GNU Linux-libre 4.9.308-gnu1
[releases.git] / fs / hfsplus / inode.c
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/uio.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_SIZE) {
91                 nidx = page->index >>
92                         (tree->node_size_shift - PAGE_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_SHIFT - tree->node_size_shift);
107                 i = 1 << (PAGE_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(struct kiocb *iocb, struct iov_iter *iter)
126 {
127         struct file *file = iocb->ki_filp;
128         struct address_space *mapping = file->f_mapping;
129         struct inode *inode = mapping->host;
130         size_t count = iov_iter_count(iter);
131         ssize_t ret;
132
133         ret = blockdev_direct_IO(iocb, inode, iter, hfsplus_get_block);
134
135         /*
136          * In case of error extending write may have instantiated a few
137          * blocks outside i_size. Trim these off again.
138          */
139         if (unlikely(iov_iter_rw(iter) == WRITE && ret < 0)) {
140                 loff_t isize = i_size_read(inode);
141                 loff_t end = iocb->ki_pos + count;
142
143                 if (end > isize)
144                         hfsplus_write_failed(mapping, end);
145         }
146
147         return ret;
148 }
149
150 static int hfsplus_writepages(struct address_space *mapping,
151                               struct writeback_control *wbc)
152 {
153         return mpage_writepages(mapping, wbc, hfsplus_get_block);
154 }
155
156 const struct address_space_operations hfsplus_btree_aops = {
157         .readpage       = hfsplus_readpage,
158         .writepage      = hfsplus_writepage,
159         .write_begin    = hfsplus_write_begin,
160         .write_end      = generic_write_end,
161         .bmap           = hfsplus_bmap,
162         .releasepage    = hfsplus_releasepage,
163 };
164
165 const struct address_space_operations hfsplus_aops = {
166         .readpage       = hfsplus_readpage,
167         .writepage      = hfsplus_writepage,
168         .write_begin    = hfsplus_write_begin,
169         .write_end      = generic_write_end,
170         .bmap           = hfsplus_bmap,
171         .direct_IO      = hfsplus_direct_IO,
172         .writepages     = hfsplus_writepages,
173 };
174
175 const struct dentry_operations hfsplus_dentry_operations = {
176         .d_hash       = hfsplus_hash_dentry,
177         .d_compare    = hfsplus_compare_dentry,
178 };
179
180 static void hfsplus_get_perms(struct inode *inode,
181                 struct hfsplus_perm *perms, int dir)
182 {
183         struct hfsplus_sb_info *sbi = HFSPLUS_SB(inode->i_sb);
184         u16 mode;
185
186         mode = be16_to_cpu(perms->mode);
187
188         i_uid_write(inode, be32_to_cpu(perms->owner));
189         if (!i_uid_read(inode) && !mode)
190                 inode->i_uid = sbi->uid;
191
192         i_gid_write(inode, be32_to_cpu(perms->group));
193         if (!i_gid_read(inode) && !mode)
194                 inode->i_gid = sbi->gid;
195
196         if (dir) {
197                 mode = mode ? (mode & S_IALLUGO) : (S_IRWXUGO & ~(sbi->umask));
198                 mode |= S_IFDIR;
199         } else if (!mode)
200                 mode = S_IFREG | ((S_IRUGO|S_IWUGO) & ~(sbi->umask));
201         inode->i_mode = mode;
202
203         HFSPLUS_I(inode)->userflags = perms->userflags;
204         if (perms->rootflags & HFSPLUS_FLG_IMMUTABLE)
205                 inode->i_flags |= S_IMMUTABLE;
206         else
207                 inode->i_flags &= ~S_IMMUTABLE;
208         if (perms->rootflags & HFSPLUS_FLG_APPEND)
209                 inode->i_flags |= S_APPEND;
210         else
211                 inode->i_flags &= ~S_APPEND;
212 }
213
214 static int hfsplus_file_open(struct inode *inode, struct file *file)
215 {
216         if (HFSPLUS_IS_RSRC(inode))
217                 inode = HFSPLUS_I(inode)->rsrc_inode;
218         if (!(file->f_flags & O_LARGEFILE) && i_size_read(inode) > MAX_NON_LFS)
219                 return -EOVERFLOW;
220         atomic_inc(&HFSPLUS_I(inode)->opencnt);
221         return 0;
222 }
223
224 static int hfsplus_file_release(struct inode *inode, struct file *file)
225 {
226         struct super_block *sb = inode->i_sb;
227
228         if (HFSPLUS_IS_RSRC(inode))
229                 inode = HFSPLUS_I(inode)->rsrc_inode;
230         if (atomic_dec_and_test(&HFSPLUS_I(inode)->opencnt)) {
231                 inode_lock(inode);
232                 hfsplus_file_truncate(inode);
233                 if (inode->i_flags & S_DEAD) {
234                         hfsplus_delete_cat(inode->i_ino,
235                                            HFSPLUS_SB(sb)->hidden_dir, NULL);
236                         hfsplus_delete_inode(inode);
237                 }
238                 inode_unlock(inode);
239         }
240         return 0;
241 }
242
243 static int hfsplus_setattr(struct dentry *dentry, struct iattr *attr)
244 {
245         struct inode *inode = d_inode(dentry);
246         int error;
247
248         error = setattr_prepare(dentry, attr);
249         if (error)
250                 return error;
251
252         if ((attr->ia_valid & ATTR_SIZE) &&
253             attr->ia_size != i_size_read(inode)) {
254                 inode_dio_wait(inode);
255                 if (attr->ia_size > inode->i_size) {
256                         error = generic_cont_expand_simple(inode,
257                                                            attr->ia_size);
258                         if (error)
259                                 return error;
260                 }
261                 truncate_setsize(inode, attr->ia_size);
262                 hfsplus_file_truncate(inode);
263                 inode->i_mtime = inode->i_ctime = current_time(inode);
264         }
265
266         setattr_copy(inode, attr);
267         mark_inode_dirty(inode);
268
269         if (attr->ia_valid & ATTR_MODE) {
270                 error = posix_acl_chmod(inode, inode->i_mode);
271                 if (unlikely(error))
272                         return error;
273         }
274
275         return 0;
276 }
277
278 int hfsplus_file_fsync(struct file *file, loff_t start, loff_t end,
279                        int datasync)
280 {
281         struct inode *inode = file->f_mapping->host;
282         struct hfsplus_inode_info *hip = HFSPLUS_I(inode);
283         struct hfsplus_sb_info *sbi = HFSPLUS_SB(inode->i_sb);
284         int error = 0, error2;
285
286         error = filemap_write_and_wait_range(inode->i_mapping, start, end);
287         if (error)
288                 return error;
289         inode_lock(inode);
290
291         /*
292          * Sync inode metadata into the catalog and extent trees.
293          */
294         sync_inode_metadata(inode, 1);
295
296         /*
297          * And explicitly write out the btrees.
298          */
299         if (test_and_clear_bit(HFSPLUS_I_CAT_DIRTY, &hip->flags))
300                 error = filemap_write_and_wait(sbi->cat_tree->inode->i_mapping);
301
302         if (test_and_clear_bit(HFSPLUS_I_EXT_DIRTY, &hip->flags)) {
303                 error2 =
304                         filemap_write_and_wait(sbi->ext_tree->inode->i_mapping);
305                 if (!error)
306                         error = error2;
307         }
308
309         if (test_and_clear_bit(HFSPLUS_I_ATTR_DIRTY, &hip->flags)) {
310                 if (sbi->attr_tree) {
311                         error2 =
312                                 filemap_write_and_wait(
313                                             sbi->attr_tree->inode->i_mapping);
314                         if (!error)
315                                 error = error2;
316                 } else {
317                         pr_err("sync non-existent attributes tree\n");
318                 }
319         }
320
321         if (test_and_clear_bit(HFSPLUS_I_ALLOC_DIRTY, &hip->flags)) {
322                 error2 = filemap_write_and_wait(sbi->alloc_file->i_mapping);
323                 if (!error)
324                         error = error2;
325         }
326
327         if (!test_bit(HFSPLUS_SB_NOBARRIER, &sbi->flags))
328                 blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL);
329
330         inode_unlock(inode);
331
332         return error;
333 }
334
335 static const struct inode_operations hfsplus_file_inode_operations = {
336         .setattr        = hfsplus_setattr,
337         .listxattr      = hfsplus_listxattr,
338 #ifdef CONFIG_HFSPLUS_FS_POSIX_ACL
339         .get_acl        = hfsplus_get_posix_acl,
340         .set_acl        = hfsplus_set_posix_acl,
341 #endif
342 };
343
344 static const struct file_operations hfsplus_file_operations = {
345         .llseek         = generic_file_llseek,
346         .read_iter      = generic_file_read_iter,
347         .write_iter     = generic_file_write_iter,
348         .mmap           = generic_file_mmap,
349         .splice_read    = generic_file_splice_read,
350         .fsync          = hfsplus_file_fsync,
351         .open           = hfsplus_file_open,
352         .release        = hfsplus_file_release,
353         .unlocked_ioctl = hfsplus_ioctl,
354 };
355
356 struct inode *hfsplus_new_inode(struct super_block *sb, umode_t mode)
357 {
358         struct hfsplus_sb_info *sbi = HFSPLUS_SB(sb);
359         struct inode *inode = new_inode(sb);
360         struct hfsplus_inode_info *hip;
361
362         if (!inode)
363                 return NULL;
364
365         inode->i_ino = sbi->next_cnid++;
366         inode->i_mode = mode;
367         inode->i_uid = current_fsuid();
368         inode->i_gid = current_fsgid();
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 }