1 /* 2 * fs/f2fs/namei.c 3 * 4 * Copyright (c) 2012 Samsung Electronics Co., Ltd. 5 * http://www.samsung.com/ 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License version 2 as 9 * published by the Free Software Foundation. 10 */ 11 #include <linux/fs.h> 12 #include <linux/f2fs_fs.h> 13 #include <linux/pagemap.h> 14 #include <linux/sched.h> 15 #include <linux/ctype.h> 16 #include <linux/dcache.h> 17 18 #include "f2fs.h" 19 #include "node.h" 20 #include "xattr.h" 21 #include "acl.h" 22 #include <trace/events/f2fs.h> 23 24 static struct inode *f2fs_new_inode(struct inode *dir, umode_t mode) 25 { 26 struct f2fs_sb_info *sbi = F2FS_I_SB(dir); 27 nid_t ino; 28 struct inode *inode; 29 bool nid_free = false; 30 int err; 31 32 inode = new_inode(dir->i_sb); 33 if (!inode) 34 return ERR_PTR(-ENOMEM); 35 36 f2fs_lock_op(sbi); 37 if (!alloc_nid(sbi, &ino)) { 38 f2fs_unlock_op(sbi); 39 err = -ENOSPC; 40 goto fail; 41 } 42 f2fs_unlock_op(sbi); 43 44 inode_init_owner(inode, dir, mode); 45 46 inode->i_ino = ino; 47 inode->i_blocks = 0; 48 inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME; 49 inode->i_generation = sbi->s_next_generation++; 50 51 err = insert_inode_locked(inode); 52 if (err) { 53 err = -EINVAL; 54 nid_free = true; 55 goto out; 56 } 57 58 if (f2fs_may_inline(inode)) 59 set_inode_flag(F2FS_I(inode), FI_INLINE_DATA); 60 if (test_opt(sbi, INLINE_DENTRY) && S_ISDIR(inode->i_mode)) 61 set_inode_flag(F2FS_I(inode), FI_INLINE_DENTRY); 62 63 trace_f2fs_new_inode(inode, 0); 64 mark_inode_dirty(inode); 65 return inode; 66 67 out: 68 clear_nlink(inode); 69 unlock_new_inode(inode); 70 fail: 71 trace_f2fs_new_inode(inode, err); 72 make_bad_inode(inode); 73 iput(inode); 74 if (nid_free) 75 alloc_nid_failed(sbi, ino); 76 return ERR_PTR(err); 77 } 78 79 static int is_multimedia_file(const unsigned char *s, const char *sub) 80 { 81 size_t slen = strlen(s); 82 size_t sublen = strlen(sub); 83 84 if (sublen > slen) 85 return 0; 86 87 return !strncasecmp(s + slen - sublen, sub, sublen); 88 } 89 90 /* 91 * Set multimedia files as cold files for hot/cold data separation 92 */ 93 static inline void set_cold_files(struct f2fs_sb_info *sbi, struct inode *inode, 94 const unsigned char *name) 95 { 96 int i; 97 __u8 (*extlist)[8] = sbi->raw_super->extension_list; 98 99 int count = le32_to_cpu(sbi->raw_super->extension_count); 100 for (i = 0; i < count; i++) { 101 if (is_multimedia_file(name, extlist[i])) { 102 file_set_cold(inode); 103 break; 104 } 105 } 106 } 107 108 static int f2fs_create(struct inode *dir, struct dentry *dentry, umode_t mode, 109 bool excl) 110 { 111 struct f2fs_sb_info *sbi = F2FS_I_SB(dir); 112 struct inode *inode; 113 nid_t ino = 0; 114 int err; 115 116 f2fs_balance_fs(sbi); 117 118 inode = f2fs_new_inode(dir, mode); 119 if (IS_ERR(inode)) 120 return PTR_ERR(inode); 121 122 if (!test_opt(sbi, DISABLE_EXT_IDENTIFY)) 123 set_cold_files(sbi, inode, dentry->d_name.name); 124 125 inode->i_op = &f2fs_file_inode_operations; 126 inode->i_fop = &f2fs_file_operations; 127 inode->i_mapping->a_ops = &f2fs_dblock_aops; 128 ino = inode->i_ino; 129 130 f2fs_lock_op(sbi); 131 err = f2fs_add_link(dentry, inode); 132 if (err) 133 goto out; 134 f2fs_unlock_op(sbi); 135 136 alloc_nid_done(sbi, ino); 137 138 stat_inc_inline_inode(inode); 139 d_instantiate(dentry, inode); 140 unlock_new_inode(inode); 141 142 if (IS_DIRSYNC(dir)) 143 f2fs_sync_fs(sbi->sb, 1); 144 return 0; 145 out: 146 handle_failed_inode(inode); 147 return err; 148 } 149 150 static int f2fs_link(struct dentry *old_dentry, struct inode *dir, 151 struct dentry *dentry) 152 { 153 struct inode *inode = old_dentry->d_inode; 154 struct f2fs_sb_info *sbi = F2FS_I_SB(dir); 155 int err; 156 157 f2fs_balance_fs(sbi); 158 159 inode->i_ctime = CURRENT_TIME; 160 ihold(inode); 161 162 set_inode_flag(F2FS_I(inode), FI_INC_LINK); 163 f2fs_lock_op(sbi); 164 err = f2fs_add_link(dentry, inode); 165 if (err) 166 goto out; 167 f2fs_unlock_op(sbi); 168 169 d_instantiate(dentry, inode); 170 171 if (IS_DIRSYNC(dir)) 172 f2fs_sync_fs(sbi->sb, 1); 173 return 0; 174 out: 175 clear_inode_flag(F2FS_I(inode), FI_INC_LINK); 176 iput(inode); 177 f2fs_unlock_op(sbi); 178 return err; 179 } 180 181 struct dentry *f2fs_get_parent(struct dentry *child) 182 { 183 struct qstr dotdot = QSTR_INIT("..", 2); 184 unsigned long ino = f2fs_inode_by_name(child->d_inode, &dotdot); 185 if (!ino) 186 return ERR_PTR(-ENOENT); 187 return d_obtain_alias(f2fs_iget(child->d_inode->i_sb, ino)); 188 } 189 190 static struct dentry *f2fs_lookup(struct inode *dir, struct dentry *dentry, 191 unsigned int flags) 192 { 193 struct inode *inode = NULL; 194 struct f2fs_dir_entry *de; 195 struct page *page; 196 197 if (dentry->d_name.len > F2FS_NAME_LEN) 198 return ERR_PTR(-ENAMETOOLONG); 199 200 de = f2fs_find_entry(dir, &dentry->d_name, &page); 201 if (de) { 202 nid_t ino = le32_to_cpu(de->ino); 203 f2fs_dentry_kunmap(dir, page); 204 f2fs_put_page(page, 0); 205 206 inode = f2fs_iget(dir->i_sb, ino); 207 if (IS_ERR(inode)) 208 return ERR_CAST(inode); 209 } 210 211 return d_splice_alias(inode, dentry); 212 } 213 214 static int f2fs_unlink(struct inode *dir, struct dentry *dentry) 215 { 216 struct f2fs_sb_info *sbi = F2FS_I_SB(dir); 217 struct inode *inode = dentry->d_inode; 218 struct f2fs_dir_entry *de; 219 struct page *page; 220 int err = -ENOENT; 221 222 trace_f2fs_unlink_enter(dir, dentry); 223 f2fs_balance_fs(sbi); 224 225 de = f2fs_find_entry(dir, &dentry->d_name, &page); 226 if (!de) 227 goto fail; 228 229 f2fs_lock_op(sbi); 230 err = acquire_orphan_inode(sbi); 231 if (err) { 232 f2fs_unlock_op(sbi); 233 f2fs_dentry_kunmap(dir, page); 234 f2fs_put_page(page, 0); 235 goto fail; 236 } 237 f2fs_delete_entry(de, page, dir, inode); 238 f2fs_unlock_op(sbi); 239 240 /* In order to evict this inode, we set it dirty */ 241 mark_inode_dirty(inode); 242 243 if (IS_DIRSYNC(dir)) 244 f2fs_sync_fs(sbi->sb, 1); 245 fail: 246 trace_f2fs_unlink_exit(inode, err); 247 return err; 248 } 249 250 static int f2fs_symlink(struct inode *dir, struct dentry *dentry, 251 const char *symname) 252 { 253 struct f2fs_sb_info *sbi = F2FS_I_SB(dir); 254 struct inode *inode; 255 size_t symlen = strlen(symname) + 1; 256 int err; 257 258 f2fs_balance_fs(sbi); 259 260 inode = f2fs_new_inode(dir, S_IFLNK | S_IRWXUGO); 261 if (IS_ERR(inode)) 262 return PTR_ERR(inode); 263 264 inode->i_op = &f2fs_symlink_inode_operations; 265 inode->i_mapping->a_ops = &f2fs_dblock_aops; 266 267 f2fs_lock_op(sbi); 268 err = f2fs_add_link(dentry, inode); 269 if (err) 270 goto out; 271 f2fs_unlock_op(sbi); 272 273 err = page_symlink(inode, symname, symlen); 274 alloc_nid_done(sbi, inode->i_ino); 275 276 d_instantiate(dentry, inode); 277 unlock_new_inode(inode); 278 279 if (IS_DIRSYNC(dir)) 280 f2fs_sync_fs(sbi->sb, 1); 281 return err; 282 out: 283 handle_failed_inode(inode); 284 return err; 285 } 286 287 static int f2fs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) 288 { 289 struct f2fs_sb_info *sbi = F2FS_I_SB(dir); 290 struct inode *inode; 291 int err; 292 293 f2fs_balance_fs(sbi); 294 295 inode = f2fs_new_inode(dir, S_IFDIR | mode); 296 if (IS_ERR(inode)) 297 return PTR_ERR(inode); 298 299 inode->i_op = &f2fs_dir_inode_operations; 300 inode->i_fop = &f2fs_dir_operations; 301 inode->i_mapping->a_ops = &f2fs_dblock_aops; 302 mapping_set_gfp_mask(inode->i_mapping, GFP_F2FS_ZERO); 303 304 set_inode_flag(F2FS_I(inode), FI_INC_LINK); 305 f2fs_lock_op(sbi); 306 err = f2fs_add_link(dentry, inode); 307 if (err) 308 goto out_fail; 309 f2fs_unlock_op(sbi); 310 311 stat_inc_inline_dir(inode); 312 alloc_nid_done(sbi, inode->i_ino); 313 314 d_instantiate(dentry, inode); 315 unlock_new_inode(inode); 316 317 if (IS_DIRSYNC(dir)) 318 f2fs_sync_fs(sbi->sb, 1); 319 return 0; 320 321 out_fail: 322 clear_inode_flag(F2FS_I(inode), FI_INC_LINK); 323 handle_failed_inode(inode); 324 return err; 325 } 326 327 static int f2fs_rmdir(struct inode *dir, struct dentry *dentry) 328 { 329 struct inode *inode = dentry->d_inode; 330 if (f2fs_empty_dir(inode)) 331 return f2fs_unlink(dir, dentry); 332 return -ENOTEMPTY; 333 } 334 335 static int f2fs_mknod(struct inode *dir, struct dentry *dentry, 336 umode_t mode, dev_t rdev) 337 { 338 struct f2fs_sb_info *sbi = F2FS_I_SB(dir); 339 struct inode *inode; 340 int err = 0; 341 342 if (!new_valid_dev(rdev)) 343 return -EINVAL; 344 345 f2fs_balance_fs(sbi); 346 347 inode = f2fs_new_inode(dir, mode); 348 if (IS_ERR(inode)) 349 return PTR_ERR(inode); 350 351 init_special_inode(inode, inode->i_mode, rdev); 352 inode->i_op = &f2fs_special_inode_operations; 353 354 f2fs_lock_op(sbi); 355 err = f2fs_add_link(dentry, inode); 356 if (err) 357 goto out; 358 f2fs_unlock_op(sbi); 359 360 alloc_nid_done(sbi, inode->i_ino); 361 362 d_instantiate(dentry, inode); 363 unlock_new_inode(inode); 364 365 if (IS_DIRSYNC(dir)) 366 f2fs_sync_fs(sbi->sb, 1); 367 return 0; 368 out: 369 handle_failed_inode(inode); 370 return err; 371 } 372 373 static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry, 374 struct inode *new_dir, struct dentry *new_dentry) 375 { 376 struct f2fs_sb_info *sbi = F2FS_I_SB(old_dir); 377 struct inode *old_inode = old_dentry->d_inode; 378 struct inode *new_inode = new_dentry->d_inode; 379 struct page *old_dir_page; 380 struct page *old_page, *new_page; 381 struct f2fs_dir_entry *old_dir_entry = NULL; 382 struct f2fs_dir_entry *old_entry; 383 struct f2fs_dir_entry *new_entry; 384 int err = -ENOENT; 385 386 f2fs_balance_fs(sbi); 387 388 old_entry = f2fs_find_entry(old_dir, &old_dentry->d_name, &old_page); 389 if (!old_entry) 390 goto out; 391 392 if (S_ISDIR(old_inode->i_mode)) { 393 err = -EIO; 394 old_dir_entry = f2fs_parent_dir(old_inode, &old_dir_page); 395 if (!old_dir_entry) 396 goto out_old; 397 } 398 399 if (new_inode) { 400 401 err = -ENOTEMPTY; 402 if (old_dir_entry && !f2fs_empty_dir(new_inode)) 403 goto out_dir; 404 405 err = -ENOENT; 406 new_entry = f2fs_find_entry(new_dir, &new_dentry->d_name, 407 &new_page); 408 if (!new_entry) 409 goto out_dir; 410 411 f2fs_lock_op(sbi); 412 413 err = acquire_orphan_inode(sbi); 414 if (err) 415 goto put_out_dir; 416 417 if (update_dent_inode(old_inode, &new_dentry->d_name)) { 418 release_orphan_inode(sbi); 419 goto put_out_dir; 420 } 421 422 f2fs_set_link(new_dir, new_entry, new_page, old_inode); 423 424 new_inode->i_ctime = CURRENT_TIME; 425 down_write(&F2FS_I(new_inode)->i_sem); 426 if (old_dir_entry) 427 drop_nlink(new_inode); 428 drop_nlink(new_inode); 429 up_write(&F2FS_I(new_inode)->i_sem); 430 431 mark_inode_dirty(new_inode); 432 433 if (!new_inode->i_nlink) 434 add_orphan_inode(sbi, new_inode->i_ino); 435 else 436 release_orphan_inode(sbi); 437 438 update_inode_page(old_inode); 439 update_inode_page(new_inode); 440 } else { 441 f2fs_lock_op(sbi); 442 443 err = f2fs_add_link(new_dentry, old_inode); 444 if (err) { 445 f2fs_unlock_op(sbi); 446 goto out_dir; 447 } 448 449 if (old_dir_entry) { 450 inc_nlink(new_dir); 451 update_inode_page(new_dir); 452 } 453 } 454 455 down_write(&F2FS_I(old_inode)->i_sem); 456 file_lost_pino(old_inode); 457 up_write(&F2FS_I(old_inode)->i_sem); 458 459 old_inode->i_ctime = CURRENT_TIME; 460 mark_inode_dirty(old_inode); 461 462 f2fs_delete_entry(old_entry, old_page, old_dir, NULL); 463 464 if (old_dir_entry) { 465 if (old_dir != new_dir) { 466 f2fs_set_link(old_inode, old_dir_entry, 467 old_dir_page, new_dir); 468 update_inode_page(old_inode); 469 } else { 470 f2fs_dentry_kunmap(old_inode, old_dir_page); 471 f2fs_put_page(old_dir_page, 0); 472 } 473 drop_nlink(old_dir); 474 mark_inode_dirty(old_dir); 475 update_inode_page(old_dir); 476 } 477 478 f2fs_unlock_op(sbi); 479 480 if (IS_DIRSYNC(old_dir) || IS_DIRSYNC(new_dir)) 481 f2fs_sync_fs(sbi->sb, 1); 482 return 0; 483 484 put_out_dir: 485 f2fs_unlock_op(sbi); 486 f2fs_dentry_kunmap(new_dir, new_page); 487 f2fs_put_page(new_page, 0); 488 out_dir: 489 if (old_dir_entry) { 490 f2fs_dentry_kunmap(old_inode, old_dir_page); 491 f2fs_put_page(old_dir_page, 0); 492 } 493 out_old: 494 f2fs_dentry_kunmap(old_dir, old_page); 495 f2fs_put_page(old_page, 0); 496 out: 497 return err; 498 } 499 500 static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry, 501 struct inode *new_dir, struct dentry *new_dentry) 502 { 503 struct f2fs_sb_info *sbi = F2FS_I_SB(old_dir); 504 struct inode *old_inode = old_dentry->d_inode; 505 struct inode *new_inode = new_dentry->d_inode; 506 struct page *old_dir_page, *new_dir_page; 507 struct page *old_page, *new_page; 508 struct f2fs_dir_entry *old_dir_entry = NULL, *new_dir_entry = NULL; 509 struct f2fs_dir_entry *old_entry, *new_entry; 510 int old_nlink = 0, new_nlink = 0; 511 int err = -ENOENT; 512 513 f2fs_balance_fs(sbi); 514 515 old_entry = f2fs_find_entry(old_dir, &old_dentry->d_name, &old_page); 516 if (!old_entry) 517 goto out; 518 519 new_entry = f2fs_find_entry(new_dir, &new_dentry->d_name, &new_page); 520 if (!new_entry) 521 goto out_old; 522 523 /* prepare for updating ".." directory entry info later */ 524 if (old_dir != new_dir) { 525 if (S_ISDIR(old_inode->i_mode)) { 526 err = -EIO; 527 old_dir_entry = f2fs_parent_dir(old_inode, 528 &old_dir_page); 529 if (!old_dir_entry) 530 goto out_new; 531 } 532 533 if (S_ISDIR(new_inode->i_mode)) { 534 err = -EIO; 535 new_dir_entry = f2fs_parent_dir(new_inode, 536 &new_dir_page); 537 if (!new_dir_entry) 538 goto out_old_dir; 539 } 540 } 541 542 /* 543 * If cross rename between file and directory those are not 544 * in the same directory, we will inc nlink of file's parent 545 * later, so we should check upper boundary of its nlink. 546 */ 547 if ((!old_dir_entry || !new_dir_entry) && 548 old_dir_entry != new_dir_entry) { 549 old_nlink = old_dir_entry ? -1 : 1; 550 new_nlink = -old_nlink; 551 err = -EMLINK; 552 if ((old_nlink > 0 && old_inode->i_nlink >= F2FS_LINK_MAX) || 553 (new_nlink > 0 && new_inode->i_nlink >= F2FS_LINK_MAX)) 554 goto out_new_dir; 555 } 556 557 f2fs_lock_op(sbi); 558 559 err = update_dent_inode(old_inode, &new_dentry->d_name); 560 if (err) 561 goto out_unlock; 562 563 err = update_dent_inode(new_inode, &old_dentry->d_name); 564 if (err) 565 goto out_undo; 566 567 /* update ".." directory entry info of old dentry */ 568 if (old_dir_entry) 569 f2fs_set_link(old_inode, old_dir_entry, old_dir_page, new_dir); 570 571 /* update ".." directory entry info of new dentry */ 572 if (new_dir_entry) 573 f2fs_set_link(new_inode, new_dir_entry, new_dir_page, old_dir); 574 575 /* update directory entry info of old dir inode */ 576 f2fs_set_link(old_dir, old_entry, old_page, new_inode); 577 578 down_write(&F2FS_I(old_inode)->i_sem); 579 file_lost_pino(old_inode); 580 up_write(&F2FS_I(old_inode)->i_sem); 581 582 update_inode_page(old_inode); 583 584 old_dir->i_ctime = CURRENT_TIME; 585 if (old_nlink) { 586 down_write(&F2FS_I(old_dir)->i_sem); 587 if (old_nlink < 0) 588 drop_nlink(old_dir); 589 else 590 inc_nlink(old_dir); 591 up_write(&F2FS_I(old_dir)->i_sem); 592 } 593 mark_inode_dirty(old_dir); 594 update_inode_page(old_dir); 595 596 /* update directory entry info of new dir inode */ 597 f2fs_set_link(new_dir, new_entry, new_page, old_inode); 598 599 down_write(&F2FS_I(new_inode)->i_sem); 600 file_lost_pino(new_inode); 601 up_write(&F2FS_I(new_inode)->i_sem); 602 603 update_inode_page(new_inode); 604 605 new_dir->i_ctime = CURRENT_TIME; 606 if (new_nlink) { 607 down_write(&F2FS_I(new_dir)->i_sem); 608 if (new_nlink < 0) 609 drop_nlink(new_dir); 610 else 611 inc_nlink(new_dir); 612 up_write(&F2FS_I(new_dir)->i_sem); 613 } 614 mark_inode_dirty(new_dir); 615 update_inode_page(new_dir); 616 617 f2fs_unlock_op(sbi); 618 619 if (IS_DIRSYNC(old_dir) || IS_DIRSYNC(new_dir)) 620 f2fs_sync_fs(sbi->sb, 1); 621 return 0; 622 out_undo: 623 /* Still we may fail to recover name info of f2fs_inode here */ 624 update_dent_inode(old_inode, &old_dentry->d_name); 625 out_unlock: 626 f2fs_unlock_op(sbi); 627 out_new_dir: 628 if (new_dir_entry) { 629 f2fs_dentry_kunmap(new_inode, new_dir_page); 630 f2fs_put_page(new_dir_page, 0); 631 } 632 out_old_dir: 633 if (old_dir_entry) { 634 f2fs_dentry_kunmap(old_inode, old_dir_page); 635 f2fs_put_page(old_dir_page, 0); 636 } 637 out_new: 638 f2fs_dentry_kunmap(new_dir, new_page); 639 f2fs_put_page(new_page, 0); 640 out_old: 641 f2fs_dentry_kunmap(old_dir, old_page); 642 f2fs_put_page(old_page, 0); 643 out: 644 return err; 645 } 646 647 static int f2fs_rename2(struct inode *old_dir, struct dentry *old_dentry, 648 struct inode *new_dir, struct dentry *new_dentry, 649 unsigned int flags) 650 { 651 if (flags & ~(RENAME_NOREPLACE | RENAME_EXCHANGE)) 652 return -EINVAL; 653 654 if (flags & RENAME_EXCHANGE) { 655 return f2fs_cross_rename(old_dir, old_dentry, 656 new_dir, new_dentry); 657 } 658 /* 659 * VFS has already handled the new dentry existence case, 660 * here, we just deal with "RENAME_NOREPLACE" as regular rename. 661 */ 662 return f2fs_rename(old_dir, old_dentry, new_dir, new_dentry); 663 } 664 665 static int f2fs_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode) 666 { 667 struct f2fs_sb_info *sbi = F2FS_I_SB(dir); 668 struct inode *inode; 669 int err; 670 671 inode = f2fs_new_inode(dir, mode); 672 if (IS_ERR(inode)) 673 return PTR_ERR(inode); 674 675 inode->i_op = &f2fs_file_inode_operations; 676 inode->i_fop = &f2fs_file_operations; 677 inode->i_mapping->a_ops = &f2fs_dblock_aops; 678 679 f2fs_lock_op(sbi); 680 err = acquire_orphan_inode(sbi); 681 if (err) 682 goto out; 683 684 err = f2fs_do_tmpfile(inode, dir); 685 if (err) 686 goto release_out; 687 688 /* 689 * add this non-linked tmpfile to orphan list, in this way we could 690 * remove all unused data of tmpfile after abnormal power-off. 691 */ 692 add_orphan_inode(sbi, inode->i_ino); 693 f2fs_unlock_op(sbi); 694 695 alloc_nid_done(sbi, inode->i_ino); 696 d_tmpfile(dentry, inode); 697 unlock_new_inode(inode); 698 return 0; 699 700 release_out: 701 release_orphan_inode(sbi); 702 out: 703 handle_failed_inode(inode); 704 return err; 705 } 706 707 const struct inode_operations f2fs_dir_inode_operations = { 708 .create = f2fs_create, 709 .lookup = f2fs_lookup, 710 .link = f2fs_link, 711 .unlink = f2fs_unlink, 712 .symlink = f2fs_symlink, 713 .mkdir = f2fs_mkdir, 714 .rmdir = f2fs_rmdir, 715 .mknod = f2fs_mknod, 716 .rename2 = f2fs_rename2, 717 .tmpfile = f2fs_tmpfile, 718 .getattr = f2fs_getattr, 719 .setattr = f2fs_setattr, 720 .get_acl = f2fs_get_acl, 721 .set_acl = f2fs_set_acl, 722 #ifdef CONFIG_F2FS_FS_XATTR 723 .setxattr = generic_setxattr, 724 .getxattr = generic_getxattr, 725 .listxattr = f2fs_listxattr, 726 .removexattr = generic_removexattr, 727 #endif 728 }; 729 730 const struct inode_operations f2fs_symlink_inode_operations = { 731 .readlink = generic_readlink, 732 .follow_link = page_follow_link_light, 733 .put_link = page_put_link, 734 .getattr = f2fs_getattr, 735 .setattr = f2fs_setattr, 736 #ifdef CONFIG_F2FS_FS_XATTR 737 .setxattr = generic_setxattr, 738 .getxattr = generic_getxattr, 739 .listxattr = f2fs_listxattr, 740 .removexattr = generic_removexattr, 741 #endif 742 }; 743 744 const struct inode_operations f2fs_special_inode_operations = { 745 .getattr = f2fs_getattr, 746 .setattr = f2fs_setattr, 747 .get_acl = f2fs_get_acl, 748 .set_acl = f2fs_set_acl, 749 #ifdef CONFIG_F2FS_FS_XATTR 750 .setxattr = generic_setxattr, 751 .getxattr = generic_getxattr, 752 .listxattr = f2fs_listxattr, 753 .removexattr = generic_removexattr, 754 #endif 755 }; 756