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4342306f KK |
1 | // SPDX-License-Identifier: GPL-2.0 |
2 | /* | |
3 | * | |
4 | * Copyright (C) 2019-2021 Paragon Software GmbH, All rights reserved. | |
5 | * | |
e8b8e97f KA |
6 | * Regular file handling primitives for NTFS-based filesystems. |
7 | * | |
4342306f | 8 | */ |
e8b8e97f | 9 | |
4342306f | 10 | #include <linux/backing-dev.h> |
ccdf7741 | 11 | #include <linux/blkdev.h> |
4342306f KK |
12 | #include <linux/buffer_head.h> |
13 | #include <linux/compat.h> | |
14 | #include <linux/falloc.h> | |
15 | #include <linux/fiemap.h> | |
4342306f KK |
16 | |
17 | #include "debug.h" | |
18 | #include "ntfs.h" | |
19 | #include "ntfs_fs.h" | |
20 | ||
21 | static int ntfs_ioctl_fitrim(struct ntfs_sb_info *sbi, unsigned long arg) | |
22 | { | |
23 | struct fstrim_range __user *user_range; | |
24 | struct fstrim_range range; | |
4342306f KK |
25 | int err; |
26 | ||
27 | if (!capable(CAP_SYS_ADMIN)) | |
28 | return -EPERM; | |
29 | ||
70200574 | 30 | if (!bdev_max_discard_sectors(sbi->sb->s_bdev)) |
4342306f KK |
31 | return -EOPNOTSUPP; |
32 | ||
33 | user_range = (struct fstrim_range __user *)arg; | |
34 | if (copy_from_user(&range, user_range, sizeof(range))) | |
35 | return -EFAULT; | |
36 | ||
7b47ef52 CH |
37 | range.minlen = max_t(u32, range.minlen, |
38 | bdev_discard_granularity(sbi->sb->s_bdev)); | |
4342306f KK |
39 | |
40 | err = ntfs_trim_fs(sbi, &range); | |
41 | if (err < 0) | |
42 | return err; | |
43 | ||
44 | if (copy_to_user(user_range, &range, sizeof(range))) | |
45 | return -EFAULT; | |
46 | ||
47 | return 0; | |
48 | } | |
49 | ||
50 | static long ntfs_ioctl(struct file *filp, u32 cmd, unsigned long arg) | |
51 | { | |
52 | struct inode *inode = file_inode(filp); | |
53 | struct ntfs_sb_info *sbi = inode->i_sb->s_fs_info; | |
4342306f KK |
54 | |
55 | switch (cmd) { | |
4342306f KK |
56 | case FITRIM: |
57 | return ntfs_ioctl_fitrim(sbi, arg); | |
58 | } | |
e8b8e97f | 59 | return -ENOTTY; /* Inappropriate ioctl for device. */ |
4342306f KK |
60 | } |
61 | ||
62 | #ifdef CONFIG_COMPAT | |
63 | static long ntfs_compat_ioctl(struct file *filp, u32 cmd, unsigned long arg) | |
64 | ||
65 | { | |
66 | return ntfs_ioctl(filp, cmd, (unsigned long)compat_ptr(arg)); | |
67 | } | |
68 | #endif | |
69 | ||
70 | /* | |
e8b8e97f | 71 | * ntfs_getattr - inode_operations::getattr |
4342306f KK |
72 | */ |
73 | int ntfs_getattr(struct user_namespace *mnt_userns, const struct path *path, | |
74 | struct kstat *stat, u32 request_mask, u32 flags) | |
75 | { | |
76 | struct inode *inode = d_inode(path->dentry); | |
77 | struct ntfs_inode *ni = ntfs_i(inode); | |
78 | ||
79 | if (is_compressed(ni)) | |
80 | stat->attributes |= STATX_ATTR_COMPRESSED; | |
81 | ||
82 | if (is_encrypted(ni)) | |
83 | stat->attributes |= STATX_ATTR_ENCRYPTED; | |
84 | ||
85 | stat->attributes_mask |= STATX_ATTR_COMPRESSED | STATX_ATTR_ENCRYPTED; | |
86 | ||
87 | generic_fillattr(mnt_userns, inode, stat); | |
88 | ||
89 | stat->result_mask |= STATX_BTIME; | |
90 | stat->btime = ni->i_crtime; | |
91 | stat->blksize = ni->mi.sbi->cluster_size; /* 512, 1K, ..., 2M */ | |
92 | ||
93 | return 0; | |
94 | } | |
95 | ||
96 | static int ntfs_extend_initialized_size(struct file *file, | |
97 | struct ntfs_inode *ni, | |
98 | const loff_t valid, | |
99 | const loff_t new_valid) | |
100 | { | |
101 | struct inode *inode = &ni->vfs_inode; | |
102 | struct address_space *mapping = inode->i_mapping; | |
103 | struct ntfs_sb_info *sbi = inode->i_sb->s_fs_info; | |
104 | loff_t pos = valid; | |
105 | int err; | |
106 | ||
107 | if (is_resident(ni)) { | |
108 | ni->i_valid = new_valid; | |
109 | return 0; | |
110 | } | |
111 | ||
112 | WARN_ON(is_compressed(ni)); | |
113 | WARN_ON(valid >= new_valid); | |
114 | ||
115 | for (;;) { | |
116 | u32 zerofrom, len; | |
117 | struct page *page; | |
4342306f KK |
118 | u8 bits; |
119 | CLST vcn, lcn, clen; | |
120 | ||
121 | if (is_sparsed(ni)) { | |
122 | bits = sbi->cluster_bits; | |
123 | vcn = pos >> bits; | |
124 | ||
c380b52f KK |
125 | err = attr_data_get_block(ni, vcn, 1, &lcn, &clen, NULL, |
126 | false); | |
4342306f KK |
127 | if (err) |
128 | goto out; | |
129 | ||
130 | if (lcn == SPARSE_LCN) { | |
2f56a3f8 KK |
131 | pos = ((loff_t)clen + vcn) << bits; |
132 | ni->i_valid = pos; | |
133 | goto next; | |
4342306f KK |
134 | } |
135 | } | |
136 | ||
137 | zerofrom = pos & (PAGE_SIZE - 1); | |
138 | len = PAGE_SIZE - zerofrom; | |
139 | ||
140 | if (pos + len > new_valid) | |
141 | len = new_valid - pos; | |
142 | ||
652118b8 | 143 | err = ntfs_write_begin(file, mapping, pos, len, &page, NULL); |
4342306f KK |
144 | if (err) |
145 | goto out; | |
146 | ||
147 | zero_user_segment(page, zerofrom, PAGE_SIZE); | |
148 | ||
e8b8e97f | 149 | /* This function in any case puts page. */ |
652118b8 | 150 | err = ntfs_write_end(file, mapping, pos, len, len, page, NULL); |
4342306f KK |
151 | if (err < 0) |
152 | goto out; | |
153 | pos += len; | |
154 | ||
155 | next: | |
156 | if (pos >= new_valid) | |
157 | break; | |
158 | ||
159 | balance_dirty_pages_ratelimited(mapping); | |
160 | cond_resched(); | |
161 | } | |
162 | ||
163 | return 0; | |
164 | ||
165 | out: | |
166 | ni->i_valid = valid; | |
167 | ntfs_inode_warn(inode, "failed to extend initialized size to %llx.", | |
168 | new_valid); | |
169 | return err; | |
170 | } | |
171 | ||
172 | /* | |
e8b8e97f | 173 | * ntfs_zero_range - Helper function for punch_hole. |
d3624466 KK |
174 | * |
175 | * It zeroes a range [vbo, vbo_to). | |
4342306f KK |
176 | */ |
177 | static int ntfs_zero_range(struct inode *inode, u64 vbo, u64 vbo_to) | |
178 | { | |
179 | int err = 0; | |
180 | struct address_space *mapping = inode->i_mapping; | |
181 | u32 blocksize = 1 << inode->i_blkbits; | |
182 | pgoff_t idx = vbo >> PAGE_SHIFT; | |
c380b52f | 183 | u32 from = vbo & (PAGE_SIZE - 1); |
4342306f KK |
184 | pgoff_t idx_end = (vbo_to + PAGE_SIZE - 1) >> PAGE_SHIFT; |
185 | loff_t page_off; | |
186 | struct buffer_head *head, *bh; | |
c380b52f | 187 | u32 bh_next, bh_off, to; |
4342306f KK |
188 | sector_t iblock; |
189 | struct page *page; | |
190 | ||
c380b52f | 191 | for (; idx < idx_end; idx += 1, from = 0) { |
4342306f | 192 | page_off = (loff_t)idx << PAGE_SHIFT; |
c380b52f KK |
193 | to = (page_off + PAGE_SIZE) > vbo_to ? (vbo_to - page_off) |
194 | : PAGE_SIZE; | |
4342306f KK |
195 | iblock = page_off >> inode->i_blkbits; |
196 | ||
197 | page = find_or_create_page(mapping, idx, | |
198 | mapping_gfp_constraint(mapping, | |
199 | ~__GFP_FS)); | |
200 | if (!page) | |
201 | return -ENOMEM; | |
202 | ||
203 | if (!page_has_buffers(page)) | |
204 | create_empty_buffers(page, blocksize, 0); | |
205 | ||
206 | bh = head = page_buffers(page); | |
207 | bh_off = 0; | |
208 | do { | |
209 | bh_next = bh_off + blocksize; | |
210 | ||
c380b52f | 211 | if (bh_next <= from || bh_off >= to) |
4342306f KK |
212 | continue; |
213 | ||
214 | if (!buffer_mapped(bh)) { | |
215 | ntfs_get_block(inode, iblock, bh, 0); | |
d3624466 | 216 | /* Unmapped? It's a hole - nothing to do. */ |
4342306f KK |
217 | if (!buffer_mapped(bh)) |
218 | continue; | |
219 | } | |
220 | ||
d3624466 | 221 | /* Ok, it's mapped. Make sure it's up-to-date. */ |
4342306f KK |
222 | if (PageUptodate(page)) |
223 | set_buffer_uptodate(bh); | |
224 | ||
225 | if (!buffer_uptodate(bh)) { | |
226 | lock_buffer(bh); | |
227 | bh->b_end_io = end_buffer_read_sync; | |
228 | get_bh(bh); | |
1420c4a5 | 229 | submit_bh(REQ_OP_READ, bh); |
4342306f KK |
230 | |
231 | wait_on_buffer(bh); | |
232 | if (!buffer_uptodate(bh)) { | |
233 | unlock_page(page); | |
234 | put_page(page); | |
235 | err = -EIO; | |
236 | goto out; | |
237 | } | |
238 | } | |
239 | ||
240 | mark_buffer_dirty(bh); | |
241 | ||
242 | } while (bh_off = bh_next, iblock += 1, | |
243 | head != (bh = bh->b_this_page)); | |
244 | ||
c380b52f | 245 | zero_user_segment(page, from, to); |
4342306f KK |
246 | |
247 | unlock_page(page); | |
248 | put_page(page); | |
249 | cond_resched(); | |
250 | } | |
251 | out: | |
252 | mark_inode_dirty(inode); | |
253 | return err; | |
254 | } | |
255 | ||
4342306f | 256 | /* |
e8b8e97f | 257 | * ntfs_file_mmap - file_operations::mmap |
4342306f KK |
258 | */ |
259 | static int ntfs_file_mmap(struct file *file, struct vm_area_struct *vma) | |
260 | { | |
261 | struct address_space *mapping = file->f_mapping; | |
262 | struct inode *inode = mapping->host; | |
263 | struct ntfs_inode *ni = ntfs_i(inode); | |
264 | u64 from = ((u64)vma->vm_pgoff << PAGE_SHIFT); | |
265 | bool rw = vma->vm_flags & VM_WRITE; | |
266 | int err; | |
267 | ||
268 | if (is_encrypted(ni)) { | |
269 | ntfs_inode_warn(inode, "mmap encrypted not supported"); | |
270 | return -EOPNOTSUPP; | |
271 | } | |
272 | ||
273 | if (is_dedup(ni)) { | |
274 | ntfs_inode_warn(inode, "mmap deduplicated not supported"); | |
275 | return -EOPNOTSUPP; | |
276 | } | |
277 | ||
278 | if (is_compressed(ni) && rw) { | |
279 | ntfs_inode_warn(inode, "mmap(write) compressed not supported"); | |
280 | return -EOPNOTSUPP; | |
281 | } | |
282 | ||
283 | if (rw) { | |
284 | u64 to = min_t(loff_t, i_size_read(inode), | |
285 | from + vma->vm_end - vma->vm_start); | |
286 | ||
287 | if (is_sparsed(ni)) { | |
e8b8e97f | 288 | /* Allocate clusters for rw map. */ |
4342306f KK |
289 | struct ntfs_sb_info *sbi = inode->i_sb->s_fs_info; |
290 | CLST lcn, len; | |
291 | CLST vcn = from >> sbi->cluster_bits; | |
292 | CLST end = bytes_to_cluster(sbi, to); | |
293 | bool new; | |
294 | ||
295 | for (; vcn < end; vcn += len) { | |
296 | err = attr_data_get_block(ni, vcn, 1, &lcn, | |
c380b52f | 297 | &len, &new, true); |
4342306f KK |
298 | if (err) |
299 | goto out; | |
4342306f KK |
300 | } |
301 | } | |
302 | ||
303 | if (ni->i_valid < to) { | |
304 | if (!inode_trylock(inode)) { | |
305 | err = -EAGAIN; | |
306 | goto out; | |
307 | } | |
308 | err = ntfs_extend_initialized_size(file, ni, | |
309 | ni->i_valid, to); | |
310 | inode_unlock(inode); | |
311 | if (err) | |
312 | goto out; | |
313 | } | |
314 | } | |
315 | ||
316 | err = generic_file_mmap(file, vma); | |
317 | out: | |
318 | return err; | |
319 | } | |
320 | ||
321 | static int ntfs_extend(struct inode *inode, loff_t pos, size_t count, | |
322 | struct file *file) | |
323 | { | |
324 | struct ntfs_inode *ni = ntfs_i(inode); | |
325 | struct address_space *mapping = inode->i_mapping; | |
326 | loff_t end = pos + count; | |
327 | bool extend_init = file && pos > ni->i_valid; | |
328 | int err; | |
329 | ||
330 | if (end <= inode->i_size && !extend_init) | |
331 | return 0; | |
332 | ||
e8b8e97f | 333 | /* Mark rw ntfs as dirty. It will be cleared at umount. */ |
4342306f KK |
334 | ntfs_set_state(ni->mi.sbi, NTFS_DIRTY_DIRTY); |
335 | ||
336 | if (end > inode->i_size) { | |
337 | err = ntfs_set_size(inode, end); | |
338 | if (err) | |
339 | goto out; | |
4342306f KK |
340 | } |
341 | ||
342 | if (extend_init && !is_compressed(ni)) { | |
343 | err = ntfs_extend_initialized_size(file, ni, ni->i_valid, pos); | |
344 | if (err) | |
345 | goto out; | |
346 | } else { | |
347 | err = 0; | |
348 | } | |
349 | ||
350 | inode->i_ctime = inode->i_mtime = current_time(inode); | |
351 | mark_inode_dirty(inode); | |
352 | ||
353 | if (IS_SYNC(inode)) { | |
354 | int err2; | |
355 | ||
356 | err = filemap_fdatawrite_range(mapping, pos, end - 1); | |
357 | err2 = sync_mapping_buffers(mapping); | |
358 | if (!err) | |
359 | err = err2; | |
360 | err2 = write_inode_now(inode, 1); | |
361 | if (!err) | |
362 | err = err2; | |
363 | if (!err) | |
364 | err = filemap_fdatawait_range(mapping, pos, end - 1); | |
365 | } | |
366 | ||
367 | out: | |
368 | return err; | |
369 | } | |
370 | ||
371 | static int ntfs_truncate(struct inode *inode, loff_t new_size) | |
372 | { | |
373 | struct super_block *sb = inode->i_sb; | |
374 | struct ntfs_inode *ni = ntfs_i(inode); | |
375 | int err, dirty = 0; | |
376 | u64 new_valid; | |
377 | ||
378 | if (!S_ISREG(inode->i_mode)) | |
379 | return 0; | |
380 | ||
381 | if (is_compressed(ni)) { | |
382 | if (ni->i_valid > new_size) | |
383 | ni->i_valid = new_size; | |
384 | } else { | |
385 | err = block_truncate_page(inode->i_mapping, new_size, | |
386 | ntfs_get_block); | |
387 | if (err) | |
388 | return err; | |
389 | } | |
390 | ||
391 | new_valid = ntfs_up_block(sb, min_t(u64, ni->i_valid, new_size)); | |
392 | ||
393 | ni_lock(ni); | |
394 | ||
395 | truncate_setsize(inode, new_size); | |
396 | ||
397 | down_write(&ni->file.run_lock); | |
398 | err = attr_set_size(ni, ATTR_DATA, NULL, 0, &ni->file.run, new_size, | |
e95113ed | 399 | &new_valid, ni->mi.sbi->options->prealloc, NULL); |
4342306f KK |
400 | up_write(&ni->file.run_lock); |
401 | ||
402 | if (new_valid < ni->i_valid) | |
403 | ni->i_valid = new_valid; | |
404 | ||
405 | ni_unlock(ni); | |
406 | ||
407 | ni->std_fa |= FILE_ATTRIBUTE_ARCHIVE; | |
408 | inode->i_ctime = inode->i_mtime = current_time(inode); | |
409 | if (!IS_DIRSYNC(inode)) { | |
410 | dirty = 1; | |
411 | } else { | |
412 | err = ntfs_sync_inode(inode); | |
413 | if (err) | |
414 | return err; | |
415 | } | |
416 | ||
417 | if (dirty) | |
418 | mark_inode_dirty(inode); | |
419 | ||
420 | /*ntfs_flush_inodes(inode->i_sb, inode, NULL);*/ | |
421 | ||
422 | return 0; | |
423 | } | |
424 | ||
425 | /* | |
e8b8e97f KA |
426 | * ntfs_fallocate |
427 | * | |
4342306f KK |
428 | * Preallocate space for a file. This implements ntfs's fallocate file |
429 | * operation, which gets called from sys_fallocate system call. User | |
430 | * space requests 'len' bytes at 'vbo'. If FALLOC_FL_KEEP_SIZE is set | |
431 | * we just allocate clusters without zeroing them out. Otherwise we | |
432 | * allocate and zero out clusters via an expanding truncate. | |
433 | */ | |
434 | static long ntfs_fallocate(struct file *file, int mode, loff_t vbo, loff_t len) | |
435 | { | |
436 | struct inode *inode = file->f_mapping->host; | |
e4d2f4fd | 437 | struct address_space *mapping = inode->i_mapping; |
4342306f KK |
438 | struct super_block *sb = inode->i_sb; |
439 | struct ntfs_sb_info *sbi = sb->s_fs_info; | |
440 | struct ntfs_inode *ni = ntfs_i(inode); | |
441 | loff_t end = vbo + len; | |
c380b52f KK |
442 | loff_t vbo_down = round_down(vbo, max_t(unsigned long, |
443 | sbi->cluster_size, PAGE_SIZE)); | |
e4d2f4fd KK |
444 | bool is_supported_holes = is_sparsed(ni) || is_compressed(ni); |
445 | loff_t i_size, new_size; | |
446 | bool map_locked; | |
4342306f KK |
447 | int err; |
448 | ||
e8b8e97f | 449 | /* No support for dir. */ |
4342306f KK |
450 | if (!S_ISREG(inode->i_mode)) |
451 | return -EOPNOTSUPP; | |
452 | ||
e4d2f4fd KK |
453 | /* |
454 | * vfs_fallocate checks all possible combinations of mode. | |
455 | * Do additional checks here before ntfs_set_state(dirty). | |
456 | */ | |
457 | if (mode & FALLOC_FL_PUNCH_HOLE) { | |
458 | if (!is_supported_holes) | |
459 | return -EOPNOTSUPP; | |
460 | } else if (mode & FALLOC_FL_COLLAPSE_RANGE) { | |
461 | } else if (mode & FALLOC_FL_INSERT_RANGE) { | |
462 | if (!is_supported_holes) | |
463 | return -EOPNOTSUPP; | |
464 | } else if (mode & | |
465 | ~(FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE | | |
466 | FALLOC_FL_COLLAPSE_RANGE | FALLOC_FL_INSERT_RANGE)) { | |
4342306f KK |
467 | ntfs_inode_warn(inode, "fallocate(0x%x) is not supported", |
468 | mode); | |
469 | return -EOPNOTSUPP; | |
470 | } | |
471 | ||
472 | ntfs_set_state(sbi, NTFS_DIRTY_DIRTY); | |
473 | ||
474 | inode_lock(inode); | |
475 | i_size = inode->i_size; | |
e4d2f4fd KK |
476 | new_size = max(end, i_size); |
477 | map_locked = false; | |
4342306f KK |
478 | |
479 | if (WARN_ON(ni->ni_flags & NI_FLAG_COMPRESSED_MASK)) { | |
e8b8e97f | 480 | /* Should never be here, see ntfs_file_open. */ |
4342306f KK |
481 | err = -EOPNOTSUPP; |
482 | goto out; | |
483 | } | |
484 | ||
e4d2f4fd KK |
485 | if (mode & (FALLOC_FL_PUNCH_HOLE | FALLOC_FL_COLLAPSE_RANGE | |
486 | FALLOC_FL_INSERT_RANGE)) { | |
487 | inode_dio_wait(inode); | |
488 | filemap_invalidate_lock(mapping); | |
489 | map_locked = true; | |
490 | } | |
491 | ||
4342306f KK |
492 | if (mode & FALLOC_FL_PUNCH_HOLE) { |
493 | u32 frame_size; | |
494 | loff_t mask, vbo_a, end_a, tmp; | |
495 | ||
c380b52f KK |
496 | err = filemap_write_and_wait_range(mapping, vbo_down, |
497 | LLONG_MAX); | |
4342306f KK |
498 | if (err) |
499 | goto out; | |
500 | ||
4342306f KK |
501 | truncate_pagecache(inode, vbo_down); |
502 | ||
4342306f KK |
503 | ni_lock(ni); |
504 | err = attr_punch_hole(ni, vbo, len, &frame_size); | |
505 | ni_unlock(ni); | |
506 | if (err != E_NTFS_NOTALIGNED) | |
507 | goto out; | |
508 | ||
d3624466 | 509 | /* Process not aligned punch. */ |
4342306f KK |
510 | mask = frame_size - 1; |
511 | vbo_a = (vbo + mask) & ~mask; | |
512 | end_a = end & ~mask; | |
513 | ||
514 | tmp = min(vbo_a, end); | |
515 | if (tmp > vbo) { | |
516 | err = ntfs_zero_range(inode, vbo, tmp); | |
517 | if (err) | |
518 | goto out; | |
519 | } | |
520 | ||
521 | if (vbo < end_a && end_a < end) { | |
522 | err = ntfs_zero_range(inode, end_a, end); | |
523 | if (err) | |
524 | goto out; | |
525 | } | |
526 | ||
527 | /* Aligned punch_hole */ | |
528 | if (end_a > vbo_a) { | |
529 | ni_lock(ni); | |
530 | err = attr_punch_hole(ni, vbo_a, end_a - vbo_a, NULL); | |
531 | ni_unlock(ni); | |
532 | } | |
533 | } else if (mode & FALLOC_FL_COLLAPSE_RANGE) { | |
4342306f KK |
534 | /* |
535 | * Write tail of the last page before removed range since | |
536 | * it will get removed from the page cache below. | |
537 | */ | |
e4d2f4fd | 538 | err = filemap_write_and_wait_range(mapping, vbo_down, vbo); |
4342306f KK |
539 | if (err) |
540 | goto out; | |
541 | ||
542 | /* | |
543 | * Write data that will be shifted to preserve them | |
e8b8e97f | 544 | * when discarding page cache below. |
4342306f | 545 | */ |
e4d2f4fd | 546 | err = filemap_write_and_wait_range(mapping, end, LLONG_MAX); |
4342306f KK |
547 | if (err) |
548 | goto out; | |
549 | ||
4342306f KK |
550 | truncate_pagecache(inode, vbo_down); |
551 | ||
552 | ni_lock(ni); | |
553 | err = attr_collapse_range(ni, vbo, len); | |
554 | ni_unlock(ni); | |
e4d2f4fd KK |
555 | } else if (mode & FALLOC_FL_INSERT_RANGE) { |
556 | /* Check new size. */ | |
557 | err = inode_newsize_ok(inode, new_size); | |
558 | if (err) | |
559 | goto out; | |
560 | ||
561 | /* Write out all dirty pages. */ | |
562 | err = filemap_write_and_wait_range(mapping, vbo_down, | |
563 | LLONG_MAX); | |
564 | if (err) | |
565 | goto out; | |
566 | truncate_pagecache(inode, vbo_down); | |
11434697 | 567 | |
e4d2f4fd KK |
568 | ni_lock(ni); |
569 | err = attr_insert_range(ni, vbo, len); | |
570 | ni_unlock(ni); | |
4342306f | 571 | } else { |
e4d2f4fd | 572 | /* Check new size. */ |
b3e04872 KK |
573 | |
574 | /* generic/213: expected -ENOSPC instead of -EFBIG. */ | |
575 | if (!is_supported_holes) { | |
576 | loff_t to_alloc = new_size - inode_get_bytes(inode); | |
577 | ||
578 | if (to_alloc > 0 && | |
579 | (to_alloc >> sbi->cluster_bits) > | |
580 | wnd_zeroes(&sbi->used.bitmap)) { | |
581 | err = -ENOSPC; | |
582 | goto out; | |
583 | } | |
584 | } | |
11434697 KK |
585 | |
586 | err = inode_newsize_ok(inode, new_size); | |
587 | if (err) | |
588 | goto out; | |
589 | ||
ad26a9c8 KK |
590 | if (new_size > i_size) { |
591 | /* | |
592 | * Allocate clusters, do not change 'valid' size. | |
593 | */ | |
594 | err = ntfs_set_size(inode, new_size); | |
595 | if (err) | |
596 | goto out; | |
597 | } | |
4342306f | 598 | |
e4d2f4fd | 599 | if (is_supported_holes) { |
4342306f KK |
600 | CLST vcn = vbo >> sbi->cluster_bits; |
601 | CLST cend = bytes_to_cluster(sbi, end); | |
c380b52f | 602 | CLST cend_v = bytes_to_cluster(sbi, ni->i_valid); |
4342306f KK |
603 | CLST lcn, clen; |
604 | bool new; | |
605 | ||
c380b52f KK |
606 | if (cend_v > cend) |
607 | cend_v = cend; | |
608 | ||
4342306f | 609 | /* |
c380b52f | 610 | * Allocate and zero new clusters. |
e8b8e97f | 611 | * Zeroing these clusters may be too long. |
c380b52f KK |
612 | */ |
613 | for (; vcn < cend_v; vcn += clen) { | |
614 | err = attr_data_get_block(ni, vcn, cend_v - vcn, | |
615 | &lcn, &clen, &new, | |
616 | true); | |
617 | if (err) | |
618 | goto out; | |
619 | } | |
620 | /* | |
621 | * Allocate but not zero new clusters. | |
4342306f KK |
622 | */ |
623 | for (; vcn < cend; vcn += clen) { | |
624 | err = attr_data_get_block(ni, vcn, cend - vcn, | |
c380b52f KK |
625 | &lcn, &clen, &new, |
626 | false); | |
4342306f KK |
627 | if (err) |
628 | goto out; | |
4342306f KK |
629 | } |
630 | } | |
631 | ||
632 | if (mode & FALLOC_FL_KEEP_SIZE) { | |
633 | ni_lock(ni); | |
e8b8e97f | 634 | /* True - Keep preallocated. */ |
4342306f KK |
635 | err = attr_set_size(ni, ATTR_DATA, NULL, 0, |
636 | &ni->file.run, i_size, &ni->i_valid, | |
637 | true, NULL); | |
638 | ni_unlock(ni); | |
ad26a9c8 KK |
639 | } else if (new_size > i_size) { |
640 | inode->i_size = new_size; | |
4342306f KK |
641 | } |
642 | } | |
643 | ||
644 | out: | |
e4d2f4fd KK |
645 | if (map_locked) |
646 | filemap_invalidate_unlock(mapping); | |
4342306f KK |
647 | |
648 | if (!err) { | |
649 | inode->i_ctime = inode->i_mtime = current_time(inode); | |
650 | mark_inode_dirty(inode); | |
651 | } | |
652 | ||
653 | inode_unlock(inode); | |
654 | return err; | |
655 | } | |
656 | ||
657 | /* | |
e8b8e97f | 658 | * ntfs3_setattr - inode_operations::setattr |
4342306f KK |
659 | */ |
660 | int ntfs3_setattr(struct user_namespace *mnt_userns, struct dentry *dentry, | |
661 | struct iattr *attr) | |
662 | { | |
663 | struct super_block *sb = dentry->d_sb; | |
664 | struct ntfs_sb_info *sbi = sb->s_fs_info; | |
665 | struct inode *inode = d_inode(dentry); | |
666 | struct ntfs_inode *ni = ntfs_i(inode); | |
667 | u32 ia_valid = attr->ia_valid; | |
668 | umode_t mode = inode->i_mode; | |
669 | int err; | |
670 | ||
28a941ff | 671 | if (sbi->options->noacsrules) { |
e8b8e97f | 672 | /* "No access rules" - Force any changes of time etc. */ |
4342306f | 673 | attr->ia_valid |= ATTR_FORCE; |
e8b8e97f | 674 | /* and disable for editing some attributes. */ |
4342306f KK |
675 | attr->ia_valid &= ~(ATTR_UID | ATTR_GID | ATTR_MODE); |
676 | ia_valid = attr->ia_valid; | |
677 | } | |
678 | ||
679 | err = setattr_prepare(mnt_userns, dentry, attr); | |
680 | if (err) | |
681 | goto out; | |
682 | ||
683 | if (ia_valid & ATTR_SIZE) { | |
ad26a9c8 | 684 | loff_t newsize, oldsize; |
4342306f KK |
685 | |
686 | if (WARN_ON(ni->ni_flags & NI_FLAG_COMPRESSED_MASK)) { | |
e8b8e97f | 687 | /* Should never be here, see ntfs_file_open(). */ |
4342306f KK |
688 | err = -EOPNOTSUPP; |
689 | goto out; | |
690 | } | |
691 | inode_dio_wait(inode); | |
ad26a9c8 KK |
692 | oldsize = inode->i_size; |
693 | newsize = attr->ia_size; | |
4342306f | 694 | |
ad26a9c8 KK |
695 | if (newsize <= oldsize) |
696 | err = ntfs_truncate(inode, newsize); | |
697 | else | |
698 | err = ntfs_extend(inode, newsize, 0, NULL); | |
4342306f KK |
699 | |
700 | if (err) | |
701 | goto out; | |
702 | ||
703 | ni->ni_flags |= NI_FLAG_UPDATE_PARENT; | |
ad26a9c8 | 704 | inode->i_size = newsize; |
4342306f KK |
705 | } |
706 | ||
707 | setattr_copy(mnt_userns, inode, attr); | |
708 | ||
709 | if (mode != inode->i_mode) { | |
138060ba | 710 | err = ntfs_acl_chmod(mnt_userns, dentry); |
4342306f KK |
711 | if (err) |
712 | goto out; | |
713 | ||
e8b8e97f | 714 | /* Linux 'w' -> Windows 'ro'. */ |
4342306f KK |
715 | if (0222 & inode->i_mode) |
716 | ni->std_fa &= ~FILE_ATTRIBUTE_READONLY; | |
717 | else | |
718 | ni->std_fa |= FILE_ATTRIBUTE_READONLY; | |
719 | } | |
720 | ||
721 | if (ia_valid & (ATTR_UID | ATTR_GID | ATTR_MODE)) | |
722 | ntfs_save_wsl_perm(inode); | |
723 | mark_inode_dirty(inode); | |
724 | out: | |
725 | return err; | |
726 | } | |
727 | ||
728 | static ssize_t ntfs_file_read_iter(struct kiocb *iocb, struct iov_iter *iter) | |
729 | { | |
4342306f KK |
730 | struct file *file = iocb->ki_filp; |
731 | struct inode *inode = file->f_mapping->host; | |
732 | struct ntfs_inode *ni = ntfs_i(inode); | |
733 | ||
734 | if (is_encrypted(ni)) { | |
735 | ntfs_inode_warn(inode, "encrypted i/o not supported"); | |
736 | return -EOPNOTSUPP; | |
737 | } | |
738 | ||
739 | if (is_compressed(ni) && (iocb->ki_flags & IOCB_DIRECT)) { | |
740 | ntfs_inode_warn(inode, "direct i/o + compressed not supported"); | |
741 | return -EOPNOTSUPP; | |
742 | } | |
743 | ||
744 | #ifndef CONFIG_NTFS3_LZX_XPRESS | |
745 | if (ni->ni_flags & NI_FLAG_COMPRESSED_MASK) { | |
746 | ntfs_inode_warn( | |
747 | inode, | |
748 | "activate CONFIG_NTFS3_LZX_XPRESS to read external compressed files"); | |
749 | return -EOPNOTSUPP; | |
750 | } | |
751 | #endif | |
752 | ||
753 | if (is_dedup(ni)) { | |
754 | ntfs_inode_warn(inode, "read deduplicated not supported"); | |
755 | return -EOPNOTSUPP; | |
756 | } | |
757 | ||
dd854e4b | 758 | return generic_file_read_iter(iocb, iter); |
4342306f KK |
759 | } |
760 | ||
e8b8e97f KA |
761 | /* |
762 | * ntfs_get_frame_pages | |
763 | * | |
764 | * Return: Array of locked pages. | |
765 | */ | |
4342306f KK |
766 | static int ntfs_get_frame_pages(struct address_space *mapping, pgoff_t index, |
767 | struct page **pages, u32 pages_per_frame, | |
768 | bool *frame_uptodate) | |
769 | { | |
770 | gfp_t gfp_mask = mapping_gfp_mask(mapping); | |
771 | u32 npages; | |
772 | ||
773 | *frame_uptodate = true; | |
774 | ||
775 | for (npages = 0; npages < pages_per_frame; npages++, index++) { | |
776 | struct page *page; | |
777 | ||
778 | page = find_or_create_page(mapping, index, gfp_mask); | |
779 | if (!page) { | |
780 | while (npages--) { | |
781 | page = pages[npages]; | |
782 | unlock_page(page); | |
783 | put_page(page); | |
784 | } | |
785 | ||
786 | return -ENOMEM; | |
787 | } | |
788 | ||
789 | if (!PageUptodate(page)) | |
790 | *frame_uptodate = false; | |
791 | ||
792 | pages[npages] = page; | |
793 | } | |
794 | ||
795 | return 0; | |
796 | } | |
797 | ||
e8b8e97f KA |
798 | /* |
799 | * ntfs_compress_write - Helper for ntfs_file_write_iter() (compressed files). | |
800 | */ | |
4342306f KK |
801 | static ssize_t ntfs_compress_write(struct kiocb *iocb, struct iov_iter *from) |
802 | { | |
803 | int err; | |
804 | struct file *file = iocb->ki_filp; | |
805 | size_t count = iov_iter_count(from); | |
806 | loff_t pos = iocb->ki_pos; | |
807 | struct inode *inode = file_inode(file); | |
808 | loff_t i_size = inode->i_size; | |
809 | struct address_space *mapping = inode->i_mapping; | |
810 | struct ntfs_inode *ni = ntfs_i(inode); | |
811 | u64 valid = ni->i_valid; | |
812 | struct ntfs_sb_info *sbi = ni->mi.sbi; | |
813 | struct page *page, **pages = NULL; | |
814 | size_t written = 0; | |
815 | u8 frame_bits = NTFS_LZNT_CUNIT + sbi->cluster_bits; | |
816 | u32 frame_size = 1u << frame_bits; | |
817 | u32 pages_per_frame = frame_size >> PAGE_SHIFT; | |
818 | u32 ip, off; | |
819 | CLST frame; | |
820 | u64 frame_vbo; | |
821 | pgoff_t index; | |
822 | bool frame_uptodate; | |
823 | ||
824 | if (frame_size < PAGE_SIZE) { | |
825 | /* | |
826 | * frame_size == 8K if cluster 512 | |
827 | * frame_size == 64K if cluster 4096 | |
828 | */ | |
829 | ntfs_inode_warn(inode, "page size is bigger than frame size"); | |
830 | return -EOPNOTSUPP; | |
831 | } | |
832 | ||
345482bc | 833 | pages = kmalloc_array(pages_per_frame, sizeof(struct page *), GFP_NOFS); |
4342306f KK |
834 | if (!pages) |
835 | return -ENOMEM; | |
836 | ||
837 | current->backing_dev_info = inode_to_bdi(inode); | |
838 | err = file_remove_privs(file); | |
839 | if (err) | |
840 | goto out; | |
841 | ||
842 | err = file_update_time(file); | |
843 | if (err) | |
844 | goto out; | |
845 | ||
e8b8e97f | 846 | /* Zero range [valid : pos). */ |
4342306f KK |
847 | while (valid < pos) { |
848 | CLST lcn, clen; | |
849 | ||
850 | frame = valid >> frame_bits; | |
851 | frame_vbo = valid & ~(frame_size - 1); | |
852 | off = valid & (frame_size - 1); | |
853 | ||
c380b52f KK |
854 | err = attr_data_get_block(ni, frame << NTFS_LZNT_CUNIT, 1, &lcn, |
855 | &clen, NULL, false); | |
4342306f KK |
856 | if (err) |
857 | goto out; | |
858 | ||
859 | if (lcn == SPARSE_LCN) { | |
860 | ni->i_valid = valid = | |
861 | frame_vbo + ((u64)clen << sbi->cluster_bits); | |
862 | continue; | |
863 | } | |
864 | ||
e8b8e97f | 865 | /* Load full frame. */ |
4342306f KK |
866 | err = ntfs_get_frame_pages(mapping, frame_vbo >> PAGE_SHIFT, |
867 | pages, pages_per_frame, | |
868 | &frame_uptodate); | |
869 | if (err) | |
870 | goto out; | |
871 | ||
872 | if (!frame_uptodate && off) { | |
873 | err = ni_read_frame(ni, frame_vbo, pages, | |
874 | pages_per_frame); | |
875 | if (err) { | |
876 | for (ip = 0; ip < pages_per_frame; ip++) { | |
877 | page = pages[ip]; | |
878 | unlock_page(page); | |
879 | put_page(page); | |
880 | } | |
881 | goto out; | |
882 | } | |
883 | } | |
884 | ||
885 | ip = off >> PAGE_SHIFT; | |
886 | off = offset_in_page(valid); | |
887 | for (; ip < pages_per_frame; ip++, off = 0) { | |
888 | page = pages[ip]; | |
889 | zero_user_segment(page, off, PAGE_SIZE); | |
890 | flush_dcache_page(page); | |
891 | SetPageUptodate(page); | |
892 | } | |
893 | ||
894 | ni_lock(ni); | |
895 | err = ni_write_frame(ni, pages, pages_per_frame); | |
896 | ni_unlock(ni); | |
897 | ||
898 | for (ip = 0; ip < pages_per_frame; ip++) { | |
899 | page = pages[ip]; | |
900 | SetPageUptodate(page); | |
901 | unlock_page(page); | |
902 | put_page(page); | |
903 | } | |
904 | ||
905 | if (err) | |
906 | goto out; | |
907 | ||
908 | ni->i_valid = valid = frame_vbo + frame_size; | |
909 | } | |
910 | ||
e8b8e97f | 911 | /* Copy user data [pos : pos + count). */ |
4342306f KK |
912 | while (count) { |
913 | size_t copied, bytes; | |
914 | ||
915 | off = pos & (frame_size - 1); | |
916 | bytes = frame_size - off; | |
917 | if (bytes > count) | |
918 | bytes = count; | |
919 | ||
4342306f KK |
920 | frame_vbo = pos & ~(frame_size - 1); |
921 | index = frame_vbo >> PAGE_SHIFT; | |
922 | ||
a6294593 | 923 | if (unlikely(fault_in_iov_iter_readable(from, bytes))) { |
4342306f KK |
924 | err = -EFAULT; |
925 | goto out; | |
926 | } | |
927 | ||
e8b8e97f | 928 | /* Load full frame. */ |
4342306f KK |
929 | err = ntfs_get_frame_pages(mapping, index, pages, |
930 | pages_per_frame, &frame_uptodate); | |
931 | if (err) | |
932 | goto out; | |
933 | ||
934 | if (!frame_uptodate) { | |
935 | loff_t to = pos + bytes; | |
936 | ||
937 | if (off || (to < i_size && (to & (frame_size - 1)))) { | |
938 | err = ni_read_frame(ni, frame_vbo, pages, | |
939 | pages_per_frame); | |
940 | if (err) { | |
941 | for (ip = 0; ip < pages_per_frame; | |
942 | ip++) { | |
943 | page = pages[ip]; | |
944 | unlock_page(page); | |
945 | put_page(page); | |
946 | } | |
947 | goto out; | |
948 | } | |
949 | } | |
950 | } | |
951 | ||
952 | WARN_ON(!bytes); | |
953 | copied = 0; | |
954 | ip = off >> PAGE_SHIFT; | |
955 | off = offset_in_page(pos); | |
956 | ||
e8b8e97f | 957 | /* Copy user data to pages. */ |
4342306f KK |
958 | for (;;) { |
959 | size_t cp, tail = PAGE_SIZE - off; | |
960 | ||
961 | page = pages[ip]; | |
962 | cp = copy_page_from_iter_atomic(page, off, | |
963 | min(tail, bytes), from); | |
964 | flush_dcache_page(page); | |
965 | ||
966 | copied += cp; | |
967 | bytes -= cp; | |
968 | if (!bytes || !cp) | |
969 | break; | |
970 | ||
971 | if (cp < tail) { | |
972 | off += cp; | |
973 | } else { | |
974 | ip++; | |
975 | off = 0; | |
976 | } | |
977 | } | |
978 | ||
979 | ni_lock(ni); | |
980 | err = ni_write_frame(ni, pages, pages_per_frame); | |
981 | ni_unlock(ni); | |
982 | ||
983 | for (ip = 0; ip < pages_per_frame; ip++) { | |
984 | page = pages[ip]; | |
985 | ClearPageDirty(page); | |
986 | SetPageUptodate(page); | |
987 | unlock_page(page); | |
988 | put_page(page); | |
989 | } | |
990 | ||
991 | if (err) | |
992 | goto out; | |
993 | ||
994 | /* | |
995 | * We can loop for a long time in here. Be nice and allow | |
996 | * us to schedule out to avoid softlocking if preempt | |
997 | * is disabled. | |
998 | */ | |
999 | cond_resched(); | |
1000 | ||
1001 | pos += copied; | |
1002 | written += copied; | |
1003 | ||
1004 | count = iov_iter_count(from); | |
1005 | } | |
1006 | ||
1007 | out: | |
195c52bd | 1008 | kfree(pages); |
4342306f KK |
1009 | |
1010 | current->backing_dev_info = NULL; | |
1011 | ||
1012 | if (err < 0) | |
1013 | return err; | |
1014 | ||
1015 | iocb->ki_pos += written; | |
1016 | if (iocb->ki_pos > ni->i_valid) | |
1017 | ni->i_valid = iocb->ki_pos; | |
1018 | ||
1019 | return written; | |
1020 | } | |
1021 | ||
1022 | /* | |
e8b8e97f | 1023 | * ntfs_file_write_iter - file_operations::write_iter |
4342306f KK |
1024 | */ |
1025 | static ssize_t ntfs_file_write_iter(struct kiocb *iocb, struct iov_iter *from) | |
1026 | { | |
1027 | struct file *file = iocb->ki_filp; | |
1028 | struct address_space *mapping = file->f_mapping; | |
1029 | struct inode *inode = mapping->host; | |
1030 | ssize_t ret; | |
1031 | struct ntfs_inode *ni = ntfs_i(inode); | |
1032 | ||
1033 | if (is_encrypted(ni)) { | |
1034 | ntfs_inode_warn(inode, "encrypted i/o not supported"); | |
1035 | return -EOPNOTSUPP; | |
1036 | } | |
1037 | ||
1038 | if (is_compressed(ni) && (iocb->ki_flags & IOCB_DIRECT)) { | |
1039 | ntfs_inode_warn(inode, "direct i/o + compressed not supported"); | |
1040 | return -EOPNOTSUPP; | |
1041 | } | |
1042 | ||
1043 | if (is_dedup(ni)) { | |
1044 | ntfs_inode_warn(inode, "write into deduplicated not supported"); | |
1045 | return -EOPNOTSUPP; | |
1046 | } | |
1047 | ||
1048 | if (!inode_trylock(inode)) { | |
1049 | if (iocb->ki_flags & IOCB_NOWAIT) | |
1050 | return -EAGAIN; | |
1051 | inode_lock(inode); | |
1052 | } | |
1053 | ||
1054 | ret = generic_write_checks(iocb, from); | |
1055 | if (ret <= 0) | |
1056 | goto out; | |
1057 | ||
1058 | if (WARN_ON(ni->ni_flags & NI_FLAG_COMPRESSED_MASK)) { | |
d3624466 | 1059 | /* Should never be here, see ntfs_file_open(). */ |
4342306f KK |
1060 | ret = -EOPNOTSUPP; |
1061 | goto out; | |
1062 | } | |
1063 | ||
1064 | ret = ntfs_extend(inode, iocb->ki_pos, ret, file); | |
1065 | if (ret) | |
1066 | goto out; | |
1067 | ||
1068 | ret = is_compressed(ni) ? ntfs_compress_write(iocb, from) | |
1069 | : __generic_file_write_iter(iocb, from); | |
1070 | ||
1071 | out: | |
1072 | inode_unlock(inode); | |
1073 | ||
1074 | if (ret > 0) | |
1075 | ret = generic_write_sync(iocb, ret); | |
1076 | ||
1077 | return ret; | |
1078 | } | |
1079 | ||
1080 | /* | |
e8b8e97f | 1081 | * ntfs_file_open - file_operations::open |
4342306f KK |
1082 | */ |
1083 | int ntfs_file_open(struct inode *inode, struct file *file) | |
1084 | { | |
1085 | struct ntfs_inode *ni = ntfs_i(inode); | |
1086 | ||
1087 | if (unlikely((is_compressed(ni) || is_encrypted(ni)) && | |
1088 | (file->f_flags & O_DIRECT))) { | |
1089 | return -EOPNOTSUPP; | |
1090 | } | |
1091 | ||
e8b8e97f | 1092 | /* Decompress "external compressed" file if opened for rw. */ |
4342306f KK |
1093 | if ((ni->ni_flags & NI_FLAG_COMPRESSED_MASK) && |
1094 | (file->f_flags & (O_WRONLY | O_RDWR | O_TRUNC))) { | |
1095 | #ifdef CONFIG_NTFS3_LZX_XPRESS | |
1096 | int err = ni_decompress_file(ni); | |
1097 | ||
1098 | if (err) | |
1099 | return err; | |
1100 | #else | |
1101 | ntfs_inode_warn( | |
1102 | inode, | |
1103 | "activate CONFIG_NTFS3_LZX_XPRESS to write external compressed files"); | |
1104 | return -EOPNOTSUPP; | |
1105 | #endif | |
1106 | } | |
1107 | ||
1108 | return generic_file_open(inode, file); | |
1109 | } | |
1110 | ||
1111 | /* | |
e8b8e97f | 1112 | * ntfs_file_release - file_operations::release |
4342306f KK |
1113 | */ |
1114 | static int ntfs_file_release(struct inode *inode, struct file *file) | |
1115 | { | |
1116 | struct ntfs_inode *ni = ntfs_i(inode); | |
1117 | struct ntfs_sb_info *sbi = ni->mi.sbi; | |
1118 | int err = 0; | |
1119 | ||
e8b8e97f | 1120 | /* If we are last writer on the inode, drop the block reservation. */ |
564c97bd | 1121 | if (sbi->options->prealloc && ((file->f_mode & FMODE_WRITE) && |
4342306f KK |
1122 | atomic_read(&inode->i_writecount) == 1)) { |
1123 | ni_lock(ni); | |
1124 | down_write(&ni->file.run_lock); | |
1125 | ||
1126 | err = attr_set_size(ni, ATTR_DATA, NULL, 0, &ni->file.run, | |
1127 | inode->i_size, &ni->i_valid, false, NULL); | |
1128 | ||
1129 | up_write(&ni->file.run_lock); | |
1130 | ni_unlock(ni); | |
1131 | } | |
1132 | return err; | |
1133 | } | |
1134 | ||
e8b8e97f KA |
1135 | /* |
1136 | * ntfs_fiemap - file_operations::fiemap | |
1137 | */ | |
4342306f KK |
1138 | int ntfs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, |
1139 | __u64 start, __u64 len) | |
1140 | { | |
1141 | int err; | |
1142 | struct ntfs_inode *ni = ntfs_i(inode); | |
1143 | ||
d4e8e135 KA |
1144 | err = fiemap_prep(inode, fieinfo, start, &len, ~FIEMAP_FLAG_XATTR); |
1145 | if (err) | |
1146 | return err; | |
4342306f KK |
1147 | |
1148 | ni_lock(ni); | |
1149 | ||
1150 | err = ni_fiemap(ni, fieinfo, start, len); | |
1151 | ||
1152 | ni_unlock(ni); | |
1153 | ||
1154 | return err; | |
1155 | } | |
1156 | ||
1157 | // clang-format off | |
1158 | const struct inode_operations ntfs_file_inode_operations = { | |
1159 | .getattr = ntfs_getattr, | |
1160 | .setattr = ntfs3_setattr, | |
1161 | .listxattr = ntfs_listxattr, | |
1162 | .permission = ntfs_permission, | |
cac2f8b8 | 1163 | .get_inode_acl = ntfs_get_acl, |
4342306f KK |
1164 | .set_acl = ntfs_set_acl, |
1165 | .fiemap = ntfs_fiemap, | |
1166 | }; | |
1167 | ||
1168 | const struct file_operations ntfs_file_operations = { | |
1169 | .llseek = generic_file_llseek, | |
1170 | .read_iter = ntfs_file_read_iter, | |
1171 | .write_iter = ntfs_file_write_iter, | |
1172 | .unlocked_ioctl = ntfs_ioctl, | |
1173 | #ifdef CONFIG_COMPAT | |
1174 | .compat_ioctl = ntfs_compat_ioctl, | |
1175 | #endif | |
1176 | .splice_read = generic_file_splice_read, | |
1177 | .mmap = ntfs_file_mmap, | |
1178 | .open = ntfs_file_open, | |
1179 | .fsync = generic_file_fsync, | |
1180 | .splice_write = iter_file_splice_write, | |
1181 | .fallocate = ntfs_fallocate, | |
1182 | .release = ntfs_file_release, | |
1183 | }; | |
1184 | // clang-format on |