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[SCSI] Revert "[SCSI] qla2xxx: Optimize existing port name server query matching."
[linux/fpc-iii.git] / fs / hfsplus / inode.c
blob799b336b59f977ea7219b33f07f50efaff51c340
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
18 #include "hfsplus_fs.h"
19 #include "hfsplus_raw.h"
20
21 static int hfsplus_readpage(struct file *file, struct page *page)
22 {
23 return block_read_full_page(page, hfsplus_get_block);
24 }
25
26 static int hfsplus_writepage(struct page *page, struct writeback_control *wbc)
27 {
28 return block_write_full_page(page, hfsplus_get_block, wbc);
29 }
30
31 static void hfsplus_write_failed(struct address_space *mapping, loff_t to)
32 {
33 struct inode *inode = mapping->host;
34
35 if (to > inode->i_size) {
36 truncate_pagecache(inode, to, inode->i_size);
37 hfsplus_file_truncate(inode);
38 }
39 }
40
41 static int hfsplus_write_begin(struct file *file, struct address_space *mapping,
42 loff_t pos, unsigned len, unsigned flags,
43 struct page **pagep, void **fsdata)
44 {
45 int ret;
46
47 *pagep = NULL;
48 ret = cont_write_begin(file, mapping, pos, len, flags, pagep, fsdata,
49 hfsplus_get_block,
50 &HFSPLUS_I(mapping->host)->phys_size);
51 if (unlikely(ret))
52 hfsplus_write_failed(mapping, pos + len);
53
54 return ret;
55 }
56
57 static sector_t hfsplus_bmap(struct address_space *mapping, sector_t block)
58 {
59 return generic_block_bmap(mapping, block, hfsplus_get_block);
60 }
61
62 static int hfsplus_releasepage(struct page *page, gfp_t mask)
63 {
64 struct inode *inode = page->mapping->host;
65 struct super_block *sb = inode->i_sb;
66 struct hfs_btree *tree;
67 struct hfs_bnode *node;
68 u32 nidx;
69 int i, res = 1;
70
71 switch (inode->i_ino) {
72 case HFSPLUS_EXT_CNID:
73 tree = HFSPLUS_SB(sb)->ext_tree;
74 break;
75 case HFSPLUS_CAT_CNID:
76 tree = HFSPLUS_SB(sb)->cat_tree;
77 break;
78 case HFSPLUS_ATTR_CNID:
79 tree = HFSPLUS_SB(sb)->attr_tree;
80 break;
81 default:
82 BUG();
83 return 0;
84 }
85 if (!tree)
86 return 0;
87 if (tree->node_size >= PAGE_CACHE_SIZE) {
88 nidx = page->index >>
89 (tree->node_size_shift - PAGE_CACHE_SHIFT);
90 spin_lock(&tree->hash_lock);
91 node = hfs_bnode_findhash(tree, nidx);
92 if (!node)
93 ;
94 else if (atomic_read(&node->refcnt))
95 res = 0;
96 if (res && node) {
97 hfs_bnode_unhash(node);
98 hfs_bnode_free(node);
99 }
100 spin_unlock(&tree->hash_lock);
101 } else {
102 nidx = page->index <<
103 (PAGE_CACHE_SHIFT - tree->node_size_shift);
104 i = 1 << (PAGE_CACHE_SHIFT - tree->node_size_shift);
105 spin_lock(&tree->hash_lock);
106 do {
107 node = hfs_bnode_findhash(tree, nidx++);
108 if (!node)
109 continue;
110 if (atomic_read(&node->refcnt)) {
111 res = 0;
112 break;
113 }
114 hfs_bnode_unhash(node);
115 hfs_bnode_free(node);
116 } while (--i && nidx < tree->node_count);
117 spin_unlock(&tree->hash_lock);
118 }
119 return res ? try_to_free_buffers(page) : 0;
120 }
121
122 static ssize_t hfsplus_direct_IO(int rw, struct kiocb *iocb,
123 const struct iovec *iov, loff_t offset, unsigned long nr_segs)
124 {
125 struct file *file = iocb->ki_filp;
126 struct address_space *mapping = file->f_mapping;
127 struct inode *inode = file->f_path.dentry->d_inode->i_mapping->host;
128 ssize_t ret;
129
130 ret = blockdev_direct_IO(rw, iocb, inode, iov, offset, nr_segs,
131 hfsplus_get_block);
132
133 /*
134 * In case of error extending write may have instantiated a few
135 * blocks outside i_size. Trim these off again.
136 */
137 if (unlikely((rw & WRITE) && ret < 0)) {
138 loff_t isize = i_size_read(inode);
139 loff_t end = offset + iov_length(iov, nr_segs);
140
141 if (end > isize)
142 hfsplus_write_failed(mapping, end);
143 }
144
145 return ret;
146 }
147
148 static int hfsplus_writepages(struct address_space *mapping,
149 struct writeback_control *wbc)
150 {
151 return mpage_writepages(mapping, wbc, hfsplus_get_block);
152 }
153
154 const struct address_space_operations hfsplus_btree_aops = {
155 .readpage = hfsplus_readpage,
156 .writepage = hfsplus_writepage,
157 .write_begin = hfsplus_write_begin,
158 .write_end = generic_write_end,
159 .bmap = hfsplus_bmap,
160 .releasepage = hfsplus_releasepage,
161 };
162
163 const struct address_space_operations hfsplus_aops = {
164 .readpage = hfsplus_readpage,
165 .writepage = hfsplus_writepage,
166 .write_begin = hfsplus_write_begin,
167 .write_end = generic_write_end,
168 .bmap = hfsplus_bmap,
169 .direct_IO = hfsplus_direct_IO,
170 .writepages = hfsplus_writepages,
171 };
172
173 const struct dentry_operations hfsplus_dentry_operations = {
174 .d_hash = hfsplus_hash_dentry,
175 .d_compare = hfsplus_compare_dentry,
176 };
177
178 static struct dentry *hfsplus_file_lookup(struct inode *dir,
179 struct dentry *dentry, unsigned int flags)
180 {
181 struct hfs_find_data fd;
182 struct super_block *sb = dir->i_sb;
183 struct inode *inode = NULL;
184 struct hfsplus_inode_info *hip;
185 int err;
186
187 if (HFSPLUS_IS_RSRC(dir) || strcmp(dentry->d_name.name, "rsrc"))
188 goto out;
189
190 inode = HFSPLUS_I(dir)->rsrc_inode;
191 if (inode)
192 goto out;
193
194 inode = new_inode(sb);
195 if (!inode)
196 return ERR_PTR(-ENOMEM);
197
198 hip = HFSPLUS_I(inode);
199 inode->i_ino = dir->i_ino;
200 INIT_LIST_HEAD(&hip->open_dir_list);
201 mutex_init(&hip->extents_lock);
202 hip->extent_state = 0;
203 hip->flags = 0;
204 hip->userflags = 0;
205 set_bit(HFSPLUS_I_RSRC, &hip->flags);
206
207 err = hfs_find_init(HFSPLUS_SB(sb)->cat_tree, &fd);
208 if (!err) {
209 err = hfsplus_find_cat(sb, dir->i_ino, &fd);
210 if (!err)
211 err = hfsplus_cat_read_inode(inode, &fd);
212 hfs_find_exit(&fd);
213 }
214 if (err) {
215 iput(inode);
216 return ERR_PTR(err);
217 }
218 hip->rsrc_inode = dir;
219 HFSPLUS_I(dir)->rsrc_inode = inode;
220 igrab(dir);
221
222 /*
223 * __mark_inode_dirty expects inodes to be hashed. Since we don't
224 * want resource fork inodes in the regular inode space, we make them
225 * appear hashed, but do not put on any lists. hlist_del()
226 * will work fine and require no locking.
227 */
228 hlist_add_fake(&inode->i_hash);
229
230 mark_inode_dirty(inode);
231 out:
232 d_add(dentry, inode);
233 return NULL;
234 }
235
236 static void hfsplus_get_perms(struct inode *inode,
237 struct hfsplus_perm *perms, int dir)
238 {
239 struct hfsplus_sb_info *sbi = HFSPLUS_SB(inode->i_sb);
240 u16 mode;
241
242 mode = be16_to_cpu(perms->mode);
243
244 i_uid_write(inode, be32_to_cpu(perms->owner));
245 if (!i_uid_read(inode) && !mode)
246 inode->i_uid = sbi->uid;
247
248 i_gid_write(inode, be32_to_cpu(perms->group));
249 if (!i_gid_read(inode) && !mode)
250 inode->i_gid = sbi->gid;
251
252 if (dir) {
253 mode = mode ? (mode & S_IALLUGO) : (S_IRWXUGO & ~(sbi->umask));
254 mode |= S_IFDIR;
255 } else if (!mode)
256 mode = S_IFREG | ((S_IRUGO|S_IWUGO) & ~(sbi->umask));
257 inode->i_mode = mode;
258
259 HFSPLUS_I(inode)->userflags = perms->userflags;
260 if (perms->rootflags & HFSPLUS_FLG_IMMUTABLE)
261 inode->i_flags |= S_IMMUTABLE;
262 else
263 inode->i_flags &= ~S_IMMUTABLE;
264 if (perms->rootflags & HFSPLUS_FLG_APPEND)
265 inode->i_flags |= S_APPEND;
266 else
267 inode->i_flags &= ~S_APPEND;
268 }
269
270 static int hfsplus_file_open(struct inode *inode, struct file *file)
271 {
272 if (HFSPLUS_IS_RSRC(inode))
273 inode = HFSPLUS_I(inode)->rsrc_inode;
274 if (!(file->f_flags & O_LARGEFILE) && i_size_read(inode) > MAX_NON_LFS)
275 return -EOVERFLOW;
276 atomic_inc(&HFSPLUS_I(inode)->opencnt);
277 return 0;
278 }
279
280 static int hfsplus_file_release(struct inode *inode, struct file *file)
281 {
282 struct super_block *sb = inode->i_sb;
283
284 if (HFSPLUS_IS_RSRC(inode))
285 inode = HFSPLUS_I(inode)->rsrc_inode;
286 if (atomic_dec_and_test(&HFSPLUS_I(inode)->opencnt)) {
287 mutex_lock(&inode->i_mutex);
288 hfsplus_file_truncate(inode);
289 if (inode->i_flags & S_DEAD) {
290 hfsplus_delete_cat(inode->i_ino,
291 HFSPLUS_SB(sb)->hidden_dir, NULL);
292 hfsplus_delete_inode(inode);
293 }
294 mutex_unlock(&inode->i_mutex);
295 }
296 return 0;
297 }
298
299 static int hfsplus_setattr(struct dentry *dentry, struct iattr *attr)
300 {
301 struct inode *inode = dentry->d_inode;
302 int error;
303
304 error = inode_change_ok(inode, attr);
305 if (error)
306 return error;
307
308 if ((attr->ia_valid & ATTR_SIZE) &&
309 attr->ia_size != i_size_read(inode)) {
310 inode_dio_wait(inode);
311 truncate_setsize(inode, attr->ia_size);
312 hfsplus_file_truncate(inode);
313 }
314
315 setattr_copy(inode, attr);
316 mark_inode_dirty(inode);
317 return 0;
318 }
319
320 int hfsplus_file_fsync(struct file *file, loff_t start, loff_t end,
321 int datasync)
322 {
323 struct inode *inode = file->f_mapping->host;
324 struct hfsplus_inode_info *hip = HFSPLUS_I(inode);
325 struct hfsplus_sb_info *sbi = HFSPLUS_SB(inode->i_sb);
326 int error = 0, error2;
327
328 error = filemap_write_and_wait_range(inode->i_mapping, start, end);
329 if (error)
330 return error;
331 mutex_lock(&inode->i_mutex);
332
333 /*
334 * Sync inode metadata into the catalog and extent trees.
335 */
336 sync_inode_metadata(inode, 1);
337
338 /*
339 * And explicitly write out the btrees.
340 */
341 if (test_and_clear_bit(HFSPLUS_I_CAT_DIRTY, &hip->flags))
342 error = filemap_write_and_wait(sbi->cat_tree->inode->i_mapping);
343
344 if (test_and_clear_bit(HFSPLUS_I_EXT_DIRTY, &hip->flags)) {
345 error2 =
346 filemap_write_and_wait(sbi->ext_tree->inode->i_mapping);
347 if (!error)
348 error = error2;
349 }
350
351 if (test_and_clear_bit(HFSPLUS_I_ALLOC_DIRTY, &hip->flags)) {
352 error2 = filemap_write_and_wait(sbi->alloc_file->i_mapping);
353 if (!error)
354 error = error2;
355 }
356
357 if (!test_bit(HFSPLUS_SB_NOBARRIER, &sbi->flags))
358 blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL);
359
360 mutex_unlock(&inode->i_mutex);
361
362 return error;
363 }
364
365 static const struct inode_operations hfsplus_file_inode_operations = {
366 .lookup = hfsplus_file_lookup,
367 .setattr = hfsplus_setattr,
368 .setxattr = hfsplus_setxattr,
369 .getxattr = hfsplus_getxattr,
370 .listxattr = hfsplus_listxattr,
371 };
372
373 static const struct file_operations hfsplus_file_operations = {
374 .llseek = generic_file_llseek,
375 .read = do_sync_read,
376 .aio_read = generic_file_aio_read,
377 .write = do_sync_write,
378 .aio_write = generic_file_aio_write,
379 .mmap = generic_file_mmap,
380 .splice_read = generic_file_splice_read,
381 .fsync = hfsplus_file_fsync,
382 .open = hfsplus_file_open,
383 .release = hfsplus_file_release,
384 .unlocked_ioctl = hfsplus_ioctl,
385 };
386
387 struct inode *hfsplus_new_inode(struct super_block *sb, umode_t mode)
388 {
389 struct hfsplus_sb_info *sbi = HFSPLUS_SB(sb);
390 struct inode *inode = new_inode(sb);
391 struct hfsplus_inode_info *hip;
392
393 if (!inode)
394 return NULL;
395
396 inode->i_ino = sbi->next_cnid++;
397 inode->i_mode = mode;
398 inode->i_uid = current_fsuid();
399 inode->i_gid = current_fsgid();
400 set_nlink(inode, 1);
401 inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC;
402
403 hip = HFSPLUS_I(inode);
404 INIT_LIST_HEAD(&hip->open_dir_list);
405 mutex_init(&hip->extents_lock);
406 atomic_set(&hip->opencnt, 0);
407 hip->extent_state = 0;
408 hip->flags = 0;
409 hip->userflags = 0;
410 memset(hip->first_extents, 0, sizeof(hfsplus_extent_rec));
411 memset(hip->cached_extents, 0, sizeof(hfsplus_extent_rec));
412 hip->alloc_blocks = 0;
413 hip->first_blocks = 0;
414 hip->cached_start = 0;
415 hip->cached_blocks = 0;
416 hip->phys_size = 0;
417 hip->fs_blocks = 0;
418 hip->rsrc_inode = NULL;
419 if (S_ISDIR(inode->i_mode)) {
420 inode->i_size = 2;
421 sbi->folder_count++;
422 inode->i_op = &hfsplus_dir_inode_operations;
423 inode->i_fop = &hfsplus_dir_operations;
424 } else if (S_ISREG(inode->i_mode)) {
425 sbi->file_count++;
426 inode->i_op = &hfsplus_file_inode_operations;
427 inode->i_fop = &hfsplus_file_operations;
428 inode->i_mapping->a_ops = &hfsplus_aops;
429 hip->clump_blocks = sbi->data_clump_blocks;
430 } else if (S_ISLNK(inode->i_mode)) {
431 sbi->file_count++;
432 inode->i_op = &page_symlink_inode_operations;
433 inode->i_mapping->a_ops = &hfsplus_aops;
434 hip->clump_blocks = 1;
435 } else
436 sbi->file_count++;
437 insert_inode_hash(inode);
438 mark_inode_dirty(inode);
439 hfsplus_mark_mdb_dirty(sb);
440
441 return inode;
442 }
443
444 void hfsplus_delete_inode(struct inode *inode)
445 {
446 struct super_block *sb = inode->i_sb;
447
448 if (S_ISDIR(inode->i_mode)) {
449 HFSPLUS_SB(sb)->folder_count--;
450 hfsplus_mark_mdb_dirty(sb);
451 return;
452 }
453 HFSPLUS_SB(sb)->file_count--;
454 if (S_ISREG(inode->i_mode)) {
455 if (!inode->i_nlink) {
456 inode->i_size = 0;
457 hfsplus_file_truncate(inode);
458 }
459 } else if (S_ISLNK(inode->i_mode)) {
460 inode->i_size = 0;
461 hfsplus_file_truncate(inode);
462 }
463 hfsplus_mark_mdb_dirty(sb);
464 }
465
466 void hfsplus_inode_read_fork(struct inode *inode, struct hfsplus_fork_raw *fork)
467 {
468 struct super_block *sb = inode->i_sb;
469 struct hfsplus_sb_info *sbi = HFSPLUS_SB(sb);
470 struct hfsplus_inode_info *hip = HFSPLUS_I(inode);
471 u32 count;
472 int i;
473
474 memcpy(&hip->first_extents, &fork->extents, sizeof(hfsplus_extent_rec));
475 for (count = 0, i = 0; i < 8; i++)
476 count += be32_to_cpu(fork->extents[i].block_count);
477 hip->first_blocks = count;
478 memset(hip->cached_extents, 0, sizeof(hfsplus_extent_rec));
479 hip->cached_start = 0;
480 hip->cached_blocks = 0;
481
482 hip->alloc_blocks = be32_to_cpu(fork->total_blocks);
483 hip->phys_size = inode->i_size = be64_to_cpu(fork->total_size);
484 hip->fs_blocks =
485 (inode->i_size + sb->s_blocksize - 1) >> sb->s_blocksize_bits;
486 inode_set_bytes(inode, hip->fs_blocks << sb->s_blocksize_bits);
487 hip->clump_blocks =
488 be32_to_cpu(fork->clump_size) >> sbi->alloc_blksz_shift;
489 if (!hip->clump_blocks) {
490 hip->clump_blocks = HFSPLUS_IS_RSRC(inode) ?
491 sbi->rsrc_clump_blocks :
492 sbi->data_clump_blocks;
493 }
494 }
495
496 void hfsplus_inode_write_fork(struct inode *inode,
497 struct hfsplus_fork_raw *fork)
498 {
499 memcpy(&fork->extents, &HFSPLUS_I(inode)->first_extents,
500 sizeof(hfsplus_extent_rec));
501 fork->total_size = cpu_to_be64(inode->i_size);
502 fork->total_blocks = cpu_to_be32(HFSPLUS_I(inode)->alloc_blocks);
503 }
504
505 int hfsplus_cat_read_inode(struct inode *inode, struct hfs_find_data *fd)
506 {
507 hfsplus_cat_entry entry;
508 int res = 0;
509 u16 type;
510
511 type = hfs_bnode_read_u16(fd->bnode, fd->entryoffset);
512
513 HFSPLUS_I(inode)->linkid = 0;
514 if (type == HFSPLUS_FOLDER) {
515 struct hfsplus_cat_folder *folder = &entry.folder;
516
517 if (fd->entrylength < sizeof(struct hfsplus_cat_folder))
518 /* panic? */;
519 hfs_bnode_read(fd->bnode, &entry, fd->entryoffset,
520 sizeof(struct hfsplus_cat_folder));
521 hfsplus_get_perms(inode, &folder->permissions, 1);
522 set_nlink(inode, 1);
523 inode->i_size = 2 + be32_to_cpu(folder->valence);
524 inode->i_atime = hfsp_mt2ut(folder->access_date);
525 inode->i_mtime = hfsp_mt2ut(folder->content_mod_date);
526 inode->i_ctime = hfsp_mt2ut(folder->attribute_mod_date);
527 HFSPLUS_I(inode)->create_date = folder->create_date;
528 HFSPLUS_I(inode)->fs_blocks = 0;
529 inode->i_op = &hfsplus_dir_inode_operations;
530 inode->i_fop = &hfsplus_dir_operations;
531 } else if (type == HFSPLUS_FILE) {
532 struct hfsplus_cat_file *file = &entry.file;
533
534 if (fd->entrylength < sizeof(struct hfsplus_cat_file))
535 /* panic? */;
536 hfs_bnode_read(fd->bnode, &entry, fd->entryoffset,
537 sizeof(struct hfsplus_cat_file));
538
539 hfsplus_inode_read_fork(inode, HFSPLUS_IS_RSRC(inode) ?
540 &file->rsrc_fork : &file->data_fork);
541 hfsplus_get_perms(inode, &file->permissions, 0);
542 set_nlink(inode, 1);
543 if (S_ISREG(inode->i_mode)) {
544 if (file->permissions.dev)
545 set_nlink(inode,
546 be32_to_cpu(file->permissions.dev));
547 inode->i_op = &hfsplus_file_inode_operations;
548 inode->i_fop = &hfsplus_file_operations;
549 inode->i_mapping->a_ops = &hfsplus_aops;
550 } else if (S_ISLNK(inode->i_mode)) {
551 inode->i_op = &page_symlink_inode_operations;
552 inode->i_mapping->a_ops = &hfsplus_aops;
553 } else {
554 init_special_inode(inode, inode->i_mode,
555 be32_to_cpu(file->permissions.dev));
556 }
557 inode->i_atime = hfsp_mt2ut(file->access_date);
558 inode->i_mtime = hfsp_mt2ut(file->content_mod_date);
559 inode->i_ctime = hfsp_mt2ut(file->attribute_mod_date);
560 HFSPLUS_I(inode)->create_date = file->create_date;
561 } else {
562 printk(KERN_ERR "hfs: bad catalog entry used to create inode\n");
563 res = -EIO;
564 }
565 return res;
566 }
567
568 int hfsplus_cat_write_inode(struct inode *inode)
569 {
570 struct inode *main_inode = inode;
571 struct hfs_find_data fd;
572 hfsplus_cat_entry entry;
573
574 if (HFSPLUS_IS_RSRC(inode))
575 main_inode = HFSPLUS_I(inode)->rsrc_inode;
576
577 if (!main_inode->i_nlink)
578 return 0;
579
580 if (hfs_find_init(HFSPLUS_SB(main_inode->i_sb)->cat_tree, &fd))
581 /* panic? */
582 return -EIO;
583
584 if (hfsplus_find_cat(main_inode->i_sb, main_inode->i_ino, &fd))
585 /* panic? */
586 goto out;
587
588 if (S_ISDIR(main_inode->i_mode)) {
589 struct hfsplus_cat_folder *folder = &entry.folder;
590
591 if (fd.entrylength < sizeof(struct hfsplus_cat_folder))
592 /* panic? */;
593 hfs_bnode_read(fd.bnode, &entry, fd.entryoffset,
594 sizeof(struct hfsplus_cat_folder));
595 /* simple node checks? */
596 hfsplus_cat_set_perms(inode, &folder->permissions);
597 folder->access_date = hfsp_ut2mt(inode->i_atime);
598 folder->content_mod_date = hfsp_ut2mt(inode->i_mtime);
599 folder->attribute_mod_date = hfsp_ut2mt(inode->i_ctime);
600 folder->valence = cpu_to_be32(inode->i_size - 2);
601 hfs_bnode_write(fd.bnode, &entry, fd.entryoffset,
602 sizeof(struct hfsplus_cat_folder));
603 } else if (HFSPLUS_IS_RSRC(inode)) {
604 struct hfsplus_cat_file *file = &entry.file;
605 hfs_bnode_read(fd.bnode, &entry, fd.entryoffset,
606 sizeof(struct hfsplus_cat_file));
607 hfsplus_inode_write_fork(inode, &file->rsrc_fork);
608 hfs_bnode_write(fd.bnode, &entry, fd.entryoffset,
609 sizeof(struct hfsplus_cat_file));
610 } else {
611 struct hfsplus_cat_file *file = &entry.file;
612
613 if (fd.entrylength < sizeof(struct hfsplus_cat_file))
614 /* panic? */;
615 hfs_bnode_read(fd.bnode, &entry, fd.entryoffset,
616 sizeof(struct hfsplus_cat_file));
617 hfsplus_inode_write_fork(inode, &file->data_fork);
618 hfsplus_cat_set_perms(inode, &file->permissions);
619 if (HFSPLUS_FLG_IMMUTABLE &
620 (file->permissions.rootflags |
621 file->permissions.userflags))
622 file->flags |= cpu_to_be16(HFSPLUS_FILE_LOCKED);
623 else
624 file->flags &= cpu_to_be16(~HFSPLUS_FILE_LOCKED);
625 file->access_date = hfsp_ut2mt(inode->i_atime);
626 file->content_mod_date = hfsp_ut2mt(inode->i_mtime);
627 file->attribute_mod_date = hfsp_ut2mt(inode->i_ctime);
628 hfs_bnode_write(fd.bnode, &entry, fd.entryoffset,
629 sizeof(struct hfsplus_cat_file));
630 }
631
632 set_bit(HFSPLUS_I_CAT_DIRTY, &HFSPLUS_I(inode)->flags);
633 out:
634 hfs_find_exit(&fd);
635 return 0;
636 }
Linux with added FPC-III support