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 23 static int hfsplus_readpage(struct file *file, struct page *page) 24 { 25 return block_read_full_page(page, hfsplus_get_block); 26 } 27 28 static int hfsplus_writepage(struct page *page, struct writeback_control *wbc) 29 { 30 return block_write_full_page(page, hfsplus_get_block, wbc); 31 } 32 33 static void hfsplus_write_failed(struct address_space *mapping, loff_t to) 34 { 35 struct inode *inode = mapping->host; 36 37 if (to > inode->i_size) { 38 truncate_pagecache(inode, to, inode->i_size); 39 hfsplus_file_truncate(inode); 40 } 41 } 42 43 static int hfsplus_write_begin(struct file *file, struct address_space *mapping, 44 loff_t pos, unsigned len, unsigned flags, 45 struct page **pagep, void **fsdata) 46 { 47 int ret; 48 49 *pagep = NULL; 50 ret = cont_write_begin(file, mapping, pos, len, flags, pagep, fsdata, 51 hfsplus_get_block, 52 &HFSPLUS_I(mapping->host)->phys_size); 53 if (unlikely(ret)) 54 hfsplus_write_failed(mapping, pos + len); 55 56 return ret; 57 } 58 59 static sector_t hfsplus_bmap(struct address_space *mapping, sector_t block) 60 { 61 return generic_block_bmap(mapping, block, hfsplus_get_block); 62 } 63 64 static int hfsplus_releasepage(struct page *page, gfp_t mask) 65 { 66 struct inode *inode = page->mapping->host; 67 struct super_block *sb = inode->i_sb; 68 struct hfs_btree *tree; 69 struct hfs_bnode *node; 70 u32 nidx; 71 int i, res = 1; 72 73 switch (inode->i_ino) { 74 case HFSPLUS_EXT_CNID: 75 tree = HFSPLUS_SB(sb)->ext_tree; 76 break; 77 case HFSPLUS_CAT_CNID: 78 tree = HFSPLUS_SB(sb)->cat_tree; 79 break; 80 case HFSPLUS_ATTR_CNID: 81 tree = HFSPLUS_SB(sb)->attr_tree; 82 break; 83 default: 84 BUG(); 85 return 0; 86 } 87 if (!tree) 88 return 0; 89 if (tree->node_size >= PAGE_CACHE_SIZE) { 90 nidx = page->index >> 91 (tree->node_size_shift - PAGE_CACHE_SHIFT); 92 spin_lock(&tree->hash_lock); 93 node = hfs_bnode_findhash(tree, nidx); 94 if (!node) 95 ; 96 else if (atomic_read(&node->refcnt)) 97 res = 0; 98 if (res && node) { 99 hfs_bnode_unhash(node); 100 hfs_bnode_free(node); 101 } 102 spin_unlock(&tree->hash_lock); 103 } else { 104 nidx = page->index << 105 (PAGE_CACHE_SHIFT - tree->node_size_shift); 106 i = 1 << (PAGE_CACHE_SHIFT - tree->node_size_shift); 107 spin_lock(&tree->hash_lock); 108 do { 109 node = hfs_bnode_findhash(tree, nidx++); 110 if (!node) 111 continue; 112 if (atomic_read(&node->refcnt)) { 113 res = 0; 114 break; 115 } 116 hfs_bnode_unhash(node); 117 hfs_bnode_free(node); 118 } while (--i && nidx < tree->node_count); 119 spin_unlock(&tree->hash_lock); 120 } 121 return res ? try_to_free_buffers(page) : 0; 122 } 123 124 static ssize_t hfsplus_direct_IO(int rw, struct kiocb *iocb, 125 const struct iovec *iov, loff_t offset, unsigned long nr_segs) 126 { 127 struct file *file = iocb->ki_filp; 128 struct address_space *mapping = file->f_mapping; 129 struct inode *inode = file_inode(file)->i_mapping->host; 130 ssize_t ret; 131 132 ret = blockdev_direct_IO(rw, iocb, inode, iov, offset, nr_segs, 133 hfsplus_get_block); 134 135 /* 136 * In case of error extending write may have instantiated a few 137 * blocks outside i_size. Trim these off again. 138 */ 139 if (unlikely((rw & WRITE) && ret < 0)) { 140 loff_t isize = i_size_read(inode); 141 loff_t end = offset + iov_length(iov, nr_segs); 142 143 if (end > isize) 144 hfsplus_write_failed(mapping, end); 145 } 146 147 return ret; 148 } 149 150 static int hfsplus_writepages(struct address_space *mapping, 151 struct writeback_control *wbc) 152 { 153 return mpage_writepages(mapping, wbc, hfsplus_get_block); 154 } 155 156 const struct address_space_operations hfsplus_btree_aops = { 157 .readpage = hfsplus_readpage, 158 .writepage = hfsplus_writepage, 159 .write_begin = hfsplus_write_begin, 160 .write_end = generic_write_end, 161 .bmap = hfsplus_bmap, 162 .releasepage = hfsplus_releasepage, 163 }; 164 165 const struct address_space_operations hfsplus_aops = { 166 .readpage = hfsplus_readpage, 167 .writepage = hfsplus_writepage, 168 .write_begin = hfsplus_write_begin, 169 .write_end = generic_write_end, 170 .bmap = hfsplus_bmap, 171 .direct_IO = hfsplus_direct_IO, 172 .writepages = hfsplus_writepages, 173 }; 174 175 const struct dentry_operations hfsplus_dentry_operations = { 176 .d_hash = hfsplus_hash_dentry, 177 .d_compare = hfsplus_compare_dentry, 178 }; 179 180 static struct dentry *hfsplus_file_lookup(struct inode *dir, 181 struct dentry *dentry, unsigned int flags) 182 { 183 struct hfs_find_data fd; 184 struct super_block *sb = dir->i_sb; 185 struct inode *inode = NULL; 186 struct hfsplus_inode_info *hip; 187 int err; 188 189 if (HFSPLUS_IS_RSRC(dir) || strcmp(dentry->d_name.name, "rsrc")) 190 goto out; 191 192 inode = HFSPLUS_I(dir)->rsrc_inode; 193 if (inode) 194 goto out; 195 196 inode = new_inode(sb); 197 if (!inode) 198 return ERR_PTR(-ENOMEM); 199 200 hip = HFSPLUS_I(inode); 201 inode->i_ino = dir->i_ino; 202 INIT_LIST_HEAD(&hip->open_dir_list); 203 mutex_init(&hip->extents_lock); 204 hip->extent_state = 0; 205 hip->flags = 0; 206 hip->userflags = 0; 207 set_bit(HFSPLUS_I_RSRC, &hip->flags); 208 209 err = hfs_find_init(HFSPLUS_SB(sb)->cat_tree, &fd); 210 if (!err) { 211 err = hfsplus_find_cat(sb, dir->i_ino, &fd); 212 if (!err) 213 err = hfsplus_cat_read_inode(inode, &fd); 214 hfs_find_exit(&fd); 215 } 216 if (err) { 217 iput(inode); 218 return ERR_PTR(err); 219 } 220 hip->rsrc_inode = dir; 221 HFSPLUS_I(dir)->rsrc_inode = inode; 222 igrab(dir); 223 224 /* 225 * __mark_inode_dirty expects inodes to be hashed. Since we don't 226 * want resource fork inodes in the regular inode space, we make them 227 * appear hashed, but do not put on any lists. hlist_del() 228 * will work fine and require no locking. 229 */ 230 hlist_add_fake(&inode->i_hash); 231 232 mark_inode_dirty(inode); 233 out: 234 d_add(dentry, inode); 235 return NULL; 236 } 237 238 static void hfsplus_get_perms(struct inode *inode, 239 struct hfsplus_perm *perms, int dir) 240 { 241 struct hfsplus_sb_info *sbi = HFSPLUS_SB(inode->i_sb); 242 u16 mode; 243 244 mode = be16_to_cpu(perms->mode); 245 246 i_uid_write(inode, be32_to_cpu(perms->owner)); 247 if (!i_uid_read(inode) && !mode) 248 inode->i_uid = sbi->uid; 249 250 i_gid_write(inode, be32_to_cpu(perms->group)); 251 if (!i_gid_read(inode) && !mode) 252 inode->i_gid = sbi->gid; 253 254 if (dir) { 255 mode = mode ? (mode & S_IALLUGO) : (S_IRWXUGO & ~(sbi->umask)); 256 mode |= S_IFDIR; 257 } else if (!mode) 258 mode = S_IFREG | ((S_IRUGO|S_IWUGO) & ~(sbi->umask)); 259 inode->i_mode = mode; 260 261 HFSPLUS_I(inode)->userflags = perms->userflags; 262 if (perms->rootflags & HFSPLUS_FLG_IMMUTABLE) 263 inode->i_flags |= S_IMMUTABLE; 264 else 265 inode->i_flags &= ~S_IMMUTABLE; 266 if (perms->rootflags & HFSPLUS_FLG_APPEND) 267 inode->i_flags |= S_APPEND; 268 else 269 inode->i_flags &= ~S_APPEND; 270 } 271 272 static int hfsplus_file_open(struct inode *inode, struct file *file) 273 { 274 if (HFSPLUS_IS_RSRC(inode)) 275 inode = HFSPLUS_I(inode)->rsrc_inode; 276 if (!(file->f_flags & O_LARGEFILE) && i_size_read(inode) > MAX_NON_LFS) 277 return -EOVERFLOW; 278 atomic_inc(&HFSPLUS_I(inode)->opencnt); 279 return 0; 280 } 281 282 static int hfsplus_file_release(struct inode *inode, struct file *file) 283 { 284 struct super_block *sb = inode->i_sb; 285 286 if (HFSPLUS_IS_RSRC(inode)) 287 inode = HFSPLUS_I(inode)->rsrc_inode; 288 if (atomic_dec_and_test(&HFSPLUS_I(inode)->opencnt)) { 289 mutex_lock(&inode->i_mutex); 290 hfsplus_file_truncate(inode); 291 if (inode->i_flags & S_DEAD) { 292 hfsplus_delete_cat(inode->i_ino, 293 HFSPLUS_SB(sb)->hidden_dir, NULL); 294 hfsplus_delete_inode(inode); 295 } 296 mutex_unlock(&inode->i_mutex); 297 } 298 return 0; 299 } 300 301 static int hfsplus_setattr(struct dentry *dentry, struct iattr *attr) 302 { 303 struct inode *inode = dentry->d_inode; 304 int error; 305 306 error = inode_change_ok(inode, attr); 307 if (error) 308 return error; 309 310 if ((attr->ia_valid & ATTR_SIZE) && 311 attr->ia_size != i_size_read(inode)) { 312 inode_dio_wait(inode); 313 truncate_setsize(inode, attr->ia_size); 314 hfsplus_file_truncate(inode); 315 } 316 317 setattr_copy(inode, attr); 318 mark_inode_dirty(inode); 319 return 0; 320 } 321 322 int hfsplus_file_fsync(struct file *file, loff_t start, loff_t end, 323 int datasync) 324 { 325 struct inode *inode = file->f_mapping->host; 326 struct hfsplus_inode_info *hip = HFSPLUS_I(inode); 327 struct hfsplus_sb_info *sbi = HFSPLUS_SB(inode->i_sb); 328 int error = 0, error2; 329 330 error = filemap_write_and_wait_range(inode->i_mapping, start, end); 331 if (error) 332 return error; 333 mutex_lock(&inode->i_mutex); 334 335 /* 336 * Sync inode metadata into the catalog and extent trees. 337 */ 338 sync_inode_metadata(inode, 1); 339 340 /* 341 * And explicitly write out the btrees. 342 */ 343 if (test_and_clear_bit(HFSPLUS_I_CAT_DIRTY, &hip->flags)) 344 error = filemap_write_and_wait(sbi->cat_tree->inode->i_mapping); 345 346 if (test_and_clear_bit(HFSPLUS_I_EXT_DIRTY, &hip->flags)) { 347 error2 = 348 filemap_write_and_wait(sbi->ext_tree->inode->i_mapping); 349 if (!error) 350 error = error2; 351 } 352 353 if (test_and_clear_bit(HFSPLUS_I_ATTR_DIRTY, &hip->flags)) { 354 if (sbi->attr_tree) { 355 error2 = 356 filemap_write_and_wait( 357 sbi->attr_tree->inode->i_mapping); 358 if (!error) 359 error = error2; 360 } else { 361 pr_err("sync non-existent attributes tree\n"); 362 } 363 } 364 365 if (test_and_clear_bit(HFSPLUS_I_ALLOC_DIRTY, &hip->flags)) { 366 error2 = filemap_write_and_wait(sbi->alloc_file->i_mapping); 367 if (!error) 368 error = error2; 369 } 370 371 if (!test_bit(HFSPLUS_SB_NOBARRIER, &sbi->flags)) 372 blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL); 373 374 mutex_unlock(&inode->i_mutex); 375 376 return error; 377 } 378 379 static const struct inode_operations hfsplus_file_inode_operations = { 380 .lookup = hfsplus_file_lookup, 381 .setattr = hfsplus_setattr, 382 .setxattr = generic_setxattr, 383 .getxattr = generic_getxattr, 384 .listxattr = hfsplus_listxattr, 385 .removexattr = hfsplus_removexattr, 386 }; 387 388 static const struct file_operations hfsplus_file_operations = { 389 .llseek = generic_file_llseek, 390 .read = do_sync_read, 391 .aio_read = generic_file_aio_read, 392 .write = do_sync_write, 393 .aio_write = generic_file_aio_write, 394 .mmap = generic_file_mmap, 395 .splice_read = generic_file_splice_read, 396 .fsync = hfsplus_file_fsync, 397 .open = hfsplus_file_open, 398 .release = hfsplus_file_release, 399 .unlocked_ioctl = hfsplus_ioctl, 400 }; 401 402 struct inode *hfsplus_new_inode(struct super_block *sb, umode_t mode) 403 { 404 struct hfsplus_sb_info *sbi = HFSPLUS_SB(sb); 405 struct inode *inode = new_inode(sb); 406 struct hfsplus_inode_info *hip; 407 408 if (!inode) 409 return NULL; 410 411 inode->i_ino = sbi->next_cnid++; 412 inode->i_mode = mode; 413 inode->i_uid = current_fsuid(); 414 inode->i_gid = current_fsgid(); 415 set_nlink(inode, 1); 416 inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC; 417 418 hip = HFSPLUS_I(inode); 419 INIT_LIST_HEAD(&hip->open_dir_list); 420 mutex_init(&hip->extents_lock); 421 atomic_set(&hip->opencnt, 0); 422 hip->extent_state = 0; 423 hip->flags = 0; 424 hip->userflags = 0; 425 memset(hip->first_extents, 0, sizeof(hfsplus_extent_rec)); 426 memset(hip->cached_extents, 0, sizeof(hfsplus_extent_rec)); 427 hip->alloc_blocks = 0; 428 hip->first_blocks = 0; 429 hip->cached_start = 0; 430 hip->cached_blocks = 0; 431 hip->phys_size = 0; 432 hip->fs_blocks = 0; 433 hip->rsrc_inode = NULL; 434 if (S_ISDIR(inode->i_mode)) { 435 inode->i_size = 2; 436 sbi->folder_count++; 437 inode->i_op = &hfsplus_dir_inode_operations; 438 inode->i_fop = &hfsplus_dir_operations; 439 } else if (S_ISREG(inode->i_mode)) { 440 sbi->file_count++; 441 inode->i_op = &hfsplus_file_inode_operations; 442 inode->i_fop = &hfsplus_file_operations; 443 inode->i_mapping->a_ops = &hfsplus_aops; 444 hip->clump_blocks = sbi->data_clump_blocks; 445 } else if (S_ISLNK(inode->i_mode)) { 446 sbi->file_count++; 447 inode->i_op = &page_symlink_inode_operations; 448 inode->i_mapping->a_ops = &hfsplus_aops; 449 hip->clump_blocks = 1; 450 } else 451 sbi->file_count++; 452 insert_inode_hash(inode); 453 mark_inode_dirty(inode); 454 hfsplus_mark_mdb_dirty(sb); 455 456 return inode; 457 } 458 459 void hfsplus_delete_inode(struct inode *inode) 460 { 461 struct super_block *sb = inode->i_sb; 462 463 if (S_ISDIR(inode->i_mode)) { 464 HFSPLUS_SB(sb)->folder_count--; 465 hfsplus_mark_mdb_dirty(sb); 466 return; 467 } 468 HFSPLUS_SB(sb)->file_count--; 469 if (S_ISREG(inode->i_mode)) { 470 if (!inode->i_nlink) { 471 inode->i_size = 0; 472 hfsplus_file_truncate(inode); 473 } 474 } else if (S_ISLNK(inode->i_mode)) { 475 inode->i_size = 0; 476 hfsplus_file_truncate(inode); 477 } 478 hfsplus_mark_mdb_dirty(sb); 479 } 480 481 void hfsplus_inode_read_fork(struct inode *inode, struct hfsplus_fork_raw *fork) 482 { 483 struct super_block *sb = inode->i_sb; 484 struct hfsplus_sb_info *sbi = HFSPLUS_SB(sb); 485 struct hfsplus_inode_info *hip = HFSPLUS_I(inode); 486 u32 count; 487 int i; 488 489 memcpy(&hip->first_extents, &fork->extents, sizeof(hfsplus_extent_rec)); 490 for (count = 0, i = 0; i < 8; i++) 491 count += be32_to_cpu(fork->extents[i].block_count); 492 hip->first_blocks = count; 493 memset(hip->cached_extents, 0, sizeof(hfsplus_extent_rec)); 494 hip->cached_start = 0; 495 hip->cached_blocks = 0; 496 497 hip->alloc_blocks = be32_to_cpu(fork->total_blocks); 498 hip->phys_size = inode->i_size = be64_to_cpu(fork->total_size); 499 hip->fs_blocks = 500 (inode->i_size + sb->s_blocksize - 1) >> sb->s_blocksize_bits; 501 inode_set_bytes(inode, hip->fs_blocks << sb->s_blocksize_bits); 502 hip->clump_blocks = 503 be32_to_cpu(fork->clump_size) >> sbi->alloc_blksz_shift; 504 if (!hip->clump_blocks) { 505 hip->clump_blocks = HFSPLUS_IS_RSRC(inode) ? 506 sbi->rsrc_clump_blocks : 507 sbi->data_clump_blocks; 508 } 509 } 510 511 void hfsplus_inode_write_fork(struct inode *inode, 512 struct hfsplus_fork_raw *fork) 513 { 514 memcpy(&fork->extents, &HFSPLUS_I(inode)->first_extents, 515 sizeof(hfsplus_extent_rec)); 516 fork->total_size = cpu_to_be64(inode->i_size); 517 fork->total_blocks = cpu_to_be32(HFSPLUS_I(inode)->alloc_blocks); 518 } 519 520 int hfsplus_cat_read_inode(struct inode *inode, struct hfs_find_data *fd) 521 { 522 hfsplus_cat_entry entry; 523 int res = 0; 524 u16 type; 525 526 type = hfs_bnode_read_u16(fd->bnode, fd->entryoffset); 527 528 HFSPLUS_I(inode)->linkid = 0; 529 if (type == HFSPLUS_FOLDER) { 530 struct hfsplus_cat_folder *folder = &entry.folder; 531 532 if (fd->entrylength < sizeof(struct hfsplus_cat_folder)) 533 /* panic? */; 534 hfs_bnode_read(fd->bnode, &entry, fd->entryoffset, 535 sizeof(struct hfsplus_cat_folder)); 536 hfsplus_get_perms(inode, &folder->permissions, 1); 537 set_nlink(inode, 1); 538 inode->i_size = 2 + be32_to_cpu(folder->valence); 539 inode->i_atime = hfsp_mt2ut(folder->access_date); 540 inode->i_mtime = hfsp_mt2ut(folder->content_mod_date); 541 inode->i_ctime = hfsp_mt2ut(folder->attribute_mod_date); 542 HFSPLUS_I(inode)->create_date = folder->create_date; 543 HFSPLUS_I(inode)->fs_blocks = 0; 544 inode->i_op = &hfsplus_dir_inode_operations; 545 inode->i_fop = &hfsplus_dir_operations; 546 } else if (type == HFSPLUS_FILE) { 547 struct hfsplus_cat_file *file = &entry.file; 548 549 if (fd->entrylength < sizeof(struct hfsplus_cat_file)) 550 /* panic? */; 551 hfs_bnode_read(fd->bnode, &entry, fd->entryoffset, 552 sizeof(struct hfsplus_cat_file)); 553 554 hfsplus_inode_read_fork(inode, HFSPLUS_IS_RSRC(inode) ? 555 &file->rsrc_fork : &file->data_fork); 556 hfsplus_get_perms(inode, &file->permissions, 0); 557 set_nlink(inode, 1); 558 if (S_ISREG(inode->i_mode)) { 559 if (file->permissions.dev) 560 set_nlink(inode, 561 be32_to_cpu(file->permissions.dev)); 562 inode->i_op = &hfsplus_file_inode_operations; 563 inode->i_fop = &hfsplus_file_operations; 564 inode->i_mapping->a_ops = &hfsplus_aops; 565 } else if (S_ISLNK(inode->i_mode)) { 566 inode->i_op = &page_symlink_inode_operations; 567 inode->i_mapping->a_ops = &hfsplus_aops; 568 } else { 569 init_special_inode(inode, inode->i_mode, 570 be32_to_cpu(file->permissions.dev)); 571 } 572 inode->i_atime = hfsp_mt2ut(file->access_date); 573 inode->i_mtime = hfsp_mt2ut(file->content_mod_date); 574 inode->i_ctime = hfsp_mt2ut(file->attribute_mod_date); 575 HFSPLUS_I(inode)->create_date = file->create_date; 576 } else { 577 pr_err("bad catalog entry used to create inode\n"); 578 res = -EIO; 579 } 580 return res; 581 } 582 583 int hfsplus_cat_write_inode(struct inode *inode) 584 { 585 struct inode *main_inode = inode; 586 struct hfs_find_data fd; 587 hfsplus_cat_entry entry; 588 589 if (HFSPLUS_IS_RSRC(inode)) 590 main_inode = HFSPLUS_I(inode)->rsrc_inode; 591 592 if (!main_inode->i_nlink) 593 return 0; 594 595 if (hfs_find_init(HFSPLUS_SB(main_inode->i_sb)->cat_tree, &fd)) 596 /* panic? */ 597 return -EIO; 598 599 if (hfsplus_find_cat(main_inode->i_sb, main_inode->i_ino, &fd)) 600 /* panic? */ 601 goto out; 602 603 if (S_ISDIR(main_inode->i_mode)) { 604 struct hfsplus_cat_folder *folder = &entry.folder; 605 606 if (fd.entrylength < sizeof(struct hfsplus_cat_folder)) 607 /* panic? */; 608 hfs_bnode_read(fd.bnode, &entry, fd.entryoffset, 609 sizeof(struct hfsplus_cat_folder)); 610 /* simple node checks? */ 611 hfsplus_cat_set_perms(inode, &folder->permissions); 612 folder->access_date = hfsp_ut2mt(inode->i_atime); 613 folder->content_mod_date = hfsp_ut2mt(inode->i_mtime); 614 folder->attribute_mod_date = hfsp_ut2mt(inode->i_ctime); 615 folder->valence = cpu_to_be32(inode->i_size - 2); 616 hfs_bnode_write(fd.bnode, &entry, fd.entryoffset, 617 sizeof(struct hfsplus_cat_folder)); 618 } else if (HFSPLUS_IS_RSRC(inode)) { 619 struct hfsplus_cat_file *file = &entry.file; 620 hfs_bnode_read(fd.bnode, &entry, fd.entryoffset, 621 sizeof(struct hfsplus_cat_file)); 622 hfsplus_inode_write_fork(inode, &file->rsrc_fork); 623 hfs_bnode_write(fd.bnode, &entry, fd.entryoffset, 624 sizeof(struct hfsplus_cat_file)); 625 } else { 626 struct hfsplus_cat_file *file = &entry.file; 627 628 if (fd.entrylength < sizeof(struct hfsplus_cat_file)) 629 /* panic? */; 630 hfs_bnode_read(fd.bnode, &entry, fd.entryoffset, 631 sizeof(struct hfsplus_cat_file)); 632 hfsplus_inode_write_fork(inode, &file->data_fork); 633 hfsplus_cat_set_perms(inode, &file->permissions); 634 if (HFSPLUS_FLG_IMMUTABLE & 635 (file->permissions.rootflags | 636 file->permissions.userflags)) 637 file->flags |= cpu_to_be16(HFSPLUS_FILE_LOCKED); 638 else 639 file->flags &= cpu_to_be16(~HFSPLUS_FILE_LOCKED); 640 file->access_date = hfsp_ut2mt(inode->i_atime); 641 file->content_mod_date = hfsp_ut2mt(inode->i_mtime); 642 file->attribute_mod_date = hfsp_ut2mt(inode->i_ctime); 643 hfs_bnode_write(fd.bnode, &entry, fd.entryoffset, 644 sizeof(struct hfsplus_cat_file)); 645 } 646 647 set_bit(HFSPLUS_I_CAT_DIRTY, &HFSPLUS_I(inode)->flags); 648 out: 649 hfs_find_exit(&fd); 650 return 0; 651 } 652