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 21static const struct file_operations hfs_file_operations; 22static 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 28static int hfs_writepage(struct page *page, struct writeback_control *wbc) 29{ 30 return block_write_full_page(page, hfs_get_block, wbc); 31} 32 33static int hfs_readpage(struct file *file, struct page *page) 34{ 35 return block_read_full_page(page, hfs_get_block); 36} 37 38static 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 44static sector_t hfs_bmap(struct address_space *mapping, sector_t block) 45{ 46 return generic_block_bmap(mapping, block, hfs_get_block); 47} 48 49static 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 102static 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 112static int hfs_writepages(struct address_space *mapping, 113 struct writeback_control *wbc) 114{ 115 return mpage_writepages(mapping, wbc, hfs_get_block); 116} 117 118const 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 128const 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 */ 142struct 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 198void 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 224void 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 /* Foxconn added start pling 05/31/2010 */ 241 /* Set the i_blocks field properly */ 242 inode->i_blocks = inode->i_size/512; 243 if (inode->i_size % 512) 244 inode->i_blocks++; 245 /* Foxconn added end pling 05/31/2010 */ 246 HFS_I(inode)->alloc_blocks = be32_to_cpu(phys_size) / 247 HFS_SB(sb)->alloc_blksz; 248 HFS_I(inode)->clump_blocks = clump_size / HFS_SB(sb)->alloc_blksz; 249 if (!HFS_I(inode)->clump_blocks) 250 HFS_I(inode)->clump_blocks = HFS_SB(sb)->clumpablks; 251} 252 253struct hfs_iget_data { 254 struct hfs_cat_key *key; 255 hfs_cat_rec *rec; 256}; 257 258static int hfs_test_inode(struct inode *inode, void *data) 259{ 260 struct hfs_iget_data *idata = data; 261 hfs_cat_rec *rec; 262 263 rec = idata->rec; 264 switch (rec->type) { 265 case HFS_CDR_DIR: 266 return inode->i_ino == be32_to_cpu(rec->dir.DirID); 267 case HFS_CDR_FIL: 268 return inode->i_ino == be32_to_cpu(rec->file.FlNum); 269 default: 270 BUG(); 271 return 1; 272 } 273} 274 275/* 276 * hfs_read_inode 277 */ 278static int hfs_read_inode(struct inode *inode, void *data) 279{ 280 struct hfs_iget_data *idata = data; 281 struct hfs_sb_info *hsb = HFS_SB(inode->i_sb); 282 hfs_cat_rec *rec; 283 284 HFS_I(inode)->flags = 0; 285 HFS_I(inode)->rsrc_inode = NULL; 286 init_MUTEX(&HFS_I(inode)->extents_lock); 287 INIT_LIST_HEAD(&HFS_I(inode)->open_dir_list); 288 289 /* Initialize the inode */ 290 inode->i_uid = hsb->s_uid; 291 inode->i_gid = hsb->s_gid; 292 inode->i_nlink = 1; 293 294 if (idata->key) 295 HFS_I(inode)->cat_key = *idata->key; 296 else 297 HFS_I(inode)->flags |= HFS_FLG_RSRC; 298 HFS_I(inode)->tz_secondswest = sys_tz.tz_minuteswest * 60; 299 300 rec = idata->rec; 301 switch (rec->type) { 302 case HFS_CDR_FIL: 303 if (!HFS_IS_RSRC(inode)) { 304 hfs_inode_read_fork(inode, rec->file.ExtRec, rec->file.LgLen, 305 rec->file.PyLen, be16_to_cpu(rec->file.ClpSize)); 306 } else { 307 hfs_inode_read_fork(inode, rec->file.RExtRec, rec->file.RLgLen, 308 rec->file.RPyLen, be16_to_cpu(rec->file.ClpSize)); 309 } 310 311 inode->i_ino = be32_to_cpu(rec->file.FlNum); 312 inode->i_mode = S_IRUGO | S_IXUGO; 313 if (!(rec->file.Flags & HFS_FIL_LOCK)) 314 inode->i_mode |= S_IWUGO; 315 inode->i_mode &= ~hsb->s_file_umask; 316 inode->i_mode |= S_IFREG; 317 inode->i_ctime = inode->i_atime = inode->i_mtime = 318 hfs_m_to_utime(rec->file.MdDat); 319 inode->i_op = &hfs_file_inode_operations; 320 inode->i_fop = &hfs_file_operations; 321 inode->i_mapping->a_ops = &hfs_aops; 322 break; 323 case HFS_CDR_DIR: 324 inode->i_ino = be32_to_cpu(rec->dir.DirID); 325 inode->i_size = be16_to_cpu(rec->dir.Val) + 2; 326 HFS_I(inode)->fs_blocks = 0; 327 inode->i_mode = S_IFDIR | (S_IRWXUGO & ~hsb->s_dir_umask); 328 inode->i_ctime = inode->i_atime = inode->i_mtime = 329 hfs_m_to_utime(rec->dir.MdDat); 330 inode->i_op = &hfs_dir_inode_operations; 331 inode->i_fop = &hfs_dir_operations; 332 break; 333 default: 334 make_bad_inode(inode); 335 } 336 return 0; 337} 338 339/* 340 * __hfs_iget() 341 * 342 * Given the MDB for a HFS filesystem, a 'key' and an 'entry' in 343 * the catalog B-tree and the 'type' of the desired file return the 344 * inode for that file/directory or NULL. Note that 'type' indicates 345 * whether we want the actual file or directory, or the corresponding 346 * metadata (AppleDouble header file or CAP metadata file). 347 */ 348struct inode *hfs_iget(struct super_block *sb, struct hfs_cat_key *key, hfs_cat_rec *rec) 349{ 350 struct hfs_iget_data data = { key, rec }; 351 struct inode *inode; 352 u32 cnid; 353 354 switch (rec->type) { 355 case HFS_CDR_DIR: 356 cnid = be32_to_cpu(rec->dir.DirID); 357 break; 358 case HFS_CDR_FIL: 359 cnid = be32_to_cpu(rec->file.FlNum); 360 break; 361 default: 362 return NULL; 363 } 364 inode = iget5_locked(sb, cnid, hfs_test_inode, hfs_read_inode, &data); 365 if (inode && (inode->i_state & I_NEW)) 366 unlock_new_inode(inode); 367 return inode; 368} 369 370void hfs_inode_write_fork(struct inode *inode, struct hfs_extent *ext, 371 __be32 *log_size, __be32 *phys_size) 372{ 373 memcpy(ext, HFS_I(inode)->first_extents, sizeof(hfs_extent_rec)); 374 375 if (log_size) 376 *log_size = cpu_to_be32(inode->i_size); 377 if (phys_size) 378 *phys_size = cpu_to_be32(HFS_I(inode)->alloc_blocks * 379 HFS_SB(inode->i_sb)->alloc_blksz); 380} 381 382int hfs_write_inode(struct inode *inode, int unused) 383{ 384 struct inode *main_inode = inode; 385 struct hfs_find_data fd; 386 hfs_cat_rec rec; 387 388 dprint(DBG_INODE, "hfs_write_inode: %lu\n", inode->i_ino); 389 hfs_ext_write_extent(inode); 390 391 if (inode->i_ino < HFS_FIRSTUSER_CNID) { 392 switch (inode->i_ino) { 393 case HFS_ROOT_CNID: 394 break; 395 case HFS_EXT_CNID: 396 hfs_btree_write(HFS_SB(inode->i_sb)->ext_tree); 397 return 0; 398 case HFS_CAT_CNID: 399 hfs_btree_write(HFS_SB(inode->i_sb)->cat_tree); 400 return 0; 401 default: 402 BUG(); 403 return -EIO; 404 } 405 } 406 407 if (HFS_IS_RSRC(inode)) 408 main_inode = HFS_I(inode)->rsrc_inode; 409 410 if (!main_inode->i_nlink) 411 return 0; 412 413 if (hfs_find_init(HFS_SB(main_inode->i_sb)->cat_tree, &fd)) 414 /* panic? */ 415 return -EIO; 416 417 fd.search_key->cat = HFS_I(main_inode)->cat_key; 418 if (hfs_brec_find(&fd)) 419 /* panic? */ 420 goto out; 421 422 if (S_ISDIR(main_inode->i_mode)) { 423 if (fd.entrylength < sizeof(struct hfs_cat_dir)) 424 /* panic? */; 425 hfs_bnode_read(fd.bnode, &rec, fd.entryoffset, 426 sizeof(struct hfs_cat_dir)); 427 if (rec.type != HFS_CDR_DIR || 428 be32_to_cpu(rec.dir.DirID) != inode->i_ino) { 429 } 430 431 rec.dir.MdDat = hfs_u_to_mtime(inode->i_mtime); 432 rec.dir.Val = cpu_to_be16(inode->i_size - 2); 433 434 hfs_bnode_write(fd.bnode, &rec, fd.entryoffset, 435 sizeof(struct hfs_cat_dir)); 436 } else if (HFS_IS_RSRC(inode)) { 437 hfs_bnode_read(fd.bnode, &rec, fd.entryoffset, 438 sizeof(struct hfs_cat_file)); 439 hfs_inode_write_fork(inode, rec.file.RExtRec, 440 &rec.file.RLgLen, &rec.file.RPyLen); 441 hfs_bnode_write(fd.bnode, &rec, fd.entryoffset, 442 sizeof(struct hfs_cat_file)); 443 } else { 444 if (fd.entrylength < sizeof(struct hfs_cat_file)) 445 /* panic? */; 446 hfs_bnode_read(fd.bnode, &rec, fd.entryoffset, 447 sizeof(struct hfs_cat_file)); 448 if (rec.type != HFS_CDR_FIL || 449 be32_to_cpu(rec.file.FlNum) != inode->i_ino) { 450 } 451 452 if (inode->i_mode & S_IWUSR) 453 rec.file.Flags &= ~HFS_FIL_LOCK; 454 else 455 rec.file.Flags |= HFS_FIL_LOCK; 456 hfs_inode_write_fork(inode, rec.file.ExtRec, &rec.file.LgLen, &rec.file.PyLen); 457 rec.file.MdDat = hfs_u_to_mtime(inode->i_mtime); 458 459 hfs_bnode_write(fd.bnode, &rec, fd.entryoffset, 460 sizeof(struct hfs_cat_file)); 461 } 462out: 463 hfs_find_exit(&fd); 464 return 0; 465} 466 467static struct dentry *hfs_file_lookup(struct inode *dir, struct dentry *dentry, 468 struct nameidata *nd) 469{ 470 struct inode *inode = NULL; 471 hfs_cat_rec rec; 472 struct hfs_find_data fd; 473 int res; 474 475 if (HFS_IS_RSRC(dir) || strcmp(dentry->d_name.name, "rsrc")) 476 goto out; 477 478 inode = HFS_I(dir)->rsrc_inode; 479 if (inode) 480 goto out; 481 482 inode = new_inode(dir->i_sb); 483 if (!inode) 484 return ERR_PTR(-ENOMEM); 485 486 hfs_find_init(HFS_SB(dir->i_sb)->cat_tree, &fd); 487 fd.search_key->cat = HFS_I(dir)->cat_key; 488 res = hfs_brec_read(&fd, &rec, sizeof(rec)); 489 if (!res) { 490 struct hfs_iget_data idata = { NULL, &rec }; 491 hfs_read_inode(inode, &idata); 492 } 493 hfs_find_exit(&fd); 494 if (res) { 495 iput(inode); 496 return ERR_PTR(res); 497 } 498 HFS_I(inode)->rsrc_inode = dir; 499 HFS_I(dir)->rsrc_inode = inode; 500 igrab(dir); 501 hlist_add_head(&inode->i_hash, &HFS_SB(dir->i_sb)->rsrc_inodes); 502 mark_inode_dirty(inode); 503out: 504 d_add(dentry, inode); 505 return NULL; 506} 507 508void hfs_clear_inode(struct inode *inode) 509{ 510 if (HFS_IS_RSRC(inode) && HFS_I(inode)->rsrc_inode) { 511 HFS_I(HFS_I(inode)->rsrc_inode)->rsrc_inode = NULL; 512 iput(HFS_I(inode)->rsrc_inode); 513 } 514} 515 516static int hfs_permission(struct inode *inode, int mask, 517 struct nameidata *nd) 518{ 519 if (S_ISREG(inode->i_mode) && mask & MAY_EXEC) 520 return 0; 521 return generic_permission(inode, mask, NULL); 522} 523 524static int hfs_file_open(struct inode *inode, struct file *file) 525{ 526 if (HFS_IS_RSRC(inode)) 527 inode = HFS_I(inode)->rsrc_inode; 528 if (atomic_read(&file->f_count) != 1) 529 return 0; 530 atomic_inc(&HFS_I(inode)->opencnt); 531 return 0; 532} 533 534static int hfs_file_release(struct inode *inode, struct file *file) 535{ 536 //struct super_block *sb = inode->i_sb; 537 538 if (HFS_IS_RSRC(inode)) 539 inode = HFS_I(inode)->rsrc_inode; 540 if (atomic_read(&file->f_count) != 0) 541 return 0; 542 if (atomic_dec_and_test(&HFS_I(inode)->opencnt)) { 543 mutex_lock(&inode->i_mutex); 544 hfs_file_truncate(inode); 545 //if (inode->i_flags & S_DEAD) { 546 // hfs_delete_cat(inode->i_ino, HFSPLUS_SB(sb).hidden_dir, NULL); 547 // hfs_delete_inode(inode); 548 //} 549 mutex_unlock(&inode->i_mutex); 550 } 551 return 0; 552} 553 554/* 555 * hfs_notify_change() 556 * 557 * Based very closely on fs/msdos/inode.c by Werner Almesberger 558 * 559 * This is the notify_change() field in the super_operations structure 560 * for HFS file systems. The purpose is to take that changes made to 561 * an inode and apply then in a filesystem-dependent manner. In this 562 * case the process has a few of tasks to do: 563 * 1) prevent changes to the i_uid and i_gid fields. 564 * 2) map file permissions to the closest allowable permissions 565 * 3) Since multiple Linux files can share the same on-disk inode under 566 * HFS (for instance the data and resource forks of a file) a change 567 * to permissions must be applied to all other in-core inodes which 568 * correspond to the same HFS file. 569 */ 570 571int hfs_inode_setattr(struct dentry *dentry, struct iattr * attr) 572{ 573 struct inode *inode = dentry->d_inode; 574 struct hfs_sb_info *hsb = HFS_SB(inode->i_sb); 575 int error; 576 577 error = inode_change_ok(inode, attr); /* basic permission checks */ 578 if (error) 579 return error; 580 581 /* no uig/gid changes and limit which mode bits can be set */ 582 if (((attr->ia_valid & ATTR_UID) && 583 (attr->ia_uid != hsb->s_uid)) || 584 ((attr->ia_valid & ATTR_GID) && 585 (attr->ia_gid != hsb->s_gid)) || 586 ((attr->ia_valid & ATTR_MODE) && 587 ((S_ISDIR(inode->i_mode) && 588 (attr->ia_mode != inode->i_mode)) || 589 (attr->ia_mode & ~HFS_VALID_MODE_BITS)))) { 590 return hsb->s_quiet ? 0 : error; 591 } 592 593 if (attr->ia_valid & ATTR_MODE) { 594 /* Only the 'w' bits can ever change and only all together. */ 595 if (attr->ia_mode & S_IWUSR) 596 attr->ia_mode = inode->i_mode | S_IWUGO; 597 else 598 attr->ia_mode = inode->i_mode & ~S_IWUGO; 599 attr->ia_mode &= S_ISDIR(inode->i_mode) ? ~hsb->s_dir_umask: ~hsb->s_file_umask; 600 } 601 error = inode_setattr(inode, attr); 602 if (error) 603 return error; 604 605 return 0; 606} 607 608 609static const struct file_operations hfs_file_operations = { 610 .llseek = generic_file_llseek, 611 .read = do_sync_read, 612 .aio_read = generic_file_aio_read, 613 .write = do_sync_write, 614 .aio_write = generic_file_aio_write, 615 .mmap = generic_file_mmap, 616 .sendfile = generic_file_sendfile, 617 .fsync = file_fsync, 618 .open = hfs_file_open, 619 .release = hfs_file_release, 620}; 621 622static const struct inode_operations hfs_file_inode_operations = { 623 .lookup = hfs_file_lookup, 624 .truncate = hfs_file_truncate, 625 .setattr = hfs_inode_setattr, 626 .permission = hfs_permission, 627 .setxattr = hfs_setxattr, 628 .getxattr = hfs_getxattr, 629 .listxattr = hfs_listxattr, 630}; 631