Commit | Line | Data |
---|---|---|
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" | |
324ef39a | 18 | #include "xattr.h" |
1da177e4 LT |
19 | |
20 | static inline void hfsplus_instantiate(struct dentry *dentry, | |
21 | struct inode *inode, u32 cnid) | |
22 | { | |
23 | dentry->d_fsdata = (void *)(unsigned long)cnid; | |
24 | d_instantiate(dentry, inode); | |
25 | } | |
26 | ||
27 | /* Find the entry inside dir named dentry->d_name */ | |
28 | static struct dentry *hfsplus_lookup(struct inode *dir, struct dentry *dentry, | |
00cd8dd3 | 29 | unsigned int flags) |
1da177e4 LT |
30 | { |
31 | struct inode *inode = NULL; | |
32 | struct hfs_find_data fd; | |
33 | struct super_block *sb; | |
34 | hfsplus_cat_entry entry; | |
35 | int err; | |
36 | u32 cnid, linkid = 0; | |
37 | u16 type; | |
38 | ||
39 | sb = dir->i_sb; | |
d45bce8f | 40 | |
1da177e4 | 41 | dentry->d_fsdata = NULL; |
5bd9d99d AK |
42 | err = hfs_find_init(HFSPLUS_SB(sb)->cat_tree, &fd); |
43 | if (err) | |
44 | return ERR_PTR(err); | |
1da177e4 LT |
45 | hfsplus_cat_build_key(sb, fd.search_key, dir->i_ino, &dentry->d_name); |
46 | again: | |
47 | err = hfs_brec_read(&fd, &entry, sizeof(entry)); | |
48 | if (err) { | |
49 | if (err == -ENOENT) { | |
50 | hfs_find_exit(&fd); | |
51 | /* No such entry */ | |
52 | inode = NULL; | |
53 | goto out; | |
54 | } | |
55 | goto fail; | |
56 | } | |
57 | type = be16_to_cpu(entry.type); | |
58 | if (type == HFSPLUS_FOLDER) { | |
59 | if (fd.entrylength < sizeof(struct hfsplus_cat_folder)) { | |
60 | err = -EIO; | |
61 | goto fail; | |
62 | } | |
63 | cnid = be32_to_cpu(entry.folder.id); | |
64 | dentry->d_fsdata = (void *)(unsigned long)cnid; | |
65 | } else if (type == HFSPLUS_FILE) { | |
66 | if (fd.entrylength < sizeof(struct hfsplus_cat_file)) { | |
67 | err = -EIO; | |
68 | goto fail; | |
69 | } | |
70 | cnid = be32_to_cpu(entry.file.id); | |
2753cc28 AS |
71 | if (entry.file.user_info.fdType == |
72 | cpu_to_be32(HFSP_HARDLINK_TYPE) && | |
73 | entry.file.user_info.fdCreator == | |
74 | cpu_to_be32(HFSP_HFSPLUS_CREATOR) && | |
75 | (entry.file.create_date == | |
76 | HFSPLUS_I(HFSPLUS_SB(sb)->hidden_dir)-> | |
77 | create_date || | |
78 | entry.file.create_date == | |
79 | HFSPLUS_I(sb->s_root->d_inode)-> | |
80 | create_date) && | |
81 | HFSPLUS_SB(sb)->hidden_dir) { | |
1da177e4 LT |
82 | struct qstr str; |
83 | char name[32]; | |
84 | ||
85 | if (dentry->d_fsdata) { | |
af8c85bb RZ |
86 | /* |
87 | * We found a link pointing to another link, | |
88 | * so ignore it and treat it as regular file. | |
89 | */ | |
90 | cnid = (unsigned long)dentry->d_fsdata; | |
91 | linkid = 0; | |
92 | } else { | |
93 | dentry->d_fsdata = (void *)(unsigned long)cnid; | |
2753cc28 AS |
94 | linkid = |
95 | be32_to_cpu(entry.file.permissions.dev); | |
af8c85bb RZ |
96 | str.len = sprintf(name, "iNode%d", linkid); |
97 | str.name = name; | |
dd73a01a | 98 | hfsplus_cat_build_key(sb, fd.search_key, |
2753cc28 AS |
99 | HFSPLUS_SB(sb)->hidden_dir->i_ino, |
100 | &str); | |
af8c85bb | 101 | goto again; |
1da177e4 | 102 | } |
1da177e4 LT |
103 | } else if (!dentry->d_fsdata) |
104 | dentry->d_fsdata = (void *)(unsigned long)cnid; | |
105 | } else { | |
634725a9 | 106 | printk(KERN_ERR "hfs: invalid catalog entry type in lookup\n"); |
1da177e4 LT |
107 | err = -EIO; |
108 | goto fail; | |
109 | } | |
110 | hfs_find_exit(&fd); | |
63525391 DH |
111 | inode = hfsplus_iget(dir->i_sb, cnid); |
112 | if (IS_ERR(inode)) | |
113 | return ERR_CAST(inode); | |
1da177e4 | 114 | if (S_ISREG(inode->i_mode)) |
f6089ff8 | 115 | HFSPLUS_I(inode)->linkid = linkid; |
1da177e4 LT |
116 | out: |
117 | d_add(dentry, inode); | |
118 | return NULL; | |
119 | fail: | |
120 | hfs_find_exit(&fd); | |
121 | return ERR_PTR(err); | |
122 | } | |
123 | ||
124 | static int hfsplus_readdir(struct file *filp, void *dirent, filldir_t filldir) | |
125 | { | |
496ad9aa | 126 | struct inode *inode = file_inode(filp); |
1da177e4 LT |
127 | struct super_block *sb = inode->i_sb; |
128 | int len, err; | |
129 | char strbuf[HFSPLUS_MAX_STRLEN + 1]; | |
130 | hfsplus_cat_entry entry; | |
131 | struct hfs_find_data fd; | |
132 | struct hfsplus_readdir_data *rd; | |
133 | u16 type; | |
134 | ||
135 | if (filp->f_pos >= inode->i_size) | |
136 | return 0; | |
137 | ||
5bd9d99d AK |
138 | err = hfs_find_init(HFSPLUS_SB(sb)->cat_tree, &fd); |
139 | if (err) | |
140 | return err; | |
1da177e4 | 141 | hfsplus_cat_build_key(sb, fd.search_key, inode->i_ino, NULL); |
324ef39a | 142 | err = hfs_brec_find(&fd, hfs_find_rec_by_key); |
1da177e4 LT |
143 | if (err) |
144 | goto out; | |
145 | ||
146 | switch ((u32)filp->f_pos) { | |
147 | case 0: | |
148 | /* This is completely artificial... */ | |
149 | if (filldir(dirent, ".", 1, 0, inode->i_ino, DT_DIR)) | |
150 | goto out; | |
151 | filp->f_pos++; | |
152 | /* fall through */ | |
153 | case 1: | |
6f24f892 GKH |
154 | if (fd.entrylength > sizeof(entry) || fd.entrylength < 0) { |
155 | err = -EIO; | |
156 | goto out; | |
157 | } | |
158 | ||
2753cc28 AS |
159 | hfs_bnode_read(fd.bnode, &entry, fd.entryoffset, |
160 | fd.entrylength); | |
1da177e4 | 161 | if (be16_to_cpu(entry.type) != HFSPLUS_FOLDER_THREAD) { |
634725a9 | 162 | printk(KERN_ERR "hfs: bad catalog folder thread\n"); |
1da177e4 LT |
163 | err = -EIO; |
164 | goto out; | |
165 | } | |
166 | if (fd.entrylength < HFSPLUS_MIN_THREAD_SZ) { | |
634725a9 | 167 | printk(KERN_ERR "hfs: truncated catalog thread\n"); |
1da177e4 LT |
168 | err = -EIO; |
169 | goto out; | |
170 | } | |
171 | if (filldir(dirent, "..", 2, 1, | |
172 | be32_to_cpu(entry.thread.parentID), DT_DIR)) | |
173 | goto out; | |
174 | filp->f_pos++; | |
175 | /* fall through */ | |
176 | default: | |
177 | if (filp->f_pos >= inode->i_size) | |
178 | goto out; | |
179 | err = hfs_brec_goto(&fd, filp->f_pos - 1); | |
180 | if (err) | |
181 | goto out; | |
182 | } | |
183 | ||
184 | for (;;) { | |
185 | if (be32_to_cpu(fd.key->cat.parent) != inode->i_ino) { | |
634725a9 | 186 | printk(KERN_ERR "hfs: walked past end of dir\n"); |
1da177e4 LT |
187 | err = -EIO; |
188 | goto out; | |
189 | } | |
6f24f892 GKH |
190 | |
191 | if (fd.entrylength > sizeof(entry) || fd.entrylength < 0) { | |
192 | err = -EIO; | |
193 | goto out; | |
194 | } | |
195 | ||
2753cc28 AS |
196 | hfs_bnode_read(fd.bnode, &entry, fd.entryoffset, |
197 | fd.entrylength); | |
1da177e4 LT |
198 | type = be16_to_cpu(entry.type); |
199 | len = HFSPLUS_MAX_STRLEN; | |
200 | err = hfsplus_uni2asc(sb, &fd.key->cat.name, strbuf, &len); | |
201 | if (err) | |
202 | goto out; | |
203 | if (type == HFSPLUS_FOLDER) { | |
2753cc28 AS |
204 | if (fd.entrylength < |
205 | sizeof(struct hfsplus_cat_folder)) { | |
634725a9 | 206 | printk(KERN_ERR "hfs: small dir entry\n"); |
1da177e4 LT |
207 | err = -EIO; |
208 | goto out; | |
209 | } | |
dd73a01a CH |
210 | if (HFSPLUS_SB(sb)->hidden_dir && |
211 | HFSPLUS_SB(sb)->hidden_dir->i_ino == | |
212 | be32_to_cpu(entry.folder.id)) | |
1da177e4 LT |
213 | goto next; |
214 | if (filldir(dirent, strbuf, len, filp->f_pos, | |
215 | be32_to_cpu(entry.folder.id), DT_DIR)) | |
216 | break; | |
217 | } else if (type == HFSPLUS_FILE) { | |
218 | if (fd.entrylength < sizeof(struct hfsplus_cat_file)) { | |
634725a9 | 219 | printk(KERN_ERR "hfs: small file entry\n"); |
1da177e4 LT |
220 | err = -EIO; |
221 | goto out; | |
222 | } | |
223 | if (filldir(dirent, strbuf, len, filp->f_pos, | |
224 | be32_to_cpu(entry.file.id), DT_REG)) | |
225 | break; | |
226 | } else { | |
634725a9 | 227 | printk(KERN_ERR "hfs: bad catalog entry type\n"); |
1da177e4 LT |
228 | err = -EIO; |
229 | goto out; | |
230 | } | |
20b7643d | 231 | next: |
1da177e4 LT |
232 | filp->f_pos++; |
233 | if (filp->f_pos >= inode->i_size) | |
234 | goto out; | |
235 | err = hfs_brec_goto(&fd, 1); | |
236 | if (err) | |
237 | goto out; | |
238 | } | |
239 | rd = filp->private_data; | |
240 | if (!rd) { | |
241 | rd = kmalloc(sizeof(struct hfsplus_readdir_data), GFP_KERNEL); | |
242 | if (!rd) { | |
243 | err = -ENOMEM; | |
244 | goto out; | |
245 | } | |
246 | filp->private_data = rd; | |
247 | rd->file = filp; | |
6af502de | 248 | list_add(&rd->list, &HFSPLUS_I(inode)->open_dir_list); |
1da177e4 LT |
249 | } |
250 | memcpy(&rd->key, fd.key, sizeof(struct hfsplus_cat_key)); | |
251 | out: | |
252 | hfs_find_exit(&fd); | |
253 | return err; | |
254 | } | |
255 | ||
256 | static int hfsplus_dir_release(struct inode *inode, struct file *file) | |
257 | { | |
258 | struct hfsplus_readdir_data *rd = file->private_data; | |
259 | if (rd) { | |
89755dca | 260 | mutex_lock(&inode->i_mutex); |
1da177e4 | 261 | list_del(&rd->list); |
89755dca | 262 | mutex_unlock(&inode->i_mutex); |
1da177e4 LT |
263 | kfree(rd); |
264 | } | |
265 | return 0; | |
266 | } | |
267 | ||
1da177e4 LT |
268 | static int hfsplus_link(struct dentry *src_dentry, struct inode *dst_dir, |
269 | struct dentry *dst_dentry) | |
270 | { | |
dd73a01a | 271 | struct hfsplus_sb_info *sbi = HFSPLUS_SB(dst_dir->i_sb); |
1da177e4 LT |
272 | struct inode *inode = src_dentry->d_inode; |
273 | struct inode *src_dir = src_dentry->d_parent->d_inode; | |
274 | struct qstr str; | |
275 | char name[32]; | |
276 | u32 cnid, id; | |
277 | int res; | |
278 | ||
279 | if (HFSPLUS_IS_RSRC(inode)) | |
280 | return -EPERM; | |
f6089ff8 CH |
281 | if (!S_ISREG(inode->i_mode)) |
282 | return -EPERM; | |
1da177e4 | 283 | |
7ac9fb9c | 284 | mutex_lock(&sbi->vh_mutex); |
1da177e4 LT |
285 | if (inode->i_ino == (u32)(unsigned long)src_dentry->d_fsdata) { |
286 | for (;;) { | |
287 | get_random_bytes(&id, sizeof(cnid)); | |
288 | id &= 0x3fffffff; | |
289 | str.name = name; | |
290 | str.len = sprintf(name, "iNode%d", id); | |
291 | res = hfsplus_rename_cat(inode->i_ino, | |
292 | src_dir, &src_dentry->d_name, | |
dd73a01a | 293 | sbi->hidden_dir, &str); |
1da177e4 LT |
294 | if (!res) |
295 | break; | |
296 | if (res != -EEXIST) | |
7ac9fb9c | 297 | goto out; |
1da177e4 | 298 | } |
f6089ff8 | 299 | HFSPLUS_I(inode)->linkid = id; |
dd73a01a | 300 | cnid = sbi->next_cnid++; |
1da177e4 | 301 | src_dentry->d_fsdata = (void *)(unsigned long)cnid; |
2753cc28 AS |
302 | res = hfsplus_create_cat(cnid, src_dir, |
303 | &src_dentry->d_name, inode); | |
1da177e4 LT |
304 | if (res) |
305 | /* panic? */ | |
7ac9fb9c | 306 | goto out; |
dd73a01a | 307 | sbi->file_count++; |
1da177e4 | 308 | } |
dd73a01a | 309 | cnid = sbi->next_cnid++; |
1da177e4 LT |
310 | res = hfsplus_create_cat(cnid, dst_dir, &dst_dentry->d_name, inode); |
311 | if (res) | |
7ac9fb9c | 312 | goto out; |
1da177e4 | 313 | |
d8c76e6f | 314 | inc_nlink(inode); |
1da177e4 | 315 | hfsplus_instantiate(dst_dentry, inode, cnid); |
7de9c6ee | 316 | ihold(inode); |
1da177e4 LT |
317 | inode->i_ctime = CURRENT_TIME_SEC; |
318 | mark_inode_dirty(inode); | |
dd73a01a | 319 | sbi->file_count++; |
9e6c5829 | 320 | hfsplus_mark_mdb_dirty(dst_dir->i_sb); |
7ac9fb9c CH |
321 | out: |
322 | mutex_unlock(&sbi->vh_mutex); | |
323 | return res; | |
1da177e4 LT |
324 | } |
325 | ||
326 | static int hfsplus_unlink(struct inode *dir, struct dentry *dentry) | |
327 | { | |
dd73a01a | 328 | struct hfsplus_sb_info *sbi = HFSPLUS_SB(dir->i_sb); |
1da177e4 LT |
329 | struct inode *inode = dentry->d_inode; |
330 | struct qstr str; | |
331 | char name[32]; | |
332 | u32 cnid; | |
333 | int res; | |
334 | ||
335 | if (HFSPLUS_IS_RSRC(inode)) | |
336 | return -EPERM; | |
337 | ||
7ac9fb9c | 338 | mutex_lock(&sbi->vh_mutex); |
1da177e4 LT |
339 | cnid = (u32)(unsigned long)dentry->d_fsdata; |
340 | if (inode->i_ino == cnid && | |
6af502de | 341 | atomic_read(&HFSPLUS_I(inode)->opencnt)) { |
1da177e4 LT |
342 | str.name = name; |
343 | str.len = sprintf(name, "temp%lu", inode->i_ino); | |
344 | res = hfsplus_rename_cat(inode->i_ino, | |
345 | dir, &dentry->d_name, | |
dd73a01a | 346 | sbi->hidden_dir, &str); |
85b8fe8c | 347 | if (!res) { |
1da177e4 | 348 | inode->i_flags |= S_DEAD; |
85b8fe8c CH |
349 | drop_nlink(inode); |
350 | } | |
7ac9fb9c | 351 | goto out; |
1da177e4 LT |
352 | } |
353 | res = hfsplus_delete_cat(cnid, dir, &dentry->d_name); | |
354 | if (res) | |
7ac9fb9c | 355 | goto out; |
1da177e4 | 356 | |
af8c85bb | 357 | if (inode->i_nlink > 0) |
9a53c3a7 | 358 | drop_nlink(inode); |
76b0c26a RZ |
359 | if (inode->i_ino == cnid) |
360 | clear_nlink(inode); | |
361 | if (!inode->i_nlink) { | |
362 | if (inode->i_ino != cnid) { | |
dd73a01a | 363 | sbi->file_count--; |
6af502de | 364 | if (!atomic_read(&HFSPLUS_I(inode)->opencnt)) { |
76b0c26a | 365 | res = hfsplus_delete_cat(inode->i_ino, |
dd73a01a | 366 | sbi->hidden_dir, |
76b0c26a RZ |
367 | NULL); |
368 | if (!res) | |
369 | hfsplus_delete_inode(inode); | |
370 | } else | |
371 | inode->i_flags |= S_DEAD; | |
1da177e4 | 372 | } else |
76b0c26a | 373 | hfsplus_delete_inode(inode); |
af8c85bb | 374 | } else |
dd73a01a | 375 | sbi->file_count--; |
1da177e4 LT |
376 | inode->i_ctime = CURRENT_TIME_SEC; |
377 | mark_inode_dirty(inode); | |
7ac9fb9c CH |
378 | out: |
379 | mutex_unlock(&sbi->vh_mutex); | |
1da177e4 LT |
380 | return res; |
381 | } | |
382 | ||
1da177e4 LT |
383 | static int hfsplus_rmdir(struct inode *dir, struct dentry *dentry) |
384 | { | |
7ac9fb9c CH |
385 | struct hfsplus_sb_info *sbi = HFSPLUS_SB(dir->i_sb); |
386 | struct inode *inode = dentry->d_inode; | |
1da177e4 LT |
387 | int res; |
388 | ||
1da177e4 LT |
389 | if (inode->i_size != 2) |
390 | return -ENOTEMPTY; | |
7ac9fb9c CH |
391 | |
392 | mutex_lock(&sbi->vh_mutex); | |
1da177e4 LT |
393 | res = hfsplus_delete_cat(inode->i_ino, dir, &dentry->d_name); |
394 | if (res) | |
7ac9fb9c | 395 | goto out; |
ce71ec36 | 396 | clear_nlink(inode); |
1da177e4 LT |
397 | inode->i_ctime = CURRENT_TIME_SEC; |
398 | hfsplus_delete_inode(inode); | |
399 | mark_inode_dirty(inode); | |
7ac9fb9c CH |
400 | out: |
401 | mutex_unlock(&sbi->vh_mutex); | |
402 | return res; | |
1da177e4 LT |
403 | } |
404 | ||
405 | static int hfsplus_symlink(struct inode *dir, struct dentry *dentry, | |
406 | const char *symname) | |
407 | { | |
7ac9fb9c | 408 | struct hfsplus_sb_info *sbi = HFSPLUS_SB(dir->i_sb); |
1da177e4 | 409 | struct inode *inode; |
7ac9fb9c | 410 | int res = -ENOSPC; |
1da177e4 | 411 | |
7ac9fb9c | 412 | mutex_lock(&sbi->vh_mutex); |
f17c89bf | 413 | inode = hfsplus_new_inode(dir->i_sb, S_IFLNK | S_IRWXUGO); |
1da177e4 | 414 | if (!inode) |
7ac9fb9c | 415 | goto out; |
1da177e4 LT |
416 | |
417 | res = page_symlink(inode, symname, strlen(symname) + 1); | |
f17c89bf CH |
418 | if (res) |
419 | goto out_err; | |
1da177e4 | 420 | |
1da177e4 | 421 | res = hfsplus_create_cat(inode->i_ino, dir, &dentry->d_name, inode); |
f17c89bf CH |
422 | if (res) |
423 | goto out_err; | |
1da177e4 | 424 | |
324ef39a VD |
425 | res = hfsplus_init_inode_security(inode, dir, &dentry->d_name); |
426 | if (res == -EOPNOTSUPP) | |
427 | res = 0; /* Operation is not supported. */ | |
428 | else if (res) { | |
429 | /* Try to delete anyway without error analysis. */ | |
430 | hfsplus_delete_cat(inode->i_ino, dir, &dentry->d_name); | |
431 | goto out_err; | |
432 | } | |
433 | ||
f17c89bf CH |
434 | hfsplus_instantiate(dentry, inode, inode->i_ino); |
435 | mark_inode_dirty(inode); | |
7ac9fb9c | 436 | goto out; |
1da177e4 | 437 | |
f17c89bf | 438 | out_err: |
6d6b77f1 | 439 | clear_nlink(inode); |
f17c89bf CH |
440 | hfsplus_delete_inode(inode); |
441 | iput(inode); | |
7ac9fb9c CH |
442 | out: |
443 | mutex_unlock(&sbi->vh_mutex); | |
1da177e4 LT |
444 | return res; |
445 | } | |
446 | ||
447 | static int hfsplus_mknod(struct inode *dir, struct dentry *dentry, | |
1a67aafb | 448 | umode_t mode, dev_t rdev) |
1da177e4 | 449 | { |
7ac9fb9c | 450 | struct hfsplus_sb_info *sbi = HFSPLUS_SB(dir->i_sb); |
1da177e4 | 451 | struct inode *inode; |
7ac9fb9c | 452 | int res = -ENOSPC; |
1da177e4 | 453 | |
7ac9fb9c | 454 | mutex_lock(&sbi->vh_mutex); |
30d3abbe | 455 | inode = hfsplus_new_inode(dir->i_sb, mode); |
1da177e4 | 456 | if (!inode) |
7ac9fb9c | 457 | goto out; |
1da177e4 | 458 | |
90e61690 CH |
459 | if (S_ISBLK(mode) || S_ISCHR(mode) || S_ISFIFO(mode) || S_ISSOCK(mode)) |
460 | init_special_inode(inode, mode, rdev); | |
461 | ||
1da177e4 | 462 | res = hfsplus_create_cat(inode->i_ino, dir, &dentry->d_name, inode); |
324ef39a VD |
463 | if (res) |
464 | goto failed_mknod; | |
465 | ||
466 | res = hfsplus_init_inode_security(inode, dir, &dentry->d_name); | |
467 | if (res == -EOPNOTSUPP) | |
468 | res = 0; /* Operation is not supported. */ | |
469 | else if (res) { | |
470 | /* Try to delete anyway without error analysis. */ | |
471 | hfsplus_delete_cat(inode->i_ino, dir, &dentry->d_name); | |
472 | goto failed_mknod; | |
1da177e4 | 473 | } |
30d3abbe | 474 | |
1da177e4 LT |
475 | hfsplus_instantiate(dentry, inode, inode->i_ino); |
476 | mark_inode_dirty(inode); | |
324ef39a VD |
477 | goto out; |
478 | ||
479 | failed_mknod: | |
480 | clear_nlink(inode); | |
481 | hfsplus_delete_inode(inode); | |
482 | iput(inode); | |
7ac9fb9c CH |
483 | out: |
484 | mutex_unlock(&sbi->vh_mutex); | |
485 | return res; | |
1da177e4 LT |
486 | } |
487 | ||
4acdaf27 | 488 | static int hfsplus_create(struct inode *dir, struct dentry *dentry, umode_t mode, |
ebfc3b49 | 489 | bool excl) |
30d3abbe CH |
490 | { |
491 | return hfsplus_mknod(dir, dentry, mode, 0); | |
492 | } | |
493 | ||
18bb1db3 | 494 | static int hfsplus_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) |
30d3abbe CH |
495 | { |
496 | return hfsplus_mknod(dir, dentry, mode | S_IFDIR, 0); | |
497 | } | |
498 | ||
1da177e4 LT |
499 | static int hfsplus_rename(struct inode *old_dir, struct dentry *old_dentry, |
500 | struct inode *new_dir, struct dentry *new_dentry) | |
501 | { | |
502 | int res; | |
503 | ||
504 | /* Unlink destination if it already exists */ | |
505 | if (new_dentry->d_inode) { | |
e3911785 | 506 | if (S_ISDIR(new_dentry->d_inode->i_mode)) |
40de9a7c | 507 | res = hfsplus_rmdir(new_dir, new_dentry); |
e3911785 | 508 | else |
40de9a7c | 509 | res = hfsplus_unlink(new_dir, new_dentry); |
1da177e4 LT |
510 | if (res) |
511 | return res; | |
512 | } | |
513 | ||
514 | res = hfsplus_rename_cat((u32)(unsigned long)old_dentry->d_fsdata, | |
515 | old_dir, &old_dentry->d_name, | |
516 | new_dir, &new_dentry->d_name); | |
517 | if (!res) | |
518 | new_dentry->d_fsdata = old_dentry->d_fsdata; | |
519 | return res; | |
520 | } | |
521 | ||
92e1d5be | 522 | const struct inode_operations hfsplus_dir_inode_operations = { |
324ef39a VD |
523 | .lookup = hfsplus_lookup, |
524 | .create = hfsplus_create, | |
525 | .link = hfsplus_link, | |
526 | .unlink = hfsplus_unlink, | |
527 | .mkdir = hfsplus_mkdir, | |
528 | .rmdir = hfsplus_rmdir, | |
529 | .symlink = hfsplus_symlink, | |
530 | .mknod = hfsplus_mknod, | |
531 | .rename = hfsplus_rename, | |
532 | .setxattr = generic_setxattr, | |
533 | .getxattr = generic_getxattr, | |
534 | .listxattr = hfsplus_listxattr, | |
535 | .removexattr = hfsplus_removexattr, | |
1da177e4 LT |
536 | }; |
537 | ||
4b6f5d20 | 538 | const struct file_operations hfsplus_dir_operations = { |
eb29d66d | 539 | .fsync = hfsplus_file_fsync, |
1da177e4 LT |
540 | .read = generic_read_dir, |
541 | .readdir = hfsplus_readdir, | |
7cc4bcc6 | 542 | .unlocked_ioctl = hfsplus_ioctl, |
1da177e4 LT |
543 | .llseek = generic_file_llseek, |
544 | .release = hfsplus_dir_release, | |
545 | }; |