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_prepare_write(struct file *file, struct page *page, unsigned from, unsigned to) 39 { 40 return cont_prepare_write(page, from, to, hfs_get_block, 41 &HFS_I(page->mapping->host)->phys_size); 42 } 43 44 static sector_t hfs_bmap(struct address_space *mapping, sector_t block) 45 { 46 return generic_block_bmap(mapping, block, hfs_get_block); 47 } 48 49 static int hfs_releasepage(struct page *page, gfp_t mask) 50 { 51 struct inode *inode = page->mapping->host; 52 struct super_block *sb = inode->i_sb; 53 struct hfs_btree *tree; 54 struct hfs_bnode *node; 55 u32 nidx; 56 int i, res = 1; 57 58 switch (inode->i_ino) { 59 case HFS_EXT_CNID: 60 tree = HFS_SB(sb)->ext_tree; 61 break; 62 case HFS_CAT_CNID: 63 tree = HFS_SB(sb)->cat_tree; 64 break; 65 default: 66 BUG(); 67 return 0; 68 } 69 if (tree->node_size >= PAGE_CACHE_SIZE) { 70 nidx = page->index >> (tree->node_size_shift - PAGE_CACHE_SHIFT); 71 spin_lock(&tree->hash_lock); 72 node = hfs_bnode_findhash(tree, nidx); 73 if (!node) 74 ; 75 else if (atomic_read(&node->refcnt)) 76 res = 0; 77 if (res && node) { 78 hfs_bnode_unhash(node); 79 hfs_bnode_free(node); 80 } 81 spin_unlock(&tree->hash_lock); 82 } else { 83 nidx = page->index << (PAGE_CACHE_SHIFT - tree->node_size_shift); 84 i = 1 << (PAGE_CACHE_SHIFT - tree->node_size_shift); 85 spin_lock(&tree->hash_lock); 86 do { 87 node = hfs_bnode_findhash(tree, nidx++); 88 if (!node) 89 continue; 90 if (atomic_read(&node->refcnt)) { 91 res = 0; 92 break; 93 } 94 hfs_bnode_unhash(node); 95 hfs_bnode_free(node); 96 } while (--i && nidx < tree->node_count); 97 spin_unlock(&tree->hash_lock); 98 } 99 return res ? try_to_free_buffers(page) : 0; 100 } 101 102 static ssize_t hfs_direct_IO(int rw, struct kiocb *iocb, 103 const struct iovec *iov, loff_t offset, unsigned long nr_segs) 104 { 105 struct file *file = iocb->ki_filp; 106 struct inode *inode = file->f_path.dentry->d_inode->i_mapping->host; 107 108 return blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iov, 109 offset, nr_segs, hfs_get_block, NULL); 110 } 111 112 static int hfs_writepages(struct address_space *mapping, 113 struct writeback_control *wbc) 114 { 115 return mpage_writepages(mapping, wbc, hfs_get_block); 116 } 117 118 const struct address_space_operations hfs_btree_aops = { 119 .readpage = hfs_readpage, 120 .writepage = hfs_writepage, 121 .sync_page = block_sync_page, 122 .prepare_write = hfs_prepare_write, 123 .commit_write = generic_commit_write, 124 .bmap = hfs_bmap, 125 .releasepage = hfs_releasepage, 126 }; 127 128 const struct address_space_operations hfs_aops = { 129 .readpage = hfs_readpage, 130 .writepage = hfs_writepage, 131 .sync_page = block_sync_page, 132 .prepare_write = hfs_prepare_write, 133 .commit_write = generic_commit_write, 134 .bmap = hfs_bmap, 135 .direct_IO = hfs_direct_IO, 136 .writepages = hfs_writepages, 137 }; 138 139 /* 140 * hfs_new_inode 141 */ 142 struct inode *hfs_new_inode(struct inode *dir, struct qstr *name, int mode) 143 { 144 struct super_block *sb = dir->i_sb; 145 struct inode *inode = new_inode(sb); 146 if (!inode) 147 return NULL; 148 149 init_MUTEX(&HFS_I(inode)->extents_lock); 150 INIT_LIST_HEAD(&HFS_I(inode)->open_dir_list); 151 hfs_cat_build_key(sb, (btree_key *)&HFS_I(inode)->cat_key, dir->i_ino, name); 152 inode->i_ino = HFS_SB(sb)->next_id++; 153 inode->i_mode = mode; 154 inode->i_uid = current->fsuid; 155 inode->i_gid = current->fsgid; 156 inode->i_nlink = 1; 157 inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC; 158 HFS_I(inode)->flags = 0; 159 HFS_I(inode)->rsrc_inode = NULL; 160 HFS_I(inode)->fs_blocks = 0; 161 if (S_ISDIR(mode)) { 162 inode->i_size = 2; 163 HFS_SB(sb)->folder_count++; 164 if (dir->i_ino == HFS_ROOT_CNID) 165 HFS_SB(sb)->root_dirs++; 166 inode->i_op = &hfs_dir_inode_operations; 167 inode->i_fop = &hfs_dir_operations; 168 inode->i_mode |= S_IRWXUGO; 169 inode->i_mode &= ~HFS_SB(inode->i_sb)->s_dir_umask; 170 } else if (S_ISREG(mode)) { 171 HFS_I(inode)->clump_blocks = HFS_SB(sb)->clumpablks; 172 HFS_SB(sb)->file_count++; 173 if (dir->i_ino == HFS_ROOT_CNID) 174 HFS_SB(sb)->root_files++; 175 inode->i_op = &hfs_file_inode_operations; 176 inode->i_fop = &hfs_file_operations; 177 inode->i_mapping->a_ops = &hfs_aops; 178 inode->i_mode |= S_IRUGO|S_IXUGO; 179 if (mode & S_IWUSR) 180 inode->i_mode |= S_IWUGO; 181 inode->i_mode &= ~HFS_SB(inode->i_sb)->s_file_umask; 182 HFS_I(inode)->phys_size = 0; 183 HFS_I(inode)->alloc_blocks = 0; 184 HFS_I(inode)->first_blocks = 0; 185 HFS_I(inode)->cached_start = 0; 186 HFS_I(inode)->cached_blocks = 0; 187 memset(HFS_I(inode)->first_extents, 0, sizeof(hfs_extent_rec)); 188 memset(HFS_I(inode)->cached_extents, 0, sizeof(hfs_extent_rec)); 189 } 190 insert_inode_hash(inode); 191 mark_inode_dirty(inode); 192 set_bit(HFS_FLG_MDB_DIRTY, &HFS_SB(sb)->flags); 193 sb->s_dirt = 1; 194 195 return inode; 196 } 197 198 void hfs_delete_inode(struct inode *inode) 199 { 200 struct super_block *sb = inode->i_sb; 201 202 dprint(DBG_INODE, "delete_inode: %lu\n", inode->i_ino); 203 if (S_ISDIR(inode->i_mode)) { 204 HFS_SB(sb)->folder_count--; 205 if (HFS_I(inode)->cat_key.ParID == cpu_to_be32(HFS_ROOT_CNID)) 206 HFS_SB(sb)->root_dirs--; 207 set_bit(HFS_FLG_MDB_DIRTY, &HFS_SB(sb)->flags); 208 sb->s_dirt = 1; 209 return; 210 } 211 HFS_SB(sb)->file_count--; 212 if (HFS_I(inode)->cat_key.ParID == cpu_to_be32(HFS_ROOT_CNID)) 213 HFS_SB(sb)->root_files--; 214 if (S_ISREG(inode->i_mode)) { 215 if (!inode->i_nlink) { 216 inode->i_size = 0; 217 hfs_file_truncate(inode); 218 } 219 } 220 set_bit(HFS_FLG_MDB_DIRTY, &HFS_SB(sb)->flags); 221 sb->s_dirt = 1; 222 } 223 224 void hfs_inode_read_fork(struct inode *inode, struct hfs_extent *ext, 225 __be32 __log_size, __be32 phys_size, u32 clump_size) 226 { 227 struct super_block *sb = inode->i_sb; 228 u32 log_size = be32_to_cpu(__log_size); 229 u16 count; 230 int i; 231 232 memcpy(HFS_I(inode)->first_extents, ext, sizeof(hfs_extent_rec)); 233 for (count = 0, i = 0; i < 3; i++) 234 count += be16_to_cpu(ext[i].count); 235 HFS_I(inode)->first_blocks = count; 236 237 inode->i_size = HFS_I(inode)->phys_size = log_size; 238 HFS_I(inode)->fs_blocks = (log_size + sb->s_blocksize - 1) >> sb->s_blocksize_bits; 239 inode_set_bytes(inode, HFS_I(inode)->fs_blocks << sb->s_blocksize_bits); 240 HFS_I(inode)->alloc_blocks = be32_to_cpu(phys_size) / 241 HFS_SB(sb)->alloc_blksz; 242 HFS_I(inode)->clump_blocks = clump_size / HFS_SB(sb)->alloc_blksz; 243 if (!HFS_I(inode)->clump_blocks) 244 HFS_I(inode)->clump_blocks = HFS_SB(sb)->clumpablks; 245 } 246 247 struct hfs_iget_data { 248 struct hfs_cat_key *key; 249 hfs_cat_rec *rec; 250 }; 251 252 static int hfs_test_inode(struct inode *inode, void *data) 253 { 254 struct hfs_iget_data *idata = data; 255 hfs_cat_rec *rec; 256 257 rec = idata->rec; 258 switch (rec->type) { 259 case HFS_CDR_DIR: 260 return inode->i_ino == be32_to_cpu(rec->dir.DirID); 261 case HFS_CDR_FIL: 262 return inode->i_ino == be32_to_cpu(rec->file.FlNum); 263 default: 264 BUG(); 265 return 1; 266 } 267 } 268 269 /* 270 * hfs_read_inode 271 */ 272 static int hfs_read_inode(struct inode *inode, void *data) 273 { 274 struct hfs_iget_data *idata = data; 275 struct hfs_sb_info *hsb = HFS_SB(inode->i_sb); 276 hfs_cat_rec *rec; 277 278 HFS_I(inode)->flags = 0; 279 HFS_I(inode)->rsrc_inode = NULL; 280 init_MUTEX(&HFS_I(inode)->extents_lock); 281 INIT_LIST_HEAD(&HFS_I(inode)->open_dir_list); 282 283 /* Initialize the inode */ 284 inode->i_uid = hsb->s_uid; 285 inode->i_gid = hsb->s_gid; 286 inode->i_nlink = 1; 287 288 if (idata->key) 289 HFS_I(inode)->cat_key = *idata->key; 290 else 291 HFS_I(inode)->flags |= HFS_FLG_RSRC; 292 HFS_I(inode)->tz_secondswest = sys_tz.tz_minuteswest * 60; 293 294 rec = idata->rec; 295 switch (rec->type) { 296 case HFS_CDR_FIL: 297 if (!HFS_IS_RSRC(inode)) { 298 hfs_inode_read_fork(inode, rec->file.ExtRec, rec->file.LgLen, 299 rec->file.PyLen, be16_to_cpu(rec->file.ClpSize)); 300 } else { 301 hfs_inode_read_fork(inode, rec->file.RExtRec, rec->file.RLgLen, 302 rec->file.RPyLen, be16_to_cpu(rec->file.ClpSize)); 303 } 304 305 inode->i_ino = be32_to_cpu(rec->file.FlNum); 306 inode->i_mode = S_IRUGO | S_IXUGO; 307 if (!(rec->file.Flags & HFS_FIL_LOCK)) 308 inode->i_mode |= S_IWUGO; 309 inode->i_mode &= ~hsb->s_file_umask; 310 inode->i_mode |= S_IFREG; 311 inode->i_ctime = inode->i_atime = inode->i_mtime = 312 hfs_m_to_utime(rec->file.MdDat); 313 inode->i_op = &hfs_file_inode_operations; 314 inode->i_fop = &hfs_file_operations; 315 inode->i_mapping->a_ops = &hfs_aops; 316 break; 317 case HFS_CDR_DIR: 318 inode->i_ino = be32_to_cpu(rec->dir.DirID); 319 inode->i_size = be16_to_cpu(rec->dir.Val) + 2; 320 HFS_I(inode)->fs_blocks = 0; 321 inode->i_mode = S_IFDIR | (S_IRWXUGO & ~hsb->s_dir_umask); 322 inode->i_ctime = inode->i_atime = inode->i_mtime = 323 hfs_m_to_utime(rec->dir.MdDat); 324 inode->i_op = &hfs_dir_inode_operations; 325 inode->i_fop = &hfs_dir_operations; 326 break; 327 default: 328 make_bad_inode(inode); 329 } 330 return 0; 331 } 332 333 /* 334 * __hfs_iget() 335 * 336 * Given the MDB for a HFS filesystem, a 'key' and an 'entry' in 337 * the catalog B-tree and the 'type' of the desired file return the 338 * inode for that file/directory or NULL. Note that 'type' indicates 339 * whether we want the actual file or directory, or the corresponding 340 * metadata (AppleDouble header file or CAP metadata file). 341 */ 342 struct inode *hfs_iget(struct super_block *sb, struct hfs_cat_key *key, hfs_cat_rec *rec) 343 { 344 struct hfs_iget_data data = { key, rec }; 345 struct inode *inode; 346 u32 cnid; 347 348 switch (rec->type) { 349 case HFS_CDR_DIR: 350 cnid = be32_to_cpu(rec->dir.DirID); 351 break; 352 case HFS_CDR_FIL: 353 cnid = be32_to_cpu(rec->file.FlNum); 354 break; 355 default: 356 return NULL; 357 } 358 inode = iget5_locked(sb, cnid, hfs_test_inode, hfs_read_inode, &data); 359 if (inode && (inode->i_state & I_NEW)) 360 unlock_new_inode(inode); 361 return inode; 362 } 363 364 void hfs_inode_write_fork(struct inode *inode, struct hfs_extent *ext, 365 __be32 *log_size, __be32 *phys_size) 366 { 367 memcpy(ext, HFS_I(inode)->first_extents, sizeof(hfs_extent_rec)); 368 369 if (log_size) 370 *log_size = cpu_to_be32(inode->i_size); 371 if (phys_size) 372 *phys_size = cpu_to_be32(HFS_I(inode)->alloc_blocks * 373 HFS_SB(inode->i_sb)->alloc_blksz); 374 } 375 376 int hfs_write_inode(struct inode *inode, int unused) 377 { 378 struct inode *main_inode = inode; 379 struct hfs_find_data fd; 380 hfs_cat_rec rec; 381 382 dprint(DBG_INODE, "hfs_write_inode: %lu\n", inode->i_ino); 383 hfs_ext_write_extent(inode); 384 385 if (inode->i_ino < HFS_FIRSTUSER_CNID) { 386 switch (inode->i_ino) { 387 case HFS_ROOT_CNID: 388 break; 389 case HFS_EXT_CNID: 390 hfs_btree_write(HFS_SB(inode->i_sb)->ext_tree); 391 return 0; 392 case HFS_CAT_CNID: 393 hfs_btree_write(HFS_SB(inode->i_sb)->cat_tree); 394 return 0; 395 default: 396 BUG(); 397 return -EIO; 398 } 399 } 400 401 if (HFS_IS_RSRC(inode)) 402 main_inode = HFS_I(inode)->rsrc_inode; 403 404 if (!main_inode->i_nlink) 405 return 0; 406 407 if (hfs_find_init(HFS_SB(main_inode->i_sb)->cat_tree, &fd)) 408 /* panic? */ 409 return -EIO; 410 411 fd.search_key->cat = HFS_I(main_inode)->cat_key; 412 if (hfs_brec_find(&fd)) 413 /* panic? */ 414 goto out; 415 416 if (S_ISDIR(main_inode->i_mode)) { 417 if (fd.entrylength < sizeof(struct hfs_cat_dir)) 418 /* panic? */; 419 hfs_bnode_read(fd.bnode, &rec, fd.entryoffset, 420 sizeof(struct hfs_cat_dir)); 421 if (rec.type != HFS_CDR_DIR || 422 be32_to_cpu(rec.dir.DirID) != inode->i_ino) { 423 } 424 425 rec.dir.MdDat = hfs_u_to_mtime(inode->i_mtime); 426 rec.dir.Val = cpu_to_be16(inode->i_size - 2); 427 428 hfs_bnode_write(fd.bnode, &rec, fd.entryoffset, 429 sizeof(struct hfs_cat_dir)); 430 } else if (HFS_IS_RSRC(inode)) { 431 hfs_bnode_read(fd.bnode, &rec, fd.entryoffset, 432 sizeof(struct hfs_cat_file)); 433 hfs_inode_write_fork(inode, rec.file.RExtRec, 434 &rec.file.RLgLen, &rec.file.RPyLen); 435 hfs_bnode_write(fd.bnode, &rec, fd.entryoffset, 436 sizeof(struct hfs_cat_file)); 437 } else { 438 if (fd.entrylength < sizeof(struct hfs_cat_file)) 439 /* panic? */; 440 hfs_bnode_read(fd.bnode, &rec, fd.entryoffset, 441 sizeof(struct hfs_cat_file)); 442 if (rec.type != HFS_CDR_FIL || 443 be32_to_cpu(rec.file.FlNum) != inode->i_ino) { 444 } 445 446 if (inode->i_mode & S_IWUSR) 447 rec.file.Flags &= ~HFS_FIL_LOCK; 448 else 449 rec.file.Flags |= HFS_FIL_LOCK; 450 hfs_inode_write_fork(inode, rec.file.ExtRec, &rec.file.LgLen, &rec.file.PyLen); 451 rec.file.MdDat = hfs_u_to_mtime(inode->i_mtime); 452 453 hfs_bnode_write(fd.bnode, &rec, fd.entryoffset, 454 sizeof(struct hfs_cat_file)); 455 } 456 out: 457 hfs_find_exit(&fd); 458 return 0; 459 } 460 461 static struct dentry *hfs_file_lookup(struct inode *dir, struct dentry *dentry, 462 struct nameidata *nd) 463 { 464 struct inode *inode = NULL; 465 hfs_cat_rec rec; 466 struct hfs_find_data fd; 467 int res; 468 469 if (HFS_IS_RSRC(dir) || strcmp(dentry->d_name.name, "rsrc")) 470 goto out; 471 472 inode = HFS_I(dir)->rsrc_inode; 473 if (inode) 474 goto out; 475 476 inode = new_inode(dir->i_sb); 477 if (!inode) 478 return ERR_PTR(-ENOMEM); 479 480 hfs_find_init(HFS_SB(dir->i_sb)->cat_tree, &fd); 481 fd.search_key->cat = HFS_I(dir)->cat_key; 482 res = hfs_brec_read(&fd, &rec, sizeof(rec)); 483 if (!res) { 484 struct hfs_iget_data idata = { NULL, &rec }; 485 hfs_read_inode(inode, &idata); 486 } 487 hfs_find_exit(&fd); 488 if (res) { 489 iput(inode); 490 return ERR_PTR(res); 491 } 492 HFS_I(inode)->rsrc_inode = dir; 493 HFS_I(dir)->rsrc_inode = inode; 494 igrab(dir); 495 hlist_add_head(&inode->i_hash, &HFS_SB(dir->i_sb)->rsrc_inodes); 496 mark_inode_dirty(inode); 497 out: 498 d_add(dentry, inode); 499 return NULL; 500 } 501 502 void hfs_clear_inode(struct inode *inode) 503 { 504 if (HFS_IS_RSRC(inode) && HFS_I(inode)->rsrc_inode) { 505 HFS_I(HFS_I(inode)->rsrc_inode)->rsrc_inode = NULL; 506 iput(HFS_I(inode)->rsrc_inode); 507 } 508 } 509 510 static int hfs_permission(struct inode *inode, int mask, 511 struct nameidata *nd) 512 { 513 if (S_ISREG(inode->i_mode) && mask & MAY_EXEC) 514 return 0; 515 return generic_permission(inode, mask, NULL); 516 } 517 518 static int hfs_file_open(struct inode *inode, struct file *file) 519 { 520 if (HFS_IS_RSRC(inode)) 521 inode = HFS_I(inode)->rsrc_inode; 522 if (atomic_read(&file->f_count) != 1) 523 return 0; 524 atomic_inc(&HFS_I(inode)->opencnt); 525 return 0; 526 } 527 528 static int hfs_file_release(struct inode *inode, struct file *file) 529 { 530 //struct super_block *sb = inode->i_sb; 531 532 if (HFS_IS_RSRC(inode)) 533 inode = HFS_I(inode)->rsrc_inode; 534 if (atomic_read(&file->f_count) != 0) 535 return 0; 536 if (atomic_dec_and_test(&HFS_I(inode)->opencnt)) { 537 mutex_lock(&inode->i_mutex); 538 hfs_file_truncate(inode); 539 //if (inode->i_flags & S_DEAD) { 540 // hfs_delete_cat(inode->i_ino, HFSPLUS_SB(sb).hidden_dir, NULL); 541 // hfs_delete_inode(inode); 542 //} 543 mutex_unlock(&inode->i_mutex); 544 } 545 return 0; 546 } 547 548 /* 549 * hfs_notify_change() 550 * 551 * Based very closely on fs/msdos/inode.c by Werner Almesberger 552 * 553 * This is the notify_change() field in the super_operations structure 554 * for HFS file systems. The purpose is to take that changes made to 555 * an inode and apply then in a filesystem-dependent manner. In this 556 * case the process has a few of tasks to do: 557 * 1) prevent changes to the i_uid and i_gid fields. 558 * 2) map file permissions to the closest allowable permissions 559 * 3) Since multiple Linux files can share the same on-disk inode under 560 * HFS (for instance the data and resource forks of a file) a change 561 * to permissions must be applied to all other in-core inodes which 562 * correspond to the same HFS file. 563 */ 564 565 int hfs_inode_setattr(struct dentry *dentry, struct iattr * attr) 566 { 567 struct inode *inode = dentry->d_inode; 568 struct hfs_sb_info *hsb = HFS_SB(inode->i_sb); 569 int error; 570 571 error = inode_change_ok(inode, attr); /* basic permission checks */ 572 if (error) 573 return error; 574 575 /* no uig/gid changes and limit which mode bits can be set */ 576 if (((attr->ia_valid & ATTR_UID) && 577 (attr->ia_uid != hsb->s_uid)) || 578 ((attr->ia_valid & ATTR_GID) && 579 (attr->ia_gid != hsb->s_gid)) || 580 ((attr->ia_valid & ATTR_MODE) && 581 ((S_ISDIR(inode->i_mode) && 582 (attr->ia_mode != inode->i_mode)) || 583 (attr->ia_mode & ~HFS_VALID_MODE_BITS)))) { 584 return hsb->s_quiet ? 0 : error; 585 } 586 587 if (attr->ia_valid & ATTR_MODE) { 588 /* Only the 'w' bits can ever change and only all together. */ 589 if (attr->ia_mode & S_IWUSR) 590 attr->ia_mode = inode->i_mode | S_IWUGO; 591 else 592 attr->ia_mode = inode->i_mode & ~S_IWUGO; 593 attr->ia_mode &= S_ISDIR(inode->i_mode) ? ~hsb->s_dir_umask: ~hsb->s_file_umask; 594 } 595 error = inode_setattr(inode, attr); 596 if (error) 597 return error; 598 599 return 0; 600 } 601 602 603 static const struct file_operations hfs_file_operations = { 604 .llseek = generic_file_llseek, 605 .read = do_sync_read, 606 .aio_read = generic_file_aio_read, 607 .write = do_sync_write, 608 .aio_write = generic_file_aio_write, 609 .mmap = generic_file_mmap, 610 .sendfile = generic_file_sendfile, 611 .fsync = file_fsync, 612 .open = hfs_file_open, 613 .release = hfs_file_release, 614 }; 615 616 static const struct inode_operations hfs_file_inode_operations = { 617 .lookup = hfs_file_lookup, 618 .truncate = hfs_file_truncate, 619 .setattr = hfs_inode_setattr, 620 .permission = hfs_permission, 621 .setxattr = hfs_setxattr, 622 .getxattr = hfs_getxattr, 623 .listxattr = hfs_listxattr, 624 }; 625