xref: /openbmc/linux/fs/hfsplus/inode.c (revision 64c70b1c)
1 /*
2  *  linux/fs/hfsplus/inode.c
3  *
4  * Copyright (C) 2001
5  * Brad Boyer (flar@allandria.com)
6  * (C) 2003 Ardis Technologies <roman@ardistech.com>
7  *
8  * Inode handling routines
9  */
10 
11 #include <linux/mm.h>
12 #include <linux/fs.h>
13 #include <linux/pagemap.h>
14 #include <linux/mpage.h>
15 #include <linux/sched.h>
16 
17 #include "hfsplus_fs.h"
18 #include "hfsplus_raw.h"
19 
20 static int hfsplus_readpage(struct file *file, struct page *page)
21 {
22 	return block_read_full_page(page, hfsplus_get_block);
23 }
24 
25 static int hfsplus_writepage(struct page *page, struct writeback_control *wbc)
26 {
27 	return block_write_full_page(page, hfsplus_get_block, wbc);
28 }
29 
30 static int hfsplus_prepare_write(struct file *file, struct page *page, unsigned from, unsigned to)
31 {
32 	return cont_prepare_write(page, from, to, hfsplus_get_block,
33 		&HFSPLUS_I(page->mapping->host).phys_size);
34 }
35 
36 static sector_t hfsplus_bmap(struct address_space *mapping, sector_t block)
37 {
38 	return generic_block_bmap(mapping, block, hfsplus_get_block);
39 }
40 
41 static int hfsplus_releasepage(struct page *page, gfp_t mask)
42 {
43 	struct inode *inode = page->mapping->host;
44 	struct super_block *sb = inode->i_sb;
45 	struct hfs_btree *tree;
46 	struct hfs_bnode *node;
47 	u32 nidx;
48 	int i, res = 1;
49 
50 	switch (inode->i_ino) {
51 	case HFSPLUS_EXT_CNID:
52 		tree = HFSPLUS_SB(sb).ext_tree;
53 		break;
54 	case HFSPLUS_CAT_CNID:
55 		tree = HFSPLUS_SB(sb).cat_tree;
56 		break;
57 	case HFSPLUS_ATTR_CNID:
58 		tree = HFSPLUS_SB(sb).attr_tree;
59 		break;
60 	default:
61 		BUG();
62 		return 0;
63 	}
64 	if (tree->node_size >= PAGE_CACHE_SIZE) {
65 		nidx = page->index >> (tree->node_size_shift - PAGE_CACHE_SHIFT);
66 		spin_lock(&tree->hash_lock);
67 		node = hfs_bnode_findhash(tree, nidx);
68 		if (!node)
69 			;
70 		else if (atomic_read(&node->refcnt))
71 			res = 0;
72 		if (res && node) {
73 			hfs_bnode_unhash(node);
74 			hfs_bnode_free(node);
75 		}
76 		spin_unlock(&tree->hash_lock);
77 	} else {
78 		nidx = page->index << (PAGE_CACHE_SHIFT - tree->node_size_shift);
79 		i = 1 << (PAGE_CACHE_SHIFT - tree->node_size_shift);
80 		spin_lock(&tree->hash_lock);
81 		do {
82 			node = hfs_bnode_findhash(tree, nidx++);
83 			if (!node)
84 				continue;
85 			if (atomic_read(&node->refcnt)) {
86 				res = 0;
87 				break;
88 			}
89 			hfs_bnode_unhash(node);
90 			hfs_bnode_free(node);
91 		} while (--i && nidx < tree->node_count);
92 		spin_unlock(&tree->hash_lock);
93 	}
94 	return res ? try_to_free_buffers(page) : 0;
95 }
96 
97 static ssize_t hfsplus_direct_IO(int rw, struct kiocb *iocb,
98 		const struct iovec *iov, loff_t offset, unsigned long nr_segs)
99 {
100 	struct file *file = iocb->ki_filp;
101 	struct inode *inode = file->f_path.dentry->d_inode->i_mapping->host;
102 
103 	return blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iov,
104 				  offset, nr_segs, hfsplus_get_block, NULL);
105 }
106 
107 static int hfsplus_writepages(struct address_space *mapping,
108 			      struct writeback_control *wbc)
109 {
110 	return mpage_writepages(mapping, wbc, hfsplus_get_block);
111 }
112 
113 const struct address_space_operations hfsplus_btree_aops = {
114 	.readpage	= hfsplus_readpage,
115 	.writepage	= hfsplus_writepage,
116 	.sync_page	= block_sync_page,
117 	.prepare_write	= hfsplus_prepare_write,
118 	.commit_write	= generic_commit_write,
119 	.bmap		= hfsplus_bmap,
120 	.releasepage	= hfsplus_releasepage,
121 };
122 
123 const struct address_space_operations hfsplus_aops = {
124 	.readpage	= hfsplus_readpage,
125 	.writepage	= hfsplus_writepage,
126 	.sync_page	= block_sync_page,
127 	.prepare_write	= hfsplus_prepare_write,
128 	.commit_write	= generic_commit_write,
129 	.bmap		= hfsplus_bmap,
130 	.direct_IO	= hfsplus_direct_IO,
131 	.writepages	= hfsplus_writepages,
132 };
133 
134 static struct dentry *hfsplus_file_lookup(struct inode *dir, struct dentry *dentry,
135 					  struct nameidata *nd)
136 {
137 	struct hfs_find_data fd;
138 	struct super_block *sb = dir->i_sb;
139 	struct inode *inode = NULL;
140 	int err;
141 
142 	if (HFSPLUS_IS_RSRC(dir) || strcmp(dentry->d_name.name, "rsrc"))
143 		goto out;
144 
145 	inode = HFSPLUS_I(dir).rsrc_inode;
146 	if (inode)
147 		goto out;
148 
149 	inode = new_inode(sb);
150 	if (!inode)
151 		return ERR_PTR(-ENOMEM);
152 
153 	inode->i_ino = dir->i_ino;
154 	INIT_LIST_HEAD(&HFSPLUS_I(inode).open_dir_list);
155 	init_MUTEX(&HFSPLUS_I(inode).extents_lock);
156 	HFSPLUS_I(inode).flags = HFSPLUS_FLG_RSRC;
157 
158 	hfs_find_init(HFSPLUS_SB(sb).cat_tree, &fd);
159 	err = hfsplus_find_cat(sb, dir->i_ino, &fd);
160 	if (!err)
161 		err = hfsplus_cat_read_inode(inode, &fd);
162 	hfs_find_exit(&fd);
163 	if (err) {
164 		iput(inode);
165 		return ERR_PTR(err);
166 	}
167 	HFSPLUS_I(inode).rsrc_inode = dir;
168 	HFSPLUS_I(dir).rsrc_inode = inode;
169 	igrab(dir);
170 	hlist_add_head(&inode->i_hash, &HFSPLUS_SB(sb).rsrc_inodes);
171 	mark_inode_dirty(inode);
172 out:
173 	d_add(dentry, inode);
174 	return NULL;
175 }
176 
177 static void hfsplus_get_perms(struct inode *inode, struct hfsplus_perm *perms, int dir)
178 {
179 	struct super_block *sb = inode->i_sb;
180 	u16 mode;
181 
182 	mode = be16_to_cpu(perms->mode);
183 
184 	inode->i_uid = be32_to_cpu(perms->owner);
185 	if (!inode->i_uid && !mode)
186 		inode->i_uid = HFSPLUS_SB(sb).uid;
187 
188 	inode->i_gid = be32_to_cpu(perms->group);
189 	if (!inode->i_gid && !mode)
190 		inode->i_gid = HFSPLUS_SB(sb).gid;
191 
192 	if (dir) {
193 		mode = mode ? (mode & S_IALLUGO) :
194 			(S_IRWXUGO & ~(HFSPLUS_SB(sb).umask));
195 		mode |= S_IFDIR;
196 	} else if (!mode)
197 		mode = S_IFREG | ((S_IRUGO|S_IWUGO) &
198 			~(HFSPLUS_SB(sb).umask));
199 	inode->i_mode = mode;
200 
201 	HFSPLUS_I(inode).rootflags = perms->rootflags;
202 	HFSPLUS_I(inode).userflags = perms->userflags;
203 	if (perms->rootflags & HFSPLUS_FLG_IMMUTABLE)
204 		inode->i_flags |= S_IMMUTABLE;
205 	else
206 		inode->i_flags &= ~S_IMMUTABLE;
207 	if (perms->rootflags & HFSPLUS_FLG_APPEND)
208 		inode->i_flags |= S_APPEND;
209 	else
210 		inode->i_flags &= ~S_APPEND;
211 }
212 
213 static void hfsplus_set_perms(struct inode *inode, struct hfsplus_perm *perms)
214 {
215 	if (inode->i_flags & S_IMMUTABLE)
216 		perms->rootflags |= HFSPLUS_FLG_IMMUTABLE;
217 	else
218 		perms->rootflags &= ~HFSPLUS_FLG_IMMUTABLE;
219 	if (inode->i_flags & S_APPEND)
220 		perms->rootflags |= HFSPLUS_FLG_APPEND;
221 	else
222 		perms->rootflags &= ~HFSPLUS_FLG_APPEND;
223 	perms->userflags = HFSPLUS_I(inode).userflags;
224 	perms->mode = cpu_to_be16(inode->i_mode);
225 	perms->owner = cpu_to_be32(inode->i_uid);
226 	perms->group = cpu_to_be32(inode->i_gid);
227 	perms->dev = cpu_to_be32(HFSPLUS_I(inode).dev);
228 }
229 
230 static int hfsplus_permission(struct inode *inode, int mask, struct nameidata *nd)
231 {
232 	/* MAY_EXEC is also used for lookup, if no x bit is set allow lookup,
233 	 * open_exec has the same test, so it's still not executable, if a x bit
234 	 * is set fall back to standard permission check.
235 	 */
236 	if (S_ISREG(inode->i_mode) && mask & MAY_EXEC && !(inode->i_mode & 0111))
237 		return 0;
238 	return generic_permission(inode, mask, NULL);
239 }
240 
241 
242 static int hfsplus_file_open(struct inode *inode, struct file *file)
243 {
244 	if (HFSPLUS_IS_RSRC(inode))
245 		inode = HFSPLUS_I(inode).rsrc_inode;
246 	if (atomic_read(&file->f_count) != 1)
247 		return 0;
248 	atomic_inc(&HFSPLUS_I(inode).opencnt);
249 	return 0;
250 }
251 
252 static int hfsplus_file_release(struct inode *inode, struct file *file)
253 {
254 	struct super_block *sb = inode->i_sb;
255 
256 	if (HFSPLUS_IS_RSRC(inode))
257 		inode = HFSPLUS_I(inode).rsrc_inode;
258 	if (atomic_read(&file->f_count) != 0)
259 		return 0;
260 	if (atomic_dec_and_test(&HFSPLUS_I(inode).opencnt)) {
261 		mutex_lock(&inode->i_mutex);
262 		hfsplus_file_truncate(inode);
263 		if (inode->i_flags & S_DEAD) {
264 			hfsplus_delete_cat(inode->i_ino, HFSPLUS_SB(sb).hidden_dir, NULL);
265 			hfsplus_delete_inode(inode);
266 		}
267 		mutex_unlock(&inode->i_mutex);
268 	}
269 	return 0;
270 }
271 
272 extern const struct inode_operations hfsplus_dir_inode_operations;
273 extern struct file_operations hfsplus_dir_operations;
274 
275 static const struct inode_operations hfsplus_file_inode_operations = {
276 	.lookup		= hfsplus_file_lookup,
277 	.truncate	= hfsplus_file_truncate,
278 	.permission	= hfsplus_permission,
279 	.setxattr	= hfsplus_setxattr,
280 	.getxattr	= hfsplus_getxattr,
281 	.listxattr	= hfsplus_listxattr,
282 };
283 
284 static const struct file_operations hfsplus_file_operations = {
285 	.llseek 	= generic_file_llseek,
286 	.read		= do_sync_read,
287 	.aio_read	= generic_file_aio_read,
288 	.write		= do_sync_write,
289 	.aio_write	= generic_file_aio_write,
290 	.mmap		= generic_file_mmap,
291 	.splice_read	= generic_file_splice_read,
292 	.fsync		= file_fsync,
293 	.open		= hfsplus_file_open,
294 	.release	= hfsplus_file_release,
295 	.ioctl          = hfsplus_ioctl,
296 };
297 
298 struct inode *hfsplus_new_inode(struct super_block *sb, int mode)
299 {
300 	struct inode *inode = new_inode(sb);
301 	if (!inode)
302 		return NULL;
303 
304 	inode->i_ino = HFSPLUS_SB(sb).next_cnid++;
305 	inode->i_mode = mode;
306 	inode->i_uid = current->fsuid;
307 	inode->i_gid = current->fsgid;
308 	inode->i_nlink = 1;
309 	inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC;
310 	INIT_LIST_HEAD(&HFSPLUS_I(inode).open_dir_list);
311 	init_MUTEX(&HFSPLUS_I(inode).extents_lock);
312 	atomic_set(&HFSPLUS_I(inode).opencnt, 0);
313 	HFSPLUS_I(inode).flags = 0;
314 	memset(HFSPLUS_I(inode).first_extents, 0, sizeof(hfsplus_extent_rec));
315 	memset(HFSPLUS_I(inode).cached_extents, 0, sizeof(hfsplus_extent_rec));
316 	HFSPLUS_I(inode).alloc_blocks = 0;
317 	HFSPLUS_I(inode).first_blocks = 0;
318 	HFSPLUS_I(inode).cached_start = 0;
319 	HFSPLUS_I(inode).cached_blocks = 0;
320 	HFSPLUS_I(inode).phys_size = 0;
321 	HFSPLUS_I(inode).fs_blocks = 0;
322 	HFSPLUS_I(inode).rsrc_inode = NULL;
323 	if (S_ISDIR(inode->i_mode)) {
324 		inode->i_size = 2;
325 		HFSPLUS_SB(sb).folder_count++;
326 		inode->i_op = &hfsplus_dir_inode_operations;
327 		inode->i_fop = &hfsplus_dir_operations;
328 	} else if (S_ISREG(inode->i_mode)) {
329 		HFSPLUS_SB(sb).file_count++;
330 		inode->i_op = &hfsplus_file_inode_operations;
331 		inode->i_fop = &hfsplus_file_operations;
332 		inode->i_mapping->a_ops = &hfsplus_aops;
333 		HFSPLUS_I(inode).clump_blocks = HFSPLUS_SB(sb).data_clump_blocks;
334 	} else if (S_ISLNK(inode->i_mode)) {
335 		HFSPLUS_SB(sb).file_count++;
336 		inode->i_op = &page_symlink_inode_operations;
337 		inode->i_mapping->a_ops = &hfsplus_aops;
338 		HFSPLUS_I(inode).clump_blocks = 1;
339 	} else
340 		HFSPLUS_SB(sb).file_count++;
341 	insert_inode_hash(inode);
342 	mark_inode_dirty(inode);
343 	sb->s_dirt = 1;
344 
345 	return inode;
346 }
347 
348 void hfsplus_delete_inode(struct inode *inode)
349 {
350 	struct super_block *sb = inode->i_sb;
351 
352 	if (S_ISDIR(inode->i_mode)) {
353 		HFSPLUS_SB(sb).folder_count--;
354 		sb->s_dirt = 1;
355 		return;
356 	}
357 	HFSPLUS_SB(sb).file_count--;
358 	if (S_ISREG(inode->i_mode)) {
359 		if (!inode->i_nlink) {
360 			inode->i_size = 0;
361 			hfsplus_file_truncate(inode);
362 		}
363 	} else if (S_ISLNK(inode->i_mode)) {
364 		inode->i_size = 0;
365 		hfsplus_file_truncate(inode);
366 	}
367 	sb->s_dirt = 1;
368 }
369 
370 void hfsplus_inode_read_fork(struct inode *inode, struct hfsplus_fork_raw *fork)
371 {
372 	struct super_block *sb = inode->i_sb;
373 	u32 count;
374 	int i;
375 
376 	memcpy(&HFSPLUS_I(inode).first_extents, &fork->extents,
377 	       sizeof(hfsplus_extent_rec));
378 	for (count = 0, i = 0; i < 8; i++)
379 		count += be32_to_cpu(fork->extents[i].block_count);
380 	HFSPLUS_I(inode).first_blocks = count;
381 	memset(HFSPLUS_I(inode).cached_extents, 0, sizeof(hfsplus_extent_rec));
382 	HFSPLUS_I(inode).cached_start = 0;
383 	HFSPLUS_I(inode).cached_blocks = 0;
384 
385 	HFSPLUS_I(inode).alloc_blocks = be32_to_cpu(fork->total_blocks);
386 	inode->i_size = HFSPLUS_I(inode).phys_size = be64_to_cpu(fork->total_size);
387 	HFSPLUS_I(inode).fs_blocks = (inode->i_size + sb->s_blocksize - 1) >> sb->s_blocksize_bits;
388 	inode_set_bytes(inode, HFSPLUS_I(inode).fs_blocks << sb->s_blocksize_bits);
389 	HFSPLUS_I(inode).clump_blocks = be32_to_cpu(fork->clump_size) >> HFSPLUS_SB(sb).alloc_blksz_shift;
390 	if (!HFSPLUS_I(inode).clump_blocks)
391 		HFSPLUS_I(inode).clump_blocks = HFSPLUS_IS_RSRC(inode) ? HFSPLUS_SB(sb).rsrc_clump_blocks :
392 				HFSPLUS_SB(sb).data_clump_blocks;
393 }
394 
395 void hfsplus_inode_write_fork(struct inode *inode, struct hfsplus_fork_raw *fork)
396 {
397 	memcpy(&fork->extents, &HFSPLUS_I(inode).first_extents,
398 	       sizeof(hfsplus_extent_rec));
399 	fork->total_size = cpu_to_be64(inode->i_size);
400 	fork->total_blocks = cpu_to_be32(HFSPLUS_I(inode).alloc_blocks);
401 }
402 
403 int hfsplus_cat_read_inode(struct inode *inode, struct hfs_find_data *fd)
404 {
405 	hfsplus_cat_entry entry;
406 	int res = 0;
407 	u16 type;
408 
409 	type = hfs_bnode_read_u16(fd->bnode, fd->entryoffset);
410 
411 	HFSPLUS_I(inode).dev = 0;
412 	if (type == HFSPLUS_FOLDER) {
413 		struct hfsplus_cat_folder *folder = &entry.folder;
414 
415 		if (fd->entrylength < sizeof(struct hfsplus_cat_folder))
416 			/* panic? */;
417 		hfs_bnode_read(fd->bnode, &entry, fd->entryoffset,
418 					sizeof(struct hfsplus_cat_folder));
419 		hfsplus_get_perms(inode, &folder->permissions, 1);
420 		inode->i_nlink = 1;
421 		inode->i_size = 2 + be32_to_cpu(folder->valence);
422 		inode->i_atime = hfsp_mt2ut(folder->access_date);
423 		inode->i_mtime = hfsp_mt2ut(folder->content_mod_date);
424 		inode->i_ctime = hfsp_mt2ut(folder->attribute_mod_date);
425 		HFSPLUS_I(inode).create_date = folder->create_date;
426 		HFSPLUS_I(inode).fs_blocks = 0;
427 		inode->i_op = &hfsplus_dir_inode_operations;
428 		inode->i_fop = &hfsplus_dir_operations;
429 	} else if (type == HFSPLUS_FILE) {
430 		struct hfsplus_cat_file *file = &entry.file;
431 
432 		if (fd->entrylength < sizeof(struct hfsplus_cat_file))
433 			/* panic? */;
434 		hfs_bnode_read(fd->bnode, &entry, fd->entryoffset,
435 					sizeof(struct hfsplus_cat_file));
436 
437 		hfsplus_inode_read_fork(inode, HFSPLUS_IS_DATA(inode) ?
438 					&file->data_fork : &file->rsrc_fork);
439 		hfsplus_get_perms(inode, &file->permissions, 0);
440 		inode->i_nlink = 1;
441 		if (S_ISREG(inode->i_mode)) {
442 			if (file->permissions.dev)
443 				inode->i_nlink = be32_to_cpu(file->permissions.dev);
444 			inode->i_op = &hfsplus_file_inode_operations;
445 			inode->i_fop = &hfsplus_file_operations;
446 			inode->i_mapping->a_ops = &hfsplus_aops;
447 		} else if (S_ISLNK(inode->i_mode)) {
448 			inode->i_op = &page_symlink_inode_operations;
449 			inode->i_mapping->a_ops = &hfsplus_aops;
450 		} else {
451 			init_special_inode(inode, inode->i_mode,
452 					   be32_to_cpu(file->permissions.dev));
453 		}
454 		inode->i_atime = hfsp_mt2ut(file->access_date);
455 		inode->i_mtime = hfsp_mt2ut(file->content_mod_date);
456 		inode->i_ctime = hfsp_mt2ut(file->attribute_mod_date);
457 		HFSPLUS_I(inode).create_date = file->create_date;
458 	} else {
459 		printk(KERN_ERR "hfs: bad catalog entry used to create inode\n");
460 		res = -EIO;
461 	}
462 	return res;
463 }
464 
465 int hfsplus_cat_write_inode(struct inode *inode)
466 {
467 	struct inode *main_inode = inode;
468 	struct hfs_find_data fd;
469 	hfsplus_cat_entry entry;
470 
471 	if (HFSPLUS_IS_RSRC(inode))
472 		main_inode = HFSPLUS_I(inode).rsrc_inode;
473 
474 	if (!main_inode->i_nlink)
475 		return 0;
476 
477 	if (hfs_find_init(HFSPLUS_SB(main_inode->i_sb).cat_tree, &fd))
478 		/* panic? */
479 		return -EIO;
480 
481 	if (hfsplus_find_cat(main_inode->i_sb, main_inode->i_ino, &fd))
482 		/* panic? */
483 		goto out;
484 
485 	if (S_ISDIR(main_inode->i_mode)) {
486 		struct hfsplus_cat_folder *folder = &entry.folder;
487 
488 		if (fd.entrylength < sizeof(struct hfsplus_cat_folder))
489 			/* panic? */;
490 		hfs_bnode_read(fd.bnode, &entry, fd.entryoffset,
491 					sizeof(struct hfsplus_cat_folder));
492 		/* simple node checks? */
493 		hfsplus_set_perms(inode, &folder->permissions);
494 		folder->access_date = hfsp_ut2mt(inode->i_atime);
495 		folder->content_mod_date = hfsp_ut2mt(inode->i_mtime);
496 		folder->attribute_mod_date = hfsp_ut2mt(inode->i_ctime);
497 		folder->valence = cpu_to_be32(inode->i_size - 2);
498 		hfs_bnode_write(fd.bnode, &entry, fd.entryoffset,
499 					 sizeof(struct hfsplus_cat_folder));
500 	} else if (HFSPLUS_IS_RSRC(inode)) {
501 		struct hfsplus_cat_file *file = &entry.file;
502 		hfs_bnode_read(fd.bnode, &entry, fd.entryoffset,
503 			       sizeof(struct hfsplus_cat_file));
504 		hfsplus_inode_write_fork(inode, &file->rsrc_fork);
505 		hfs_bnode_write(fd.bnode, &entry, fd.entryoffset,
506 				sizeof(struct hfsplus_cat_file));
507 	} else {
508 		struct hfsplus_cat_file *file = &entry.file;
509 
510 		if (fd.entrylength < sizeof(struct hfsplus_cat_file))
511 			/* panic? */;
512 		hfs_bnode_read(fd.bnode, &entry, fd.entryoffset,
513 					sizeof(struct hfsplus_cat_file));
514 		hfsplus_inode_write_fork(inode, &file->data_fork);
515 		if (S_ISREG(inode->i_mode))
516 			HFSPLUS_I(inode).dev = inode->i_nlink;
517 		if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode))
518 			HFSPLUS_I(inode).dev = kdev_t_to_nr(inode->i_rdev);
519 		hfsplus_set_perms(inode, &file->permissions);
520 		if ((file->permissions.rootflags | file->permissions.userflags) & HFSPLUS_FLG_IMMUTABLE)
521 			file->flags |= cpu_to_be16(HFSPLUS_FILE_LOCKED);
522 		else
523 			file->flags &= cpu_to_be16(~HFSPLUS_FILE_LOCKED);
524 		file->access_date = hfsp_ut2mt(inode->i_atime);
525 		file->content_mod_date = hfsp_ut2mt(inode->i_mtime);
526 		file->attribute_mod_date = hfsp_ut2mt(inode->i_ctime);
527 		hfs_bnode_write(fd.bnode, &entry, fd.entryoffset,
528 					 sizeof(struct hfsplus_cat_file));
529 	}
530 out:
531 	hfs_find_exit(&fd);
532 	return 0;
533 }
534