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Commit | Line | Data |
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1da177e4 LT |
1 | #ifndef __UDF_DECL_H |
2 | #define __UDF_DECL_H | |
3 | ||
78ace70c JP |
4 | #define pr_fmt(fmt) "UDF-fs: " fmt |
5 | ||
1da177e4 LT |
6 | #include "ecma_167.h" |
7 | #include "osta_udf.h" | |
8 | ||
9 | #include <linux/fs.h> | |
1da177e4 | 10 | #include <linux/types.h> |
1da177e4 | 11 | #include <linux/buffer_head.h> |
15aebd28 | 12 | #include <linux/udf_fs_i.h> |
1da177e4 | 13 | |
15aebd28 | 14 | #include "udf_sb.h" |
1da177e4 | 15 | #include "udfend.h" |
d652eefb | 16 | #include "udf_i.h" |
1da177e4 | 17 | |
15aebd28 CH |
18 | #define UDF_PREALLOCATE |
19 | #define UDF_DEFAULT_PREALLOC_BLOCKS 8 | |
20 | ||
34116645 LT |
21 | extern __printf(3, 4) void _udf_err(struct super_block *sb, |
22 | const char *function, const char *fmt, ...); | |
78ace70c JP |
23 | #define udf_err(sb, fmt, ...) \ |
24 | _udf_err(sb, __func__, fmt, ##__VA_ARGS__) | |
15aebd28 | 25 | |
34116645 LT |
26 | extern __printf(3, 4) void _udf_warn(struct super_block *sb, |
27 | const char *function, const char *fmt, ...); | |
a40ecd7b JP |
28 | #define udf_warn(sb, fmt, ...) \ |
29 | _udf_warn(sb, __func__, fmt, ##__VA_ARGS__) | |
7e273e3b | 30 | |
78ace70c JP |
31 | #define udf_info(fmt, ...) \ |
32 | pr_info("INFO " fmt, ##__VA_ARGS__) | |
7e273e3b | 33 | |
e4f3ec06 | 34 | #undef UDFFS_DEBUG |
15aebd28 CH |
35 | |
36 | #ifdef UDFFS_DEBUG | |
78ace70c JP |
37 | #define udf_debug(fmt, ...) \ |
38 | printk(KERN_DEBUG pr_fmt("%s:%d:%s: " fmt), \ | |
39 | __FILE__, __LINE__, __func__, ##__VA_ARGS__) | |
15aebd28 | 40 | #else |
78ace70c JP |
41 | #define udf_debug(fmt, ...) \ |
42 | no_printk(fmt, ##__VA_ARGS__) | |
15aebd28 CH |
43 | #endif |
44 | ||
1da177e4 LT |
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 256 | |
53 | #define UDF_PATH_LEN 1023 | |
54 | ||
d652eefb | 55 | static 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 | ||
66 | static 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 | } | |
1da177e4 | 73 | |
3f2587bb | 74 | /* computes tag checksum */ |
5ca4e4be | 75 | u8 udf_tag_checksum(const struct tag *t); |
3f2587bb | 76 | |
1da177e4 LT |
77 | struct dentry; |
78 | struct inode; | |
79 | struct task_struct; | |
80 | struct buffer_head; | |
81 | struct super_block; | |
82 | ||
221e583a | 83 | extern const struct export_operations udf_export_ops; |
c5ef1c42 | 84 | extern const struct inode_operations udf_dir_inode_operations; |
4b6f5d20 | 85 | extern const struct file_operations udf_dir_operations; |
c5ef1c42 | 86 | extern const struct inode_operations udf_file_inode_operations; |
4b6f5d20 | 87 | extern const struct file_operations udf_file_operations; |
f5e54d6e CH |
88 | extern const struct address_space_operations udf_aops; |
89 | extern const struct address_space_operations udf_adinicb_aops; | |
90 | extern const struct address_space_operations udf_symlink_aops; | |
1da177e4 | 91 | |
cb00ea35 | 92 | struct udf_fileident_bh { |
1da177e4 LT |
93 | struct buffer_head *sbh; |
94 | struct buffer_head *ebh; | |
95 | int soffset; | |
96 | int eoffset; | |
97 | }; | |
98 | ||
cb00ea35 | 99 | struct udf_vds_record { |
1da177e4 LT |
100 | uint32_t block; |
101 | uint32_t volDescSeqNum; | |
102 | }; | |
103 | ||
cb00ea35 | 104 | struct generic_desc { |
5ca4e4be | 105 | struct tag descTag; |
28de7948 | 106 | __le32 volDescSeqNum; |
1da177e4 LT |
107 | }; |
108 | ||
cb00ea35 | 109 | struct ustr { |
1da177e4 | 110 | uint8_t u_cmpID; |
cb00ea35 | 111 | uint8_t u_name[UDF_NAME_LEN - 2]; |
1da177e4 LT |
112 | uint8_t u_len; |
113 | }; | |
114 | ||
ff116fc8 | 115 | |
1da177e4 | 116 | /* super.c */ |
fab3c858 | 117 | |
146bca72 JK |
118 | static inline void udf_updated_lvid(struct super_block *sb) |
119 | { | |
120 | struct buffer_head *bh = UDF_SB(sb)->s_lvid_bh; | |
121 | ||
122 | BUG_ON(!bh); | |
123 | WARN_ON_ONCE(((struct logicalVolIntegrityDesc *) | |
124 | bh->b_data)->integrityType != | |
125 | cpu_to_le32(LVID_INTEGRITY_TYPE_OPEN)); | |
146bca72 JK |
126 | UDF_SB(sb)->s_lvid_dirty = 1; |
127 | } | |
d664b6af | 128 | extern u64 lvid_get_unique_id(struct super_block *sb); |
3080a74e NJ |
129 | struct inode *udf_find_metadata_inode_efe(struct super_block *sb, |
130 | u32 meta_file_loc, u32 partition_num); | |
1da177e4 LT |
131 | |
132 | /* namei.c */ | |
cb00ea35 CG |
133 | extern int udf_write_fi(struct inode *inode, struct fileIdentDesc *, |
134 | struct fileIdentDesc *, struct udf_fileident_bh *, | |
135 | uint8_t *, uint8_t *); | |
1da177e4 LT |
136 | |
137 | /* file.c */ | |
2f07a88b | 138 | extern long udf_ioctl(struct file *, unsigned int, unsigned long); |
1da177e4 | 139 | /* inode.c */ |
6174c2eb JK |
140 | extern struct inode *__udf_iget(struct super_block *, struct kernel_lb_addr *, |
141 | bool hidden_inode); | |
142 | static inline struct inode *udf_iget_special(struct super_block *sb, | |
143 | struct kernel_lb_addr *ino) | |
144 | { | |
145 | return __udf_iget(sb, ino, true); | |
146 | } | |
147 | static inline struct inode *udf_iget(struct super_block *sb, | |
148 | struct kernel_lb_addr *ino) | |
149 | { | |
150 | return __udf_iget(sb, ino, false); | |
151 | } | |
7e49b6f2 | 152 | extern int udf_expand_file_adinicb(struct inode *); |
cb00ea35 CG |
153 | extern struct buffer_head *udf_expand_dir_adinicb(struct inode *, int *, int *); |
154 | extern struct buffer_head *udf_bread(struct inode *, int, int, int *); | |
7e49b6f2 | 155 | extern int udf_setsize(struct inode *, loff_t); |
3aac2b62 | 156 | extern void udf_evict_inode(struct inode *); |
a9185b41 | 157 | extern int udf_write_inode(struct inode *, struct writeback_control *wbc); |
60448b1d | 158 | extern long udf_block_map(struct inode *, sector_t); |
cb00ea35 | 159 | extern int8_t inode_bmap(struct inode *, sector_t, struct extent_position *, |
5ca4e4be | 160 | struct kernel_lb_addr *, uint32_t *, sector_t *); |
7e49b6f2 JK |
161 | extern int udf_add_aext(struct inode *, struct extent_position *, |
162 | struct kernel_lb_addr *, uint32_t, int); | |
163 | extern void udf_write_aext(struct inode *, struct extent_position *, | |
97e961fd | 164 | struct kernel_lb_addr *, uint32_t, int); |
cb00ea35 | 165 | extern int8_t udf_delete_aext(struct inode *, struct extent_position, |
5ca4e4be | 166 | struct kernel_lb_addr, uint32_t); |
cb00ea35 | 167 | extern int8_t udf_next_aext(struct inode *, struct extent_position *, |
5ca4e4be | 168 | struct kernel_lb_addr *, uint32_t *, int); |
cb00ea35 | 169 | extern int8_t udf_current_aext(struct inode *, struct extent_position *, |
5ca4e4be | 170 | struct kernel_lb_addr *, uint32_t *, int); |
1da177e4 LT |
171 | |
172 | /* misc.c */ | |
173 | extern struct buffer_head *udf_tgetblk(struct super_block *, int); | |
174 | extern struct buffer_head *udf_tread(struct super_block *, int); | |
cb00ea35 CG |
175 | extern struct genericFormat *udf_add_extendedattr(struct inode *, uint32_t, |
176 | uint32_t, uint8_t); | |
177 | extern struct genericFormat *udf_get_extendedattr(struct inode *, uint32_t, | |
178 | uint8_t); | |
179 | extern struct buffer_head *udf_read_tagged(struct super_block *, uint32_t, | |
180 | uint32_t, uint16_t *); | |
181 | extern struct buffer_head *udf_read_ptagged(struct super_block *, | |
97e961fd | 182 | struct kernel_lb_addr *, uint32_t, |
cb00ea35 | 183 | uint16_t *); |
1da177e4 LT |
184 | extern void udf_update_tag(char *, int); |
185 | extern void udf_new_tag(char *, uint16_t, uint16_t, uint16_t, uint32_t, int); | |
186 | ||
187 | /* lowlevel.c */ | |
188 | extern unsigned int udf_get_last_session(struct super_block *); | |
189 | extern unsigned long udf_get_last_block(struct super_block *); | |
190 | ||
191 | /* partition.c */ | |
cb00ea35 CG |
192 | extern uint32_t udf_get_pblock(struct super_block *, uint32_t, uint16_t, |
193 | uint32_t); | |
194 | extern uint32_t udf_get_pblock_virt15(struct super_block *, uint32_t, uint16_t, | |
195 | uint32_t); | |
196 | extern uint32_t udf_get_pblock_virt20(struct super_block *, uint32_t, uint16_t, | |
197 | uint32_t); | |
198 | extern uint32_t udf_get_pblock_spar15(struct super_block *, uint32_t, uint16_t, | |
199 | uint32_t); | |
bfb257a5 JK |
200 | extern uint32_t udf_get_pblock_meta25(struct super_block *, uint32_t, uint16_t, |
201 | uint32_t); | |
1da177e4 LT |
202 | extern int udf_relocate_blocks(struct super_block *, long, long *); |
203 | ||
97e961fd PE |
204 | static inline uint32_t |
205 | udf_get_lb_pblock(struct super_block *sb, struct kernel_lb_addr *loc, | |
206 | uint32_t offset) | |
207 | { | |
208 | return udf_get_pblock(sb, loc->logicalBlockNum, | |
209 | loc->partitionReferenceNum, offset); | |
210 | } | |
211 | ||
1da177e4 | 212 | /* unicode.c */ |
0e5cc9a4 JK |
213 | extern int udf_get_filename(struct super_block *, uint8_t *, int, uint8_t *, |
214 | int); | |
cb00ea35 CG |
215 | extern int udf_put_filename(struct super_block *, const uint8_t *, uint8_t *, |
216 | int); | |
1da177e4 | 217 | extern int udf_build_ustr(struct ustr *, dstring *, int); |
79cfe0ff | 218 | extern int udf_CS0toUTF8(struct ustr *, const struct ustr *); |
1da177e4 LT |
219 | |
220 | /* ialloc.c */ | |
221 | extern void udf_free_inode(struct inode *); | |
0b93a92b | 222 | extern struct inode *udf_new_inode(struct inode *, umode_t); |
1da177e4 LT |
223 | |
224 | /* truncate.c */ | |
74584ae5 | 225 | extern void udf_truncate_tail_extent(struct inode *); |
1da177e4 LT |
226 | extern void udf_discard_prealloc(struct inode *); |
227 | extern void udf_truncate_extents(struct inode *); | |
228 | ||
229 | /* balloc.c */ | |
cb00ea35 | 230 | extern void udf_free_blocks(struct super_block *, struct inode *, |
97e961fd | 231 | struct kernel_lb_addr *, uint32_t, uint32_t); |
cb00ea35 CG |
232 | extern int udf_prealloc_blocks(struct super_block *, struct inode *, uint16_t, |
233 | uint32_t, uint32_t); | |
234 | extern int udf_new_block(struct super_block *, struct inode *, uint16_t, | |
235 | uint32_t, int *); | |
1da177e4 | 236 | |
1da177e4 | 237 | /* directory.c */ |
cb00ea35 CG |
238 | extern struct fileIdentDesc *udf_fileident_read(struct inode *, loff_t *, |
239 | struct udf_fileident_bh *, | |
240 | struct fileIdentDesc *, | |
241 | struct extent_position *, | |
5ca4e4be | 242 | struct kernel_lb_addr *, uint32_t *, |
cb00ea35 CG |
243 | sector_t *); |
244 | extern struct fileIdentDesc *udf_get_fileident(void *buffer, int bufsize, | |
245 | int *offset); | |
5ca4e4be PE |
246 | extern struct long_ad *udf_get_filelongad(uint8_t *, int, uint32_t *, int); |
247 | extern struct short_ad *udf_get_fileshortad(uint8_t *, int, uint32_t *, int); | |
1da177e4 | 248 | |
1da177e4 | 249 | /* udftime.c */ |
56774805 | 250 | extern struct timespec *udf_disk_stamp_to_time(struct timespec *dest, |
5ca4e4be PE |
251 | struct timestamp src); |
252 | extern struct timestamp *udf_time_to_disk_stamp(struct timestamp *dest, struct timespec src); | |
1da177e4 | 253 | |
cb00ea35 | 254 | #endif /* __UDF_DECL_H */ |