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 18 #include "hfsplus_fs.h" 19 #include "hfsplus_raw.h" 20 21 static int hfsplus_readpage(struct file *file, struct page *page) 22 { 23 return block_read_full_page(page, hfsplus_get_block); 24 } 25 26 static int hfsplus_writepage(struct page *page, struct writeback_control *wbc) 27 { 28 return block_write_full_page(page, hfsplus_get_block, wbc); 29 } 30 31 static int hfsplus_write_begin(struct file *file, struct address_space *mapping, 32 loff_t pos, unsigned len, unsigned flags, 33 struct page **pagep, void **fsdata) 34 { 35 int ret; 36 37 *pagep = NULL; 38 ret = cont_write_begin(file, mapping, pos, len, flags, pagep, fsdata, 39 hfsplus_get_block, 40 &HFSPLUS_I(mapping->host)->phys_size); 41 if (unlikely(ret)) { 42 loff_t isize = mapping->host->i_size; 43 if (pos + len > isize) 44 vmtruncate(mapping->host, isize); 45 } 46 47 return ret; 48 } 49 50 static sector_t hfsplus_bmap(struct address_space *mapping, sector_t block) 51 { 52 return generic_block_bmap(mapping, block, hfsplus_get_block); 53 } 54 55 static int hfsplus_releasepage(struct page *page, gfp_t mask) 56 { 57 struct inode *inode = page->mapping->host; 58 struct super_block *sb = inode->i_sb; 59 struct hfs_btree *tree; 60 struct hfs_bnode *node; 61 u32 nidx; 62 int i, res = 1; 63 64 switch (inode->i_ino) { 65 case HFSPLUS_EXT_CNID: 66 tree = HFSPLUS_SB(sb)->ext_tree; 67 break; 68 case HFSPLUS_CAT_CNID: 69 tree = HFSPLUS_SB(sb)->cat_tree; 70 break; 71 case HFSPLUS_ATTR_CNID: 72 tree = HFSPLUS_SB(sb)->attr_tree; 73 break; 74 default: 75 BUG(); 76 return 0; 77 } 78 if (!tree) 79 return 0; 80 if (tree->node_size >= PAGE_CACHE_SIZE) { 81 nidx = page->index >> 82 (tree->node_size_shift - PAGE_CACHE_SHIFT); 83 spin_lock(&tree->hash_lock); 84 node = hfs_bnode_findhash(tree, nidx); 85 if (!node) 86 ; 87 else if (atomic_read(&node->refcnt)) 88 res = 0; 89 if (res && node) { 90 hfs_bnode_unhash(node); 91 hfs_bnode_free(node); 92 } 93 spin_unlock(&tree->hash_lock); 94 } else { 95 nidx = page->index << 96 (PAGE_CACHE_SHIFT - tree->node_size_shift); 97 i = 1 << (PAGE_CACHE_SHIFT - tree->node_size_shift); 98 spin_lock(&tree->hash_lock); 99 do { 100 node = hfs_bnode_findhash(tree, nidx++); 101 if (!node) 102 continue; 103 if (atomic_read(&node->refcnt)) { 104 res = 0; 105 break; 106 } 107 hfs_bnode_unhash(node); 108 hfs_bnode_free(node); 109 } while (--i && nidx < tree->node_count); 110 spin_unlock(&tree->hash_lock); 111 } 112 return res ? try_to_free_buffers(page) : 0; 113 } 114 115 static ssize_t hfsplus_direct_IO(int rw, struct kiocb *iocb, 116 const struct iovec *iov, loff_t offset, unsigned long nr_segs) 117 { 118 struct file *file = iocb->ki_filp; 119 struct inode *inode = file->f_path.dentry->d_inode->i_mapping->host; 120 ssize_t ret; 121 122 ret = blockdev_direct_IO(rw, iocb, inode, iov, offset, nr_segs, 123 hfsplus_get_block); 124 125 /* 126 * In case of error extending write may have instantiated a few 127 * blocks outside i_size. Trim these off again. 128 */ 129 if (unlikely((rw & WRITE) && ret < 0)) { 130 loff_t isize = i_size_read(inode); 131 loff_t end = offset + iov_length(iov, nr_segs); 132 133 if (end > isize) 134 vmtruncate(inode, isize); 135 } 136 137 return ret; 138 } 139 140 static int hfsplus_writepages(struct address_space *mapping, 141 struct writeback_control *wbc) 142 { 143 return mpage_writepages(mapping, wbc, hfsplus_get_block); 144 } 145 146 const struct address_space_operations hfsplus_btree_aops = { 147 .readpage = hfsplus_readpage, 148 .writepage = hfsplus_writepage, 149 .write_begin = hfsplus_write_begin, 150 .write_end = generic_write_end, 151 .bmap = hfsplus_bmap, 152 .releasepage = hfsplus_releasepage, 153 }; 154 155 const struct address_space_operations hfsplus_aops = { 156 .readpage = hfsplus_readpage, 157 .writepage = hfsplus_writepage, 158 .write_begin = hfsplus_write_begin, 159 .write_end = generic_write_end, 160 .bmap = hfsplus_bmap, 161 .direct_IO = hfsplus_direct_IO, 162 .writepages = hfsplus_writepages, 163 }; 164 165 const struct dentry_operations hfsplus_dentry_operations = { 166 .d_hash = hfsplus_hash_dentry, 167 .d_compare = hfsplus_compare_dentry, 168 }; 169 170 static struct dentry *hfsplus_file_lookup(struct inode *dir, 171 struct dentry *dentry, struct nameidata *nd) 172 { 173 struct hfs_find_data fd; 174 struct super_block *sb = dir->i_sb; 175 struct inode *inode = NULL; 176 struct hfsplus_inode_info *hip; 177 int err; 178 179 if (HFSPLUS_IS_RSRC(dir) || strcmp(dentry->d_name.name, "rsrc")) 180 goto out; 181 182 inode = HFSPLUS_I(dir)->rsrc_inode; 183 if (inode) 184 goto out; 185 186 inode = new_inode(sb); 187 if (!inode) 188 return ERR_PTR(-ENOMEM); 189 190 hip = HFSPLUS_I(inode); 191 inode->i_ino = dir->i_ino; 192 INIT_LIST_HEAD(&hip->open_dir_list); 193 mutex_init(&hip->extents_lock); 194 hip->extent_state = 0; 195 hip->flags = 0; 196 set_bit(HFSPLUS_I_RSRC, &hip->flags); 197 198 err = hfs_find_init(HFSPLUS_SB(sb)->cat_tree, &fd); 199 if (!err) { 200 err = hfsplus_find_cat(sb, dir->i_ino, &fd); 201 if (!err) 202 err = hfsplus_cat_read_inode(inode, &fd); 203 hfs_find_exit(&fd); 204 } 205 if (err) { 206 iput(inode); 207 return ERR_PTR(err); 208 } 209 hip->rsrc_inode = dir; 210 HFSPLUS_I(dir)->rsrc_inode = inode; 211 igrab(dir); 212 213 /* 214 * __mark_inode_dirty expects inodes to be hashed. Since we don't 215 * want resource fork inodes in the regular inode space, we make them 216 * appear hashed, but do not put on any lists. hlist_del() 217 * will work fine and require no locking. 218 */ 219 hlist_add_fake(&inode->i_hash); 220 221 mark_inode_dirty(inode); 222 out: 223 d_add(dentry, inode); 224 return NULL; 225 } 226 227 static void hfsplus_get_perms(struct inode *inode, 228 struct hfsplus_perm *perms, int dir) 229 { 230 struct hfsplus_sb_info *sbi = HFSPLUS_SB(inode->i_sb); 231 u16 mode; 232 233 mode = be16_to_cpu(perms->mode); 234 235 inode->i_uid = be32_to_cpu(perms->owner); 236 if (!inode->i_uid && !mode) 237 inode->i_uid = sbi->uid; 238 239 inode->i_gid = be32_to_cpu(perms->group); 240 if (!inode->i_gid && !mode) 241 inode->i_gid = sbi->gid; 242 243 if (dir) { 244 mode = mode ? (mode & S_IALLUGO) : (S_IRWXUGO & ~(sbi->umask)); 245 mode |= S_IFDIR; 246 } else if (!mode) 247 mode = S_IFREG | ((S_IRUGO|S_IWUGO) & ~(sbi->umask)); 248 inode->i_mode = mode; 249 250 HFSPLUS_I(inode)->userflags = perms->userflags; 251 if (perms->rootflags & HFSPLUS_FLG_IMMUTABLE) 252 inode->i_flags |= S_IMMUTABLE; 253 else 254 inode->i_flags &= ~S_IMMUTABLE; 255 if (perms->rootflags & HFSPLUS_FLG_APPEND) 256 inode->i_flags |= S_APPEND; 257 else 258 inode->i_flags &= ~S_APPEND; 259 } 260 261 static int hfsplus_file_open(struct inode *inode, struct file *file) 262 { 263 if (HFSPLUS_IS_RSRC(inode)) 264 inode = HFSPLUS_I(inode)->rsrc_inode; 265 if (!(file->f_flags & O_LARGEFILE) && i_size_read(inode) > MAX_NON_LFS) 266 return -EOVERFLOW; 267 atomic_inc(&HFSPLUS_I(inode)->opencnt); 268 return 0; 269 } 270 271 static int hfsplus_file_release(struct inode *inode, struct file *file) 272 { 273 struct super_block *sb = inode->i_sb; 274 275 if (HFSPLUS_IS_RSRC(inode)) 276 inode = HFSPLUS_I(inode)->rsrc_inode; 277 if (atomic_dec_and_test(&HFSPLUS_I(inode)->opencnt)) { 278 mutex_lock(&inode->i_mutex); 279 hfsplus_file_truncate(inode); 280 if (inode->i_flags & S_DEAD) { 281 hfsplus_delete_cat(inode->i_ino, 282 HFSPLUS_SB(sb)->hidden_dir, NULL); 283 hfsplus_delete_inode(inode); 284 } 285 mutex_unlock(&inode->i_mutex); 286 } 287 return 0; 288 } 289 290 static int hfsplus_setattr(struct dentry *dentry, struct iattr *attr) 291 { 292 struct inode *inode = dentry->d_inode; 293 int error; 294 295 error = inode_change_ok(inode, attr); 296 if (error) 297 return error; 298 299 if ((attr->ia_valid & ATTR_SIZE) && 300 attr->ia_size != i_size_read(inode)) { 301 inode_dio_wait(inode); 302 303 error = vmtruncate(inode, attr->ia_size); 304 if (error) 305 return error; 306 } 307 308 setattr_copy(inode, attr); 309 mark_inode_dirty(inode); 310 return 0; 311 } 312 313 int hfsplus_file_fsync(struct file *file, loff_t start, loff_t end, 314 int datasync) 315 { 316 struct inode *inode = file->f_mapping->host; 317 struct hfsplus_inode_info *hip = HFSPLUS_I(inode); 318 struct hfsplus_sb_info *sbi = HFSPLUS_SB(inode->i_sb); 319 int error = 0, error2; 320 321 error = filemap_write_and_wait_range(inode->i_mapping, start, end); 322 if (error) 323 return error; 324 mutex_lock(&inode->i_mutex); 325 326 /* 327 * Sync inode metadata into the catalog and extent trees. 328 */ 329 sync_inode_metadata(inode, 1); 330 331 /* 332 * And explicitly write out the btrees. 333 */ 334 if (test_and_clear_bit(HFSPLUS_I_CAT_DIRTY, &hip->flags)) 335 error = filemap_write_and_wait(sbi->cat_tree->inode->i_mapping); 336 337 if (test_and_clear_bit(HFSPLUS_I_EXT_DIRTY, &hip->flags)) { 338 error2 = 339 filemap_write_and_wait(sbi->ext_tree->inode->i_mapping); 340 if (!error) 341 error = error2; 342 } 343 344 if (test_and_clear_bit(HFSPLUS_I_ALLOC_DIRTY, &hip->flags)) { 345 error2 = filemap_write_and_wait(sbi->alloc_file->i_mapping); 346 if (!error) 347 error = error2; 348 } 349 350 if (!test_bit(HFSPLUS_SB_NOBARRIER, &sbi->flags)) 351 blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL); 352 353 mutex_unlock(&inode->i_mutex); 354 355 return error; 356 } 357 358 static const struct inode_operations hfsplus_file_inode_operations = { 359 .lookup = hfsplus_file_lookup, 360 .truncate = hfsplus_file_truncate, 361 .setattr = hfsplus_setattr, 362 .setxattr = hfsplus_setxattr, 363 .getxattr = hfsplus_getxattr, 364 .listxattr = hfsplus_listxattr, 365 }; 366 367 static const struct file_operations hfsplus_file_operations = { 368 .llseek = generic_file_llseek, 369 .read = do_sync_read, 370 .aio_read = generic_file_aio_read, 371 .write = do_sync_write, 372 .aio_write = generic_file_aio_write, 373 .mmap = generic_file_mmap, 374 .splice_read = generic_file_splice_read, 375 .fsync = hfsplus_file_fsync, 376 .open = hfsplus_file_open, 377 .release = hfsplus_file_release, 378 .unlocked_ioctl = hfsplus_ioctl, 379 }; 380 381 struct inode *hfsplus_new_inode(struct super_block *sb, umode_t mode) 382 { 383 struct hfsplus_sb_info *sbi = HFSPLUS_SB(sb); 384 struct inode *inode = new_inode(sb); 385 struct hfsplus_inode_info *hip; 386 387 if (!inode) 388 return NULL; 389 390 inode->i_ino = sbi->next_cnid++; 391 inode->i_mode = mode; 392 inode->i_uid = current_fsuid(); 393 inode->i_gid = current_fsgid(); 394 set_nlink(inode, 1); 395 inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC; 396 397 hip = HFSPLUS_I(inode); 398 INIT_LIST_HEAD(&hip->open_dir_list); 399 mutex_init(&hip->extents_lock); 400 atomic_set(&hip->opencnt, 0); 401 hip->extent_state = 0; 402 hip->flags = 0; 403 memset(hip->first_extents, 0, sizeof(hfsplus_extent_rec)); 404 memset(hip->cached_extents, 0, sizeof(hfsplus_extent_rec)); 405 hip->alloc_blocks = 0; 406 hip->first_blocks = 0; 407 hip->cached_start = 0; 408 hip->cached_blocks = 0; 409 hip->phys_size = 0; 410 hip->fs_blocks = 0; 411 hip->rsrc_inode = NULL; 412 if (S_ISDIR(inode->i_mode)) { 413 inode->i_size = 2; 414 sbi->folder_count++; 415 inode->i_op = &hfsplus_dir_inode_operations; 416 inode->i_fop = &hfsplus_dir_operations; 417 } else if (S_ISREG(inode->i_mode)) { 418 sbi->file_count++; 419 inode->i_op = &hfsplus_file_inode_operations; 420 inode->i_fop = &hfsplus_file_operations; 421 inode->i_mapping->a_ops = &hfsplus_aops; 422 hip->clump_blocks = sbi->data_clump_blocks; 423 } else if (S_ISLNK(inode->i_mode)) { 424 sbi->file_count++; 425 inode->i_op = &page_symlink_inode_operations; 426 inode->i_mapping->a_ops = &hfsplus_aops; 427 hip->clump_blocks = 1; 428 } else 429 sbi->file_count++; 430 insert_inode_hash(inode); 431 mark_inode_dirty(inode); 432 sb->s_dirt = 1; 433 434 return inode; 435 } 436 437 void hfsplus_delete_inode(struct inode *inode) 438 { 439 struct super_block *sb = inode->i_sb; 440 441 if (S_ISDIR(inode->i_mode)) { 442 HFSPLUS_SB(sb)->folder_count--; 443 sb->s_dirt = 1; 444 return; 445 } 446 HFSPLUS_SB(sb)->file_count--; 447 if (S_ISREG(inode->i_mode)) { 448 if (!inode->i_nlink) { 449 inode->i_size = 0; 450 hfsplus_file_truncate(inode); 451 } 452 } else if (S_ISLNK(inode->i_mode)) { 453 inode->i_size = 0; 454 hfsplus_file_truncate(inode); 455 } 456 sb->s_dirt = 1; 457 } 458 459 void hfsplus_inode_read_fork(struct inode *inode, struct hfsplus_fork_raw *fork) 460 { 461 struct super_block *sb = inode->i_sb; 462 struct hfsplus_sb_info *sbi = HFSPLUS_SB(sb); 463 struct hfsplus_inode_info *hip = HFSPLUS_I(inode); 464 u32 count; 465 int i; 466 467 memcpy(&hip->first_extents, &fork->extents, sizeof(hfsplus_extent_rec)); 468 for (count = 0, i = 0; i < 8; i++) 469 count += be32_to_cpu(fork->extents[i].block_count); 470 hip->first_blocks = count; 471 memset(hip->cached_extents, 0, sizeof(hfsplus_extent_rec)); 472 hip->cached_start = 0; 473 hip->cached_blocks = 0; 474 475 hip->alloc_blocks = be32_to_cpu(fork->total_blocks); 476 hip->phys_size = inode->i_size = be64_to_cpu(fork->total_size); 477 hip->fs_blocks = 478 (inode->i_size + sb->s_blocksize - 1) >> sb->s_blocksize_bits; 479 inode_set_bytes(inode, hip->fs_blocks << sb->s_blocksize_bits); 480 hip->clump_blocks = 481 be32_to_cpu(fork->clump_size) >> sbi->alloc_blksz_shift; 482 if (!hip->clump_blocks) { 483 hip->clump_blocks = HFSPLUS_IS_RSRC(inode) ? 484 sbi->rsrc_clump_blocks : 485 sbi->data_clump_blocks; 486 } 487 } 488 489 void hfsplus_inode_write_fork(struct inode *inode, 490 struct hfsplus_fork_raw *fork) 491 { 492 memcpy(&fork->extents, &HFSPLUS_I(inode)->first_extents, 493 sizeof(hfsplus_extent_rec)); 494 fork->total_size = cpu_to_be64(inode->i_size); 495 fork->total_blocks = cpu_to_be32(HFSPLUS_I(inode)->alloc_blocks); 496 } 497 498 int hfsplus_cat_read_inode(struct inode *inode, struct hfs_find_data *fd) 499 { 500 hfsplus_cat_entry entry; 501 int res = 0; 502 u16 type; 503 504 type = hfs_bnode_read_u16(fd->bnode, fd->entryoffset); 505 506 HFSPLUS_I(inode)->linkid = 0; 507 if (type == HFSPLUS_FOLDER) { 508 struct hfsplus_cat_folder *folder = &entry.folder; 509 510 if (fd->entrylength < sizeof(struct hfsplus_cat_folder)) 511 /* panic? */; 512 hfs_bnode_read(fd->bnode, &entry, fd->entryoffset, 513 sizeof(struct hfsplus_cat_folder)); 514 hfsplus_get_perms(inode, &folder->permissions, 1); 515 set_nlink(inode, 1); 516 inode->i_size = 2 + be32_to_cpu(folder->valence); 517 inode->i_atime = hfsp_mt2ut(folder->access_date); 518 inode->i_mtime = hfsp_mt2ut(folder->content_mod_date); 519 inode->i_ctime = hfsp_mt2ut(folder->attribute_mod_date); 520 HFSPLUS_I(inode)->create_date = folder->create_date; 521 HFSPLUS_I(inode)->fs_blocks = 0; 522 inode->i_op = &hfsplus_dir_inode_operations; 523 inode->i_fop = &hfsplus_dir_operations; 524 } else if (type == HFSPLUS_FILE) { 525 struct hfsplus_cat_file *file = &entry.file; 526 527 if (fd->entrylength < sizeof(struct hfsplus_cat_file)) 528 /* panic? */; 529 hfs_bnode_read(fd->bnode, &entry, fd->entryoffset, 530 sizeof(struct hfsplus_cat_file)); 531 532 hfsplus_inode_read_fork(inode, HFSPLUS_IS_RSRC(inode) ? 533 &file->rsrc_fork : &file->data_fork); 534 hfsplus_get_perms(inode, &file->permissions, 0); 535 set_nlink(inode, 1); 536 if (S_ISREG(inode->i_mode)) { 537 if (file->permissions.dev) 538 set_nlink(inode, 539 be32_to_cpu(file->permissions.dev)); 540 inode->i_op = &hfsplus_file_inode_operations; 541 inode->i_fop = &hfsplus_file_operations; 542 inode->i_mapping->a_ops = &hfsplus_aops; 543 } else if (S_ISLNK(inode->i_mode)) { 544 inode->i_op = &page_symlink_inode_operations; 545 inode->i_mapping->a_ops = &hfsplus_aops; 546 } else { 547 init_special_inode(inode, inode->i_mode, 548 be32_to_cpu(file->permissions.dev)); 549 } 550 inode->i_atime = hfsp_mt2ut(file->access_date); 551 inode->i_mtime = hfsp_mt2ut(file->content_mod_date); 552 inode->i_ctime = hfsp_mt2ut(file->attribute_mod_date); 553 HFSPLUS_I(inode)->create_date = file->create_date; 554 } else { 555 printk(KERN_ERR "hfs: bad catalog entry used to create inode\n"); 556 res = -EIO; 557 } 558 return res; 559 } 560 561 int hfsplus_cat_write_inode(struct inode *inode) 562 { 563 struct inode *main_inode = inode; 564 struct hfs_find_data fd; 565 hfsplus_cat_entry entry; 566 567 if (HFSPLUS_IS_RSRC(inode)) 568 main_inode = HFSPLUS_I(inode)->rsrc_inode; 569 570 if (!main_inode->i_nlink) 571 return 0; 572 573 if (hfs_find_init(HFSPLUS_SB(main_inode->i_sb)->cat_tree, &fd)) 574 /* panic? */ 575 return -EIO; 576 577 if (hfsplus_find_cat(main_inode->i_sb, main_inode->i_ino, &fd)) 578 /* panic? */ 579 goto out; 580 581 if (S_ISDIR(main_inode->i_mode)) { 582 struct hfsplus_cat_folder *folder = &entry.folder; 583 584 if (fd.entrylength < sizeof(struct hfsplus_cat_folder)) 585 /* panic? */; 586 hfs_bnode_read(fd.bnode, &entry, fd.entryoffset, 587 sizeof(struct hfsplus_cat_folder)); 588 /* simple node checks? */ 589 hfsplus_cat_set_perms(inode, &folder->permissions); 590 folder->access_date = hfsp_ut2mt(inode->i_atime); 591 folder->content_mod_date = hfsp_ut2mt(inode->i_mtime); 592 folder->attribute_mod_date = hfsp_ut2mt(inode->i_ctime); 593 folder->valence = cpu_to_be32(inode->i_size - 2); 594 hfs_bnode_write(fd.bnode, &entry, fd.entryoffset, 595 sizeof(struct hfsplus_cat_folder)); 596 } else if (HFSPLUS_IS_RSRC(inode)) { 597 struct hfsplus_cat_file *file = &entry.file; 598 hfs_bnode_read(fd.bnode, &entry, fd.entryoffset, 599 sizeof(struct hfsplus_cat_file)); 600 hfsplus_inode_write_fork(inode, &file->rsrc_fork); 601 hfs_bnode_write(fd.bnode, &entry, fd.entryoffset, 602 sizeof(struct hfsplus_cat_file)); 603 } else { 604 struct hfsplus_cat_file *file = &entry.file; 605 606 if (fd.entrylength < sizeof(struct hfsplus_cat_file)) 607 /* panic? */; 608 hfs_bnode_read(fd.bnode, &entry, fd.entryoffset, 609 sizeof(struct hfsplus_cat_file)); 610 hfsplus_inode_write_fork(inode, &file->data_fork); 611 hfsplus_cat_set_perms(inode, &file->permissions); 612 if (HFSPLUS_FLG_IMMUTABLE & 613 (file->permissions.rootflags | 614 file->permissions.userflags)) 615 file->flags |= cpu_to_be16(HFSPLUS_FILE_LOCKED); 616 else 617 file->flags &= cpu_to_be16(~HFSPLUS_FILE_LOCKED); 618 file->access_date = hfsp_ut2mt(inode->i_atime); 619 file->content_mod_date = hfsp_ut2mt(inode->i_mtime); 620 file->attribute_mod_date = hfsp_ut2mt(inode->i_ctime); 621 hfs_bnode_write(fd.bnode, &entry, fd.entryoffset, 622 sizeof(struct hfsplus_cat_file)); 623 } 624 625 set_bit(HFSPLUS_I_CAT_DIRTY, &HFSPLUS_I(inode)->flags); 626 out: 627 hfs_find_exit(&fd); 628 return 0; 629 } 630