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Linux 3.12.5
[linux/fpc-iii.git] / fs / hfsplus / inode.c
blob37213d075f3c5c9f29029b280b093781ddb526ca
1 /*
2 * linux/fs/hfsplus/inode.c
3 *
4 * Copyright (C) 2001
5 * Brad Boyer (flar@allandria.com)
6 * (C) 2003 Ardis Technologies <roman@ardistech.com>
7 *
8 * Inode handling routines
9 */
10
11 #include <linux/blkdev.h>
12 #include <linux/mm.h>
13 #include <linux/fs.h>
14 #include <linux/pagemap.h>
15 #include <linux/mpage.h>
16 #include <linux/sched.h>
17 #include <linux/aio.h>
18
19 #include "hfsplus_fs.h"
20 #include "hfsplus_raw.h"
21 #include "xattr.h"
22 #include "acl.h"
23
24 static int hfsplus_readpage(struct file *file, struct page *page)
25 {
26 return block_read_full_page(page, hfsplus_get_block);
27 }
28
29 static int hfsplus_writepage(struct page *page, struct writeback_control *wbc)
30 {
31 return block_write_full_page(page, hfsplus_get_block, wbc);
32 }
33
34 static void hfsplus_write_failed(struct address_space *mapping, loff_t to)
35 {
36 struct inode *inode = mapping->host;
37
38 if (to > inode->i_size) {
39 truncate_pagecache(inode, inode->i_size);
40 hfsplus_file_truncate(inode);
41 }
42 }
43
44 static int hfsplus_write_begin(struct file *file, struct address_space *mapping,
45 loff_t pos, unsigned len, unsigned flags,
46 struct page **pagep, void **fsdata)
47 {
48 int ret;
49
50 *pagep = NULL;
51 ret = cont_write_begin(file, mapping, pos, len, flags, pagep, fsdata,
52 hfsplus_get_block,
53 &HFSPLUS_I(mapping->host)->phys_size);
54 if (unlikely(ret))
55 hfsplus_write_failed(mapping, pos + len);
56
57 return ret;
58 }
59
60 static sector_t hfsplus_bmap(struct address_space *mapping, sector_t block)
61 {
62 return generic_block_bmap(mapping, block, hfsplus_get_block);
63 }
64
65 static int hfsplus_releasepage(struct page *page, gfp_t mask)
66 {
67 struct inode *inode = page->mapping->host;
68 struct super_block *sb = inode->i_sb;
69 struct hfs_btree *tree;
70 struct hfs_bnode *node;
71 u32 nidx;
72 int i, res = 1;
73
74 switch (inode->i_ino) {
75 case HFSPLUS_EXT_CNID:
76 tree = HFSPLUS_SB(sb)->ext_tree;
77 break;
78 case HFSPLUS_CAT_CNID:
79 tree = HFSPLUS_SB(sb)->cat_tree;
80 break;
81 case HFSPLUS_ATTR_CNID:
82 tree = HFSPLUS_SB(sb)->attr_tree;
83 break;
84 default:
85 BUG();
86 return 0;
87 }
88 if (!tree)
89 return 0;
90 if (tree->node_size >= PAGE_CACHE_SIZE) {
91 nidx = page->index >>
92 (tree->node_size_shift - PAGE_CACHE_SHIFT);
93 spin_lock(&tree->hash_lock);
94 node = hfs_bnode_findhash(tree, nidx);
95 if (!node)
96 ;
97 else if (atomic_read(&node->refcnt))
98 res = 0;
99 if (res && node) {
100 hfs_bnode_unhash(node);
101 hfs_bnode_free(node);
102 }
103 spin_unlock(&tree->hash_lock);
104 } else {
105 nidx = page->index <<
106 (PAGE_CACHE_SHIFT - tree->node_size_shift);
107 i = 1 << (PAGE_CACHE_SHIFT - tree->node_size_shift);
108 spin_lock(&tree->hash_lock);
109 do {
110 node = hfs_bnode_findhash(tree, nidx++);
111 if (!node)
112 continue;
113 if (atomic_read(&node->refcnt)) {
114 res = 0;
115 break;
116 }
117 hfs_bnode_unhash(node);
118 hfs_bnode_free(node);
119 } while (--i && nidx < tree->node_count);
120 spin_unlock(&tree->hash_lock);
121 }
122 return res ? try_to_free_buffers(page) : 0;
123 }
124
125 static ssize_t hfsplus_direct_IO(int rw, struct kiocb *iocb,
126 const struct iovec *iov, loff_t offset, unsigned long nr_segs)
127 {
128 struct file *file = iocb->ki_filp;
129 struct address_space *mapping = file->f_mapping;
130 struct inode *inode = file_inode(file)->i_mapping->host;
131 ssize_t ret;
132
133 ret = blockdev_direct_IO(rw, iocb, inode, iov, offset, nr_segs,
134 hfsplus_get_block);
135
136 /*
137 * In case of error extending write may have instantiated a few
138 * blocks outside i_size. Trim these off again.
139 */
140 if (unlikely((rw & WRITE) && ret < 0)) {
141 loff_t isize = i_size_read(inode);
142 loff_t end = offset + iov_length(iov, nr_segs);
143
144 if (end > isize)
145 hfsplus_write_failed(mapping, end);
146 }
147
148 return ret;
149 }
150
151 static int hfsplus_writepages(struct address_space *mapping,
152 struct writeback_control *wbc)
153 {
154 return mpage_writepages(mapping, wbc, hfsplus_get_block);
155 }
156
157 const struct address_space_operations hfsplus_btree_aops = {
158 .readpage = hfsplus_readpage,
159 .writepage = hfsplus_writepage,
160 .write_begin = hfsplus_write_begin,
161 .write_end = generic_write_end,
162 .bmap = hfsplus_bmap,
163 .releasepage = hfsplus_releasepage,
164 };
165
166 const struct address_space_operations hfsplus_aops = {
167 .readpage = hfsplus_readpage,
168 .writepage = hfsplus_writepage,
169 .write_begin = hfsplus_write_begin,
170 .write_end = generic_write_end,
171 .bmap = hfsplus_bmap,
172 .direct_IO = hfsplus_direct_IO,
173 .writepages = hfsplus_writepages,
174 };
175
176 const struct dentry_operations hfsplus_dentry_operations = {
177 .d_hash = hfsplus_hash_dentry,
178 .d_compare = hfsplus_compare_dentry,
179 };
180
181 static struct dentry *hfsplus_file_lookup(struct inode *dir,
182 struct dentry *dentry, unsigned int flags)
183 {
184 struct hfs_find_data fd;
185 struct super_block *sb = dir->i_sb;
186 struct inode *inode = NULL;
187 struct hfsplus_inode_info *hip;
188 int err;
189
190 if (HFSPLUS_IS_RSRC(dir) || strcmp(dentry->d_name.name, "rsrc"))
191 goto out;
192
193 inode = HFSPLUS_I(dir)->rsrc_inode;
194 if (inode)
195 goto out;
196
197 inode = new_inode(sb);
198 if (!inode)
199 return ERR_PTR(-ENOMEM);
200
201 hip = HFSPLUS_I(inode);
202 inode->i_ino = dir->i_ino;
203 INIT_LIST_HEAD(&hip->open_dir_list);
204 mutex_init(&hip->extents_lock);
205 hip->extent_state = 0;
206 hip->flags = 0;
207 hip->userflags = 0;
208 set_bit(HFSPLUS_I_RSRC, &hip->flags);
209
210 err = hfs_find_init(HFSPLUS_SB(sb)->cat_tree, &fd);
211 if (!err) {
212 err = hfsplus_find_cat(sb, dir->i_ino, &fd);
213 if (!err)
214 err = hfsplus_cat_read_inode(inode, &fd);
215 hfs_find_exit(&fd);
216 }
217 if (err) {
218 iput(inode);
219 return ERR_PTR(err);
220 }
221 hip->rsrc_inode = dir;
222 HFSPLUS_I(dir)->rsrc_inode = inode;
223 igrab(dir);
224
225 /*
226 * __mark_inode_dirty expects inodes to be hashed. Since we don't
227 * want resource fork inodes in the regular inode space, we make them
228 * appear hashed, but do not put on any lists. hlist_del()
229 * will work fine and require no locking.
230 */
231 hlist_add_fake(&inode->i_hash);
232
233 mark_inode_dirty(inode);
234 out:
235 d_add(dentry, inode);
236 return NULL;
237 }
238
239 static void hfsplus_get_perms(struct inode *inode,
240 struct hfsplus_perm *perms, int dir)
241 {
242 struct hfsplus_sb_info *sbi = HFSPLUS_SB(inode->i_sb);
243 u16 mode;
244
245 mode = be16_to_cpu(perms->mode);
246
247 i_uid_write(inode, be32_to_cpu(perms->owner));
248 if (!i_uid_read(inode) && !mode)
249 inode->i_uid = sbi->uid;
250
251 i_gid_write(inode, be32_to_cpu(perms->group));
252 if (!i_gid_read(inode) && !mode)
253 inode->i_gid = sbi->gid;
254
255 if (dir) {
256 mode = mode ? (mode & S_IALLUGO) : (S_IRWXUGO & ~(sbi->umask));
257 mode |= S_IFDIR;
258 } else if (!mode)
259 mode = S_IFREG | ((S_IRUGO|S_IWUGO) & ~(sbi->umask));
260 inode->i_mode = mode;
261
262 HFSPLUS_I(inode)->userflags = perms->userflags;
263 if (perms->rootflags & HFSPLUS_FLG_IMMUTABLE)
264 inode->i_flags |= S_IMMUTABLE;
265 else
266 inode->i_flags &= ~S_IMMUTABLE;
267 if (perms->rootflags & HFSPLUS_FLG_APPEND)
268 inode->i_flags |= S_APPEND;
269 else
270 inode->i_flags &= ~S_APPEND;
271 }
272
273 static int hfsplus_file_open(struct inode *inode, struct file *file)
274 {
275 if (HFSPLUS_IS_RSRC(inode))
276 inode = HFSPLUS_I(inode)->rsrc_inode;
277 if (!(file->f_flags & O_LARGEFILE) && i_size_read(inode) > MAX_NON_LFS)
278 return -EOVERFLOW;
279 atomic_inc(&HFSPLUS_I(inode)->opencnt);
280 return 0;
281 }
282
283 static int hfsplus_file_release(struct inode *inode, struct file *file)
284 {
285 struct super_block *sb = inode->i_sb;
286
287 if (HFSPLUS_IS_RSRC(inode))
288 inode = HFSPLUS_I(inode)->rsrc_inode;
289 if (atomic_dec_and_test(&HFSPLUS_I(inode)->opencnt)) {
290 mutex_lock(&inode->i_mutex);
291 hfsplus_file_truncate(inode);
292 if (inode->i_flags & S_DEAD) {
293 hfsplus_delete_cat(inode->i_ino,
294 HFSPLUS_SB(sb)->hidden_dir, NULL);
295 hfsplus_delete_inode(inode);
296 }
297 mutex_unlock(&inode->i_mutex);
298 }
299 return 0;
300 }
301
302 static int hfsplus_setattr(struct dentry *dentry, struct iattr *attr)
303 {
304 struct inode *inode = dentry->d_inode;
305 int error;
306
307 error = inode_change_ok(inode, attr);
308 if (error)
309 return error;
310
311 if ((attr->ia_valid & ATTR_SIZE) &&
312 attr->ia_size != i_size_read(inode)) {
313 inode_dio_wait(inode);
314 truncate_setsize(inode, attr->ia_size);
315 hfsplus_file_truncate(inode);
316 }
317
318 setattr_copy(inode, attr);
319 mark_inode_dirty(inode);
320
321 if (attr->ia_valid & ATTR_MODE) {
322 error = hfsplus_posix_acl_chmod(inode);
323 if (unlikely(error))
324 return error;
325 }
326
327 return 0;
328 }
329
330 int hfsplus_file_fsync(struct file *file, loff_t start, loff_t end,
331 int datasync)
332 {
333 struct inode *inode = file->f_mapping->host;
334 struct hfsplus_inode_info *hip = HFSPLUS_I(inode);
335 struct hfsplus_sb_info *sbi = HFSPLUS_SB(inode->i_sb);
336 int error = 0, error2;
337
338 error = filemap_write_and_wait_range(inode->i_mapping, start, end);
339 if (error)
340 return error;
341 mutex_lock(&inode->i_mutex);
342
343 /*
344 * Sync inode metadata into the catalog and extent trees.
345 */
346 sync_inode_metadata(inode, 1);
347
348 /*
349 * And explicitly write out the btrees.
350 */
351 if (test_and_clear_bit(HFSPLUS_I_CAT_DIRTY, &hip->flags))
352 error = filemap_write_and_wait(sbi->cat_tree->inode->i_mapping);
353
354 if (test_and_clear_bit(HFSPLUS_I_EXT_DIRTY, &hip->flags)) {
355 error2 =
356 filemap_write_and_wait(sbi->ext_tree->inode->i_mapping);
357 if (!error)
358 error = error2;
359 }
360
361 if (test_and_clear_bit(HFSPLUS_I_ATTR_DIRTY, &hip->flags)) {
362 if (sbi->attr_tree) {
363 error2 =
364 filemap_write_and_wait(
365 sbi->attr_tree->inode->i_mapping);
366 if (!error)
367 error = error2;
368 } else {
369 pr_err("sync non-existent attributes tree\n");
370 }
371 }
372
373 if (test_and_clear_bit(HFSPLUS_I_ALLOC_DIRTY, &hip->flags)) {
374 error2 = filemap_write_and_wait(sbi->alloc_file->i_mapping);
375 if (!error)
376 error = error2;
377 }
378
379 if (!test_bit(HFSPLUS_SB_NOBARRIER, &sbi->flags))
380 blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL);
381
382 mutex_unlock(&inode->i_mutex);
383
384 return error;
385 }
386
387 static const struct inode_operations hfsplus_file_inode_operations = {
388 .lookup = hfsplus_file_lookup,
389 .setattr = hfsplus_setattr,
390 .setxattr = generic_setxattr,
391 .getxattr = generic_getxattr,
392 .listxattr = hfsplus_listxattr,
393 .removexattr = hfsplus_removexattr,
394 #ifdef CONFIG_HFSPLUS_FS_POSIX_ACL
395 .get_acl = hfsplus_get_posix_acl,
396 #endif
397 };
398
399 static const struct file_operations hfsplus_file_operations = {
400 .llseek = generic_file_llseek,
401 .read = do_sync_read,
402 .aio_read = generic_file_aio_read,
403 .write = do_sync_write,
404 .aio_write = generic_file_aio_write,
405 .mmap = generic_file_mmap,
406 .splice_read = generic_file_splice_read,
407 .fsync = hfsplus_file_fsync,
408 .open = hfsplus_file_open,
409 .release = hfsplus_file_release,
410 .unlocked_ioctl = hfsplus_ioctl,
411 };
412
413 struct inode *hfsplus_new_inode(struct super_block *sb, umode_t mode)
414 {
415 struct hfsplus_sb_info *sbi = HFSPLUS_SB(sb);
416 struct inode *inode = new_inode(sb);
417 struct hfsplus_inode_info *hip;
418
419 if (!inode)
420 return NULL;
421
422 inode->i_ino = sbi->next_cnid++;
423 inode->i_mode = mode;
424 inode->i_uid = current_fsuid();
425 inode->i_gid = current_fsgid();
426 set_nlink(inode, 1);
427 inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC;
428
429 hip = HFSPLUS_I(inode);
430 INIT_LIST_HEAD(&hip->open_dir_list);
431 mutex_init(&hip->extents_lock);
432 atomic_set(&hip->opencnt, 0);
433 hip->extent_state = 0;
434 hip->flags = 0;
435 hip->userflags = 0;
436 memset(hip->first_extents, 0, sizeof(hfsplus_extent_rec));
437 memset(hip->cached_extents, 0, sizeof(hfsplus_extent_rec));
438 hip->alloc_blocks = 0;
439 hip->first_blocks = 0;
440 hip->cached_start = 0;
441 hip->cached_blocks = 0;
442 hip->phys_size = 0;
443 hip->fs_blocks = 0;
444 hip->rsrc_inode = NULL;
445 if (S_ISDIR(inode->i_mode)) {
446 inode->i_size = 2;
447 sbi->folder_count++;
448 inode->i_op = &hfsplus_dir_inode_operations;
449 inode->i_fop = &hfsplus_dir_operations;
450 } else if (S_ISREG(inode->i_mode)) {
451 sbi->file_count++;
452 inode->i_op = &hfsplus_file_inode_operations;
453 inode->i_fop = &hfsplus_file_operations;
454 inode->i_mapping->a_ops = &hfsplus_aops;
455 hip->clump_blocks = sbi->data_clump_blocks;
456 } else if (S_ISLNK(inode->i_mode)) {
457 sbi->file_count++;
458 inode->i_op = &page_symlink_inode_operations;
459 inode->i_mapping->a_ops = &hfsplus_aops;
460 hip->clump_blocks = 1;
461 } else
462 sbi->file_count++;
463 insert_inode_hash(inode);
464 mark_inode_dirty(inode);
465 hfsplus_mark_mdb_dirty(sb);
466
467 return inode;
468 }
469
470 void hfsplus_delete_inode(struct inode *inode)
471 {
472 struct super_block *sb = inode->i_sb;
473
474 if (S_ISDIR(inode->i_mode)) {
475 HFSPLUS_SB(sb)->folder_count--;
476 hfsplus_mark_mdb_dirty(sb);
477 return;
478 }
479 HFSPLUS_SB(sb)->file_count--;
480 if (S_ISREG(inode->i_mode)) {
481 if (!inode->i_nlink) {
482 inode->i_size = 0;
483 hfsplus_file_truncate(inode);
484 }
485 } else if (S_ISLNK(inode->i_mode)) {
486 inode->i_size = 0;
487 hfsplus_file_truncate(inode);
488 }
489 hfsplus_mark_mdb_dirty(sb);
490 }
491
492 void hfsplus_inode_read_fork(struct inode *inode, struct hfsplus_fork_raw *fork)
493 {
494 struct super_block *sb = inode->i_sb;
495 struct hfsplus_sb_info *sbi = HFSPLUS_SB(sb);
496 struct hfsplus_inode_info *hip = HFSPLUS_I(inode);
497 u32 count;
498 int i;
499
500 memcpy(&hip->first_extents, &fork->extents, sizeof(hfsplus_extent_rec));
501 for (count = 0, i = 0; i < 8; i++)
502 count += be32_to_cpu(fork->extents[i].block_count);
503 hip->first_blocks = count;
504 memset(hip->cached_extents, 0, sizeof(hfsplus_extent_rec));
505 hip->cached_start = 0;
506 hip->cached_blocks = 0;
507
508 hip->alloc_blocks = be32_to_cpu(fork->total_blocks);
509 hip->phys_size = inode->i_size = be64_to_cpu(fork->total_size);
510 hip->fs_blocks =
511 (inode->i_size + sb->s_blocksize - 1) >> sb->s_blocksize_bits;
512 inode_set_bytes(inode, hip->fs_blocks << sb->s_blocksize_bits);
513 hip->clump_blocks =
514 be32_to_cpu(fork->clump_size) >> sbi->alloc_blksz_shift;
515 if (!hip->clump_blocks) {
516 hip->clump_blocks = HFSPLUS_IS_RSRC(inode) ?
517 sbi->rsrc_clump_blocks :
518 sbi->data_clump_blocks;
519 }
520 }
521
522 void hfsplus_inode_write_fork(struct inode *inode,
523 struct hfsplus_fork_raw *fork)
524 {
525 memcpy(&fork->extents, &HFSPLUS_I(inode)->first_extents,
526 sizeof(hfsplus_extent_rec));
527 fork->total_size = cpu_to_be64(inode->i_size);
528 fork->total_blocks = cpu_to_be32(HFSPLUS_I(inode)->alloc_blocks);
529 }
530
531 int hfsplus_cat_read_inode(struct inode *inode, struct hfs_find_data *fd)
532 {
533 hfsplus_cat_entry entry;
534 int res = 0;
535 u16 type;
536
537 type = hfs_bnode_read_u16(fd->bnode, fd->entryoffset);
538
539 HFSPLUS_I(inode)->linkid = 0;
540 if (type == HFSPLUS_FOLDER) {
541 struct hfsplus_cat_folder *folder = &entry.folder;
542
543 if (fd->entrylength < sizeof(struct hfsplus_cat_folder))
544 /* panic? */;
545 hfs_bnode_read(fd->bnode, &entry, fd->entryoffset,
546 sizeof(struct hfsplus_cat_folder));
547 hfsplus_get_perms(inode, &folder->permissions, 1);
548 set_nlink(inode, 1);
549 inode->i_size = 2 + be32_to_cpu(folder->valence);
550 inode->i_atime = hfsp_mt2ut(folder->access_date);
551 inode->i_mtime = hfsp_mt2ut(folder->content_mod_date);
552 inode->i_ctime = hfsp_mt2ut(folder->attribute_mod_date);
553 HFSPLUS_I(inode)->create_date = folder->create_date;
554 HFSPLUS_I(inode)->fs_blocks = 0;
555 inode->i_op = &hfsplus_dir_inode_operations;
556 inode->i_fop = &hfsplus_dir_operations;
557 } else if (type == HFSPLUS_FILE) {
558 struct hfsplus_cat_file *file = &entry.file;
559
560 if (fd->entrylength < sizeof(struct hfsplus_cat_file))
561 /* panic? */;
562 hfs_bnode_read(fd->bnode, &entry, fd->entryoffset,
563 sizeof(struct hfsplus_cat_file));
564
565 hfsplus_inode_read_fork(inode, HFSPLUS_IS_RSRC(inode) ?
566 &file->rsrc_fork : &file->data_fork);
567 hfsplus_get_perms(inode, &file->permissions, 0);
568 set_nlink(inode, 1);
569 if (S_ISREG(inode->i_mode)) {
570 if (file->permissions.dev)
571 set_nlink(inode,
572 be32_to_cpu(file->permissions.dev));
573 inode->i_op = &hfsplus_file_inode_operations;
574 inode->i_fop = &hfsplus_file_operations;
575 inode->i_mapping->a_ops = &hfsplus_aops;
576 } else if (S_ISLNK(inode->i_mode)) {
577 inode->i_op = &page_symlink_inode_operations;
578 inode->i_mapping->a_ops = &hfsplus_aops;
579 } else {
580 init_special_inode(inode, inode->i_mode,
581 be32_to_cpu(file->permissions.dev));
582 }
583 inode->i_atime = hfsp_mt2ut(file->access_date);
584 inode->i_mtime = hfsp_mt2ut(file->content_mod_date);
585 inode->i_ctime = hfsp_mt2ut(file->attribute_mod_date);
586 HFSPLUS_I(inode)->create_date = file->create_date;
587 } else {
588 pr_err("bad catalog entry used to create inode\n");
589 res = -EIO;
590 }
591 return res;
592 }
593
594 int hfsplus_cat_write_inode(struct inode *inode)
595 {
596 struct inode *main_inode = inode;
597 struct hfs_find_data fd;
598 hfsplus_cat_entry entry;
599
600 if (HFSPLUS_IS_RSRC(inode))
601 main_inode = HFSPLUS_I(inode)->rsrc_inode;
602
603 if (!main_inode->i_nlink)
604 return 0;
605
606 if (hfs_find_init(HFSPLUS_SB(main_inode->i_sb)->cat_tree, &fd))
607 /* panic? */
608 return -EIO;
609
610 if (hfsplus_find_cat(main_inode->i_sb, main_inode->i_ino, &fd))
611 /* panic? */
612 goto out;
613
614 if (S_ISDIR(main_inode->i_mode)) {
615 struct hfsplus_cat_folder *folder = &entry.folder;
616
617 if (fd.entrylength < sizeof(struct hfsplus_cat_folder))
618 /* panic? */;
619 hfs_bnode_read(fd.bnode, &entry, fd.entryoffset,
620 sizeof(struct hfsplus_cat_folder));
621 /* simple node checks? */
622 hfsplus_cat_set_perms(inode, &folder->permissions);
623 folder->access_date = hfsp_ut2mt(inode->i_atime);
624 folder->content_mod_date = hfsp_ut2mt(inode->i_mtime);
625 folder->attribute_mod_date = hfsp_ut2mt(inode->i_ctime);
626 folder->valence = cpu_to_be32(inode->i_size - 2);
627 hfs_bnode_write(fd.bnode, &entry, fd.entryoffset,
628 sizeof(struct hfsplus_cat_folder));
629 } else if (HFSPLUS_IS_RSRC(inode)) {
630 struct hfsplus_cat_file *file = &entry.file;
631 hfs_bnode_read(fd.bnode, &entry, fd.entryoffset,
632 sizeof(struct hfsplus_cat_file));
633 hfsplus_inode_write_fork(inode, &file->rsrc_fork);
634 hfs_bnode_write(fd.bnode, &entry, fd.entryoffset,
635 sizeof(struct hfsplus_cat_file));
636 } else {
637 struct hfsplus_cat_file *file = &entry.file;
638
639 if (fd.entrylength < sizeof(struct hfsplus_cat_file))
640 /* panic? */;
641 hfs_bnode_read(fd.bnode, &entry, fd.entryoffset,
642 sizeof(struct hfsplus_cat_file));
643 hfsplus_inode_write_fork(inode, &file->data_fork);
644 hfsplus_cat_set_perms(inode, &file->permissions);
645 if (HFSPLUS_FLG_IMMUTABLE &
646 (file->permissions.rootflags |
647 file->permissions.userflags))
648 file->flags |= cpu_to_be16(HFSPLUS_FILE_LOCKED);
649 else
650 file->flags &= cpu_to_be16(~HFSPLUS_FILE_LOCKED);
651 file->access_date = hfsp_ut2mt(inode->i_atime);
652 file->content_mod_date = hfsp_ut2mt(inode->i_mtime);
653 file->attribute_mod_date = hfsp_ut2mt(inode->i_ctime);
654 hfs_bnode_write(fd.bnode, &entry, fd.entryoffset,
655 sizeof(struct hfsplus_cat_file));
656 }
657
658 set_bit(HFSPLUS_I_CAT_DIRTY, &HFSPLUS_I(inode)->flags);
659 out:
660 hfs_find_exit(&fd);
661 return 0;
662 }
Linux with added FPC-III support