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 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 //printk("releasepage: %lu,%x = %d\n", page->index, mask, res); 99 return res ? try_to_free_buffers(page) : 0; 100 } 101 102 static int hfs_get_blocks(struct inode *inode, sector_t iblock, unsigned long max_blocks, 103 struct buffer_head *bh_result, int create) 104 { 105 int ret; 106 107 ret = hfs_get_block(inode, iblock, bh_result, create); 108 if (!ret) 109 bh_result->b_size = (1 << inode->i_blkbits); 110 return ret; 111 } 112 113 static ssize_t hfs_direct_IO(int rw, struct kiocb *iocb, 114 const struct iovec *iov, loff_t offset, unsigned long nr_segs) 115 { 116 struct file *file = iocb->ki_filp; 117 struct inode *inode = file->f_dentry->d_inode->i_mapping->host; 118 119 return blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iov, 120 offset, nr_segs, hfs_get_blocks, NULL); 121 } 122 123 static int hfs_writepages(struct address_space *mapping, 124 struct writeback_control *wbc) 125 { 126 return mpage_writepages(mapping, wbc, hfs_get_block); 127 } 128 129 struct address_space_operations hfs_btree_aops = { 130 .readpage = hfs_readpage, 131 .writepage = hfs_writepage, 132 .sync_page = block_sync_page, 133 .prepare_write = hfs_prepare_write, 134 .commit_write = generic_commit_write, 135 .bmap = hfs_bmap, 136 .releasepage = hfs_releasepage, 137 }; 138 139 struct address_space_operations hfs_aops = { 140 .readpage = hfs_readpage, 141 .writepage = hfs_writepage, 142 .sync_page = block_sync_page, 143 .prepare_write = hfs_prepare_write, 144 .commit_write = generic_commit_write, 145 .bmap = hfs_bmap, 146 .direct_IO = hfs_direct_IO, 147 .writepages = hfs_writepages, 148 }; 149 150 /* 151 * hfs_new_inode 152 */ 153 struct inode *hfs_new_inode(struct inode *dir, struct qstr *name, int mode) 154 { 155 struct super_block *sb = dir->i_sb; 156 struct inode *inode = new_inode(sb); 157 if (!inode) 158 return NULL; 159 160 init_MUTEX(&HFS_I(inode)->extents_lock); 161 INIT_LIST_HEAD(&HFS_I(inode)->open_dir_list); 162 hfs_cat_build_key(sb, (btree_key *)&HFS_I(inode)->cat_key, dir->i_ino, name); 163 inode->i_ino = HFS_SB(sb)->next_id++; 164 inode->i_mode = mode; 165 inode->i_uid = current->fsuid; 166 inode->i_gid = current->fsgid; 167 inode->i_nlink = 1; 168 inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC; 169 inode->i_blksize = HFS_SB(sb)->alloc_blksz; 170 HFS_I(inode)->flags = 0; 171 HFS_I(inode)->rsrc_inode = NULL; 172 HFS_I(inode)->fs_blocks = 0; 173 if (S_ISDIR(mode)) { 174 inode->i_size = 2; 175 HFS_SB(sb)->folder_count++; 176 if (dir->i_ino == HFS_ROOT_CNID) 177 HFS_SB(sb)->root_dirs++; 178 inode->i_op = &hfs_dir_inode_operations; 179 inode->i_fop = &hfs_dir_operations; 180 inode->i_mode |= S_IRWXUGO; 181 inode->i_mode &= ~HFS_SB(inode->i_sb)->s_dir_umask; 182 } else if (S_ISREG(mode)) { 183 HFS_I(inode)->clump_blocks = HFS_SB(sb)->clumpablks; 184 HFS_SB(sb)->file_count++; 185 if (dir->i_ino == HFS_ROOT_CNID) 186 HFS_SB(sb)->root_files++; 187 inode->i_op = &hfs_file_inode_operations; 188 inode->i_fop = &hfs_file_operations; 189 inode->i_mapping->a_ops = &hfs_aops; 190 inode->i_mode |= S_IRUGO|S_IXUGO; 191 if (mode & S_IWUSR) 192 inode->i_mode |= S_IWUGO; 193 inode->i_mode &= ~HFS_SB(inode->i_sb)->s_file_umask; 194 HFS_I(inode)->phys_size = 0; 195 HFS_I(inode)->alloc_blocks = 0; 196 HFS_I(inode)->first_blocks = 0; 197 HFS_I(inode)->cached_start = 0; 198 HFS_I(inode)->cached_blocks = 0; 199 memset(HFS_I(inode)->first_extents, 0, sizeof(hfs_extent_rec)); 200 memset(HFS_I(inode)->cached_extents, 0, sizeof(hfs_extent_rec)); 201 } 202 insert_inode_hash(inode); 203 mark_inode_dirty(inode); 204 set_bit(HFS_FLG_MDB_DIRTY, &HFS_SB(sb)->flags); 205 sb->s_dirt = 1; 206 207 return inode; 208 } 209 210 void hfs_delete_inode(struct inode *inode) 211 { 212 struct super_block *sb = inode->i_sb; 213 214 dprint(DBG_INODE, "delete_inode: %lu\n", inode->i_ino); 215 if (S_ISDIR(inode->i_mode)) { 216 HFS_SB(sb)->folder_count--; 217 if (HFS_I(inode)->cat_key.ParID == cpu_to_be32(HFS_ROOT_CNID)) 218 HFS_SB(sb)->root_dirs--; 219 set_bit(HFS_FLG_MDB_DIRTY, &HFS_SB(sb)->flags); 220 sb->s_dirt = 1; 221 return; 222 } 223 HFS_SB(sb)->file_count--; 224 if (HFS_I(inode)->cat_key.ParID == cpu_to_be32(HFS_ROOT_CNID)) 225 HFS_SB(sb)->root_files--; 226 if (S_ISREG(inode->i_mode)) { 227 if (!inode->i_nlink) { 228 inode->i_size = 0; 229 hfs_file_truncate(inode); 230 } 231 } 232 set_bit(HFS_FLG_MDB_DIRTY, &HFS_SB(sb)->flags); 233 sb->s_dirt = 1; 234 } 235 236 void hfs_inode_read_fork(struct inode *inode, struct hfs_extent *ext, 237 __be32 __log_size, __be32 phys_size, u32 clump_size) 238 { 239 struct super_block *sb = inode->i_sb; 240 u32 log_size = be32_to_cpu(__log_size); 241 u16 count; 242 int i; 243 244 memcpy(HFS_I(inode)->first_extents, ext, sizeof(hfs_extent_rec)); 245 for (count = 0, i = 0; i < 3; i++) 246 count += be16_to_cpu(ext[i].count); 247 HFS_I(inode)->first_blocks = count; 248 249 inode->i_size = HFS_I(inode)->phys_size = log_size; 250 HFS_I(inode)->fs_blocks = (log_size + sb->s_blocksize - 1) >> sb->s_blocksize_bits; 251 inode_set_bytes(inode, HFS_I(inode)->fs_blocks << sb->s_blocksize_bits); 252 HFS_I(inode)->alloc_blocks = be32_to_cpu(phys_size) / 253 HFS_SB(sb)->alloc_blksz; 254 HFS_I(inode)->clump_blocks = clump_size / HFS_SB(sb)->alloc_blksz; 255 if (!HFS_I(inode)->clump_blocks) 256 HFS_I(inode)->clump_blocks = HFS_SB(sb)->clumpablks; 257 } 258 259 struct hfs_iget_data { 260 struct hfs_cat_key *key; 261 hfs_cat_rec *rec; 262 }; 263 264 static int hfs_test_inode(struct inode *inode, void *data) 265 { 266 struct hfs_iget_data *idata = data; 267 hfs_cat_rec *rec; 268 269 rec = idata->rec; 270 switch (rec->type) { 271 case HFS_CDR_DIR: 272 return inode->i_ino == be32_to_cpu(rec->dir.DirID); 273 case HFS_CDR_FIL: 274 return inode->i_ino == be32_to_cpu(rec->file.FlNum); 275 default: 276 BUG(); 277 return 1; 278 } 279 } 280 281 /* 282 * hfs_read_inode 283 */ 284 static int hfs_read_inode(struct inode *inode, void *data) 285 { 286 struct hfs_iget_data *idata = data; 287 struct hfs_sb_info *hsb = HFS_SB(inode->i_sb); 288 hfs_cat_rec *rec; 289 290 HFS_I(inode)->flags = 0; 291 HFS_I(inode)->rsrc_inode = NULL; 292 init_MUTEX(&HFS_I(inode)->extents_lock); 293 INIT_LIST_HEAD(&HFS_I(inode)->open_dir_list); 294 295 /* Initialize the inode */ 296 inode->i_uid = hsb->s_uid; 297 inode->i_gid = hsb->s_gid; 298 inode->i_nlink = 1; 299 inode->i_blksize = HFS_SB(inode->i_sb)->alloc_blksz; 300 301 if (idata->key) 302 HFS_I(inode)->cat_key = *idata->key; 303 else 304 HFS_I(inode)->flags |= HFS_FLG_RSRC; 305 HFS_I(inode)->tz_secondswest = sys_tz.tz_minuteswest * 60; 306 307 rec = idata->rec; 308 switch (rec->type) { 309 case HFS_CDR_FIL: 310 if (!HFS_IS_RSRC(inode)) { 311 hfs_inode_read_fork(inode, rec->file.ExtRec, rec->file.LgLen, 312 rec->file.PyLen, be16_to_cpu(rec->file.ClpSize)); 313 } else { 314 hfs_inode_read_fork(inode, rec->file.RExtRec, rec->file.RLgLen, 315 rec->file.RPyLen, be16_to_cpu(rec->file.ClpSize)); 316 } 317 318 inode->i_ino = be32_to_cpu(rec->file.FlNum); 319 inode->i_mode = S_IRUGO | S_IXUGO; 320 if (!(rec->file.Flags & HFS_FIL_LOCK)) 321 inode->i_mode |= S_IWUGO; 322 inode->i_mode &= ~hsb->s_file_umask; 323 inode->i_mode |= S_IFREG; 324 inode->i_ctime = inode->i_atime = inode->i_mtime = 325 hfs_m_to_utime(rec->file.MdDat); 326 inode->i_op = &hfs_file_inode_operations; 327 inode->i_fop = &hfs_file_operations; 328 inode->i_mapping->a_ops = &hfs_aops; 329 break; 330 case HFS_CDR_DIR: 331 inode->i_ino = be32_to_cpu(rec->dir.DirID); 332 inode->i_size = be16_to_cpu(rec->dir.Val) + 2; 333 HFS_I(inode)->fs_blocks = 0; 334 inode->i_mode = S_IFDIR | (S_IRWXUGO & ~hsb->s_dir_umask); 335 inode->i_ctime = inode->i_atime = inode->i_mtime = 336 hfs_m_to_utime(rec->dir.MdDat); 337 inode->i_op = &hfs_dir_inode_operations; 338 inode->i_fop = &hfs_dir_operations; 339 break; 340 default: 341 make_bad_inode(inode); 342 } 343 return 0; 344 } 345 346 /* 347 * __hfs_iget() 348 * 349 * Given the MDB for a HFS filesystem, a 'key' and an 'entry' in 350 * the catalog B-tree and the 'type' of the desired file return the 351 * inode for that file/directory or NULL. Note that 'type' indicates 352 * whether we want the actual file or directory, or the corresponding 353 * metadata (AppleDouble header file or CAP metadata file). 354 */ 355 struct inode *hfs_iget(struct super_block *sb, struct hfs_cat_key *key, hfs_cat_rec *rec) 356 { 357 struct hfs_iget_data data = { key, rec }; 358 struct inode *inode; 359 u32 cnid; 360 361 switch (rec->type) { 362 case HFS_CDR_DIR: 363 cnid = be32_to_cpu(rec->dir.DirID); 364 break; 365 case HFS_CDR_FIL: 366 cnid = be32_to_cpu(rec->file.FlNum); 367 break; 368 default: 369 return NULL; 370 } 371 inode = iget5_locked(sb, cnid, hfs_test_inode, hfs_read_inode, &data); 372 if (inode && (inode->i_state & I_NEW)) 373 unlock_new_inode(inode); 374 return inode; 375 } 376 377 void hfs_inode_write_fork(struct inode *inode, struct hfs_extent *ext, 378 __be32 *log_size, __be32 *phys_size) 379 { 380 memcpy(ext, HFS_I(inode)->first_extents, sizeof(hfs_extent_rec)); 381 382 if (log_size) 383 *log_size = cpu_to_be32(inode->i_size); 384 if (phys_size) 385 *phys_size = cpu_to_be32(HFS_I(inode)->alloc_blocks * 386 HFS_SB(inode->i_sb)->alloc_blksz); 387 } 388 389 int hfs_write_inode(struct inode *inode, int unused) 390 { 391 struct inode *main_inode = inode; 392 struct hfs_find_data fd; 393 hfs_cat_rec rec; 394 395 dprint(DBG_INODE, "hfs_write_inode: %lu\n", inode->i_ino); 396 hfs_ext_write_extent(inode); 397 398 if (inode->i_ino < HFS_FIRSTUSER_CNID) { 399 switch (inode->i_ino) { 400 case HFS_ROOT_CNID: 401 break; 402 case HFS_EXT_CNID: 403 hfs_btree_write(HFS_SB(inode->i_sb)->ext_tree); 404 return 0; 405 case HFS_CAT_CNID: 406 hfs_btree_write(HFS_SB(inode->i_sb)->cat_tree); 407 return 0; 408 default: 409 BUG(); 410 return -EIO; 411 } 412 } 413 414 if (HFS_IS_RSRC(inode)) 415 main_inode = HFS_I(inode)->rsrc_inode; 416 417 if (!main_inode->i_nlink) 418 return 0; 419 420 if (hfs_find_init(HFS_SB(main_inode->i_sb)->cat_tree, &fd)) 421 /* panic? */ 422 return -EIO; 423 424 fd.search_key->cat = HFS_I(main_inode)->cat_key; 425 if (hfs_brec_find(&fd)) 426 /* panic? */ 427 goto out; 428 429 if (S_ISDIR(main_inode->i_mode)) { 430 if (fd.entrylength < sizeof(struct hfs_cat_dir)) 431 /* panic? */; 432 hfs_bnode_read(fd.bnode, &rec, fd.entryoffset, 433 sizeof(struct hfs_cat_dir)); 434 if (rec.type != HFS_CDR_DIR || 435 be32_to_cpu(rec.dir.DirID) != inode->i_ino) { 436 } 437 438 rec.dir.MdDat = hfs_u_to_mtime(inode->i_mtime); 439 rec.dir.Val = cpu_to_be16(inode->i_size - 2); 440 441 hfs_bnode_write(fd.bnode, &rec, fd.entryoffset, 442 sizeof(struct hfs_cat_dir)); 443 } else if (HFS_IS_RSRC(inode)) { 444 hfs_bnode_read(fd.bnode, &rec, fd.entryoffset, 445 sizeof(struct hfs_cat_file)); 446 hfs_inode_write_fork(inode, rec.file.RExtRec, 447 &rec.file.RLgLen, &rec.file.RPyLen); 448 hfs_bnode_write(fd.bnode, &rec, fd.entryoffset, 449 sizeof(struct hfs_cat_file)); 450 } else { 451 if (fd.entrylength < sizeof(struct hfs_cat_file)) 452 /* panic? */; 453 hfs_bnode_read(fd.bnode, &rec, fd.entryoffset, 454 sizeof(struct hfs_cat_file)); 455 if (rec.type != HFS_CDR_FIL || 456 be32_to_cpu(rec.file.FlNum) != inode->i_ino) { 457 } 458 459 if (inode->i_mode & S_IWUSR) 460 rec.file.Flags &= ~HFS_FIL_LOCK; 461 else 462 rec.file.Flags |= HFS_FIL_LOCK; 463 hfs_inode_write_fork(inode, rec.file.ExtRec, &rec.file.LgLen, &rec.file.PyLen); 464 rec.file.MdDat = hfs_u_to_mtime(inode->i_mtime); 465 466 hfs_bnode_write(fd.bnode, &rec, fd.entryoffset, 467 sizeof(struct hfs_cat_file)); 468 } 469 out: 470 hfs_find_exit(&fd); 471 return 0; 472 } 473 474 static struct dentry *hfs_file_lookup(struct inode *dir, struct dentry *dentry, 475 struct nameidata *nd) 476 { 477 struct inode *inode = NULL; 478 hfs_cat_rec rec; 479 struct hfs_find_data fd; 480 int res; 481 482 if (HFS_IS_RSRC(dir) || strcmp(dentry->d_name.name, "rsrc")) 483 goto out; 484 485 inode = HFS_I(dir)->rsrc_inode; 486 if (inode) 487 goto out; 488 489 inode = new_inode(dir->i_sb); 490 if (!inode) 491 return ERR_PTR(-ENOMEM); 492 493 hfs_find_init(HFS_SB(dir->i_sb)->cat_tree, &fd); 494 fd.search_key->cat = HFS_I(dir)->cat_key; 495 res = hfs_brec_read(&fd, &rec, sizeof(rec)); 496 if (!res) { 497 struct hfs_iget_data idata = { NULL, &rec }; 498 hfs_read_inode(inode, &idata); 499 } 500 hfs_find_exit(&fd); 501 if (res) { 502 iput(inode); 503 return ERR_PTR(res); 504 } 505 HFS_I(inode)->rsrc_inode = dir; 506 HFS_I(dir)->rsrc_inode = inode; 507 igrab(dir); 508 hlist_add_head(&inode->i_hash, &HFS_SB(dir->i_sb)->rsrc_inodes); 509 mark_inode_dirty(inode); 510 out: 511 d_add(dentry, inode); 512 return NULL; 513 } 514 515 void hfs_clear_inode(struct inode *inode) 516 { 517 if (HFS_IS_RSRC(inode) && HFS_I(inode)->rsrc_inode) { 518 HFS_I(HFS_I(inode)->rsrc_inode)->rsrc_inode = NULL; 519 iput(HFS_I(inode)->rsrc_inode); 520 } 521 } 522 523 static int hfs_permission(struct inode *inode, int mask, 524 struct nameidata *nd) 525 { 526 if (S_ISREG(inode->i_mode) && mask & MAY_EXEC) 527 return 0; 528 return generic_permission(inode, mask, NULL); 529 } 530 531 static int hfs_file_open(struct inode *inode, struct file *file) 532 { 533 if (HFS_IS_RSRC(inode)) 534 inode = HFS_I(inode)->rsrc_inode; 535 if (atomic_read(&file->f_count) != 1) 536 return 0; 537 atomic_inc(&HFS_I(inode)->opencnt); 538 return 0; 539 } 540 541 static int hfs_file_release(struct inode *inode, struct file *file) 542 { 543 //struct super_block *sb = inode->i_sb; 544 545 if (HFS_IS_RSRC(inode)) 546 inode = HFS_I(inode)->rsrc_inode; 547 if (atomic_read(&file->f_count) != 0) 548 return 0; 549 if (atomic_dec_and_test(&HFS_I(inode)->opencnt)) { 550 down(&inode->i_sem); 551 hfs_file_truncate(inode); 552 //if (inode->i_flags & S_DEAD) { 553 // hfs_delete_cat(inode->i_ino, HFSPLUS_SB(sb).hidden_dir, NULL); 554 // hfs_delete_inode(inode); 555 //} 556 up(&inode->i_sem); 557 } 558 return 0; 559 } 560 561 /* 562 * hfs_notify_change() 563 * 564 * Based very closely on fs/msdos/inode.c by Werner Almesberger 565 * 566 * This is the notify_change() field in the super_operations structure 567 * for HFS file systems. The purpose is to take that changes made to 568 * an inode and apply then in a filesystem-dependent manner. In this 569 * case the process has a few of tasks to do: 570 * 1) prevent changes to the i_uid and i_gid fields. 571 * 2) map file permissions to the closest allowable permissions 572 * 3) Since multiple Linux files can share the same on-disk inode under 573 * HFS (for instance the data and resource forks of a file) a change 574 * to permissions must be applied to all other in-core inodes which 575 * correspond to the same HFS file. 576 */ 577 578 int hfs_inode_setattr(struct dentry *dentry, struct iattr * attr) 579 { 580 struct inode *inode = dentry->d_inode; 581 struct hfs_sb_info *hsb = HFS_SB(inode->i_sb); 582 int error; 583 584 error = inode_change_ok(inode, attr); /* basic permission checks */ 585 if (error) 586 return error; 587 588 /* no uig/gid changes and limit which mode bits can be set */ 589 if (((attr->ia_valid & ATTR_UID) && 590 (attr->ia_uid != hsb->s_uid)) || 591 ((attr->ia_valid & ATTR_GID) && 592 (attr->ia_gid != hsb->s_gid)) || 593 ((attr->ia_valid & ATTR_MODE) && 594 ((S_ISDIR(inode->i_mode) && 595 (attr->ia_mode != inode->i_mode)) || 596 (attr->ia_mode & ~HFS_VALID_MODE_BITS)))) { 597 return hsb->s_quiet ? 0 : error; 598 } 599 600 if (attr->ia_valid & ATTR_MODE) { 601 /* Only the 'w' bits can ever change and only all together. */ 602 if (attr->ia_mode & S_IWUSR) 603 attr->ia_mode = inode->i_mode | S_IWUGO; 604 else 605 attr->ia_mode = inode->i_mode & ~S_IWUGO; 606 attr->ia_mode &= S_ISDIR(inode->i_mode) ? ~hsb->s_dir_umask: ~hsb->s_file_umask; 607 } 608 error = inode_setattr(inode, attr); 609 if (error) 610 return error; 611 612 return 0; 613 } 614 615 616 static struct file_operations hfs_file_operations = { 617 .llseek = generic_file_llseek, 618 .read = generic_file_read, 619 .write = generic_file_write, 620 .mmap = generic_file_mmap, 621 .sendfile = generic_file_sendfile, 622 .fsync = file_fsync, 623 .open = hfs_file_open, 624 .release = hfs_file_release, 625 }; 626 627 static struct inode_operations hfs_file_inode_operations = { 628 .lookup = hfs_file_lookup, 629 .truncate = hfs_file_truncate, 630 .setattr = hfs_inode_setattr, 631 .permission = hfs_permission, 632 .setxattr = hfs_setxattr, 633 .getxattr = hfs_getxattr, 634 .listxattr = hfs_listxattr, 635 }; 636