xref: /openbmc/linux/fs/f2fs/namei.c (revision 6774def6)
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, 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, 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 };
726