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Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * linux/fs/hfsplus/dir.c | |
3 | * | |
4 | * Copyright (C) 2001 | |
5 | * Brad Boyer (flar@allandria.com) | |
6 | * (C) 2003 Ardis Technologies <roman@ardistech.com> | |
7 | * | |
8 | * Handling of directories | |
9 | */ | |
10 | ||
11 | #include <linux/errno.h> | |
12 | #include <linux/fs.h> | |
1da177e4 LT |
13 | #include <linux/slab.h> |
14 | #include <linux/random.h> | |
1da177e4 LT |
15 | |
16 | #include "hfsplus_fs.h" | |
17 | #include "hfsplus_raw.h" | |
18 | ||
19 | static inline void hfsplus_instantiate(struct dentry *dentry, | |
20 | struct inode *inode, u32 cnid) | |
21 | { | |
22 | dentry->d_fsdata = (void *)(unsigned long)cnid; | |
23 | d_instantiate(dentry, inode); | |
24 | } | |
25 | ||
26 | /* Find the entry inside dir named dentry->d_name */ | |
27 | static struct dentry *hfsplus_lookup(struct inode *dir, struct dentry *dentry, | |
00cd8dd3 | 28 | unsigned int flags) |
1da177e4 LT |
29 | { |
30 | struct inode *inode = NULL; | |
31 | struct hfs_find_data fd; | |
32 | struct super_block *sb; | |
33 | hfsplus_cat_entry entry; | |
34 | int err; | |
35 | u32 cnid, linkid = 0; | |
36 | u16 type; | |
37 | ||
38 | sb = dir->i_sb; | |
d45bce8f | 39 | |
1da177e4 | 40 | dentry->d_fsdata = NULL; |
5bd9d99d AK |
41 | err = hfs_find_init(HFSPLUS_SB(sb)->cat_tree, &fd); |
42 | if (err) | |
43 | return ERR_PTR(err); | |
1da177e4 LT |
44 | hfsplus_cat_build_key(sb, fd.search_key, dir->i_ino, &dentry->d_name); |
45 | again: | |
46 | err = hfs_brec_read(&fd, &entry, sizeof(entry)); | |
47 | if (err) { | |
48 | if (err == -ENOENT) { | |
49 | hfs_find_exit(&fd); | |
50 | /* No such entry */ | |
51 | inode = NULL; | |
52 | goto out; | |
53 | } | |
54 | goto fail; | |
55 | } | |
56 | type = be16_to_cpu(entry.type); | |
57 | if (type == HFSPLUS_FOLDER) { | |
58 | if (fd.entrylength < sizeof(struct hfsplus_cat_folder)) { | |
59 | err = -EIO; | |
60 | goto fail; | |
61 | } | |
62 | cnid = be32_to_cpu(entry.folder.id); | |
63 | dentry->d_fsdata = (void *)(unsigned long)cnid; | |
64 | } else if (type == HFSPLUS_FILE) { | |
65 | if (fd.entrylength < sizeof(struct hfsplus_cat_file)) { | |
66 | err = -EIO; | |
67 | goto fail; | |
68 | } | |
69 | cnid = be32_to_cpu(entry.file.id); | |
2753cc28 AS |
70 | if (entry.file.user_info.fdType == |
71 | cpu_to_be32(HFSP_HARDLINK_TYPE) && | |
72 | entry.file.user_info.fdCreator == | |
73 | cpu_to_be32(HFSP_HFSPLUS_CREATOR) && | |
74 | (entry.file.create_date == | |
75 | HFSPLUS_I(HFSPLUS_SB(sb)->hidden_dir)-> | |
76 | create_date || | |
77 | entry.file.create_date == | |
78 | HFSPLUS_I(sb->s_root->d_inode)-> | |
79 | create_date) && | |
80 | HFSPLUS_SB(sb)->hidden_dir) { | |
1da177e4 LT |
81 | struct qstr str; |
82 | char name[32]; | |
83 | ||
84 | if (dentry->d_fsdata) { | |
af8c85bb RZ |
85 | /* |
86 | * We found a link pointing to another link, | |
87 | * so ignore it and treat it as regular file. | |
88 | */ | |
89 | cnid = (unsigned long)dentry->d_fsdata; | |
90 | linkid = 0; | |
91 | } else { | |
92 | dentry->d_fsdata = (void *)(unsigned long)cnid; | |
2753cc28 AS |
93 | linkid = |
94 | be32_to_cpu(entry.file.permissions.dev); | |
af8c85bb RZ |
95 | str.len = sprintf(name, "iNode%d", linkid); |
96 | str.name = name; | |
dd73a01a | 97 | hfsplus_cat_build_key(sb, fd.search_key, |
2753cc28 AS |
98 | HFSPLUS_SB(sb)->hidden_dir->i_ino, |
99 | &str); | |
af8c85bb | 100 | goto again; |
1da177e4 | 101 | } |
1da177e4 LT |
102 | } else if (!dentry->d_fsdata) |
103 | dentry->d_fsdata = (void *)(unsigned long)cnid; | |
104 | } else { | |
634725a9 | 105 | printk(KERN_ERR "hfs: invalid catalog entry type in lookup\n"); |
1da177e4 LT |
106 | err = -EIO; |
107 | goto fail; | |
108 | } | |
109 | hfs_find_exit(&fd); | |
63525391 DH |
110 | inode = hfsplus_iget(dir->i_sb, cnid); |
111 | if (IS_ERR(inode)) | |
112 | return ERR_CAST(inode); | |
1da177e4 | 113 | if (S_ISREG(inode->i_mode)) |
f6089ff8 | 114 | HFSPLUS_I(inode)->linkid = linkid; |
1da177e4 LT |
115 | out: |
116 | d_add(dentry, inode); | |
117 | return NULL; | |
118 | fail: | |
119 | hfs_find_exit(&fd); | |
120 | return ERR_PTR(err); | |
121 | } | |
122 | ||
123 | static int hfsplus_readdir(struct file *filp, void *dirent, filldir_t filldir) | |
124 | { | |
f44ea031 | 125 | struct inode *inode = filp->f_path.dentry->d_inode; |
1da177e4 LT |
126 | struct super_block *sb = inode->i_sb; |
127 | int len, err; | |
128 | char strbuf[HFSPLUS_MAX_STRLEN + 1]; | |
129 | hfsplus_cat_entry entry; | |
130 | struct hfs_find_data fd; | |
131 | struct hfsplus_readdir_data *rd; | |
132 | u16 type; | |
133 | ||
134 | if (filp->f_pos >= inode->i_size) | |
135 | return 0; | |
136 | ||
5bd9d99d AK |
137 | err = hfs_find_init(HFSPLUS_SB(sb)->cat_tree, &fd); |
138 | if (err) | |
139 | return err; | |
1da177e4 LT |
140 | hfsplus_cat_build_key(sb, fd.search_key, inode->i_ino, NULL); |
141 | err = hfs_brec_find(&fd); | |
142 | if (err) | |
143 | goto out; | |
144 | ||
145 | switch ((u32)filp->f_pos) { | |
146 | case 0: | |
147 | /* This is completely artificial... */ | |
148 | if (filldir(dirent, ".", 1, 0, inode->i_ino, DT_DIR)) | |
149 | goto out; | |
150 | filp->f_pos++; | |
151 | /* fall through */ | |
152 | case 1: | |
6f24f892 GKH |
153 | if (fd.entrylength > sizeof(entry) || fd.entrylength < 0) { |
154 | err = -EIO; | |
155 | goto out; | |
156 | } | |
157 | ||
2753cc28 AS |
158 | hfs_bnode_read(fd.bnode, &entry, fd.entryoffset, |
159 | fd.entrylength); | |
1da177e4 | 160 | if (be16_to_cpu(entry.type) != HFSPLUS_FOLDER_THREAD) { |
634725a9 | 161 | printk(KERN_ERR "hfs: bad catalog folder thread\n"); |
1da177e4 LT |
162 | err = -EIO; |
163 | goto out; | |
164 | } | |
165 | if (fd.entrylength < HFSPLUS_MIN_THREAD_SZ) { | |
634725a9 | 166 | printk(KERN_ERR "hfs: truncated catalog thread\n"); |
1da177e4 LT |
167 | err = -EIO; |
168 | goto out; | |
169 | } | |
170 | if (filldir(dirent, "..", 2, 1, | |
171 | be32_to_cpu(entry.thread.parentID), DT_DIR)) | |
172 | goto out; | |
173 | filp->f_pos++; | |
174 | /* fall through */ | |
175 | default: | |
176 | if (filp->f_pos >= inode->i_size) | |
177 | goto out; | |
178 | err = hfs_brec_goto(&fd, filp->f_pos - 1); | |
179 | if (err) | |
180 | goto out; | |
181 | } | |
182 | ||
183 | for (;;) { | |
184 | if (be32_to_cpu(fd.key->cat.parent) != inode->i_ino) { | |
634725a9 | 185 | printk(KERN_ERR "hfs: walked past end of dir\n"); |
1da177e4 LT |
186 | err = -EIO; |
187 | goto out; | |
188 | } | |
6f24f892 GKH |
189 | |
190 | if (fd.entrylength > sizeof(entry) || fd.entrylength < 0) { | |
191 | err = -EIO; | |
192 | goto out; | |
193 | } | |
194 | ||
2753cc28 AS |
195 | hfs_bnode_read(fd.bnode, &entry, fd.entryoffset, |
196 | fd.entrylength); | |
1da177e4 LT |
197 | type = be16_to_cpu(entry.type); |
198 | len = HFSPLUS_MAX_STRLEN; | |
199 | err = hfsplus_uni2asc(sb, &fd.key->cat.name, strbuf, &len); | |
200 | if (err) | |
201 | goto out; | |
202 | if (type == HFSPLUS_FOLDER) { | |
2753cc28 AS |
203 | if (fd.entrylength < |
204 | sizeof(struct hfsplus_cat_folder)) { | |
634725a9 | 205 | printk(KERN_ERR "hfs: small dir entry\n"); |
1da177e4 LT |
206 | err = -EIO; |
207 | goto out; | |
208 | } | |
dd73a01a CH |
209 | if (HFSPLUS_SB(sb)->hidden_dir && |
210 | HFSPLUS_SB(sb)->hidden_dir->i_ino == | |
211 | be32_to_cpu(entry.folder.id)) | |
1da177e4 LT |
212 | goto next; |
213 | if (filldir(dirent, strbuf, len, filp->f_pos, | |
214 | be32_to_cpu(entry.folder.id), DT_DIR)) | |
215 | break; | |
216 | } else if (type == HFSPLUS_FILE) { | |
217 | if (fd.entrylength < sizeof(struct hfsplus_cat_file)) { | |
634725a9 | 218 | printk(KERN_ERR "hfs: small file entry\n"); |
1da177e4 LT |
219 | err = -EIO; |
220 | goto out; | |
221 | } | |
222 | if (filldir(dirent, strbuf, len, filp->f_pos, | |
223 | be32_to_cpu(entry.file.id), DT_REG)) | |
224 | break; | |
225 | } else { | |
634725a9 | 226 | printk(KERN_ERR "hfs: bad catalog entry type\n"); |
1da177e4 LT |
227 | err = -EIO; |
228 | goto out; | |
229 | } | |
20b7643d | 230 | next: |
1da177e4 LT |
231 | filp->f_pos++; |
232 | if (filp->f_pos >= inode->i_size) | |
233 | goto out; | |
234 | err = hfs_brec_goto(&fd, 1); | |
235 | if (err) | |
236 | goto out; | |
237 | } | |
238 | rd = filp->private_data; | |
239 | if (!rd) { | |
240 | rd = kmalloc(sizeof(struct hfsplus_readdir_data), GFP_KERNEL); | |
241 | if (!rd) { | |
242 | err = -ENOMEM; | |
243 | goto out; | |
244 | } | |
245 | filp->private_data = rd; | |
246 | rd->file = filp; | |
6af502de | 247 | list_add(&rd->list, &HFSPLUS_I(inode)->open_dir_list); |
1da177e4 LT |
248 | } |
249 | memcpy(&rd->key, fd.key, sizeof(struct hfsplus_cat_key)); | |
250 | out: | |
251 | hfs_find_exit(&fd); | |
252 | return err; | |
253 | } | |
254 | ||
255 | static int hfsplus_dir_release(struct inode *inode, struct file *file) | |
256 | { | |
257 | struct hfsplus_readdir_data *rd = file->private_data; | |
258 | if (rd) { | |
89755dca | 259 | mutex_lock(&inode->i_mutex); |
1da177e4 | 260 | list_del(&rd->list); |
89755dca | 261 | mutex_unlock(&inode->i_mutex); |
1da177e4 LT |
262 | kfree(rd); |
263 | } | |
264 | return 0; | |
265 | } | |
266 | ||
1da177e4 LT |
267 | static int hfsplus_link(struct dentry *src_dentry, struct inode *dst_dir, |
268 | struct dentry *dst_dentry) | |
269 | { | |
dd73a01a | 270 | struct hfsplus_sb_info *sbi = HFSPLUS_SB(dst_dir->i_sb); |
1da177e4 LT |
271 | struct inode *inode = src_dentry->d_inode; |
272 | struct inode *src_dir = src_dentry->d_parent->d_inode; | |
273 | struct qstr str; | |
274 | char name[32]; | |
275 | u32 cnid, id; | |
276 | int res; | |
277 | ||
278 | if (HFSPLUS_IS_RSRC(inode)) | |
279 | return -EPERM; | |
f6089ff8 CH |
280 | if (!S_ISREG(inode->i_mode)) |
281 | return -EPERM; | |
1da177e4 | 282 | |
7ac9fb9c | 283 | mutex_lock(&sbi->vh_mutex); |
1da177e4 LT |
284 | if (inode->i_ino == (u32)(unsigned long)src_dentry->d_fsdata) { |
285 | for (;;) { | |
286 | get_random_bytes(&id, sizeof(cnid)); | |
287 | id &= 0x3fffffff; | |
288 | str.name = name; | |
289 | str.len = sprintf(name, "iNode%d", id); | |
290 | res = hfsplus_rename_cat(inode->i_ino, | |
291 | src_dir, &src_dentry->d_name, | |
dd73a01a | 292 | sbi->hidden_dir, &str); |
1da177e4 LT |
293 | if (!res) |
294 | break; | |
295 | if (res != -EEXIST) | |
7ac9fb9c | 296 | goto out; |
1da177e4 | 297 | } |
f6089ff8 | 298 | HFSPLUS_I(inode)->linkid = id; |
dd73a01a | 299 | cnid = sbi->next_cnid++; |
1da177e4 | 300 | src_dentry->d_fsdata = (void *)(unsigned long)cnid; |
2753cc28 AS |
301 | res = hfsplus_create_cat(cnid, src_dir, |
302 | &src_dentry->d_name, inode); | |
1da177e4 LT |
303 | if (res) |
304 | /* panic? */ | |
7ac9fb9c | 305 | goto out; |
dd73a01a | 306 | sbi->file_count++; |
1da177e4 | 307 | } |
dd73a01a | 308 | cnid = sbi->next_cnid++; |
1da177e4 LT |
309 | res = hfsplus_create_cat(cnid, dst_dir, &dst_dentry->d_name, inode); |
310 | if (res) | |
7ac9fb9c | 311 | goto out; |
1da177e4 | 312 | |
d8c76e6f | 313 | inc_nlink(inode); |
1da177e4 | 314 | hfsplus_instantiate(dst_dentry, inode, cnid); |
7de9c6ee | 315 | ihold(inode); |
1da177e4 LT |
316 | inode->i_ctime = CURRENT_TIME_SEC; |
317 | mark_inode_dirty(inode); | |
dd73a01a CH |
318 | sbi->file_count++; |
319 | dst_dir->i_sb->s_dirt = 1; | |
7ac9fb9c CH |
320 | out: |
321 | mutex_unlock(&sbi->vh_mutex); | |
322 | return res; | |
1da177e4 LT |
323 | } |
324 | ||
325 | static int hfsplus_unlink(struct inode *dir, struct dentry *dentry) | |
326 | { | |
dd73a01a | 327 | struct hfsplus_sb_info *sbi = HFSPLUS_SB(dir->i_sb); |
1da177e4 LT |
328 | struct inode *inode = dentry->d_inode; |
329 | struct qstr str; | |
330 | char name[32]; | |
331 | u32 cnid; | |
332 | int res; | |
333 | ||
334 | if (HFSPLUS_IS_RSRC(inode)) | |
335 | return -EPERM; | |
336 | ||
7ac9fb9c | 337 | mutex_lock(&sbi->vh_mutex); |
1da177e4 LT |
338 | cnid = (u32)(unsigned long)dentry->d_fsdata; |
339 | if (inode->i_ino == cnid && | |
6af502de | 340 | atomic_read(&HFSPLUS_I(inode)->opencnt)) { |
1da177e4 LT |
341 | str.name = name; |
342 | str.len = sprintf(name, "temp%lu", inode->i_ino); | |
343 | res = hfsplus_rename_cat(inode->i_ino, | |
344 | dir, &dentry->d_name, | |
dd73a01a | 345 | sbi->hidden_dir, &str); |
85b8fe8c | 346 | if (!res) { |
1da177e4 | 347 | inode->i_flags |= S_DEAD; |
85b8fe8c CH |
348 | drop_nlink(inode); |
349 | } | |
7ac9fb9c | 350 | goto out; |
1da177e4 LT |
351 | } |
352 | res = hfsplus_delete_cat(cnid, dir, &dentry->d_name); | |
353 | if (res) | |
7ac9fb9c | 354 | goto out; |
1da177e4 | 355 | |
af8c85bb | 356 | if (inode->i_nlink > 0) |
9a53c3a7 | 357 | drop_nlink(inode); |
76b0c26a RZ |
358 | if (inode->i_ino == cnid) |
359 | clear_nlink(inode); | |
360 | if (!inode->i_nlink) { | |
361 | if (inode->i_ino != cnid) { | |
dd73a01a | 362 | sbi->file_count--; |
6af502de | 363 | if (!atomic_read(&HFSPLUS_I(inode)->opencnt)) { |
76b0c26a | 364 | res = hfsplus_delete_cat(inode->i_ino, |
dd73a01a | 365 | sbi->hidden_dir, |
76b0c26a RZ |
366 | NULL); |
367 | if (!res) | |
368 | hfsplus_delete_inode(inode); | |
369 | } else | |
370 | inode->i_flags |= S_DEAD; | |
1da177e4 | 371 | } else |
76b0c26a | 372 | hfsplus_delete_inode(inode); |
af8c85bb | 373 | } else |
dd73a01a | 374 | sbi->file_count--; |
1da177e4 LT |
375 | inode->i_ctime = CURRENT_TIME_SEC; |
376 | mark_inode_dirty(inode); | |
7ac9fb9c CH |
377 | out: |
378 | mutex_unlock(&sbi->vh_mutex); | |
1da177e4 LT |
379 | return res; |
380 | } | |
381 | ||
1da177e4 LT |
382 | static int hfsplus_rmdir(struct inode *dir, struct dentry *dentry) |
383 | { | |
7ac9fb9c CH |
384 | struct hfsplus_sb_info *sbi = HFSPLUS_SB(dir->i_sb); |
385 | struct inode *inode = dentry->d_inode; | |
1da177e4 LT |
386 | int res; |
387 | ||
1da177e4 LT |
388 | if (inode->i_size != 2) |
389 | return -ENOTEMPTY; | |
7ac9fb9c CH |
390 | |
391 | mutex_lock(&sbi->vh_mutex); | |
1da177e4 LT |
392 | res = hfsplus_delete_cat(inode->i_ino, dir, &dentry->d_name); |
393 | if (res) | |
7ac9fb9c | 394 | goto out; |
ce71ec36 | 395 | clear_nlink(inode); |
1da177e4 LT |
396 | inode->i_ctime = CURRENT_TIME_SEC; |
397 | hfsplus_delete_inode(inode); | |
398 | mark_inode_dirty(inode); | |
7ac9fb9c CH |
399 | out: |
400 | mutex_unlock(&sbi->vh_mutex); | |
401 | return res; | |
1da177e4 LT |
402 | } |
403 | ||
404 | static int hfsplus_symlink(struct inode *dir, struct dentry *dentry, | |
405 | const char *symname) | |
406 | { | |
7ac9fb9c | 407 | struct hfsplus_sb_info *sbi = HFSPLUS_SB(dir->i_sb); |
1da177e4 | 408 | struct inode *inode; |
7ac9fb9c | 409 | int res = -ENOSPC; |
1da177e4 | 410 | |
7ac9fb9c | 411 | mutex_lock(&sbi->vh_mutex); |
f17c89bf | 412 | inode = hfsplus_new_inode(dir->i_sb, S_IFLNK | S_IRWXUGO); |
1da177e4 | 413 | if (!inode) |
7ac9fb9c | 414 | goto out; |
1da177e4 LT |
415 | |
416 | res = page_symlink(inode, symname, strlen(symname) + 1); | |
f17c89bf CH |
417 | if (res) |
418 | goto out_err; | |
1da177e4 | 419 | |
1da177e4 | 420 | res = hfsplus_create_cat(inode->i_ino, dir, &dentry->d_name, inode); |
f17c89bf CH |
421 | if (res) |
422 | goto out_err; | |
1da177e4 | 423 | |
f17c89bf CH |
424 | hfsplus_instantiate(dentry, inode, inode->i_ino); |
425 | mark_inode_dirty(inode); | |
7ac9fb9c | 426 | goto out; |
1da177e4 | 427 | |
f17c89bf | 428 | out_err: |
6d6b77f1 | 429 | clear_nlink(inode); |
f17c89bf CH |
430 | hfsplus_delete_inode(inode); |
431 | iput(inode); | |
7ac9fb9c CH |
432 | out: |
433 | mutex_unlock(&sbi->vh_mutex); | |
1da177e4 LT |
434 | return res; |
435 | } | |
436 | ||
437 | static int hfsplus_mknod(struct inode *dir, struct dentry *dentry, | |
1a67aafb | 438 | umode_t mode, dev_t rdev) |
1da177e4 | 439 | { |
7ac9fb9c | 440 | struct hfsplus_sb_info *sbi = HFSPLUS_SB(dir->i_sb); |
1da177e4 | 441 | struct inode *inode; |
7ac9fb9c | 442 | int res = -ENOSPC; |
1da177e4 | 443 | |
7ac9fb9c | 444 | mutex_lock(&sbi->vh_mutex); |
30d3abbe | 445 | inode = hfsplus_new_inode(dir->i_sb, mode); |
1da177e4 | 446 | if (!inode) |
7ac9fb9c | 447 | goto out; |
1da177e4 | 448 | |
90e61690 CH |
449 | if (S_ISBLK(mode) || S_ISCHR(mode) || S_ISFIFO(mode) || S_ISSOCK(mode)) |
450 | init_special_inode(inode, mode, rdev); | |
451 | ||
1da177e4 LT |
452 | res = hfsplus_create_cat(inode->i_ino, dir, &dentry->d_name, inode); |
453 | if (res) { | |
6d6b77f1 | 454 | clear_nlink(inode); |
1da177e4 LT |
455 | hfsplus_delete_inode(inode); |
456 | iput(inode); | |
7ac9fb9c | 457 | goto out; |
1da177e4 | 458 | } |
30d3abbe | 459 | |
1da177e4 LT |
460 | hfsplus_instantiate(dentry, inode, inode->i_ino); |
461 | mark_inode_dirty(inode); | |
7ac9fb9c CH |
462 | out: |
463 | mutex_unlock(&sbi->vh_mutex); | |
464 | return res; | |
1da177e4 LT |
465 | } |
466 | ||
4acdaf27 | 467 | static int hfsplus_create(struct inode *dir, struct dentry *dentry, umode_t mode, |
ebfc3b49 | 468 | bool excl) |
30d3abbe CH |
469 | { |
470 | return hfsplus_mknod(dir, dentry, mode, 0); | |
471 | } | |
472 | ||
18bb1db3 | 473 | static int hfsplus_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) |
30d3abbe CH |
474 | { |
475 | return hfsplus_mknod(dir, dentry, mode | S_IFDIR, 0); | |
476 | } | |
477 | ||
1da177e4 LT |
478 | static int hfsplus_rename(struct inode *old_dir, struct dentry *old_dentry, |
479 | struct inode *new_dir, struct dentry *new_dentry) | |
480 | { | |
481 | int res; | |
482 | ||
483 | /* Unlink destination if it already exists */ | |
484 | if (new_dentry->d_inode) { | |
e3911785 | 485 | if (S_ISDIR(new_dentry->d_inode->i_mode)) |
40de9a7c | 486 | res = hfsplus_rmdir(new_dir, new_dentry); |
e3911785 | 487 | else |
40de9a7c | 488 | res = hfsplus_unlink(new_dir, new_dentry); |
1da177e4 LT |
489 | if (res) |
490 | return res; | |
491 | } | |
492 | ||
493 | res = hfsplus_rename_cat((u32)(unsigned long)old_dentry->d_fsdata, | |
494 | old_dir, &old_dentry->d_name, | |
495 | new_dir, &new_dentry->d_name); | |
496 | if (!res) | |
497 | new_dentry->d_fsdata = old_dentry->d_fsdata; | |
498 | return res; | |
499 | } | |
500 | ||
92e1d5be | 501 | const struct inode_operations hfsplus_dir_inode_operations = { |
1da177e4 LT |
502 | .lookup = hfsplus_lookup, |
503 | .create = hfsplus_create, | |
504 | .link = hfsplus_link, | |
505 | .unlink = hfsplus_unlink, | |
506 | .mkdir = hfsplus_mkdir, | |
507 | .rmdir = hfsplus_rmdir, | |
508 | .symlink = hfsplus_symlink, | |
509 | .mknod = hfsplus_mknod, | |
510 | .rename = hfsplus_rename, | |
511 | }; | |
512 | ||
4b6f5d20 | 513 | const struct file_operations hfsplus_dir_operations = { |
eb29d66d | 514 | .fsync = hfsplus_file_fsync, |
1da177e4 LT |
515 | .read = generic_read_dir, |
516 | .readdir = hfsplus_readdir, | |
7cc4bcc6 | 517 | .unlocked_ioctl = hfsplus_ioctl, |
1da177e4 LT |
518 | .llseek = generic_file_llseek, |
519 | .release = hfsplus_dir_release, | |
520 | }; |