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TOMOYO Linux Cross Reference
Linux/fs/hfsplus/inode.c

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  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 
 25 static int hfsplus_readpage(struct file *file, struct page *page)
 26 {
 27         return block_read_full_page(page, hfsplus_get_block);
 28 }
 29 
 30 static int hfsplus_writepage(struct page *page, struct writeback_control *wbc)
 31 {
 32         return block_write_full_page(page, hfsplus_get_block, wbc);
 33 }
 34 
 35 static void hfsplus_write_failed(struct address_space *mapping, loff_t to)
 36 {
 37         struct inode *inode = mapping->host;
 38 
 39         if (to > inode->i_size) {
 40                 truncate_pagecache(inode, inode->i_size);
 41                 hfsplus_file_truncate(inode);
 42         }
 43 }
 44 
 45 static int hfsplus_write_begin(struct file *file, struct address_space *mapping,
 46                         loff_t pos, unsigned len, unsigned flags,
 47                         struct page **pagep, void **fsdata)
 48 {
 49         int ret;
 50 
 51         *pagep = NULL;
 52         ret = cont_write_begin(file, mapping, pos, len, flags, pagep, fsdata,
 53                                 hfsplus_get_block,
 54                                 &HFSPLUS_I(mapping->host)->phys_size);
 55         if (unlikely(ret))
 56                 hfsplus_write_failed(mapping, pos + len);
 57 
 58         return ret;
 59 }
 60 
 61 static sector_t hfsplus_bmap(struct address_space *mapping, sector_t block)
 62 {
 63         return generic_block_bmap(mapping, block, hfsplus_get_block);
 64 }
 65 
 66 static int hfsplus_releasepage(struct page *page, gfp_t mask)
 67 {
 68         struct inode *inode = page->mapping->host;
 69         struct super_block *sb = inode->i_sb;
 70         struct hfs_btree *tree;
 71         struct hfs_bnode *node;
 72         u32 nidx;
 73         int i, res = 1;
 74 
 75         switch (inode->i_ino) {
 76         case HFSPLUS_EXT_CNID:
 77                 tree = HFSPLUS_SB(sb)->ext_tree;
 78                 break;
 79         case HFSPLUS_CAT_CNID:
 80                 tree = HFSPLUS_SB(sb)->cat_tree;
 81                 break;
 82         case HFSPLUS_ATTR_CNID:
 83                 tree = HFSPLUS_SB(sb)->attr_tree;
 84                 break;
 85         default:
 86                 BUG();
 87                 return 0;
 88         }
 89         if (!tree)
 90                 return 0;
 91         if (tree->node_size >= PAGE_SIZE) {
 92                 nidx = page->index >>
 93                         (tree->node_size_shift - PAGE_SHIFT);
 94                 spin_lock(&tree->hash_lock);
 95                 node = hfs_bnode_findhash(tree, nidx);
 96                 if (!node)
 97                         ;
 98                 else if (atomic_read(&node->refcnt))
 99                         res = 0;
100                 if (res && node) {
101                         hfs_bnode_unhash(node);
102                         hfs_bnode_free(node);
103                 }
104                 spin_unlock(&tree->hash_lock);
105         } else {
106                 nidx = page->index <<
107                         (PAGE_SHIFT - tree->node_size_shift);
108                 i = 1 << (PAGE_SHIFT - tree->node_size_shift);
109                 spin_lock(&tree->hash_lock);
110                 do {
111                         node = hfs_bnode_findhash(tree, nidx++);
112                         if (!node)
113                                 continue;
114                         if (atomic_read(&node->refcnt)) {
115                                 res = 0;
116                                 break;
117                         }
118                         hfs_bnode_unhash(node);
119                         hfs_bnode_free(node);
120                 } while (--i && nidx < tree->node_count);
121                 spin_unlock(&tree->hash_lock);
122         }
123         return res ? try_to_free_buffers(page) : 0;
124 }
125 
126 static ssize_t hfsplus_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
127 {
128         struct file *file = iocb->ki_filp;
129         struct address_space *mapping = file->f_mapping;
130         struct inode *inode = mapping->host;
131         size_t count = iov_iter_count(iter);
132         ssize_t ret;
133 
134         ret = blockdev_direct_IO(iocb, inode, iter, hfsplus_get_block);
135 
136         /*
137          * In case of error extending write may have instantiated a few
138          * blocks outside i_size. Trim these off again.
139          */
140         if (unlikely(iov_iter_rw(iter) == WRITE && ret < 0)) {
141                 loff_t isize = i_size_read(inode);
142                 loff_t end = iocb->ki_pos + count;
143 
144                 if (end > isize)
145                         hfsplus_write_failed(mapping, end);
146         }
147 
148         return ret;
149 }
150 
151 static int hfsplus_writepages(struct address_space *mapping,
152                               struct writeback_control *wbc)
153 {
154         return mpage_writepages(mapping, wbc, hfsplus_get_block);
155 }
156 
157 const struct address_space_operations hfsplus_btree_aops = {
158         .readpage       = hfsplus_readpage,
159         .writepage      = hfsplus_writepage,
160         .write_begin    = hfsplus_write_begin,
161         .write_end      = generic_write_end,
162         .bmap           = hfsplus_bmap,
163         .releasepage    = hfsplus_releasepage,
164 };
165 
166 const struct address_space_operations hfsplus_aops = {
167         .readpage       = hfsplus_readpage,
168         .writepage      = hfsplus_writepage,
169         .write_begin    = hfsplus_write_begin,
170         .write_end      = generic_write_end,
171         .bmap           = hfsplus_bmap,
172         .direct_IO      = hfsplus_direct_IO,
173         .writepages     = hfsplus_writepages,
174 };
175 
176 const struct dentry_operations hfsplus_dentry_operations = {
177         .d_hash       = hfsplus_hash_dentry,
178         .d_compare    = hfsplus_compare_dentry,
179 };
180 
181 static void hfsplus_get_perms(struct inode *inode,
182                 struct hfsplus_perm *perms, int dir)
183 {
184         struct hfsplus_sb_info *sbi = HFSPLUS_SB(inode->i_sb);
185         u16 mode;
186 
187         mode = be16_to_cpu(perms->mode);
188 
189         i_uid_write(inode, be32_to_cpu(perms->owner));
190         if (!i_uid_read(inode) && !mode)
191                 inode->i_uid = sbi->uid;
192 
193         i_gid_write(inode, be32_to_cpu(perms->group));
194         if (!i_gid_read(inode) && !mode)
195                 inode->i_gid = sbi->gid;
196 
197         if (dir) {
198                 mode = mode ? (mode & S_IALLUGO) : (S_IRWXUGO & ~(sbi->umask));
199                 mode |= S_IFDIR;
200         } else if (!mode)
201                 mode = S_IFREG | ((S_IRUGO|S_IWUGO) & ~(sbi->umask));
202         inode->i_mode = mode;
203 
204         HFSPLUS_I(inode)->userflags = perms->userflags;
205         if (perms->rootflags & HFSPLUS_FLG_IMMUTABLE)
206                 inode->i_flags |= S_IMMUTABLE;
207         else
208                 inode->i_flags &= ~S_IMMUTABLE;
209         if (perms->rootflags & HFSPLUS_FLG_APPEND)
210                 inode->i_flags |= S_APPEND;
211         else
212                 inode->i_flags &= ~S_APPEND;
213 }
214 
215 static int hfsplus_file_open(struct inode *inode, struct file *file)
216 {
217         if (HFSPLUS_IS_RSRC(inode))
218                 inode = HFSPLUS_I(inode)->rsrc_inode;
219         if (!(file->f_flags & O_LARGEFILE) && i_size_read(inode) > MAX_NON_LFS)
220                 return -EOVERFLOW;
221         atomic_inc(&HFSPLUS_I(inode)->opencnt);
222         return 0;
223 }
224 
225 static int hfsplus_file_release(struct inode *inode, struct file *file)
226 {
227         struct super_block *sb = inode->i_sb;
228 
229         if (HFSPLUS_IS_RSRC(inode))
230                 inode = HFSPLUS_I(inode)->rsrc_inode;
231         if (atomic_dec_and_test(&HFSPLUS_I(inode)->opencnt)) {
232                 inode_lock(inode);
233                 hfsplus_file_truncate(inode);
234                 if (inode->i_flags & S_DEAD) {
235                         hfsplus_delete_cat(inode->i_ino,
236                                            HFSPLUS_SB(sb)->hidden_dir, NULL);
237                         hfsplus_delete_inode(inode);
238                 }
239                 inode_unlock(inode);
240         }
241         return 0;
242 }
243 
244 static int hfsplus_setattr(struct dentry *dentry, struct iattr *attr)
245 {
246         struct inode *inode = d_inode(dentry);
247         int error;
248 
249         error = setattr_prepare(dentry, attr);
250         if (error)
251                 return error;
252 
253         if ((attr->ia_valid & ATTR_SIZE) &&
254             attr->ia_size != i_size_read(inode)) {
255                 inode_dio_wait(inode);
256                 if (attr->ia_size > inode->i_size) {
257                         error = generic_cont_expand_simple(inode,
258                                                            attr->ia_size);
259                         if (error)
260                                 return error;
261                 }
262                 truncate_setsize(inode, attr->ia_size);
263                 hfsplus_file_truncate(inode);
264                 inode->i_mtime = inode->i_ctime = current_time(inode);
265         }
266 
267         setattr_copy(inode, attr);
268         mark_inode_dirty(inode);
269 
270         return 0;
271 }
272 
273 int hfsplus_file_fsync(struct file *file, loff_t start, loff_t end,
274                        int datasync)
275 {
276         struct inode *inode = file->f_mapping->host;
277         struct hfsplus_inode_info *hip = HFSPLUS_I(inode);
278         struct hfsplus_sb_info *sbi = HFSPLUS_SB(inode->i_sb);
279         int error = 0, error2;
280 
281         error = file_write_and_wait_range(file, start, end);
282         if (error)
283                 return error;
284         inode_lock(inode);
285 
286         /*
287          * Sync inode metadata into the catalog and extent trees.
288          */
289         sync_inode_metadata(inode, 1);
290 
291         /*
292          * And explicitly write out the btrees.
293          */
294         if (test_and_clear_bit(HFSPLUS_I_CAT_DIRTY, &hip->flags))
295                 error = filemap_write_and_wait(sbi->cat_tree->inode->i_mapping);
296 
297         if (test_and_clear_bit(HFSPLUS_I_EXT_DIRTY, &hip->flags)) {
298                 error2 =
299                         filemap_write_and_wait(sbi->ext_tree->inode->i_mapping);
300                 if (!error)
301                         error = error2;
302         }
303 
304         if (test_and_clear_bit(HFSPLUS_I_ATTR_DIRTY, &hip->flags)) {
305                 if (sbi->attr_tree) {
306                         error2 =
307                                 filemap_write_and_wait(
308                                             sbi->attr_tree->inode->i_mapping);
309                         if (!error)
310                                 error = error2;
311                 } else {
312                         pr_err("sync non-existent attributes tree\n");
313                 }
314         }
315 
316         if (test_and_clear_bit(HFSPLUS_I_ALLOC_DIRTY, &hip->flags)) {
317                 error2 = filemap_write_and_wait(sbi->alloc_file->i_mapping);
318                 if (!error)
319                         error = error2;
320         }
321 
322         if (!test_bit(HFSPLUS_SB_NOBARRIER, &sbi->flags))
323                 blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL);
324 
325         inode_unlock(inode);
326 
327         return error;
328 }
329 
330 static const struct inode_operations hfsplus_file_inode_operations = {
331         .setattr        = hfsplus_setattr,
332         .listxattr      = hfsplus_listxattr,
333 };
334 
335 static const struct file_operations hfsplus_file_operations = {
336         .llseek         = generic_file_llseek,
337         .read_iter      = generic_file_read_iter,
338         .write_iter     = generic_file_write_iter,
339         .mmap           = generic_file_mmap,
340         .splice_read    = generic_file_splice_read,
341         .fsync          = hfsplus_file_fsync,
342         .open           = hfsplus_file_open,
343         .release        = hfsplus_file_release,
344         .unlocked_ioctl = hfsplus_ioctl,
345 };
346 
347 struct inode *hfsplus_new_inode(struct super_block *sb, struct inode *dir,
348                                 umode_t mode)
349 {
350         struct hfsplus_sb_info *sbi = HFSPLUS_SB(sb);
351         struct inode *inode = new_inode(sb);
352         struct hfsplus_inode_info *hip;
353 
354         if (!inode)
355                 return NULL;
356 
357         inode->i_ino = sbi->next_cnid++;
358         inode_init_owner(inode, dir, mode);
359         set_nlink(inode, 1);
360         inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode);
361 
362         hip = HFSPLUS_I(inode);
363         INIT_LIST_HEAD(&hip->open_dir_list);
364         spin_lock_init(&hip->open_dir_lock);
365         mutex_init(&hip->extents_lock);
366         atomic_set(&hip->opencnt, 0);
367         hip->extent_state = 0;
368         hip->flags = 0;
369         hip->userflags = 0;
370         hip->subfolders = 0;
371         memset(hip->first_extents, 0, sizeof(hfsplus_extent_rec));
372         memset(hip->cached_extents, 0, sizeof(hfsplus_extent_rec));
373         hip->alloc_blocks = 0;
374         hip->first_blocks = 0;
375         hip->cached_start = 0;
376         hip->cached_blocks = 0;
377         hip->phys_size = 0;
378         hip->fs_blocks = 0;
379         hip->rsrc_inode = NULL;
380         if (S_ISDIR(inode->i_mode)) {
381                 inode->i_size = 2;
382                 sbi->folder_count++;
383                 inode->i_op = &hfsplus_dir_inode_operations;
384                 inode->i_fop = &hfsplus_dir_operations;
385         } else if (S_ISREG(inode->i_mode)) {
386                 sbi->file_count++;
387                 inode->i_op = &hfsplus_file_inode_operations;
388                 inode->i_fop = &hfsplus_file_operations;
389                 inode->i_mapping->a_ops = &hfsplus_aops;
390                 hip->clump_blocks = sbi->data_clump_blocks;
391         } else if (S_ISLNK(inode->i_mode)) {
392                 sbi->file_count++;
393                 inode->i_op = &page_symlink_inode_operations;
394                 inode_nohighmem(inode);
395                 inode->i_mapping->a_ops = &hfsplus_aops;
396                 hip->clump_blocks = 1;
397         } else
398                 sbi->file_count++;
399         insert_inode_hash(inode);
400         mark_inode_dirty(inode);
401         hfsplus_mark_mdb_dirty(sb);
402 
403         return inode;
404 }
405 
406 void hfsplus_delete_inode(struct inode *inode)
407 {
408         struct super_block *sb = inode->i_sb;
409 
410         if (S_ISDIR(inode->i_mode)) {
411                 HFSPLUS_SB(sb)->folder_count--;
412                 hfsplus_mark_mdb_dirty(sb);
413                 return;
414         }
415         HFSPLUS_SB(sb)->file_count--;
416         if (S_ISREG(inode->i_mode)) {
417                 if (!inode->i_nlink) {
418                         inode->i_size = 0;
419                         hfsplus_file_truncate(inode);
420                 }
421         } else if (S_ISLNK(inode->i_mode)) {
422                 inode->i_size = 0;
423                 hfsplus_file_truncate(inode);
424         }
425         hfsplus_mark_mdb_dirty(sb);
426 }
427 
428 void hfsplus_inode_read_fork(struct inode *inode, struct hfsplus_fork_raw *fork)
429 {
430         struct super_block *sb = inode->i_sb;
431         struct hfsplus_sb_info *sbi = HFSPLUS_SB(sb);
432         struct hfsplus_inode_info *hip = HFSPLUS_I(inode);
433         u32 count;
434         int i;
435 
436         memcpy(&hip->first_extents, &fork->extents, sizeof(hfsplus_extent_rec));
437         for (count = 0, i = 0; i < 8; i++)
438                 count += be32_to_cpu(fork->extents[i].block_count);
439         hip->first_blocks = count;
440         memset(hip->cached_extents, 0, sizeof(hfsplus_extent_rec));
441         hip->cached_start = 0;
442         hip->cached_blocks = 0;
443 
444         hip->alloc_blocks = be32_to_cpu(fork->total_blocks);
445         hip->phys_size = inode->i_size = be64_to_cpu(fork->total_size);
446         hip->fs_blocks =
447                 (inode->i_size + sb->s_blocksize - 1) >> sb->s_blocksize_bits;
448         inode_set_bytes(inode, hip->fs_blocks << sb->s_blocksize_bits);
449         hip->clump_blocks =
450                 be32_to_cpu(fork->clump_size) >> sbi->alloc_blksz_shift;
451         if (!hip->clump_blocks) {
452                 hip->clump_blocks = HFSPLUS_IS_RSRC(inode) ?
453                         sbi->rsrc_clump_blocks :
454                         sbi->data_clump_blocks;
455         }
456 }
457 
458 void hfsplus_inode_write_fork(struct inode *inode,
459                 struct hfsplus_fork_raw *fork)
460 {
461         memcpy(&fork->extents, &HFSPLUS_I(inode)->first_extents,
462                sizeof(hfsplus_extent_rec));
463         fork->total_size = cpu_to_be64(inode->i_size);
464         fork->total_blocks = cpu_to_be32(HFSPLUS_I(inode)->alloc_blocks);
465 }
466 
467 int hfsplus_cat_read_inode(struct inode *inode, struct hfs_find_data *fd)
468 {
469         hfsplus_cat_entry entry;
470         int res = 0;
471         u16 type;
472 
473         type = hfs_bnode_read_u16(fd->bnode, fd->entryoffset);
474 
475         HFSPLUS_I(inode)->linkid = 0;
476         if (type == HFSPLUS_FOLDER) {
477                 struct hfsplus_cat_folder *folder = &entry.folder;
478 
479                 if (fd->entrylength < sizeof(struct hfsplus_cat_folder))
480                         /* panic? */;
481                 hfs_bnode_read(fd->bnode, &entry, fd->entryoffset,
482                                         sizeof(struct hfsplus_cat_folder));
483                 hfsplus_get_perms(inode, &folder->permissions, 1);
484                 set_nlink(inode, 1);
485                 inode->i_size = 2 + be32_to_cpu(folder->valence);
486                 inode->i_atime = timespec_to_timespec64(hfsp_mt2ut(folder->access_date));
487                 inode->i_mtime = timespec_to_timespec64(hfsp_mt2ut(folder->content_mod_date));
488                 inode->i_ctime = timespec_to_timespec64(hfsp_mt2ut(folder->attribute_mod_date));
489                 HFSPLUS_I(inode)->create_date = folder->create_date;
490                 HFSPLUS_I(inode)->fs_blocks = 0;
491                 if (folder->flags & cpu_to_be16(HFSPLUS_HAS_FOLDER_COUNT)) {
492                         HFSPLUS_I(inode)->subfolders =
493                                 be32_to_cpu(folder->subfolders);
494                 }
495                 inode->i_op = &hfsplus_dir_inode_operations;
496                 inode->i_fop = &hfsplus_dir_operations;
497         } else if (type == HFSPLUS_FILE) {
498                 struct hfsplus_cat_file *file = &entry.file;
499 
500                 if (fd->entrylength < sizeof(struct hfsplus_cat_file))
501                         /* panic? */;
502                 hfs_bnode_read(fd->bnode, &entry, fd->entryoffset,
503                                         sizeof(struct hfsplus_cat_file));
504 
505                 hfsplus_inode_read_fork(inode, HFSPLUS_IS_RSRC(inode) ?
506                                         &file->rsrc_fork : &file->data_fork);
507                 hfsplus_get_perms(inode, &file->permissions, 0);
508                 set_nlink(inode, 1);
509                 if (S_ISREG(inode->i_mode)) {
510                         if (file->permissions.dev)
511                                 set_nlink(inode,
512                                           be32_to_cpu(file->permissions.dev));
513                         inode->i_op = &hfsplus_file_inode_operations;
514                         inode->i_fop = &hfsplus_file_operations;
515                         inode->i_mapping->a_ops = &hfsplus_aops;
516                 } else if (S_ISLNK(inode->i_mode)) {
517                         inode->i_op = &page_symlink_inode_operations;
518                         inode_nohighmem(inode);
519                         inode->i_mapping->a_ops = &hfsplus_aops;
520                 } else {
521                         init_special_inode(inode, inode->i_mode,
522                                            be32_to_cpu(file->permissions.dev));
523                 }
524                 inode->i_atime = timespec_to_timespec64(hfsp_mt2ut(file->access_date));
525                 inode->i_mtime = timespec_to_timespec64(hfsp_mt2ut(file->content_mod_date));
526                 inode->i_ctime = timespec_to_timespec64(hfsp_mt2ut(file->attribute_mod_date));
527                 HFSPLUS_I(inode)->create_date = file->create_date;
528         } else {
529                 pr_err("bad catalog entry used to create inode\n");
530                 res = -EIO;
531         }
532         return res;
533 }
534 
535 int hfsplus_cat_write_inode(struct inode *inode)
536 {
537         struct inode *main_inode = inode;
538         struct hfs_find_data fd;
539         hfsplus_cat_entry entry;
540 
541         if (HFSPLUS_IS_RSRC(inode))
542                 main_inode = HFSPLUS_I(inode)->rsrc_inode;
543 
544         if (!main_inode->i_nlink)
545                 return 0;
546 
547         if (hfs_find_init(HFSPLUS_SB(main_inode->i_sb)->cat_tree, &fd))
548                 /* panic? */
549                 return -EIO;
550 
551         if (hfsplus_find_cat(main_inode->i_sb, main_inode->i_ino, &fd))
552                 /* panic? */
553                 goto out;
554 
555         if (S_ISDIR(main_inode->i_mode)) {
556                 struct hfsplus_cat_folder *folder = &entry.folder;
557 
558                 if (fd.entrylength < sizeof(struct hfsplus_cat_folder))
559                         /* panic? */;
560                 hfs_bnode_read(fd.bnode, &entry, fd.entryoffset,
561                                         sizeof(struct hfsplus_cat_folder));
562                 /* simple node checks? */
563                 hfsplus_cat_set_perms(inode, &folder->permissions);
564                 folder->access_date = hfsp_ut2mt(inode->i_atime);
565                 folder->content_mod_date = hfsp_ut2mt(inode->i_mtime);
566                 folder->attribute_mod_date = hfsp_ut2mt(inode->i_ctime);
567                 folder->valence = cpu_to_be32(inode->i_size - 2);
568                 if (folder->flags & cpu_to_be16(HFSPLUS_HAS_FOLDER_COUNT)) {
569                         folder->subfolders =
570                                 cpu_to_be32(HFSPLUS_I(inode)->subfolders);
571                 }
572                 hfs_bnode_write(fd.bnode, &entry, fd.entryoffset,
573                                          sizeof(struct hfsplus_cat_folder));
574         } else if (HFSPLUS_IS_RSRC(inode)) {
575                 struct hfsplus_cat_file *file = &entry.file;
576                 hfs_bnode_read(fd.bnode, &entry, fd.entryoffset,
577                                sizeof(struct hfsplus_cat_file));
578                 hfsplus_inode_write_fork(inode, &file->rsrc_fork);
579                 hfs_bnode_write(fd.bnode, &entry, fd.entryoffset,
580                                 sizeof(struct hfsplus_cat_file));
581         } else {
582                 struct hfsplus_cat_file *file = &entry.file;
583 
584                 if (fd.entrylength < sizeof(struct hfsplus_cat_file))
585                         /* panic? */;
586                 hfs_bnode_read(fd.bnode, &entry, fd.entryoffset,
587                                         sizeof(struct hfsplus_cat_file));
588                 hfsplus_inode_write_fork(inode, &file->data_fork);
589                 hfsplus_cat_set_perms(inode, &file->permissions);
590                 if (HFSPLUS_FLG_IMMUTABLE &
591                                 (file->permissions.rootflags |
592                                         file->permissions.userflags))
593                         file->flags |= cpu_to_be16(HFSPLUS_FILE_LOCKED);
594                 else
595                         file->flags &= cpu_to_be16(~HFSPLUS_FILE_LOCKED);
596                 file->access_date = hfsp_ut2mt(inode->i_atime);
597                 file->content_mod_date = hfsp_ut2mt(inode->i_mtime);
598                 file->attribute_mod_date = hfsp_ut2mt(inode->i_ctime);
599                 hfs_bnode_write(fd.bnode, &entry, fd.entryoffset,
600                                          sizeof(struct hfsplus_cat_file));
601         }
602 
603         set_bit(HFSPLUS_I_CAT_DIRTY, &HFSPLUS_I(inode)->flags);
604 out:
605         hfs_find_exit(&fd);
606         return 0;
607 }
608 

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