1 /* 2 * linux/fs/hfs/inode.c 3 * 4 * Copyright (C) 1995-1997 Paul H. Hargrove 5 * (C) 2003 Ardis Technologies <roman@ardistech.com> 6 * This file may be distributed under the terms of the GNU General Public License. 7 * 8 * This file contains inode-related functions which do not depend on 9 * which scheme is being used to represent forks. 10 * 11 * Based on the minix file system code, (C) 1991, 1992 by Linus Torvalds 12 */ 13 14 #include <linux/pagemap.h> 15 #include <linux/mpage.h> 16 #include <linux/sched.h> 17 18 #include "hfs_fs.h" 19 #include "btree.h" 20 21 static const struct file_operations hfs_file_operations; 22 static const struct inode_operations hfs_file_inode_operations; 23 24 /*================ Variable-like macros ================*/ 25 26 #define HFS_VALID_MODE_BITS (S_IFREG | S_IFDIR | S_IRWXUGO) 27 28 static int hfs_writepage(struct page *page, struct writeback_control *wbc) 29 { 30 return block_write_full_page(page, hfs_get_block, wbc); 31 } 32 33 static int hfs_readpage(struct file *file, struct page *page) 34 { 35 return block_read_full_page(page, hfs_get_block); 36 } 37 38 static int hfs_write_begin(struct file *file, struct address_space *mapping, 39 loff_t pos, unsigned len, unsigned flags, 40 struct page **pagep, void **fsdata) 41 { 42 *pagep = NULL; 43 return cont_write_begin(file, mapping, pos, len, flags, pagep, fsdata, 44 hfs_get_block, 45 &HFS_I(mapping->host)->phys_size); 46 } 47 48 static sector_t hfs_bmap(struct address_space *mapping, sector_t block) 49 { 50 return generic_block_bmap(mapping, block, hfs_get_block); 51 } 52 53 static int hfs_releasepage(struct page *page, gfp_t mask) 54 { 55 struct inode *inode = page->mapping->host; 56 struct super_block *sb = inode->i_sb; 57 struct hfs_btree *tree; 58 struct hfs_bnode *node; 59 u32 nidx; 60 int i, res = 1; 61 62 switch (inode->i_ino) { 63 case HFS_EXT_CNID: 64 tree = HFS_SB(sb)->ext_tree; 65 break; 66 case HFS_CAT_CNID: 67 tree = HFS_SB(sb)->cat_tree; 68 break; 69 default: 70 BUG(); 71 return 0; 72 } 73 if (tree->node_size >= PAGE_CACHE_SIZE) { 74 nidx = page->index >> (tree->node_size_shift - PAGE_CACHE_SHIFT); 75 spin_lock(&tree->hash_lock); 76 node = hfs_bnode_findhash(tree, nidx); 77 if (!node) 78 ; 79 else if (atomic_read(&node->refcnt)) 80 res = 0; 81 if (res && node) { 82 hfs_bnode_unhash(node); 83 hfs_bnode_free(node); 84 } 85 spin_unlock(&tree->hash_lock); 86 } else { 87 nidx = page->index << (PAGE_CACHE_SHIFT - tree->node_size_shift); 88 i = 1 << (PAGE_CACHE_SHIFT - tree->node_size_shift); 89 spin_lock(&tree->hash_lock); 90 do { 91 node = hfs_bnode_findhash(tree, nidx++); 92 if (!node) 93 continue; 94 if (atomic_read(&node->refcnt)) { 95 res = 0; 96 break; 97 } 98 hfs_bnode_unhash(node); 99 hfs_bnode_free(node); 100 } while (--i && nidx < tree->node_count); 101 spin_unlock(&tree->hash_lock); 102 } 103 return res ? try_to_free_buffers(page) : 0; 104 } 105 106 static ssize_t hfs_direct_IO(int rw, struct kiocb *iocb, 107 const struct iovec *iov, loff_t offset, unsigned long nr_segs) 108 { 109 struct file *file = iocb->ki_filp; 110 struct inode *inode = file->f_path.dentry->d_inode->i_mapping->host; 111 112 return blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iov, 113 offset, nr_segs, hfs_get_block, NULL); 114 } 115 116 static int hfs_writepages(struct address_space *mapping, 117 struct writeback_control *wbc) 118 { 119 return mpage_writepages(mapping, wbc, hfs_get_block); 120 } 121 122 const struct address_space_operations hfs_btree_aops = { 123 .readpage = hfs_readpage, 124 .writepage = hfs_writepage, 125 .sync_page = block_sync_page, 126 .write_begin = hfs_write_begin, 127 .write_end = generic_write_end, 128 .bmap = hfs_bmap, 129 .releasepage = hfs_releasepage, 130 }; 131 132 const struct address_space_operations hfs_aops = { 133 .readpage = hfs_readpage, 134 .writepage = hfs_writepage, 135 .sync_page = block_sync_page, 136 .write_begin = hfs_write_begin, 137 .write_end = generic_write_end, 138 .bmap = hfs_bmap, 139 .direct_IO = hfs_direct_IO, 140 .writepages = hfs_writepages, 141 }; 142 143 /* 144 * hfs_new_inode 145 */ 146 struct inode *hfs_new_inode(struct inode *dir, struct qstr *name, int mode) 147 { 148 struct super_block *sb = dir->i_sb; 149 struct inode *inode = new_inode(sb); 150 if (!inode) 151 return NULL; 152 153 mutex_init(&HFS_I(inode)->extents_lock); 154 INIT_LIST_HEAD(&HFS_I(inode)->open_dir_list); 155 hfs_cat_build_key(sb, (btree_key *)&HFS_I(inode)->cat_key, dir->i_ino, name); 156 inode->i_ino = HFS_SB(sb)->next_id++; 157 inode->i_mode = mode; 158 inode->i_uid = current->fsuid; 159 inode->i_gid = current->fsgid; 160 inode->i_nlink = 1; 161 inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC; 162 HFS_I(inode)->flags = 0; 163 HFS_I(inode)->rsrc_inode = NULL; 164 HFS_I(inode)->fs_blocks = 0; 165 if (S_ISDIR(mode)) { 166 inode->i_size = 2; 167 HFS_SB(sb)->folder_count++; 168 if (dir->i_ino == HFS_ROOT_CNID) 169 HFS_SB(sb)->root_dirs++; 170 inode->i_op = &hfs_dir_inode_operations; 171 inode->i_fop = &hfs_dir_operations; 172 inode->i_mode |= S_IRWXUGO; 173 inode->i_mode &= ~HFS_SB(inode->i_sb)->s_dir_umask; 174 } else if (S_ISREG(mode)) { 175 HFS_I(inode)->clump_blocks = HFS_SB(sb)->clumpablks; 176 HFS_SB(sb)->file_count++; 177 if (dir->i_ino == HFS_ROOT_CNID) 178 HFS_SB(sb)->root_files++; 179 inode->i_op = &hfs_file_inode_operations; 180 inode->i_fop = &hfs_file_operations; 181 inode->i_mapping->a_ops = &hfs_aops; 182 inode->i_mode |= S_IRUGO|S_IXUGO; 183 if (mode & S_IWUSR) 184 inode->i_mode |= S_IWUGO; 185 inode->i_mode &= ~HFS_SB(inode->i_sb)->s_file_umask; 186 HFS_I(inode)->phys_size = 0; 187 HFS_I(inode)->alloc_blocks = 0; 188 HFS_I(inode)->first_blocks = 0; 189 HFS_I(inode)->cached_start = 0; 190 HFS_I(inode)->cached_blocks = 0; 191 memset(HFS_I(inode)->first_extents, 0, sizeof(hfs_extent_rec)); 192 memset(HFS_I(inode)->cached_extents, 0, sizeof(hfs_extent_rec)); 193 } 194 insert_inode_hash(inode); 195 mark_inode_dirty(inode); 196 set_bit(HFS_FLG_MDB_DIRTY, &HFS_SB(sb)->flags); 197 sb->s_dirt = 1; 198 199 return inode; 200 } 201 202 void hfs_delete_inode(struct inode *inode) 203 { 204 struct super_block *sb = inode->i_sb; 205 206 dprint(DBG_INODE, "delete_inode: %lu\n", inode->i_ino); 207 if (S_ISDIR(inode->i_mode)) { 208 HFS_SB(sb)->folder_count--; 209 if (HFS_I(inode)->cat_key.ParID == cpu_to_be32(HFS_ROOT_CNID)) 210 HFS_SB(sb)->root_dirs--; 211 set_bit(HFS_FLG_MDB_DIRTY, &HFS_SB(sb)->flags); 212 sb->s_dirt = 1; 213 return; 214 } 215 HFS_SB(sb)->file_count--; 216 if (HFS_I(inode)->cat_key.ParID == cpu_to_be32(HFS_ROOT_CNID)) 217 HFS_SB(sb)->root_files--; 218 if (S_ISREG(inode->i_mode)) { 219 if (!inode->i_nlink) { 220 inode->i_size = 0; 221 hfs_file_truncate(inode); 222 } 223 } 224 set_bit(HFS_FLG_MDB_DIRTY, &HFS_SB(sb)->flags); 225 sb->s_dirt = 1; 226 } 227 228 void hfs_inode_read_fork(struct inode *inode, struct hfs_extent *ext, 229 __be32 __log_size, __be32 phys_size, u32 clump_size) 230 { 231 struct super_block *sb = inode->i_sb; 232 u32 log_size = be32_to_cpu(__log_size); 233 u16 count; 234 int i; 235 236 memcpy(HFS_I(inode)->first_extents, ext, sizeof(hfs_extent_rec)); 237 for (count = 0, i = 0; i < 3; i++) 238 count += be16_to_cpu(ext[i].count); 239 HFS_I(inode)->first_blocks = count; 240 241 inode->i_size = HFS_I(inode)->phys_size = log_size; 242 HFS_I(inode)->fs_blocks = (log_size + sb->s_blocksize - 1) >> sb->s_blocksize_bits; 243 inode_set_bytes(inode, HFS_I(inode)->fs_blocks << sb->s_blocksize_bits); 244 HFS_I(inode)->alloc_blocks = be32_to_cpu(phys_size) / 245 HFS_SB(sb)->alloc_blksz; 246 HFS_I(inode)->clump_blocks = clump_size / HFS_SB(sb)->alloc_blksz; 247 if (!HFS_I(inode)->clump_blocks) 248 HFS_I(inode)->clump_blocks = HFS_SB(sb)->clumpablks; 249 } 250 251 struct hfs_iget_data { 252 struct hfs_cat_key *key; 253 hfs_cat_rec *rec; 254 }; 255 256 static int hfs_test_inode(struct inode *inode, void *data) 257 { 258 struct hfs_iget_data *idata = data; 259 hfs_cat_rec *rec; 260 261 rec = idata->rec; 262 switch (rec->type) { 263 case HFS_CDR_DIR: 264 return inode->i_ino == be32_to_cpu(rec->dir.DirID); 265 case HFS_CDR_FIL: 266 return inode->i_ino == be32_to_cpu(rec->file.FlNum); 267 default: 268 BUG(); 269 return 1; 270 } 271 } 272 273 /* 274 * hfs_read_inode 275 */ 276 static int hfs_read_inode(struct inode *inode, void *data) 277 { 278 struct hfs_iget_data *idata = data; 279 struct hfs_sb_info *hsb = HFS_SB(inode->i_sb); 280 hfs_cat_rec *rec; 281 282 HFS_I(inode)->flags = 0; 283 HFS_I(inode)->rsrc_inode = NULL; 284 mutex_init(&HFS_I(inode)->extents_lock); 285 INIT_LIST_HEAD(&HFS_I(inode)->open_dir_list); 286 287 /* Initialize the inode */ 288 inode->i_uid = hsb->s_uid; 289 inode->i_gid = hsb->s_gid; 290 inode->i_nlink = 1; 291 292 if (idata->key) 293 HFS_I(inode)->cat_key = *idata->key; 294 else 295 HFS_I(inode)->flags |= HFS_FLG_RSRC; 296 HFS_I(inode)->tz_secondswest = sys_tz.tz_minuteswest * 60; 297 298 rec = idata->rec; 299 switch (rec->type) { 300 case HFS_CDR_FIL: 301 if (!HFS_IS_RSRC(inode)) { 302 hfs_inode_read_fork(inode, rec->file.ExtRec, rec->file.LgLen, 303 rec->file.PyLen, be16_to_cpu(rec->file.ClpSize)); 304 } else { 305 hfs_inode_read_fork(inode, rec->file.RExtRec, rec->file.RLgLen, 306 rec->file.RPyLen, be16_to_cpu(rec->file.ClpSize)); 307 } 308 309 inode->i_ino = be32_to_cpu(rec->file.FlNum); 310 inode->i_mode = S_IRUGO | S_IXUGO; 311 if (!(rec->file.Flags & HFS_FIL_LOCK)) 312 inode->i_mode |= S_IWUGO; 313 inode->i_mode &= ~hsb->s_file_umask; 314 inode->i_mode |= S_IFREG; 315 inode->i_ctime = inode->i_atime = inode->i_mtime = 316 hfs_m_to_utime(rec->file.MdDat); 317 inode->i_op = &hfs_file_inode_operations; 318 inode->i_fop = &hfs_file_operations; 319 inode->i_mapping->a_ops = &hfs_aops; 320 break; 321 case HFS_CDR_DIR: 322 inode->i_ino = be32_to_cpu(rec->dir.DirID); 323 inode->i_size = be16_to_cpu(rec->dir.Val) + 2; 324 HFS_I(inode)->fs_blocks = 0; 325 inode->i_mode = S_IFDIR | (S_IRWXUGO & ~hsb->s_dir_umask); 326 inode->i_ctime = inode->i_atime = inode->i_mtime = 327 hfs_m_to_utime(rec->dir.MdDat); 328 inode->i_op = &hfs_dir_inode_operations; 329 inode->i_fop = &hfs_dir_operations; 330 break; 331 default: 332 make_bad_inode(inode); 333 } 334 return 0; 335 } 336 337 /* 338 * __hfs_iget() 339 * 340 * Given the MDB for a HFS filesystem, a 'key' and an 'entry' in 341 * the catalog B-tree and the 'type' of the desired file return the 342 * inode for that file/directory or NULL. Note that 'type' indicates 343 * whether we want the actual file or directory, or the corresponding 344 * metadata (AppleDouble header file or CAP metadata file). 345 */ 346 struct inode *hfs_iget(struct super_block *sb, struct hfs_cat_key *key, hfs_cat_rec *rec) 347 { 348 struct hfs_iget_data data = { key, rec }; 349 struct inode *inode; 350 u32 cnid; 351 352 switch (rec->type) { 353 case HFS_CDR_DIR: 354 cnid = be32_to_cpu(rec->dir.DirID); 355 break; 356 case HFS_CDR_FIL: 357 cnid = be32_to_cpu(rec->file.FlNum); 358 break; 359 default: 360 return NULL; 361 } 362 inode = iget5_locked(sb, cnid, hfs_test_inode, hfs_read_inode, &data); 363 if (inode && (inode->i_state & I_NEW)) 364 unlock_new_inode(inode); 365 return inode; 366 } 367 368 void hfs_inode_write_fork(struct inode *inode, struct hfs_extent *ext, 369 __be32 *log_size, __be32 *phys_size) 370 { 371 memcpy(ext, HFS_I(inode)->first_extents, sizeof(hfs_extent_rec)); 372 373 if (log_size) 374 *log_size = cpu_to_be32(inode->i_size); 375 if (phys_size) 376 *phys_size = cpu_to_be32(HFS_I(inode)->alloc_blocks * 377 HFS_SB(inode->i_sb)->alloc_blksz); 378 } 379 380 int hfs_write_inode(struct inode *inode, int unused) 381 { 382 struct inode *main_inode = inode; 383 struct hfs_find_data fd; 384 hfs_cat_rec rec; 385 386 dprint(DBG_INODE, "hfs_write_inode: %lu\n", inode->i_ino); 387 hfs_ext_write_extent(inode); 388 389 if (inode->i_ino < HFS_FIRSTUSER_CNID) { 390 switch (inode->i_ino) { 391 case HFS_ROOT_CNID: 392 break; 393 case HFS_EXT_CNID: 394 hfs_btree_write(HFS_SB(inode->i_sb)->ext_tree); 395 return 0; 396 case HFS_CAT_CNID: 397 hfs_btree_write(HFS_SB(inode->i_sb)->cat_tree); 398 return 0; 399 default: 400 BUG(); 401 return -EIO; 402 } 403 } 404 405 if (HFS_IS_RSRC(inode)) 406 main_inode = HFS_I(inode)->rsrc_inode; 407 408 if (!main_inode->i_nlink) 409 return 0; 410 411 if (hfs_find_init(HFS_SB(main_inode->i_sb)->cat_tree, &fd)) 412 /* panic? */ 413 return -EIO; 414 415 fd.search_key->cat = HFS_I(main_inode)->cat_key; 416 if (hfs_brec_find(&fd)) 417 /* panic? */ 418 goto out; 419 420 if (S_ISDIR(main_inode->i_mode)) { 421 if (fd.entrylength < sizeof(struct hfs_cat_dir)) 422 /* panic? */; 423 hfs_bnode_read(fd.bnode, &rec, fd.entryoffset, 424 sizeof(struct hfs_cat_dir)); 425 if (rec.type != HFS_CDR_DIR || 426 be32_to_cpu(rec.dir.DirID) != inode->i_ino) { 427 } 428 429 rec.dir.MdDat = hfs_u_to_mtime(inode->i_mtime); 430 rec.dir.Val = cpu_to_be16(inode->i_size - 2); 431 432 hfs_bnode_write(fd.bnode, &rec, fd.entryoffset, 433 sizeof(struct hfs_cat_dir)); 434 } else if (HFS_IS_RSRC(inode)) { 435 hfs_bnode_read(fd.bnode, &rec, fd.entryoffset, 436 sizeof(struct hfs_cat_file)); 437 hfs_inode_write_fork(inode, rec.file.RExtRec, 438 &rec.file.RLgLen, &rec.file.RPyLen); 439 hfs_bnode_write(fd.bnode, &rec, fd.entryoffset, 440 sizeof(struct hfs_cat_file)); 441 } else { 442 if (fd.entrylength < sizeof(struct hfs_cat_file)) 443 /* panic? */; 444 hfs_bnode_read(fd.bnode, &rec, fd.entryoffset, 445 sizeof(struct hfs_cat_file)); 446 if (rec.type != HFS_CDR_FIL || 447 be32_to_cpu(rec.file.FlNum) != inode->i_ino) { 448 } 449 450 if (inode->i_mode & S_IWUSR) 451 rec.file.Flags &= ~HFS_FIL_LOCK; 452 else 453 rec.file.Flags |= HFS_FIL_LOCK; 454 hfs_inode_write_fork(inode, rec.file.ExtRec, &rec.file.LgLen, &rec.file.PyLen); 455 rec.file.MdDat = hfs_u_to_mtime(inode->i_mtime); 456 457 hfs_bnode_write(fd.bnode, &rec, fd.entryoffset, 458 sizeof(struct hfs_cat_file)); 459 } 460 out: 461 hfs_find_exit(&fd); 462 return 0; 463 } 464 465 static struct dentry *hfs_file_lookup(struct inode *dir, struct dentry *dentry, 466 struct nameidata *nd) 467 { 468 struct inode *inode = NULL; 469 hfs_cat_rec rec; 470 struct hfs_find_data fd; 471 int res; 472 473 if (HFS_IS_RSRC(dir) || strcmp(dentry->d_name.name, "rsrc")) 474 goto out; 475 476 inode = HFS_I(dir)->rsrc_inode; 477 if (inode) 478 goto out; 479 480 inode = new_inode(dir->i_sb); 481 if (!inode) 482 return ERR_PTR(-ENOMEM); 483 484 hfs_find_init(HFS_SB(dir->i_sb)->cat_tree, &fd); 485 fd.search_key->cat = HFS_I(dir)->cat_key; 486 res = hfs_brec_read(&fd, &rec, sizeof(rec)); 487 if (!res) { 488 struct hfs_iget_data idata = { NULL, &rec }; 489 hfs_read_inode(inode, &idata); 490 } 491 hfs_find_exit(&fd); 492 if (res) { 493 iput(inode); 494 return ERR_PTR(res); 495 } 496 HFS_I(inode)->rsrc_inode = dir; 497 HFS_I(dir)->rsrc_inode = inode; 498 igrab(dir); 499 hlist_add_head(&inode->i_hash, &HFS_SB(dir->i_sb)->rsrc_inodes); 500 mark_inode_dirty(inode); 501 out: 502 d_add(dentry, inode); 503 return NULL; 504 } 505 506 void hfs_clear_inode(struct inode *inode) 507 { 508 if (HFS_IS_RSRC(inode) && HFS_I(inode)->rsrc_inode) { 509 HFS_I(HFS_I(inode)->rsrc_inode)->rsrc_inode = NULL; 510 iput(HFS_I(inode)->rsrc_inode); 511 } 512 } 513 514 static int hfs_file_open(struct inode *inode, struct file *file) 515 { 516 if (HFS_IS_RSRC(inode)) 517 inode = HFS_I(inode)->rsrc_inode; 518 atomic_inc(&HFS_I(inode)->opencnt); 519 return 0; 520 } 521 522 static int hfs_file_release(struct inode *inode, struct file *file) 523 { 524 //struct super_block *sb = inode->i_sb; 525 526 if (HFS_IS_RSRC(inode)) 527 inode = HFS_I(inode)->rsrc_inode; 528 if (atomic_dec_and_test(&HFS_I(inode)->opencnt)) { 529 mutex_lock(&inode->i_mutex); 530 hfs_file_truncate(inode); 531 //if (inode->i_flags & S_DEAD) { 532 // hfs_delete_cat(inode->i_ino, HFSPLUS_SB(sb).hidden_dir, NULL); 533 // hfs_delete_inode(inode); 534 //} 535 mutex_unlock(&inode->i_mutex); 536 } 537 return 0; 538 } 539 540 /* 541 * hfs_notify_change() 542 * 543 * Based very closely on fs/msdos/inode.c by Werner Almesberger 544 * 545 * This is the notify_change() field in the super_operations structure 546 * for HFS file systems. The purpose is to take that changes made to 547 * an inode and apply then in a filesystem-dependent manner. In this 548 * case the process has a few of tasks to do: 549 * 1) prevent changes to the i_uid and i_gid fields. 550 * 2) map file permissions to the closest allowable permissions 551 * 3) Since multiple Linux files can share the same on-disk inode under 552 * HFS (for instance the data and resource forks of a file) a change 553 * to permissions must be applied to all other in-core inodes which 554 * correspond to the same HFS file. 555 */ 556 557 int hfs_inode_setattr(struct dentry *dentry, struct iattr * attr) 558 { 559 struct inode *inode = dentry->d_inode; 560 struct hfs_sb_info *hsb = HFS_SB(inode->i_sb); 561 int error; 562 563 error = inode_change_ok(inode, attr); /* basic permission checks */ 564 if (error) 565 return error; 566 567 /* no uig/gid changes and limit which mode bits can be set */ 568 if (((attr->ia_valid & ATTR_UID) && 569 (attr->ia_uid != hsb->s_uid)) || 570 ((attr->ia_valid & ATTR_GID) && 571 (attr->ia_gid != hsb->s_gid)) || 572 ((attr->ia_valid & ATTR_MODE) && 573 ((S_ISDIR(inode->i_mode) && 574 (attr->ia_mode != inode->i_mode)) || 575 (attr->ia_mode & ~HFS_VALID_MODE_BITS)))) { 576 return hsb->s_quiet ? 0 : error; 577 } 578 579 if (attr->ia_valid & ATTR_MODE) { 580 /* Only the 'w' bits can ever change and only all together. */ 581 if (attr->ia_mode & S_IWUSR) 582 attr->ia_mode = inode->i_mode | S_IWUGO; 583 else 584 attr->ia_mode = inode->i_mode & ~S_IWUGO; 585 attr->ia_mode &= S_ISDIR(inode->i_mode) ? ~hsb->s_dir_umask: ~hsb->s_file_umask; 586 } 587 error = inode_setattr(inode, attr); 588 if (error) 589 return error; 590 591 return 0; 592 } 593 594 595 static const struct file_operations hfs_file_operations = { 596 .llseek = generic_file_llseek, 597 .read = do_sync_read, 598 .aio_read = generic_file_aio_read, 599 .write = do_sync_write, 600 .aio_write = generic_file_aio_write, 601 .mmap = generic_file_mmap, 602 .splice_read = generic_file_splice_read, 603 .fsync = file_fsync, 604 .open = hfs_file_open, 605 .release = hfs_file_release, 606 }; 607 608 static const struct inode_operations hfs_file_inode_operations = { 609 .lookup = hfs_file_lookup, 610 .truncate = hfs_file_truncate, 611 .setattr = hfs_inode_setattr, 612 .setxattr = hfs_setxattr, 613 .getxattr = hfs_getxattr, 614 .listxattr = hfs_listxattr, 615 }; 616