4 #define pr_fmt(fmt) "UDF-fs: " fmt
10 #include <linux/types.h>
11 #include <linux/buffer_head.h>
12 #include <linux/udf_fs_i.h>
18 #define UDF_PREALLOCATE
19 #define UDF_DEFAULT_PREALLOC_BLOCKS 8
21 __attribute__((format(printf
, 3, 4)))
22 extern void _udf_err(struct super_block
*sb
, const char *function
,
23 const char *fmt
, ...);
24 #define udf_err(sb, fmt, ...) \
25 _udf_err(sb, __func__, fmt, ##__VA_ARGS__)
27 __attribute__((format(printf
, 3, 4)))
28 extern void _udf_warn(struct super_block
*sb
, const char *function
,
29 const char *fmt
, ...);
30 #define udf_warn(sb, fmt, ...) \
31 _udf_warn(sb, __func__, fmt, ##__VA_ARGS__)
33 #define udf_info(fmt, ...) \
34 pr_info("INFO " fmt, ##__VA_ARGS__)
39 #define udf_debug(fmt, ...) \
40 printk(KERN_DEBUG pr_fmt("%s:%d:%s: " fmt), \
41 __FILE__, __LINE__, __func__, ##__VA_ARGS__)
43 #define udf_debug(fmt, ...) \
44 no_printk(fmt, ##__VA_ARGS__)
47 #define udf_fixed_to_variable(x) ( ( ( (x) >> 5 ) * 39 ) + ( (x) & 0x0000001F ) )
48 #define udf_variable_to_fixed(x) ( ( ( (x) / 39 ) << 5 ) + ( (x) % 39 ) )
50 #define UDF_EXTENT_LENGTH_MASK 0x3FFFFFFF
51 #define UDF_EXTENT_FLAG_MASK 0xC0000000
53 #define UDF_NAME_PAD 4
54 #define UDF_NAME_LEN 256
55 #define UDF_PATH_LEN 1023
57 static inline size_t udf_file_entry_alloc_offset(struct inode
*inode
)
59 struct udf_inode_info
*iinfo
= UDF_I(inode
);
61 return sizeof(struct unallocSpaceEntry
);
62 else if (iinfo
->i_efe
)
63 return sizeof(struct extendedFileEntry
) + iinfo
->i_lenEAttr
;
65 return sizeof(struct fileEntry
) + iinfo
->i_lenEAttr
;
68 static inline size_t udf_ext0_offset(struct inode
*inode
)
70 if (UDF_I(inode
)->i_alloc_type
== ICBTAG_FLAG_AD_IN_ICB
)
71 return udf_file_entry_alloc_offset(inode
);
76 /* computes tag checksum */
77 u8
udf_tag_checksum(const struct tag
*t
);
85 extern const struct export_operations udf_export_ops
;
86 extern const struct inode_operations udf_dir_inode_operations
;
87 extern const struct file_operations udf_dir_operations
;
88 extern const struct inode_operations udf_file_inode_operations
;
89 extern const struct file_operations udf_file_operations
;
90 extern const struct inode_operations udf_symlink_inode_operations
;
91 extern const struct address_space_operations udf_aops
;
92 extern const struct address_space_operations udf_adinicb_aops
;
93 extern const struct address_space_operations udf_symlink_aops
;
95 struct udf_fileident_bh
{
96 struct buffer_head
*sbh
;
97 struct buffer_head
*ebh
;
102 struct udf_vds_record
{
104 uint32_t volDescSeqNum
;
107 struct generic_desc
{
109 __le32 volDescSeqNum
;
114 uint8_t u_name
[UDF_NAME_LEN
- 2];
118 struct extent_position
{
119 struct buffer_head
*bh
;
121 struct kernel_lb_addr block
;
126 static inline void udf_updated_lvid(struct super_block
*sb
)
128 struct buffer_head
*bh
= UDF_SB(sb
)->s_lvid_bh
;
131 WARN_ON_ONCE(((struct logicalVolIntegrityDesc
*)
132 bh
->b_data
)->integrityType
!=
133 cpu_to_le32(LVID_INTEGRITY_TYPE_OPEN
));
135 UDF_SB(sb
)->s_lvid_dirty
= 1;
137 extern u64
lvid_get_unique_id(struct super_block
*sb
);
138 struct inode
*udf_find_metadata_inode_efe(struct super_block
*sb
,
139 u32 meta_file_loc
, u32 partition_num
);
142 extern int udf_write_fi(struct inode
*inode
, struct fileIdentDesc
*,
143 struct fileIdentDesc
*, struct udf_fileident_bh
*,
144 uint8_t *, uint8_t *);
147 extern long udf_ioctl(struct file
*, unsigned int, unsigned long);
149 extern struct inode
*udf_iget(struct super_block
*, struct kernel_lb_addr
*);
150 extern int udf_expand_file_adinicb(struct inode
*);
151 extern struct buffer_head
*udf_expand_dir_adinicb(struct inode
*, int *, int *);
152 extern struct buffer_head
*udf_bread(struct inode
*, int, int, int *);
153 extern int udf_setsize(struct inode
*, loff_t
);
154 extern void udf_read_inode(struct inode
*);
155 extern void udf_evict_inode(struct inode
*);
156 extern int udf_write_inode(struct inode
*, struct writeback_control
*wbc
);
157 extern long udf_block_map(struct inode
*, sector_t
);
158 extern int8_t inode_bmap(struct inode
*, sector_t
, struct extent_position
*,
159 struct kernel_lb_addr
*, uint32_t *, sector_t
*);
160 extern int udf_add_aext(struct inode
*, struct extent_position
*,
161 struct kernel_lb_addr
*, uint32_t, int);
162 extern void udf_write_aext(struct inode
*, struct extent_position
*,
163 struct kernel_lb_addr
*, uint32_t, int);
164 extern int8_t udf_delete_aext(struct inode
*, struct extent_position
,
165 struct kernel_lb_addr
, uint32_t);
166 extern int8_t udf_next_aext(struct inode
*, struct extent_position
*,
167 struct kernel_lb_addr
*, uint32_t *, int);
168 extern int8_t udf_current_aext(struct inode
*, struct extent_position
*,
169 struct kernel_lb_addr
*, uint32_t *, int);
172 extern struct buffer_head
*udf_tgetblk(struct super_block
*, int);
173 extern struct buffer_head
*udf_tread(struct super_block
*, int);
174 extern struct genericFormat
*udf_add_extendedattr(struct inode
*, uint32_t,
176 extern struct genericFormat
*udf_get_extendedattr(struct inode
*, uint32_t,
178 extern struct buffer_head
*udf_read_tagged(struct super_block
*, uint32_t,
179 uint32_t, uint16_t *);
180 extern struct buffer_head
*udf_read_ptagged(struct super_block
*,
181 struct kernel_lb_addr
*, uint32_t,
183 extern void udf_update_tag(char *, int);
184 extern void udf_new_tag(char *, uint16_t, uint16_t, uint16_t, uint32_t, int);
187 extern unsigned int udf_get_last_session(struct super_block
*);
188 extern unsigned long udf_get_last_block(struct super_block
*);
191 extern uint32_t udf_get_pblock(struct super_block
*, uint32_t, uint16_t,
193 extern uint32_t udf_get_pblock_virt15(struct super_block
*, uint32_t, uint16_t,
195 extern uint32_t udf_get_pblock_virt20(struct super_block
*, uint32_t, uint16_t,
197 extern uint32_t udf_get_pblock_spar15(struct super_block
*, uint32_t, uint16_t,
199 extern uint32_t udf_get_pblock_meta25(struct super_block
*, uint32_t, uint16_t,
201 extern int udf_relocate_blocks(struct super_block
*, long, long *);
203 static inline uint32_t
204 udf_get_lb_pblock(struct super_block
*sb
, struct kernel_lb_addr
*loc
,
207 return udf_get_pblock(sb
, loc
->logicalBlockNum
,
208 loc
->partitionReferenceNum
, offset
);
212 extern int udf_get_filename(struct super_block
*, uint8_t *, uint8_t *, int);
213 extern int udf_put_filename(struct super_block
*, const uint8_t *, uint8_t *,
215 extern int udf_build_ustr(struct ustr
*, dstring
*, int);
216 extern int udf_CS0toUTF8(struct ustr
*, const struct ustr
*);
219 extern void udf_free_inode(struct inode
*);
220 extern struct inode
*udf_new_inode(struct inode
*, int, int *);
223 extern void udf_truncate_tail_extent(struct inode
*);
224 extern void udf_discard_prealloc(struct inode
*);
225 extern void udf_truncate_extents(struct inode
*);
228 extern void udf_free_blocks(struct super_block
*, struct inode
*,
229 struct kernel_lb_addr
*, uint32_t, uint32_t);
230 extern int udf_prealloc_blocks(struct super_block
*, struct inode
*, uint16_t,
232 extern int udf_new_block(struct super_block
*, struct inode
*, uint16_t,
236 extern struct fileIdentDesc
*udf_fileident_read(struct inode
*, loff_t
*,
237 struct udf_fileident_bh
*,
238 struct fileIdentDesc
*,
239 struct extent_position
*,
240 struct kernel_lb_addr
*, uint32_t *,
242 extern struct fileIdentDesc
*udf_get_fileident(void *buffer
, int bufsize
,
244 extern struct long_ad
*udf_get_filelongad(uint8_t *, int, uint32_t *, int);
245 extern struct short_ad
*udf_get_fileshortad(uint8_t *, int, uint32_t *, int);
248 extern struct timespec
*udf_disk_stamp_to_time(struct timespec
*dest
,
249 struct timestamp src
);
250 extern struct timestamp
*udf_time_to_disk_stamp(struct timestamp
*dest
, struct timespec src
);
252 #endif /* __UDF_DECL_H */