Commit | Line | Data |
---|---|---|
7c1a000d | 1 | // SPDX-License-Identifier: GPL-2.0 |
0a8165d7 | 2 | /* |
57397d86 JK |
3 | * fs/f2fs/namei.c |
4 | * | |
5 | * Copyright (c) 2012 Samsung Electronics Co., Ltd. | |
6 | * http://www.samsung.com/ | |
57397d86 JK |
7 | */ |
8 | #include <linux/fs.h> | |
9 | #include <linux/f2fs_fs.h> | |
10 | #include <linux/pagemap.h> | |
11 | #include <linux/sched.h> | |
12 | #include <linux/ctype.h> | |
428e3bcf | 13 | #include <linux/random.h> |
50732df0 | 14 | #include <linux/dcache.h> |
feb7cbb0 | 15 | #include <linux/namei.h> |
0abd675e | 16 | #include <linux/quotaops.h> |
57397d86 JK |
17 | |
18 | #include "f2fs.h" | |
953a3e27 | 19 | #include "node.h" |
4354994f | 20 | #include "segment.h" |
57397d86 JK |
21 | #include "xattr.h" |
22 | #include "acl.h" | |
a2a4a7e4 | 23 | #include <trace/events/f2fs.h> |
57397d86 | 24 | |
c0abbdf2 | 25 | static inline bool is_extension_exist(const unsigned char *s, const char *sub, |
2724daf6 | 26 | bool tmp_ext, bool tmp_dot) |
57397d86 | 27 | { |
9836b8b9 LR |
28 | size_t slen = strlen(s); |
29 | size_t sublen = strlen(sub); | |
7732c26a | 30 | int i; |
57397d86 | 31 | |
4c8ff709 | 32 | if (sublen == 1 && *sub == '*') |
c0abbdf2 | 33 | return true; |
4c8ff709 | 34 | |
741a7bea CY |
35 | /* |
36 | * filename format of multimedia file should be defined as: | |
7732c26a | 37 | * "filename + '.' + extension + (optional: '.' + temp extension)". |
741a7bea CY |
38 | */ |
39 | if (slen < sublen + 2) | |
c0abbdf2 | 40 | return false; |
741a7bea | 41 | |
4a67d9b0 CY |
42 | if (!tmp_ext) { |
43 | /* file has no temp extension */ | |
44 | if (s[slen - sublen - 1] != '.') | |
c0abbdf2 | 45 | return false; |
4a67d9b0 CY |
46 | return !strncasecmp(s + slen - sublen, sub, sublen); |
47 | } | |
48 | ||
7732c26a CY |
49 | for (i = 1; i < slen - sublen; i++) { |
50 | if (s[i] != '.') | |
51 | continue; | |
2724daf6 JK |
52 | if (!strncasecmp(s + i + 1, sub, sublen)) { |
53 | if (!tmp_dot) | |
54 | return true; | |
55 | if (i == slen - sublen - 1 || s[i + 1 + sublen] == '.') | |
56 | return true; | |
57 | } | |
7732c26a | 58 | } |
57397d86 | 59 | |
c0abbdf2 | 60 | return false; |
57397d86 JK |
61 | } |
62 | ||
2724daf6 JK |
63 | static inline bool is_temperature_extension(const unsigned char *s, const char *sub) |
64 | { | |
65 | return is_extension_exist(s, sub, true, false); | |
66 | } | |
67 | ||
68 | static inline bool is_compress_extension(const unsigned char *s, const char *sub) | |
69 | { | |
70 | return is_extension_exist(s, sub, true, true); | |
71 | } | |
72 | ||
4d57b86d | 73 | int f2fs_update_extension_list(struct f2fs_sb_info *sbi, const char *name, |
b6a06cbb | 74 | bool hot, bool set) |
846ae671 CY |
75 | { |
76 | __u8 (*extlist)[F2FS_EXTENSION_LEN] = sbi->raw_super->extension_list; | |
b6a06cbb CY |
77 | int cold_count = le32_to_cpu(sbi->raw_super->extension_count); |
78 | int hot_count = sbi->raw_super->hot_ext_count; | |
79 | int total_count = cold_count + hot_count; | |
80 | int start, count; | |
846ae671 CY |
81 | int i; |
82 | ||
b6a06cbb CY |
83 | if (set) { |
84 | if (total_count == F2FS_MAX_EXTENSION) | |
85 | return -EINVAL; | |
86 | } else { | |
87 | if (!hot && !cold_count) | |
88 | return -EINVAL; | |
89 | if (hot && !hot_count) | |
90 | return -EINVAL; | |
91 | } | |
92 | ||
93 | if (hot) { | |
94 | start = cold_count; | |
95 | count = total_count; | |
96 | } else { | |
97 | start = 0; | |
98 | count = cold_count; | |
99 | } | |
100 | ||
101 | for (i = start; i < count; i++) { | |
846ae671 CY |
102 | if (strcmp(name, extlist[i])) |
103 | continue; | |
104 | ||
105 | if (set) | |
106 | return -EINVAL; | |
107 | ||
108 | memcpy(extlist[i], extlist[i + 1], | |
b6a06cbb CY |
109 | F2FS_EXTENSION_LEN * (total_count - i - 1)); |
110 | memset(extlist[total_count - 1], 0, F2FS_EXTENSION_LEN); | |
111 | if (hot) | |
112 | sbi->raw_super->hot_ext_count = hot_count - 1; | |
113 | else | |
114 | sbi->raw_super->extension_count = | |
115 | cpu_to_le32(cold_count - 1); | |
846ae671 CY |
116 | return 0; |
117 | } | |
118 | ||
119 | if (!set) | |
120 | return -EINVAL; | |
121 | ||
b6a06cbb | 122 | if (hot) { |
b1385478 | 123 | memcpy(extlist[count], name, strlen(name)); |
b6a06cbb CY |
124 | sbi->raw_super->hot_ext_count = hot_count + 1; |
125 | } else { | |
126 | char buf[F2FS_MAX_EXTENSION][F2FS_EXTENSION_LEN]; | |
127 | ||
128 | memcpy(buf, &extlist[cold_count], | |
129 | F2FS_EXTENSION_LEN * hot_count); | |
130 | memset(extlist[cold_count], 0, F2FS_EXTENSION_LEN); | |
b1385478 | 131 | memcpy(extlist[cold_count], name, strlen(name)); |
b6a06cbb CY |
132 | memcpy(&extlist[cold_count + 1], buf, |
133 | F2FS_EXTENSION_LEN * hot_count); | |
134 | sbi->raw_super->extension_count = cpu_to_le32(cold_count + 1); | |
135 | } | |
846ae671 | 136 | return 0; |
57397d86 JK |
137 | } |
138 | ||
787caf1b SY |
139 | static void set_compress_new_inode(struct f2fs_sb_info *sbi, struct inode *dir, |
140 | struct inode *inode, const unsigned char *name) | |
4c8ff709 CY |
141 | { |
142 | __u8 (*extlist)[F2FS_EXTENSION_LEN] = sbi->raw_super->extension_list; | |
787caf1b SY |
143 | unsigned char (*noext)[F2FS_EXTENSION_LEN] = |
144 | F2FS_OPTION(sbi).noextensions; | |
151b1982 FC |
145 | unsigned char (*ext)[F2FS_EXTENSION_LEN] = F2FS_OPTION(sbi).extensions; |
146 | unsigned char ext_cnt = F2FS_OPTION(sbi).compress_ext_cnt; | |
147 | unsigned char noext_cnt = F2FS_OPTION(sbi).nocompress_ext_cnt; | |
4c8ff709 CY |
148 | int i, cold_count, hot_count; |
149 | ||
787caf1b | 150 | if (!f2fs_sb_has_compression(sbi)) |
4c8ff709 CY |
151 | return; |
152 | ||
787caf1b SY |
153 | if (S_ISDIR(inode->i_mode)) |
154 | goto inherit_comp; | |
4c8ff709 | 155 | |
787caf1b SY |
156 | /* This name comes only from normal files. */ |
157 | if (!name) | |
158 | return; | |
159 | ||
160 | /* Don't compress hot files. */ | |
161 | f2fs_down_read(&sbi->sb_lock); | |
4c8ff709 CY |
162 | cold_count = le32_to_cpu(sbi->raw_super->extension_count); |
163 | hot_count = sbi->raw_super->hot_ext_count; | |
787caf1b | 164 | for (i = cold_count; i < cold_count + hot_count; i++) |
2724daf6 | 165 | if (is_temperature_extension(name, extlist[i])) |
787caf1b SY |
166 | break; |
167 | f2fs_up_read(&sbi->sb_lock); | |
168 | if (i < (cold_count + hot_count)) | |
169 | return; | |
170 | ||
171 | /* Don't compress unallowed extension. */ | |
172 | for (i = 0; i < noext_cnt; i++) | |
2724daf6 | 173 | if (is_compress_extension(name, noext[i])) |
787caf1b | 174 | return; |
4c8ff709 | 175 | |
787caf1b SY |
176 | /* Compress wanting extension. */ |
177 | for (i = 0; i < ext_cnt; i++) { | |
2724daf6 | 178 | if (is_compress_extension(name, ext[i])) { |
787caf1b | 179 | set_compress_context(inode); |
4c8ff709 CY |
180 | return; |
181 | } | |
182 | } | |
787caf1b SY |
183 | inherit_comp: |
184 | /* Inherit the {no-}compression flag in directory */ | |
185 | if (F2FS_I(dir)->i_flags & F2FS_NOCOMP_FL) { | |
186 | F2FS_I(inode)->i_flags |= F2FS_NOCOMP_FL; | |
187 | f2fs_mark_inode_dirty_sync(inode, true); | |
188 | } else if (F2FS_I(dir)->i_flags & F2FS_COMPR_FL) { | |
189 | set_compress_context(inode); | |
190 | } | |
191 | } | |
192 | ||
b16bcaaf SY |
193 | /* |
194 | * Set file's temperature for hot/cold data separation | |
195 | */ | |
196 | static void set_file_temperature(struct f2fs_sb_info *sbi, struct inode *inode, | |
197 | const unsigned char *name) | |
198 | { | |
199 | __u8 (*extlist)[F2FS_EXTENSION_LEN] = sbi->raw_super->extension_list; | |
200 | int i, cold_count, hot_count; | |
4c8ff709 | 201 | |
b16bcaaf SY |
202 | f2fs_down_read(&sbi->sb_lock); |
203 | cold_count = le32_to_cpu(sbi->raw_super->extension_count); | |
204 | hot_count = sbi->raw_super->hot_ext_count; | |
205 | for (i = 0; i < cold_count + hot_count; i++) | |
2724daf6 | 206 | if (is_temperature_extension(name, extlist[i])) |
b16bcaaf | 207 | break; |
e4544b63 | 208 | f2fs_up_read(&sbi->sb_lock); |
4c8ff709 | 209 | |
b16bcaaf SY |
210 | if (i == cold_count + hot_count) |
211 | return; | |
212 | ||
213 | if (i < cold_count) | |
214 | file_set_cold(inode); | |
215 | else | |
216 | file_set_hot(inode); | |
217 | } | |
218 | ||
f2d40141 | 219 | static struct inode *f2fs_new_inode(struct mnt_idmap *idmap, |
787caf1b SY |
220 | struct inode *dir, umode_t mode, |
221 | const char *name) | |
57397d86 | 222 | { |
4081363f | 223 | struct f2fs_sb_info *sbi = F2FS_I_SB(dir); |
57397d86 JK |
224 | nid_t ino; |
225 | struct inode *inode; | |
226 | bool nid_free = false; | |
e075b690 | 227 | bool encrypt = false; |
6afc662e | 228 | int xattr_size = 0; |
e479556b | 229 | int err; |
57397d86 | 230 | |
a014e037 | 231 | inode = new_inode(dir->i_sb); |
57397d86 JK |
232 | if (!inode) |
233 | return ERR_PTR(-ENOMEM); | |
234 | ||
4d57b86d | 235 | if (!f2fs_alloc_nid(sbi, &ino)) { |
57397d86 JK |
236 | err = -ENOSPC; |
237 | goto fail; | |
151b1982 FC |
238 | } |
239 | ||
0abd675e | 240 | nid_free = true; |
4c8ff709 | 241 | |
f2d40141 | 242 | inode_init_owner(idmap, inode, dir, mode); |
4c8ff709 | 243 | |
57397d86 | 244 | inode->i_ino = ino; |
57397d86 | 245 | inode->i_blocks = 0; |
11cc6426 JL |
246 | simple_inode_init_ts(inode); |
247 | F2FS_I(inode)->i_crtime = inode_get_mtime(inode); | |
a251c17a | 248 | inode->i_generation = get_random_u32(); |
57397d86 | 249 | |
1c41e680 CY |
250 | if (S_ISDIR(inode->i_mode)) |
251 | F2FS_I(inode)->i_current_depth = 1; | |
252 | ||
57397d86 JK |
253 | err = insert_inode_locked(inode); |
254 | if (err) { | |
255 | err = -EINVAL; | |
a21c20f0 | 256 | goto fail; |
57397d86 | 257 | } |
622f28ae | 258 | |
7beb01f7 | 259 | if (f2fs_sb_has_project_quota(sbi) && |
59c84408 | 260 | (F2FS_I(dir)->i_flags & F2FS_PROJINHERIT_FL)) |
5c57132e CY |
261 | F2FS_I(inode)->i_projid = F2FS_I(dir)->i_projid; |
262 | else | |
64b4cdf2 | 263 | F2FS_I(inode)->i_projid = make_kprojid(&init_user_ns, |
5c57132e CY |
264 | F2FS_DEF_PROJID); |
265 | ||
e075b690 EB |
266 | err = fscrypt_prepare_new_inode(dir, inode, &encrypt); |
267 | if (err) | |
268 | goto fail_drop; | |
269 | ||
10a26878 | 270 | err = f2fs_dquot_initialize(inode); |
0abd675e CY |
271 | if (err) |
272 | goto fail_drop; | |
273 | ||
9ac1e2d8 DJ |
274 | set_inode_flag(inode, FI_NEW_INODE); |
275 | ||
e075b690 | 276 | if (encrypt) |
fcc85a4d JK |
277 | f2fs_set_encrypted_inode(inode); |
278 | ||
7beb01f7 | 279 | if (f2fs_sb_has_extra_attr(sbi)) { |
7a2af766 CY |
280 | set_inode_flag(inode, FI_EXTRA_ATTR); |
281 | F2FS_I(inode)->i_extra_isize = F2FS_TOTAL_EXTRA_ATTR_SIZE; | |
282 | } | |
283 | ||
91942321 JK |
284 | if (test_opt(sbi, INLINE_XATTR)) |
285 | set_inode_flag(inode, FI_INLINE_XATTR); | |
6afc662e | 286 | |
01b960e9 | 287 | if (f2fs_may_inline_dentry(inode)) |
91942321 | 288 | set_inode_flag(inode, FI_INLINE_DENTRY); |
622f28ae | 289 | |
7beb01f7 | 290 | if (f2fs_sb_has_flexible_inline_xattr(sbi)) { |
6afc662e CY |
291 | f2fs_bug_on(sbi, !f2fs_has_extra_attr(inode)); |
292 | if (f2fs_has_inline_xattr(inode)) | |
63189b78 | 293 | xattr_size = F2FS_OPTION(sbi).inline_xattr_size; |
6afc662e CY |
294 | /* Otherwise, will be 0 */ |
295 | } else if (f2fs_has_inline_xattr(inode) || | |
296 | f2fs_has_inline_dentry(inode)) { | |
297 | xattr_size = DEFAULT_INLINE_XATTR_ADDRS; | |
4c8ff709 | 298 | } |
6afc662e CY |
299 | F2FS_I(inode)->i_inline_xattr_size = xattr_size; |
300 | ||
5c57132e CY |
301 | F2FS_I(inode)->i_flags = |
302 | f2fs_mask_flags(mode, F2FS_I(dir)->i_flags & F2FS_FL_INHERITED); | |
303 | ||
11f5020d | 304 | if (S_ISDIR(inode->i_mode)) |
59c84408 | 305 | F2FS_I(inode)->i_flags |= F2FS_INDEX_FL; |
11f5020d | 306 | |
59c84408 | 307 | if (F2FS_I(inode)->i_flags & F2FS_PROJINHERIT_FL) |
5c57132e CY |
308 | set_inode_flag(inode, FI_PROJ_INHERIT); |
309 | ||
787caf1b SY |
310 | /* Check compression first. */ |
311 | set_compress_new_inode(sbi, dir, inode, name); | |
4c8ff709 | 312 | |
4cde00d5 JK |
313 | /* Should enable inline_data after compression set */ |
314 | if (test_opt(sbi, INLINE_DATA) && f2fs_may_inline_data(inode)) | |
315 | set_inode_flag(inode, FI_INLINE_DATA); | |
316 | ||
b16bcaaf SY |
317 | if (name && !test_opt(sbi, DISABLE_EXT_IDENTIFY)) |
318 | set_file_temperature(sbi, inode, name); | |
319 | ||
4cde00d5 JK |
320 | stat_inc_inline_xattr(inode); |
321 | stat_inc_inline_inode(inode); | |
322 | stat_inc_inline_dir(inode); | |
323 | ||
9149a5eb CY |
324 | f2fs_set_inode_flags(inode); |
325 | ||
72840ccc JK |
326 | f2fs_init_extent_tree(inode); |
327 | ||
d70b4f53 | 328 | trace_f2fs_new_inode(inode, 0); |
57397d86 JK |
329 | return inode; |
330 | ||
57397d86 | 331 | fail: |
d70b4f53 | 332 | trace_f2fs_new_inode(inode, err); |
531ad7d5 | 333 | make_bad_inode(inode); |
57397d86 | 334 | if (nid_free) |
91942321 | 335 | set_inode_flag(inode, FI_FREE_NID); |
c9b63bd0 | 336 | iput(inode); |
57397d86 | 337 | return ERR_PTR(err); |
0abd675e CY |
338 | fail_drop: |
339 | trace_f2fs_new_inode(inode, err); | |
340 | dquot_drop(inode); | |
341 | inode->i_flags |= S_NOQUOTA; | |
342 | if (nid_free) | |
343 | set_inode_flag(inode, FI_FREE_NID); | |
344 | clear_nlink(inode); | |
345 | unlock_new_inode(inode); | |
346 | iput(inode); | |
347 | return ERR_PTR(err); | |
4c8ff709 CY |
348 | } |
349 | ||
6c960e68 | 350 | static int f2fs_create(struct mnt_idmap *idmap, struct inode *dir, |
549c7297 | 351 | struct dentry *dentry, umode_t mode, bool excl) |
57397d86 | 352 | { |
4081363f | 353 | struct f2fs_sb_info *sbi = F2FS_I_SB(dir); |
57397d86 JK |
354 | struct inode *inode; |
355 | nid_t ino = 0; | |
e479556b | 356 | int err; |
57397d86 | 357 | |
1f227a3e JK |
358 | if (unlikely(f2fs_cp_error(sbi))) |
359 | return -EIO; | |
00e09c0b CY |
360 | if (!f2fs_is_checkpoint_ready(sbi)) |
361 | return -ENOSPC; | |
1f227a3e | 362 | |
10a26878 | 363 | err = f2fs_dquot_initialize(dir); |
0abd675e CY |
364 | if (err) |
365 | return err; | |
366 | ||
f2d40141 | 367 | inode = f2fs_new_inode(idmap, dir, mode, dentry->d_name.name); |
57397d86 JK |
368 | if (IS_ERR(inode)) |
369 | return PTR_ERR(inode); | |
370 | ||
57397d86 JK |
371 | inode->i_op = &f2fs_file_inode_operations; |
372 | inode->i_fop = &f2fs_file_operations; | |
373 | inode->i_mapping->a_ops = &f2fs_dblock_aops; | |
374 | ino = inode->i_ino; | |
375 | ||
e479556b | 376 | f2fs_lock_op(sbi); |
57397d86 JK |
377 | err = f2fs_add_link(dentry, inode); |
378 | if (err) | |
379 | goto out; | |
44c16156 | 380 | f2fs_unlock_op(sbi); |
57397d86 | 381 | |
4d57b86d | 382 | f2fs_alloc_nid_done(sbi, ino); |
57397d86 | 383 | |
1e2e547a | 384 | d_instantiate_new(dentry, inode); |
b7e1d800 JK |
385 | |
386 | if (IS_DIRSYNC(dir)) | |
387 | f2fs_sync_fs(sbi->sb, 1); | |
9bb02c36 JK |
388 | |
389 | f2fs_balance_fs(sbi, true); | |
57397d86 JK |
390 | return 0; |
391 | out: | |
4d57b86d | 392 | f2fs_handle_failed_inode(inode); |
57397d86 JK |
393 | return err; |
394 | } | |
395 | ||
396 | static int f2fs_link(struct dentry *old_dentry, struct inode *dir, | |
397 | struct dentry *dentry) | |
398 | { | |
2b0143b5 | 399 | struct inode *inode = d_inode(old_dentry); |
4081363f | 400 | struct f2fs_sb_info *sbi = F2FS_I_SB(dir); |
e479556b | 401 | int err; |
57397d86 | 402 | |
1f227a3e JK |
403 | if (unlikely(f2fs_cp_error(sbi))) |
404 | return -EIO; | |
00e09c0b CY |
405 | if (!f2fs_is_checkpoint_ready(sbi)) |
406 | return -ENOSPC; | |
1f227a3e | 407 | |
b05157e7 EB |
408 | err = fscrypt_prepare_link(old_dentry, dir, dentry); |
409 | if (err) | |
410 | return err; | |
fcc85a4d | 411 | |
5c57132e CY |
412 | if (is_inode_flag_set(dir, FI_PROJ_INHERIT) && |
413 | (!projid_eq(F2FS_I(dir)->i_projid, | |
414 | F2FS_I(old_dentry->d_inode)->i_projid))) | |
415 | return -EXDEV; | |
416 | ||
10a26878 | 417 | err = f2fs_dquot_initialize(dir); |
0abd675e CY |
418 | if (err) |
419 | return err; | |
420 | ||
2c4db1a6 | 421 | f2fs_balance_fs(sbi, true); |
1efef832 | 422 | |
c62ebd35 | 423 | inode_set_ctime_current(inode); |
6f6fd833 | 424 | ihold(inode); |
57397d86 | 425 | |
91942321 | 426 | set_inode_flag(inode, FI_INC_LINK); |
e479556b | 427 | f2fs_lock_op(sbi); |
57397d86 JK |
428 | err = f2fs_add_link(dentry, inode); |
429 | if (err) | |
430 | goto out; | |
44c16156 | 431 | f2fs_unlock_op(sbi); |
57397d86 JK |
432 | |
433 | d_instantiate(dentry, inode); | |
b7e1d800 JK |
434 | |
435 | if (IS_DIRSYNC(dir)) | |
436 | f2fs_sync_fs(sbi->sb, 1); | |
57397d86 JK |
437 | return 0; |
438 | out: | |
91942321 | 439 | clear_inode_flag(inode, FI_INC_LINK); |
57397d86 | 440 | iput(inode); |
44c16156 | 441 | f2fs_unlock_op(sbi); |
57397d86 JK |
442 | return err; |
443 | } | |
444 | ||
445 | struct dentry *f2fs_get_parent(struct dentry *child) | |
446 | { | |
91246c21 | 447 | struct page *page; |
80e5d1ff | 448 | unsigned long ino = f2fs_inode_by_name(d_inode(child), &dotdot_name, &page); |
5f029c04 | 449 | |
91246c21 CY |
450 | if (!ino) { |
451 | if (IS_ERR(page)) | |
452 | return ERR_CAST(page); | |
57397d86 | 453 | return ERR_PTR(-ENOENT); |
91246c21 | 454 | } |
fc64005c | 455 | return d_obtain_alias(f2fs_iget(child->d_sb, ino)); |
57397d86 JK |
456 | } |
457 | ||
510022a8 JK |
458 | static int __recover_dot_dentries(struct inode *dir, nid_t pino) |
459 | { | |
460 | struct f2fs_sb_info *sbi = F2FS_I_SB(dir); | |
461 | struct qstr dot = QSTR_INIT(".", 1); | |
462 | struct qstr dotdot = QSTR_INIT("..", 2); | |
463 | struct f2fs_dir_entry *de; | |
464 | struct page *page; | |
465 | int err = 0; | |
466 | ||
4e0d836d | 467 | if (f2fs_readonly(sbi->sb)) { |
dcbb4c10 JP |
468 | f2fs_info(sbi, "skip recovering inline_dots inode (ino:%lu, pino:%u) in readonly mountpoint", |
469 | dir->i_ino, pino); | |
4e0d836d CY |
470 | return 0; |
471 | } | |
472 | ||
12662d19 CY |
473 | if (!S_ISDIR(dir->i_mode)) { |
474 | f2fs_err(sbi, "inconsistent inode status, skip recovering inline_dots inode (ino:%lu, i_mode:%u, pino:%u)", | |
475 | dir->i_ino, dir->i_mode, pino); | |
476 | set_sbi_flag(sbi, SBI_NEED_FSCK); | |
477 | return -ENOTDIR; | |
478 | } | |
479 | ||
10a26878 | 480 | err = f2fs_dquot_initialize(dir); |
a6d3a479 CY |
481 | if (err) |
482 | return err; | |
483 | ||
2c4db1a6 | 484 | f2fs_balance_fs(sbi, true); |
d5384174 | 485 | |
510022a8 JK |
486 | f2fs_lock_op(sbi); |
487 | ||
488 | de = f2fs_find_entry(dir, &dot, &page); | |
489 | if (de) { | |
510022a8 | 490 | f2fs_put_page(page, 0); |
42d96401 JK |
491 | } else if (IS_ERR(page)) { |
492 | err = PTR_ERR(page); | |
493 | goto out; | |
510022a8 | 494 | } else { |
4d57b86d | 495 | err = f2fs_do_add_link(dir, &dot, NULL, dir->i_ino, S_IFDIR); |
510022a8 JK |
496 | if (err) |
497 | goto out; | |
498 | } | |
499 | ||
500 | de = f2fs_find_entry(dir, &dotdot, &page); | |
bdbc90fa | 501 | if (de) |
510022a8 | 502 | f2fs_put_page(page, 0); |
bdbc90fa | 503 | else if (IS_ERR(page)) |
42d96401 | 504 | err = PTR_ERR(page); |
bdbc90fa | 505 | else |
4d57b86d | 506 | err = f2fs_do_add_link(dir, &dotdot, NULL, pino, S_IFDIR); |
510022a8 | 507 | out: |
205b9822 | 508 | if (!err) |
91942321 | 509 | clear_inode_flag(dir, FI_INLINE_DOTS); |
510022a8 JK |
510 | |
511 | f2fs_unlock_op(sbi); | |
512 | return err; | |
513 | } | |
514 | ||
57397d86 JK |
515 | static struct dentry *f2fs_lookup(struct inode *dir, struct dentry *dentry, |
516 | unsigned int flags) | |
517 | { | |
518 | struct inode *inode = NULL; | |
519 | struct f2fs_dir_entry *de; | |
520 | struct page *page; | |
0c5e36db CY |
521 | struct dentry *new; |
522 | nid_t ino = -1; | |
fcc85a4d | 523 | int err = 0; |
8c2b1435 | 524 | unsigned int root_ino = F2FS_ROOT_INO(F2FS_I_SB(dir)); |
43c780ba | 525 | struct f2fs_filename fname; |
57397d86 | 526 | |
0c5e36db CY |
527 | trace_f2fs_lookup_start(dir, dentry, flags); |
528 | ||
0c5e36db CY |
529 | if (dentry->d_name.len > F2FS_NAME_LEN) { |
530 | err = -ENAMETOOLONG; | |
531 | goto out; | |
532 | } | |
57397d86 | 533 | |
43c780ba | 534 | err = f2fs_prepare_lookup(dir, dentry, &fname); |
bb9cd910 | 535 | generic_set_encrypted_ci_d_ops(dentry); |
b01531db EB |
536 | if (err == -ENOENT) |
537 | goto out_splice; | |
538 | if (err) | |
539 | goto out; | |
540 | de = __f2fs_find_entry(dir, &fname, &page); | |
43c780ba | 541 | f2fs_free_filename(&fname); |
b01531db | 542 | |
eb4246dc | 543 | if (!de) { |
0c5e36db CY |
544 | if (IS_ERR(page)) { |
545 | err = PTR_ERR(page); | |
546 | goto out; | |
547 | } | |
84597b1f | 548 | err = -ENOENT; |
0c5e36db | 549 | goto out_splice; |
eb4246dc | 550 | } |
57397d86 | 551 | |
06957e8f | 552 | ino = le32_to_cpu(de->ino); |
06957e8f | 553 | f2fs_put_page(page, 0); |
510022a8 | 554 | |
06957e8f | 555 | inode = f2fs_iget(dir->i_sb, ino); |
0c5e36db CY |
556 | if (IS_ERR(inode)) { |
557 | err = PTR_ERR(inode); | |
558 | goto out; | |
559 | } | |
510022a8 | 560 | |
8c2b1435 LX |
561 | if ((dir->i_ino == root_ino) && f2fs_has_inline_dots(dir)) { |
562 | err = __recover_dot_dentries(dir, root_ino); | |
563 | if (err) | |
0c5e36db | 564 | goto out_iput; |
8c2b1435 LX |
565 | } |
566 | ||
fcc85a4d | 567 | if (f2fs_has_inline_dots(inode)) { |
06957e8f | 568 | err = __recover_dot_dentries(inode, dir->i_ino); |
fcc85a4d | 569 | if (err) |
0c5e36db | 570 | goto out_iput; |
57397d86 | 571 | } |
62230e0d | 572 | if (IS_ENCRYPTED(dir) && |
07fe8d44 DC |
573 | (S_ISDIR(inode->i_mode) || S_ISLNK(inode->i_mode)) && |
574 | !fscrypt_has_permitted_context(dir, inode)) { | |
dcbb4c10 JP |
575 | f2fs_warn(F2FS_I_SB(inode), "Inconsistent encryption contexts: %lu/%lu", |
576 | dir->i_ino, inode->i_ino); | |
faac7fd9 | 577 | err = -EPERM; |
0c5e36db | 578 | goto out_iput; |
8074bb51 | 579 | } |
0c5e36db | 580 | out_splice: |
5298d4bf | 581 | #if IS_ENABLED(CONFIG_UNICODE) |
2c2eb7a3 DR |
582 | if (!inode && IS_CASEFOLDED(dir)) { |
583 | /* Eventually we want to call d_add_ci(dentry, NULL) | |
584 | * for negative dentries in the encoding case as | |
585 | * well. For now, prevent the negative dentry | |
586 | * from being cached. | |
587 | */ | |
588 | trace_f2fs_lookup_end(dir, dentry, ino, err); | |
589 | return NULL; | |
590 | } | |
591 | #endif | |
0c5e36db | 592 | new = d_splice_alias(inode, dentry); |
cadfc2f9 WB |
593 | trace_f2fs_lookup_end(dir, !IS_ERR_OR_NULL(new) ? new : dentry, |
594 | ino, IS_ERR(new) ? PTR_ERR(new) : err); | |
0c5e36db CY |
595 | return new; |
596 | out_iput: | |
d726732c | 597 | iput(inode); |
0c5e36db CY |
598 | out: |
599 | trace_f2fs_lookup_end(dir, dentry, ino, err); | |
fcc85a4d | 600 | return ERR_PTR(err); |
57397d86 JK |
601 | } |
602 | ||
603 | static int f2fs_unlink(struct inode *dir, struct dentry *dentry) | |
604 | { | |
4081363f | 605 | struct f2fs_sb_info *sbi = F2FS_I_SB(dir); |
2b0143b5 | 606 | struct inode *inode = d_inode(dentry); |
57397d86 JK |
607 | struct f2fs_dir_entry *de; |
608 | struct page *page; | |
deaf160f | 609 | int err; |
57397d86 | 610 | |
a2a4a7e4 | 611 | trace_f2fs_unlink_enter(dir, dentry); |
1efef832 | 612 | |
9a99c17d LK |
613 | if (unlikely(f2fs_cp_error(sbi))) { |
614 | err = -EIO; | |
615 | goto fail; | |
616 | } | |
1f227a3e | 617 | |
10a26878 | 618 | err = f2fs_dquot_initialize(dir); |
d8d1389e | 619 | if (err) |
9a99c17d | 620 | goto fail; |
10a26878 | 621 | err = f2fs_dquot_initialize(inode); |
0abd675e | 622 | if (err) |
9a99c17d | 623 | goto fail; |
0abd675e | 624 | |
57397d86 | 625 | de = f2fs_find_entry(dir, &dentry->d_name, &page); |
91246c21 CY |
626 | if (!de) { |
627 | if (IS_ERR(page)) | |
628 | err = PTR_ERR(page); | |
57397d86 | 629 | goto fail; |
91246c21 | 630 | } |
57397d86 | 631 | |
2c4db1a6 | 632 | f2fs_balance_fs(sbi, true); |
00623e6b | 633 | |
ccaaca25 | 634 | f2fs_lock_op(sbi); |
4d57b86d | 635 | err = f2fs_acquire_orphan_inode(sbi); |
57397d86 | 636 | if (err) { |
ccaaca25 | 637 | f2fs_unlock_op(sbi); |
57397d86 JK |
638 | f2fs_put_page(page, 0); |
639 | goto fail; | |
640 | } | |
dbeacf02 | 641 | f2fs_delete_entry(de, page, dir, inode); |
14dc00a0 JK |
642 | f2fs_unlock_op(sbi); |
643 | ||
5298d4bf | 644 | #if IS_ENABLED(CONFIG_UNICODE) |
2c2eb7a3 DR |
645 | /* VFS negative dentries are incompatible with Encoding and |
646 | * Case-insensitiveness. Eventually we'll want avoid | |
647 | * invalidating the dentries here, alongside with returning the | |
a87aff1d | 648 | * negative dentries at f2fs_lookup(), when it is better |
2c2eb7a3 DR |
649 | * supported by the VFS for the CI case. |
650 | */ | |
651 | if (IS_CASEFOLDED(dir)) | |
652 | d_invalidate(dentry); | |
653 | #endif | |
b7e1d800 JK |
654 | if (IS_DIRSYNC(dir)) |
655 | f2fs_sync_fs(sbi->sb, 1); | |
57397d86 | 656 | fail: |
a2a4a7e4 | 657 | trace_f2fs_unlink_exit(inode, err); |
57397d86 JK |
658 | return err; |
659 | } | |
660 | ||
6b255391 | 661 | static const char *f2fs_get_link(struct dentry *dentry, |
fceef393 AV |
662 | struct inode *inode, |
663 | struct delayed_call *done) | |
feb7cbb0 | 664 | { |
fceef393 | 665 | const char *link = page_get_link(dentry, inode, done); |
5f029c04 | 666 | |
680baacb AV |
667 | if (!IS_ERR(link) && !*link) { |
668 | /* this is broken symlink case */ | |
fceef393 AV |
669 | do_delayed_call(done); |
670 | clear_delayed_call(done); | |
680baacb | 671 | link = ERR_PTR(-ENOENT); |
feb7cbb0 | 672 | } |
680baacb | 673 | return link; |
feb7cbb0 JK |
674 | } |
675 | ||
7a77db95 | 676 | static int f2fs_symlink(struct mnt_idmap *idmap, struct inode *dir, |
549c7297 | 677 | struct dentry *dentry, const char *symname) |
57397d86 | 678 | { |
4081363f | 679 | struct f2fs_sb_info *sbi = F2FS_I_SB(dir); |
57397d86 | 680 | struct inode *inode; |
cbaf042a | 681 | size_t len = strlen(symname); |
393c038f | 682 | struct fscrypt_str disk_link; |
e479556b | 683 | int err; |
57397d86 | 684 | |
1f227a3e JK |
685 | if (unlikely(f2fs_cp_error(sbi))) |
686 | return -EIO; | |
00e09c0b CY |
687 | if (!f2fs_is_checkpoint_ready(sbi)) |
688 | return -ENOSPC; | |
1f227a3e | 689 | |
393c038f EB |
690 | err = fscrypt_prepare_symlink(dir, symname, len, dir->i_sb->s_blocksize, |
691 | &disk_link); | |
692 | if (err) | |
693 | return err; | |
cbaf042a | 694 | |
10a26878 | 695 | err = f2fs_dquot_initialize(dir); |
0abd675e CY |
696 | if (err) |
697 | return err; | |
698 | ||
f2d40141 | 699 | inode = f2fs_new_inode(idmap, dir, S_IFLNK | S_IRWXUGO, NULL); |
57397d86 JK |
700 | if (IS_ERR(inode)) |
701 | return PTR_ERR(inode); | |
702 | ||
393c038f | 703 | if (IS_ENCRYPTED(inode)) |
cbaf042a JK |
704 | inode->i_op = &f2fs_encrypted_symlink_inode_operations; |
705 | else | |
706 | inode->i_op = &f2fs_symlink_inode_operations; | |
21fc61c7 | 707 | inode_nohighmem(inode); |
57397d86 JK |
708 | inode->i_mapping->a_ops = &f2fs_dblock_aops; |
709 | ||
e479556b | 710 | f2fs_lock_op(sbi); |
57397d86 JK |
711 | err = f2fs_add_link(dentry, inode); |
712 | if (err) | |
4d57b86d | 713 | goto out_f2fs_handle_failed_inode; |
44c16156 | 714 | f2fs_unlock_op(sbi); |
4d57b86d | 715 | f2fs_alloc_nid_done(sbi, inode->i_ino); |
57397d86 | 716 | |
393c038f EB |
717 | err = fscrypt_encrypt_symlink(inode, symname, len, &disk_link); |
718 | if (err) | |
719 | goto err_out; | |
cbaf042a | 720 | |
922ec355 | 721 | err = page_symlink(inode, disk_link.name, disk_link.len); |
cbaf042a JK |
722 | |
723 | err_out: | |
1e2e547a | 724 | d_instantiate_new(dentry, inode); |
b7e1d800 | 725 | |
d0cae97c JK |
726 | /* |
727 | * Let's flush symlink data in order to avoid broken symlink as much as | |
728 | * possible. Nevertheless, fsyncing is the best way, but there is no | |
729 | * way to get a file descriptor in order to flush that. | |
730 | * | |
731 | * Note that, it needs to do dir->fsync to make this recoverable. | |
732 | * If the symlink path is stored into inline_data, there is no | |
733 | * performance regression. | |
734 | */ | |
a6be014e | 735 | if (!err) { |
922ec355 CY |
736 | filemap_write_and_wait_range(inode->i_mapping, 0, |
737 | disk_link.len - 1); | |
d0cae97c | 738 | |
a6be014e CY |
739 | if (IS_DIRSYNC(dir)) |
740 | f2fs_sync_fs(sbi->sb, 1); | |
741 | } else { | |
742 | f2fs_unlink(dir, dentry); | |
743 | } | |
cbaf042a | 744 | |
9bb02c36 | 745 | f2fs_balance_fs(sbi, true); |
393c038f EB |
746 | goto out_free_encrypted_link; |
747 | ||
4d57b86d CY |
748 | out_f2fs_handle_failed_inode: |
749 | f2fs_handle_failed_inode(inode); | |
393c038f EB |
750 | out_free_encrypted_link: |
751 | if (disk_link.name != (unsigned char *)symname) | |
c8eb7024 | 752 | kfree(disk_link.name); |
57397d86 JK |
753 | return err; |
754 | } | |
755 | ||
c54bd91e | 756 | static int f2fs_mkdir(struct mnt_idmap *idmap, struct inode *dir, |
549c7297 | 757 | struct dentry *dentry, umode_t mode) |
57397d86 | 758 | { |
4081363f | 759 | struct f2fs_sb_info *sbi = F2FS_I_SB(dir); |
57397d86 | 760 | struct inode *inode; |
e479556b | 761 | int err; |
57397d86 | 762 | |
1f227a3e JK |
763 | if (unlikely(f2fs_cp_error(sbi))) |
764 | return -EIO; | |
765 | ||
10a26878 | 766 | err = f2fs_dquot_initialize(dir); |
0abd675e CY |
767 | if (err) |
768 | return err; | |
769 | ||
f2d40141 | 770 | inode = f2fs_new_inode(idmap, dir, S_IFDIR | mode, NULL); |
57397d86 | 771 | if (IS_ERR(inode)) |
61412b64 | 772 | return PTR_ERR(inode); |
57397d86 JK |
773 | |
774 | inode->i_op = &f2fs_dir_inode_operations; | |
775 | inode->i_fop = &f2fs_dir_operations; | |
776 | inode->i_mapping->a_ops = &f2fs_dblock_aops; | |
92d602bc | 777 | mapping_set_gfp_mask(inode->i_mapping, GFP_NOFS); |
57397d86 | 778 | |
91942321 | 779 | set_inode_flag(inode, FI_INC_LINK); |
e479556b | 780 | f2fs_lock_op(sbi); |
57397d86 JK |
781 | err = f2fs_add_link(dentry, inode); |
782 | if (err) | |
783 | goto out_fail; | |
44c16156 | 784 | f2fs_unlock_op(sbi); |
57397d86 | 785 | |
4d57b86d | 786 | f2fs_alloc_nid_done(sbi, inode->i_ino); |
57397d86 | 787 | |
1e2e547a | 788 | d_instantiate_new(dentry, inode); |
57397d86 | 789 | |
b7e1d800 JK |
790 | if (IS_DIRSYNC(dir)) |
791 | f2fs_sync_fs(sbi->sb, 1); | |
9bb02c36 JK |
792 | |
793 | f2fs_balance_fs(sbi, true); | |
57397d86 JK |
794 | return 0; |
795 | ||
796 | out_fail: | |
91942321 | 797 | clear_inode_flag(inode, FI_INC_LINK); |
4d57b86d | 798 | f2fs_handle_failed_inode(inode); |
57397d86 JK |
799 | return err; |
800 | } | |
801 | ||
802 | static int f2fs_rmdir(struct inode *dir, struct dentry *dentry) | |
803 | { | |
2b0143b5 | 804 | struct inode *inode = d_inode(dentry); |
5f029c04 | 805 | |
57397d86 JK |
806 | if (f2fs_empty_dir(inode)) |
807 | return f2fs_unlink(dir, dentry); | |
808 | return -ENOTEMPTY; | |
809 | } | |
810 | ||
5ebb29be | 811 | static int f2fs_mknod(struct mnt_idmap *idmap, struct inode *dir, |
549c7297 | 812 | struct dentry *dentry, umode_t mode, dev_t rdev) |
57397d86 | 813 | { |
4081363f | 814 | struct f2fs_sb_info *sbi = F2FS_I_SB(dir); |
57397d86 JK |
815 | struct inode *inode; |
816 | int err = 0; | |
817 | ||
1f227a3e JK |
818 | if (unlikely(f2fs_cp_error(sbi))) |
819 | return -EIO; | |
00e09c0b CY |
820 | if (!f2fs_is_checkpoint_ready(sbi)) |
821 | return -ENOSPC; | |
1f227a3e | 822 | |
10a26878 | 823 | err = f2fs_dquot_initialize(dir); |
0abd675e CY |
824 | if (err) |
825 | return err; | |
826 | ||
f2d40141 | 827 | inode = f2fs_new_inode(idmap, dir, mode, NULL); |
57397d86 JK |
828 | if (IS_ERR(inode)) |
829 | return PTR_ERR(inode); | |
830 | ||
831 | init_special_inode(inode, inode->i_mode, rdev); | |
832 | inode->i_op = &f2fs_special_inode_operations; | |
833 | ||
e479556b | 834 | f2fs_lock_op(sbi); |
57397d86 JK |
835 | err = f2fs_add_link(dentry, inode); |
836 | if (err) | |
837 | goto out; | |
44c16156 | 838 | f2fs_unlock_op(sbi); |
57397d86 | 839 | |
4d57b86d | 840 | f2fs_alloc_nid_done(sbi, inode->i_ino); |
b7e1d800 | 841 | |
1e2e547a | 842 | d_instantiate_new(dentry, inode); |
b7e1d800 JK |
843 | |
844 | if (IS_DIRSYNC(dir)) | |
845 | f2fs_sync_fs(sbi->sb, 1); | |
9bb02c36 JK |
846 | |
847 | f2fs_balance_fs(sbi, true); | |
57397d86 JK |
848 | return 0; |
849 | out: | |
4d57b86d | 850 | f2fs_handle_failed_inode(inode); |
57397d86 JK |
851 | return err; |
852 | } | |
853 | ||
f2d40141 | 854 | static int __f2fs_tmpfile(struct mnt_idmap *idmap, struct inode *dir, |
863f144f | 855 | struct file *file, umode_t mode, bool is_whiteout, |
3db1de0e | 856 | struct inode **new_inode) |
7e01e7ad CY |
857 | { |
858 | struct f2fs_sb_info *sbi = F2FS_I_SB(dir); | |
859 | struct inode *inode; | |
860 | int err; | |
861 | ||
10a26878 | 862 | err = f2fs_dquot_initialize(dir); |
0abd675e CY |
863 | if (err) |
864 | return err; | |
865 | ||
f2d40141 | 866 | inode = f2fs_new_inode(idmap, dir, mode, NULL); |
7e01e7ad CY |
867 | if (IS_ERR(inode)) |
868 | return PTR_ERR(inode); | |
869 | ||
3db1de0e | 870 | if (is_whiteout) { |
7e01e7ad CY |
871 | init_special_inode(inode, inode->i_mode, WHITEOUT_DEV); |
872 | inode->i_op = &f2fs_special_inode_operations; | |
873 | } else { | |
874 | inode->i_op = &f2fs_file_inode_operations; | |
875 | inode->i_fop = &f2fs_file_operations; | |
876 | inode->i_mapping->a_ops = &f2fs_dblock_aops; | |
877 | } | |
878 | ||
879 | f2fs_lock_op(sbi); | |
4d57b86d | 880 | err = f2fs_acquire_orphan_inode(sbi); |
7e01e7ad CY |
881 | if (err) |
882 | goto out; | |
883 | ||
884 | err = f2fs_do_tmpfile(inode, dir); | |
885 | if (err) | |
886 | goto release_out; | |
887 | ||
888 | /* | |
889 | * add this non-linked tmpfile to orphan list, in this way we could | |
890 | * remove all unused data of tmpfile after abnormal power-off. | |
891 | */ | |
4d57b86d CY |
892 | f2fs_add_orphan_inode(inode); |
893 | f2fs_alloc_nid_done(sbi, inode->i_ino); | |
7e01e7ad | 894 | |
3db1de0e | 895 | if (is_whiteout) { |
a1961246 | 896 | f2fs_i_links_write(inode, false); |
46085f37 CY |
897 | |
898 | spin_lock(&inode->i_lock); | |
5b1dbb08 | 899 | inode->i_state |= I_LINKABLE; |
46085f37 | 900 | spin_unlock(&inode->i_lock); |
7e01e7ad | 901 | } else { |
863f144f MS |
902 | if (file) |
903 | d_tmpfile(file, inode); | |
3db1de0e DJ |
904 | else |
905 | f2fs_i_links_write(inode, false); | |
7e01e7ad | 906 | } |
a1961246 JK |
907 | /* link_count was changed by d_tmpfile as well. */ |
908 | f2fs_unlock_op(sbi); | |
7e01e7ad | 909 | unlock_new_inode(inode); |
9bb02c36 | 910 | |
3db1de0e DJ |
911 | if (new_inode) |
912 | *new_inode = inode; | |
913 | ||
9bb02c36 | 914 | f2fs_balance_fs(sbi, true); |
7e01e7ad CY |
915 | return 0; |
916 | ||
917 | release_out: | |
4d57b86d | 918 | f2fs_release_orphan_inode(sbi); |
7e01e7ad | 919 | out: |
4d57b86d | 920 | f2fs_handle_failed_inode(inode); |
7e01e7ad CY |
921 | return err; |
922 | } | |
923 | ||
011e2b71 | 924 | static int f2fs_tmpfile(struct mnt_idmap *idmap, struct inode *dir, |
863f144f | 925 | struct file *file, umode_t mode) |
7e01e7ad | 926 | { |
ff62af20 | 927 | struct f2fs_sb_info *sbi = F2FS_I_SB(dir); |
863f144f | 928 | int err; |
ff62af20 SY |
929 | |
930 | if (unlikely(f2fs_cp_error(sbi))) | |
1f227a3e | 931 | return -EIO; |
00e09c0b CY |
932 | if (!f2fs_is_checkpoint_ready(sbi)) |
933 | return -ENOSPC; | |
1f227a3e | 934 | |
f2d40141 | 935 | err = __f2fs_tmpfile(idmap, dir, file, mode, false, NULL); |
863f144f MS |
936 | |
937 | return finish_open_simple(file, err); | |
7e01e7ad CY |
938 | } |
939 | ||
f2d40141 | 940 | static int f2fs_create_whiteout(struct mnt_idmap *idmap, |
984fc4e7 | 941 | struct inode *dir, struct inode **whiteout) |
7e01e7ad | 942 | { |
f2d40141 | 943 | return __f2fs_tmpfile(idmap, dir, NULL, |
3db1de0e DJ |
944 | S_IFCHR | WHITEOUT_MODE, true, whiteout); |
945 | } | |
946 | ||
f2d40141 | 947 | int f2fs_get_tmpfile(struct mnt_idmap *idmap, struct inode *dir, |
3db1de0e DJ |
948 | struct inode **new_inode) |
949 | { | |
f2d40141 | 950 | return __f2fs_tmpfile(idmap, dir, NULL, S_IFREG, false, new_inode); |
7e01e7ad CY |
951 | } |
952 | ||
f2d40141 | 953 | static int f2fs_rename(struct mnt_idmap *idmap, struct inode *old_dir, |
984fc4e7 CY |
954 | struct dentry *old_dentry, struct inode *new_dir, |
955 | struct dentry *new_dentry, unsigned int flags) | |
57397d86 | 956 | { |
4081363f | 957 | struct f2fs_sb_info *sbi = F2FS_I_SB(old_dir); |
2b0143b5 DH |
958 | struct inode *old_inode = d_inode(old_dentry); |
959 | struct inode *new_inode = d_inode(new_dentry); | |
7e01e7ad | 960 | struct inode *whiteout = NULL; |
762e4db5 | 961 | struct page *old_dir_page = NULL; |
7e01e7ad | 962 | struct page *old_page, *new_page = NULL; |
57397d86 JK |
963 | struct f2fs_dir_entry *old_dir_entry = NULL; |
964 | struct f2fs_dir_entry *old_entry; | |
965 | struct f2fs_dir_entry *new_entry; | |
d83d0f5b | 966 | int err; |
57397d86 | 967 | |
1f227a3e JK |
968 | if (unlikely(f2fs_cp_error(sbi))) |
969 | return -EIO; | |
00e09c0b CY |
970 | if (!f2fs_is_checkpoint_ready(sbi)) |
971 | return -ENOSPC; | |
1f227a3e | 972 | |
5c57132e CY |
973 | if (is_inode_flag_set(new_dir, FI_PROJ_INHERIT) && |
974 | (!projid_eq(F2FS_I(new_dir)->i_projid, | |
975 | F2FS_I(old_dentry->d_inode)->i_projid))) | |
976 | return -EXDEV; | |
977 | ||
b06af2af JK |
978 | /* |
979 | * If new_inode is null, the below renaming flow will | |
146949de | 980 | * add a link in old_dir which can convert inline_dir. |
b06af2af JK |
981 | * After then, if we failed to get the entry due to other |
982 | * reasons like ENOMEM, we had to remove the new entry. | |
983 | * Instead of adding such the error handling routine, let's | |
984 | * simply convert first here. | |
985 | */ | |
986 | if (old_dir == new_dir && !new_inode) { | |
987 | err = f2fs_try_convert_inline_dir(old_dir, new_dentry); | |
988 | if (err) | |
989 | return err; | |
990 | } | |
991 | ||
5b1dbb08 | 992 | if (flags & RENAME_WHITEOUT) { |
f2d40141 | 993 | err = f2fs_create_whiteout(idmap, old_dir, &whiteout); |
5b1dbb08 JK |
994 | if (err) |
995 | return err; | |
996 | } | |
997 | ||
10a26878 | 998 | err = f2fs_dquot_initialize(old_dir); |
0abd675e CY |
999 | if (err) |
1000 | goto out; | |
1001 | ||
10a26878 | 1002 | err = f2fs_dquot_initialize(new_dir); |
0abd675e CY |
1003 | if (err) |
1004 | goto out; | |
1005 | ||
d8d1389e | 1006 | if (new_inode) { |
10a26878 | 1007 | err = f2fs_dquot_initialize(new_inode); |
d8d1389e JK |
1008 | if (err) |
1009 | goto out; | |
1010 | } | |
1011 | ||
d83d0f5b | 1012 | err = -ENOENT; |
57397d86 | 1013 | old_entry = f2fs_find_entry(old_dir, &old_dentry->d_name, &old_page); |
91246c21 CY |
1014 | if (!old_entry) { |
1015 | if (IS_ERR(old_page)) | |
1016 | err = PTR_ERR(old_page); | |
cde3c9d7 | 1017 | goto out; |
91246c21 | 1018 | } |
57397d86 JK |
1019 | |
1020 | if (S_ISDIR(old_inode->i_mode)) { | |
57397d86 | 1021 | old_dir_entry = f2fs_parent_dir(old_inode, &old_dir_page); |
3e19886e | 1022 | if (!old_dir_entry) { |
91246c21 CY |
1023 | if (IS_ERR(old_dir_page)) |
1024 | err = PTR_ERR(old_dir_page); | |
57397d86 | 1025 | goto out_old; |
3e19886e | 1026 | } |
57397d86 JK |
1027 | } |
1028 | ||
57397d86 | 1029 | if (new_inode) { |
57397d86 JK |
1030 | |
1031 | err = -ENOTEMPTY; | |
1032 | if (old_dir_entry && !f2fs_empty_dir(new_inode)) | |
5b1dbb08 | 1033 | goto out_dir; |
57397d86 JK |
1034 | |
1035 | err = -ENOENT; | |
1036 | new_entry = f2fs_find_entry(new_dir, &new_dentry->d_name, | |
1037 | &new_page); | |
91246c21 CY |
1038 | if (!new_entry) { |
1039 | if (IS_ERR(new_page)) | |
1040 | err = PTR_ERR(new_page); | |
5b1dbb08 | 1041 | goto out_dir; |
91246c21 | 1042 | } |
57397d86 | 1043 | |
2c4db1a6 | 1044 | f2fs_balance_fs(sbi, true); |
00623e6b | 1045 | |
1256010a CY |
1046 | f2fs_lock_op(sbi); |
1047 | ||
4d57b86d | 1048 | err = f2fs_acquire_orphan_inode(sbi); |
cbd56e7d JK |
1049 | if (err) |
1050 | goto put_out_dir; | |
1051 | ||
57397d86 | 1052 | f2fs_set_link(new_dir, new_entry, new_page, old_inode); |
762e4db5 | 1053 | new_page = NULL; |
57397d86 | 1054 | |
c62ebd35 | 1055 | inode_set_ctime_current(new_inode); |
e4544b63 | 1056 | f2fs_down_write(&F2FS_I(new_inode)->i_sem); |
57397d86 | 1057 | if (old_dir_entry) |
a1961246 JK |
1058 | f2fs_i_links_write(new_inode, false); |
1059 | f2fs_i_links_write(new_inode, false); | |
e4544b63 | 1060 | f2fs_up_write(&F2FS_I(new_inode)->i_sem); |
d928bfbf | 1061 | |
57397d86 | 1062 | if (!new_inode->i_nlink) |
4d57b86d | 1063 | f2fs_add_orphan_inode(new_inode); |
cbd56e7d | 1064 | else |
4d57b86d | 1065 | f2fs_release_orphan_inode(sbi); |
57397d86 | 1066 | } else { |
2c4db1a6 | 1067 | f2fs_balance_fs(sbi, true); |
00623e6b | 1068 | |
1256010a CY |
1069 | f2fs_lock_op(sbi); |
1070 | ||
57397d86 | 1071 | err = f2fs_add_link(new_dentry, old_inode); |
1256010a CY |
1072 | if (err) { |
1073 | f2fs_unlock_op(sbi); | |
5b1dbb08 | 1074 | goto out_dir; |
1256010a | 1075 | } |
57397d86 | 1076 | |
ee6d182f | 1077 | if (old_dir_entry) |
a1961246 | 1078 | f2fs_i_links_write(new_dir, true); |
57397d86 JK |
1079 | } |
1080 | ||
e4544b63 | 1081 | f2fs_down_write(&F2FS_I(old_inode)->i_sem); |
b855bf0e SY |
1082 | if (!old_dir_entry || whiteout) |
1083 | file_lost_pino(old_inode); | |
1084 | else | |
2a60637f CY |
1085 | /* adjust dir's i_pino to pass fsck check */ |
1086 | f2fs_i_pino_write(old_inode, new_dir->i_ino); | |
e4544b63 | 1087 | f2fs_up_write(&F2FS_I(old_inode)->i_sem); |
b2c08299 | 1088 | |
c62ebd35 | 1089 | inode_set_ctime_current(old_inode); |
7c45729a | 1090 | f2fs_mark_inode_dirty_sync(old_inode, false); |
57397d86 | 1091 | |
dbeacf02 | 1092 | f2fs_delete_entry(old_entry, old_page, old_dir, NULL); |
762e4db5 | 1093 | old_page = NULL; |
57397d86 | 1094 | |
7e01e7ad | 1095 | if (whiteout) { |
91942321 | 1096 | set_inode_flag(whiteout, FI_INC_LINK); |
7e01e7ad CY |
1097 | err = f2fs_add_link(old_dentry, whiteout); |
1098 | if (err) | |
1099 | goto put_out_dir; | |
46085f37 CY |
1100 | |
1101 | spin_lock(&whiteout->i_lock); | |
7e01e7ad | 1102 | whiteout->i_state &= ~I_LINKABLE; |
46085f37 CY |
1103 | spin_unlock(&whiteout->i_lock); |
1104 | ||
7e01e7ad CY |
1105 | iput(whiteout); |
1106 | } | |
1107 | ||
57397d86 | 1108 | if (old_dir_entry) { |
bdbc90fa | 1109 | if (old_dir != new_dir && !whiteout) |
57397d86 JK |
1110 | f2fs_set_link(old_inode, old_dir_entry, |
1111 | old_dir_page, new_dir); | |
bdbc90fa | 1112 | else |
57397d86 | 1113 | f2fs_put_page(old_dir_page, 0); |
a1961246 | 1114 | f2fs_i_links_write(old_dir, false); |
57397d86 | 1115 | } |
ade990f9 | 1116 | if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_STRICT) { |
4d57b86d | 1117 | f2fs_add_ino_entry(sbi, new_dir->i_ino, TRANS_DIR_INO); |
ade990f9 | 1118 | if (S_ISDIR(old_inode->i_mode)) |
4d57b86d CY |
1119 | f2fs_add_ino_entry(sbi, old_inode->i_ino, |
1120 | TRANS_DIR_INO); | |
ade990f9 | 1121 | } |
57397d86 | 1122 | |
e479556b | 1123 | f2fs_unlock_op(sbi); |
b7e1d800 JK |
1124 | |
1125 | if (IS_DIRSYNC(old_dir) || IS_DIRSYNC(new_dir)) | |
1126 | f2fs_sync_fs(sbi->sb, 1); | |
6390398e ST |
1127 | |
1128 | f2fs_update_time(sbi, REQ_TIME); | |
57397d86 JK |
1129 | return 0; |
1130 | ||
cbd56e7d | 1131 | put_out_dir: |
1256010a | 1132 | f2fs_unlock_op(sbi); |
762e4db5 | 1133 | f2fs_put_page(new_page, 0); |
57397d86 | 1134 | out_dir: |
bdbc90fa | 1135 | if (old_dir_entry) |
57397d86 | 1136 | f2fs_put_page(old_dir_page, 0); |
57397d86 | 1137 | out_old: |
57397d86 JK |
1138 | f2fs_put_page(old_page, 0); |
1139 | out: | |
646f64b5 | 1140 | iput(whiteout); |
57397d86 JK |
1141 | return err; |
1142 | } | |
1143 | ||
32f9bc25 CY |
1144 | static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry, |
1145 | struct inode *new_dir, struct dentry *new_dentry) | |
1146 | { | |
4081363f | 1147 | struct f2fs_sb_info *sbi = F2FS_I_SB(old_dir); |
2b0143b5 DH |
1148 | struct inode *old_inode = d_inode(old_dentry); |
1149 | struct inode *new_inode = d_inode(new_dentry); | |
32f9bc25 CY |
1150 | struct page *old_dir_page, *new_dir_page; |
1151 | struct page *old_page, *new_page; | |
1152 | struct f2fs_dir_entry *old_dir_entry = NULL, *new_dir_entry = NULL; | |
1153 | struct f2fs_dir_entry *old_entry, *new_entry; | |
1154 | int old_nlink = 0, new_nlink = 0; | |
d83d0f5b | 1155 | int err; |
363fa4e0 | 1156 | |
1f227a3e JK |
1157 | if (unlikely(f2fs_cp_error(sbi))) |
1158 | return -EIO; | |
00e09c0b CY |
1159 | if (!f2fs_is_checkpoint_ready(sbi)) |
1160 | return -ENOSPC; | |
1f227a3e | 1161 | |
5c57132e CY |
1162 | if ((is_inode_flag_set(new_dir, FI_PROJ_INHERIT) && |
1163 | !projid_eq(F2FS_I(new_dir)->i_projid, | |
1164 | F2FS_I(old_dentry->d_inode)->i_projid)) || | |
1165 | (is_inode_flag_set(new_dir, FI_PROJ_INHERIT) && | |
1166 | !projid_eq(F2FS_I(old_dir)->i_projid, | |
1167 | F2FS_I(new_dentry->d_inode)->i_projid))) | |
1168 | return -EXDEV; | |
1169 | ||
10a26878 | 1170 | err = f2fs_dquot_initialize(old_dir); |
0abd675e CY |
1171 | if (err) |
1172 | goto out; | |
1173 | ||
10a26878 | 1174 | err = f2fs_dquot_initialize(new_dir); |
0abd675e CY |
1175 | if (err) |
1176 | goto out; | |
1177 | ||
d83d0f5b | 1178 | err = -ENOENT; |
32f9bc25 | 1179 | old_entry = f2fs_find_entry(old_dir, &old_dentry->d_name, &old_page); |
91246c21 CY |
1180 | if (!old_entry) { |
1181 | if (IS_ERR(old_page)) | |
1182 | err = PTR_ERR(old_page); | |
32f9bc25 | 1183 | goto out; |
91246c21 | 1184 | } |
32f9bc25 CY |
1185 | |
1186 | new_entry = f2fs_find_entry(new_dir, &new_dentry->d_name, &new_page); | |
91246c21 CY |
1187 | if (!new_entry) { |
1188 | if (IS_ERR(new_page)) | |
1189 | err = PTR_ERR(new_page); | |
32f9bc25 | 1190 | goto out_old; |
91246c21 | 1191 | } |
32f9bc25 CY |
1192 | |
1193 | /* prepare for updating ".." directory entry info later */ | |
1194 | if (old_dir != new_dir) { | |
1195 | if (S_ISDIR(old_inode->i_mode)) { | |
32f9bc25 CY |
1196 | old_dir_entry = f2fs_parent_dir(old_inode, |
1197 | &old_dir_page); | |
3e19886e | 1198 | if (!old_dir_entry) { |
91246c21 CY |
1199 | if (IS_ERR(old_dir_page)) |
1200 | err = PTR_ERR(old_dir_page); | |
32f9bc25 | 1201 | goto out_new; |
3e19886e | 1202 | } |
32f9bc25 CY |
1203 | } |
1204 | ||
1205 | if (S_ISDIR(new_inode->i_mode)) { | |
32f9bc25 CY |
1206 | new_dir_entry = f2fs_parent_dir(new_inode, |
1207 | &new_dir_page); | |
3e19886e | 1208 | if (!new_dir_entry) { |
91246c21 CY |
1209 | if (IS_ERR(new_dir_page)) |
1210 | err = PTR_ERR(new_dir_page); | |
32f9bc25 | 1211 | goto out_old_dir; |
3e19886e | 1212 | } |
32f9bc25 CY |
1213 | } |
1214 | } | |
1215 | ||
1216 | /* | |
1217 | * If cross rename between file and directory those are not | |
1218 | * in the same directory, we will inc nlink of file's parent | |
1219 | * later, so we should check upper boundary of its nlink. | |
1220 | */ | |
1221 | if ((!old_dir_entry || !new_dir_entry) && | |
1222 | old_dir_entry != new_dir_entry) { | |
1223 | old_nlink = old_dir_entry ? -1 : 1; | |
1224 | new_nlink = -old_nlink; | |
1225 | err = -EMLINK; | |
e2f0e962 KM |
1226 | if ((old_nlink > 0 && old_dir->i_nlink >= F2FS_LINK_MAX) || |
1227 | (new_nlink > 0 && new_dir->i_nlink >= F2FS_LINK_MAX)) | |
32f9bc25 CY |
1228 | goto out_new_dir; |
1229 | } | |
1230 | ||
2c4db1a6 | 1231 | f2fs_balance_fs(sbi, true); |
00623e6b | 1232 | |
32f9bc25 CY |
1233 | f2fs_lock_op(sbi); |
1234 | ||
32f9bc25 CY |
1235 | /* update ".." directory entry info of old dentry */ |
1236 | if (old_dir_entry) | |
1237 | f2fs_set_link(old_inode, old_dir_entry, old_dir_page, new_dir); | |
1238 | ||
1239 | /* update ".." directory entry info of new dentry */ | |
1240 | if (new_dir_entry) | |
1241 | f2fs_set_link(new_inode, new_dir_entry, new_dir_page, old_dir); | |
1242 | ||
1243 | /* update directory entry info of old dir inode */ | |
1244 | f2fs_set_link(old_dir, old_entry, old_page, new_inode); | |
1245 | ||
e4544b63 | 1246 | f2fs_down_write(&F2FS_I(old_inode)->i_sem); |
2a60637f CY |
1247 | if (!old_dir_entry) |
1248 | file_lost_pino(old_inode); | |
1249 | else | |
1250 | /* adjust dir's i_pino to pass fsck check */ | |
1251 | f2fs_i_pino_write(old_inode, new_dir->i_ino); | |
e4544b63 | 1252 | f2fs_up_write(&F2FS_I(old_inode)->i_sem); |
32f9bc25 | 1253 | |
c62ebd35 | 1254 | inode_set_ctime_current(old_dir); |
32f9bc25 | 1255 | if (old_nlink) { |
e4544b63 | 1256 | f2fs_down_write(&F2FS_I(old_dir)->i_sem); |
a1961246 | 1257 | f2fs_i_links_write(old_dir, old_nlink > 0); |
e4544b63 | 1258 | f2fs_up_write(&F2FS_I(old_dir)->i_sem); |
32f9bc25 | 1259 | } |
7c45729a | 1260 | f2fs_mark_inode_dirty_sync(old_dir, false); |
32f9bc25 CY |
1261 | |
1262 | /* update directory entry info of new dir inode */ | |
1263 | f2fs_set_link(new_dir, new_entry, new_page, old_inode); | |
1264 | ||
e4544b63 | 1265 | f2fs_down_write(&F2FS_I(new_inode)->i_sem); |
2a60637f CY |
1266 | if (!new_dir_entry) |
1267 | file_lost_pino(new_inode); | |
1268 | else | |
1269 | /* adjust dir's i_pino to pass fsck check */ | |
1270 | f2fs_i_pino_write(new_inode, old_dir->i_ino); | |
e4544b63 | 1271 | f2fs_up_write(&F2FS_I(new_inode)->i_sem); |
32f9bc25 | 1272 | |
c62ebd35 | 1273 | inode_set_ctime_current(new_dir); |
32f9bc25 | 1274 | if (new_nlink) { |
e4544b63 | 1275 | f2fs_down_write(&F2FS_I(new_dir)->i_sem); |
a1961246 | 1276 | f2fs_i_links_write(new_dir, new_nlink > 0); |
e4544b63 | 1277 | f2fs_up_write(&F2FS_I(new_dir)->i_sem); |
32f9bc25 | 1278 | } |
7c45729a | 1279 | f2fs_mark_inode_dirty_sync(new_dir, false); |
32f9bc25 | 1280 | |
63189b78 | 1281 | if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_STRICT) { |
4d57b86d CY |
1282 | f2fs_add_ino_entry(sbi, old_dir->i_ino, TRANS_DIR_INO); |
1283 | f2fs_add_ino_entry(sbi, new_dir->i_ino, TRANS_DIR_INO); | |
93cf93f1 | 1284 | } |
0a007b97 | 1285 | |
32f9bc25 | 1286 | f2fs_unlock_op(sbi); |
b7e1d800 JK |
1287 | |
1288 | if (IS_DIRSYNC(old_dir) || IS_DIRSYNC(new_dir)) | |
1289 | f2fs_sync_fs(sbi->sb, 1); | |
6390398e ST |
1290 | |
1291 | f2fs_update_time(sbi, REQ_TIME); | |
32f9bc25 | 1292 | return 0; |
32f9bc25 CY |
1293 | out_new_dir: |
1294 | if (new_dir_entry) { | |
32f9bc25 CY |
1295 | f2fs_put_page(new_dir_page, 0); |
1296 | } | |
1297 | out_old_dir: | |
1298 | if (old_dir_entry) { | |
32f9bc25 CY |
1299 | f2fs_put_page(old_dir_page, 0); |
1300 | } | |
1301 | out_new: | |
32f9bc25 CY |
1302 | f2fs_put_page(new_page, 0); |
1303 | out_old: | |
32f9bc25 CY |
1304 | f2fs_put_page(old_page, 0); |
1305 | out: | |
1306 | return err; | |
1307 | } | |
1308 | ||
e18275ae | 1309 | static int f2fs_rename2(struct mnt_idmap *idmap, |
549c7297 | 1310 | struct inode *old_dir, struct dentry *old_dentry, |
32f9bc25 CY |
1311 | struct inode *new_dir, struct dentry *new_dentry, |
1312 | unsigned int flags) | |
1313 | { | |
2e45b07f EB |
1314 | int err; |
1315 | ||
7e01e7ad | 1316 | if (flags & ~(RENAME_NOREPLACE | RENAME_EXCHANGE | RENAME_WHITEOUT)) |
32f9bc25 CY |
1317 | return -EINVAL; |
1318 | ||
2e45b07f EB |
1319 | err = fscrypt_prepare_rename(old_dir, old_dentry, new_dir, new_dentry, |
1320 | flags); | |
1321 | if (err) | |
1322 | return err; | |
1323 | ||
32f9bc25 CY |
1324 | if (flags & RENAME_EXCHANGE) { |
1325 | return f2fs_cross_rename(old_dir, old_dentry, | |
1326 | new_dir, new_dentry); | |
1327 | } | |
1328 | /* | |
1329 | * VFS has already handled the new dentry existence case, | |
1330 | * here, we just deal with "RENAME_NOREPLACE" as regular rename. | |
1331 | */ | |
f2d40141 | 1332 | return f2fs_rename(idmap, old_dir, old_dentry, |
984fc4e7 | 1333 | new_dir, new_dentry, flags); |
32f9bc25 CY |
1334 | } |
1335 | ||
6b255391 | 1336 | static const char *f2fs_encrypted_get_link(struct dentry *dentry, |
fceef393 AV |
1337 | struct inode *inode, |
1338 | struct delayed_call *done) | |
50732df0 | 1339 | { |
f2329cb6 EB |
1340 | struct page *page; |
1341 | const char *target; | |
cbaf042a | 1342 | |
6b255391 AV |
1343 | if (!dentry) |
1344 | return ERR_PTR(-ECHILD); | |
1345 | ||
f2329cb6 EB |
1346 | page = read_mapping_page(inode->i_mapping, 0, NULL); |
1347 | if (IS_ERR(page)) | |
1348 | return ERR_CAST(page); | |
cbaf042a | 1349 | |
f2329cb6 EB |
1350 | target = fscrypt_get_symlink(inode, page_address(page), |
1351 | inode->i_sb->s_blocksize, done); | |
1352 | put_page(page); | |
1353 | return target; | |
50732df0 CY |
1354 | } |
1355 | ||
b74d24f7 | 1356 | static int f2fs_encrypted_symlink_getattr(struct mnt_idmap *idmap, |
461b43a8 EB |
1357 | const struct path *path, |
1358 | struct kstat *stat, u32 request_mask, | |
1359 | unsigned int query_flags) | |
1360 | { | |
b74d24f7 | 1361 | f2fs_getattr(idmap, path, stat, request_mask, query_flags); |
461b43a8 EB |
1362 | |
1363 | return fscrypt_symlink_getattr(path, stat); | |
1364 | } | |
1365 | ||
cbaf042a | 1366 | const struct inode_operations f2fs_encrypted_symlink_inode_operations = { |
a87aff1d | 1367 | .get_link = f2fs_encrypted_get_link, |
461b43a8 | 1368 | .getattr = f2fs_encrypted_symlink_getattr, |
cbaf042a | 1369 | .setattr = f2fs_setattr, |
cbaf042a | 1370 | .listxattr = f2fs_listxattr, |
cbaf042a | 1371 | }; |
cbaf042a | 1372 | |
57397d86 JK |
1373 | const struct inode_operations f2fs_dir_inode_operations = { |
1374 | .create = f2fs_create, | |
1375 | .lookup = f2fs_lookup, | |
1376 | .link = f2fs_link, | |
1377 | .unlink = f2fs_unlink, | |
1378 | .symlink = f2fs_symlink, | |
1379 | .mkdir = f2fs_mkdir, | |
1380 | .rmdir = f2fs_rmdir, | |
1381 | .mknod = f2fs_mknod, | |
2773bf00 | 1382 | .rename = f2fs_rename2, |
50732df0 | 1383 | .tmpfile = f2fs_tmpfile, |
2d4d9fb5 | 1384 | .getattr = f2fs_getattr, |
57397d86 | 1385 | .setattr = f2fs_setattr, |
cac2f8b8 | 1386 | .get_inode_acl = f2fs_get_acl, |
a6dda0e6 | 1387 | .set_acl = f2fs_set_acl, |
57397d86 | 1388 | .listxattr = f2fs_listxattr, |
7975f349 | 1389 | .fiemap = f2fs_fiemap, |
9b1bb01c MS |
1390 | .fileattr_get = f2fs_fileattr_get, |
1391 | .fileattr_set = f2fs_fileattr_set, | |
57397d86 JK |
1392 | }; |
1393 | ||
1394 | const struct inode_operations f2fs_symlink_inode_operations = { | |
a87aff1d | 1395 | .get_link = f2fs_get_link, |
2d4d9fb5 | 1396 | .getattr = f2fs_getattr, |
57397d86 | 1397 | .setattr = f2fs_setattr, |
57397d86 | 1398 | .listxattr = f2fs_listxattr, |
57397d86 JK |
1399 | }; |
1400 | ||
1401 | const struct inode_operations f2fs_special_inode_operations = { | |
2d4d9fb5 | 1402 | .getattr = f2fs_getattr, |
a87aff1d | 1403 | .setattr = f2fs_setattr, |
cac2f8b8 | 1404 | .get_inode_acl = f2fs_get_acl, |
a6dda0e6 | 1405 | .set_acl = f2fs_set_acl, |
57397d86 | 1406 | .listxattr = f2fs_listxattr, |
57397d86 | 1407 | }; |