Commit | Line | Data |
---|---|---|
b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
1da177e4 LT |
2 | /* |
3 | * linux/fs/hfsplus/catalog.c | |
4 | * | |
5 | * Copyright (C) 2001 | |
6 | * Brad Boyer (flar@allandria.com) | |
7 | * (C) 2003 Ardis Technologies <roman@ardistech.com> | |
8 | * | |
9 | * Handling of catalog records | |
10 | */ | |
11 | ||
1da177e4 LT |
12 | |
13 | #include "hfsplus_fs.h" | |
14 | #include "hfsplus_raw.h" | |
15 | ||
2179d372 DE |
16 | int hfsplus_cat_case_cmp_key(const hfsplus_btree_key *k1, |
17 | const hfsplus_btree_key *k2) | |
1da177e4 LT |
18 | { |
19 | __be32 k1p, k2p; | |
20 | ||
21 | k1p = k1->cat.parent; | |
22 | k2p = k2->cat.parent; | |
23 | if (k1p != k2p) | |
24 | return be32_to_cpu(k1p) < be32_to_cpu(k2p) ? -1 : 1; | |
25 | ||
2179d372 DE |
26 | return hfsplus_strcasecmp(&k1->cat.name, &k2->cat.name); |
27 | } | |
28 | ||
29 | int hfsplus_cat_bin_cmp_key(const hfsplus_btree_key *k1, | |
30 | const hfsplus_btree_key *k2) | |
31 | { | |
32 | __be32 k1p, k2p; | |
33 | ||
34 | k1p = k1->cat.parent; | |
35 | k2p = k2->cat.parent; | |
36 | if (k1p != k2p) | |
37 | return be32_to_cpu(k1p) < be32_to_cpu(k2p) ? -1 : 1; | |
38 | ||
39 | return hfsplus_strcmp(&k1->cat.name, &k2->cat.name); | |
1da177e4 LT |
40 | } |
41 | ||
89ac9b4d SS |
42 | /* Generates key for catalog file/folders record. */ |
43 | int hfsplus_cat_build_key(struct super_block *sb, | |
b5cce521 | 44 | hfsplus_btree_key *key, u32 parent, const struct qstr *str) |
1da177e4 | 45 | { |
89ac9b4d | 46 | int len, err; |
1da177e4 LT |
47 | |
48 | key->cat.parent = cpu_to_be32(parent); | |
89ac9b4d SS |
49 | err = hfsplus_asc2uni(sb, &key->cat.name, HFSPLUS_MAX_STRLEN, |
50 | str->name, str->len); | |
51 | if (unlikely(err < 0)) | |
52 | return err; | |
53 | ||
54 | len = be16_to_cpu(key->cat.name.length); | |
1da177e4 | 55 | key->key_len = cpu_to_be16(6 + 2 * len); |
89ac9b4d SS |
56 | return 0; |
57 | } | |
58 | ||
59 | /* Generates key for catalog thread record. */ | |
60 | void hfsplus_cat_build_key_with_cnid(struct super_block *sb, | |
61 | hfsplus_btree_key *key, u32 parent) | |
62 | { | |
63 | key->cat.parent = cpu_to_be32(parent); | |
64 | key->cat.name.length = 0; | |
65 | key->key_len = cpu_to_be16(6); | |
1da177e4 LT |
66 | } |
67 | ||
68 | static void hfsplus_cat_build_key_uni(hfsplus_btree_key *key, u32 parent, | |
69 | struct hfsplus_unistr *name) | |
70 | { | |
71 | int ustrlen; | |
72 | ||
73 | ustrlen = be16_to_cpu(name->length); | |
74 | key->cat.parent = cpu_to_be32(parent); | |
75 | key->cat.name.length = cpu_to_be16(ustrlen); | |
76 | ustrlen *= 2; | |
77 | memcpy(key->cat.name.unicode, name->unicode, ustrlen); | |
78 | key->key_len = cpu_to_be16(6 + ustrlen); | |
79 | } | |
80 | ||
90e61690 | 81 | void hfsplus_cat_set_perms(struct inode *inode, struct hfsplus_perm *perms) |
1da177e4 LT |
82 | { |
83 | if (inode->i_flags & S_IMMUTABLE) | |
84 | perms->rootflags |= HFSPLUS_FLG_IMMUTABLE; | |
85 | else | |
86 | perms->rootflags &= ~HFSPLUS_FLG_IMMUTABLE; | |
87 | if (inode->i_flags & S_APPEND) | |
88 | perms->rootflags |= HFSPLUS_FLG_APPEND; | |
89 | else | |
90 | perms->rootflags &= ~HFSPLUS_FLG_APPEND; | |
90e61690 CH |
91 | |
92 | perms->userflags = HFSPLUS_I(inode)->userflags; | |
1da177e4 | 93 | perms->mode = cpu_to_be16(inode->i_mode); |
16525e3f EB |
94 | perms->owner = cpu_to_be32(i_uid_read(inode)); |
95 | perms->group = cpu_to_be32(i_gid_read(inode)); | |
90e61690 CH |
96 | |
97 | if (S_ISREG(inode->i_mode)) | |
98 | perms->dev = cpu_to_be32(inode->i_nlink); | |
99 | else if (S_ISBLK(inode->i_mode) || S_ISCHR(inode->i_mode)) | |
100 | perms->dev = cpu_to_be32(inode->i_rdev); | |
101 | else | |
102 | perms->dev = 0; | |
1da177e4 LT |
103 | } |
104 | ||
2753cc28 AS |
105 | static int hfsplus_cat_build_record(hfsplus_cat_entry *entry, |
106 | u32 cnid, struct inode *inode) | |
1da177e4 | 107 | { |
dd73a01a CH |
108 | struct hfsplus_sb_info *sbi = HFSPLUS_SB(inode->i_sb); |
109 | ||
1da177e4 LT |
110 | if (S_ISDIR(inode->i_mode)) { |
111 | struct hfsplus_cat_folder *folder; | |
112 | ||
113 | folder = &entry->folder; | |
114 | memset(folder, 0, sizeof(*folder)); | |
115 | folder->type = cpu_to_be16(HFSPLUS_FOLDER); | |
d7d673a5 SA |
116 | if (test_bit(HFSPLUS_SB_HFSX, &sbi->flags)) |
117 | folder->flags |= cpu_to_be16(HFSPLUS_HAS_FOLDER_COUNT); | |
1da177e4 | 118 | folder->id = cpu_to_be32(inode->i_ino); |
6af502de | 119 | HFSPLUS_I(inode)->create_date = |
9a4cad95 RZ |
120 | folder->create_date = |
121 | folder->content_mod_date = | |
122 | folder->attribute_mod_date = | |
123 | folder->access_date = hfsp_now2mt(); | |
90e61690 | 124 | hfsplus_cat_set_perms(inode, &folder->permissions); |
dd73a01a | 125 | if (inode == sbi->hidden_dir) |
1da177e4 LT |
126 | /* invisible and namelocked */ |
127 | folder->user_info.frFlags = cpu_to_be16(0x5000); | |
128 | return sizeof(*folder); | |
129 | } else { | |
130 | struct hfsplus_cat_file *file; | |
131 | ||
132 | file = &entry->file; | |
133 | memset(file, 0, sizeof(*file)); | |
134 | file->type = cpu_to_be16(HFSPLUS_FILE); | |
135 | file->flags = cpu_to_be16(HFSPLUS_FILE_THREAD_EXISTS); | |
136 | file->id = cpu_to_be32(cnid); | |
6af502de | 137 | HFSPLUS_I(inode)->create_date = |
9a4cad95 RZ |
138 | file->create_date = |
139 | file->content_mod_date = | |
140 | file->attribute_mod_date = | |
141 | file->access_date = hfsp_now2mt(); | |
1da177e4 | 142 | if (cnid == inode->i_ino) { |
90e61690 | 143 | hfsplus_cat_set_perms(inode, &file->permissions); |
6b192832 | 144 | if (S_ISLNK(inode->i_mode)) { |
2753cc28 AS |
145 | file->user_info.fdType = |
146 | cpu_to_be32(HFSP_SYMLINK_TYPE); | |
147 | file->user_info.fdCreator = | |
148 | cpu_to_be32(HFSP_SYMLINK_CREATOR); | |
6b192832 | 149 | } else { |
2753cc28 AS |
150 | file->user_info.fdType = |
151 | cpu_to_be32(sbi->type); | |
152 | file->user_info.fdCreator = | |
153 | cpu_to_be32(sbi->creator); | |
6b192832 | 154 | } |
2753cc28 AS |
155 | if (HFSPLUS_FLG_IMMUTABLE & |
156 | (file->permissions.rootflags | | |
157 | file->permissions.userflags)) | |
158 | file->flags |= | |
159 | cpu_to_be16(HFSPLUS_FILE_LOCKED); | |
1da177e4 | 160 | } else { |
2753cc28 AS |
161 | file->user_info.fdType = |
162 | cpu_to_be32(HFSP_HARDLINK_TYPE); | |
163 | file->user_info.fdCreator = | |
164 | cpu_to_be32(HFSP_HFSPLUS_CREATOR); | |
165 | file->user_info.fdFlags = | |
166 | cpu_to_be16(0x100); | |
167 | file->create_date = | |
168 | HFSPLUS_I(sbi->hidden_dir)->create_date; | |
169 | file->permissions.dev = | |
170 | cpu_to_be32(HFSPLUS_I(inode)->linkid); | |
1da177e4 LT |
171 | } |
172 | return sizeof(*file); | |
173 | } | |
174 | } | |
175 | ||
176 | static int hfsplus_fill_cat_thread(struct super_block *sb, | |
177 | hfsplus_cat_entry *entry, int type, | |
b5cce521 | 178 | u32 parentid, const struct qstr *str) |
1da177e4 | 179 | { |
89ac9b4d SS |
180 | int err; |
181 | ||
1da177e4 LT |
182 | entry->type = cpu_to_be16(type); |
183 | entry->thread.reserved = 0; | |
184 | entry->thread.parentID = cpu_to_be32(parentid); | |
89ac9b4d | 185 | err = hfsplus_asc2uni(sb, &entry->thread.nodeName, HFSPLUS_MAX_STRLEN, |
324ef39a | 186 | str->name, str->len); |
89ac9b4d SS |
187 | if (unlikely(err < 0)) |
188 | return err; | |
189 | ||
1da177e4 LT |
190 | return 10 + be16_to_cpu(entry->thread.nodeName.length) * 2; |
191 | } | |
192 | ||
193 | /* Try to get a catalog entry for given catalog id */ | |
194 | int hfsplus_find_cat(struct super_block *sb, u32 cnid, | |
195 | struct hfs_find_data *fd) | |
196 | { | |
197 | hfsplus_cat_entry tmp; | |
198 | int err; | |
199 | u16 type; | |
200 | ||
89ac9b4d | 201 | hfsplus_cat_build_key_with_cnid(sb, fd->search_key, cnid); |
1da177e4 LT |
202 | err = hfs_brec_read(fd, &tmp, sizeof(hfsplus_cat_entry)); |
203 | if (err) | |
204 | return err; | |
205 | ||
206 | type = be16_to_cpu(tmp.type); | |
207 | if (type != HFSPLUS_FOLDER_THREAD && type != HFSPLUS_FILE_THREAD) { | |
d6142673 | 208 | pr_err("found bad thread record in catalog\n"); |
1da177e4 LT |
209 | return -EIO; |
210 | } | |
211 | ||
efc7ffcb | 212 | if (be16_to_cpu(tmp.thread.nodeName.length) > 255) { |
d6142673 | 213 | pr_err("catalog name length corrupted\n"); |
efc7ffcb ES |
214 | return -EIO; |
215 | } | |
216 | ||
2753cc28 AS |
217 | hfsplus_cat_build_key_uni(fd->search_key, |
218 | be32_to_cpu(tmp.thread.parentID), | |
219 | &tmp.thread.nodeName); | |
324ef39a | 220 | return hfs_brec_find(fd, hfs_find_rec_by_key); |
1da177e4 LT |
221 | } |
222 | ||
d7d673a5 SA |
223 | static void hfsplus_subfolders_inc(struct inode *dir) |
224 | { | |
225 | struct hfsplus_sb_info *sbi = HFSPLUS_SB(dir->i_sb); | |
226 | ||
227 | if (test_bit(HFSPLUS_SB_HFSX, &sbi->flags)) { | |
228 | /* | |
229 | * Increment subfolder count. Note, the value is only meaningful | |
230 | * for folders with HFSPLUS_HAS_FOLDER_COUNT flag set. | |
231 | */ | |
232 | HFSPLUS_I(dir)->subfolders++; | |
233 | } | |
234 | } | |
235 | ||
236 | static void hfsplus_subfolders_dec(struct inode *dir) | |
237 | { | |
238 | struct hfsplus_sb_info *sbi = HFSPLUS_SB(dir->i_sb); | |
239 | ||
240 | if (test_bit(HFSPLUS_SB_HFSX, &sbi->flags)) { | |
241 | /* | |
242 | * Decrement subfolder count. Note, the value is only meaningful | |
243 | * for folders with HFSPLUS_HAS_FOLDER_COUNT flag set. | |
244 | * | |
245 | * Check for zero. Some subfolders may have been created | |
246 | * by an implementation ignorant of this counter. | |
247 | */ | |
248 | if (HFSPLUS_I(dir)->subfolders) | |
249 | HFSPLUS_I(dir)->subfolders--; | |
250 | } | |
251 | } | |
252 | ||
2753cc28 | 253 | int hfsplus_create_cat(u32 cnid, struct inode *dir, |
b5cce521 | 254 | const struct qstr *str, struct inode *inode) |
1da177e4 | 255 | { |
dd73a01a | 256 | struct super_block *sb = dir->i_sb; |
1da177e4 | 257 | struct hfs_find_data fd; |
1da177e4 LT |
258 | hfsplus_cat_entry entry; |
259 | int entry_size; | |
260 | int err; | |
261 | ||
c2b3e1f7 | 262 | hfs_dbg(CAT_MOD, "create_cat: %s,%u(%d)\n", |
2753cc28 | 263 | str->name, cnid, inode->i_nlink); |
5bd9d99d AK |
264 | err = hfs_find_init(HFSPLUS_SB(sb)->cat_tree, &fd); |
265 | if (err) | |
266 | return err; | |
1da177e4 | 267 | |
89ac9b4d | 268 | hfsplus_cat_build_key_with_cnid(sb, fd.search_key, cnid); |
2753cc28 AS |
269 | entry_size = hfsplus_fill_cat_thread(sb, &entry, |
270 | S_ISDIR(inode->i_mode) ? | |
1da177e4 | 271 | HFSPLUS_FOLDER_THREAD : HFSPLUS_FILE_THREAD, |
2753cc28 | 272 | dir->i_ino, str); |
89ac9b4d SS |
273 | if (unlikely(entry_size < 0)) { |
274 | err = entry_size; | |
275 | goto err2; | |
276 | } | |
277 | ||
324ef39a | 278 | err = hfs_brec_find(&fd, hfs_find_rec_by_key); |
1da177e4 LT |
279 | if (err != -ENOENT) { |
280 | if (!err) | |
281 | err = -EEXIST; | |
282 | goto err2; | |
283 | } | |
284 | err = hfs_brec_insert(&fd, &entry, entry_size); | |
285 | if (err) | |
286 | goto err2; | |
287 | ||
89ac9b4d SS |
288 | err = hfsplus_cat_build_key(sb, fd.search_key, dir->i_ino, str); |
289 | if (unlikely(err)) | |
290 | goto err1; | |
291 | ||
1da177e4 | 292 | entry_size = hfsplus_cat_build_record(&entry, cnid, inode); |
324ef39a | 293 | err = hfs_brec_find(&fd, hfs_find_rec_by_key); |
1da177e4 LT |
294 | if (err != -ENOENT) { |
295 | /* panic? */ | |
296 | if (!err) | |
297 | err = -EEXIST; | |
298 | goto err1; | |
299 | } | |
300 | err = hfs_brec_insert(&fd, &entry, entry_size); | |
301 | if (err) | |
302 | goto err1; | |
303 | ||
304 | dir->i_size++; | |
d7d673a5 SA |
305 | if (S_ISDIR(inode->i_mode)) |
306 | hfsplus_subfolders_inc(dir); | |
02027d42 | 307 | dir->i_mtime = dir->i_ctime = current_time(dir); |
e3494705 CH |
308 | hfsplus_mark_inode_dirty(dir, HFSPLUS_I_CAT_DIRTY); |
309 | ||
1da177e4 LT |
310 | hfs_find_exit(&fd); |
311 | return 0; | |
312 | ||
313 | err1: | |
89ac9b4d | 314 | hfsplus_cat_build_key_with_cnid(sb, fd.search_key, cnid); |
324ef39a | 315 | if (!hfs_brec_find(&fd, hfs_find_rec_by_key)) |
1da177e4 LT |
316 | hfs_brec_remove(&fd); |
317 | err2: | |
318 | hfs_find_exit(&fd); | |
319 | return err; | |
320 | } | |
321 | ||
b5cce521 | 322 | int hfsplus_delete_cat(u32 cnid, struct inode *dir, const struct qstr *str) |
1da177e4 | 323 | { |
dd73a01a | 324 | struct super_block *sb = dir->i_sb; |
1da177e4 LT |
325 | struct hfs_find_data fd; |
326 | struct hfsplus_fork_raw fork; | |
327 | struct list_head *pos; | |
328 | int err, off; | |
329 | u16 type; | |
330 | ||
c2b3e1f7 | 331 | hfs_dbg(CAT_MOD, "delete_cat: %s,%u\n", str ? str->name : NULL, cnid); |
5bd9d99d AK |
332 | err = hfs_find_init(HFSPLUS_SB(sb)->cat_tree, &fd); |
333 | if (err) | |
334 | return err; | |
1da177e4 LT |
335 | |
336 | if (!str) { | |
337 | int len; | |
338 | ||
89ac9b4d | 339 | hfsplus_cat_build_key_with_cnid(sb, fd.search_key, cnid); |
324ef39a | 340 | err = hfs_brec_find(&fd, hfs_find_rec_by_key); |
1da177e4 LT |
341 | if (err) |
342 | goto out; | |
343 | ||
2753cc28 AS |
344 | off = fd.entryoffset + |
345 | offsetof(struct hfsplus_cat_thread, nodeName); | |
1da177e4 | 346 | fd.search_key->cat.parent = cpu_to_be32(dir->i_ino); |
2753cc28 AS |
347 | hfs_bnode_read(fd.bnode, |
348 | &fd.search_key->cat.name.length, off, 2); | |
1da177e4 | 349 | len = be16_to_cpu(fd.search_key->cat.name.length) * 2; |
2753cc28 AS |
350 | hfs_bnode_read(fd.bnode, |
351 | &fd.search_key->cat.name.unicode, | |
352 | off + 2, len); | |
1da177e4 | 353 | fd.search_key->key_len = cpu_to_be16(6 + len); |
f01fa5fb | 354 | } else { |
89ac9b4d SS |
355 | err = hfsplus_cat_build_key(sb, fd.search_key, dir->i_ino, str); |
356 | if (unlikely(err)) | |
357 | goto out; | |
f01fa5fb | 358 | } |
1da177e4 | 359 | |
324ef39a | 360 | err = hfs_brec_find(&fd, hfs_find_rec_by_key); |
1da177e4 LT |
361 | if (err) |
362 | goto out; | |
363 | ||
364 | type = hfs_bnode_read_u16(fd.bnode, fd.entryoffset); | |
365 | if (type == HFSPLUS_FILE) { | |
366 | #if 0 | |
367 | off = fd.entryoffset + offsetof(hfsplus_cat_file, data_fork); | |
368 | hfs_bnode_read(fd.bnode, &fork, off, sizeof(fork)); | |
369 | hfsplus_free_fork(sb, cnid, &fork, HFSPLUS_TYPE_DATA); | |
370 | #endif | |
371 | ||
2753cc28 AS |
372 | off = fd.entryoffset + |
373 | offsetof(struct hfsplus_cat_file, rsrc_fork); | |
1da177e4 LT |
374 | hfs_bnode_read(fd.bnode, &fork, off, sizeof(fork)); |
375 | hfsplus_free_fork(sb, cnid, &fork, HFSPLUS_TYPE_RSRC); | |
376 | } | |
377 | ||
323ee8fc AV |
378 | /* we only need to take spinlock for exclusion with ->release() */ |
379 | spin_lock(&HFSPLUS_I(dir)->open_dir_lock); | |
6af502de | 380 | list_for_each(pos, &HFSPLUS_I(dir)->open_dir_list) { |
1da177e4 LT |
381 | struct hfsplus_readdir_data *rd = |
382 | list_entry(pos, struct hfsplus_readdir_data, list); | |
383 | if (fd.tree->keycmp(fd.search_key, (void *)&rd->key) < 0) | |
384 | rd->file->f_pos--; | |
385 | } | |
323ee8fc | 386 | spin_unlock(&HFSPLUS_I(dir)->open_dir_lock); |
1da177e4 LT |
387 | |
388 | err = hfs_brec_remove(&fd); | |
389 | if (err) | |
390 | goto out; | |
391 | ||
89ac9b4d | 392 | hfsplus_cat_build_key_with_cnid(sb, fd.search_key, cnid); |
324ef39a | 393 | err = hfs_brec_find(&fd, hfs_find_rec_by_key); |
1da177e4 LT |
394 | if (err) |
395 | goto out; | |
396 | ||
397 | err = hfs_brec_remove(&fd); | |
398 | if (err) | |
399 | goto out; | |
400 | ||
401 | dir->i_size--; | |
d7d673a5 SA |
402 | if (type == HFSPLUS_FOLDER) |
403 | hfsplus_subfolders_dec(dir); | |
02027d42 | 404 | dir->i_mtime = dir->i_ctime = current_time(dir); |
e3494705 | 405 | hfsplus_mark_inode_dirty(dir, HFSPLUS_I_CAT_DIRTY); |
324ef39a VD |
406 | |
407 | if (type == HFSPLUS_FILE || type == HFSPLUS_FOLDER) { | |
408 | if (HFSPLUS_SB(sb)->attr_tree) | |
409 | hfsplus_delete_all_attrs(dir, cnid); | |
410 | } | |
411 | ||
1da177e4 LT |
412 | out: |
413 | hfs_find_exit(&fd); | |
414 | ||
415 | return err; | |
416 | } | |
417 | ||
418 | int hfsplus_rename_cat(u32 cnid, | |
b5cce521 AV |
419 | struct inode *src_dir, const struct qstr *src_name, |
420 | struct inode *dst_dir, const struct qstr *dst_name) | |
1da177e4 | 421 | { |
dd73a01a | 422 | struct super_block *sb = src_dir->i_sb; |
1da177e4 LT |
423 | struct hfs_find_data src_fd, dst_fd; |
424 | hfsplus_cat_entry entry; | |
425 | int entry_size, type; | |
5bd9d99d | 426 | int err; |
1da177e4 | 427 | |
c2b3e1f7 | 428 | hfs_dbg(CAT_MOD, "rename_cat: %u - %lu,%s - %lu,%s\n", |
2753cc28 | 429 | cnid, src_dir->i_ino, src_name->name, |
1da177e4 | 430 | dst_dir->i_ino, dst_name->name); |
5bd9d99d AK |
431 | err = hfs_find_init(HFSPLUS_SB(sb)->cat_tree, &src_fd); |
432 | if (err) | |
433 | return err; | |
1da177e4 LT |
434 | dst_fd = src_fd; |
435 | ||
436 | /* find the old dir entry and read the data */ | |
89ac9b4d SS |
437 | err = hfsplus_cat_build_key(sb, src_fd.search_key, |
438 | src_dir->i_ino, src_name); | |
439 | if (unlikely(err)) | |
440 | goto out; | |
441 | ||
324ef39a | 442 | err = hfs_brec_find(&src_fd, hfs_find_rec_by_key); |
1da177e4 LT |
443 | if (err) |
444 | goto out; | |
6f24f892 GKH |
445 | if (src_fd.entrylength > sizeof(entry) || src_fd.entrylength < 0) { |
446 | err = -EIO; | |
447 | goto out; | |
448 | } | |
1da177e4 LT |
449 | |
450 | hfs_bnode_read(src_fd.bnode, &entry, src_fd.entryoffset, | |
451 | src_fd.entrylength); | |
d7d673a5 | 452 | type = be16_to_cpu(entry.type); |
1da177e4 LT |
453 | |
454 | /* create new dir entry with the data from the old entry */ | |
89ac9b4d SS |
455 | err = hfsplus_cat_build_key(sb, dst_fd.search_key, |
456 | dst_dir->i_ino, dst_name); | |
457 | if (unlikely(err)) | |
458 | goto out; | |
459 | ||
324ef39a | 460 | err = hfs_brec_find(&dst_fd, hfs_find_rec_by_key); |
1da177e4 LT |
461 | if (err != -ENOENT) { |
462 | if (!err) | |
463 | err = -EEXIST; | |
464 | goto out; | |
465 | } | |
466 | ||
467 | err = hfs_brec_insert(&dst_fd, &entry, src_fd.entrylength); | |
468 | if (err) | |
469 | goto out; | |
470 | dst_dir->i_size++; | |
d7d673a5 SA |
471 | if (type == HFSPLUS_FOLDER) |
472 | hfsplus_subfolders_inc(dst_dir); | |
02027d42 | 473 | dst_dir->i_mtime = dst_dir->i_ctime = current_time(dst_dir); |
1da177e4 LT |
474 | |
475 | /* finally remove the old entry */ | |
89ac9b4d SS |
476 | err = hfsplus_cat_build_key(sb, src_fd.search_key, |
477 | src_dir->i_ino, src_name); | |
478 | if (unlikely(err)) | |
479 | goto out; | |
480 | ||
324ef39a | 481 | err = hfs_brec_find(&src_fd, hfs_find_rec_by_key); |
1da177e4 LT |
482 | if (err) |
483 | goto out; | |
484 | err = hfs_brec_remove(&src_fd); | |
485 | if (err) | |
486 | goto out; | |
487 | src_dir->i_size--; | |
d7d673a5 SA |
488 | if (type == HFSPLUS_FOLDER) |
489 | hfsplus_subfolders_dec(src_dir); | |
02027d42 | 490 | src_dir->i_mtime = src_dir->i_ctime = current_time(src_dir); |
1da177e4 LT |
491 | |
492 | /* remove old thread entry */ | |
89ac9b4d | 493 | hfsplus_cat_build_key_with_cnid(sb, src_fd.search_key, cnid); |
324ef39a | 494 | err = hfs_brec_find(&src_fd, hfs_find_rec_by_key); |
1da177e4 LT |
495 | if (err) |
496 | goto out; | |
497 | type = hfs_bnode_read_u16(src_fd.bnode, src_fd.entryoffset); | |
498 | err = hfs_brec_remove(&src_fd); | |
499 | if (err) | |
500 | goto out; | |
501 | ||
502 | /* create new thread entry */ | |
89ac9b4d | 503 | hfsplus_cat_build_key_with_cnid(sb, dst_fd.search_key, cnid); |
2753cc28 AS |
504 | entry_size = hfsplus_fill_cat_thread(sb, &entry, type, |
505 | dst_dir->i_ino, dst_name); | |
89ac9b4d SS |
506 | if (unlikely(entry_size < 0)) { |
507 | err = entry_size; | |
508 | goto out; | |
509 | } | |
510 | ||
324ef39a | 511 | err = hfs_brec_find(&dst_fd, hfs_find_rec_by_key); |
1da177e4 LT |
512 | if (err != -ENOENT) { |
513 | if (!err) | |
514 | err = -EEXIST; | |
515 | goto out; | |
516 | } | |
517 | err = hfs_brec_insert(&dst_fd, &entry, entry_size); | |
e3494705 CH |
518 | |
519 | hfsplus_mark_inode_dirty(dst_dir, HFSPLUS_I_CAT_DIRTY); | |
520 | hfsplus_mark_inode_dirty(src_dir, HFSPLUS_I_CAT_DIRTY); | |
1da177e4 LT |
521 | out: |
522 | hfs_bnode_put(dst_fd.bnode); | |
523 | hfs_find_exit(&src_fd); | |
524 | return err; | |
525 | } |