hfsplus: fix expand when not enough available space
[pandora-kernel.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_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                 struct iov_iter *iter, loff_t offset)
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         size_t count = iov_iter_count(iter);
132         ssize_t ret;
133
134         ret = blockdev_direct_IO(rw, iocb, inode, iter, offset, 
135                                  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((rw & WRITE) && ret < 0)) {
142                 loff_t isize = i_size_read(inode);
143                 loff_t end = offset + 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                 mutex_lock(&inode->i_mutex);
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                 mutex_unlock(&inode->i_mutex);
241         }
242         return 0;
243 }
244
245 static int hfsplus_setattr(struct dentry *dentry, struct iattr *attr)
246 {
247         struct inode *inode = dentry->d_inode;
248         int error;
249
250         error = inode_change_ok(inode, 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 = filemap_write_and_wait_range(inode->i_mapping, start, end);
288         if (error)
289                 return error;
290         mutex_lock(&inode->i_mutex);
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         mutex_unlock(&inode->i_mutex);
332
333         return error;
334 }
335
336 static const struct inode_operations hfsplus_file_inode_operations = {
337         .setattr        = hfsplus_setattr,
338         .setxattr       = generic_setxattr,
339         .getxattr       = generic_getxattr,
340         .listxattr      = hfsplus_listxattr,
341         .removexattr    = generic_removexattr,
342 #ifdef CONFIG_HFSPLUS_FS_POSIX_ACL
343         .get_acl        = hfsplus_get_posix_acl,
344         .set_acl        = hfsplus_set_posix_acl,
345 #endif
346 };
347
348 static const struct file_operations hfsplus_file_operations = {
349         .llseek         = generic_file_llseek,
350         .read_iter      = generic_file_read_iter,
351         .write_iter     = generic_file_write_iter,
352         .mmap           = generic_file_mmap,
353         .splice_read    = generic_file_splice_read,
354         .fsync          = hfsplus_file_fsync,
355         .open           = hfsplus_file_open,
356         .release        = hfsplus_file_release,
357         .unlocked_ioctl = hfsplus_ioctl,
358 };
359
360 struct inode *hfsplus_new_inode(struct super_block *sb, umode_t mode)
361 {
362         struct hfsplus_sb_info *sbi = HFSPLUS_SB(sb);
363         struct inode *inode = new_inode(sb);
364         struct hfsplus_inode_info *hip;
365
366         if (!inode)
367                 return NULL;
368
369         inode->i_ino = sbi->next_cnid++;
370         inode->i_mode = mode;
371         inode->i_uid = current_fsuid();
372         inode->i_gid = current_fsgid();
373         set_nlink(inode, 1);
374         inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC;
375
376         hip = HFSPLUS_I(inode);
377         INIT_LIST_HEAD(&hip->open_dir_list);
378         mutex_init(&hip->extents_lock);
379         atomic_set(&hip->opencnt, 0);
380         hip->extent_state = 0;
381         hip->flags = 0;
382         hip->userflags = 0;
383         hip->subfolders = 0;
384         memset(hip->first_extents, 0, sizeof(hfsplus_extent_rec));
385         memset(hip->cached_extents, 0, sizeof(hfsplus_extent_rec));
386         hip->alloc_blocks = 0;
387         hip->first_blocks = 0;
388         hip->cached_start = 0;
389         hip->cached_blocks = 0;
390         hip->phys_size = 0;
391         hip->fs_blocks = 0;
392         hip->rsrc_inode = NULL;
393         if (S_ISDIR(inode->i_mode)) {
394                 inode->i_size = 2;
395                 sbi->folder_count++;
396                 inode->i_op = &hfsplus_dir_inode_operations;
397                 inode->i_fop = &hfsplus_dir_operations;
398         } else if (S_ISREG(inode->i_mode)) {
399                 sbi->file_count++;
400                 inode->i_op = &hfsplus_file_inode_operations;
401                 inode->i_fop = &hfsplus_file_operations;
402                 inode->i_mapping->a_ops = &hfsplus_aops;
403                 hip->clump_blocks = sbi->data_clump_blocks;
404         } else if (S_ISLNK(inode->i_mode)) {
405                 sbi->file_count++;
406                 inode->i_op = &page_symlink_inode_operations;
407                 inode->i_mapping->a_ops = &hfsplus_aops;
408                 hip->clump_blocks = 1;
409         } else
410                 sbi->file_count++;
411         insert_inode_hash(inode);
412         mark_inode_dirty(inode);
413         hfsplus_mark_mdb_dirty(sb);
414
415         return inode;
416 }
417
418 void hfsplus_delete_inode(struct inode *inode)
419 {
420         struct super_block *sb = inode->i_sb;
421
422         if (S_ISDIR(inode->i_mode)) {
423                 HFSPLUS_SB(sb)->folder_count--;
424                 hfsplus_mark_mdb_dirty(sb);
425                 return;
426         }
427         HFSPLUS_SB(sb)->file_count--;
428         if (S_ISREG(inode->i_mode)) {
429                 if (!inode->i_nlink) {
430                         inode->i_size = 0;
431                         hfsplus_file_truncate(inode);
432                 }
433         } else if (S_ISLNK(inode->i_mode)) {
434                 inode->i_size = 0;
435                 hfsplus_file_truncate(inode);
436         }
437         hfsplus_mark_mdb_dirty(sb);
438 }
439
440 void hfsplus_inode_read_fork(struct inode *inode, struct hfsplus_fork_raw *fork)
441 {
442         struct super_block *sb = inode->i_sb;
443         struct hfsplus_sb_info *sbi = HFSPLUS_SB(sb);
444         struct hfsplus_inode_info *hip = HFSPLUS_I(inode);
445         u32 count;
446         int i;
447
448         memcpy(&hip->first_extents, &fork->extents, sizeof(hfsplus_extent_rec));
449         for (count = 0, i = 0; i < 8; i++)
450                 count += be32_to_cpu(fork->extents[i].block_count);
451         hip->first_blocks = count;
452         memset(hip->cached_extents, 0, sizeof(hfsplus_extent_rec));
453         hip->cached_start = 0;
454         hip->cached_blocks = 0;
455
456         hip->alloc_blocks = be32_to_cpu(fork->total_blocks);
457         hip->phys_size = inode->i_size = be64_to_cpu(fork->total_size);
458         hip->fs_blocks =
459                 (inode->i_size + sb->s_blocksize - 1) >> sb->s_blocksize_bits;
460         inode_set_bytes(inode, hip->fs_blocks << sb->s_blocksize_bits);
461         hip->clump_blocks =
462                 be32_to_cpu(fork->clump_size) >> sbi->alloc_blksz_shift;
463         if (!hip->clump_blocks) {
464                 hip->clump_blocks = HFSPLUS_IS_RSRC(inode) ?
465                         sbi->rsrc_clump_blocks :
466                         sbi->data_clump_blocks;
467         }
468 }
469
470 void hfsplus_inode_write_fork(struct inode *inode,
471                 struct hfsplus_fork_raw *fork)
472 {
473         memcpy(&fork->extents, &HFSPLUS_I(inode)->first_extents,
474                sizeof(hfsplus_extent_rec));
475         fork->total_size = cpu_to_be64(inode->i_size);
476         fork->total_blocks = cpu_to_be32(HFSPLUS_I(inode)->alloc_blocks);
477 }
478
479 int hfsplus_cat_read_inode(struct inode *inode, struct hfs_find_data *fd)
480 {
481         hfsplus_cat_entry entry;
482         int res = 0;
483         u16 type;
484
485         type = hfs_bnode_read_u16(fd->bnode, fd->entryoffset);
486
487         HFSPLUS_I(inode)->linkid = 0;
488         if (type == HFSPLUS_FOLDER) {
489                 struct hfsplus_cat_folder *folder = &entry.folder;
490
491                 if (fd->entrylength < sizeof(struct hfsplus_cat_folder))
492                         /* panic? */;
493                 hfs_bnode_read(fd->bnode, &entry, fd->entryoffset,
494                                         sizeof(struct hfsplus_cat_folder));
495                 hfsplus_get_perms(inode, &folder->permissions, 1);
496                 set_nlink(inode, 1);
497                 inode->i_size = 2 + be32_to_cpu(folder->valence);
498                 inode->i_atime = hfsp_mt2ut(folder->access_date);
499                 inode->i_mtime = hfsp_mt2ut(folder->content_mod_date);
500                 inode->i_ctime = hfsp_mt2ut(folder->attribute_mod_date);
501                 HFSPLUS_I(inode)->create_date = folder->create_date;
502                 HFSPLUS_I(inode)->fs_blocks = 0;
503                 if (folder->flags & cpu_to_be16(HFSPLUS_HAS_FOLDER_COUNT)) {
504                         HFSPLUS_I(inode)->subfolders =
505                                 be32_to_cpu(folder->subfolders);
506                 }
507                 inode->i_op = &hfsplus_dir_inode_operations;
508                 inode->i_fop = &hfsplus_dir_operations;
509         } else if (type == HFSPLUS_FILE) {
510                 struct hfsplus_cat_file *file = &entry.file;
511
512                 if (fd->entrylength < sizeof(struct hfsplus_cat_file))
513                         /* panic? */;
514                 hfs_bnode_read(fd->bnode, &entry, fd->entryoffset,
515                                         sizeof(struct hfsplus_cat_file));
516
517                 hfsplus_inode_read_fork(inode, HFSPLUS_IS_RSRC(inode) ?
518                                         &file->rsrc_fork : &file->data_fork);
519                 hfsplus_get_perms(inode, &file->permissions, 0);
520                 set_nlink(inode, 1);
521                 if (S_ISREG(inode->i_mode)) {
522                         if (file->permissions.dev)
523                                 set_nlink(inode,
524                                           be32_to_cpu(file->permissions.dev));
525                         inode->i_op = &hfsplus_file_inode_operations;
526                         inode->i_fop = &hfsplus_file_operations;
527                         inode->i_mapping->a_ops = &hfsplus_aops;
528                 } else if (S_ISLNK(inode->i_mode)) {
529                         inode->i_op = &page_symlink_inode_operations;
530                         inode->i_mapping->a_ops = &hfsplus_aops;
531                 } else {
532                         init_special_inode(inode, inode->i_mode,
533                                            be32_to_cpu(file->permissions.dev));
534                 }
535                 inode->i_atime = hfsp_mt2ut(file->access_date);
536                 inode->i_mtime = hfsp_mt2ut(file->content_mod_date);
537                 inode->i_ctime = hfsp_mt2ut(file->attribute_mod_date);
538                 HFSPLUS_I(inode)->create_date = file->create_date;
539         } else {
540                 pr_err("bad catalog entry used to create inode\n");
541                 res = -EIO;
542         }
543         return res;
544 }
545
546 int hfsplus_cat_write_inode(struct inode *inode)
547 {
548         struct inode *main_inode = inode;
549         struct hfs_find_data fd;
550         hfsplus_cat_entry entry;
551
552         if (HFSPLUS_IS_RSRC(inode))
553                 main_inode = HFSPLUS_I(inode)->rsrc_inode;
554
555         if (!main_inode->i_nlink)
556                 return 0;
557
558         if (hfs_find_init(HFSPLUS_SB(main_inode->i_sb)->cat_tree, &fd))
559                 /* panic? */
560                 return -EIO;
561
562         if (hfsplus_find_cat(main_inode->i_sb, main_inode->i_ino, &fd))
563                 /* panic? */
564                 goto out;
565
566         if (S_ISDIR(main_inode->i_mode)) {
567                 struct hfsplus_cat_folder *folder = &entry.folder;
568
569                 if (fd.entrylength < sizeof(struct hfsplus_cat_folder))
570                         /* panic? */;
571                 hfs_bnode_read(fd.bnode, &entry, fd.entryoffset,
572                                         sizeof(struct hfsplus_cat_folder));
573                 /* simple node checks? */
574                 hfsplus_cat_set_perms(inode, &folder->permissions);
575                 folder->access_date = hfsp_ut2mt(inode->i_atime);
576                 folder->content_mod_date = hfsp_ut2mt(inode->i_mtime);
577                 folder->attribute_mod_date = hfsp_ut2mt(inode->i_ctime);
578                 folder->valence = cpu_to_be32(inode->i_size - 2);
579                 if (folder->flags & cpu_to_be16(HFSPLUS_HAS_FOLDER_COUNT)) {
580                         folder->subfolders =
581                                 cpu_to_be32(HFSPLUS_I(inode)->subfolders);
582                 }
583                 hfs_bnode_write(fd.bnode, &entry, fd.entryoffset,
584                                          sizeof(struct hfsplus_cat_folder));
585         } else if (HFSPLUS_IS_RSRC(inode)) {
586                 struct hfsplus_cat_file *file = &entry.file;
587                 hfs_bnode_read(fd.bnode, &entry, fd.entryoffset,
588                                sizeof(struct hfsplus_cat_file));
589                 hfsplus_inode_write_fork(inode, &file->rsrc_fork);
590                 hfs_bnode_write(fd.bnode, &entry, fd.entryoffset,
591                                 sizeof(struct hfsplus_cat_file));
592         } else {
593                 struct hfsplus_cat_file *file = &entry.file;
594
595                 if (fd.entrylength < sizeof(struct hfsplus_cat_file))
596                         /* panic? */;
597                 hfs_bnode_read(fd.bnode, &entry, fd.entryoffset,
598                                         sizeof(struct hfsplus_cat_file));
599                 hfsplus_inode_write_fork(inode, &file->data_fork);
600                 hfsplus_cat_set_perms(inode, &file->permissions);
601                 if (HFSPLUS_FLG_IMMUTABLE &
602                                 (file->permissions.rootflags |
603                                         file->permissions.userflags))
604                         file->flags |= cpu_to_be16(HFSPLUS_FILE_LOCKED);
605                 else
606                         file->flags &= cpu_to_be16(~HFSPLUS_FILE_LOCKED);
607                 file->access_date = hfsp_ut2mt(inode->i_atime);
608                 file->content_mod_date = hfsp_ut2mt(inode->i_mtime);
609                 file->attribute_mod_date = hfsp_ut2mt(inode->i_ctime);
610                 hfs_bnode_write(fd.bnode, &entry, fd.entryoffset,
611                                          sizeof(struct hfsplus_cat_file));
612         }
613
614         set_bit(HFSPLUS_I_CAT_DIRTY, &HFSPLUS_I(inode)->flags);
615 out:
616         hfs_find_exit(&fd);
617         return 0;
618 }