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 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_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 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 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 inode->i_blksize = HFS_SB(sb)->alloc_blksz; 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 inode->i_blksize = HFS_SB(inode->i_sb)->alloc_blksz; 288 289 if (idata->key) 290 HFS_I(inode)->cat_key = *idata->key; 291 else 292 HFS_I(inode)->flags |= HFS_FLG_RSRC; 293 HFS_I(inode)->tz_secondswest = sys_tz.tz_minuteswest * 60; 294 295 rec = idata->rec; 296 switch (rec->type) { 297 case HFS_CDR_FIL: 298 if (!HFS_IS_RSRC(inode)) { 299 hfs_inode_read_fork(inode, rec->file.ExtRec, rec->file.LgLen, 300 rec->file.PyLen, be16_to_cpu(rec->file.ClpSize)); 301 } else { 302 hfs_inode_read_fork(inode, rec->file.RExtRec, rec->file.RLgLen, 303 rec->file.RPyLen, be16_to_cpu(rec->file.ClpSize)); 304 } 305 306 inode->i_ino = be32_to_cpu(rec->file.FlNum); 307 inode->i_mode = S_IRUGO | S_IXUGO; 308 if (!(rec->file.Flags & HFS_FIL_LOCK)) 309 inode->i_mode |= S_IWUGO; 310 inode->i_mode &= ~hsb->s_file_umask; 311 inode->i_mode |= S_IFREG; 312 inode->i_ctime = inode->i_atime = inode->i_mtime = 313 hfs_m_to_utime(rec->file.MdDat); 314 inode->i_op = &hfs_file_inode_operations; 315 inode->i_fop = &hfs_file_operations; 316 inode->i_mapping->a_ops = &hfs_aops; 317 break; 318 case HFS_CDR_DIR: 319 inode->i_ino = be32_to_cpu(rec->dir.DirID); 320 inode->i_size = be16_to_cpu(rec->dir.Val) + 2; 321 HFS_I(inode)->fs_blocks = 0; 322 inode->i_mode = S_IFDIR | (S_IRWXUGO & ~hsb->s_dir_umask); 323 inode->i_ctime = inode->i_atime = inode->i_mtime = 324 hfs_m_to_utime(rec->dir.MdDat); 325 inode->i_op = &hfs_dir_inode_operations; 326 inode->i_fop = &hfs_dir_operations; 327 break; 328 default: 329 make_bad_inode(inode); 330 } 331 return 0; 332 } 333 334 /* 335 * __hfs_iget() 336 * 337 * Given the MDB for a HFS filesystem, a 'key' and an 'entry' in 338 * the catalog B-tree and the 'type' of the desired file return the 339 * inode for that file/directory or NULL. Note that 'type' indicates 340 * whether we want the actual file or directory, or the corresponding 341 * metadata (AppleDouble header file or CAP metadata file). 342 */ 343 struct inode *hfs_iget(struct super_block *sb, struct hfs_cat_key *key, hfs_cat_rec *rec) 344 { 345 struct hfs_iget_data data = { key, rec }; 346 struct inode *inode; 347 u32 cnid; 348 349 switch (rec->type) { 350 case HFS_CDR_DIR: 351 cnid = be32_to_cpu(rec->dir.DirID); 352 break; 353 case HFS_CDR_FIL: 354 cnid = be32_to_cpu(rec->file.FlNum); 355 break; 356 default: 357 return NULL; 358 } 359 inode = iget5_locked(sb, cnid, hfs_test_inode, hfs_read_inode, &data); 360 if (inode && (inode->i_state & I_NEW)) 361 unlock_new_inode(inode); 362 return inode; 363 } 364 365 void hfs_inode_write_fork(struct inode *inode, struct hfs_extent *ext, 366 __be32 *log_size, __be32 *phys_size) 367 { 368 memcpy(ext, HFS_I(inode)->first_extents, sizeof(hfs_extent_rec)); 369 370 if (log_size) 371 *log_size = cpu_to_be32(inode->i_size); 372 if (phys_size) 373 *phys_size = cpu_to_be32(HFS_I(inode)->alloc_blocks * 374 HFS_SB(inode->i_sb)->alloc_blksz); 375 } 376 377 int hfs_write_inode(struct inode *inode, int unused) 378 { 379 struct inode *main_inode = inode; 380 struct hfs_find_data fd; 381 hfs_cat_rec rec; 382 383 dprint(DBG_INODE, "hfs_write_inode: %lu\n", inode->i_ino); 384 hfs_ext_write_extent(inode); 385 386 if (inode->i_ino < HFS_FIRSTUSER_CNID) { 387 switch (inode->i_ino) { 388 case HFS_ROOT_CNID: 389 break; 390 case HFS_EXT_CNID: 391 hfs_btree_write(HFS_SB(inode->i_sb)->ext_tree); 392 return 0; 393 case HFS_CAT_CNID: 394 hfs_btree_write(HFS_SB(inode->i_sb)->cat_tree); 395 return 0; 396 default: 397 BUG(); 398 return -EIO; 399 } 400 } 401 402 if (HFS_IS_RSRC(inode)) 403 main_inode = HFS_I(inode)->rsrc_inode; 404 405 if (!main_inode->i_nlink) 406 return 0; 407 408 if (hfs_find_init(HFS_SB(main_inode->i_sb)->cat_tree, &fd)) 409 /* panic? */ 410 return -EIO; 411 412 fd.search_key->cat = HFS_I(main_inode)->cat_key; 413 if (hfs_brec_find(&fd)) 414 /* panic? */ 415 goto out; 416 417 if (S_ISDIR(main_inode->i_mode)) { 418 if (fd.entrylength < sizeof(struct hfs_cat_dir)) 419 /* panic? */; 420 hfs_bnode_read(fd.bnode, &rec, fd.entryoffset, 421 sizeof(struct hfs_cat_dir)); 422 if (rec.type != HFS_CDR_DIR || 423 be32_to_cpu(rec.dir.DirID) != inode->i_ino) { 424 } 425 426 rec.dir.MdDat = hfs_u_to_mtime(inode->i_mtime); 427 rec.dir.Val = cpu_to_be16(inode->i_size - 2); 428 429 hfs_bnode_write(fd.bnode, &rec, fd.entryoffset, 430 sizeof(struct hfs_cat_dir)); 431 } else if (HFS_IS_RSRC(inode)) { 432 hfs_bnode_read(fd.bnode, &rec, fd.entryoffset, 433 sizeof(struct hfs_cat_file)); 434 hfs_inode_write_fork(inode, rec.file.RExtRec, 435 &rec.file.RLgLen, &rec.file.RPyLen); 436 hfs_bnode_write(fd.bnode, &rec, fd.entryoffset, 437 sizeof(struct hfs_cat_file)); 438 } else { 439 if (fd.entrylength < sizeof(struct hfs_cat_file)) 440 /* panic? */; 441 hfs_bnode_read(fd.bnode, &rec, fd.entryoffset, 442 sizeof(struct hfs_cat_file)); 443 if (rec.type != HFS_CDR_FIL || 444 be32_to_cpu(rec.file.FlNum) != inode->i_ino) { 445 } 446 447 if (inode->i_mode & S_IWUSR) 448 rec.file.Flags &= ~HFS_FIL_LOCK; 449 else 450 rec.file.Flags |= HFS_FIL_LOCK; 451 hfs_inode_write_fork(inode, rec.file.ExtRec, &rec.file.LgLen, &rec.file.PyLen); 452 rec.file.MdDat = hfs_u_to_mtime(inode->i_mtime); 453 454 hfs_bnode_write(fd.bnode, &rec, fd.entryoffset, 455 sizeof(struct hfs_cat_file)); 456 } 457 out: 458 hfs_find_exit(&fd); 459 return 0; 460 } 461 462 static struct dentry *hfs_file_lookup(struct inode *dir, struct dentry *dentry, 463 struct nameidata *nd) 464 { 465 struct inode *inode = NULL; 466 hfs_cat_rec rec; 467 struct hfs_find_data fd; 468 int res; 469 470 if (HFS_IS_RSRC(dir) || strcmp(dentry->d_name.name, "rsrc")) 471 goto out; 472 473 inode = HFS_I(dir)->rsrc_inode; 474 if (inode) 475 goto out; 476 477 inode = new_inode(dir->i_sb); 478 if (!inode) 479 return ERR_PTR(-ENOMEM); 480 481 hfs_find_init(HFS_SB(dir->i_sb)->cat_tree, &fd); 482 fd.search_key->cat = HFS_I(dir)->cat_key; 483 res = hfs_brec_read(&fd, &rec, sizeof(rec)); 484 if (!res) { 485 struct hfs_iget_data idata = { NULL, &rec }; 486 hfs_read_inode(inode, &idata); 487 } 488 hfs_find_exit(&fd); 489 if (res) { 490 iput(inode); 491 return ERR_PTR(res); 492 } 493 HFS_I(inode)->rsrc_inode = dir; 494 HFS_I(dir)->rsrc_inode = inode; 495 igrab(dir); 496 hlist_add_head(&inode->i_hash, &HFS_SB(dir->i_sb)->rsrc_inodes); 497 mark_inode_dirty(inode); 498 out: 499 d_add(dentry, inode); 500 return NULL; 501 } 502 503 void hfs_clear_inode(struct inode *inode) 504 { 505 if (HFS_IS_RSRC(inode) && HFS_I(inode)->rsrc_inode) { 506 HFS_I(HFS_I(inode)->rsrc_inode)->rsrc_inode = NULL; 507 iput(HFS_I(inode)->rsrc_inode); 508 } 509 } 510 511 static int hfs_permission(struct inode *inode, int mask, 512 struct nameidata *nd) 513 { 514 if (S_ISREG(inode->i_mode) && mask & MAY_EXEC) 515 return 0; 516 return generic_permission(inode, mask, NULL); 517 } 518 519 static int hfs_file_open(struct inode *inode, struct file *file) 520 { 521 if (HFS_IS_RSRC(inode)) 522 inode = HFS_I(inode)->rsrc_inode; 523 if (atomic_read(&file->f_count) != 1) 524 return 0; 525 atomic_inc(&HFS_I(inode)->opencnt); 526 return 0; 527 } 528 529 static int hfs_file_release(struct inode *inode, struct file *file) 530 { 531 //struct super_block *sb = inode->i_sb; 532 533 if (HFS_IS_RSRC(inode)) 534 inode = HFS_I(inode)->rsrc_inode; 535 if (atomic_read(&file->f_count) != 0) 536 return 0; 537 if (atomic_dec_and_test(&HFS_I(inode)->opencnt)) { 538 mutex_lock(&inode->i_mutex); 539 hfs_file_truncate(inode); 540 //if (inode->i_flags & S_DEAD) { 541 // hfs_delete_cat(inode->i_ino, HFSPLUS_SB(sb).hidden_dir, NULL); 542 // hfs_delete_inode(inode); 543 //} 544 mutex_unlock(&inode->i_mutex); 545 } 546 return 0; 547 } 548 549 /* 550 * hfs_notify_change() 551 * 552 * Based very closely on fs/msdos/inode.c by Werner Almesberger 553 * 554 * This is the notify_change() field in the super_operations structure 555 * for HFS file systems. The purpose is to take that changes made to 556 * an inode and apply then in a filesystem-dependent manner. In this 557 * case the process has a few of tasks to do: 558 * 1) prevent changes to the i_uid and i_gid fields. 559 * 2) map file permissions to the closest allowable permissions 560 * 3) Since multiple Linux files can share the same on-disk inode under 561 * HFS (for instance the data and resource forks of a file) a change 562 * to permissions must be applied to all other in-core inodes which 563 * correspond to the same HFS file. 564 */ 565 566 int hfs_inode_setattr(struct dentry *dentry, struct iattr * attr) 567 { 568 struct inode *inode = dentry->d_inode; 569 struct hfs_sb_info *hsb = HFS_SB(inode->i_sb); 570 int error; 571 572 error = inode_change_ok(inode, attr); /* basic permission checks */ 573 if (error) 574 return error; 575 576 /* no uig/gid changes and limit which mode bits can be set */ 577 if (((attr->ia_valid & ATTR_UID) && 578 (attr->ia_uid != hsb->s_uid)) || 579 ((attr->ia_valid & ATTR_GID) && 580 (attr->ia_gid != hsb->s_gid)) || 581 ((attr->ia_valid & ATTR_MODE) && 582 ((S_ISDIR(inode->i_mode) && 583 (attr->ia_mode != inode->i_mode)) || 584 (attr->ia_mode & ~HFS_VALID_MODE_BITS)))) { 585 return hsb->s_quiet ? 0 : error; 586 } 587 588 if (attr->ia_valid & ATTR_MODE) { 589 /* Only the 'w' bits can ever change and only all together. */ 590 if (attr->ia_mode & S_IWUSR) 591 attr->ia_mode = inode->i_mode | S_IWUGO; 592 else 593 attr->ia_mode = inode->i_mode & ~S_IWUGO; 594 attr->ia_mode &= S_ISDIR(inode->i_mode) ? ~hsb->s_dir_umask: ~hsb->s_file_umask; 595 } 596 error = inode_setattr(inode, attr); 597 if (error) 598 return error; 599 600 return 0; 601 } 602 603 604 static const struct file_operations hfs_file_operations = { 605 .llseek = generic_file_llseek, 606 .read = generic_file_read, 607 .write = generic_file_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 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