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Add linux-next specific files for 20110716
[linux-2.6/next.git] / fs / hfsplus / inode.c
blob010cd363d085d8d4fd43b3e677451a1192a1c91f
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/blkdev.h>
12 #include <linux/mm.h>
13 #include <linux/fs.h>
14 #include <linux/pagemap.h>
15 #include <linux/mpage.h>
16 #include <linux/sched.h>
17
18 #include "hfsplus_fs.h"
19 #include "hfsplus_raw.h"
20
21 static int hfsplus_readpage(struct file *file, struct page *page)
22 {
23 return block_read_full_page(page, hfsplus_get_block);
24 }
25
26 static int hfsplus_writepage(struct page *page, struct writeback_control *wbc)
27 {
28 return block_write_full_page(page, hfsplus_get_block, wbc);
29 }
30
31 static int hfsplus_write_begin(struct file *file, struct address_space *mapping,
32 loff_t pos, unsigned len, unsigned flags,
33 struct page **pagep, void **fsdata)
34 {
35 int ret;
36
37 *pagep = NULL;
38 ret = cont_write_begin(file, mapping, pos, len, flags, pagep, fsdata,
39 hfsplus_get_block,
40 &HFSPLUS_I(mapping->host)->phys_size);
41 if (unlikely(ret)) {
42 loff_t isize = mapping->host->i_size;
43 if (pos + len > isize)
44 vmtruncate(mapping->host, isize);
45 }
46
47 return ret;
48 }
49
50 static sector_t hfsplus_bmap(struct address_space *mapping, sector_t block)
51 {
52 return generic_block_bmap(mapping, block, hfsplus_get_block);
53 }
54
55 static int hfsplus_releasepage(struct page *page, gfp_t mask)
56 {
57 struct inode *inode = page->mapping->host;
58 struct super_block *sb = inode->i_sb;
59 struct hfs_btree *tree;
60 struct hfs_bnode *node;
61 u32 nidx;
62 int i, res = 1;
63
64 switch (inode->i_ino) {
65 case HFSPLUS_EXT_CNID:
66 tree = HFSPLUS_SB(sb)->ext_tree;
67 break;
68 case HFSPLUS_CAT_CNID:
69 tree = HFSPLUS_SB(sb)->cat_tree;
70 break;
71 case HFSPLUS_ATTR_CNID:
72 tree = HFSPLUS_SB(sb)->attr_tree;
73 break;
74 default:
75 BUG();
76 return 0;
77 }
78 if (!tree)
79 return 0;
80 if (tree->node_size >= PAGE_CACHE_SIZE) {
81 nidx = page->index >>
82 (tree->node_size_shift - PAGE_CACHE_SHIFT);
83 spin_lock(&tree->hash_lock);
84 node = hfs_bnode_findhash(tree, nidx);
85 if (!node)
86 ;
87 else if (atomic_read(&node->refcnt))
88 res = 0;
89 if (res && node) {
90 hfs_bnode_unhash(node);
91 hfs_bnode_free(node);
92 }
93 spin_unlock(&tree->hash_lock);
94 } else {
95 nidx = page->index <<
96 (PAGE_CACHE_SHIFT - tree->node_size_shift);
97 i = 1 << (PAGE_CACHE_SHIFT - tree->node_size_shift);
98 spin_lock(&tree->hash_lock);
99 do {
100 node = hfs_bnode_findhash(tree, nidx++);
101 if (!node)
102 continue;
103 if (atomic_read(&node->refcnt)) {
104 res = 0;
105 break;
106 }
107 hfs_bnode_unhash(node);
108 hfs_bnode_free(node);
109 } while (--i && nidx < tree->node_count);
110 spin_unlock(&tree->hash_lock);
111 }
112 return res ? try_to_free_buffers(page) : 0;
113 }
114
115 static ssize_t hfsplus_direct_IO(int rw, struct kiocb *iocb,
116 const struct iovec *iov, loff_t offset, unsigned long nr_segs)
117 {
118 struct file *file = iocb->ki_filp;
119 struct inode *inode = file->f_path.dentry->d_inode->i_mapping->host;
120 ssize_t ret;
121
122 ret = blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iov,
123 offset, nr_segs, hfsplus_get_block, NULL);
124
125 /*
126 * In case of error extending write may have instantiated a few
127 * blocks outside i_size. Trim these off again.
128 */
129 if (unlikely((rw & WRITE) && ret < 0)) {
130 loff_t isize = i_size_read(inode);
131 loff_t end = offset + iov_length(iov, nr_segs);
132
133 if (end > isize)
134 vmtruncate(inode, isize);
135 }
136
137 return ret;
138 }
139
140 static int hfsplus_writepages(struct address_space *mapping,
141 struct writeback_control *wbc)
142 {
143 return mpage_writepages(mapping, wbc, hfsplus_get_block);
144 }
145
146 const struct address_space_operations hfsplus_btree_aops = {
147 .readpage = hfsplus_readpage,
148 .writepage = hfsplus_writepage,
149 .write_begin = hfsplus_write_begin,
150 .write_end = generic_write_end,
151 .bmap = hfsplus_bmap,
152 .releasepage = hfsplus_releasepage,
153 };
154
155 const struct address_space_operations hfsplus_aops = {
156 .readpage = hfsplus_readpage,
157 .writepage = hfsplus_writepage,
158 .write_begin = hfsplus_write_begin,
159 .write_end = generic_write_end,
160 .bmap = hfsplus_bmap,
161 .direct_IO = hfsplus_direct_IO,
162 .writepages = hfsplus_writepages,
163 };
164
165 const struct dentry_operations hfsplus_dentry_operations = {
166 .d_hash = hfsplus_hash_dentry,
167 .d_compare = hfsplus_compare_dentry,
168 };
169
170 static struct dentry *hfsplus_file_lookup(struct inode *dir,
171 struct dentry *dentry, struct nameidata *nd)
172 {
173 struct hfs_find_data fd;
174 struct super_block *sb = dir->i_sb;
175 struct inode *inode = NULL;
176 struct hfsplus_inode_info *hip;
177 int err;
178
179 if (HFSPLUS_IS_RSRC(dir) || strcmp(dentry->d_name.name, "rsrc"))
180 goto out;
181
182 inode = HFSPLUS_I(dir)->rsrc_inode;
183 if (inode)
184 goto out;
185
186 inode = new_inode(sb);
187 if (!inode)
188 return ERR_PTR(-ENOMEM);
189
190 hip = HFSPLUS_I(inode);
191 inode->i_ino = dir->i_ino;
192 INIT_LIST_HEAD(&hip->open_dir_list);
193 mutex_init(&hip->extents_lock);
194 hip->extent_state = 0;
195 hip->flags = 0;
196 set_bit(HFSPLUS_I_RSRC, &hip->flags);
197
198 err = hfs_find_init(HFSPLUS_SB(sb)->cat_tree, &fd);
199 if (!err) {
200 err = hfsplus_find_cat(sb, dir->i_ino, &fd);
201 if (!err)
202 err = hfsplus_cat_read_inode(inode, &fd);
203 hfs_find_exit(&fd);
204 }
205 if (err) {
206 iput(inode);
207 return ERR_PTR(err);
208 }
209 hip->rsrc_inode = dir;
210 HFSPLUS_I(dir)->rsrc_inode = inode;
211 igrab(dir);
212
213 /*
214 * __mark_inode_dirty expects inodes to be hashed. Since we don't
215 * want resource fork inodes in the regular inode space, we make them
216 * appear hashed, but do not put on any lists. hlist_del()
217 * will work fine and require no locking.
218 */
219 hlist_add_fake(&inode->i_hash);
220
221 mark_inode_dirty(inode);
222 out:
223 d_add(dentry, inode);
224 return NULL;
225 }
226
227 static void hfsplus_get_perms(struct inode *inode,
228 struct hfsplus_perm *perms, int dir)
229 {
230 struct hfsplus_sb_info *sbi = HFSPLUS_SB(inode->i_sb);
231 u16 mode;
232
233 mode = be16_to_cpu(perms->mode);
234
235 inode->i_uid = be32_to_cpu(perms->owner);
236 if (!inode->i_uid && !mode)
237 inode->i_uid = sbi->uid;
238
239 inode->i_gid = be32_to_cpu(perms->group);
240 if (!inode->i_gid && !mode)
241 inode->i_gid = sbi->gid;
242
243 if (dir) {
244 mode = mode ? (mode & S_IALLUGO) : (S_IRWXUGO & ~(sbi->umask));
245 mode |= S_IFDIR;
246 } else if (!mode)
247 mode = S_IFREG | ((S_IRUGO|S_IWUGO) & ~(sbi->umask));
248 inode->i_mode = mode;
249
250 HFSPLUS_I(inode)->userflags = perms->userflags;
251 if (perms->rootflags & HFSPLUS_FLG_IMMUTABLE)
252 inode->i_flags |= S_IMMUTABLE;
253 else
254 inode->i_flags &= ~S_IMMUTABLE;
255 if (perms->rootflags & HFSPLUS_FLG_APPEND)
256 inode->i_flags |= S_APPEND;
257 else
258 inode->i_flags &= ~S_APPEND;
259 }
260
261 static int hfsplus_file_open(struct inode *inode, struct file *file)
262 {
263 if (HFSPLUS_IS_RSRC(inode))
264 inode = HFSPLUS_I(inode)->rsrc_inode;
265 if (!(file->f_flags & O_LARGEFILE) && i_size_read(inode) > MAX_NON_LFS)
266 return -EOVERFLOW;
267 atomic_inc(&HFSPLUS_I(inode)->opencnt);
268 return 0;
269 }
270
271 static int hfsplus_file_release(struct inode *inode, struct file *file)
272 {
273 struct super_block *sb = inode->i_sb;
274
275 if (HFSPLUS_IS_RSRC(inode))
276 inode = HFSPLUS_I(inode)->rsrc_inode;
277 if (atomic_dec_and_test(&HFSPLUS_I(inode)->opencnt)) {
278 mutex_lock(&inode->i_mutex);
279 hfsplus_file_truncate(inode);
280 if (inode->i_flags & S_DEAD) {
281 hfsplus_delete_cat(inode->i_ino,
282 HFSPLUS_SB(sb)->hidden_dir, NULL);
283 hfsplus_delete_inode(inode);
284 }
285 mutex_unlock(&inode->i_mutex);
286 }
287 return 0;
288 }
289
290 static int hfsplus_setattr(struct dentry *dentry, struct iattr *attr)
291 {
292 struct inode *inode = dentry->d_inode;
293 int error;
294
295 error = inode_change_ok(inode, attr);
296 if (error)
297 return error;
298
299 if ((attr->ia_valid & ATTR_SIZE) &&
300 attr->ia_size != i_size_read(inode)) {
301 error = vmtruncate(inode, attr->ia_size);
302 if (error)
303 return error;
304 }
305
306 setattr_copy(inode, attr);
307 mark_inode_dirty(inode);
308 return 0;
309 }
310
311 int hfsplus_file_fsync(struct file *file, int datasync)
312 {
313 struct inode *inode = file->f_mapping->host;
314 struct hfsplus_inode_info *hip = HFSPLUS_I(inode);
315 struct hfsplus_sb_info *sbi = HFSPLUS_SB(inode->i_sb);
316 int error = 0, error2;
317
318 /*
319 * Sync inode metadata into the catalog and extent trees.
320 */
321 sync_inode_metadata(inode, 1);
322
323 /*
324 * And explicitly write out the btrees.
325 */
326 if (test_and_clear_bit(HFSPLUS_I_CAT_DIRTY, &hip->flags))
327 error = filemap_write_and_wait(sbi->cat_tree->inode->i_mapping);
328
329 if (test_and_clear_bit(HFSPLUS_I_EXT_DIRTY, &hip->flags)) {
330 error2 =
331 filemap_write_and_wait(sbi->ext_tree->inode->i_mapping);
332 if (!error)
333 error = error2;
334 }
335
336 if (test_and_clear_bit(HFSPLUS_I_ALLOC_DIRTY, &hip->flags)) {
337 error2 = filemap_write_and_wait(sbi->alloc_file->i_mapping);
338 if (!error)
339 error = error2;
340 }
341
342 if (!test_bit(HFSPLUS_SB_NOBARRIER, &sbi->flags))
343 blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL);
344
345 return error;
346 }
347
348 static const struct inode_operations hfsplus_file_inode_operations = {
349 .lookup = hfsplus_file_lookup,
350 .truncate = hfsplus_file_truncate,
351 .setattr = hfsplus_setattr,
352 .setxattr = hfsplus_setxattr,
353 .getxattr = hfsplus_getxattr,
354 .listxattr = hfsplus_listxattr,
355 };
356
357 static const struct file_operations hfsplus_file_operations = {
358 .llseek = generic_file_llseek,
359 .read = do_sync_read,
360 .aio_read = generic_file_aio_read,
361 .write = do_sync_write,
362 .aio_write = generic_file_aio_write,
363 .mmap = generic_file_mmap,
364 .splice_read = generic_file_splice_read,
365 .fsync = hfsplus_file_fsync,
366 .open = hfsplus_file_open,
367 .release = hfsplus_file_release,
368 .unlocked_ioctl = hfsplus_ioctl,
369 };
370
371 struct inode *hfsplus_new_inode(struct super_block *sb, int mode)
372 {
373 struct hfsplus_sb_info *sbi = HFSPLUS_SB(sb);
374 struct inode *inode = new_inode(sb);
375 struct hfsplus_inode_info *hip;
376
377 if (!inode)
378 return NULL;
379
380 inode->i_ino = sbi->next_cnid++;
381 inode->i_mode = mode;
382 inode->i_uid = current_fsuid();
383 inode->i_gid = current_fsgid();
384 inode->i_nlink = 1;
385 inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC;
386
387 hip = HFSPLUS_I(inode);
388 INIT_LIST_HEAD(&hip->open_dir_list);
389 mutex_init(&hip->extents_lock);
390 atomic_set(&hip->opencnt, 0);
391 hip->extent_state = 0;
392 hip->flags = 0;
393 memset(hip->first_extents, 0, sizeof(hfsplus_extent_rec));
394 memset(hip->cached_extents, 0, sizeof(hfsplus_extent_rec));
395 hip->alloc_blocks = 0;
396 hip->first_blocks = 0;
397 hip->cached_start = 0;
398 hip->cached_blocks = 0;
399 hip->phys_size = 0;
400 hip->fs_blocks = 0;
401 hip->rsrc_inode = NULL;
402 if (S_ISDIR(inode->i_mode)) {
403 inode->i_size = 2;
404 sbi->folder_count++;
405 inode->i_op = &hfsplus_dir_inode_operations;
406 inode->i_fop = &hfsplus_dir_operations;
407 } else if (S_ISREG(inode->i_mode)) {
408 sbi->file_count++;
409 inode->i_op = &hfsplus_file_inode_operations;
410 inode->i_fop = &hfsplus_file_operations;
411 inode->i_mapping->a_ops = &hfsplus_aops;
412 hip->clump_blocks = sbi->data_clump_blocks;
413 } else if (S_ISLNK(inode->i_mode)) {
414 sbi->file_count++;
415 inode->i_op = &page_symlink_inode_operations;
416 inode->i_mapping->a_ops = &hfsplus_aops;
417 hip->clump_blocks = 1;
418 } else
419 sbi->file_count++;
420 insert_inode_hash(inode);
421 mark_inode_dirty(inode);
422 sb->s_dirt = 1;
423
424 return inode;
425 }
426
427 void hfsplus_delete_inode(struct inode *inode)
428 {
429 struct super_block *sb = inode->i_sb;
430
431 if (S_ISDIR(inode->i_mode)) {
432 HFSPLUS_SB(sb)->folder_count--;
433 sb->s_dirt = 1;
434 return;
435 }
436 HFSPLUS_SB(sb)->file_count--;
437 if (S_ISREG(inode->i_mode)) {
438 if (!inode->i_nlink) {
439 inode->i_size = 0;
440 hfsplus_file_truncate(inode);
441 }
442 } else if (S_ISLNK(inode->i_mode)) {
443 inode->i_size = 0;
444 hfsplus_file_truncate(inode);
445 }
446 sb->s_dirt = 1;
447 }
448
449 void hfsplus_inode_read_fork(struct inode *inode, struct hfsplus_fork_raw *fork)
450 {
451 struct super_block *sb = inode->i_sb;
452 struct hfsplus_sb_info *sbi = HFSPLUS_SB(sb);
453 struct hfsplus_inode_info *hip = HFSPLUS_I(inode);
454 u32 count;
455 int i;
456
457 memcpy(&hip->first_extents, &fork->extents, sizeof(hfsplus_extent_rec));
458 for (count = 0, i = 0; i < 8; i++)
459 count += be32_to_cpu(fork->extents[i].block_count);
460 hip->first_blocks = count;
461 memset(hip->cached_extents, 0, sizeof(hfsplus_extent_rec));
462 hip->cached_start = 0;
463 hip->cached_blocks = 0;
464
465 hip->alloc_blocks = be32_to_cpu(fork->total_blocks);
466 hip->phys_size = inode->i_size = be64_to_cpu(fork->total_size);
467 hip->fs_blocks =
468 (inode->i_size + sb->s_blocksize - 1) >> sb->s_blocksize_bits;
469 inode_set_bytes(inode, hip->fs_blocks << sb->s_blocksize_bits);
470 hip->clump_blocks =
471 be32_to_cpu(fork->clump_size) >> sbi->alloc_blksz_shift;
472 if (!hip->clump_blocks) {
473 hip->clump_blocks = HFSPLUS_IS_RSRC(inode) ?
474 sbi->rsrc_clump_blocks :
475 sbi->data_clump_blocks;
476 }
477 }
478
479 void hfsplus_inode_write_fork(struct inode *inode,
480 struct hfsplus_fork_raw *fork)
481 {
482 memcpy(&fork->extents, &HFSPLUS_I(inode)->first_extents,
483 sizeof(hfsplus_extent_rec));
484 fork->total_size = cpu_to_be64(inode->i_size);
485 fork->total_blocks = cpu_to_be32(HFSPLUS_I(inode)->alloc_blocks);
486 }
487
488 int hfsplus_cat_read_inode(struct inode *inode, struct hfs_find_data *fd)
489 {
490 hfsplus_cat_entry entry;
491 int res = 0;
492 u16 type;
493
494 type = hfs_bnode_read_u16(fd->bnode, fd->entryoffset);
495
496 HFSPLUS_I(inode)->linkid = 0;
497 if (type == HFSPLUS_FOLDER) {
498 struct hfsplus_cat_folder *folder = &entry.folder;
499
500 if (fd->entrylength < sizeof(struct hfsplus_cat_folder))
501 /* panic? */;
502 hfs_bnode_read(fd->bnode, &entry, fd->entryoffset,
503 sizeof(struct hfsplus_cat_folder));
504 hfsplus_get_perms(inode, &folder->permissions, 1);
505 inode->i_nlink = 1;
506 inode->i_size = 2 + be32_to_cpu(folder->valence);
507 inode->i_atime = hfsp_mt2ut(folder->access_date);
508 inode->i_mtime = hfsp_mt2ut(folder->content_mod_date);
509 inode->i_ctime = hfsp_mt2ut(folder->attribute_mod_date);
510 HFSPLUS_I(inode)->create_date = folder->create_date;
511 HFSPLUS_I(inode)->fs_blocks = 0;
512 inode->i_op = &hfsplus_dir_inode_operations;
513 inode->i_fop = &hfsplus_dir_operations;
514 } else if (type == HFSPLUS_FILE) {
515 struct hfsplus_cat_file *file = &entry.file;
516
517 if (fd->entrylength < sizeof(struct hfsplus_cat_file))
518 /* panic? */;
519 hfs_bnode_read(fd->bnode, &entry, fd->entryoffset,
520 sizeof(struct hfsplus_cat_file));
521
522 hfsplus_inode_read_fork(inode, HFSPLUS_IS_RSRC(inode) ?
523 &file->rsrc_fork : &file->data_fork);
524 hfsplus_get_perms(inode, &file->permissions, 0);
525 inode->i_nlink = 1;
526 if (S_ISREG(inode->i_mode)) {
527 if (file->permissions.dev)
528 inode->i_nlink =
529 be32_to_cpu(file->permissions.dev);
530 inode->i_op = &hfsplus_file_inode_operations;
531 inode->i_fop = &hfsplus_file_operations;
532 inode->i_mapping->a_ops = &hfsplus_aops;
533 } else if (S_ISLNK(inode->i_mode)) {
534 inode->i_op = &page_symlink_inode_operations;
535 inode->i_mapping->a_ops = &hfsplus_aops;
536 } else {
537 init_special_inode(inode, inode->i_mode,
538 be32_to_cpu(file->permissions.dev));
539 }
540 inode->i_atime = hfsp_mt2ut(file->access_date);
541 inode->i_mtime = hfsp_mt2ut(file->content_mod_date);
542 inode->i_ctime = hfsp_mt2ut(file->attribute_mod_date);
543 HFSPLUS_I(inode)->create_date = file->create_date;
544 } else {
545 printk(KERN_ERR "hfs: bad catalog entry used to create inode\n");
546 res = -EIO;
547 }
548 return res;
549 }
550
551 int hfsplus_cat_write_inode(struct inode *inode)
552 {
553 struct inode *main_inode = inode;
554 struct hfs_find_data fd;
555 hfsplus_cat_entry entry;
556
557 if (HFSPLUS_IS_RSRC(inode))
558 main_inode = HFSPLUS_I(inode)->rsrc_inode;
559
560 if (!main_inode->i_nlink)
561 return 0;
562
563 if (hfs_find_init(HFSPLUS_SB(main_inode->i_sb)->cat_tree, &fd))
564 /* panic? */
565 return -EIO;
566
567 if (hfsplus_find_cat(main_inode->i_sb, main_inode->i_ino, &fd))
568 /* panic? */
569 goto out;
570
571 if (S_ISDIR(main_inode->i_mode)) {
572 struct hfsplus_cat_folder *folder = &entry.folder;
573
574 if (fd.entrylength < sizeof(struct hfsplus_cat_folder))
575 /* panic? */;
576 hfs_bnode_read(fd.bnode, &entry, fd.entryoffset,
577 sizeof(struct hfsplus_cat_folder));
578 /* simple node checks? */
579 hfsplus_cat_set_perms(inode, &folder->permissions);
580 folder->access_date = hfsp_ut2mt(inode->i_atime);
581 folder->content_mod_date = hfsp_ut2mt(inode->i_mtime);
582 folder->attribute_mod_date = hfsp_ut2mt(inode->i_ctime);
583 folder->valence = cpu_to_be32(inode->i_size - 2);
584 hfs_bnode_write(fd.bnode, &entry, fd.entryoffset,
585 sizeof(struct hfsplus_cat_folder));
586 } else if (HFSPLUS_IS_RSRC(inode)) {
587 struct hfsplus_cat_file *file = &entry.file;
588 hfs_bnode_read(fd.bnode, &entry, fd.entryoffset,
589 sizeof(struct hfsplus_cat_file));
590 hfsplus_inode_write_fork(inode, &file->rsrc_fork);
591 hfs_bnode_write(fd.bnode, &entry, fd.entryoffset,
592 sizeof(struct hfsplus_cat_file));
593 } else {
594 struct hfsplus_cat_file *file = &entry.file;
595
596 if (fd.entrylength < sizeof(struct hfsplus_cat_file))
597 /* panic? */;
598 hfs_bnode_read(fd.bnode, &entry, fd.entryoffset,
599 sizeof(struct hfsplus_cat_file));
600 hfsplus_inode_write_fork(inode, &file->data_fork);
601 hfsplus_cat_set_perms(inode, &file->permissions);
602 if (HFSPLUS_FLG_IMMUTABLE &
603 (file->permissions.rootflags |
604 file->permissions.userflags))
605 file->flags |= cpu_to_be16(HFSPLUS_FILE_LOCKED);
606 else
607 file->flags &= cpu_to_be16(~HFSPLUS_FILE_LOCKED);
608 file->access_date = hfsp_ut2mt(inode->i_atime);
609 file->content_mod_date = hfsp_ut2mt(inode->i_mtime);
610 file->attribute_mod_date = hfsp_ut2mt(inode->i_ctime);
611 hfs_bnode_write(fd.bnode, &entry, fd.entryoffset,
612 sizeof(struct hfsplus_cat_file));
613 }
614
615 set_bit(HFSPLUS_I_CAT_DIRTY, &HFSPLUS_I(inode)->flags);
616 out:
617 hfs_find_exit(&fd);
618 return 0;
619 }
linux-next