hfsplus: honor setgid flag on directories
[muen/linux.git] / fs / hfsplus / inode.c
1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  *  linux/fs/hfsplus/inode.c
4  *
5  * Copyright (C) 2001
6  * Brad Boyer (flar@allandria.com)
7  * (C) 2003 Ardis Technologies <roman@ardistech.com>
8  *
9  * Inode handling routines
10  */
11
12 #include <linux/blkdev.h>
13 #include <linux/mm.h>
14 #include <linux/fs.h>
15 #include <linux/pagemap.h>
16 #include <linux/mpage.h>
17 #include <linux/sched.h>
18 #include <linux/cred.h>
19 #include <linux/uio.h>
20
21 #include "hfsplus_fs.h"
22 #include "hfsplus_raw.h"
23 #include "xattr.h"
24 #include "acl.h"
25
26 static int hfsplus_readpage(struct file *file, struct page *page)
27 {
28         return block_read_full_page(page, hfsplus_get_block);
29 }
30
31 static int hfsplus_writepage(struct page *page, struct writeback_control *wbc)
32 {
33         return block_write_full_page(page, hfsplus_get_block, wbc);
34 }
35
36 static void hfsplus_write_failed(struct address_space *mapping, loff_t to)
37 {
38         struct inode *inode = mapping->host;
39
40         if (to > inode->i_size) {
41                 truncate_pagecache(inode, inode->i_size);
42                 hfsplus_file_truncate(inode);
43         }
44 }
45
46 static int hfsplus_write_begin(struct file *file, struct address_space *mapping,
47                         loff_t pos, unsigned len, unsigned flags,
48                         struct page **pagep, void **fsdata)
49 {
50         int ret;
51
52         *pagep = NULL;
53         ret = cont_write_begin(file, mapping, pos, len, flags, pagep, fsdata,
54                                 hfsplus_get_block,
55                                 &HFSPLUS_I(mapping->host)->phys_size);
56         if (unlikely(ret))
57                 hfsplus_write_failed(mapping, pos + len);
58
59         return ret;
60 }
61
62 static sector_t hfsplus_bmap(struct address_space *mapping, sector_t block)
63 {
64         return generic_block_bmap(mapping, block, hfsplus_get_block);
65 }
66
67 static int hfsplus_releasepage(struct page *page, gfp_t mask)
68 {
69         struct inode *inode = page->mapping->host;
70         struct super_block *sb = inode->i_sb;
71         struct hfs_btree *tree;
72         struct hfs_bnode *node;
73         u32 nidx;
74         int i, res = 1;
75
76         switch (inode->i_ino) {
77         case HFSPLUS_EXT_CNID:
78                 tree = HFSPLUS_SB(sb)->ext_tree;
79                 break;
80         case HFSPLUS_CAT_CNID:
81                 tree = HFSPLUS_SB(sb)->cat_tree;
82                 break;
83         case HFSPLUS_ATTR_CNID:
84                 tree = HFSPLUS_SB(sb)->attr_tree;
85                 break;
86         default:
87                 BUG();
88                 return 0;
89         }
90         if (!tree)
91                 return 0;
92         if (tree->node_size >= PAGE_SIZE) {
93                 nidx = page->index >>
94                         (tree->node_size_shift - PAGE_SHIFT);
95                 spin_lock(&tree->hash_lock);
96                 node = hfs_bnode_findhash(tree, nidx);
97                 if (!node)
98                         ;
99                 else if (atomic_read(&node->refcnt))
100                         res = 0;
101                 if (res && node) {
102                         hfs_bnode_unhash(node);
103                         hfs_bnode_free(node);
104                 }
105                 spin_unlock(&tree->hash_lock);
106         } else {
107                 nidx = page->index <<
108                         (PAGE_SHIFT - tree->node_size_shift);
109                 i = 1 << (PAGE_SHIFT - tree->node_size_shift);
110                 spin_lock(&tree->hash_lock);
111                 do {
112                         node = hfs_bnode_findhash(tree, nidx++);
113                         if (!node)
114                                 continue;
115                         if (atomic_read(&node->refcnt)) {
116                                 res = 0;
117                                 break;
118                         }
119                         hfs_bnode_unhash(node);
120                         hfs_bnode_free(node);
121                 } while (--i && nidx < tree->node_count);
122                 spin_unlock(&tree->hash_lock);
123         }
124         return res ? try_to_free_buffers(page) : 0;
125 }
126
127 static ssize_t hfsplus_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
128 {
129         struct file *file = iocb->ki_filp;
130         struct address_space *mapping = file->f_mapping;
131         struct inode *inode = mapping->host;
132         size_t count = iov_iter_count(iter);
133         ssize_t ret;
134
135         ret = blockdev_direct_IO(iocb, inode, iter, hfsplus_get_block);
136
137         /*
138          * In case of error extending write may have instantiated a few
139          * blocks outside i_size. Trim these off again.
140          */
141         if (unlikely(iov_iter_rw(iter) == WRITE && ret < 0)) {
142                 loff_t isize = i_size_read(inode);
143                 loff_t end = iocb->ki_pos + count;
144
145                 if (end > isize)
146                         hfsplus_write_failed(mapping, end);
147         }
148
149         return ret;
150 }
151
152 static int hfsplus_writepages(struct address_space *mapping,
153                               struct writeback_control *wbc)
154 {
155         return mpage_writepages(mapping, wbc, hfsplus_get_block);
156 }
157
158 const struct address_space_operations hfsplus_btree_aops = {
159         .readpage       = hfsplus_readpage,
160         .writepage      = hfsplus_writepage,
161         .write_begin    = hfsplus_write_begin,
162         .write_end      = generic_write_end,
163         .bmap           = hfsplus_bmap,
164         .releasepage    = hfsplus_releasepage,
165 };
166
167 const struct address_space_operations hfsplus_aops = {
168         .readpage       = hfsplus_readpage,
169         .writepage      = hfsplus_writepage,
170         .write_begin    = hfsplus_write_begin,
171         .write_end      = generic_write_end,
172         .bmap           = hfsplus_bmap,
173         .direct_IO      = hfsplus_direct_IO,
174         .writepages     = hfsplus_writepages,
175 };
176
177 const struct dentry_operations hfsplus_dentry_operations = {
178         .d_hash       = hfsplus_hash_dentry,
179         .d_compare    = hfsplus_compare_dentry,
180 };
181
182 static void hfsplus_get_perms(struct inode *inode,
183                 struct hfsplus_perm *perms, int dir)
184 {
185         struct hfsplus_sb_info *sbi = HFSPLUS_SB(inode->i_sb);
186         u16 mode;
187
188         mode = be16_to_cpu(perms->mode);
189
190         i_uid_write(inode, be32_to_cpu(perms->owner));
191         if (!i_uid_read(inode) && !mode)
192                 inode->i_uid = sbi->uid;
193
194         i_gid_write(inode, be32_to_cpu(perms->group));
195         if (!i_gid_read(inode) && !mode)
196                 inode->i_gid = sbi->gid;
197
198         if (dir) {
199                 mode = mode ? (mode & S_IALLUGO) : (S_IRWXUGO & ~(sbi->umask));
200                 mode |= S_IFDIR;
201         } else if (!mode)
202                 mode = S_IFREG | ((S_IRUGO|S_IWUGO) & ~(sbi->umask));
203         inode->i_mode = mode;
204
205         HFSPLUS_I(inode)->userflags = perms->userflags;
206         if (perms->rootflags & HFSPLUS_FLG_IMMUTABLE)
207                 inode->i_flags |= S_IMMUTABLE;
208         else
209                 inode->i_flags &= ~S_IMMUTABLE;
210         if (perms->rootflags & HFSPLUS_FLG_APPEND)
211                 inode->i_flags |= S_APPEND;
212         else
213                 inode->i_flags &= ~S_APPEND;
214 }
215
216 static int hfsplus_file_open(struct inode *inode, struct file *file)
217 {
218         if (HFSPLUS_IS_RSRC(inode))
219                 inode = HFSPLUS_I(inode)->rsrc_inode;
220         if (!(file->f_flags & O_LARGEFILE) && i_size_read(inode) > MAX_NON_LFS)
221                 return -EOVERFLOW;
222         atomic_inc(&HFSPLUS_I(inode)->opencnt);
223         return 0;
224 }
225
226 static int hfsplus_file_release(struct inode *inode, struct file *file)
227 {
228         struct super_block *sb = inode->i_sb;
229
230         if (HFSPLUS_IS_RSRC(inode))
231                 inode = HFSPLUS_I(inode)->rsrc_inode;
232         if (atomic_dec_and_test(&HFSPLUS_I(inode)->opencnt)) {
233                 inode_lock(inode);
234                 hfsplus_file_truncate(inode);
235                 if (inode->i_flags & S_DEAD) {
236                         hfsplus_delete_cat(inode->i_ino,
237                                            HFSPLUS_SB(sb)->hidden_dir, NULL);
238                         hfsplus_delete_inode(inode);
239                 }
240                 inode_unlock(inode);
241         }
242         return 0;
243 }
244
245 static int hfsplus_setattr(struct dentry *dentry, struct iattr *attr)
246 {
247         struct inode *inode = d_inode(dentry);
248         int error;
249
250         error = setattr_prepare(dentry, attr);
251         if (error)
252                 return error;
253
254         if ((attr->ia_valid & ATTR_SIZE) &&
255             attr->ia_size != i_size_read(inode)) {
256                 inode_dio_wait(inode);
257                 if (attr->ia_size > inode->i_size) {
258                         error = generic_cont_expand_simple(inode,
259                                                            attr->ia_size);
260                         if (error)
261                                 return error;
262                 }
263                 truncate_setsize(inode, attr->ia_size);
264                 hfsplus_file_truncate(inode);
265         }
266
267         setattr_copy(inode, attr);
268         mark_inode_dirty(inode);
269
270         if (attr->ia_valid & ATTR_MODE) {
271                 error = posix_acl_chmod(inode, inode->i_mode);
272                 if (unlikely(error))
273                         return error;
274         }
275
276         return 0;
277 }
278
279 int hfsplus_file_fsync(struct file *file, loff_t start, loff_t end,
280                        int datasync)
281 {
282         struct inode *inode = file->f_mapping->host;
283         struct hfsplus_inode_info *hip = HFSPLUS_I(inode);
284         struct hfsplus_sb_info *sbi = HFSPLUS_SB(inode->i_sb);
285         int error = 0, error2;
286
287         error = file_write_and_wait_range(file, start, end);
288         if (error)
289                 return error;
290         inode_lock(inode);
291
292         /*
293          * Sync inode metadata into the catalog and extent trees.
294          */
295         sync_inode_metadata(inode, 1);
296
297         /*
298          * And explicitly write out the btrees.
299          */
300         if (test_and_clear_bit(HFSPLUS_I_CAT_DIRTY, &hip->flags))
301                 error = filemap_write_and_wait(sbi->cat_tree->inode->i_mapping);
302
303         if (test_and_clear_bit(HFSPLUS_I_EXT_DIRTY, &hip->flags)) {
304                 error2 =
305                         filemap_write_and_wait(sbi->ext_tree->inode->i_mapping);
306                 if (!error)
307                         error = error2;
308         }
309
310         if (test_and_clear_bit(HFSPLUS_I_ATTR_DIRTY, &hip->flags)) {
311                 if (sbi->attr_tree) {
312                         error2 =
313                                 filemap_write_and_wait(
314                                             sbi->attr_tree->inode->i_mapping);
315                         if (!error)
316                                 error = error2;
317                 } else {
318                         pr_err("sync non-existent attributes tree\n");
319                 }
320         }
321
322         if (test_and_clear_bit(HFSPLUS_I_ALLOC_DIRTY, &hip->flags)) {
323                 error2 = filemap_write_and_wait(sbi->alloc_file->i_mapping);
324                 if (!error)
325                         error = error2;
326         }
327
328         if (!test_bit(HFSPLUS_SB_NOBARRIER, &sbi->flags))
329                 blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL);
330
331         inode_unlock(inode);
332
333         return error;
334 }
335
336 static const struct inode_operations hfsplus_file_inode_operations = {
337         .setattr        = hfsplus_setattr,
338         .listxattr      = hfsplus_listxattr,
339 #ifdef CONFIG_HFSPLUS_FS_POSIX_ACL
340         .get_acl        = hfsplus_get_posix_acl,
341         .set_acl        = hfsplus_set_posix_acl,
342 #endif
343 };
344
345 static const struct file_operations hfsplus_file_operations = {
346         .llseek         = generic_file_llseek,
347         .read_iter      = generic_file_read_iter,
348         .write_iter     = generic_file_write_iter,
349         .mmap           = generic_file_mmap,
350         .splice_read    = generic_file_splice_read,
351         .fsync          = hfsplus_file_fsync,
352         .open           = hfsplus_file_open,
353         .release        = hfsplus_file_release,
354         .unlocked_ioctl = hfsplus_ioctl,
355 };
356
357 struct inode *hfsplus_new_inode(struct super_block *sb, struct inode *dir,
358                                 umode_t mode)
359 {
360         struct hfsplus_sb_info *sbi = HFSPLUS_SB(sb);
361         struct inode *inode = new_inode(sb);
362         struct hfsplus_inode_info *hip;
363
364         if (!inode)
365                 return NULL;
366
367         inode->i_ino = sbi->next_cnid++;
368         inode_init_owner(inode, dir, mode);
369         set_nlink(inode, 1);
370         inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode);
371
372         hip = HFSPLUS_I(inode);
373         INIT_LIST_HEAD(&hip->open_dir_list);
374         spin_lock_init(&hip->open_dir_lock);
375         mutex_init(&hip->extents_lock);
376         atomic_set(&hip->opencnt, 0);
377         hip->extent_state = 0;
378         hip->flags = 0;
379         hip->userflags = 0;
380         hip->subfolders = 0;
381         memset(hip->first_extents, 0, sizeof(hfsplus_extent_rec));
382         memset(hip->cached_extents, 0, sizeof(hfsplus_extent_rec));
383         hip->alloc_blocks = 0;
384         hip->first_blocks = 0;
385         hip->cached_start = 0;
386         hip->cached_blocks = 0;
387         hip->phys_size = 0;
388         hip->fs_blocks = 0;
389         hip->rsrc_inode = NULL;
390         if (S_ISDIR(inode->i_mode)) {
391                 inode->i_size = 2;
392                 sbi->folder_count++;
393                 inode->i_op = &hfsplus_dir_inode_operations;
394                 inode->i_fop = &hfsplus_dir_operations;
395         } else if (S_ISREG(inode->i_mode)) {
396                 sbi->file_count++;
397                 inode->i_op = &hfsplus_file_inode_operations;
398                 inode->i_fop = &hfsplus_file_operations;
399                 inode->i_mapping->a_ops = &hfsplus_aops;
400                 hip->clump_blocks = sbi->data_clump_blocks;
401         } else if (S_ISLNK(inode->i_mode)) {
402                 sbi->file_count++;
403                 inode->i_op = &page_symlink_inode_operations;
404                 inode_nohighmem(inode);
405                 inode->i_mapping->a_ops = &hfsplus_aops;
406                 hip->clump_blocks = 1;
407         } else
408                 sbi->file_count++;
409         insert_inode_hash(inode);
410         mark_inode_dirty(inode);
411         hfsplus_mark_mdb_dirty(sb);
412
413         return inode;
414 }
415
416 void hfsplus_delete_inode(struct inode *inode)
417 {
418         struct super_block *sb = inode->i_sb;
419
420         if (S_ISDIR(inode->i_mode)) {
421                 HFSPLUS_SB(sb)->folder_count--;
422                 hfsplus_mark_mdb_dirty(sb);
423                 return;
424         }
425         HFSPLUS_SB(sb)->file_count--;
426         if (S_ISREG(inode->i_mode)) {
427                 if (!inode->i_nlink) {
428                         inode->i_size = 0;
429                         hfsplus_file_truncate(inode);
430                 }
431         } else if (S_ISLNK(inode->i_mode)) {
432                 inode->i_size = 0;
433                 hfsplus_file_truncate(inode);
434         }
435         hfsplus_mark_mdb_dirty(sb);
436 }
437
438 void hfsplus_inode_read_fork(struct inode *inode, struct hfsplus_fork_raw *fork)
439 {
440         struct super_block *sb = inode->i_sb;
441         struct hfsplus_sb_info *sbi = HFSPLUS_SB(sb);
442         struct hfsplus_inode_info *hip = HFSPLUS_I(inode);
443         u32 count;
444         int i;
445
446         memcpy(&hip->first_extents, &fork->extents, sizeof(hfsplus_extent_rec));
447         for (count = 0, i = 0; i < 8; i++)
448                 count += be32_to_cpu(fork->extents[i].block_count);
449         hip->first_blocks = count;
450         memset(hip->cached_extents, 0, sizeof(hfsplus_extent_rec));
451         hip->cached_start = 0;
452         hip->cached_blocks = 0;
453
454         hip->alloc_blocks = be32_to_cpu(fork->total_blocks);
455         hip->phys_size = inode->i_size = be64_to_cpu(fork->total_size);
456         hip->fs_blocks =
457                 (inode->i_size + sb->s_blocksize - 1) >> sb->s_blocksize_bits;
458         inode_set_bytes(inode, hip->fs_blocks << sb->s_blocksize_bits);
459         hip->clump_blocks =
460                 be32_to_cpu(fork->clump_size) >> sbi->alloc_blksz_shift;
461         if (!hip->clump_blocks) {
462                 hip->clump_blocks = HFSPLUS_IS_RSRC(inode) ?
463                         sbi->rsrc_clump_blocks :
464                         sbi->data_clump_blocks;
465         }
466 }
467
468 void hfsplus_inode_write_fork(struct inode *inode,
469                 struct hfsplus_fork_raw *fork)
470 {
471         memcpy(&fork->extents, &HFSPLUS_I(inode)->first_extents,
472                sizeof(hfsplus_extent_rec));
473         fork->total_size = cpu_to_be64(inode->i_size);
474         fork->total_blocks = cpu_to_be32(HFSPLUS_I(inode)->alloc_blocks);
475 }
476
477 int hfsplus_cat_read_inode(struct inode *inode, struct hfs_find_data *fd)
478 {
479         hfsplus_cat_entry entry;
480         int res = 0;
481         u16 type;
482
483         type = hfs_bnode_read_u16(fd->bnode, fd->entryoffset);
484
485         HFSPLUS_I(inode)->linkid = 0;
486         if (type == HFSPLUS_FOLDER) {
487                 struct hfsplus_cat_folder *folder = &entry.folder;
488
489                 if (fd->entrylength < sizeof(struct hfsplus_cat_folder))
490                         /* panic? */;
491                 hfs_bnode_read(fd->bnode, &entry, fd->entryoffset,
492                                         sizeof(struct hfsplus_cat_folder));
493                 hfsplus_get_perms(inode, &folder->permissions, 1);
494                 set_nlink(inode, 1);
495                 inode->i_size = 2 + be32_to_cpu(folder->valence);
496                 inode->i_atime = hfsp_mt2ut(folder->access_date);
497                 inode->i_mtime = hfsp_mt2ut(folder->content_mod_date);
498                 inode->i_ctime = hfsp_mt2ut(folder->attribute_mod_date);
499                 HFSPLUS_I(inode)->create_date = folder->create_date;
500                 HFSPLUS_I(inode)->fs_blocks = 0;
501                 if (folder->flags & cpu_to_be16(HFSPLUS_HAS_FOLDER_COUNT)) {
502                         HFSPLUS_I(inode)->subfolders =
503                                 be32_to_cpu(folder->subfolders);
504                 }
505                 inode->i_op = &hfsplus_dir_inode_operations;
506                 inode->i_fop = &hfsplus_dir_operations;
507         } else if (type == HFSPLUS_FILE) {
508                 struct hfsplus_cat_file *file = &entry.file;
509
510                 if (fd->entrylength < sizeof(struct hfsplus_cat_file))
511                         /* panic? */;
512                 hfs_bnode_read(fd->bnode, &entry, fd->entryoffset,
513                                         sizeof(struct hfsplus_cat_file));
514
515                 hfsplus_inode_read_fork(inode, HFSPLUS_IS_RSRC(inode) ?
516                                         &file->rsrc_fork : &file->data_fork);
517                 hfsplus_get_perms(inode, &file->permissions, 0);
518                 set_nlink(inode, 1);
519                 if (S_ISREG(inode->i_mode)) {
520                         if (file->permissions.dev)
521                                 set_nlink(inode,
522                                           be32_to_cpu(file->permissions.dev));
523                         inode->i_op = &hfsplus_file_inode_operations;
524                         inode->i_fop = &hfsplus_file_operations;
525                         inode->i_mapping->a_ops = &hfsplus_aops;
526                 } else if (S_ISLNK(inode->i_mode)) {
527                         inode->i_op = &page_symlink_inode_operations;
528                         inode_nohighmem(inode);
529                         inode->i_mapping->a_ops = &hfsplus_aops;
530                 } else {
531                         init_special_inode(inode, inode->i_mode,
532                                            be32_to_cpu(file->permissions.dev));
533                 }
534                 inode->i_atime = hfsp_mt2ut(file->access_date);
535                 inode->i_mtime = hfsp_mt2ut(file->content_mod_date);
536                 inode->i_ctime = hfsp_mt2ut(file->attribute_mod_date);
537                 HFSPLUS_I(inode)->create_date = file->create_date;
538         } else {
539                 pr_err("bad catalog entry used to create inode\n");
540                 res = -EIO;
541         }
542         return res;
543 }
544
545 int hfsplus_cat_write_inode(struct inode *inode)
546 {
547         struct inode *main_inode = inode;
548         struct hfs_find_data fd;
549         hfsplus_cat_entry entry;
550
551         if (HFSPLUS_IS_RSRC(inode))
552                 main_inode = HFSPLUS_I(inode)->rsrc_inode;
553
554         if (!main_inode->i_nlink)
555                 return 0;
556
557         if (hfs_find_init(HFSPLUS_SB(main_inode->i_sb)->cat_tree, &fd))
558                 /* panic? */
559                 return -EIO;
560
561         if (hfsplus_find_cat(main_inode->i_sb, main_inode->i_ino, &fd))
562                 /* panic? */
563                 goto out;
564
565         if (S_ISDIR(main_inode->i_mode)) {
566                 struct hfsplus_cat_folder *folder = &entry.folder;
567
568                 if (fd.entrylength < sizeof(struct hfsplus_cat_folder))
569                         /* panic? */;
570                 hfs_bnode_read(fd.bnode, &entry, fd.entryoffset,
571                                         sizeof(struct hfsplus_cat_folder));
572                 /* simple node checks? */
573                 hfsplus_cat_set_perms(inode, &folder->permissions);
574                 folder->access_date = hfsp_ut2mt(inode->i_atime);
575                 folder->content_mod_date = hfsp_ut2mt(inode->i_mtime);
576                 folder->attribute_mod_date = hfsp_ut2mt(inode->i_ctime);
577                 folder->valence = cpu_to_be32(inode->i_size - 2);
578                 if (folder->flags & cpu_to_be16(HFSPLUS_HAS_FOLDER_COUNT)) {
579                         folder->subfolders =
580                                 cpu_to_be32(HFSPLUS_I(inode)->subfolders);
581                 }
582                 hfs_bnode_write(fd.bnode, &entry, fd.entryoffset,
583                                          sizeof(struct hfsplus_cat_folder));
584         } else if (HFSPLUS_IS_RSRC(inode)) {
585                 struct hfsplus_cat_file *file = &entry.file;
586                 hfs_bnode_read(fd.bnode, &entry, fd.entryoffset,
587                                sizeof(struct hfsplus_cat_file));
588                 hfsplus_inode_write_fork(inode, &file->rsrc_fork);
589                 hfs_bnode_write(fd.bnode, &entry, fd.entryoffset,
590                                 sizeof(struct hfsplus_cat_file));
591         } else {
592                 struct hfsplus_cat_file *file = &entry.file;
593
594                 if (fd.entrylength < sizeof(struct hfsplus_cat_file))
595                         /* panic? */;
596                 hfs_bnode_read(fd.bnode, &entry, fd.entryoffset,
597                                         sizeof(struct hfsplus_cat_file));
598                 hfsplus_inode_write_fork(inode, &file->data_fork);
599                 hfsplus_cat_set_perms(inode, &file->permissions);
600                 if (HFSPLUS_FLG_IMMUTABLE &
601                                 (file->permissions.rootflags |
602                                         file->permissions.userflags))
603                         file->flags |= cpu_to_be16(HFSPLUS_FILE_LOCKED);
604                 else
605                         file->flags &= cpu_to_be16(~HFSPLUS_FILE_LOCKED);
606                 file->access_date = hfsp_ut2mt(inode->i_atime);
607                 file->content_mod_date = hfsp_ut2mt(inode->i_mtime);
608                 file->attribute_mod_date = hfsp_ut2mt(inode->i_ctime);
609                 hfs_bnode_write(fd.bnode, &entry, fd.entryoffset,
610                                          sizeof(struct hfsplus_cat_file));
611         }
612
613         set_bit(HFSPLUS_I_CAT_DIRTY, &HFSPLUS_I(inode)->flags);
614 out:
615         hfs_find_exit(&fd);
616         return 0;
617 }