xref: /openbmc/linux/fs/hfsplus/inode.c (revision f6723b56)
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 #include <linux/aio.h>
18 
19 #include "hfsplus_fs.h"
20 #include "hfsplus_raw.h"
21 #include "xattr.h"
22 #include "acl.h"
23 
24 static int hfsplus_readpage(struct file *file, struct page *page)
25 {
26 	return block_read_full_page(page, hfsplus_get_block);
27 }
28 
29 static int hfsplus_writepage(struct page *page, struct writeback_control *wbc)
30 {
31 	return block_write_full_page(page, hfsplus_get_block, wbc);
32 }
33 
34 static void hfsplus_write_failed(struct address_space *mapping, loff_t to)
35 {
36 	struct inode *inode = mapping->host;
37 
38 	if (to > inode->i_size) {
39 		truncate_pagecache(inode, inode->i_size);
40 		hfsplus_file_truncate(inode);
41 	}
42 }
43 
44 static int hfsplus_write_begin(struct file *file, struct address_space *mapping,
45 			loff_t pos, unsigned len, unsigned flags,
46 			struct page **pagep, void **fsdata)
47 {
48 	int ret;
49 
50 	*pagep = NULL;
51 	ret = cont_write_begin(file, mapping, pos, len, flags, pagep, fsdata,
52 				hfsplus_get_block,
53 				&HFSPLUS_I(mapping->host)->phys_size);
54 	if (unlikely(ret))
55 		hfsplus_write_failed(mapping, pos + len);
56 
57 	return ret;
58 }
59 
60 static sector_t hfsplus_bmap(struct address_space *mapping, sector_t block)
61 {
62 	return generic_block_bmap(mapping, block, hfsplus_get_block);
63 }
64 
65 static int hfsplus_releasepage(struct page *page, gfp_t mask)
66 {
67 	struct inode *inode = page->mapping->host;
68 	struct super_block *sb = inode->i_sb;
69 	struct hfs_btree *tree;
70 	struct hfs_bnode *node;
71 	u32 nidx;
72 	int i, res = 1;
73 
74 	switch (inode->i_ino) {
75 	case HFSPLUS_EXT_CNID:
76 		tree = HFSPLUS_SB(sb)->ext_tree;
77 		break;
78 	case HFSPLUS_CAT_CNID:
79 		tree = HFSPLUS_SB(sb)->cat_tree;
80 		break;
81 	case HFSPLUS_ATTR_CNID:
82 		tree = HFSPLUS_SB(sb)->attr_tree;
83 		break;
84 	default:
85 		BUG();
86 		return 0;
87 	}
88 	if (!tree)
89 		return 0;
90 	if (tree->node_size >= PAGE_CACHE_SIZE) {
91 		nidx = page->index >>
92 			(tree->node_size_shift - PAGE_CACHE_SHIFT);
93 		spin_lock(&tree->hash_lock);
94 		node = hfs_bnode_findhash(tree, nidx);
95 		if (!node)
96 			;
97 		else if (atomic_read(&node->refcnt))
98 			res = 0;
99 		if (res && node) {
100 			hfs_bnode_unhash(node);
101 			hfs_bnode_free(node);
102 		}
103 		spin_unlock(&tree->hash_lock);
104 	} else {
105 		nidx = page->index <<
106 			(PAGE_CACHE_SHIFT - tree->node_size_shift);
107 		i = 1 << (PAGE_CACHE_SHIFT - tree->node_size_shift);
108 		spin_lock(&tree->hash_lock);
109 		do {
110 			node = hfs_bnode_findhash(tree, nidx++);
111 			if (!node)
112 				continue;
113 			if (atomic_read(&node->refcnt)) {
114 				res = 0;
115 				break;
116 			}
117 			hfs_bnode_unhash(node);
118 			hfs_bnode_free(node);
119 		} while (--i && nidx < tree->node_count);
120 		spin_unlock(&tree->hash_lock);
121 	}
122 	return res ? try_to_free_buffers(page) : 0;
123 }
124 
125 static ssize_t hfsplus_direct_IO(int rw, struct kiocb *iocb,
126 		const struct iovec *iov, loff_t offset, unsigned long nr_segs)
127 {
128 	struct file *file = iocb->ki_filp;
129 	struct address_space *mapping = file->f_mapping;
130 	struct inode *inode = file_inode(file)->i_mapping->host;
131 	ssize_t ret;
132 
133 	ret = blockdev_direct_IO(rw, iocb, inode, iov, offset, nr_segs,
134 				 hfsplus_get_block);
135 
136 	/*
137 	 * In case of error extending write may have instantiated a few
138 	 * blocks outside i_size. Trim these off again.
139 	 */
140 	if (unlikely((rw & WRITE) && ret < 0)) {
141 		loff_t isize = i_size_read(inode);
142 		loff_t end = offset + iov_length(iov, nr_segs);
143 
144 		if (end > isize)
145 			hfsplus_write_failed(mapping, end);
146 	}
147 
148 	return ret;
149 }
150 
151 static int hfsplus_writepages(struct address_space *mapping,
152 			      struct writeback_control *wbc)
153 {
154 	return mpage_writepages(mapping, wbc, hfsplus_get_block);
155 }
156 
157 const struct address_space_operations hfsplus_btree_aops = {
158 	.readpage	= hfsplus_readpage,
159 	.writepage	= hfsplus_writepage,
160 	.write_begin	= hfsplus_write_begin,
161 	.write_end	= generic_write_end,
162 	.bmap		= hfsplus_bmap,
163 	.releasepage	= hfsplus_releasepage,
164 };
165 
166 const struct address_space_operations hfsplus_aops = {
167 	.readpage	= hfsplus_readpage,
168 	.writepage	= hfsplus_writepage,
169 	.write_begin	= hfsplus_write_begin,
170 	.write_end	= generic_write_end,
171 	.bmap		= hfsplus_bmap,
172 	.direct_IO	= hfsplus_direct_IO,
173 	.writepages	= hfsplus_writepages,
174 };
175 
176 const struct dentry_operations hfsplus_dentry_operations = {
177 	.d_hash       = hfsplus_hash_dentry,
178 	.d_compare    = hfsplus_compare_dentry,
179 };
180 
181 static void hfsplus_get_perms(struct inode *inode,
182 		struct hfsplus_perm *perms, int dir)
183 {
184 	struct hfsplus_sb_info *sbi = HFSPLUS_SB(inode->i_sb);
185 	u16 mode;
186 
187 	mode = be16_to_cpu(perms->mode);
188 
189 	i_uid_write(inode, be32_to_cpu(perms->owner));
190 	if (!i_uid_read(inode) && !mode)
191 		inode->i_uid = sbi->uid;
192 
193 	i_gid_write(inode, be32_to_cpu(perms->group));
194 	if (!i_gid_read(inode) && !mode)
195 		inode->i_gid = sbi->gid;
196 
197 	if (dir) {
198 		mode = mode ? (mode & S_IALLUGO) : (S_IRWXUGO & ~(sbi->umask));
199 		mode |= S_IFDIR;
200 	} else if (!mode)
201 		mode = S_IFREG | ((S_IRUGO|S_IWUGO) & ~(sbi->umask));
202 	inode->i_mode = mode;
203 
204 	HFSPLUS_I(inode)->userflags = perms->userflags;
205 	if (perms->rootflags & HFSPLUS_FLG_IMMUTABLE)
206 		inode->i_flags |= S_IMMUTABLE;
207 	else
208 		inode->i_flags &= ~S_IMMUTABLE;
209 	if (perms->rootflags & HFSPLUS_FLG_APPEND)
210 		inode->i_flags |= S_APPEND;
211 	else
212 		inode->i_flags &= ~S_APPEND;
213 }
214 
215 static int hfsplus_file_open(struct inode *inode, struct file *file)
216 {
217 	if (HFSPLUS_IS_RSRC(inode))
218 		inode = HFSPLUS_I(inode)->rsrc_inode;
219 	if (!(file->f_flags & O_LARGEFILE) && i_size_read(inode) > MAX_NON_LFS)
220 		return -EOVERFLOW;
221 	atomic_inc(&HFSPLUS_I(inode)->opencnt);
222 	return 0;
223 }
224 
225 static int hfsplus_file_release(struct inode *inode, struct file *file)
226 {
227 	struct super_block *sb = inode->i_sb;
228 
229 	if (HFSPLUS_IS_RSRC(inode))
230 		inode = HFSPLUS_I(inode)->rsrc_inode;
231 	if (atomic_dec_and_test(&HFSPLUS_I(inode)->opencnt)) {
232 		mutex_lock(&inode->i_mutex);
233 		hfsplus_file_truncate(inode);
234 		if (inode->i_flags & S_DEAD) {
235 			hfsplus_delete_cat(inode->i_ino,
236 					   HFSPLUS_SB(sb)->hidden_dir, NULL);
237 			hfsplus_delete_inode(inode);
238 		}
239 		mutex_unlock(&inode->i_mutex);
240 	}
241 	return 0;
242 }
243 
244 static int hfsplus_setattr(struct dentry *dentry, struct iattr *attr)
245 {
246 	struct inode *inode = dentry->d_inode;
247 	int error;
248 
249 	error = inode_change_ok(inode, attr);
250 	if (error)
251 		return error;
252 
253 	if ((attr->ia_valid & ATTR_SIZE) &&
254 	    attr->ia_size != i_size_read(inode)) {
255 		inode_dio_wait(inode);
256 		truncate_setsize(inode, attr->ia_size);
257 		hfsplus_file_truncate(inode);
258 	}
259 
260 	setattr_copy(inode, attr);
261 	mark_inode_dirty(inode);
262 
263 	if (attr->ia_valid & ATTR_MODE) {
264 		error = posix_acl_chmod(inode, inode->i_mode);
265 		if (unlikely(error))
266 			return error;
267 	}
268 
269 	return 0;
270 }
271 
272 int hfsplus_file_fsync(struct file *file, loff_t start, loff_t end,
273 		       int datasync)
274 {
275 	struct inode *inode = file->f_mapping->host;
276 	struct hfsplus_inode_info *hip = HFSPLUS_I(inode);
277 	struct hfsplus_sb_info *sbi = HFSPLUS_SB(inode->i_sb);
278 	int error = 0, error2;
279 
280 	error = filemap_write_and_wait_range(inode->i_mapping, start, end);
281 	if (error)
282 		return error;
283 	mutex_lock(&inode->i_mutex);
284 
285 	/*
286 	 * Sync inode metadata into the catalog and extent trees.
287 	 */
288 	sync_inode_metadata(inode, 1);
289 
290 	/*
291 	 * And explicitly write out the btrees.
292 	 */
293 	if (test_and_clear_bit(HFSPLUS_I_CAT_DIRTY, &hip->flags))
294 		error = filemap_write_and_wait(sbi->cat_tree->inode->i_mapping);
295 
296 	if (test_and_clear_bit(HFSPLUS_I_EXT_DIRTY, &hip->flags)) {
297 		error2 =
298 			filemap_write_and_wait(sbi->ext_tree->inode->i_mapping);
299 		if (!error)
300 			error = error2;
301 	}
302 
303 	if (test_and_clear_bit(HFSPLUS_I_ATTR_DIRTY, &hip->flags)) {
304 		if (sbi->attr_tree) {
305 			error2 =
306 				filemap_write_and_wait(
307 					    sbi->attr_tree->inode->i_mapping);
308 			if (!error)
309 				error = error2;
310 		} else {
311 			pr_err("sync non-existent attributes tree\n");
312 		}
313 	}
314 
315 	if (test_and_clear_bit(HFSPLUS_I_ALLOC_DIRTY, &hip->flags)) {
316 		error2 = filemap_write_and_wait(sbi->alloc_file->i_mapping);
317 		if (!error)
318 			error = error2;
319 	}
320 
321 	if (!test_bit(HFSPLUS_SB_NOBARRIER, &sbi->flags))
322 		blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL);
323 
324 	mutex_unlock(&inode->i_mutex);
325 
326 	return error;
327 }
328 
329 static const struct inode_operations hfsplus_file_inode_operations = {
330 	.setattr	= hfsplus_setattr,
331 	.setxattr	= generic_setxattr,
332 	.getxattr	= generic_getxattr,
333 	.listxattr	= hfsplus_listxattr,
334 	.removexattr	= generic_removexattr,
335 #ifdef CONFIG_HFSPLUS_FS_POSIX_ACL
336 	.get_acl	= hfsplus_get_posix_acl,
337 	.set_acl	= hfsplus_set_posix_acl,
338 #endif
339 };
340 
341 static const struct file_operations hfsplus_file_operations = {
342 	.llseek		= generic_file_llseek,
343 	.read		= do_sync_read,
344 	.aio_read	= generic_file_aio_read,
345 	.write		= do_sync_write,
346 	.aio_write	= generic_file_aio_write,
347 	.mmap		= generic_file_mmap,
348 	.splice_read	= generic_file_splice_read,
349 	.fsync		= hfsplus_file_fsync,
350 	.open		= hfsplus_file_open,
351 	.release	= hfsplus_file_release,
352 	.unlocked_ioctl = hfsplus_ioctl,
353 };
354 
355 struct inode *hfsplus_new_inode(struct super_block *sb, umode_t mode)
356 {
357 	struct hfsplus_sb_info *sbi = HFSPLUS_SB(sb);
358 	struct inode *inode = new_inode(sb);
359 	struct hfsplus_inode_info *hip;
360 
361 	if (!inode)
362 		return NULL;
363 
364 	inode->i_ino = sbi->next_cnid++;
365 	inode->i_mode = mode;
366 	inode->i_uid = current_fsuid();
367 	inode->i_gid = current_fsgid();
368 	set_nlink(inode, 1);
369 	inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC;
370 
371 	hip = HFSPLUS_I(inode);
372 	INIT_LIST_HEAD(&hip->open_dir_list);
373 	mutex_init(&hip->extents_lock);
374 	atomic_set(&hip->opencnt, 0);
375 	hip->extent_state = 0;
376 	hip->flags = 0;
377 	hip->userflags = 0;
378 	memset(hip->first_extents, 0, sizeof(hfsplus_extent_rec));
379 	memset(hip->cached_extents, 0, sizeof(hfsplus_extent_rec));
380 	hip->alloc_blocks = 0;
381 	hip->first_blocks = 0;
382 	hip->cached_start = 0;
383 	hip->cached_blocks = 0;
384 	hip->phys_size = 0;
385 	hip->fs_blocks = 0;
386 	hip->rsrc_inode = NULL;
387 	if (S_ISDIR(inode->i_mode)) {
388 		inode->i_size = 2;
389 		sbi->folder_count++;
390 		inode->i_op = &hfsplus_dir_inode_operations;
391 		inode->i_fop = &hfsplus_dir_operations;
392 	} else if (S_ISREG(inode->i_mode)) {
393 		sbi->file_count++;
394 		inode->i_op = &hfsplus_file_inode_operations;
395 		inode->i_fop = &hfsplus_file_operations;
396 		inode->i_mapping->a_ops = &hfsplus_aops;
397 		hip->clump_blocks = sbi->data_clump_blocks;
398 	} else if (S_ISLNK(inode->i_mode)) {
399 		sbi->file_count++;
400 		inode->i_op = &page_symlink_inode_operations;
401 		inode->i_mapping->a_ops = &hfsplus_aops;
402 		hip->clump_blocks = 1;
403 	} else
404 		sbi->file_count++;
405 	insert_inode_hash(inode);
406 	mark_inode_dirty(inode);
407 	hfsplus_mark_mdb_dirty(sb);
408 
409 	return inode;
410 }
411 
412 void hfsplus_delete_inode(struct inode *inode)
413 {
414 	struct super_block *sb = inode->i_sb;
415 
416 	if (S_ISDIR(inode->i_mode)) {
417 		HFSPLUS_SB(sb)->folder_count--;
418 		hfsplus_mark_mdb_dirty(sb);
419 		return;
420 	}
421 	HFSPLUS_SB(sb)->file_count--;
422 	if (S_ISREG(inode->i_mode)) {
423 		if (!inode->i_nlink) {
424 			inode->i_size = 0;
425 			hfsplus_file_truncate(inode);
426 		}
427 	} else if (S_ISLNK(inode->i_mode)) {
428 		inode->i_size = 0;
429 		hfsplus_file_truncate(inode);
430 	}
431 	hfsplus_mark_mdb_dirty(sb);
432 }
433 
434 void hfsplus_inode_read_fork(struct inode *inode, struct hfsplus_fork_raw *fork)
435 {
436 	struct super_block *sb = inode->i_sb;
437 	struct hfsplus_sb_info *sbi = HFSPLUS_SB(sb);
438 	struct hfsplus_inode_info *hip = HFSPLUS_I(inode);
439 	u32 count;
440 	int i;
441 
442 	memcpy(&hip->first_extents, &fork->extents, sizeof(hfsplus_extent_rec));
443 	for (count = 0, i = 0; i < 8; i++)
444 		count += be32_to_cpu(fork->extents[i].block_count);
445 	hip->first_blocks = count;
446 	memset(hip->cached_extents, 0, sizeof(hfsplus_extent_rec));
447 	hip->cached_start = 0;
448 	hip->cached_blocks = 0;
449 
450 	hip->alloc_blocks = be32_to_cpu(fork->total_blocks);
451 	hip->phys_size = inode->i_size = be64_to_cpu(fork->total_size);
452 	hip->fs_blocks =
453 		(inode->i_size + sb->s_blocksize - 1) >> sb->s_blocksize_bits;
454 	inode_set_bytes(inode, hip->fs_blocks << sb->s_blocksize_bits);
455 	hip->clump_blocks =
456 		be32_to_cpu(fork->clump_size) >> sbi->alloc_blksz_shift;
457 	if (!hip->clump_blocks) {
458 		hip->clump_blocks = HFSPLUS_IS_RSRC(inode) ?
459 			sbi->rsrc_clump_blocks :
460 			sbi->data_clump_blocks;
461 	}
462 }
463 
464 void hfsplus_inode_write_fork(struct inode *inode,
465 		struct hfsplus_fork_raw *fork)
466 {
467 	memcpy(&fork->extents, &HFSPLUS_I(inode)->first_extents,
468 	       sizeof(hfsplus_extent_rec));
469 	fork->total_size = cpu_to_be64(inode->i_size);
470 	fork->total_blocks = cpu_to_be32(HFSPLUS_I(inode)->alloc_blocks);
471 }
472 
473 int hfsplus_cat_read_inode(struct inode *inode, struct hfs_find_data *fd)
474 {
475 	hfsplus_cat_entry entry;
476 	int res = 0;
477 	u16 type;
478 
479 	type = hfs_bnode_read_u16(fd->bnode, fd->entryoffset);
480 
481 	HFSPLUS_I(inode)->linkid = 0;
482 	if (type == HFSPLUS_FOLDER) {
483 		struct hfsplus_cat_folder *folder = &entry.folder;
484 
485 		if (fd->entrylength < sizeof(struct hfsplus_cat_folder))
486 			/* panic? */;
487 		hfs_bnode_read(fd->bnode, &entry, fd->entryoffset,
488 					sizeof(struct hfsplus_cat_folder));
489 		hfsplus_get_perms(inode, &folder->permissions, 1);
490 		set_nlink(inode, 1);
491 		inode->i_size = 2 + be32_to_cpu(folder->valence);
492 		inode->i_atime = hfsp_mt2ut(folder->access_date);
493 		inode->i_mtime = hfsp_mt2ut(folder->content_mod_date);
494 		inode->i_ctime = hfsp_mt2ut(folder->attribute_mod_date);
495 		HFSPLUS_I(inode)->create_date = folder->create_date;
496 		HFSPLUS_I(inode)->fs_blocks = 0;
497 		inode->i_op = &hfsplus_dir_inode_operations;
498 		inode->i_fop = &hfsplus_dir_operations;
499 	} else if (type == HFSPLUS_FILE) {
500 		struct hfsplus_cat_file *file = &entry.file;
501 
502 		if (fd->entrylength < sizeof(struct hfsplus_cat_file))
503 			/* panic? */;
504 		hfs_bnode_read(fd->bnode, &entry, fd->entryoffset,
505 					sizeof(struct hfsplus_cat_file));
506 
507 		hfsplus_inode_read_fork(inode, HFSPLUS_IS_RSRC(inode) ?
508 					&file->rsrc_fork : &file->data_fork);
509 		hfsplus_get_perms(inode, &file->permissions, 0);
510 		set_nlink(inode, 1);
511 		if (S_ISREG(inode->i_mode)) {
512 			if (file->permissions.dev)
513 				set_nlink(inode,
514 					  be32_to_cpu(file->permissions.dev));
515 			inode->i_op = &hfsplus_file_inode_operations;
516 			inode->i_fop = &hfsplus_file_operations;
517 			inode->i_mapping->a_ops = &hfsplus_aops;
518 		} else if (S_ISLNK(inode->i_mode)) {
519 			inode->i_op = &page_symlink_inode_operations;
520 			inode->i_mapping->a_ops = &hfsplus_aops;
521 		} else {
522 			init_special_inode(inode, inode->i_mode,
523 					   be32_to_cpu(file->permissions.dev));
524 		}
525 		inode->i_atime = hfsp_mt2ut(file->access_date);
526 		inode->i_mtime = hfsp_mt2ut(file->content_mod_date);
527 		inode->i_ctime = hfsp_mt2ut(file->attribute_mod_date);
528 		HFSPLUS_I(inode)->create_date = file->create_date;
529 	} else {
530 		pr_err("bad catalog entry used to create inode\n");
531 		res = -EIO;
532 	}
533 	return res;
534 }
535 
536 int hfsplus_cat_write_inode(struct inode *inode)
537 {
538 	struct inode *main_inode = inode;
539 	struct hfs_find_data fd;
540 	hfsplus_cat_entry entry;
541 
542 	if (HFSPLUS_IS_RSRC(inode))
543 		main_inode = HFSPLUS_I(inode)->rsrc_inode;
544 
545 	if (!main_inode->i_nlink)
546 		return 0;
547 
548 	if (hfs_find_init(HFSPLUS_SB(main_inode->i_sb)->cat_tree, &fd))
549 		/* panic? */
550 		return -EIO;
551 
552 	if (hfsplus_find_cat(main_inode->i_sb, main_inode->i_ino, &fd))
553 		/* panic? */
554 		goto out;
555 
556 	if (S_ISDIR(main_inode->i_mode)) {
557 		struct hfsplus_cat_folder *folder = &entry.folder;
558 
559 		if (fd.entrylength < sizeof(struct hfsplus_cat_folder))
560 			/* panic? */;
561 		hfs_bnode_read(fd.bnode, &entry, fd.entryoffset,
562 					sizeof(struct hfsplus_cat_folder));
563 		/* simple node checks? */
564 		hfsplus_cat_set_perms(inode, &folder->permissions);
565 		folder->access_date = hfsp_ut2mt(inode->i_atime);
566 		folder->content_mod_date = hfsp_ut2mt(inode->i_mtime);
567 		folder->attribute_mod_date = hfsp_ut2mt(inode->i_ctime);
568 		folder->valence = cpu_to_be32(inode->i_size - 2);
569 		hfs_bnode_write(fd.bnode, &entry, fd.entryoffset,
570 					 sizeof(struct hfsplus_cat_folder));
571 	} else if (HFSPLUS_IS_RSRC(inode)) {
572 		struct hfsplus_cat_file *file = &entry.file;
573 		hfs_bnode_read(fd.bnode, &entry, fd.entryoffset,
574 			       sizeof(struct hfsplus_cat_file));
575 		hfsplus_inode_write_fork(inode, &file->rsrc_fork);
576 		hfs_bnode_write(fd.bnode, &entry, fd.entryoffset,
577 				sizeof(struct hfsplus_cat_file));
578 	} else {
579 		struct hfsplus_cat_file *file = &entry.file;
580 
581 		if (fd.entrylength < sizeof(struct hfsplus_cat_file))
582 			/* panic? */;
583 		hfs_bnode_read(fd.bnode, &entry, fd.entryoffset,
584 					sizeof(struct hfsplus_cat_file));
585 		hfsplus_inode_write_fork(inode, &file->data_fork);
586 		hfsplus_cat_set_perms(inode, &file->permissions);
587 		if (HFSPLUS_FLG_IMMUTABLE &
588 				(file->permissions.rootflags |
589 					file->permissions.userflags))
590 			file->flags |= cpu_to_be16(HFSPLUS_FILE_LOCKED);
591 		else
592 			file->flags &= cpu_to_be16(~HFSPLUS_FILE_LOCKED);
593 		file->access_date = hfsp_ut2mt(inode->i_atime);
594 		file->content_mod_date = hfsp_ut2mt(inode->i_mtime);
595 		file->attribute_mod_date = hfsp_ut2mt(inode->i_ctime);
596 		hfs_bnode_write(fd.bnode, &entry, fd.entryoffset,
597 					 sizeof(struct hfsplus_cat_file));
598 	}
599 
600 	set_bit(HFSPLUS_I_CAT_DIRTY, &HFSPLUS_I(inode)->flags);
601 out:
602 	hfs_find_exit(&fd);
603 	return 0;
604 }
605