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> | |
017f8da4 | 15 | #include <linux/nls.h> |
1da177e4 LT |
16 | |
17 | #include "hfsplus_fs.h" | |
18 | #include "hfsplus_raw.h" | |
324ef39a | 19 | #include "xattr.h" |
b4c1107c | 20 | #include "acl.h" |
1da177e4 LT |
21 | |
22 | static inline void hfsplus_instantiate(struct dentry *dentry, | |
23 | struct inode *inode, u32 cnid) | |
24 | { | |
25 | dentry->d_fsdata = (void *)(unsigned long)cnid; | |
26 | d_instantiate(dentry, inode); | |
27 | } | |
28 | ||
29 | /* Find the entry inside dir named dentry->d_name */ | |
30 | static struct dentry *hfsplus_lookup(struct inode *dir, struct dentry *dentry, | |
00cd8dd3 | 31 | unsigned int flags) |
1da177e4 LT |
32 | { |
33 | struct inode *inode = NULL; | |
34 | struct hfs_find_data fd; | |
35 | struct super_block *sb; | |
36 | hfsplus_cat_entry entry; | |
37 | int err; | |
38 | u32 cnid, linkid = 0; | |
39 | u16 type; | |
40 | ||
41 | sb = dir->i_sb; | |
d45bce8f | 42 | |
1da177e4 | 43 | dentry->d_fsdata = NULL; |
5bd9d99d AK |
44 | err = hfs_find_init(HFSPLUS_SB(sb)->cat_tree, &fd); |
45 | if (err) | |
46 | return ERR_PTR(err); | |
1da177e4 LT |
47 | hfsplus_cat_build_key(sb, fd.search_key, dir->i_ino, &dentry->d_name); |
48 | again: | |
49 | err = hfs_brec_read(&fd, &entry, sizeof(entry)); | |
50 | if (err) { | |
51 | if (err == -ENOENT) { | |
52 | hfs_find_exit(&fd); | |
53 | /* No such entry */ | |
54 | inode = NULL; | |
55 | goto out; | |
56 | } | |
57 | goto fail; | |
58 | } | |
59 | type = be16_to_cpu(entry.type); | |
60 | if (type == HFSPLUS_FOLDER) { | |
61 | if (fd.entrylength < sizeof(struct hfsplus_cat_folder)) { | |
62 | err = -EIO; | |
63 | goto fail; | |
64 | } | |
65 | cnid = be32_to_cpu(entry.folder.id); | |
66 | dentry->d_fsdata = (void *)(unsigned long)cnid; | |
67 | } else if (type == HFSPLUS_FILE) { | |
68 | if (fd.entrylength < sizeof(struct hfsplus_cat_file)) { | |
69 | err = -EIO; | |
70 | goto fail; | |
71 | } | |
72 | cnid = be32_to_cpu(entry.file.id); | |
2753cc28 AS |
73 | if (entry.file.user_info.fdType == |
74 | cpu_to_be32(HFSP_HARDLINK_TYPE) && | |
75 | entry.file.user_info.fdCreator == | |
76 | cpu_to_be32(HFSP_HFSPLUS_CREATOR) && | |
77 | (entry.file.create_date == | |
78 | HFSPLUS_I(HFSPLUS_SB(sb)->hidden_dir)-> | |
79 | create_date || | |
80 | entry.file.create_date == | |
81 | HFSPLUS_I(sb->s_root->d_inode)-> | |
82 | create_date) && | |
83 | HFSPLUS_SB(sb)->hidden_dir) { | |
1da177e4 LT |
84 | struct qstr str; |
85 | char name[32]; | |
86 | ||
87 | if (dentry->d_fsdata) { | |
af8c85bb RZ |
88 | /* |
89 | * We found a link pointing to another link, | |
90 | * so ignore it and treat it as regular file. | |
91 | */ | |
92 | cnid = (unsigned long)dentry->d_fsdata; | |
93 | linkid = 0; | |
94 | } else { | |
95 | dentry->d_fsdata = (void *)(unsigned long)cnid; | |
2753cc28 AS |
96 | linkid = |
97 | be32_to_cpu(entry.file.permissions.dev); | |
af8c85bb RZ |
98 | str.len = sprintf(name, "iNode%d", linkid); |
99 | str.name = name; | |
dd73a01a | 100 | hfsplus_cat_build_key(sb, fd.search_key, |
2753cc28 AS |
101 | HFSPLUS_SB(sb)->hidden_dir->i_ino, |
102 | &str); | |
af8c85bb | 103 | goto again; |
1da177e4 | 104 | } |
1da177e4 LT |
105 | } else if (!dentry->d_fsdata) |
106 | dentry->d_fsdata = (void *)(unsigned long)cnid; | |
107 | } else { | |
d6142673 | 108 | pr_err("invalid catalog entry type in lookup\n"); |
1da177e4 LT |
109 | err = -EIO; |
110 | goto fail; | |
111 | } | |
112 | hfs_find_exit(&fd); | |
63525391 DH |
113 | inode = hfsplus_iget(dir->i_sb, cnid); |
114 | if (IS_ERR(inode)) | |
115 | return ERR_CAST(inode); | |
1da177e4 | 116 | if (S_ISREG(inode->i_mode)) |
f6089ff8 | 117 | HFSPLUS_I(inode)->linkid = linkid; |
1da177e4 LT |
118 | out: |
119 | d_add(dentry, inode); | |
120 | return NULL; | |
121 | fail: | |
122 | hfs_find_exit(&fd); | |
123 | return ERR_PTR(err); | |
124 | } | |
125 | ||
e72514e7 | 126 | static int hfsplus_readdir(struct file *file, struct dir_context *ctx) |
1da177e4 | 127 | { |
e72514e7 | 128 | struct inode *inode = file_inode(file); |
1da177e4 LT |
129 | struct super_block *sb = inode->i_sb; |
130 | int len, err; | |
017f8da4 | 131 | char *strbuf; |
1da177e4 LT |
132 | hfsplus_cat_entry entry; |
133 | struct hfs_find_data fd; | |
134 | struct hfsplus_readdir_data *rd; | |
135 | u16 type; | |
136 | ||
e72514e7 | 137 | if (file->f_pos >= inode->i_size) |
1da177e4 LT |
138 | return 0; |
139 | ||
5bd9d99d AK |
140 | err = hfs_find_init(HFSPLUS_SB(sb)->cat_tree, &fd); |
141 | if (err) | |
142 | return err; | |
017f8da4 HTL |
143 | strbuf = kmalloc(NLS_MAX_CHARSET_SIZE * HFSPLUS_MAX_STRLEN + 1, GFP_KERNEL); |
144 | if (!strbuf) { | |
145 | err = -ENOMEM; | |
146 | goto out; | |
147 | } | |
1da177e4 | 148 | hfsplus_cat_build_key(sb, fd.search_key, inode->i_ino, NULL); |
324ef39a | 149 | err = hfs_brec_find(&fd, hfs_find_rec_by_key); |
1da177e4 LT |
150 | if (err) |
151 | goto out; | |
152 | ||
e72514e7 | 153 | if (ctx->pos == 0) { |
1da177e4 | 154 | /* This is completely artificial... */ |
e72514e7 | 155 | if (!dir_emit_dot(file, ctx)) |
1da177e4 | 156 | goto out; |
e72514e7 AV |
157 | ctx->pos = 1; |
158 | } | |
159 | if (ctx->pos == 1) { | |
6f24f892 GKH |
160 | if (fd.entrylength > sizeof(entry) || fd.entrylength < 0) { |
161 | err = -EIO; | |
162 | goto out; | |
163 | } | |
164 | ||
2753cc28 AS |
165 | hfs_bnode_read(fd.bnode, &entry, fd.entryoffset, |
166 | fd.entrylength); | |
1da177e4 | 167 | if (be16_to_cpu(entry.type) != HFSPLUS_FOLDER_THREAD) { |
d6142673 | 168 | pr_err("bad catalog folder thread\n"); |
1da177e4 LT |
169 | err = -EIO; |
170 | goto out; | |
171 | } | |
172 | if (fd.entrylength < HFSPLUS_MIN_THREAD_SZ) { | |
d6142673 | 173 | pr_err("truncated catalog thread\n"); |
1da177e4 LT |
174 | err = -EIO; |
175 | goto out; | |
176 | } | |
e72514e7 | 177 | if (!dir_emit(ctx, "..", 2, |
1da177e4 LT |
178 | be32_to_cpu(entry.thread.parentID), DT_DIR)) |
179 | goto out; | |
e72514e7 | 180 | ctx->pos = 2; |
1da177e4 | 181 | } |
e72514e7 AV |
182 | if (ctx->pos >= inode->i_size) |
183 | goto out; | |
184 | err = hfs_brec_goto(&fd, ctx->pos - 1); | |
185 | if (err) | |
186 | goto out; | |
1da177e4 LT |
187 | for (;;) { |
188 | if (be32_to_cpu(fd.key->cat.parent) != inode->i_ino) { | |
d6142673 | 189 | pr_err("walked past end of dir\n"); |
1da177e4 LT |
190 | err = -EIO; |
191 | goto out; | |
192 | } | |
6f24f892 GKH |
193 | |
194 | if (fd.entrylength > sizeof(entry) || fd.entrylength < 0) { | |
195 | err = -EIO; | |
196 | goto out; | |
197 | } | |
198 | ||
2753cc28 AS |
199 | hfs_bnode_read(fd.bnode, &entry, fd.entryoffset, |
200 | fd.entrylength); | |
1da177e4 | 201 | type = be16_to_cpu(entry.type); |
017f8da4 | 202 | len = NLS_MAX_CHARSET_SIZE * HFSPLUS_MAX_STRLEN; |
1da177e4 LT |
203 | err = hfsplus_uni2asc(sb, &fd.key->cat.name, strbuf, &len); |
204 | if (err) | |
205 | goto out; | |
206 | if (type == HFSPLUS_FOLDER) { | |
2753cc28 AS |
207 | if (fd.entrylength < |
208 | sizeof(struct hfsplus_cat_folder)) { | |
d6142673 | 209 | pr_err("small dir entry\n"); |
1da177e4 LT |
210 | err = -EIO; |
211 | goto out; | |
212 | } | |
dd73a01a CH |
213 | if (HFSPLUS_SB(sb)->hidden_dir && |
214 | HFSPLUS_SB(sb)->hidden_dir->i_ino == | |
215 | be32_to_cpu(entry.folder.id)) | |
1da177e4 | 216 | goto next; |
e72514e7 | 217 | if (!dir_emit(ctx, strbuf, len, |
1da177e4 LT |
218 | be32_to_cpu(entry.folder.id), DT_DIR)) |
219 | break; | |
220 | } else if (type == HFSPLUS_FILE) { | |
221 | if (fd.entrylength < sizeof(struct hfsplus_cat_file)) { | |
d6142673 | 222 | pr_err("small file entry\n"); |
1da177e4 LT |
223 | err = -EIO; |
224 | goto out; | |
225 | } | |
e72514e7 | 226 | if (!dir_emit(ctx, strbuf, len, |
1da177e4 LT |
227 | be32_to_cpu(entry.file.id), DT_REG)) |
228 | break; | |
229 | } else { | |
d6142673 | 230 | pr_err("bad catalog entry type\n"); |
1da177e4 LT |
231 | err = -EIO; |
232 | goto out; | |
233 | } | |
20b7643d | 234 | next: |
e72514e7 AV |
235 | ctx->pos++; |
236 | if (ctx->pos >= inode->i_size) | |
1da177e4 LT |
237 | goto out; |
238 | err = hfs_brec_goto(&fd, 1); | |
239 | if (err) | |
240 | goto out; | |
241 | } | |
e72514e7 | 242 | rd = file->private_data; |
1da177e4 LT |
243 | if (!rd) { |
244 | rd = kmalloc(sizeof(struct hfsplus_readdir_data), GFP_KERNEL); | |
245 | if (!rd) { | |
246 | err = -ENOMEM; | |
247 | goto out; | |
248 | } | |
e72514e7 AV |
249 | file->private_data = rd; |
250 | rd->file = file; | |
6af502de | 251 | list_add(&rd->list, &HFSPLUS_I(inode)->open_dir_list); |
1da177e4 LT |
252 | } |
253 | memcpy(&rd->key, fd.key, sizeof(struct hfsplus_cat_key)); | |
254 | out: | |
017f8da4 | 255 | kfree(strbuf); |
1da177e4 LT |
256 | hfs_find_exit(&fd); |
257 | return err; | |
258 | } | |
259 | ||
260 | static int hfsplus_dir_release(struct inode *inode, struct file *file) | |
261 | { | |
262 | struct hfsplus_readdir_data *rd = file->private_data; | |
263 | if (rd) { | |
89755dca | 264 | mutex_lock(&inode->i_mutex); |
1da177e4 | 265 | list_del(&rd->list); |
89755dca | 266 | mutex_unlock(&inode->i_mutex); |
1da177e4 LT |
267 | kfree(rd); |
268 | } | |
269 | return 0; | |
270 | } | |
271 | ||
1da177e4 LT |
272 | static int hfsplus_link(struct dentry *src_dentry, struct inode *dst_dir, |
273 | struct dentry *dst_dentry) | |
274 | { | |
dd73a01a | 275 | struct hfsplus_sb_info *sbi = HFSPLUS_SB(dst_dir->i_sb); |
1da177e4 LT |
276 | struct inode *inode = src_dentry->d_inode; |
277 | struct inode *src_dir = src_dentry->d_parent->d_inode; | |
278 | struct qstr str; | |
279 | char name[32]; | |
280 | u32 cnid, id; | |
281 | int res; | |
282 | ||
283 | if (HFSPLUS_IS_RSRC(inode)) | |
284 | return -EPERM; | |
f6089ff8 CH |
285 | if (!S_ISREG(inode->i_mode)) |
286 | return -EPERM; | |
1da177e4 | 287 | |
7ac9fb9c | 288 | mutex_lock(&sbi->vh_mutex); |
1da177e4 LT |
289 | if (inode->i_ino == (u32)(unsigned long)src_dentry->d_fsdata) { |
290 | for (;;) { | |
291 | get_random_bytes(&id, sizeof(cnid)); | |
292 | id &= 0x3fffffff; | |
293 | str.name = name; | |
294 | str.len = sprintf(name, "iNode%d", id); | |
295 | res = hfsplus_rename_cat(inode->i_ino, | |
296 | src_dir, &src_dentry->d_name, | |
dd73a01a | 297 | sbi->hidden_dir, &str); |
1da177e4 LT |
298 | if (!res) |
299 | break; | |
300 | if (res != -EEXIST) | |
7ac9fb9c | 301 | goto out; |
1da177e4 | 302 | } |
f6089ff8 | 303 | HFSPLUS_I(inode)->linkid = id; |
dd73a01a | 304 | cnid = sbi->next_cnid++; |
1da177e4 | 305 | src_dentry->d_fsdata = (void *)(unsigned long)cnid; |
2753cc28 AS |
306 | res = hfsplus_create_cat(cnid, src_dir, |
307 | &src_dentry->d_name, inode); | |
1da177e4 LT |
308 | if (res) |
309 | /* panic? */ | |
7ac9fb9c | 310 | goto out; |
dd73a01a | 311 | sbi->file_count++; |
1da177e4 | 312 | } |
dd73a01a | 313 | cnid = sbi->next_cnid++; |
1da177e4 LT |
314 | res = hfsplus_create_cat(cnid, dst_dir, &dst_dentry->d_name, inode); |
315 | if (res) | |
7ac9fb9c | 316 | goto out; |
1da177e4 | 317 | |
d8c76e6f | 318 | inc_nlink(inode); |
1da177e4 | 319 | hfsplus_instantiate(dst_dentry, inode, cnid); |
7de9c6ee | 320 | ihold(inode); |
1da177e4 LT |
321 | inode->i_ctime = CURRENT_TIME_SEC; |
322 | mark_inode_dirty(inode); | |
dd73a01a | 323 | sbi->file_count++; |
9e6c5829 | 324 | hfsplus_mark_mdb_dirty(dst_dir->i_sb); |
7ac9fb9c CH |
325 | out: |
326 | mutex_unlock(&sbi->vh_mutex); | |
327 | return res; | |
1da177e4 LT |
328 | } |
329 | ||
330 | static int hfsplus_unlink(struct inode *dir, struct dentry *dentry) | |
331 | { | |
dd73a01a | 332 | struct hfsplus_sb_info *sbi = HFSPLUS_SB(dir->i_sb); |
1da177e4 LT |
333 | struct inode *inode = dentry->d_inode; |
334 | struct qstr str; | |
335 | char name[32]; | |
336 | u32 cnid; | |
337 | int res; | |
338 | ||
339 | if (HFSPLUS_IS_RSRC(inode)) | |
340 | return -EPERM; | |
341 | ||
7ac9fb9c | 342 | mutex_lock(&sbi->vh_mutex); |
1da177e4 LT |
343 | cnid = (u32)(unsigned long)dentry->d_fsdata; |
344 | if (inode->i_ino == cnid && | |
6af502de | 345 | atomic_read(&HFSPLUS_I(inode)->opencnt)) { |
1da177e4 LT |
346 | str.name = name; |
347 | str.len = sprintf(name, "temp%lu", inode->i_ino); | |
348 | res = hfsplus_rename_cat(inode->i_ino, | |
349 | dir, &dentry->d_name, | |
dd73a01a | 350 | sbi->hidden_dir, &str); |
85b8fe8c | 351 | if (!res) { |
1da177e4 | 352 | inode->i_flags |= S_DEAD; |
85b8fe8c CH |
353 | drop_nlink(inode); |
354 | } | |
7ac9fb9c | 355 | goto out; |
1da177e4 LT |
356 | } |
357 | res = hfsplus_delete_cat(cnid, dir, &dentry->d_name); | |
358 | if (res) | |
7ac9fb9c | 359 | goto out; |
1da177e4 | 360 | |
af8c85bb | 361 | if (inode->i_nlink > 0) |
9a53c3a7 | 362 | drop_nlink(inode); |
76b0c26a RZ |
363 | if (inode->i_ino == cnid) |
364 | clear_nlink(inode); | |
365 | if (!inode->i_nlink) { | |
366 | if (inode->i_ino != cnid) { | |
dd73a01a | 367 | sbi->file_count--; |
6af502de | 368 | if (!atomic_read(&HFSPLUS_I(inode)->opencnt)) { |
76b0c26a | 369 | res = hfsplus_delete_cat(inode->i_ino, |
dd73a01a | 370 | sbi->hidden_dir, |
76b0c26a RZ |
371 | NULL); |
372 | if (!res) | |
373 | hfsplus_delete_inode(inode); | |
374 | } else | |
375 | inode->i_flags |= S_DEAD; | |
1da177e4 | 376 | } else |
76b0c26a | 377 | hfsplus_delete_inode(inode); |
af8c85bb | 378 | } else |
dd73a01a | 379 | sbi->file_count--; |
1da177e4 LT |
380 | inode->i_ctime = CURRENT_TIME_SEC; |
381 | mark_inode_dirty(inode); | |
7ac9fb9c CH |
382 | out: |
383 | mutex_unlock(&sbi->vh_mutex); | |
1da177e4 LT |
384 | return res; |
385 | } | |
386 | ||
1da177e4 LT |
387 | static int hfsplus_rmdir(struct inode *dir, struct dentry *dentry) |
388 | { | |
7ac9fb9c CH |
389 | struct hfsplus_sb_info *sbi = HFSPLUS_SB(dir->i_sb); |
390 | struct inode *inode = dentry->d_inode; | |
1da177e4 LT |
391 | int res; |
392 | ||
1da177e4 LT |
393 | if (inode->i_size != 2) |
394 | return -ENOTEMPTY; | |
7ac9fb9c CH |
395 | |
396 | mutex_lock(&sbi->vh_mutex); | |
1da177e4 LT |
397 | res = hfsplus_delete_cat(inode->i_ino, dir, &dentry->d_name); |
398 | if (res) | |
7ac9fb9c | 399 | goto out; |
ce71ec36 | 400 | clear_nlink(inode); |
1da177e4 LT |
401 | inode->i_ctime = CURRENT_TIME_SEC; |
402 | hfsplus_delete_inode(inode); | |
403 | mark_inode_dirty(inode); | |
7ac9fb9c CH |
404 | out: |
405 | mutex_unlock(&sbi->vh_mutex); | |
406 | return res; | |
1da177e4 LT |
407 | } |
408 | ||
409 | static int hfsplus_symlink(struct inode *dir, struct dentry *dentry, | |
410 | const char *symname) | |
411 | { | |
7ac9fb9c | 412 | struct hfsplus_sb_info *sbi = HFSPLUS_SB(dir->i_sb); |
1da177e4 | 413 | struct inode *inode; |
7ac9fb9c | 414 | int res = -ENOSPC; |
1da177e4 | 415 | |
7ac9fb9c | 416 | mutex_lock(&sbi->vh_mutex); |
f17c89bf | 417 | inode = hfsplus_new_inode(dir->i_sb, S_IFLNK | S_IRWXUGO); |
1da177e4 | 418 | if (!inode) |
7ac9fb9c | 419 | goto out; |
1da177e4 LT |
420 | |
421 | res = page_symlink(inode, symname, strlen(symname) + 1); | |
f17c89bf CH |
422 | if (res) |
423 | goto out_err; | |
1da177e4 | 424 | |
1da177e4 | 425 | res = hfsplus_create_cat(inode->i_ino, dir, &dentry->d_name, inode); |
f17c89bf CH |
426 | if (res) |
427 | goto out_err; | |
1da177e4 | 428 | |
324ef39a VD |
429 | res = hfsplus_init_inode_security(inode, dir, &dentry->d_name); |
430 | if (res == -EOPNOTSUPP) | |
431 | res = 0; /* Operation is not supported. */ | |
432 | else if (res) { | |
433 | /* Try to delete anyway without error analysis. */ | |
434 | hfsplus_delete_cat(inode->i_ino, dir, &dentry->d_name); | |
435 | goto out_err; | |
436 | } | |
437 | ||
f17c89bf CH |
438 | hfsplus_instantiate(dentry, inode, inode->i_ino); |
439 | mark_inode_dirty(inode); | |
7ac9fb9c | 440 | goto out; |
1da177e4 | 441 | |
f17c89bf | 442 | out_err: |
6d6b77f1 | 443 | clear_nlink(inode); |
f17c89bf CH |
444 | hfsplus_delete_inode(inode); |
445 | iput(inode); | |
7ac9fb9c CH |
446 | out: |
447 | mutex_unlock(&sbi->vh_mutex); | |
1da177e4 LT |
448 | return res; |
449 | } | |
450 | ||
451 | static int hfsplus_mknod(struct inode *dir, struct dentry *dentry, | |
1a67aafb | 452 | umode_t mode, dev_t rdev) |
1da177e4 | 453 | { |
7ac9fb9c | 454 | struct hfsplus_sb_info *sbi = HFSPLUS_SB(dir->i_sb); |
1da177e4 | 455 | struct inode *inode; |
7ac9fb9c | 456 | int res = -ENOSPC; |
1da177e4 | 457 | |
7ac9fb9c | 458 | mutex_lock(&sbi->vh_mutex); |
30d3abbe | 459 | inode = hfsplus_new_inode(dir->i_sb, mode); |
1da177e4 | 460 | if (!inode) |
7ac9fb9c | 461 | goto out; |
1da177e4 | 462 | |
90e61690 CH |
463 | if (S_ISBLK(mode) || S_ISCHR(mode) || S_ISFIFO(mode) || S_ISSOCK(mode)) |
464 | init_special_inode(inode, mode, rdev); | |
465 | ||
1da177e4 | 466 | res = hfsplus_create_cat(inode->i_ino, dir, &dentry->d_name, inode); |
324ef39a VD |
467 | if (res) |
468 | goto failed_mknod; | |
469 | ||
470 | res = hfsplus_init_inode_security(inode, dir, &dentry->d_name); | |
471 | if (res == -EOPNOTSUPP) | |
472 | res = 0; /* Operation is not supported. */ | |
473 | else if (res) { | |
474 | /* Try to delete anyway without error analysis. */ | |
475 | hfsplus_delete_cat(inode->i_ino, dir, &dentry->d_name); | |
476 | goto failed_mknod; | |
1da177e4 | 477 | } |
30d3abbe | 478 | |
1da177e4 LT |
479 | hfsplus_instantiate(dentry, inode, inode->i_ino); |
480 | mark_inode_dirty(inode); | |
324ef39a VD |
481 | goto out; |
482 | ||
483 | failed_mknod: | |
484 | clear_nlink(inode); | |
485 | hfsplus_delete_inode(inode); | |
486 | iput(inode); | |
7ac9fb9c CH |
487 | out: |
488 | mutex_unlock(&sbi->vh_mutex); | |
489 | return res; | |
1da177e4 LT |
490 | } |
491 | ||
4acdaf27 | 492 | static int hfsplus_create(struct inode *dir, struct dentry *dentry, umode_t mode, |
ebfc3b49 | 493 | bool excl) |
30d3abbe CH |
494 | { |
495 | return hfsplus_mknod(dir, dentry, mode, 0); | |
496 | } | |
497 | ||
18bb1db3 | 498 | static int hfsplus_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) |
30d3abbe CH |
499 | { |
500 | return hfsplus_mknod(dir, dentry, mode | S_IFDIR, 0); | |
501 | } | |
502 | ||
1da177e4 LT |
503 | static int hfsplus_rename(struct inode *old_dir, struct dentry *old_dentry, |
504 | struct inode *new_dir, struct dentry *new_dentry) | |
505 | { | |
506 | int res; | |
507 | ||
508 | /* Unlink destination if it already exists */ | |
509 | if (new_dentry->d_inode) { | |
e3911785 | 510 | if (S_ISDIR(new_dentry->d_inode->i_mode)) |
40de9a7c | 511 | res = hfsplus_rmdir(new_dir, new_dentry); |
e3911785 | 512 | else |
40de9a7c | 513 | res = hfsplus_unlink(new_dir, new_dentry); |
1da177e4 LT |
514 | if (res) |
515 | return res; | |
516 | } | |
517 | ||
518 | res = hfsplus_rename_cat((u32)(unsigned long)old_dentry->d_fsdata, | |
519 | old_dir, &old_dentry->d_name, | |
520 | new_dir, &new_dentry->d_name); | |
521 | if (!res) | |
522 | new_dentry->d_fsdata = old_dentry->d_fsdata; | |
523 | return res; | |
524 | } | |
525 | ||
92e1d5be | 526 | const struct inode_operations hfsplus_dir_inode_operations = { |
324ef39a VD |
527 | .lookup = hfsplus_lookup, |
528 | .create = hfsplus_create, | |
529 | .link = hfsplus_link, | |
530 | .unlink = hfsplus_unlink, | |
531 | .mkdir = hfsplus_mkdir, | |
532 | .rmdir = hfsplus_rmdir, | |
533 | .symlink = hfsplus_symlink, | |
534 | .mknod = hfsplus_mknod, | |
535 | .rename = hfsplus_rename, | |
536 | .setxattr = generic_setxattr, | |
537 | .getxattr = generic_getxattr, | |
538 | .listxattr = hfsplus_listxattr, | |
b168fff7 | 539 | .removexattr = generic_removexattr, |
b4c1107c VD |
540 | #ifdef CONFIG_HFSPLUS_FS_POSIX_ACL |
541 | .get_acl = hfsplus_get_posix_acl, | |
b0a7ab57 | 542 | .set_acl = hfsplus_set_posix_acl, |
b4c1107c | 543 | #endif |
1da177e4 LT |
544 | }; |
545 | ||
4b6f5d20 | 546 | const struct file_operations hfsplus_dir_operations = { |
eb29d66d | 547 | .fsync = hfsplus_file_fsync, |
1da177e4 | 548 | .read = generic_read_dir, |
e72514e7 | 549 | .iterate = hfsplus_readdir, |
7cc4bcc6 | 550 | .unlocked_ioctl = hfsplus_ioctl, |
1da177e4 LT |
551 | .llseek = generic_file_llseek, |
552 | .release = hfsplus_dir_release, | |
553 | }; |