1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | /* |
3 | * Copyright (C) 2007 Oracle. All rights reserved. |
4 | */ |
5 | |
6 | #ifndef BTRFS_INODE_H |
7 | #define BTRFS_INODE_H |
8 | |
9 | #include <linux/hash.h> |
10 | #include <linux/refcount.h> |
11 | #include <linux/fscrypt.h> |
12 | #include <trace/events/btrfs.h> |
13 | #include "extent_map.h" |
14 | #include "extent_io.h" |
15 | #include "ordered-data.h" |
16 | #include "delayed-inode.h" |
17 | |
18 | /* |
19 | * Since we search a directory based on f_pos (struct dir_context::pos) we have |
20 | * to start at 2 since '.' and '..' have f_pos of 0 and 1 respectively, so |
21 | * everybody else has to start at 2 (see btrfs_real_readdir() and dir_emit_dots()). |
22 | */ |
23 | #define BTRFS_DIR_START_INDEX 2 |
24 | |
25 | /* |
26 | * ordered_data_close is set by truncate when a file that used |
27 | * to have good data has been truncated to zero. When it is set |
28 | * the btrfs file release call will add this inode to the |
29 | * ordered operations list so that we make sure to flush out any |
30 | * new data the application may have written before commit. |
31 | */ |
32 | enum { |
33 | BTRFS_INODE_FLUSH_ON_CLOSE, |
34 | BTRFS_INODE_DUMMY, |
35 | BTRFS_INODE_IN_DEFRAG, |
36 | BTRFS_INODE_HAS_ASYNC_EXTENT, |
37 | /* |
38 | * Always set under the VFS' inode lock, otherwise it can cause races |
39 | * during fsync (we start as a fast fsync and then end up in a full |
40 | * fsync racing with ordered extent completion). |
41 | */ |
42 | BTRFS_INODE_NEEDS_FULL_SYNC, |
43 | BTRFS_INODE_COPY_EVERYTHING, |
44 | BTRFS_INODE_IN_DELALLOC_LIST, |
45 | BTRFS_INODE_HAS_PROPS, |
46 | BTRFS_INODE_SNAPSHOT_FLUSH, |
47 | /* |
48 | * Set and used when logging an inode and it serves to signal that an |
49 | * inode does not have xattrs, so subsequent fsyncs can avoid searching |
50 | * for xattrs to log. This bit must be cleared whenever a xattr is added |
51 | * to an inode. |
52 | */ |
53 | BTRFS_INODE_NO_XATTRS, |
54 | /* |
55 | * Set when we are in a context where we need to start a transaction and |
56 | * have dirty pages with the respective file range locked. This is to |
57 | * ensure that when reserving space for the transaction, if we are low |
58 | * on available space and need to flush delalloc, we will not flush |
59 | * delalloc for this inode, because that could result in a deadlock (on |
60 | * the file range, inode's io_tree). |
61 | */ |
62 | BTRFS_INODE_NO_DELALLOC_FLUSH, |
63 | /* |
64 | * Set when we are working on enabling verity for a file. Computing and |
65 | * writing the whole Merkle tree can take a while so we want to prevent |
66 | * races where two separate tasks attempt to simultaneously start verity |
67 | * on the same file. |
68 | */ |
69 | BTRFS_INODE_VERITY_IN_PROGRESS, |
70 | /* Set when this inode is a free space inode. */ |
71 | BTRFS_INODE_FREE_SPACE_INODE, |
72 | }; |
73 | |
74 | /* in memory btrfs inode */ |
75 | struct btrfs_inode { |
76 | /* which subvolume this inode belongs to */ |
77 | struct btrfs_root *root; |
78 | |
79 | /* key used to find this inode on disk. This is used by the code |
80 | * to read in roots of subvolumes |
81 | */ |
82 | struct btrfs_key location; |
83 | |
84 | /* Cached value of inode property 'compression'. */ |
85 | u8 prop_compress; |
86 | |
87 | /* |
88 | * Force compression on the file using the defrag ioctl, could be |
89 | * different from prop_compress and takes precedence if set. |
90 | */ |
91 | u8 defrag_compress; |
92 | |
93 | /* |
94 | * Lock for counters and all fields used to determine if the inode is in |
95 | * the log or not (last_trans, last_sub_trans, last_log_commit, |
96 | * logged_trans), to access/update delalloc_bytes, new_delalloc_bytes, |
97 | * defrag_bytes, disk_i_size, outstanding_extents, csum_bytes and to |
98 | * update the VFS' inode number of bytes used. |
99 | */ |
100 | spinlock_t lock; |
101 | |
102 | /* the extent_tree has caches of all the extent mappings to disk */ |
103 | struct extent_map_tree extent_tree; |
104 | |
105 | /* the io_tree does range state (DIRTY, LOCKED etc) */ |
106 | struct extent_io_tree io_tree; |
107 | |
108 | /* |
109 | * Keep track of where the inode has extent items mapped in order to |
110 | * make sure the i_size adjustments are accurate |
111 | */ |
112 | struct extent_io_tree file_extent_tree; |
113 | |
114 | /* held while logging the inode in tree-log.c */ |
115 | struct mutex log_mutex; |
116 | |
117 | /* |
118 | * Counters to keep track of the number of extent item's we may use due |
119 | * to delalloc and such. outstanding_extents is the number of extent |
120 | * items we think we'll end up using, and reserved_extents is the number |
121 | * of extent items we've reserved metadata for. Protected by 'lock'. |
122 | */ |
123 | unsigned outstanding_extents; |
124 | |
125 | /* used to order data wrt metadata */ |
126 | spinlock_t ordered_tree_lock; |
127 | struct rb_root ordered_tree; |
128 | struct rb_node *ordered_tree_last; |
129 | |
130 | /* list of all the delalloc inodes in the FS. There are times we need |
131 | * to write all the delalloc pages to disk, and this list is used |
132 | * to walk them all. |
133 | */ |
134 | struct list_head delalloc_inodes; |
135 | |
136 | /* node for the red-black tree that links inodes in subvolume root */ |
137 | struct rb_node rb_node; |
138 | |
139 | unsigned long runtime_flags; |
140 | |
141 | /* full 64 bit generation number, struct vfs_inode doesn't have a big |
142 | * enough field for this. |
143 | */ |
144 | u64 generation; |
145 | |
146 | /* |
147 | * ID of the transaction handle that last modified this inode. |
148 | * Protected by 'lock'. |
149 | */ |
150 | u64 last_trans; |
151 | |
152 | /* |
153 | * ID of the transaction that last logged this inode. |
154 | * Protected by 'lock'. |
155 | */ |
156 | u64 logged_trans; |
157 | |
158 | /* |
159 | * Log transaction ID when this inode was last modified. |
160 | * Protected by 'lock'. |
161 | */ |
162 | int last_sub_trans; |
163 | |
164 | /* A local copy of root's last_log_commit. Protected by 'lock'. */ |
165 | int last_log_commit; |
166 | |
167 | union { |
168 | /* |
169 | * Total number of bytes pending delalloc, used by stat to |
170 | * calculate the real block usage of the file. This is used |
171 | * only for files. Protected by 'lock'. |
172 | */ |
173 | u64 delalloc_bytes; |
174 | /* |
175 | * The lowest possible index of the next dir index key which |
176 | * points to an inode that needs to be logged. |
177 | * This is used only for directories. |
178 | * Use the helpers btrfs_get_first_dir_index_to_log() and |
179 | * btrfs_set_first_dir_index_to_log() to access this field. |
180 | */ |
181 | u64 first_dir_index_to_log; |
182 | }; |
183 | |
184 | union { |
185 | /* |
186 | * Total number of bytes pending delalloc that fall within a file |
187 | * range that is either a hole or beyond EOF (and no prealloc extent |
188 | * exists in the range). This is always <= delalloc_bytes and this |
189 | * is used only for files. Protected by 'lock'. |
190 | */ |
191 | u64 new_delalloc_bytes; |
192 | /* |
193 | * The offset of the last dir index key that was logged. |
194 | * This is used only for directories. |
195 | */ |
196 | u64 last_dir_index_offset; |
197 | }; |
198 | |
199 | /* |
200 | * Total number of bytes pending defrag, used by stat to check whether |
201 | * it needs COW. Protected by 'lock'. |
202 | */ |
203 | u64 defrag_bytes; |
204 | |
205 | /* |
206 | * The size of the file stored in the metadata on disk. data=ordered |
207 | * means the in-memory i_size might be larger than the size on disk |
208 | * because not all the blocks are written yet. Protected by 'lock'. |
209 | */ |
210 | u64 disk_i_size; |
211 | |
212 | /* |
213 | * If this is a directory then index_cnt is the counter for the index |
214 | * number for new files that are created. For an empty directory, this |
215 | * must be initialized to BTRFS_DIR_START_INDEX. |
216 | */ |
217 | u64 index_cnt; |
218 | |
219 | /* Cache the directory index number to speed the dir/file remove */ |
220 | u64 dir_index; |
221 | |
222 | /* the fsync log has some corner cases that mean we have to check |
223 | * directories to see if any unlinks have been done before |
224 | * the directory was logged. See tree-log.c for all the |
225 | * details |
226 | */ |
227 | u64 last_unlink_trans; |
228 | |
229 | /* |
230 | * The id/generation of the last transaction where this inode was |
231 | * either the source or the destination of a clone/dedupe operation. |
232 | * Used when logging an inode to know if there are shared extents that |
233 | * need special care when logging checksum items, to avoid duplicate |
234 | * checksum items in a log (which can lead to a corruption where we end |
235 | * up with missing checksum ranges after log replay). |
236 | * Protected by the vfs inode lock. |
237 | */ |
238 | u64 last_reflink_trans; |
239 | |
240 | /* |
241 | * Number of bytes outstanding that are going to need csums. This is |
242 | * used in ENOSPC accounting. Protected by 'lock'. |
243 | */ |
244 | u64 csum_bytes; |
245 | |
246 | /* Backwards incompatible flags, lower half of inode_item::flags */ |
247 | u32 flags; |
248 | /* Read-only compatibility flags, upper half of inode_item::flags */ |
249 | u32 ro_flags; |
250 | |
251 | struct btrfs_block_rsv block_rsv; |
252 | |
253 | struct btrfs_delayed_node *delayed_node; |
254 | |
255 | /* File creation time. */ |
256 | u64 i_otime_sec; |
257 | u32 i_otime_nsec; |
258 | |
259 | /* Hook into fs_info->delayed_iputs */ |
260 | struct list_head delayed_iput; |
261 | |
262 | struct rw_semaphore i_mmap_lock; |
263 | struct inode vfs_inode; |
264 | }; |
265 | |
266 | static inline u64 btrfs_get_first_dir_index_to_log(const struct btrfs_inode *inode) |
267 | { |
268 | return READ_ONCE(inode->first_dir_index_to_log); |
269 | } |
270 | |
271 | static inline void btrfs_set_first_dir_index_to_log(struct btrfs_inode *inode, |
272 | u64 index) |
273 | { |
274 | WRITE_ONCE(inode->first_dir_index_to_log, index); |
275 | } |
276 | |
277 | static inline struct btrfs_inode *BTRFS_I(const struct inode *inode) |
278 | { |
279 | return container_of(inode, struct btrfs_inode, vfs_inode); |
280 | } |
281 | |
282 | static inline unsigned long btrfs_inode_hash(u64 objectid, |
283 | const struct btrfs_root *root) |
284 | { |
285 | u64 h = objectid ^ (root->root_key.objectid * GOLDEN_RATIO_PRIME); |
286 | |
287 | #if BITS_PER_LONG == 32 |
288 | h = (h >> 32) ^ (h & 0xffffffff); |
289 | #endif |
290 | |
291 | return (unsigned long)h; |
292 | } |
293 | |
294 | #if BITS_PER_LONG == 32 |
295 | |
296 | /* |
297 | * On 32 bit systems the i_ino of struct inode is 32 bits (unsigned long), so |
298 | * we use the inode's location objectid which is a u64 to avoid truncation. |
299 | */ |
300 | static inline u64 btrfs_ino(const struct btrfs_inode *inode) |
301 | { |
302 | u64 ino = inode->location.objectid; |
303 | |
304 | /* type == BTRFS_ROOT_ITEM_KEY: subvol dir */ |
305 | if (inode->location.type == BTRFS_ROOT_ITEM_KEY) |
306 | ino = inode->vfs_inode.i_ino; |
307 | return ino; |
308 | } |
309 | |
310 | #else |
311 | |
312 | static inline u64 btrfs_ino(const struct btrfs_inode *inode) |
313 | { |
314 | return inode->vfs_inode.i_ino; |
315 | } |
316 | |
317 | #endif |
318 | |
319 | static inline void btrfs_i_size_write(struct btrfs_inode *inode, u64 size) |
320 | { |
321 | i_size_write(inode: &inode->vfs_inode, i_size: size); |
322 | inode->disk_i_size = size; |
323 | } |
324 | |
325 | static inline bool btrfs_is_free_space_inode(struct btrfs_inode *inode) |
326 | { |
327 | return test_bit(BTRFS_INODE_FREE_SPACE_INODE, &inode->runtime_flags); |
328 | } |
329 | |
330 | static inline bool is_data_inode(struct inode *inode) |
331 | { |
332 | return btrfs_ino(inode: BTRFS_I(inode)) != BTRFS_BTREE_INODE_OBJECTID; |
333 | } |
334 | |
335 | static inline void btrfs_mod_outstanding_extents(struct btrfs_inode *inode, |
336 | int mod) |
337 | { |
338 | lockdep_assert_held(&inode->lock); |
339 | inode->outstanding_extents += mod; |
340 | if (btrfs_is_free_space_inode(inode)) |
341 | return; |
342 | trace_btrfs_inode_mod_outstanding_extents(root: inode->root, ino: btrfs_ino(inode), |
343 | mod, outstanding: inode->outstanding_extents); |
344 | } |
345 | |
346 | /* |
347 | * Called every time after doing a buffered, direct IO or memory mapped write. |
348 | * |
349 | * This is to ensure that if we write to a file that was previously fsynced in |
350 | * the current transaction, then try to fsync it again in the same transaction, |
351 | * we will know that there were changes in the file and that it needs to be |
352 | * logged. |
353 | */ |
354 | static inline void btrfs_set_inode_last_sub_trans(struct btrfs_inode *inode) |
355 | { |
356 | spin_lock(lock: &inode->lock); |
357 | inode->last_sub_trans = inode->root->log_transid; |
358 | spin_unlock(lock: &inode->lock); |
359 | } |
360 | |
361 | /* |
362 | * Should be called while holding the inode's VFS lock in exclusive mode or in a |
363 | * context where no one else can access the inode concurrently (during inode |
364 | * creation or when loading an inode from disk). |
365 | */ |
366 | static inline void btrfs_set_inode_full_sync(struct btrfs_inode *inode) |
367 | { |
368 | set_bit(nr: BTRFS_INODE_NEEDS_FULL_SYNC, addr: &inode->runtime_flags); |
369 | /* |
370 | * The inode may have been part of a reflink operation in the last |
371 | * transaction that modified it, and then a fsync has reset the |
372 | * last_reflink_trans to avoid subsequent fsyncs in the same |
373 | * transaction to do unnecessary work. So update last_reflink_trans |
374 | * to the last_trans value (we have to be pessimistic and assume a |
375 | * reflink happened). |
376 | * |
377 | * The ->last_trans is protected by the inode's spinlock and we can |
378 | * have a concurrent ordered extent completion update it. Also set |
379 | * last_reflink_trans to ->last_trans only if the former is less than |
380 | * the later, because we can be called in a context where |
381 | * last_reflink_trans was set to the current transaction generation |
382 | * while ->last_trans was not yet updated in the current transaction, |
383 | * and therefore has a lower value. |
384 | */ |
385 | spin_lock(lock: &inode->lock); |
386 | if (inode->last_reflink_trans < inode->last_trans) |
387 | inode->last_reflink_trans = inode->last_trans; |
388 | spin_unlock(lock: &inode->lock); |
389 | } |
390 | |
391 | static inline bool btrfs_inode_in_log(struct btrfs_inode *inode, u64 generation) |
392 | { |
393 | bool ret = false; |
394 | |
395 | spin_lock(lock: &inode->lock); |
396 | if (inode->logged_trans == generation && |
397 | inode->last_sub_trans <= inode->last_log_commit && |
398 | inode->last_sub_trans <= btrfs_get_root_last_log_commit(root: inode->root)) |
399 | ret = true; |
400 | spin_unlock(lock: &inode->lock); |
401 | return ret; |
402 | } |
403 | |
404 | /* |
405 | * Check if the inode has flags compatible with compression |
406 | */ |
407 | static inline bool btrfs_inode_can_compress(const struct btrfs_inode *inode) |
408 | { |
409 | if (inode->flags & BTRFS_INODE_NODATACOW || |
410 | inode->flags & BTRFS_INODE_NODATASUM) |
411 | return false; |
412 | return true; |
413 | } |
414 | |
415 | /* Array of bytes with variable length, hexadecimal format 0x1234 */ |
416 | #define CSUM_FMT "0x%*phN" |
417 | #define CSUM_FMT_VALUE(size, bytes) size, bytes |
418 | |
419 | int btrfs_check_sector_csum(struct btrfs_fs_info *fs_info, struct page *page, |
420 | u32 pgoff, u8 *csum, const u8 * const csum_expected); |
421 | bool btrfs_data_csum_ok(struct btrfs_bio *bbio, struct btrfs_device *dev, |
422 | u32 bio_offset, struct bio_vec *bv); |
423 | noinline int can_nocow_extent(struct inode *inode, u64 offset, u64 *len, |
424 | u64 *orig_start, u64 *orig_block_len, |
425 | u64 *ram_bytes, bool nowait, bool strict); |
426 | |
427 | void __btrfs_del_delalloc_inode(struct btrfs_root *root, struct btrfs_inode *inode); |
428 | struct inode *btrfs_lookup_dentry(struct inode *dir, struct dentry *dentry); |
429 | int btrfs_set_inode_index(struct btrfs_inode *dir, u64 *index); |
430 | int btrfs_unlink_inode(struct btrfs_trans_handle *trans, |
431 | struct btrfs_inode *dir, struct btrfs_inode *inode, |
432 | const struct fscrypt_str *name); |
433 | int btrfs_add_link(struct btrfs_trans_handle *trans, |
434 | struct btrfs_inode *parent_inode, struct btrfs_inode *inode, |
435 | const struct fscrypt_str *name, int add_backref, u64 index); |
436 | int btrfs_delete_subvolume(struct btrfs_inode *dir, struct dentry *dentry); |
437 | int btrfs_truncate_block(struct btrfs_inode *inode, loff_t from, loff_t len, |
438 | int front); |
439 | |
440 | int btrfs_start_delalloc_snapshot(struct btrfs_root *root, bool in_reclaim_context); |
441 | int btrfs_start_delalloc_roots(struct btrfs_fs_info *fs_info, long nr, |
442 | bool in_reclaim_context); |
443 | int btrfs_set_extent_delalloc(struct btrfs_inode *inode, u64 start, u64 end, |
444 | unsigned int , |
445 | struct extent_state **cached_state); |
446 | |
447 | struct btrfs_new_inode_args { |
448 | /* Input */ |
449 | struct inode *dir; |
450 | struct dentry *dentry; |
451 | struct inode *inode; |
452 | bool orphan; |
453 | bool subvol; |
454 | |
455 | /* Output from btrfs_new_inode_prepare(), input to btrfs_create_new_inode(). */ |
456 | struct posix_acl *default_acl; |
457 | struct posix_acl *acl; |
458 | struct fscrypt_name fname; |
459 | }; |
460 | |
461 | int btrfs_new_inode_prepare(struct btrfs_new_inode_args *args, |
462 | unsigned int *trans_num_items); |
463 | int btrfs_create_new_inode(struct btrfs_trans_handle *trans, |
464 | struct btrfs_new_inode_args *args); |
465 | void btrfs_new_inode_args_destroy(struct btrfs_new_inode_args *args); |
466 | struct inode *btrfs_new_subvol_inode(struct mnt_idmap *idmap, |
467 | struct inode *dir); |
468 | void btrfs_set_delalloc_extent(struct btrfs_inode *inode, struct extent_state *state, |
469 | u32 bits); |
470 | void btrfs_clear_delalloc_extent(struct btrfs_inode *inode, |
471 | struct extent_state *state, u32 bits); |
472 | void btrfs_merge_delalloc_extent(struct btrfs_inode *inode, struct extent_state *new, |
473 | struct extent_state *other); |
474 | void btrfs_split_delalloc_extent(struct btrfs_inode *inode, |
475 | struct extent_state *orig, u64 split); |
476 | void btrfs_set_range_writeback(struct btrfs_inode *inode, u64 start, u64 end); |
477 | vm_fault_t btrfs_page_mkwrite(struct vm_fault *vmf); |
478 | void btrfs_evict_inode(struct inode *inode); |
479 | struct inode *btrfs_alloc_inode(struct super_block *sb); |
480 | void btrfs_destroy_inode(struct inode *inode); |
481 | void btrfs_free_inode(struct inode *inode); |
482 | int btrfs_drop_inode(struct inode *inode); |
483 | int __init btrfs_init_cachep(void); |
484 | void __cold btrfs_destroy_cachep(void); |
485 | struct inode *btrfs_iget_path(struct super_block *s, u64 ino, |
486 | struct btrfs_root *root, struct btrfs_path *path); |
487 | struct inode *btrfs_iget(struct super_block *s, u64 ino, struct btrfs_root *root); |
488 | struct extent_map *btrfs_get_extent(struct btrfs_inode *inode, |
489 | struct page *page, size_t pg_offset, |
490 | u64 start, u64 end); |
491 | int btrfs_update_inode(struct btrfs_trans_handle *trans, |
492 | struct btrfs_inode *inode); |
493 | int btrfs_update_inode_fallback(struct btrfs_trans_handle *trans, |
494 | struct btrfs_inode *inode); |
495 | int btrfs_orphan_add(struct btrfs_trans_handle *trans, struct btrfs_inode *inode); |
496 | int btrfs_orphan_cleanup(struct btrfs_root *root); |
497 | int btrfs_cont_expand(struct btrfs_inode *inode, loff_t oldsize, loff_t size); |
498 | void btrfs_add_delayed_iput(struct btrfs_inode *inode); |
499 | void btrfs_run_delayed_iputs(struct btrfs_fs_info *fs_info); |
500 | int btrfs_wait_on_delayed_iputs(struct btrfs_fs_info *fs_info); |
501 | int btrfs_prealloc_file_range(struct inode *inode, int mode, |
502 | u64 start, u64 num_bytes, u64 min_size, |
503 | loff_t actual_len, u64 *alloc_hint); |
504 | int btrfs_prealloc_file_range_trans(struct inode *inode, |
505 | struct btrfs_trans_handle *trans, int mode, |
506 | u64 start, u64 num_bytes, u64 min_size, |
507 | loff_t actual_len, u64 *alloc_hint); |
508 | int btrfs_run_delalloc_range(struct btrfs_inode *inode, struct page *locked_page, |
509 | u64 start, u64 end, struct writeback_control *wbc); |
510 | int btrfs_writepage_cow_fixup(struct page *page); |
511 | int btrfs_encoded_io_compression_from_extent(struct btrfs_fs_info *fs_info, |
512 | int compress_type); |
513 | int btrfs_encoded_read_regular_fill_pages(struct btrfs_inode *inode, |
514 | u64 file_offset, u64 disk_bytenr, |
515 | u64 disk_io_size, |
516 | struct page **pages); |
517 | ssize_t btrfs_encoded_read(struct kiocb *iocb, struct iov_iter *iter, |
518 | struct btrfs_ioctl_encoded_io_args *encoded); |
519 | ssize_t btrfs_do_encoded_write(struct kiocb *iocb, struct iov_iter *from, |
520 | const struct btrfs_ioctl_encoded_io_args *encoded); |
521 | |
522 | ssize_t btrfs_dio_read(struct kiocb *iocb, struct iov_iter *iter, |
523 | size_t done_before); |
524 | struct iomap_dio *btrfs_dio_write(struct kiocb *iocb, struct iov_iter *iter, |
525 | size_t done_before); |
526 | |
527 | extern const struct dentry_operations btrfs_dentry_operations; |
528 | |
529 | /* Inode locking type flags, by default the exclusive lock is taken. */ |
530 | enum btrfs_ilock_type { |
531 | ENUM_BIT(BTRFS_ILOCK_SHARED), |
532 | ENUM_BIT(BTRFS_ILOCK_TRY), |
533 | ENUM_BIT(BTRFS_ILOCK_MMAP), |
534 | }; |
535 | |
536 | int btrfs_inode_lock(struct btrfs_inode *inode, unsigned int ilock_flags); |
537 | void btrfs_inode_unlock(struct btrfs_inode *inode, unsigned int ilock_flags); |
538 | void btrfs_update_inode_bytes(struct btrfs_inode *inode, const u64 add_bytes, |
539 | const u64 del_bytes); |
540 | void btrfs_assert_inode_range_clean(struct btrfs_inode *inode, u64 start, u64 end); |
541 | |
542 | #endif |
543 | |