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 extern __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__)
26 extern __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__)
31 #define udf_info(fmt, ...) \
32 pr_info("INFO " fmt, ##__VA_ARGS__)
37 #define udf_debug(fmt, ...) \
38 printk(KERN_DEBUG pr_fmt("%s:%d:%s: " fmt), \
39 __FILE__, __LINE__, __func__, ##__VA_ARGS__)
41 #define udf_debug(fmt, ...) \
42 no_printk(fmt, ##__VA_ARGS__)
45 #define udf_fixed_to_variable(x) ( ( ( (x) >> 5 ) * 39 ) + ( (x) & 0x0000001F ) )
46 #define udf_variable_to_fixed(x) ( ( ( (x) / 39 ) << 5 ) + ( (x) % 39 ) )
48 #define UDF_EXTENT_LENGTH_MASK 0x3FFFFFFF
49 #define UDF_EXTENT_FLAG_MASK 0xC0000000
51 #define UDF_NAME_PAD 4
52 #define UDF_NAME_LEN 256
53 #define UDF_PATH_LEN 1023
55 static inline size_t udf_file_entry_alloc_offset(struct inode *inode)
57 struct udf_inode_info *iinfo = UDF_I(inode);
59 return sizeof(struct unallocSpaceEntry);
60 else if (iinfo->i_efe)
61 return sizeof(struct extendedFileEntry) + iinfo->i_lenEAttr;
63 return sizeof(struct fileEntry) + iinfo->i_lenEAttr;
66 static inline size_t udf_ext0_offset(struct inode *inode)
68 if (UDF_I(inode)->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB)
69 return udf_file_entry_alloc_offset(inode);
74 /* computes tag checksum */
75 u8 udf_tag_checksum(const struct tag *t);
83 extern const struct export_operations udf_export_ops;
84 extern const struct inode_operations udf_dir_inode_operations;
85 extern const struct file_operations udf_dir_operations;
86 extern const struct inode_operations udf_file_inode_operations;
87 extern const struct file_operations udf_file_operations;
88 extern const struct inode_operations udf_symlink_inode_operations;
89 extern const struct address_space_operations udf_aops;
90 extern const struct address_space_operations udf_adinicb_aops;
91 extern const struct address_space_operations udf_symlink_aops;
93 struct udf_fileident_bh {
94 struct buffer_head *sbh;
95 struct buffer_head *ebh;
100 struct udf_vds_record {
102 uint32_t volDescSeqNum;
105 struct generic_desc {
107 __le32 volDescSeqNum;
112 uint8_t u_name[UDF_NAME_LEN - 2];
119 static inline void udf_updated_lvid(struct super_block *sb)
121 struct buffer_head *bh = UDF_SB(sb)->s_lvid_bh;
124 WARN_ON_ONCE(((struct logicalVolIntegrityDesc *)
125 bh->b_data)->integrityType !=
126 cpu_to_le32(LVID_INTEGRITY_TYPE_OPEN));
127 UDF_SB(sb)->s_lvid_dirty = 1;
129 extern u64 lvid_get_unique_id(struct super_block *sb);
130 struct inode *udf_find_metadata_inode_efe(struct super_block *sb,
131 u32 meta_file_loc, u32 partition_num);
134 extern int udf_write_fi(struct inode *inode, struct fileIdentDesc *,
135 struct fileIdentDesc *, struct udf_fileident_bh *,
136 uint8_t *, uint8_t *);
139 extern long udf_ioctl(struct file *, unsigned int, unsigned long);
141 extern struct inode *udf_iget(struct super_block *, struct kernel_lb_addr *);
142 extern int udf_expand_file_adinicb(struct inode *);
143 extern struct buffer_head *udf_expand_dir_adinicb(struct inode *, int *, int *);
144 extern struct buffer_head *udf_bread(struct inode *, int, int, int *);
145 extern int udf_setsize(struct inode *, loff_t);
146 extern void udf_read_inode(struct inode *);
147 extern void udf_evict_inode(struct inode *);
148 extern int udf_write_inode(struct inode *, struct writeback_control *wbc);
149 extern long udf_block_map(struct inode *, sector_t);
150 extern int8_t inode_bmap(struct inode *, sector_t, struct extent_position *,
151 struct kernel_lb_addr *, uint32_t *, sector_t *);
152 extern int udf_add_aext(struct inode *, struct extent_position *,
153 struct kernel_lb_addr *, uint32_t, int);
154 extern void udf_write_aext(struct inode *, struct extent_position *,
155 struct kernel_lb_addr *, uint32_t, int);
156 extern int8_t udf_delete_aext(struct inode *, struct extent_position,
157 struct kernel_lb_addr, uint32_t);
158 extern int8_t udf_next_aext(struct inode *, struct extent_position *,
159 struct kernel_lb_addr *, uint32_t *, int);
160 extern int8_t udf_current_aext(struct inode *, struct extent_position *,
161 struct kernel_lb_addr *, uint32_t *, int);
164 extern struct buffer_head *udf_tgetblk(struct super_block *, int);
165 extern struct buffer_head *udf_tread(struct super_block *, int);
166 extern struct genericFormat *udf_add_extendedattr(struct inode *, uint32_t,
168 extern struct genericFormat *udf_get_extendedattr(struct inode *, uint32_t,
170 extern struct buffer_head *udf_read_tagged(struct super_block *, uint32_t,
171 uint32_t, uint16_t *);
172 extern struct buffer_head *udf_read_ptagged(struct super_block *,
173 struct kernel_lb_addr *, uint32_t,
175 extern void udf_update_tag(char *, int);
176 extern void udf_new_tag(char *, uint16_t, uint16_t, uint16_t, uint32_t, int);
179 extern unsigned int udf_get_last_session(struct super_block *);
180 extern unsigned long udf_get_last_block(struct super_block *);
183 extern uint32_t udf_get_pblock(struct super_block *, uint32_t, uint16_t,
185 extern uint32_t udf_get_pblock_virt15(struct super_block *, uint32_t, uint16_t,
187 extern uint32_t udf_get_pblock_virt20(struct super_block *, uint32_t, uint16_t,
189 extern uint32_t udf_get_pblock_spar15(struct super_block *, uint32_t, uint16_t,
191 extern uint32_t udf_get_pblock_meta25(struct super_block *, uint32_t, uint16_t,
193 extern int udf_relocate_blocks(struct super_block *, long, long *);
195 static inline uint32_t
196 udf_get_lb_pblock(struct super_block *sb, struct kernel_lb_addr *loc,
199 return udf_get_pblock(sb, loc->logicalBlockNum,
200 loc->partitionReferenceNum, offset);
204 extern int udf_get_filename(struct super_block *, uint8_t *, uint8_t *, int);
205 extern int udf_put_filename(struct super_block *, const uint8_t *, uint8_t *,
207 extern int udf_build_ustr(struct ustr *, dstring *, int);
208 extern int udf_CS0toUTF8(struct ustr *, const struct ustr *);
211 extern void udf_free_inode(struct inode *);
212 extern struct inode *udf_new_inode(struct inode *, umode_t, int *);
215 extern void udf_truncate_tail_extent(struct inode *);
216 extern void udf_discard_prealloc(struct inode *);
217 extern void udf_truncate_extents(struct inode *);
220 extern void udf_free_blocks(struct super_block *, struct inode *,
221 struct kernel_lb_addr *, uint32_t, uint32_t);
222 extern int udf_prealloc_blocks(struct super_block *, struct inode *, uint16_t,
224 extern int udf_new_block(struct super_block *, struct inode *, uint16_t,
228 extern struct fileIdentDesc *udf_fileident_read(struct inode *, loff_t *,
229 struct udf_fileident_bh *,
230 struct fileIdentDesc *,
231 struct extent_position *,
232 struct kernel_lb_addr *, uint32_t *,
234 extern struct fileIdentDesc *udf_get_fileident(void *buffer, int bufsize,
236 extern struct long_ad *udf_get_filelongad(uint8_t *, int, uint32_t *, int);
237 extern struct short_ad *udf_get_fileshortad(uint8_t *, int, uint32_t *, int);
240 extern struct timespec *udf_disk_stamp_to_time(struct timespec *dest,
241 struct timestamp src);
242 extern struct timestamp *udf_time_to_disk_stamp(struct timestamp *dest, struct timespec src);
244 #endif /* __UDF_DECL_H */