fs/f2fs/namei.c

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