blob: 2b9cd01696e2081a7a003ff3e52d261eb51db51c [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * linux/include/linux/hfsplus_fs.h
3 *
4 * Copyright (C) 1999
5 * Brad Boyer (flar@pants.nu)
6 * (C) 2003 Ardis Technologies <roman@ardistech.com>
7 *
8 */
9
10#ifndef _LINUX_HFSPLUS_FS_H
11#define _LINUX_HFSPLUS_FS_H
12
Joe Perchesd6142672013-04-30 15:27:55 -070013#ifdef pr_fmt
14#undef pr_fmt
15#endif
16
17#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
18
Linus Torvalds1da177e2005-04-16 15:20:36 -070019#include <linux/fs.h>
Matthias Kaehlcke895c23f2008-07-25 01:46:36 -070020#include <linux/mutex.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070021#include <linux/buffer_head.h>
Seth Forshee65965282011-07-18 08:06:23 -070022#include <linux/blkdev.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070023#include "hfsplus_raw.h"
24
25#define DBG_BNODE_REFS 0x00000001
26#define DBG_BNODE_MOD 0x00000002
27#define DBG_CAT_MOD 0x00000004
28#define DBG_INODE 0x00000008
29#define DBG_SUPER 0x00000010
30#define DBG_EXTENT 0x00000020
31#define DBG_BITMAP 0x00000040
Vyacheslav Dubeyko324ef392013-02-27 17:03:04 -080032#define DBG_ATTR_MOD 0x00000080
Vyacheslav Dubeyko2c920572013-09-11 14:24:28 -070033#define DBG_ACL_MOD 0x00000100
Linus Torvalds1da177e2005-04-16 15:20:36 -070034
Anton Salikhmetov21f22962010-12-16 18:08:39 +020035#if 0
36#define DBG_MASK (DBG_EXTENT|DBG_INODE|DBG_BNODE_MOD)
37#define DBG_MASK (DBG_BNODE_MOD|DBG_CAT_MOD|DBG_INODE)
38#define DBG_MASK (DBG_CAT_MOD|DBG_BNODE_REFS|DBG_INODE|DBG_EXTENT)
39#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070040#define DBG_MASK (0)
41
Joe Perchesd6142672013-04-30 15:27:55 -070042#define hfs_dbg(flg, fmt, ...) \
43do { \
44 if (DBG_##flg & DBG_MASK) \
45 printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__); \
Joe Perchesc2b3e1f2013-04-30 15:27:54 -070046} while (0)
47
Joe Perchesd6142672013-04-30 15:27:55 -070048#define hfs_dbg_cont(flg, fmt, ...) \
49do { \
50 if (DBG_##flg & DBG_MASK) \
51 pr_cont(fmt, ##__VA_ARGS__); \
Joe Perchesc2b3e1f2013-04-30 15:27:54 -070052} while (0)
Linus Torvalds1da177e2005-04-16 15:20:36 -070053
54/* Runtime config options */
55#define HFSPLUS_DEF_CR_TYPE 0x3F3F3F3F /* '????' */
56
57#define HFSPLUS_TYPE_DATA 0x00
58#define HFSPLUS_TYPE_RSRC 0xFF
59
Anton Salikhmetov2753cc22010-12-16 18:08:38 +020060typedef int (*btree_keycmp)(const hfsplus_btree_key *,
61 const hfsplus_btree_key *);
Linus Torvalds1da177e2005-04-16 15:20:36 -070062
63#define NODE_HASH_SIZE 256
64
Vyacheslav Dubeyko324ef392013-02-27 17:03:04 -080065/* B-tree mutex nested subclasses */
66enum hfsplus_btree_mutex_classes {
67 CATALOG_BTREE_MUTEX,
68 EXTENTS_BTREE_MUTEX,
69 ATTR_BTREE_MUTEX,
70};
71
Linus Torvalds1da177e2005-04-16 15:20:36 -070072/* An HFS+ BTree held in memory */
73struct hfs_btree {
74 struct super_block *sb;
75 struct inode *inode;
76 btree_keycmp keycmp;
77
78 u32 cnid;
79 u32 root;
80 u32 leaf_count;
81 u32 leaf_head;
82 u32 leaf_tail;
83 u32 node_count;
84 u32 free_nodes;
85 u32 attributes;
86
87 unsigned int node_size;
88 unsigned int node_size_shift;
89 unsigned int max_key_len;
90 unsigned int depth;
91
Thomas Gleixner467c3d92010-10-01 05:46:52 +020092 struct mutex tree_lock;
Linus Torvalds1da177e2005-04-16 15:20:36 -070093
94 unsigned int pages_per_bnode;
95 spinlock_t hash_lock;
96 struct hfs_bnode *node_hash[NODE_HASH_SIZE];
97 int node_hash_cnt;
98};
99
100struct page;
101
102/* An HFS+ BTree node in memory */
103struct hfs_bnode {
104 struct hfs_btree *tree;
105
106 u32 prev;
107 u32 this;
108 u32 next;
109 u32 parent;
110
111 u16 num_recs;
112 u8 type;
113 u8 height;
114
115 struct hfs_bnode *next_hash;
116 unsigned long flags;
117 wait_queue_head_t lock_wq;
118 atomic_t refcnt;
119 unsigned int page_offset;
120 struct page *page[0];
121};
122
123#define HFS_BNODE_LOCK 0
124#define HFS_BNODE_ERROR 1
125#define HFS_BNODE_NEW 2
126#define HFS_BNODE_DIRTY 3
127#define HFS_BNODE_DELETED 4
128
129/*
130 * HFS+ superblock info (built from Volume Header on disk)
131 */
132
133struct hfsplus_vh;
134struct hfs_btree;
135
136struct hfsplus_sb_info {
Seth Forshee65965282011-07-18 08:06:23 -0700137 void *s_vhdr_buf;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700138 struct hfsplus_vh *s_vhdr;
Seth Forshee65965282011-07-18 08:06:23 -0700139 void *s_backup_vhdr_buf;
Christoph Hellwig52399b12010-11-23 14:37:47 +0100140 struct hfsplus_vh *s_backup_vhdr;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700141 struct hfs_btree *ext_tree;
142 struct hfs_btree *cat_tree;
143 struct hfs_btree *attr_tree;
144 struct inode *alloc_file;
145 struct inode *hidden_dir;
146 struct nls_table *nls;
147
148 /* Runtime variables */
149 u32 blockoffset;
Christoph Hellwig52399b12010-11-23 14:37:47 +0100150 sector_t part_start;
151 sector_t sect_count;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700152 int fs_shift;
153
Christoph Hellwig7ac9fb92010-10-01 05:45:08 +0200154 /* immutable data from the volume header */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700155 u32 alloc_blksz;
156 int alloc_blksz_shift;
157 u32 total_blocks;
Christoph Hellwig7ac9fb92010-10-01 05:45:08 +0200158 u32 data_clump_blocks, rsrc_clump_blocks;
159
160 /* mutable data from the volume header, protected by alloc_mutex */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700161 u32 free_blocks;
Christoph Hellwig7ac9fb92010-10-01 05:45:08 +0200162 struct mutex alloc_mutex;
163
164 /* mutable data from the volume header, protected by vh_mutex */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700165 u32 next_cnid;
166 u32 file_count;
167 u32 folder_count;
Christoph Hellwig7ac9fb92010-10-01 05:45:08 +0200168 struct mutex vh_mutex;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700169
170 /* Config options */
171 u32 creator;
172 u32 type;
173
174 umode_t umask;
Eric W. Biederman16525e32012-02-07 16:27:17 -0800175 kuid_t uid;
176 kgid_t gid;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700177
178 int part, session;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700179 unsigned long flags;
Artem Bityutskiy9e6c5822012-07-12 17:26:31 +0300180
181 int work_queued; /* non-zero delayed work is queued */
182 struct delayed_work sync_work; /* FS sync delayed work */
183 spinlock_t work_lock; /* protects sync_work and work_queued */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700184};
185
Christoph Hellwig84adede2010-10-01 05:45:20 +0200186#define HFSPLUS_SB_WRITEBACKUP 0
187#define HFSPLUS_SB_NODECOMPOSE 1
188#define HFSPLUS_SB_FORCE 2
189#define HFSPLUS_SB_HFSX 3
190#define HFSPLUS_SB_CASEFOLD 4
Christoph Hellwig34a2d312010-11-23 14:38:21 +0100191#define HFSPLUS_SB_NOBARRIER 5
Linus Torvalds1da177e2005-04-16 15:20:36 -0700192
Christoph Hellwige3494702010-11-23 14:38:15 +0100193static inline struct hfsplus_sb_info *HFSPLUS_SB(struct super_block *sb)
194{
195 return sb->s_fs_info;
196}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700197
198
199struct hfsplus_inode_info {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700200 atomic_t opencnt;
201
Christoph Hellwig7fcc99f2010-10-01 05:46:31 +0200202 /*
203 * Extent allocation information, protected by extents_lock.
204 */
205 u32 first_blocks;
206 u32 clump_blocks;
207 u32 alloc_blocks;
208 u32 cached_start;
209 u32 cached_blocks;
210 hfsplus_extent_rec first_extents;
211 hfsplus_extent_rec cached_extents;
Christoph Hellwigb33b7922010-11-23 14:38:13 +0100212 unsigned int extent_state;
Christoph Hellwig7fcc99f2010-10-01 05:46:31 +0200213 struct mutex extents_lock;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700214
Christoph Hellwig7fcc99f2010-10-01 05:46:31 +0200215 /*
216 * Immutable data.
217 */
218 struct inode *rsrc_inode;
Roman Zippel9a4cad92006-01-18 17:43:09 -0800219 __be32 create_date;
Christoph Hellwigf6089ff2010-10-14 09:54:28 -0400220
221 /*
222 * Protected by sbi->vh_mutex.
223 */
224 u32 linkid;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700225
Christoph Hellwig7fcc99f2010-10-01 05:46:31 +0200226 /*
Christoph Hellwigb33b7922010-11-23 14:38:13 +0100227 * Accessed using atomic bitops.
228 */
229 unsigned long flags;
230
231 /*
Christoph Hellwig7fcc99f2010-10-01 05:46:31 +0200232 * Protected by i_mutex.
233 */
234 sector_t fs_blocks;
Christoph Hellwig722c55d2010-10-14 09:54:33 -0400235 u8 userflags; /* BSD user file flags */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700236 struct list_head open_dir_list;
237 loff_t phys_size;
Christoph Hellwig7fcc99f2010-10-01 05:46:31 +0200238
Linus Torvalds1da177e2005-04-16 15:20:36 -0700239 struct inode vfs_inode;
240};
241
Christoph Hellwigb33b7922010-11-23 14:38:13 +0100242#define HFSPLUS_EXT_DIRTY 0x0001
243#define HFSPLUS_EXT_NEW 0x0002
Linus Torvalds1da177e2005-04-16 15:20:36 -0700244
Christoph Hellwigb33b7922010-11-23 14:38:13 +0100245#define HFSPLUS_I_RSRC 0 /* represents a resource fork */
Christoph Hellwige3494702010-11-23 14:38:15 +0100246#define HFSPLUS_I_CAT_DIRTY 1 /* has changes in the catalog tree */
247#define HFSPLUS_I_EXT_DIRTY 2 /* has changes in the extent tree */
248#define HFSPLUS_I_ALLOC_DIRTY 3 /* has changes in the allocation file */
Vyacheslav Dubeyko324ef392013-02-27 17:03:04 -0800249#define HFSPLUS_I_ATTR_DIRTY 4 /* has changes in the attributes tree */
Christoph Hellwigb33b7922010-11-23 14:38:13 +0100250
251#define HFSPLUS_IS_RSRC(inode) \
252 test_bit(HFSPLUS_I_RSRC, &HFSPLUS_I(inode)->flags)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700253
Christoph Hellwige3494702010-11-23 14:38:15 +0100254static inline struct hfsplus_inode_info *HFSPLUS_I(struct inode *inode)
255{
256 return list_entry(inode, struct hfsplus_inode_info, vfs_inode);
257}
258
259/*
260 * Mark an inode dirty, and also mark the btree in which the
261 * specific type of metadata is stored.
262 * For data or metadata that gets written back by into the catalog btree
263 * by hfsplus_write_inode a plain mark_inode_dirty call is enough.
264 */
265static inline void hfsplus_mark_inode_dirty(struct inode *inode,
266 unsigned int flag)
267{
268 set_bit(flag, &HFSPLUS_I(inode)->flags);
269 mark_inode_dirty(inode);
270}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700271
272struct hfs_find_data {
273 /* filled by caller */
274 hfsplus_btree_key *search_key;
275 hfsplus_btree_key *key;
276 /* filled by find */
277 struct hfs_btree *tree;
278 struct hfs_bnode *bnode;
279 /* filled by findrec */
280 int record;
281 int keyoffset, keylength;
282 int entryoffset, entrylength;
283};
284
285struct hfsplus_readdir_data {
286 struct list_head list;
287 struct file *file;
288 struct hfsplus_cat_key key;
289};
290
Seth Forshee65965282011-07-18 08:06:23 -0700291/*
292 * Find minimum acceptible I/O size for an hfsplus sb.
293 */
294static inline unsigned short hfsplus_min_io_size(struct super_block *sb)
295{
296 return max_t(unsigned short, bdev_logical_block_size(sb->s_bdev),
297 HFSPLUS_SECTOR_SIZE);
298}
299
Linus Torvalds1da177e2005-04-16 15:20:36 -0700300#define hfs_btree_open hfsplus_btree_open
301#define hfs_btree_close hfsplus_btree_close
302#define hfs_btree_write hfsplus_btree_write
303#define hfs_bmap_alloc hfsplus_bmap_alloc
304#define hfs_bmap_free hfsplus_bmap_free
305#define hfs_bnode_read hfsplus_bnode_read
306#define hfs_bnode_read_u16 hfsplus_bnode_read_u16
307#define hfs_bnode_read_u8 hfsplus_bnode_read_u8
308#define hfs_bnode_read_key hfsplus_bnode_read_key
309#define hfs_bnode_write hfsplus_bnode_write
310#define hfs_bnode_write_u16 hfsplus_bnode_write_u16
311#define hfs_bnode_clear hfsplus_bnode_clear
312#define hfs_bnode_copy hfsplus_bnode_copy
313#define hfs_bnode_move hfsplus_bnode_move
314#define hfs_bnode_dump hfsplus_bnode_dump
315#define hfs_bnode_unlink hfsplus_bnode_unlink
316#define hfs_bnode_findhash hfsplus_bnode_findhash
317#define hfs_bnode_find hfsplus_bnode_find
318#define hfs_bnode_unhash hfsplus_bnode_unhash
319#define hfs_bnode_free hfsplus_bnode_free
320#define hfs_bnode_create hfsplus_bnode_create
321#define hfs_bnode_get hfsplus_bnode_get
322#define hfs_bnode_put hfsplus_bnode_put
323#define hfs_brec_lenoff hfsplus_brec_lenoff
324#define hfs_brec_keylen hfsplus_brec_keylen
325#define hfs_brec_insert hfsplus_brec_insert
326#define hfs_brec_remove hfsplus_brec_remove
327#define hfs_find_init hfsplus_find_init
328#define hfs_find_exit hfsplus_find_exit
Vyacheslav Dubeyko324ef392013-02-27 17:03:04 -0800329#define __hfs_brec_find __hfsplus_brec_find
Linus Torvalds1da177e2005-04-16 15:20:36 -0700330#define hfs_brec_find hfsplus_brec_find
331#define hfs_brec_read hfsplus_brec_read
332#define hfs_brec_goto hfsplus_brec_goto
333#define hfs_part_find hfsplus_part_find
334
335/*
336 * definitions for ext2 flag ioctls (linux really needs a generic
337 * interface for this).
338 */
339
340/* ext2 ioctls (EXT2_IOC_GETFLAGS and EXT2_IOC_SETFLAGS) to support
341 * chattr/lsattr */
David Howells36695672006-08-29 19:06:16 +0100342#define HFSPLUS_IOC_EXT2_GETFLAGS FS_IOC_GETFLAGS
343#define HFSPLUS_IOC_EXT2_SETFLAGS FS_IOC_SETFLAGS
Linus Torvalds1da177e2005-04-16 15:20:36 -0700344
345
346/*
Matthew Garretta051f712012-02-06 15:14:40 -0500347 * hfs+-specific ioctl for making the filesystem bootable
348 */
349#define HFSPLUS_IOC_BLESS _IO('h', 0x80)
350
Vyacheslav Dubeyko324ef392013-02-27 17:03:04 -0800351typedef int (*search_strategy_t)(struct hfs_bnode *,
352 struct hfs_find_data *,
353 int *, int *, int *);
354
Matthew Garretta051f712012-02-06 15:14:40 -0500355/*
Linus Torvalds1da177e2005-04-16 15:20:36 -0700356 * Functions in any *.c used in other files
357 */
358
Vyacheslav Dubeyko324ef392013-02-27 17:03:04 -0800359/* attributes.c */
360int hfsplus_create_attr_tree_cache(void);
361void hfsplus_destroy_attr_tree_cache(void);
362hfsplus_attr_entry *hfsplus_alloc_attr_entry(void);
363void hfsplus_destroy_attr_entry(hfsplus_attr_entry *entry_p);
364int hfsplus_attr_bin_cmp_key(const hfsplus_btree_key *,
365 const hfsplus_btree_key *);
366int hfsplus_attr_build_key(struct super_block *, hfsplus_btree_key *,
367 u32, const char *);
368void hfsplus_attr_build_key_uni(hfsplus_btree_key *key,
369 u32 cnid,
370 struct hfsplus_attr_unistr *name);
371int hfsplus_find_attr(struct super_block *, u32,
372 const char *, struct hfs_find_data *);
373int hfsplus_attr_exists(struct inode *inode, const char *name);
374int hfsplus_create_attr(struct inode *, const char *, const void *, size_t);
375int hfsplus_delete_attr(struct inode *, const char *);
376int hfsplus_delete_all_attrs(struct inode *dir, u32 cnid);
377
Linus Torvalds1da177e2005-04-16 15:20:36 -0700378/* bitmap.c */
379int hfsplus_block_allocate(struct super_block *, u32, u32, u32 *);
380int hfsplus_block_free(struct super_block *, u32, u32);
381
382/* btree.c */
383struct hfs_btree *hfs_btree_open(struct super_block *, u32);
384void hfs_btree_close(struct hfs_btree *);
Vyacheslav Dubeyko81cc7fa2012-12-20 15:05:28 -0800385int hfs_btree_write(struct hfs_btree *);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700386struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *);
387void hfs_bmap_free(struct hfs_bnode *);
388
389/* bnode.c */
390void hfs_bnode_read(struct hfs_bnode *, void *, int, int);
391u16 hfs_bnode_read_u16(struct hfs_bnode *, int);
392u8 hfs_bnode_read_u8(struct hfs_bnode *, int);
393void hfs_bnode_read_key(struct hfs_bnode *, void *, int);
394void hfs_bnode_write(struct hfs_bnode *, void *, int, int);
395void hfs_bnode_write_u16(struct hfs_bnode *, int, u16);
396void hfs_bnode_clear(struct hfs_bnode *, int, int);
397void hfs_bnode_copy(struct hfs_bnode *, int,
398 struct hfs_bnode *, int, int);
399void hfs_bnode_move(struct hfs_bnode *, int, int, int);
400void hfs_bnode_dump(struct hfs_bnode *);
401void hfs_bnode_unlink(struct hfs_bnode *);
402struct hfs_bnode *hfs_bnode_findhash(struct hfs_btree *, u32);
403struct hfs_bnode *hfs_bnode_find(struct hfs_btree *, u32);
404void hfs_bnode_unhash(struct hfs_bnode *);
405void hfs_bnode_free(struct hfs_bnode *);
406struct hfs_bnode *hfs_bnode_create(struct hfs_btree *, u32);
407void hfs_bnode_get(struct hfs_bnode *);
408void hfs_bnode_put(struct hfs_bnode *);
409
410/* brec.c */
411u16 hfs_brec_lenoff(struct hfs_bnode *, u16, u16 *);
412u16 hfs_brec_keylen(struct hfs_bnode *, u16);
413int hfs_brec_insert(struct hfs_find_data *, void *, int);
414int hfs_brec_remove(struct hfs_find_data *);
415
416/* bfind.c */
417int hfs_find_init(struct hfs_btree *, struct hfs_find_data *);
418void hfs_find_exit(struct hfs_find_data *);
Vyacheslav Dubeyko324ef392013-02-27 17:03:04 -0800419int hfs_find_1st_rec_by_cnid(struct hfs_bnode *,
420 struct hfs_find_data *,
421 int *, int *, int *);
422int hfs_find_rec_by_key(struct hfs_bnode *,
423 struct hfs_find_data *,
424 int *, int *, int *);
425int __hfs_brec_find(struct hfs_bnode *, struct hfs_find_data *,
426 search_strategy_t);
427int hfs_brec_find(struct hfs_find_data *, search_strategy_t);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700428int hfs_brec_read(struct hfs_find_data *, void *, int);
429int hfs_brec_goto(struct hfs_find_data *, int);
430
431/* catalog.c */
Anton Salikhmetov2753cc22010-12-16 18:08:38 +0200432int hfsplus_cat_case_cmp_key(const hfsplus_btree_key *,
433 const hfsplus_btree_key *);
434int hfsplus_cat_bin_cmp_key(const hfsplus_btree_key *,
435 const hfsplus_btree_key *);
436void hfsplus_cat_build_key(struct super_block *sb,
437 hfsplus_btree_key *, u32, struct qstr *);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700438int hfsplus_find_cat(struct super_block *, u32, struct hfs_find_data *);
439int hfsplus_create_cat(u32, struct inode *, struct qstr *, struct inode *);
440int hfsplus_delete_cat(u32, struct inode *, struct qstr *);
441int hfsplus_rename_cat(u32, struct inode *, struct qstr *,
442 struct inode *, struct qstr *);
Christoph Hellwig90e61692010-10-14 09:54:39 -0400443void hfsplus_cat_set_perms(struct inode *inode, struct hfsplus_perm *perms);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700444
Adrian Bunk4b0a8da2008-04-29 00:58:52 -0700445/* dir.c */
446extern const struct inode_operations hfsplus_dir_inode_operations;
447extern const struct file_operations hfsplus_dir_operations;
448
Linus Torvalds1da177e2005-04-16 15:20:36 -0700449/* extents.c */
David Elliott2179d372006-01-18 17:43:08 -0800450int hfsplus_ext_cmp_key(const hfsplus_btree_key *, const hfsplus_btree_key *);
Alexey Khoroshilovdd7f3d52011-07-06 02:30:00 +0400451int hfsplus_ext_write_extent(struct inode *);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700452int hfsplus_get_block(struct inode *, sector_t, struct buffer_head *, int);
Anton Salikhmetov2753cc22010-12-16 18:08:38 +0200453int hfsplus_free_fork(struct super_block *, u32,
454 struct hfsplus_fork_raw *, int);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700455int hfsplus_file_extend(struct inode *);
456void hfsplus_file_truncate(struct inode *);
457
458/* inode.c */
Christoph Hellwigf5e54d62006-06-28 04:26:44 -0700459extern const struct address_space_operations hfsplus_aops;
460extern const struct address_space_operations hfsplus_btree_aops;
Al Viroe16404e2009-02-20 05:55:13 +0000461extern const struct dentry_operations hfsplus_dentry_operations;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700462
463void hfsplus_inode_read_fork(struct inode *, struct hfsplus_fork_raw *);
464void hfsplus_inode_write_fork(struct inode *, struct hfsplus_fork_raw *);
465int hfsplus_cat_read_inode(struct inode *, struct hfs_find_data *);
466int hfsplus_cat_write_inode(struct inode *);
Al Viroc47da792011-07-26 03:26:51 -0400467struct inode *hfsplus_new_inode(struct super_block *, umode_t);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700468void hfsplus_delete_inode(struct inode *);
Josef Bacik02c24a82011-07-16 20:44:56 -0400469int hfsplus_file_fsync(struct file *file, loff_t start, loff_t end,
470 int datasync);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700471
472/* ioctl.c */
Arnd Bergmann7cc4bcc2010-04-27 16:24:20 +0200473long hfsplus_ioctl(struct file *filp, unsigned int cmd, unsigned long arg);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700474
475/* options.c */
Roman Zippel717dd80e2005-09-06 15:18:48 -0700476int hfsplus_parse_options(char *, struct hfsplus_sb_info *);
Christoph Hellwig6f80dfe2010-11-07 23:01:17 +0100477int hfsplus_parse_options_remount(char *input, int *force);
Roman Zippel717dd80e2005-09-06 15:18:48 -0700478void hfsplus_fill_defaults(struct hfsplus_sb_info *);
Al Viro34c80b12011-12-08 21:32:45 -0500479int hfsplus_show_options(struct seq_file *, struct dentry *);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700480
David Howells63525392008-02-07 00:15:40 -0800481/* super.c */
482struct inode *hfsplus_iget(struct super_block *, unsigned long);
Artem Bityutskiy9e6c5822012-07-12 17:26:31 +0300483void hfsplus_mark_mdb_dirty(struct super_block *sb);
David Howells63525392008-02-07 00:15:40 -0800484
Linus Torvalds1da177e2005-04-16 15:20:36 -0700485/* tables.c */
486extern u16 hfsplus_case_fold_table[];
487extern u16 hfsplus_decompose_table[];
488extern u16 hfsplus_compose_table[];
489
490/* unicode.c */
Anton Salikhmetov2753cc22010-12-16 18:08:38 +0200491int hfsplus_strcasecmp(const struct hfsplus_unistr *,
492 const struct hfsplus_unistr *);
493int hfsplus_strcmp(const struct hfsplus_unistr *,
494 const struct hfsplus_unistr *);
495int hfsplus_uni2asc(struct super_block *,
496 const struct hfsplus_unistr *, char *, int *);
497int hfsplus_asc2uni(struct super_block *,
Vyacheslav Dubeyko324ef392013-02-27 17:03:04 -0800498 struct hfsplus_unistr *, int, const char *, int);
Linus Torvaldsda53be12013-05-21 15:22:44 -0700499int hfsplus_hash_dentry(const struct dentry *dentry, struct qstr *str);
500int hfsplus_compare_dentry(const struct dentry *parent, const struct dentry *dentry,
Nick Piggin621e1552011-01-07 17:49:27 +1100501 unsigned int len, const char *str, const struct qstr *name);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700502
503/* wrapper.c */
504int hfsplus_read_wrapper(struct super_block *);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700505int hfs_part_find(struct super_block *, sector_t *, sector_t *);
Seth Forshee65965282011-07-18 08:06:23 -0700506int hfsplus_submit_bio(struct super_block *sb, sector_t sector,
507 void *buf, void **data, int rw);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700508
509/* time macros */
510#define __hfsp_mt2ut(t) (be32_to_cpu(t) - 2082844800U)
511#define __hfsp_ut2mt(t) (cpu_to_be32(t + 2082844800U))
512
513/* compatibility */
514#define hfsp_mt2ut(t) (struct timespec){ .tv_sec = __hfsp_mt2ut(t) }
515#define hfsp_ut2mt(t) __hfsp_ut2mt((t).tv_sec)
516#define hfsp_now2mt() __hfsp_ut2mt(get_seconds())
517
Linus Torvalds1da177e2005-04-16 15:20:36 -0700518#endif