8 #include <linux/types.h>
9 #include <linux/buffer_head.h>
10 #include <linux/udf_fs_i.h>
16 #define UDF_PREALLOCATE
17 #define UDF_DEFAULT_PREALLOC_BLOCKS 8
22 #define udf_debug(f, a...) \
24 printk(KERN_DEBUG "UDF-fs DEBUG %s:%d:%s: ", \
25 __FILE__, __LINE__, __func__); \
29 #define udf_debug(f, a...) /**/
32 #define udf_info(f, a...) \
33 printk(KERN_INFO "UDF-fs INFO " f, ##a);
36 #define udf_fixed_to_variable(x) ( ( ( (x) >> 5 ) * 39 ) + ( (x) & 0x0000001F ) )
37 #define udf_variable_to_fixed(x) ( ( ( (x) / 39 ) << 5 ) + ( (x) % 39 ) )
39 #define UDF_EXTENT_LENGTH_MASK 0x3FFFFFFF
40 #define UDF_EXTENT_FLAG_MASK 0xC0000000
42 #define UDF_NAME_PAD 4
43 #define UDF_NAME_LEN 256
44 #define UDF_PATH_LEN 1023
46 static inline size_t udf_file_entry_alloc_offset(struct inode
*inode
)
48 struct udf_inode_info
*iinfo
= UDF_I(inode
);
50 return sizeof(struct unallocSpaceEntry
);
51 else if (iinfo
->i_efe
)
52 return sizeof(struct extendedFileEntry
) + iinfo
->i_lenEAttr
;
54 return sizeof(struct fileEntry
) + iinfo
->i_lenEAttr
;
57 static inline size_t udf_ext0_offset(struct inode
*inode
)
59 if (UDF_I(inode
)->i_alloc_type
== ICBTAG_FLAG_AD_IN_ICB
)
60 return udf_file_entry_alloc_offset(inode
);
65 /* computes tag checksum */
66 u8
udf_tag_checksum(const struct tag
*t
);
74 extern const struct export_operations udf_export_ops
;
75 extern const struct inode_operations udf_dir_inode_operations
;
76 extern const struct file_operations udf_dir_operations
;
77 extern const struct inode_operations udf_file_inode_operations
;
78 extern const struct file_operations udf_file_operations
;
79 extern const struct inode_operations udf_symlink_inode_operations
;
80 extern const struct address_space_operations udf_aops
;
81 extern const struct address_space_operations udf_adinicb_aops
;
82 extern const struct address_space_operations udf_symlink_aops
;
84 struct udf_fileident_bh
{
85 struct buffer_head
*sbh
;
86 struct buffer_head
*ebh
;
91 struct udf_vds_record
{
93 uint32_t volDescSeqNum
;
103 uint8_t u_name
[UDF_NAME_LEN
- 2];
107 struct extent_position
{
108 struct buffer_head
*bh
;
110 struct kernel_lb_addr block
;
114 extern void udf_warning(struct super_block
*, const char *, const char *, ...);
115 static inline void udf_updated_lvid(struct super_block
*sb
)
117 struct buffer_head
*bh
= UDF_SB(sb
)->s_lvid_bh
;
120 WARN_ON_ONCE(((struct logicalVolIntegrityDesc
*)
121 bh
->b_data
)->integrityType
!=
122 cpu_to_le32(LVID_INTEGRITY_TYPE_OPEN
));
124 UDF_SB(sb
)->s_lvid_dirty
= 1;
128 extern int udf_write_fi(struct inode
*inode
, struct fileIdentDesc
*,
129 struct fileIdentDesc
*, struct udf_fileident_bh
*,
130 uint8_t *, uint8_t *);
133 extern long udf_ioctl(struct file
*, unsigned int, unsigned long);
134 extern int udf_setattr(struct dentry
*dentry
, struct iattr
*iattr
);
136 extern struct inode
*udf_iget(struct super_block
*, struct kernel_lb_addr
*);
137 extern int udf_sync_inode(struct inode
*);
138 extern void udf_expand_file_adinicb(struct inode
*, int, int *);
139 extern struct buffer_head
*udf_expand_dir_adinicb(struct inode
*, int *, int *);
140 extern struct buffer_head
*udf_bread(struct inode
*, int, int, int *);
141 extern void udf_truncate(struct inode
*);
142 extern void udf_read_inode(struct inode
*);
143 extern void udf_delete_inode(struct inode
*);
144 extern void udf_clear_inode(struct inode
*);
145 extern int udf_write_inode(struct inode
*, struct writeback_control
*wbc
);
146 extern long udf_block_map(struct inode
*, sector_t
);
147 extern int udf_extend_file(struct inode
*, struct extent_position
*,
148 struct kernel_long_ad
*, sector_t
);
149 extern int8_t inode_bmap(struct inode
*, sector_t
, struct extent_position
*,
150 struct kernel_lb_addr
*, uint32_t *, sector_t
*);
151 extern int8_t udf_add_aext(struct inode
*, struct extent_position
*,
152 struct kernel_lb_addr
*, uint32_t, int);
153 extern int8_t udf_write_aext(struct inode
*, struct extent_position
*,
154 struct kernel_lb_addr
*, uint32_t, int);
155 extern int8_t udf_delete_aext(struct inode
*, struct extent_position
,
156 struct kernel_lb_addr
, uint32_t);
157 extern int8_t udf_next_aext(struct inode
*, struct extent_position
*,
158 struct kernel_lb_addr
*, uint32_t *, int);
159 extern int8_t udf_current_aext(struct inode
*, struct extent_position
*,
160 struct kernel_lb_addr
*, uint32_t *, int);
163 extern struct buffer_head
*udf_tgetblk(struct super_block
*, int);
164 extern struct buffer_head
*udf_tread(struct super_block
*, int);
165 extern struct genericFormat
*udf_add_extendedattr(struct inode
*, uint32_t,
167 extern struct genericFormat
*udf_get_extendedattr(struct inode
*, uint32_t,
169 extern struct buffer_head
*udf_read_tagged(struct super_block
*, uint32_t,
170 uint32_t, uint16_t *);
171 extern struct buffer_head
*udf_read_ptagged(struct super_block
*,
172 struct kernel_lb_addr
*, uint32_t,
174 extern void udf_update_tag(char *, int);
175 extern void udf_new_tag(char *, uint16_t, uint16_t, uint16_t, uint32_t, int);
178 extern unsigned int udf_get_last_session(struct super_block
*);
179 extern unsigned long udf_get_last_block(struct super_block
*);
182 extern uint32_t udf_get_pblock(struct super_block
*, uint32_t, uint16_t,
184 extern uint32_t udf_get_pblock_virt15(struct super_block
*, uint32_t, uint16_t,
186 extern uint32_t udf_get_pblock_virt20(struct super_block
*, uint32_t, uint16_t,
188 extern uint32_t udf_get_pblock_spar15(struct super_block
*, uint32_t, uint16_t,
190 extern uint32_t udf_get_pblock_meta25(struct super_block
*, uint32_t, uint16_t,
192 extern int udf_relocate_blocks(struct super_block
*, long, long *);
194 static inline uint32_t
195 udf_get_lb_pblock(struct super_block
*sb
, struct kernel_lb_addr
*loc
,
198 return udf_get_pblock(sb
, loc
->logicalBlockNum
,
199 loc
->partitionReferenceNum
, offset
);
203 extern int udf_get_filename(struct super_block
*, uint8_t *, uint8_t *, int);
204 extern int udf_put_filename(struct super_block
*, const uint8_t *, uint8_t *,
206 extern int udf_build_ustr(struct ustr
*, dstring
*, int);
207 extern int udf_CS0toUTF8(struct ustr
*, const struct ustr
*);
210 extern void udf_free_inode(struct inode
*);
211 extern struct inode
*udf_new_inode(struct inode
*, int, int *);
214 extern void udf_truncate_tail_extent(struct inode
*);
215 extern void udf_discard_prealloc(struct inode
*);
216 extern void udf_truncate_extents(struct inode
*);
219 extern void udf_free_blocks(struct super_block
*, struct inode
*,
220 struct kernel_lb_addr
*, uint32_t, uint32_t);
221 extern int udf_prealloc_blocks(struct super_block
*, struct inode
*, uint16_t,
223 extern int udf_new_block(struct super_block
*, struct inode
*, uint16_t,
227 extern struct fileIdentDesc
*udf_fileident_read(struct inode
*, loff_t
*,
228 struct udf_fileident_bh
*,
229 struct fileIdentDesc
*,
230 struct extent_position
*,
231 struct kernel_lb_addr
*, uint32_t *,
233 extern struct fileIdentDesc
*udf_get_fileident(void *buffer
, int bufsize
,
235 extern struct long_ad
*udf_get_filelongad(uint8_t *, int, uint32_t *, int);
236 extern struct short_ad
*udf_get_fileshortad(uint8_t *, int, uint32_t *, int);
239 extern struct timespec
*udf_disk_stamp_to_time(struct timespec
*dest
,
240 struct timestamp src
);
241 extern struct timestamp
*udf_time_to_disk_stamp(struct timestamp
*dest
, struct timespec src
);
243 #endif /* __UDF_DECL_H */