1
2#ifndef __UDF_DECL_H
3#define __UDF_DECL_H
4
5#define pr_fmt(fmt) "UDF-fs: " fmt
6
7#include "ecma_167.h"
8#include "osta_udf.h"
9
10#include <linux/fs.h>
11#include <linux/types.h>
12#include <linux/buffer_head.h>
13#include <linux/udf_fs_i.h>
14
15#include "udf_sb.h"
16#include "udfend.h"
17#include "udf_i.h"
18
19#define UDF_DEFAULT_PREALLOC_BLOCKS 8
20
21extern __printf(3, 4) void _udf_err(struct super_block *sb,
22 const char *function, const char *fmt, ...);
23#define udf_err(sb, fmt, ...) \
24 _udf_err(sb, __func__, fmt, ##__VA_ARGS__)
25
26extern __printf(3, 4) void _udf_warn(struct super_block *sb,
27 const char *function, const char *fmt, ...);
28#define udf_warn(sb, fmt, ...) \
29 _udf_warn(sb, __func__, fmt, ##__VA_ARGS__)
30
31#define udf_info(fmt, ...) \
32 pr_info("INFO " fmt, ##__VA_ARGS__)
33
34#undef UDFFS_DEBUG
35
36#ifdef UDFFS_DEBUG
37#define udf_debug(fmt, ...) \
38 printk(KERN_DEBUG pr_fmt("%s:%d:%s: " fmt), \
39 __FILE__, __LINE__, __func__, ##__VA_ARGS__)
40#else
41#define udf_debug(fmt, ...) \
42 no_printk(fmt, ##__VA_ARGS__)
43#endif
44
45#define udf_fixed_to_variable(x) ( ( ( (x) >> 5 ) * 39 ) + ( (x) & 0x0000001F ) )
46#define udf_variable_to_fixed(x) ( ( ( (x) / 39 ) << 5 ) + ( (x) % 39 ) )
47
48#define UDF_EXTENT_LENGTH_MASK 0x3FFFFFFF
49#define UDF_EXTENT_FLAG_MASK 0xC0000000
50
51#define UDF_NAME_PAD 4
52#define UDF_NAME_LEN 254
53#define UDF_NAME_LEN_CS0 255
54
55static inline size_t udf_file_entry_alloc_offset(struct inode *inode)
56{
57 struct udf_inode_info *iinfo = UDF_I(inode);
58 if (iinfo->i_use)
59 return sizeof(struct unallocSpaceEntry);
60 else if (iinfo->i_efe)
61 return sizeof(struct extendedFileEntry) + iinfo->i_lenEAttr;
62 else
63 return sizeof(struct fileEntry) + iinfo->i_lenEAttr;
64}
65
66static inline size_t udf_ext0_offset(struct inode *inode)
67{
68 if (UDF_I(inode)->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB)
69 return udf_file_entry_alloc_offset(inode);
70 else
71 return 0;
72}
73
74
75u8 udf_tag_checksum(const struct tag *t);
76
77typedef uint32_t udf_pblk_t;
78
79struct dentry;
80struct inode;
81struct task_struct;
82struct buffer_head;
83struct super_block;
84
85extern const struct export_operations udf_export_ops;
86extern const struct inode_operations udf_dir_inode_operations;
87extern const struct file_operations udf_dir_operations;
88extern const struct inode_operations udf_file_inode_operations;
89extern const struct file_operations udf_file_operations;
90extern const struct inode_operations udf_symlink_inode_operations;
91extern const struct address_space_operations udf_aops;
92extern const struct address_space_operations udf_adinicb_aops;
93extern const struct address_space_operations udf_symlink_aops;
94
95struct udf_fileident_bh {
96 struct buffer_head *sbh;
97 struct buffer_head *ebh;
98 int soffset;
99 int eoffset;
100};
101
102struct udf_vds_record {
103 uint32_t block;
104 uint32_t volDescSeqNum;
105};
106
107struct generic_desc {
108 struct tag descTag;
109 __le32 volDescSeqNum;
110};
111
112
113
114
115static inline void udf_updated_lvid(struct super_block *sb)
116{
117 struct buffer_head *bh = UDF_SB(sb)->s_lvid_bh;
118
119 BUG_ON(!bh);
120 WARN_ON_ONCE(((struct logicalVolIntegrityDesc *)
121 bh->b_data)->integrityType !=
122 cpu_to_le32(LVID_INTEGRITY_TYPE_OPEN));
123 UDF_SB(sb)->s_lvid_dirty = 1;
124}
125extern u64 lvid_get_unique_id(struct super_block *sb);
126struct inode *udf_find_metadata_inode_efe(struct super_block *sb,
127 u32 meta_file_loc, u32 partition_num);
128
129
130extern int udf_write_fi(struct inode *inode, struct fileIdentDesc *,
131 struct fileIdentDesc *, struct udf_fileident_bh *,
132 uint8_t *, uint8_t *);
133
134
135extern long udf_ioctl(struct file *, unsigned int, unsigned long);
136
137extern struct inode *__udf_iget(struct super_block *, struct kernel_lb_addr *,
138 bool hidden_inode);
139static inline struct inode *udf_iget_special(struct super_block *sb,
140 struct kernel_lb_addr *ino)
141{
142 return __udf_iget(sb, ino, true);
143}
144static inline struct inode *udf_iget(struct super_block *sb,
145 struct kernel_lb_addr *ino)
146{
147 return __udf_iget(sb, ino, false);
148}
149extern int udf_expand_file_adinicb(struct inode *);
150extern struct buffer_head *udf_expand_dir_adinicb(struct inode *inode,
151 udf_pblk_t *block, int *err);
152extern struct buffer_head *udf_bread(struct inode *inode, udf_pblk_t block,
153 int create, int *err);
154extern int udf_setsize(struct inode *, loff_t);
155extern void udf_evict_inode(struct inode *);
156extern int udf_write_inode(struct inode *, struct writeback_control *wbc);
157extern udf_pblk_t udf_block_map(struct inode *inode, sector_t block);
158extern int8_t inode_bmap(struct inode *, sector_t, struct extent_position *,
159 struct kernel_lb_addr *, uint32_t *, sector_t *);
160extern int udf_setup_indirect_aext(struct inode *inode, udf_pblk_t block,
161 struct extent_position *epos);
162extern int __udf_add_aext(struct inode *inode, struct extent_position *epos,
163 struct kernel_lb_addr *eloc, uint32_t elen, int inc);
164extern int udf_add_aext(struct inode *, struct extent_position *,
165 struct kernel_lb_addr *, uint32_t, int);
166extern void udf_write_aext(struct inode *, struct extent_position *,
167 struct kernel_lb_addr *, uint32_t, int);
168extern int8_t udf_delete_aext(struct inode *, struct extent_position,
169 struct kernel_lb_addr, uint32_t);
170extern int8_t udf_next_aext(struct inode *, struct extent_position *,
171 struct kernel_lb_addr *, uint32_t *, int);
172extern int8_t udf_current_aext(struct inode *, struct extent_position *,
173 struct kernel_lb_addr *, uint32_t *, int);
174
175
176extern struct buffer_head *udf_tgetblk(struct super_block *sb,
177 udf_pblk_t block);
178extern struct buffer_head *udf_tread(struct super_block *sb, udf_pblk_t block);
179extern struct genericFormat *udf_add_extendedattr(struct inode *, uint32_t,
180 uint32_t, uint8_t);
181extern struct genericFormat *udf_get_extendedattr(struct inode *, uint32_t,
182 uint8_t);
183extern struct buffer_head *udf_read_tagged(struct super_block *, uint32_t,
184 uint32_t, uint16_t *);
185extern struct buffer_head *udf_read_ptagged(struct super_block *,
186 struct kernel_lb_addr *, uint32_t,
187 uint16_t *);
188extern void udf_update_tag(char *, int);
189extern void udf_new_tag(char *, uint16_t, uint16_t, uint16_t, uint32_t, int);
190
191
192extern unsigned int udf_get_last_session(struct super_block *);
193extern unsigned long udf_get_last_block(struct super_block *);
194
195
196extern uint32_t udf_get_pblock(struct super_block *, uint32_t, uint16_t,
197 uint32_t);
198extern uint32_t udf_get_pblock_virt15(struct super_block *, uint32_t, uint16_t,
199 uint32_t);
200extern uint32_t udf_get_pblock_virt20(struct super_block *, uint32_t, uint16_t,
201 uint32_t);
202extern uint32_t udf_get_pblock_spar15(struct super_block *, uint32_t, uint16_t,
203 uint32_t);
204extern uint32_t udf_get_pblock_meta25(struct super_block *, uint32_t, uint16_t,
205 uint32_t);
206extern int udf_relocate_blocks(struct super_block *, long, long *);
207
208static inline uint32_t
209udf_get_lb_pblock(struct super_block *sb, struct kernel_lb_addr *loc,
210 uint32_t offset)
211{
212 return udf_get_pblock(sb, loc->logicalBlockNum,
213 loc->partitionReferenceNum, offset);
214}
215
216
217extern int udf_get_filename(struct super_block *, const uint8_t *, int,
218 uint8_t *, int);
219extern int udf_put_filename(struct super_block *, const uint8_t *, int,
220 uint8_t *, int);
221extern int udf_dstrCS0toUTF8(uint8_t *, int, const uint8_t *, int);
222
223
224extern void udf_free_inode(struct inode *);
225extern struct inode *udf_new_inode(struct inode *, umode_t);
226
227
228extern void udf_truncate_tail_extent(struct inode *);
229extern void udf_discard_prealloc(struct inode *);
230extern void udf_truncate_extents(struct inode *);
231
232
233extern void udf_free_blocks(struct super_block *, struct inode *,
234 struct kernel_lb_addr *, uint32_t, uint32_t);
235extern int udf_prealloc_blocks(struct super_block *, struct inode *, uint16_t,
236 uint32_t, uint32_t);
237extern udf_pblk_t udf_new_block(struct super_block *sb, struct inode *inode,
238 uint16_t partition, uint32_t goal, int *err);
239
240
241extern struct fileIdentDesc *udf_fileident_read(struct inode *, loff_t *,
242 struct udf_fileident_bh *,
243 struct fileIdentDesc *,
244 struct extent_position *,
245 struct kernel_lb_addr *, uint32_t *,
246 sector_t *);
247extern struct fileIdentDesc *udf_get_fileident(void *buffer, int bufsize,
248 int *offset);
249extern struct long_ad *udf_get_filelongad(uint8_t *, int, uint32_t *, int);
250extern struct short_ad *udf_get_fileshortad(uint8_t *, int, uint32_t *, int);
251
252
253extern struct timespec *udf_disk_stamp_to_time(struct timespec *dest,
254 struct timestamp src);
255extern struct timestamp *udf_time_to_disk_stamp(struct timestamp *dest, struct timespec src);
256
257#endif
258
