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

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  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/aio.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 = 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                 truncate_setsize(inode, attr->ia_size);
258                 hfsplus_file_truncate(inode);
259         }
260 
261         setattr_copy(inode, attr);
262         mark_inode_dirty(inode);
263 
264         if (attr->ia_valid & ATTR_MODE) {
265                 error = posix_acl_chmod(inode, inode->i_mode);
266                 if (unlikely(error))
267                         return error;
268         }
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 = filemap_write_and_wait_range(inode->i_mapping, start, end);
282         if (error)
283                 return error;
284         mutex_lock(&inode->i_mutex);
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         mutex_unlock(&inode->i_mutex);
326 
327         return error;
328 }
329 
330 static const struct inode_operations hfsplus_file_inode_operations = {
331         .setattr        = hfsplus_setattr,
332         .setxattr       = generic_setxattr,
333         .getxattr       = generic_getxattr,
334         .listxattr      = hfsplus_listxattr,
335         .removexattr    = generic_removexattr,
336 #ifdef CONFIG_HFSPLUS_FS_POSIX_ACL
337         .get_acl        = hfsplus_get_posix_acl,
338         .set_acl        = hfsplus_set_posix_acl,
339 #endif
340 };
341 
342 static const struct file_operations hfsplus_file_operations = {
343         .llseek         = generic_file_llseek,
344         .read           = new_sync_read,
345         .read_iter      = generic_file_read_iter,
346         .write          = new_sync_write,
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_SEC;
371 
372         hip = HFSPLUS_I(inode);
373         INIT_LIST_HEAD(&hip->open_dir_list);
374         mutex_init(&hip->extents_lock);
375         atomic_set(&hip->opencnt, 0);
376         hip->extent_state = 0;
377         hip->flags = 0;
378         hip->userflags = 0;
379         hip->subfolders = 0;
380         memset(hip->first_extents, 0, sizeof(hfsplus_extent_rec));
381         memset(hip->cached_extents, 0, sizeof(hfsplus_extent_rec));
382         hip->alloc_blocks = 0;
383         hip->first_blocks = 0;
384         hip->cached_start = 0;
385         hip->cached_blocks = 0;
386         hip->phys_size = 0;
387         hip->fs_blocks = 0;
388         hip->rsrc_inode = NULL;
389         if (S_ISDIR(inode->i_mode)) {
390                 inode->i_size = 2;
391                 sbi->folder_count++;
392                 inode->i_op = &hfsplus_dir_inode_operations;
393                 inode->i_fop = &hfsplus_dir_operations;
394         } else if (S_ISREG(inode->i_mode)) {
395                 sbi->file_count++;
396                 inode->i_op = &hfsplus_file_inode_operations;
397                 inode->i_fop = &hfsplus_file_operations;
398                 inode->i_mapping->a_ops = &hfsplus_aops;
399                 hip->clump_blocks = sbi->data_clump_blocks;
400         } else if (S_ISLNK(inode->i_mode)) {
401                 sbi->file_count++;
402                 inode->i_op = &page_symlink_inode_operations;
403                 inode->i_mapping->a_ops = &hfsplus_aops;
404                 hip->clump_blocks = 1;
405         } else
406                 sbi->file_count++;
407         insert_inode_hash(inode);
408         mark_inode_dirty(inode);
409         hfsplus_mark_mdb_dirty(sb);
410 
411         return inode;
412 }
413 
414 void hfsplus_delete_inode(struct inode *inode)
415 {
416         struct super_block *sb = inode->i_sb;
417 
418         if (S_ISDIR(inode->i_mode)) {
419                 HFSPLUS_SB(sb)->folder_count--;
420                 hfsplus_mark_mdb_dirty(sb);
421                 return;
422         }
423         HFSPLUS_SB(sb)->file_count--;
424         if (S_ISREG(inode->i_mode)) {
425                 if (!inode->i_nlink) {
426                         inode->i_size = 0;
427                         hfsplus_file_truncate(inode);
428                 }
429         } else if (S_ISLNK(inode->i_mode)) {
430                 inode->i_size = 0;
431                 hfsplus_file_truncate(inode);
432         }
433         hfsplus_mark_mdb_dirty(sb);
434 }
435 
436 void hfsplus_inode_read_fork(struct inode *inode, struct hfsplus_fork_raw *fork)
437 {
438         struct super_block *sb = inode->i_sb;
439         struct hfsplus_sb_info *sbi = HFSPLUS_SB(sb);
440         struct hfsplus_inode_info *hip = HFSPLUS_I(inode);
441         u32 count;
442         int i;
443 
444         memcpy(&hip->first_extents, &fork->extents, sizeof(hfsplus_extent_rec));
445         for (count = 0, i = 0; i < 8; i++)
446                 count += be32_to_cpu(fork->extents[i].block_count);
447         hip->first_blocks = count;
448         memset(hip->cached_extents, 0, sizeof(hfsplus_extent_rec));
449         hip->cached_start = 0;
450         hip->cached_blocks = 0;
451 
452         hip->alloc_blocks = be32_to_cpu(fork->total_blocks);
453         hip->phys_size = inode->i_size = be64_to_cpu(fork->total_size);
454         hip->fs_blocks =
455                 (inode->i_size + sb->s_blocksize - 1) >> sb->s_blocksize_bits;
456         inode_set_bytes(inode, hip->fs_blocks << sb->s_blocksize_bits);
457         hip->clump_blocks =
458                 be32_to_cpu(fork->clump_size) >> sbi->alloc_blksz_shift;
459         if (!hip->clump_blocks) {
460                 hip->clump_blocks = HFSPLUS_IS_RSRC(inode) ?
461                         sbi->rsrc_clump_blocks :
462                         sbi->data_clump_blocks;
463         }
464 }
465 
466 void hfsplus_inode_write_fork(struct inode *inode,
467                 struct hfsplus_fork_raw *fork)
468 {
469         memcpy(&fork->extents, &HFSPLUS_I(inode)->first_extents,
470                sizeof(hfsplus_extent_rec));
471         fork->total_size = cpu_to_be64(inode->i_size);
472         fork->total_blocks = cpu_to_be32(HFSPLUS_I(inode)->alloc_blocks);
473 }
474 
475 int hfsplus_cat_read_inode(struct inode *inode, struct hfs_find_data *fd)
476 {
477         hfsplus_cat_entry entry;
478         int res = 0;
479         u16 type;
480 
481         type = hfs_bnode_read_u16(fd->bnode, fd->entryoffset);
482 
483         HFSPLUS_I(inode)->linkid = 0;
484         if (type == HFSPLUS_FOLDER) {
485                 struct hfsplus_cat_folder *folder = &entry.folder;
486 
487                 if (fd->entrylength < sizeof(struct hfsplus_cat_folder))
488                         /* panic? */;
489                 hfs_bnode_read(fd->bnode, &entry, fd->entryoffset,
490                                         sizeof(struct hfsplus_cat_folder));
491                 hfsplus_get_perms(inode, &folder->permissions, 1);
492                 set_nlink(inode, 1);
493                 inode->i_size = 2 + be32_to_cpu(folder->valence);
494                 inode->i_atime = hfsp_mt2ut(folder->access_date);
495                 inode->i_mtime = hfsp_mt2ut(folder->content_mod_date);
496                 inode->i_ctime = hfsp_mt2ut(folder->attribute_mod_date);
497                 HFSPLUS_I(inode)->create_date = folder->create_date;
498                 HFSPLUS_I(inode)->fs_blocks = 0;
499                 if (folder->flags & cpu_to_be16(HFSPLUS_HAS_FOLDER_COUNT)) {
500                         HFSPLUS_I(inode)->subfolders =
501                                 be32_to_cpu(folder->subfolders);
502                 }
503                 inode->i_op = &hfsplus_dir_inode_operations;
504                 inode->i_fop = &hfsplus_dir_operations;
505         } else if (type == HFSPLUS_FILE) {
506                 struct hfsplus_cat_file *file = &entry.file;
507 
508                 if (fd->entrylength < sizeof(struct hfsplus_cat_file))
509                         /* panic? */;
510                 hfs_bnode_read(fd->bnode, &entry, fd->entryoffset,
511                                         sizeof(struct hfsplus_cat_file));
512 
513                 hfsplus_inode_read_fork(inode, HFSPLUS_IS_RSRC(inode) ?
514                                         &file->rsrc_fork : &file->data_fork);
515                 hfsplus_get_perms(inode, &file->permissions, 0);
516                 set_nlink(inode, 1);
517                 if (S_ISREG(inode->i_mode)) {
518                         if (file->permissions.dev)
519                                 set_nlink(inode,
520                                           be32_to_cpu(file->permissions.dev));
521                         inode->i_op = &hfsplus_file_inode_operations;
522                         inode->i_fop = &hfsplus_file_operations;
523                         inode->i_mapping->a_ops = &hfsplus_aops;
524                 } else if (S_ISLNK(inode->i_mode)) {
525                         inode->i_op = &page_symlink_inode_operations;
526                         inode->i_mapping->a_ops = &hfsplus_aops;
527                 } else {
528                         init_special_inode(inode, inode->i_mode,
529                                            be32_to_cpu(file->permissions.dev));
530                 }
531                 inode->i_atime = hfsp_mt2ut(file->access_date);
532                 inode->i_mtime = hfsp_mt2ut(file->content_mod_date);
533                 inode->i_ctime = hfsp_mt2ut(file->attribute_mod_date);
534                 HFSPLUS_I(inode)->create_date = file->create_date;
535         } else {
536                 pr_err("bad catalog entry used to create inode\n");
537                 res = -EIO;
538         }
539         return res;
540 }
541 
542 int hfsplus_cat_write_inode(struct inode *inode)
543 {
544         struct inode *main_inode = inode;
545         struct hfs_find_data fd;
546         hfsplus_cat_entry entry;
547 
548         if (HFSPLUS_IS_RSRC(inode))
549                 main_inode = HFSPLUS_I(inode)->rsrc_inode;
550 
551         if (!main_inode->i_nlink)
552                 return 0;
553 
554         if (hfs_find_init(HFSPLUS_SB(main_inode->i_sb)->cat_tree, &fd))
555                 /* panic? */
556                 return -EIO;
557 
558         if (hfsplus_find_cat(main_inode->i_sb, main_inode->i_ino, &fd))
559                 /* panic? */
560                 goto out;
561 
562         if (S_ISDIR(main_inode->i_mode)) {
563                 struct hfsplus_cat_folder *folder = &entry.folder;
564 
565                 if (fd.entrylength < sizeof(struct hfsplus_cat_folder))
566                         /* panic? */;
567                 hfs_bnode_read(fd.bnode, &entry, fd.entryoffset,
568                                         sizeof(struct hfsplus_cat_folder));
569                 /* simple node checks? */
570                 hfsplus_cat_set_perms(inode, &folder->permissions);
571                 folder->access_date = hfsp_ut2mt(inode->i_atime);
572                 folder->content_mod_date = hfsp_ut2mt(inode->i_mtime);
573                 folder->attribute_mod_date = hfsp_ut2mt(inode->i_ctime);
574                 folder->valence = cpu_to_be32(inode->i_size - 2);
575                 if (folder->flags & cpu_to_be16(HFSPLUS_HAS_FOLDER_COUNT)) {
576                         folder->subfolders =
577                                 cpu_to_be32(HFSPLUS_I(inode)->subfolders);
578                 }
579                 hfs_bnode_write(fd.bnode, &entry, fd.entryoffset,
580                                          sizeof(struct hfsplus_cat_folder));
581         } else if (HFSPLUS_IS_RSRC(inode)) {
582                 struct hfsplus_cat_file *file = &entry.file;
583                 hfs_bnode_read(fd.bnode, &entry, fd.entryoffset,
584                                sizeof(struct hfsplus_cat_file));
585                 hfsplus_inode_write_fork(inode, &file->rsrc_fork);
586                 hfs_bnode_write(fd.bnode, &entry, fd.entryoffset,
587                                 sizeof(struct hfsplus_cat_file));
588         } else {
589                 struct hfsplus_cat_file *file = &entry.file;
590 
591                 if (fd.entrylength < sizeof(struct hfsplus_cat_file))
592                         /* panic? */;
593                 hfs_bnode_read(fd.bnode, &entry, fd.entryoffset,
594                                         sizeof(struct hfsplus_cat_file));
595                 hfsplus_inode_write_fork(inode, &file->data_fork);
596                 hfsplus_cat_set_perms(inode, &file->permissions);
597                 if (HFSPLUS_FLG_IMMUTABLE &
598                                 (file->permissions.rootflags |
599                                         file->permissions.userflags))
600                         file->flags |= cpu_to_be16(HFSPLUS_FILE_LOCKED);
601                 else
602                         file->flags &= cpu_to_be16(~HFSPLUS_FILE_LOCKED);
603                 file->access_date = hfsp_ut2mt(inode->i_atime);
604                 file->content_mod_date = hfsp_ut2mt(inode->i_mtime);
605                 file->attribute_mod_date = hfsp_ut2mt(inode->i_ctime);
606                 hfs_bnode_write(fd.bnode, &entry, fd.entryoffset,
607                                          sizeof(struct hfsplus_cat_file));
608         }
609 
610         set_bit(HFSPLUS_I_CAT_DIRTY, &HFSPLUS_I(inode)->flags);
611 out:
612         hfs_find_exit(&fd);
613         return 0;
614 }
615 

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