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/mm.h>
  12 #include <linux/fs.h>
  13 #include <linux/pagemap.h>
  14 #include <linux/mpage.h>
  15
  16 #include "hfsplus_fs.h"
  17 #include "hfsplus_raw.h"
  18
  19 static int hfsplus_readpage(struct file *file, struct page *page)
  20 {
  21         return block_read_full_page(page, hfsplus_get_block);
  22 }
  23
  24 static int hfsplus_writepage(struct page *page, struct writeback_control *wbc)
  25 {
  26         return block_write_full_page(page, hfsplus_get_block, wbc);
  27 }
  28
  29 static int hfsplus_prepare_write(struct file *file, struct page *page, unsigned from, unsigned to)
  30 {
  31         return cont_prepare_write(page, from, to, hfsplus_get_block,
  32                 &HFSPLUS_I(page->mapping->host).phys_size);
  33 }
  34
  35 static sector_t hfsplus_bmap(struct address_space *mapping, sector_t block)
  36 {
  37         return generic_block_bmap(mapping, block, hfsplus_get_block);
  38 }
  39
  40 static int hfsplus_releasepage(struct page *page, gfp_t mask)
  41 {
  42         struct inode *inode = page->mapping->host;
  43         struct super_block *sb = inode->i_sb;
  44         struct hfs_btree *tree;
  45         struct hfs_bnode *node;
  46         u32 nidx;
  47         int i, res = 1;
  48
  49         switch (inode->i_ino) {
  50         case HFSPLUS_EXT_CNID:
  51                 tree = HFSPLUS_SB(sb).ext_tree;
  52                 break;
  53         case HFSPLUS_CAT_CNID:
  54                 tree = HFSPLUS_SB(sb).cat_tree;
  55                 break;
  56         case HFSPLUS_ATTR_CNID:
  57                 tree = HFSPLUS_SB(sb).attr_tree;
  58                 break;
  59         default:
  60                 BUG();
  61                 return 0;
  62         }
  63         if (tree->node_size >= PAGE_CACHE_SIZE) {
  64                 nidx = page->index >> (tree->node_size_shift - PAGE_CACHE_SHIFT);
  65                 spin_lock(&tree->hash_lock);
  66                 node = hfs_bnode_findhash(tree, nidx);
  67                 if (!node)
  68                         ;
  69                 else if (atomic_read(&node->refcnt))
  70                         res = 0;
  71                 if (res && node) {
  72                         hfs_bnode_unhash(node);
  73                         hfs_bnode_free(node);
  74                 }
  75                 spin_unlock(&tree->hash_lock);
  76         } else {
  77                 nidx = page->index << (PAGE_CACHE_SHIFT - tree->node_size_shift);
  78                 i = 1 << (PAGE_CACHE_SHIFT - tree->node_size_shift);
  79                 spin_lock(&tree->hash_lock);
  80                 do {
  81                         node = hfs_bnode_findhash(tree, nidx++);
  82                         if (!node)
  83                                 continue;
  84                         if (atomic_read(&node->refcnt)) {
  85                                 res = 0;
  86                                 break;
  87                         }
  88                         hfs_bnode_unhash(node);
  89                         hfs_bnode_free(node);
  90                 } while (--i && nidx < tree->node_count);
  91                 spin_unlock(&tree->hash_lock);
  92         }
  93         return res ? try_to_free_buffers(page) : 0;
  94 }
  95
  96 #ifdef CONFIG_DIRECTIO
  97 static ssize_t hfsplus_direct_IO(int rw, struct kiocb *iocb,
  98                 const struct iovec *iov, loff_t offset, unsigned long nr_segs)
  99 {
 100         struct file *file = iocb->ki_filp;
 101         struct inode *inode = file->f_dentry->d_inode->i_mapping->host;
 102
 103         return blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iov,
 104                                   offset, nr_segs, hfsplus_get_block, NULL);
 105 }
 106 #endif
 107
 108 static int hfsplus_writepages(struct address_space *mapping,
 109                               struct writeback_control *wbc)
 110 {
 111         return mpage_writepages(mapping, wbc, hfsplus_get_block);
 112 }
 113
 114 const struct address_space_operations hfsplus_btree_aops = {
 115         .readpage       = hfsplus_readpage,
 116         .writepage      = hfsplus_writepage,
 117         .sync_page      = block_sync_page,
 118         .prepare_write  = hfsplus_prepare_write,
 119         .commit_write   = generic_commit_write,
 120         .bmap           = hfsplus_bmap,
 121         .releasepage    = hfsplus_releasepage,
 122 };
 123
 124 const struct address_space_operations hfsplus_aops = {
 125         .readpage       = hfsplus_readpage,
 126         .writepage      = hfsplus_writepage,
 127         .sync_page      = block_sync_page,
 128         .prepare_write  = hfsplus_prepare_write,
 129         .commit_write   = generic_commit_write,
 130         .bmap           = hfsplus_bmap,
 131 #ifdef CONFIG_DIRECTIO
 132         .direct_IO      = hfsplus_direct_IO,
 133 #endif
 134         .writepages     = hfsplus_writepages,
 135 };
 136
 137 static struct dentry *hfsplus_file_lookup(struct inode *dir, struct dentry *dentry,
 138                                           struct nameidata *nd)
 139 {
 140         struct hfs_find_data fd;
 141         struct super_block *sb = dir->i_sb;
 142         struct inode *inode = NULL;
 143         int err;
 144
 145         if (HFSPLUS_IS_RSRC(dir) || strcmp(dentry->d_name.name, "rsrc"))
 146                 goto out;
 147
 148         inode = HFSPLUS_I(dir).rsrc_inode;
 149         if (inode)
 150                 goto out;
 151
 152         inode = new_inode(sb);
 153         if (!inode)
 154                 return ERR_PTR(-ENOMEM);
 155
 156         inode->i_ino = dir->i_ino;
 157         INIT_LIST_HEAD(&HFSPLUS_I(inode).open_dir_list);
 158         init_MUTEX(&HFSPLUS_I(inode).extents_lock);
 159         HFSPLUS_I(inode).flags = HFSPLUS_FLG_RSRC;
 160
 161         hfs_find_init(HFSPLUS_SB(sb).cat_tree, &fd);
 162         err = hfsplus_find_cat(sb, dir->i_ino, &fd);
 163         if (!err)
 164                 err = hfsplus_cat_read_inode(inode, &fd);
 165         hfs_find_exit(&fd);
 166         if (err) {
 167                 iput(inode);
 168                 return ERR_PTR(err);
 169         }
 170         HFSPLUS_I(inode).rsrc_inode = dir;
 171         HFSPLUS_I(dir).rsrc_inode = inode;
 172         igrab(dir);
 173         hlist_add_head(&inode->i_hash, &HFSPLUS_SB(sb).rsrc_inodes);
 174         mark_inode_dirty(inode);
 175 out:
 176         d_add(dentry, inode);
 177         return NULL;
 178 }
 179
 180 static void hfsplus_get_perms(struct inode *inode, struct hfsplus_perm *perms, int dir)
 181 {
 182         struct super_block *sb = inode->i_sb;
 183         u16 mode;
 184
 185         mode = be16_to_cpu(perms->mode);
 186
 187         inode->i_uid = be32_to_cpu(perms->owner);
 188         if (!inode->i_uid && !mode)
 189                 inode->i_uid = HFSPLUS_SB(sb).uid;
 190
 191         inode->i_gid = be32_to_cpu(perms->group);
 192         if (!inode->i_gid && !mode)
 193                 inode->i_gid = HFSPLUS_SB(sb).gid;
 194
 195         if (dir) {
 196                 mode = mode ? (mode & S_IALLUGO) :
 197                         (S_IRWXUGO & ~(HFSPLUS_SB(sb).umask));
 198                 mode |= S_IFDIR;
 199         } else if (!mode)
 200                 mode = S_IFREG | ((S_IRUGO|S_IWUGO) &
 201                         ~(HFSPLUS_SB(sb).umask));
 202         inode->i_mode = mode;
 203
 204         HFSPLUS_I(inode).rootflags = perms->rootflags;
 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 void hfsplus_set_perms(struct inode *inode, struct hfsplus_perm *perms)
 217 {
 218         if (inode->i_flags & S_IMMUTABLE)
 219                 perms->rootflags |= HFSPLUS_FLG_IMMUTABLE;
 220         else
 221                 perms->rootflags &= ~HFSPLUS_FLG_IMMUTABLE;
 222         if (inode->i_flags & S_APPEND)
 223                 perms->rootflags |= HFSPLUS_FLG_APPEND;
 224         else
 225                 perms->rootflags &= ~HFSPLUS_FLG_APPEND;
 226         perms->userflags = HFSPLUS_I(inode).userflags;
 227         perms->mode = cpu_to_be16(inode->i_mode);
 228         perms->owner = cpu_to_be32(inode->i_uid);
 229         perms->group = cpu_to_be32(inode->i_gid);
 230         perms->dev = cpu_to_be32(HFSPLUS_I(inode).dev);
 231 }
 232
 233 static int hfsplus_permission(struct inode *inode, int mask, struct nameidata *nd)
 234 {
 235         /* MAY_EXEC is also used for lookup, if no x bit is set allow lookup,
 236          * open_exec has the same test, so it's still not executable, if a x bit
 237          * is set fall back to standard permission check.
 238          */
 239         if (S_ISREG(inode->i_mode) && mask & MAY_EXEC && !(inode->i_mode & 0111))
 240                 return 0;
 241         return generic_permission(inode, mask, NULL);
 242 }
 243
 244
 245 static int hfsplus_file_open(struct inode *inode, struct file *file)
 246 {
 247         if (HFSPLUS_IS_RSRC(inode))
 248                 inode = HFSPLUS_I(inode).rsrc_inode;
 249         if (atomic_read(&file->f_count) != 1)
 250                 return 0;
 251         atomic_inc(&HFSPLUS_I(inode).opencnt);
 252         return 0;
 253 }
 254
 255 static int hfsplus_file_release(struct inode *inode, struct file *file)
 256 {
 257         struct super_block *sb = inode->i_sb;
 258
 259         if (HFSPLUS_IS_RSRC(inode))
 260                 inode = HFSPLUS_I(inode).rsrc_inode;
 261         if (atomic_read(&file->f_count) != 0)
 262                 return 0;
 263         if (atomic_dec_and_test(&HFSPLUS_I(inode).opencnt)) {
 264                 mutex_lock(&inode->i_mutex);
 265                 hfsplus_file_truncate(inode);
 266                 if (inode->i_flags & S_DEAD) {
 267                         hfsplus_delete_cat(inode->i_ino, HFSPLUS_SB(sb).hidden_dir, NULL);
 268                         hfsplus_delete_inode(inode);
 269                 }
 270                 mutex_unlock(&inode->i_mutex);
 271         }
 272         return 0;
 273 }
 274
 275 extern struct inode_operations hfsplus_dir_inode_operations;
 276 extern struct file_operations hfsplus_dir_operations;
 277
 278 static struct inode_operations hfsplus_file_inode_operations = {
 279         .lookup         = hfsplus_file_lookup,
 280         .truncate       = hfsplus_file_truncate,
 281         .permission     = hfsplus_permission,
 282         .setxattr       = hfsplus_setxattr,
 283         .getxattr       = hfsplus_getxattr,
 284         .listxattr      = hfsplus_listxattr,
 285 };
 286
 287 static const struct file_operations hfsplus_file_operations = {
 288         .llseek         = generic_file_llseek,
 289         .read           = do_sync_read,
 290         .aio_read       = generic_file_aio_read,
 291         .write          = do_sync_write,
 292         .aio_write      = generic_file_aio_write,
 293         .mmap           = generic_file_mmap,
 294         .sendfile       = generic_file_sendfile,
 295         .fsync          = file_fsync,
 296         .open           = hfsplus_file_open,
 297         .release        = hfsplus_file_release,
 298         .ioctl          = hfsplus_ioctl,
 299 };
 300
 301 struct inode *hfsplus_new_inode(struct super_block *sb, int mode)
 302 {
 303         struct inode *inode = new_inode(sb);
 304         if (!inode)
 305                 return NULL;
 306
 307         inode->i_ino = HFSPLUS_SB(sb).next_cnid++;
 308         inode->i_mode = mode;
 309         inode->i_uid = current->fsuid;
 310         inode->i_gid = current->fsgid;
 311         inode->i_nlink = 1;
 312         inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC;
 313         INIT_LIST_HEAD(&HFSPLUS_I(inode).open_dir_list);
 314         init_MUTEX(&HFSPLUS_I(inode).extents_lock);
 315         atomic_set(&HFSPLUS_I(inode).opencnt, 0);
 316         HFSPLUS_I(inode).flags = 0;
 317         memset(HFSPLUS_I(inode).first_extents, 0, sizeof(hfsplus_extent_rec));
 318         memset(HFSPLUS_I(inode).cached_extents, 0, sizeof(hfsplus_extent_rec));
 319         HFSPLUS_I(inode).alloc_blocks = 0;
 320         HFSPLUS_I(inode).first_blocks = 0;
 321         HFSPLUS_I(inode).cached_start = 0;
 322         HFSPLUS_I(inode).cached_blocks = 0;
 323         HFSPLUS_I(inode).phys_size = 0;
 324         HFSPLUS_I(inode).fs_blocks = 0;
 325         HFSPLUS_I(inode).rsrc_inode = NULL;
 326         if (S_ISDIR(inode->i_mode)) {
 327                 inode->i_size = 2;
 328                 HFSPLUS_SB(sb).folder_count++;
 329                 inode->i_op = &hfsplus_dir_inode_operations;
 330                 inode->i_fop = &hfsplus_dir_operations;
 331         } else if (S_ISREG(inode->i_mode)) {
 332                 HFSPLUS_SB(sb).file_count++;
 333                 inode->i_op = &hfsplus_file_inode_operations;
 334                 inode->i_fop = &hfsplus_file_operations;
 335                 inode->i_mapping->a_ops = &hfsplus_aops;
 336                 HFSPLUS_I(inode).clump_blocks = HFSPLUS_SB(sb).data_clump_blocks;
 337         } else if (S_ISLNK(inode->i_mode)) {
 338                 HFSPLUS_SB(sb).file_count++;
 339                 inode->i_op = &page_symlink_inode_operations;
 340                 inode->i_mapping->a_ops = &hfsplus_aops;
 341                 HFSPLUS_I(inode).clump_blocks = 1;
 342         } else
 343                 HFSPLUS_SB(sb).file_count++;
 344         insert_inode_hash(inode);
 345         mark_inode_dirty(inode);
 346         sb->s_dirt = 1;
 347
 348         return inode;
 349 }
 350
 351 void hfsplus_delete_inode(struct inode *inode)
 352 {
 353         struct super_block *sb = inode->i_sb;
 354
 355         if (S_ISDIR(inode->i_mode)) {
 356                 HFSPLUS_SB(sb).folder_count--;
 357                 sb->s_dirt = 1;
 358                 return;
 359         }
 360         HFSPLUS_SB(sb).file_count--;
 361         if (S_ISREG(inode->i_mode)) {
 362                 if (!inode->i_nlink) {
 363                         inode->i_size = 0;
 364                         hfsplus_file_truncate(inode);
 365                 }
 366         } else if (S_ISLNK(inode->i_mode)) {
 367                 inode->i_size = 0;
 368                 hfsplus_file_truncate(inode);
 369         }
 370         sb->s_dirt = 1;
 371 }
 372
 373 void hfsplus_inode_read_fork(struct inode *inode, struct hfsplus_fork_raw *fork)
 374 {
 375         struct super_block *sb = inode->i_sb;
 376         u32 count;
 377         int i;
 378
 379         memcpy(&HFSPLUS_I(inode).first_extents, &fork->extents,
 380                sizeof(hfsplus_extent_rec));
 381         for (count = 0, i = 0; i < 8; i++)
 382                 count += be32_to_cpu(fork->extents[i].block_count);
 383         HFSPLUS_I(inode).first_blocks = count;
 384         memset(HFSPLUS_I(inode).cached_extents, 0, sizeof(hfsplus_extent_rec));
 385         HFSPLUS_I(inode).cached_start = 0;
 386         HFSPLUS_I(inode).cached_blocks = 0;
 387
 388         HFSPLUS_I(inode).alloc_blocks = be32_to_cpu(fork->total_blocks);
 389         inode->i_size = HFSPLUS_I(inode).phys_size = be64_to_cpu(fork->total_size);
 390         HFSPLUS_I(inode).fs_blocks = (inode->i_size + sb->s_blocksize - 1) >> sb->s_blocksize_bits;
 391         inode_set_bytes(inode, HFSPLUS_I(inode).fs_blocks << sb->s_blocksize_bits);
 392         HFSPLUS_I(inode).clump_blocks = be32_to_cpu(fork->clump_size) >> HFSPLUS_SB(sb).alloc_blksz_shift;
 393         if (!HFSPLUS_I(inode).clump_blocks)
 394                 HFSPLUS_I(inode).clump_blocks = HFSPLUS_IS_RSRC(inode) ? HFSPLUS_SB(sb).rsrc_clump_blocks :
 395                                 HFSPLUS_SB(sb).data_clump_blocks;
 396 }
 397
 398 void hfsplus_inode_write_fork(struct inode *inode, struct hfsplus_fork_raw *fork)
 399 {
 400         memcpy(&fork->extents, &HFSPLUS_I(inode).first_extents,
 401                sizeof(hfsplus_extent_rec));
 402         fork->total_size = cpu_to_be64(inode->i_size);
 403         fork->total_blocks = cpu_to_be32(HFSPLUS_I(inode).alloc_blocks);
 404 }
 405
 406 int hfsplus_cat_read_inode(struct inode *inode, struct hfs_find_data *fd)
 407 {
 408         hfsplus_cat_entry entry;
 409         int res = 0;
 410         u16 type;
 411
 412         type = hfs_bnode_read_u16(fd->bnode, fd->entryoffset);
 413
 414         HFSPLUS_I(inode).dev = 0;
 415         if (type == HFSPLUS_FOLDER) {
 416                 struct hfsplus_cat_folder *folder = &entry.folder;
 417
 418                 if (fd->entrylength < sizeof(struct hfsplus_cat_folder))
 419                         /* panic? */;
 420                 hfs_bnode_read(fd->bnode, &entry, fd->entryoffset,
 421                                         sizeof(struct hfsplus_cat_folder));
 422                 hfsplus_get_perms(inode, &folder->permissions, 1);
 423                 inode->i_nlink = 1;
 424                 inode->i_size = 2 + be32_to_cpu(folder->valence);
 425                 inode->i_atime = hfsp_mt2ut(folder->access_date);
 426                 inode->i_mtime = hfsp_mt2ut(folder->content_mod_date);
 427                 inode->i_ctime = hfsp_mt2ut(folder->attribute_mod_date);
 428                 HFSPLUS_I(inode).create_date = folder->create_date;
 429                 HFSPLUS_I(inode).fs_blocks = 0;
 430                 inode->i_op = &hfsplus_dir_inode_operations;
 431                 inode->i_fop = &hfsplus_dir_operations;
 432         } else if (type == HFSPLUS_FILE) {
 433                 struct hfsplus_cat_file *file = &entry.file;
 434
 435                 if (fd->entrylength < sizeof(struct hfsplus_cat_file))
 436                         /* panic? */;
 437                 hfs_bnode_read(fd->bnode, &entry, fd->entryoffset,
 438                                         sizeof(struct hfsplus_cat_file));
 439
 440                 hfsplus_inode_read_fork(inode, HFSPLUS_IS_DATA(inode) ?
 441                                         &file->data_fork : &file->rsrc_fork);
 442                 hfsplus_get_perms(inode, &file->permissions, 0);
 443                 inode->i_nlink = 1;
 444                 if (S_ISREG(inode->i_mode)) {
 445                         if (file->permissions.dev)
 446                                 inode->i_nlink = be32_to_cpu(file->permissions.dev);
 447                         inode->i_op = &hfsplus_file_inode_operations;
 448                         inode->i_fop = &hfsplus_file_operations;
 449                         inode->i_mapping->a_ops = &hfsplus_aops;
 450                 } else if (S_ISLNK(inode->i_mode)) {
 451                         inode->i_op = &page_symlink_inode_operations;
 452                         inode->i_mapping->a_ops = &hfsplus_aops;
 453                 } else {
 454                         init_special_inode(inode, inode->i_mode,
 455                                            be32_to_cpu(file->permissions.dev));
 456                 }
 457                 inode->i_atime = hfsp_mt2ut(file->access_date);
 458                 inode->i_mtime = hfsp_mt2ut(file->content_mod_date);
 459                 inode->i_ctime = hfsp_mt2ut(file->attribute_mod_date);
 460                 HFSPLUS_I(inode).create_date = file->create_date;
 461         } else {
 462                 printk(KERN_ERR "hfs: bad catalog entry used to create inode\n");
 463                 res = -EIO;
 464         }
 465         return res;
 466 }
 467
 468 int hfsplus_cat_write_inode(struct inode *inode)
 469 {
 470         struct inode *main_inode = inode;
 471         struct hfs_find_data fd;
 472         hfsplus_cat_entry entry;
 473
 474         if (HFSPLUS_IS_RSRC(inode))
 475                 main_inode = HFSPLUS_I(inode).rsrc_inode;
 476
 477         if (!main_inode->i_nlink)
 478                 return 0;
 479
 480         if (hfs_find_init(HFSPLUS_SB(main_inode->i_sb).cat_tree, &fd))
 481                 /* panic? */
 482                 return -EIO;
 483
 484         if (hfsplus_find_cat(main_inode->i_sb, main_inode->i_ino, &fd))
 485                 /* panic? */
 486                 goto out;
 487
 488         if (S_ISDIR(main_inode->i_mode)) {
 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                 /* simple node checks? */
 496                 hfsplus_set_perms(inode, &folder->permissions);
 497                 folder->access_date = hfsp_ut2mt(inode->i_atime);
 498                 folder->content_mod_date = hfsp_ut2mt(inode->i_mtime);
 499                 folder->attribute_mod_date = hfsp_ut2mt(inode->i_ctime);
 500                 folder->valence = cpu_to_be32(inode->i_size - 2);
 501                 hfs_bnode_write(fd.bnode, &entry, fd.entryoffset,
 502                                          sizeof(struct hfsplus_cat_folder));
 503         } else if (HFSPLUS_IS_RSRC(inode)) {
 504                 struct hfsplus_cat_file *file = &entry.file;
 505                 hfs_bnode_read(fd.bnode, &entry, fd.entryoffset,
 506                                sizeof(struct hfsplus_cat_file));
 507                 hfsplus_inode_write_fork(inode, &file->rsrc_fork);
 508                 hfs_bnode_write(fd.bnode, &entry, fd.entryoffset,
 509                                 sizeof(struct hfsplus_cat_file));
 510         } else {
 511                 struct hfsplus_cat_file *file = &entry.file;
 512
 513                 if (fd.entrylength < sizeof(struct hfsplus_cat_file))
 514                         /* panic? */;
 515                 hfs_bnode_read(fd.bnode, &entry, fd.entryoffset,
 516                                         sizeof(struct hfsplus_cat_file));
 517                 hfsplus_inode_write_fork(inode, &file->data_fork);
 518                 if (S_ISREG(inode->i_mode))
 519                         HFSPLUS_I(inode).dev = inode->i_nlink;
 520                 if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode))
 521                         HFSPLUS_I(inode).dev = kdev_t_to_nr(inode->i_rdev);
 522                 hfsplus_set_perms(inode, &file->permissions);
 523                 if ((file->permissions.rootflags | file->permissions.userflags) & HFSPLUS_FLG_IMMUTABLE)
 524                         file->flags |= cpu_to_be16(HFSPLUS_FILE_LOCKED);
 525                 else
 526                         file->flags &= cpu_to_be16(~HFSPLUS_FILE_LOCKED);
 527                 file->access_date = hfsp_ut2mt(inode->i_atime);
 528                 file->content_mod_date = hfsp_ut2mt(inode->i_mtime);
 529                 file->attribute_mod_date = hfsp_ut2mt(inode->i_ctime);
 530                 hfs_bnode_write(fd.bnode, &entry, fd.entryoffset,
 531                                          sizeof(struct hfsplus_cat_file));
 532         }
 533 out:
 534         hfs_find_exit(&fd);
 535         return 0;
 536 }