 ] ~ [ linux-3.0.101 ] ~ [ linux-2.6.39.4 ] ~ [ linux-2.6.38.8 ] ~ [ linux-2.6.37.6 ] ~ [ linux-2.6.36.4 ] ~ [ linux-2.6.35.14 ] ~ [ linux-2.6.34.15 ] ~ [ linux-2.6.33.20 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.31.14 ] ~ [ linux-2.6.30.10 ] ~ [ linux-2.6.29.6 ] ~ [ linux-2.6.28.10 ] ~ [ linux-2.6.27.62 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

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

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