1 // SPDX-License-Identifier: GPL-2.0
3 * linux/fs/hfsplus/inode.c
6 * Brad Boyer (flar@allandria.com)
7 * (C) 2003 Ardis Technologies <roman@ardistech.com>
9 * Inode handling routines
12 #include <linux/blkdev.h>
15 #include <linux/pagemap.h>
16 #include <linux/mpage.h>
17 #include <linux/sched.h>
18 #include <linux/cred.h>
19 #include <linux/uio.h>
20 #include <linux/fileattr.h>
22 #include "hfsplus_fs.h"
23 #include "hfsplus_raw.h"
26 static int hfsplus_readpage(struct file
*file
, struct page
*page
)
28 return block_read_full_page(page
, hfsplus_get_block
);
31 static int hfsplus_writepage(struct page
*page
, struct writeback_control
*wbc
)
33 return block_write_full_page(page
, hfsplus_get_block
, wbc
);
36 static void hfsplus_write_failed(struct address_space
*mapping
, loff_t to
)
38 struct inode
*inode
= mapping
->host
;
40 if (to
> inode
->i_size
) {
41 truncate_pagecache(inode
, inode
->i_size
);
42 hfsplus_file_truncate(inode
);
46 static int hfsplus_write_begin(struct file
*file
, struct address_space
*mapping
,
47 loff_t pos
, unsigned len
, unsigned flags
,
48 struct page
**pagep
, void **fsdata
)
53 ret
= cont_write_begin(file
, mapping
, pos
, len
, flags
, pagep
, fsdata
,
55 &HFSPLUS_I(mapping
->host
)->phys_size
);
57 hfsplus_write_failed(mapping
, pos
+ len
);
62 static sector_t
hfsplus_bmap(struct address_space
*mapping
, sector_t block
)
64 return generic_block_bmap(mapping
, block
, hfsplus_get_block
);
67 static int hfsplus_releasepage(struct page
*page
, gfp_t mask
)
69 struct inode
*inode
= page
->mapping
->host
;
70 struct super_block
*sb
= inode
->i_sb
;
71 struct hfs_btree
*tree
;
72 struct hfs_bnode
*node
;
76 switch (inode
->i_ino
) {
77 case HFSPLUS_EXT_CNID
:
78 tree
= HFSPLUS_SB(sb
)->ext_tree
;
80 case HFSPLUS_CAT_CNID
:
81 tree
= HFSPLUS_SB(sb
)->cat_tree
;
83 case HFSPLUS_ATTR_CNID
:
84 tree
= HFSPLUS_SB(sb
)->attr_tree
;
92 if (tree
->node_size
>= PAGE_SIZE
) {
94 (tree
->node_size_shift
- PAGE_SHIFT
);
95 spin_lock(&tree
->hash_lock
);
96 node
= hfs_bnode_findhash(tree
, nidx
);
99 else if (atomic_read(&node
->refcnt
))
102 hfs_bnode_unhash(node
);
103 hfs_bnode_free(node
);
105 spin_unlock(&tree
->hash_lock
);
107 nidx
= page
->index
<<
108 (PAGE_SHIFT
- tree
->node_size_shift
);
109 i
= 1 << (PAGE_SHIFT
- tree
->node_size_shift
);
110 spin_lock(&tree
->hash_lock
);
112 node
= hfs_bnode_findhash(tree
, nidx
++);
115 if (atomic_read(&node
->refcnt
)) {
119 hfs_bnode_unhash(node
);
120 hfs_bnode_free(node
);
121 } while (--i
&& nidx
< tree
->node_count
);
122 spin_unlock(&tree
->hash_lock
);
124 return res
? try_to_free_buffers(page
) : 0;
127 static ssize_t
hfsplus_direct_IO(struct kiocb
*iocb
, struct iov_iter
*iter
)
129 struct file
*file
= iocb
->ki_filp
;
130 struct address_space
*mapping
= file
->f_mapping
;
131 struct inode
*inode
= mapping
->host
;
132 size_t count
= iov_iter_count(iter
);
135 ret
= blockdev_direct_IO(iocb
, inode
, iter
, hfsplus_get_block
);
138 * In case of error extending write may have instantiated a few
139 * blocks outside i_size. Trim these off again.
141 if (unlikely(iov_iter_rw(iter
) == WRITE
&& ret
< 0)) {
142 loff_t isize
= i_size_read(inode
);
143 loff_t end
= iocb
->ki_pos
+ count
;
146 hfsplus_write_failed(mapping
, end
);
152 static int hfsplus_writepages(struct address_space
*mapping
,
153 struct writeback_control
*wbc
)
155 return mpage_writepages(mapping
, wbc
, hfsplus_get_block
);
158 const struct address_space_operations hfsplus_btree_aops
= {
159 .set_page_dirty
= __set_page_dirty_buffers
,
160 .readpage
= hfsplus_readpage
,
161 .writepage
= hfsplus_writepage
,
162 .write_begin
= hfsplus_write_begin
,
163 .write_end
= generic_write_end
,
164 .bmap
= hfsplus_bmap
,
165 .releasepage
= hfsplus_releasepage
,
168 const struct address_space_operations hfsplus_aops
= {
169 .set_page_dirty
= __set_page_dirty_buffers
,
170 .readpage
= hfsplus_readpage
,
171 .writepage
= hfsplus_writepage
,
172 .write_begin
= hfsplus_write_begin
,
173 .write_end
= generic_write_end
,
174 .bmap
= hfsplus_bmap
,
175 .direct_IO
= hfsplus_direct_IO
,
176 .writepages
= hfsplus_writepages
,
179 const struct dentry_operations hfsplus_dentry_operations
= {
180 .d_hash
= hfsplus_hash_dentry
,
181 .d_compare
= hfsplus_compare_dentry
,
184 static void hfsplus_get_perms(struct inode
*inode
,
185 struct hfsplus_perm
*perms
, int dir
)
187 struct hfsplus_sb_info
*sbi
= HFSPLUS_SB(inode
->i_sb
);
190 mode
= be16_to_cpu(perms
->mode
);
192 i_uid_write(inode
, be32_to_cpu(perms
->owner
));
193 if (!i_uid_read(inode
) && !mode
)
194 inode
->i_uid
= sbi
->uid
;
196 i_gid_write(inode
, be32_to_cpu(perms
->group
));
197 if (!i_gid_read(inode
) && !mode
)
198 inode
->i_gid
= sbi
->gid
;
201 mode
= mode
? (mode
& S_IALLUGO
) : (S_IRWXUGO
& ~(sbi
->umask
));
204 mode
= S_IFREG
| ((S_IRUGO
|S_IWUGO
) & ~(sbi
->umask
));
205 inode
->i_mode
= mode
;
207 HFSPLUS_I(inode
)->userflags
= perms
->userflags
;
208 if (perms
->rootflags
& HFSPLUS_FLG_IMMUTABLE
)
209 inode
->i_flags
|= S_IMMUTABLE
;
211 inode
->i_flags
&= ~S_IMMUTABLE
;
212 if (perms
->rootflags
& HFSPLUS_FLG_APPEND
)
213 inode
->i_flags
|= S_APPEND
;
215 inode
->i_flags
&= ~S_APPEND
;
218 static int hfsplus_file_open(struct inode
*inode
, struct file
*file
)
220 if (HFSPLUS_IS_RSRC(inode
))
221 inode
= HFSPLUS_I(inode
)->rsrc_inode
;
222 if (!(file
->f_flags
& O_LARGEFILE
) && i_size_read(inode
) > MAX_NON_LFS
)
224 atomic_inc(&HFSPLUS_I(inode
)->opencnt
);
228 static int hfsplus_file_release(struct inode
*inode
, struct file
*file
)
230 struct super_block
*sb
= inode
->i_sb
;
232 if (HFSPLUS_IS_RSRC(inode
))
233 inode
= HFSPLUS_I(inode
)->rsrc_inode
;
234 if (atomic_dec_and_test(&HFSPLUS_I(inode
)->opencnt
)) {
236 hfsplus_file_truncate(inode
);
237 if (inode
->i_flags
& S_DEAD
) {
238 hfsplus_delete_cat(inode
->i_ino
,
239 HFSPLUS_SB(sb
)->hidden_dir
, NULL
);
240 hfsplus_delete_inode(inode
);
247 static int hfsplus_setattr(struct user_namespace
*mnt_userns
,
248 struct dentry
*dentry
, struct iattr
*attr
)
250 struct inode
*inode
= d_inode(dentry
);
253 error
= setattr_prepare(&init_user_ns
, dentry
, attr
);
257 if ((attr
->ia_valid
& ATTR_SIZE
) &&
258 attr
->ia_size
!= i_size_read(inode
)) {
259 inode_dio_wait(inode
);
260 if (attr
->ia_size
> inode
->i_size
) {
261 error
= generic_cont_expand_simple(inode
,
266 truncate_setsize(inode
, attr
->ia_size
);
267 hfsplus_file_truncate(inode
);
268 inode
->i_mtime
= inode
->i_ctime
= current_time(inode
);
271 setattr_copy(&init_user_ns
, inode
, attr
);
272 mark_inode_dirty(inode
);
277 int hfsplus_getattr(struct user_namespace
*mnt_userns
, const struct path
*path
,
278 struct kstat
*stat
, u32 request_mask
,
279 unsigned int query_flags
)
281 struct inode
*inode
= d_inode(path
->dentry
);
282 struct hfsplus_inode_info
*hip
= HFSPLUS_I(inode
);
284 if (request_mask
& STATX_BTIME
) {
285 stat
->result_mask
|= STATX_BTIME
;
286 stat
->btime
= hfsp_mt2ut(hip
->create_date
);
289 if (inode
->i_flags
& S_APPEND
)
290 stat
->attributes
|= STATX_ATTR_APPEND
;
291 if (inode
->i_flags
& S_IMMUTABLE
)
292 stat
->attributes
|= STATX_ATTR_IMMUTABLE
;
293 if (hip
->userflags
& HFSPLUS_FLG_NODUMP
)
294 stat
->attributes
|= STATX_ATTR_NODUMP
;
296 stat
->attributes_mask
|= STATX_ATTR_APPEND
| STATX_ATTR_IMMUTABLE
|
299 generic_fillattr(&init_user_ns
, inode
, stat
);
303 int hfsplus_file_fsync(struct file
*file
, loff_t start
, loff_t end
,
306 struct inode
*inode
= file
->f_mapping
->host
;
307 struct hfsplus_inode_info
*hip
= HFSPLUS_I(inode
);
308 struct hfsplus_sb_info
*sbi
= HFSPLUS_SB(inode
->i_sb
);
309 int error
= 0, error2
;
311 error
= file_write_and_wait_range(file
, start
, end
);
317 * Sync inode metadata into the catalog and extent trees.
319 sync_inode_metadata(inode
, 1);
322 * And explicitly write out the btrees.
324 if (test_and_clear_bit(HFSPLUS_I_CAT_DIRTY
, &hip
->flags
))
325 error
= filemap_write_and_wait(sbi
->cat_tree
->inode
->i_mapping
);
327 if (test_and_clear_bit(HFSPLUS_I_EXT_DIRTY
, &hip
->flags
)) {
329 filemap_write_and_wait(sbi
->ext_tree
->inode
->i_mapping
);
334 if (test_and_clear_bit(HFSPLUS_I_ATTR_DIRTY
, &hip
->flags
)) {
335 if (sbi
->attr_tree
) {
337 filemap_write_and_wait(
338 sbi
->attr_tree
->inode
->i_mapping
);
342 pr_err("sync non-existent attributes tree\n");
346 if (test_and_clear_bit(HFSPLUS_I_ALLOC_DIRTY
, &hip
->flags
)) {
347 error2
= filemap_write_and_wait(sbi
->alloc_file
->i_mapping
);
352 if (!test_bit(HFSPLUS_SB_NOBARRIER
, &sbi
->flags
))
353 blkdev_issue_flush(inode
->i_sb
->s_bdev
);
360 static const struct inode_operations hfsplus_file_inode_operations
= {
361 .setattr
= hfsplus_setattr
,
362 .getattr
= hfsplus_getattr
,
363 .listxattr
= hfsplus_listxattr
,
364 .fileattr_get
= hfsplus_fileattr_get
,
365 .fileattr_set
= hfsplus_fileattr_set
,
368 static const struct file_operations hfsplus_file_operations
= {
369 .llseek
= generic_file_llseek
,
370 .read_iter
= generic_file_read_iter
,
371 .write_iter
= generic_file_write_iter
,
372 .mmap
= generic_file_mmap
,
373 .splice_read
= generic_file_splice_read
,
374 .fsync
= hfsplus_file_fsync
,
375 .open
= hfsplus_file_open
,
376 .release
= hfsplus_file_release
,
377 .unlocked_ioctl
= hfsplus_ioctl
,
380 struct inode
*hfsplus_new_inode(struct super_block
*sb
, struct inode
*dir
,
383 struct hfsplus_sb_info
*sbi
= HFSPLUS_SB(sb
);
384 struct inode
*inode
= new_inode(sb
);
385 struct hfsplus_inode_info
*hip
;
390 inode
->i_ino
= sbi
->next_cnid
++;
391 inode_init_owner(&init_user_ns
, inode
, dir
, mode
);
393 inode
->i_mtime
= inode
->i_atime
= inode
->i_ctime
= current_time(inode
);
395 hip
= HFSPLUS_I(inode
);
396 INIT_LIST_HEAD(&hip
->open_dir_list
);
397 spin_lock_init(&hip
->open_dir_lock
);
398 mutex_init(&hip
->extents_lock
);
399 atomic_set(&hip
->opencnt
, 0);
400 hip
->extent_state
= 0;
404 memset(hip
->first_extents
, 0, sizeof(hfsplus_extent_rec
));
405 memset(hip
->cached_extents
, 0, sizeof(hfsplus_extent_rec
));
406 hip
->alloc_blocks
= 0;
407 hip
->first_blocks
= 0;
408 hip
->cached_start
= 0;
409 hip
->cached_blocks
= 0;
412 hip
->rsrc_inode
= NULL
;
413 if (S_ISDIR(inode
->i_mode
)) {
416 inode
->i_op
= &hfsplus_dir_inode_operations
;
417 inode
->i_fop
= &hfsplus_dir_operations
;
418 } else if (S_ISREG(inode
->i_mode
)) {
420 inode
->i_op
= &hfsplus_file_inode_operations
;
421 inode
->i_fop
= &hfsplus_file_operations
;
422 inode
->i_mapping
->a_ops
= &hfsplus_aops
;
423 hip
->clump_blocks
= sbi
->data_clump_blocks
;
424 } else if (S_ISLNK(inode
->i_mode
)) {
426 inode
->i_op
= &page_symlink_inode_operations
;
427 inode_nohighmem(inode
);
428 inode
->i_mapping
->a_ops
= &hfsplus_aops
;
429 hip
->clump_blocks
= 1;
432 insert_inode_hash(inode
);
433 mark_inode_dirty(inode
);
434 hfsplus_mark_mdb_dirty(sb
);
439 void hfsplus_delete_inode(struct inode
*inode
)
441 struct super_block
*sb
= inode
->i_sb
;
443 if (S_ISDIR(inode
->i_mode
)) {
444 HFSPLUS_SB(sb
)->folder_count
--;
445 hfsplus_mark_mdb_dirty(sb
);
448 HFSPLUS_SB(sb
)->file_count
--;
449 if (S_ISREG(inode
->i_mode
)) {
450 if (!inode
->i_nlink
) {
452 hfsplus_file_truncate(inode
);
454 } else if (S_ISLNK(inode
->i_mode
)) {
456 hfsplus_file_truncate(inode
);
458 hfsplus_mark_mdb_dirty(sb
);
461 void hfsplus_inode_read_fork(struct inode
*inode
, struct hfsplus_fork_raw
*fork
)
463 struct super_block
*sb
= inode
->i_sb
;
464 struct hfsplus_sb_info
*sbi
= HFSPLUS_SB(sb
);
465 struct hfsplus_inode_info
*hip
= HFSPLUS_I(inode
);
469 memcpy(&hip
->first_extents
, &fork
->extents
, sizeof(hfsplus_extent_rec
));
470 for (count
= 0, i
= 0; i
< 8; i
++)
471 count
+= be32_to_cpu(fork
->extents
[i
].block_count
);
472 hip
->first_blocks
= count
;
473 memset(hip
->cached_extents
, 0, sizeof(hfsplus_extent_rec
));
474 hip
->cached_start
= 0;
475 hip
->cached_blocks
= 0;
477 hip
->alloc_blocks
= be32_to_cpu(fork
->total_blocks
);
478 hip
->phys_size
= inode
->i_size
= be64_to_cpu(fork
->total_size
);
480 (inode
->i_size
+ sb
->s_blocksize
- 1) >> sb
->s_blocksize_bits
;
481 inode_set_bytes(inode
, hip
->fs_blocks
<< sb
->s_blocksize_bits
);
483 be32_to_cpu(fork
->clump_size
) >> sbi
->alloc_blksz_shift
;
484 if (!hip
->clump_blocks
) {
485 hip
->clump_blocks
= HFSPLUS_IS_RSRC(inode
) ?
486 sbi
->rsrc_clump_blocks
:
487 sbi
->data_clump_blocks
;
491 void hfsplus_inode_write_fork(struct inode
*inode
,
492 struct hfsplus_fork_raw
*fork
)
494 memcpy(&fork
->extents
, &HFSPLUS_I(inode
)->first_extents
,
495 sizeof(hfsplus_extent_rec
));
496 fork
->total_size
= cpu_to_be64(inode
->i_size
);
497 fork
->total_blocks
= cpu_to_be32(HFSPLUS_I(inode
)->alloc_blocks
);
500 int hfsplus_cat_read_inode(struct inode
*inode
, struct hfs_find_data
*fd
)
502 hfsplus_cat_entry entry
;
506 type
= hfs_bnode_read_u16(fd
->bnode
, fd
->entryoffset
);
508 HFSPLUS_I(inode
)->linkid
= 0;
509 if (type
== HFSPLUS_FOLDER
) {
510 struct hfsplus_cat_folder
*folder
= &entry
.folder
;
512 if (fd
->entrylength
< sizeof(struct hfsplus_cat_folder
))
514 hfs_bnode_read(fd
->bnode
, &entry
, fd
->entryoffset
,
515 sizeof(struct hfsplus_cat_folder
));
516 hfsplus_get_perms(inode
, &folder
->permissions
, 1);
518 inode
->i_size
= 2 + be32_to_cpu(folder
->valence
);
519 inode
->i_atime
= hfsp_mt2ut(folder
->access_date
);
520 inode
->i_mtime
= hfsp_mt2ut(folder
->content_mod_date
);
521 inode
->i_ctime
= hfsp_mt2ut(folder
->attribute_mod_date
);
522 HFSPLUS_I(inode
)->create_date
= folder
->create_date
;
523 HFSPLUS_I(inode
)->fs_blocks
= 0;
524 if (folder
->flags
& cpu_to_be16(HFSPLUS_HAS_FOLDER_COUNT
)) {
525 HFSPLUS_I(inode
)->subfolders
=
526 be32_to_cpu(folder
->subfolders
);
528 inode
->i_op
= &hfsplus_dir_inode_operations
;
529 inode
->i_fop
= &hfsplus_dir_operations
;
530 } else if (type
== HFSPLUS_FILE
) {
531 struct hfsplus_cat_file
*file
= &entry
.file
;
533 if (fd
->entrylength
< sizeof(struct hfsplus_cat_file
))
535 hfs_bnode_read(fd
->bnode
, &entry
, fd
->entryoffset
,
536 sizeof(struct hfsplus_cat_file
));
538 hfsplus_inode_read_fork(inode
, HFSPLUS_IS_RSRC(inode
) ?
539 &file
->rsrc_fork
: &file
->data_fork
);
540 hfsplus_get_perms(inode
, &file
->permissions
, 0);
542 if (S_ISREG(inode
->i_mode
)) {
543 if (file
->permissions
.dev
)
545 be32_to_cpu(file
->permissions
.dev
));
546 inode
->i_op
= &hfsplus_file_inode_operations
;
547 inode
->i_fop
= &hfsplus_file_operations
;
548 inode
->i_mapping
->a_ops
= &hfsplus_aops
;
549 } else if (S_ISLNK(inode
->i_mode
)) {
550 inode
->i_op
= &page_symlink_inode_operations
;
551 inode_nohighmem(inode
);
552 inode
->i_mapping
->a_ops
= &hfsplus_aops
;
554 init_special_inode(inode
, inode
->i_mode
,
555 be32_to_cpu(file
->permissions
.dev
));
557 inode
->i_atime
= hfsp_mt2ut(file
->access_date
);
558 inode
->i_mtime
= hfsp_mt2ut(file
->content_mod_date
);
559 inode
->i_ctime
= hfsp_mt2ut(file
->attribute_mod_date
);
560 HFSPLUS_I(inode
)->create_date
= file
->create_date
;
562 pr_err("bad catalog entry used to create inode\n");
568 int hfsplus_cat_write_inode(struct inode
*inode
)
570 struct inode
*main_inode
= inode
;
571 struct hfs_find_data fd
;
572 hfsplus_cat_entry entry
;
574 if (HFSPLUS_IS_RSRC(inode
))
575 main_inode
= HFSPLUS_I(inode
)->rsrc_inode
;
577 if (!main_inode
->i_nlink
)
580 if (hfs_find_init(HFSPLUS_SB(main_inode
->i_sb
)->cat_tree
, &fd
))
584 if (hfsplus_find_cat(main_inode
->i_sb
, main_inode
->i_ino
, &fd
))
588 if (S_ISDIR(main_inode
->i_mode
)) {
589 struct hfsplus_cat_folder
*folder
= &entry
.folder
;
591 if (fd
.entrylength
< sizeof(struct hfsplus_cat_folder
))
593 hfs_bnode_read(fd
.bnode
, &entry
, fd
.entryoffset
,
594 sizeof(struct hfsplus_cat_folder
));
595 /* simple node checks? */
596 hfsplus_cat_set_perms(inode
, &folder
->permissions
);
597 folder
->access_date
= hfsp_ut2mt(inode
->i_atime
);
598 folder
->content_mod_date
= hfsp_ut2mt(inode
->i_mtime
);
599 folder
->attribute_mod_date
= hfsp_ut2mt(inode
->i_ctime
);
600 folder
->valence
= cpu_to_be32(inode
->i_size
- 2);
601 if (folder
->flags
& cpu_to_be16(HFSPLUS_HAS_FOLDER_COUNT
)) {
603 cpu_to_be32(HFSPLUS_I(inode
)->subfolders
);
605 hfs_bnode_write(fd
.bnode
, &entry
, fd
.entryoffset
,
606 sizeof(struct hfsplus_cat_folder
));
607 } else if (HFSPLUS_IS_RSRC(inode
)) {
608 struct hfsplus_cat_file
*file
= &entry
.file
;
609 hfs_bnode_read(fd
.bnode
, &entry
, fd
.entryoffset
,
610 sizeof(struct hfsplus_cat_file
));
611 hfsplus_inode_write_fork(inode
, &file
->rsrc_fork
);
612 hfs_bnode_write(fd
.bnode
, &entry
, fd
.entryoffset
,
613 sizeof(struct hfsplus_cat_file
));
615 struct hfsplus_cat_file
*file
= &entry
.file
;
617 if (fd
.entrylength
< sizeof(struct hfsplus_cat_file
))
619 hfs_bnode_read(fd
.bnode
, &entry
, fd
.entryoffset
,
620 sizeof(struct hfsplus_cat_file
));
621 hfsplus_inode_write_fork(inode
, &file
->data_fork
);
622 hfsplus_cat_set_perms(inode
, &file
->permissions
);
623 if (HFSPLUS_FLG_IMMUTABLE
&
624 (file
->permissions
.rootflags
|
625 file
->permissions
.userflags
))
626 file
->flags
|= cpu_to_be16(HFSPLUS_FILE_LOCKED
);
628 file
->flags
&= cpu_to_be16(~HFSPLUS_FILE_LOCKED
);
629 file
->access_date
= hfsp_ut2mt(inode
->i_atime
);
630 file
->content_mod_date
= hfsp_ut2mt(inode
->i_mtime
);
631 file
->attribute_mod_date
= hfsp_ut2mt(inode
->i_ctime
);
632 hfs_bnode_write(fd
.bnode
, &entry
, fd
.entryoffset
,
633 sizeof(struct hfsplus_cat_file
));
636 set_bit(HFSPLUS_I_CAT_DIRTY
, &HFSPLUS_I(inode
)->flags
);
642 int hfsplus_fileattr_get(struct dentry
*dentry
, struct fileattr
*fa
)
644 struct inode
*inode
= d_inode(dentry
);
645 struct hfsplus_inode_info
*hip
= HFSPLUS_I(inode
);
646 unsigned int flags
= 0;
648 if (inode
->i_flags
& S_IMMUTABLE
)
649 flags
|= FS_IMMUTABLE_FL
;
650 if (inode
->i_flags
& S_APPEND
)
651 flags
|= FS_APPEND_FL
;
652 if (hip
->userflags
& HFSPLUS_FLG_NODUMP
)
653 flags
|= FS_NODUMP_FL
;
655 fileattr_fill_flags(fa
, flags
);
660 int hfsplus_fileattr_set(struct user_namespace
*mnt_userns
,
661 struct dentry
*dentry
, struct fileattr
*fa
)
663 struct inode
*inode
= d_inode(dentry
);
664 struct hfsplus_inode_info
*hip
= HFSPLUS_I(inode
);
665 unsigned int new_fl
= 0;
667 if (fileattr_has_fsx(fa
))
670 /* don't silently ignore unsupported ext2 flags */
671 if (fa
->flags
& ~(FS_IMMUTABLE_FL
|FS_APPEND_FL
|FS_NODUMP_FL
))
674 if (fa
->flags
& FS_IMMUTABLE_FL
)
675 new_fl
|= S_IMMUTABLE
;
677 if (fa
->flags
& FS_APPEND_FL
)
680 inode_set_flags(inode
, new_fl
, S_IMMUTABLE
| S_APPEND
);
682 if (fa
->flags
& FS_NODUMP_FL
)
683 hip
->userflags
|= HFSPLUS_FLG_NODUMP
;
685 hip
->userflags
&= ~HFSPLUS_FLG_NODUMP
;
687 inode
->i_ctime
= current_time(inode
);
688 mark_inode_dirty(inode
);