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 17 #include "hfs_fs.h" 18 #include "btree.h" 19 20 static const struct file_operations hfs_file_operations; 21 static const struct inode_operations hfs_file_inode_operations; 22 23 /*================ Variable-like macros ================*/ 24 25 #define HFS_VALID_MODE_BITS (S_IFREG | S_IFDIR | S_IRWXUGO) 26 27 static int hfs_writepage(struct page *page, struct writeback_control *wbc) 28 { 29 return block_write_full_page(page, hfs_get_block, wbc); 30 } 31 32 static int hfs_readpage(struct file *file, struct page *page) 33 { 34 return block_read_full_page(page, hfs_get_block); 35 } 36 37 static int hfs_prepare_write(struct file *file, struct page *page, unsigned from, unsigned to) 38 { 39 return cont_prepare_write(page, from, to, hfs_get_block, 40 &HFS_I(page->mapping->host)->phys_size); 41 } 42 43 static sector_t hfs_bmap(struct address_space *mapping, sector_t block) 44 { 45 return generic_block_bmap(mapping, block, hfs_get_block); 46 } 47 48 static int hfs_releasepage(struct page *page, gfp_t mask) 49 { 50 struct inode *inode = page->mapping->host; 51 struct super_block *sb = inode->i_sb; 52 struct hfs_btree *tree; 53 struct hfs_bnode *node; 54 u32 nidx; 55 int i, res = 1; 56 57 switch (inode->i_ino) { 58 case HFS_EXT_CNID: 59 tree = HFS_SB(sb)->ext_tree; 60 break; 61 case HFS_CAT_CNID: 62 tree = HFS_SB(sb)->cat_tree; 63 break; 64 default: 65 BUG(); 66 return 0; 67 } 68 if (tree->node_size >= PAGE_CACHE_SIZE) { 69 nidx = page->index >> (tree->node_size_shift - PAGE_CACHE_SHIFT); 70 spin_lock(&tree->hash_lock); 71 node = hfs_bnode_findhash(tree, nidx); 72 if (!node) 73 ; 74 else if (atomic_read(&node->refcnt)) 75 res = 0; 76 if (res && node) { 77 hfs_bnode_unhash(node); 78 hfs_bnode_free(node); 79 } 80 spin_unlock(&tree->hash_lock); 81 } else { 82 nidx = page->index << (PAGE_CACHE_SHIFT - tree->node_size_shift); 83 i = 1 << (PAGE_CACHE_SHIFT - tree->node_size_shift); 84 spin_lock(&tree->hash_lock); 85 do { 86 node = hfs_bnode_findhash(tree, nidx++); 87 if (!node) 88 continue; 89 if (atomic_read(&node->refcnt)) { 90 res = 0; 91 break; 92 } 93 hfs_bnode_unhash(node); 94 hfs_bnode_free(node); 95 } while (--i && nidx < tree->node_count); 96 spin_unlock(&tree->hash_lock); 97 } 98 return res ? try_to_free_buffers(page) : 0; 99 } 100 101 static ssize_t hfs_direct_IO(int rw, struct kiocb *iocb, 102 const struct iovec *iov, loff_t offset, unsigned long nr_segs) 103 { 104 struct file *file = iocb->ki_filp; 105 struct inode *inode = file->f_path.dentry->d_inode->i_mapping->host; 106 107 return blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iov, 108 offset, nr_segs, hfs_get_block, NULL); 109 } 110 111 static int hfs_writepages(struct address_space *mapping, 112 struct writeback_control *wbc) 113 { 114 return mpage_writepages(mapping, wbc, hfs_get_block); 115 } 116 117 const struct address_space_operations hfs_btree_aops = { 118 .readpage = hfs_readpage, 119 .writepage = hfs_writepage, 120 .sync_page = block_sync_page, 121 .prepare_write = hfs_prepare_write, 122 .commit_write = generic_commit_write, 123 .bmap = hfs_bmap, 124 .releasepage = hfs_releasepage, 125 }; 126 127 const struct address_space_operations hfs_aops = { 128 .readpage = hfs_readpage, 129 .writepage = hfs_writepage, 130 .sync_page = block_sync_page, 131 .prepare_write = hfs_prepare_write, 132 .commit_write = generic_commit_write, 133 .bmap = hfs_bmap, 134 .direct_IO = hfs_direct_IO, 135 .writepages = hfs_writepages, 136 }; 137 138 /* 139 * hfs_new_inode 140 */ 141 struct inode *hfs_new_inode(struct inode *dir, struct qstr *name, int mode) 142 { 143 struct super_block *sb = dir->i_sb; 144 struct inode *inode = new_inode(sb); 145 if (!inode) 146 return NULL; 147 148 init_MUTEX(&HFS_I(inode)->extents_lock); 149 INIT_LIST_HEAD(&HFS_I(inode)->open_dir_list); 150 hfs_cat_build_key(sb, (btree_key *)&HFS_I(inode)->cat_key, dir->i_ino, name); 151 inode->i_ino = HFS_SB(sb)->next_id++; 152 inode->i_mode = mode; 153 inode->i_uid = current->fsuid; 154 inode->i_gid = current->fsgid; 155 inode->i_nlink = 1; 156 inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC; 157 HFS_I(inode)->flags = 0; 158 HFS_I(inode)->rsrc_inode = NULL; 159 HFS_I(inode)->fs_blocks = 0; 160 if (S_ISDIR(mode)) { 161 inode->i_size = 2; 162 HFS_SB(sb)->folder_count++; 163 if (dir->i_ino == HFS_ROOT_CNID) 164 HFS_SB(sb)->root_dirs++; 165 inode->i_op = &hfs_dir_inode_operations; 166 inode->i_fop = &hfs_dir_operations; 167 inode->i_mode |= S_IRWXUGO; 168 inode->i_mode &= ~HFS_SB(inode->i_sb)->s_dir_umask; 169 } else if (S_ISREG(mode)) { 170 HFS_I(inode)->clump_blocks = HFS_SB(sb)->clumpablks; 171 HFS_SB(sb)->file_count++; 172 if (dir->i_ino == HFS_ROOT_CNID) 173 HFS_SB(sb)->root_files++; 174 inode->i_op = &hfs_file_inode_operations; 175 inode->i_fop = &hfs_file_operations; 176 inode->i_mapping->a_ops = &hfs_aops; 177 inode->i_mode |= S_IRUGO|S_IXUGO; 178 if (mode & S_IWUSR) 179 inode->i_mode |= S_IWUGO; 180 inode->i_mode &= ~HFS_SB(inode->i_sb)->s_file_umask; 181 HFS_I(inode)->phys_size = 0; 182 HFS_I(inode)->alloc_blocks = 0; 183 HFS_I(inode)->first_blocks = 0; 184 HFS_I(inode)->cached_start = 0; 185 HFS_I(inode)->cached_blocks = 0; 186 memset(HFS_I(inode)->first_extents, 0, sizeof(hfs_extent_rec)); 187 memset(HFS_I(inode)->cached_extents, 0, sizeof(hfs_extent_rec)); 188 } 189 insert_inode_hash(inode); 190 mark_inode_dirty(inode); 191 set_bit(HFS_FLG_MDB_DIRTY, &HFS_SB(sb)->flags); 192 sb->s_dirt = 1; 193 194 return inode; 195 } 196 197 void hfs_delete_inode(struct inode *inode) 198 { 199 struct super_block *sb = inode->i_sb; 200 201 dprint(DBG_INODE, "delete_inode: %lu\n", inode->i_ino); 202 if (S_ISDIR(inode->i_mode)) { 203 HFS_SB(sb)->folder_count--; 204 if (HFS_I(inode)->cat_key.ParID == cpu_to_be32(HFS_ROOT_CNID)) 205 HFS_SB(sb)->root_dirs--; 206 set_bit(HFS_FLG_MDB_DIRTY, &HFS_SB(sb)->flags); 207 sb->s_dirt = 1; 208 return; 209 } 210 HFS_SB(sb)->file_count--; 211 if (HFS_I(inode)->cat_key.ParID == cpu_to_be32(HFS_ROOT_CNID)) 212 HFS_SB(sb)->root_files--; 213 if (S_ISREG(inode->i_mode)) { 214 if (!inode->i_nlink) { 215 inode->i_size = 0; 216 hfs_file_truncate(inode); 217 } 218 } 219 set_bit(HFS_FLG_MDB_DIRTY, &HFS_SB(sb)->flags); 220 sb->s_dirt = 1; 221 } 222 223 void hfs_inode_read_fork(struct inode *inode, struct hfs_extent *ext, 224 __be32 __log_size, __be32 phys_size, u32 clump_size) 225 { 226 struct super_block *sb = inode->i_sb; 227 u32 log_size = be32_to_cpu(__log_size); 228 u16 count; 229 int i; 230 231 memcpy(HFS_I(inode)->first_extents, ext, sizeof(hfs_extent_rec)); 232 for (count = 0, i = 0; i < 3; i++) 233 count += be16_to_cpu(ext[i].count); 234 HFS_I(inode)->first_blocks = count; 235 236 inode->i_size = HFS_I(inode)->phys_size = log_size; 237 HFS_I(inode)->fs_blocks = (log_size + sb->s_blocksize - 1) >> sb->s_blocksize_bits; 238 inode_set_bytes(inode, HFS_I(inode)->fs_blocks << sb->s_blocksize_bits); 239 HFS_I(inode)->alloc_blocks = be32_to_cpu(phys_size) / 240 HFS_SB(sb)->alloc_blksz; 241 HFS_I(inode)->clump_blocks = clump_size / HFS_SB(sb)->alloc_blksz; 242 if (!HFS_I(inode)->clump_blocks) 243 HFS_I(inode)->clump_blocks = HFS_SB(sb)->clumpablks; 244 } 245 246 struct hfs_iget_data { 247 struct hfs_cat_key *key; 248 hfs_cat_rec *rec; 249 }; 250 251 static int hfs_test_inode(struct inode *inode, void *data) 252 { 253 struct hfs_iget_data *idata = data; 254 hfs_cat_rec *rec; 255 256 rec = idata->rec; 257 switch (rec->type) { 258 case HFS_CDR_DIR: 259 return inode->i_ino == be32_to_cpu(rec->dir.DirID); 260 case HFS_CDR_FIL: 261 return inode->i_ino == be32_to_cpu(rec->file.FlNum); 262 default: 263 BUG(); 264 return 1; 265 } 266 } 267 268 /* 269 * hfs_read_inode 270 */ 271 static int hfs_read_inode(struct inode *inode, void *data) 272 { 273 struct hfs_iget_data *idata = data; 274 struct hfs_sb_info *hsb = HFS_SB(inode->i_sb); 275 hfs_cat_rec *rec; 276 277 HFS_I(inode)->flags = 0; 278 HFS_I(inode)->rsrc_inode = NULL; 279 init_MUTEX(&HFS_I(inode)->extents_lock); 280 INIT_LIST_HEAD(&HFS_I(inode)->open_dir_list); 281 282 /* Initialize the inode */ 283 inode->i_uid = hsb->s_uid; 284 inode->i_gid = hsb->s_gid; 285 inode->i_nlink = 1; 286 287 if (idata->key) 288 HFS_I(inode)->cat_key = *idata->key; 289 else 290 HFS_I(inode)->flags |= HFS_FLG_RSRC; 291 HFS_I(inode)->tz_secondswest = sys_tz.tz_minuteswest * 60; 292 293 rec = idata->rec; 294 switch (rec->type) { 295 case HFS_CDR_FIL: 296 if (!HFS_IS_RSRC(inode)) { 297 hfs_inode_read_fork(inode, rec->file.ExtRec, rec->file.LgLen, 298 rec->file.PyLen, be16_to_cpu(rec->file.ClpSize)); 299 } else { 300 hfs_inode_read_fork(inode, rec->file.RExtRec, rec->file.RLgLen, 301 rec->file.RPyLen, be16_to_cpu(rec->file.ClpSize)); 302 } 303 304 inode->i_ino = be32_to_cpu(rec->file.FlNum); 305 inode->i_mode = S_IRUGO | S_IXUGO; 306 if (!(rec->file.Flags & HFS_FIL_LOCK)) 307 inode->i_mode |= S_IWUGO; 308 inode->i_mode &= ~hsb->s_file_umask; 309 inode->i_mode |= S_IFREG; 310 inode->i_ctime = inode->i_atime = inode->i_mtime = 311 hfs_m_to_utime(rec->file.MdDat); 312 inode->i_op = &hfs_file_inode_operations; 313 inode->i_fop = &hfs_file_operations; 314 inode->i_mapping->a_ops = &hfs_aops; 315 break; 316 case HFS_CDR_DIR: 317 inode->i_ino = be32_to_cpu(rec->dir.DirID); 318 inode->i_size = be16_to_cpu(rec->dir.Val) + 2; 319 HFS_I(inode)->fs_blocks = 0; 320 inode->i_mode = S_IFDIR | (S_IRWXUGO & ~hsb->s_dir_umask); 321 inode->i_ctime = inode->i_atime = inode->i_mtime = 322 hfs_m_to_utime(rec->dir.MdDat); 323 inode->i_op = &hfs_dir_inode_operations; 324 inode->i_fop = &hfs_dir_operations; 325 break; 326 default: 327 make_bad_inode(inode); 328 } 329 return 0; 330 } 331 332 /* 333 * __hfs_iget() 334 * 335 * Given the MDB for a HFS filesystem, a 'key' and an 'entry' in 336 * the catalog B-tree and the 'type' of the desired file return the 337 * inode for that file/directory or NULL. Note that 'type' indicates 338 * whether we want the actual file or directory, or the corresponding 339 * metadata (AppleDouble header file or CAP metadata file). 340 */ 341 struct inode *hfs_iget(struct super_block *sb, struct hfs_cat_key *key, hfs_cat_rec *rec) 342 { 343 struct hfs_iget_data data = { key, rec }; 344 struct inode *inode; 345 u32 cnid; 346 347 switch (rec->type) { 348 case HFS_CDR_DIR: 349 cnid = be32_to_cpu(rec->dir.DirID); 350 break; 351 case HFS_CDR_FIL: 352 cnid = be32_to_cpu(rec->file.FlNum); 353 break; 354 default: 355 return NULL; 356 } 357 inode = iget5_locked(sb, cnid, hfs_test_inode, hfs_read_inode, &data); 358 if (inode && (inode->i_state & I_NEW)) 359 unlock_new_inode(inode); 360 return inode; 361 } 362 363 void hfs_inode_write_fork(struct inode *inode, struct hfs_extent *ext, 364 __be32 *log_size, __be32 *phys_size) 365 { 366 memcpy(ext, HFS_I(inode)->first_extents, sizeof(hfs_extent_rec)); 367 368 if (log_size) 369 *log_size = cpu_to_be32(inode->i_size); 370 if (phys_size) 371 *phys_size = cpu_to_be32(HFS_I(inode)->alloc_blocks * 372 HFS_SB(inode->i_sb)->alloc_blksz); 373 } 374 375 int hfs_write_inode(struct inode *inode, int unused) 376 { 377 struct inode *main_inode = inode; 378 struct hfs_find_data fd; 379 hfs_cat_rec rec; 380 381 dprint(DBG_INODE, "hfs_write_inode: %lu\n", inode->i_ino); 382 hfs_ext_write_extent(inode); 383 384 if (inode->i_ino < HFS_FIRSTUSER_CNID) { 385 switch (inode->i_ino) { 386 case HFS_ROOT_CNID: 387 break; 388 case HFS_EXT_CNID: 389 hfs_btree_write(HFS_SB(inode->i_sb)->ext_tree); 390 return 0; 391 case HFS_CAT_CNID: 392 hfs_btree_write(HFS_SB(inode->i_sb)->cat_tree); 393 return 0; 394 default: 395 BUG(); 396 return -EIO; 397 } 398 } 399 400 if (HFS_IS_RSRC(inode)) 401 main_inode = HFS_I(inode)->rsrc_inode; 402 403 if (!main_inode->i_nlink) 404 return 0; 405 406 if (hfs_find_init(HFS_SB(main_inode->i_sb)->cat_tree, &fd)) 407 /* panic? */ 408 return -EIO; 409 410 fd.search_key->cat = HFS_I(main_inode)->cat_key; 411 if (hfs_brec_find(&fd)) 412 /* panic? */ 413 goto out; 414 415 if (S_ISDIR(main_inode->i_mode)) { 416 if (fd.entrylength < sizeof(struct hfs_cat_dir)) 417 /* panic? */; 418 hfs_bnode_read(fd.bnode, &rec, fd.entryoffset, 419 sizeof(struct hfs_cat_dir)); 420 if (rec.type != HFS_CDR_DIR || 421 be32_to_cpu(rec.dir.DirID) != inode->i_ino) { 422 } 423 424 rec.dir.MdDat = hfs_u_to_mtime(inode->i_mtime); 425 rec.dir.Val = cpu_to_be16(inode->i_size - 2); 426 427 hfs_bnode_write(fd.bnode, &rec, fd.entryoffset, 428 sizeof(struct hfs_cat_dir)); 429 } else if (HFS_IS_RSRC(inode)) { 430 hfs_bnode_read(fd.bnode, &rec, fd.entryoffset, 431 sizeof(struct hfs_cat_file)); 432 hfs_inode_write_fork(inode, rec.file.RExtRec, 433 &rec.file.RLgLen, &rec.file.RPyLen); 434 hfs_bnode_write(fd.bnode, &rec, fd.entryoffset, 435 sizeof(struct hfs_cat_file)); 436 } else { 437 if (fd.entrylength < sizeof(struct hfs_cat_file)) 438 /* panic? */; 439 hfs_bnode_read(fd.bnode, &rec, fd.entryoffset, 440 sizeof(struct hfs_cat_file)); 441 if (rec.type != HFS_CDR_FIL || 442 be32_to_cpu(rec.file.FlNum) != inode->i_ino) { 443 } 444 445 if (inode->i_mode & S_IWUSR) 446 rec.file.Flags &= ~HFS_FIL_LOCK; 447 else 448 rec.file.Flags |= HFS_FIL_LOCK; 449 hfs_inode_write_fork(inode, rec.file.ExtRec, &rec.file.LgLen, &rec.file.PyLen); 450 rec.file.MdDat = hfs_u_to_mtime(inode->i_mtime); 451 452 hfs_bnode_write(fd.bnode, &rec, fd.entryoffset, 453 sizeof(struct hfs_cat_file)); 454 } 455 out: 456 hfs_find_exit(&fd); 457 return 0; 458 } 459 460 static struct dentry *hfs_file_lookup(struct inode *dir, struct dentry *dentry, 461 struct nameidata *nd) 462 { 463 struct inode *inode = NULL; 464 hfs_cat_rec rec; 465 struct hfs_find_data fd; 466 int res; 467 468 if (HFS_IS_RSRC(dir) || strcmp(dentry->d_name.name, "rsrc")) 469 goto out; 470 471 inode = HFS_I(dir)->rsrc_inode; 472 if (inode) 473 goto out; 474 475 inode = new_inode(dir->i_sb); 476 if (!inode) 477 return ERR_PTR(-ENOMEM); 478 479 hfs_find_init(HFS_SB(dir->i_sb)->cat_tree, &fd); 480 fd.search_key->cat = HFS_I(dir)->cat_key; 481 res = hfs_brec_read(&fd, &rec, sizeof(rec)); 482 if (!res) { 483 struct hfs_iget_data idata = { NULL, &rec }; 484 hfs_read_inode(inode, &idata); 485 } 486 hfs_find_exit(&fd); 487 if (res) { 488 iput(inode); 489 return ERR_PTR(res); 490 } 491 HFS_I(inode)->rsrc_inode = dir; 492 HFS_I(dir)->rsrc_inode = inode; 493 igrab(dir); 494 hlist_add_head(&inode->i_hash, &HFS_SB(dir->i_sb)->rsrc_inodes); 495 mark_inode_dirty(inode); 496 out: 497 d_add(dentry, inode); 498 return NULL; 499 } 500 501 void hfs_clear_inode(struct inode *inode) 502 { 503 if (HFS_IS_RSRC(inode) && HFS_I(inode)->rsrc_inode) { 504 HFS_I(HFS_I(inode)->rsrc_inode)->rsrc_inode = NULL; 505 iput(HFS_I(inode)->rsrc_inode); 506 } 507 } 508 509 static int hfs_permission(struct inode *inode, int mask, 510 struct nameidata *nd) 511 { 512 if (S_ISREG(inode->i_mode) && mask & MAY_EXEC) 513 return 0; 514 return generic_permission(inode, mask, NULL); 515 } 516 517 static int hfs_file_open(struct inode *inode, struct file *file) 518 { 519 if (HFS_IS_RSRC(inode)) 520 inode = HFS_I(inode)->rsrc_inode; 521 if (atomic_read(&file->f_count) != 1) 522 return 0; 523 atomic_inc(&HFS_I(inode)->opencnt); 524 return 0; 525 } 526 527 static int hfs_file_release(struct inode *inode, struct file *file) 528 { 529 //struct super_block *sb = inode->i_sb; 530 531 if (HFS_IS_RSRC(inode)) 532 inode = HFS_I(inode)->rsrc_inode; 533 if (atomic_read(&file->f_count) != 0) 534 return 0; 535 if (atomic_dec_and_test(&HFS_I(inode)->opencnt)) { 536 mutex_lock(&inode->i_mutex); 537 hfs_file_truncate(inode); 538 //if (inode->i_flags & S_DEAD) { 539 // hfs_delete_cat(inode->i_ino, HFSPLUS_SB(sb).hidden_dir, NULL); 540 // hfs_delete_inode(inode); 541 //} 542 mutex_unlock(&inode->i_mutex); 543 } 544 return 0; 545 } 546 547 /* 548 * hfs_notify_change() 549 * 550 * Based very closely on fs/msdos/inode.c by Werner Almesberger 551 * 552 * This is the notify_change() field in the super_operations structure 553 * for HFS file systems. The purpose is to take that changes made to 554 * an inode and apply then in a filesystem-dependent manner. In this 555 * case the process has a few of tasks to do: 556 * 1) prevent changes to the i_uid and i_gid fields. 557 * 2) map file permissions to the closest allowable permissions 558 * 3) Since multiple Linux files can share the same on-disk inode under 559 * HFS (for instance the data and resource forks of a file) a change 560 * to permissions must be applied to all other in-core inodes which 561 * correspond to the same HFS file. 562 */ 563 564 int hfs_inode_setattr(struct dentry *dentry, struct iattr * attr) 565 { 566 struct inode *inode = dentry->d_inode; 567 struct hfs_sb_info *hsb = HFS_SB(inode->i_sb); 568 int error; 569 570 error = inode_change_ok(inode, attr); /* basic permission checks */ 571 if (error) 572 return error; 573 574 /* no uig/gid changes and limit which mode bits can be set */ 575 if (((attr->ia_valid & ATTR_UID) && 576 (attr->ia_uid != hsb->s_uid)) || 577 ((attr->ia_valid & ATTR_GID) && 578 (attr->ia_gid != hsb->s_gid)) || 579 ((attr->ia_valid & ATTR_MODE) && 580 ((S_ISDIR(inode->i_mode) && 581 (attr->ia_mode != inode->i_mode)) || 582 (attr->ia_mode & ~HFS_VALID_MODE_BITS)))) { 583 return hsb->s_quiet ? 0 : error; 584 } 585 586 if (attr->ia_valid & ATTR_MODE) { 587 /* Only the 'w' bits can ever change and only all together. */ 588 if (attr->ia_mode & S_IWUSR) 589 attr->ia_mode = inode->i_mode | S_IWUGO; 590 else 591 attr->ia_mode = inode->i_mode & ~S_IWUGO; 592 attr->ia_mode &= S_ISDIR(inode->i_mode) ? ~hsb->s_dir_umask: ~hsb->s_file_umask; 593 } 594 error = inode_setattr(inode, attr); 595 if (error) 596 return error; 597 598 return 0; 599 } 600 601 602 static const struct file_operations hfs_file_operations = { 603 .llseek = generic_file_llseek, 604 .read = do_sync_read, 605 .aio_read = generic_file_aio_read, 606 .write = do_sync_write, 607 .aio_write = generic_file_aio_write, 608 .mmap = generic_file_mmap, 609 .sendfile = generic_file_sendfile, 610 .fsync = file_fsync, 611 .open = hfs_file_open, 612 .release = hfs_file_release, 613 }; 614 615 static const struct inode_operations hfs_file_inode_operations = { 616 .lookup = hfs_file_lookup, 617 .truncate = hfs_file_truncate, 618 .setattr = hfs_inode_setattr, 619 .permission = hfs_permission, 620 .setxattr = hfs_setxattr, 621 .getxattr = hfs_getxattr, 622 .listxattr = hfs_listxattr, 623 }; 624