4 #include <linux/udf_fs.h>
9 #include <linux/types.h>
10 #include <linux/udf_fs_i.h>
11 #include <linux/udf_fs_sb.h>
12 #include <linux/buffer_head.h>
16 #define udf_fixed_to_variable(x) ( ( ( (x) >> 5 ) * 39 ) + ( (x) & 0x0000001F ) )
17 #define udf_variable_to_fixed(x) ( ( ( (x) / 39 ) << 5 ) + ( (x) % 39 ) )
19 #define UDF_EXTENT_LENGTH_MASK 0x3FFFFFFF
20 #define UDF_EXTENT_FLAG_MASK 0xC0000000
22 #define UDF_NAME_PAD 4
23 #define UDF_NAME_LEN 256
24 #define UDF_PATH_LEN 1023
26 #define udf_file_entry_alloc_offset(inode)\
28 sizeof(struct unallocSpaceEntry) :\
30 sizeof(struct extendedFileEntry) :\
31 sizeof(struct fileEntry)) + UDF_I_LENEATTR(inode)))
33 #define udf_ext0_offset(inode)\
34 (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB ?\
35 udf_file_entry_alloc_offset(inode) : 0)
37 #define udf_get_lb_pblock(sb,loc,offset) udf_get_pblock((sb), (loc).logicalBlockNum, (loc).partitionReferenceNum, (offset))
45 extern const struct inode_operations udf_dir_inode_operations;
46 extern const struct file_operations udf_dir_operations;
47 extern const struct inode_operations udf_file_inode_operations;
48 extern const struct file_operations udf_file_operations;
49 extern const struct address_space_operations udf_aops;
50 extern const struct address_space_operations udf_adinicb_aops;
51 extern const struct address_space_operations udf_symlink_aops;
53 struct udf_fileident_bh
55 struct buffer_head *sbh;
56 struct buffer_head *ebh;
64 uint32_t volDescSeqNum;
76 uint8_t u_name[UDF_NAME_LEN-2];
81 extern void udf_error(struct super_block *, const char *, const char *, ...);
82 extern void udf_warning(struct super_block *, const char *, const char *, ...);
85 extern int udf_write_fi(struct inode *inode, struct fileIdentDesc *, struct fileIdentDesc *, struct udf_fileident_bh *, uint8_t *, uint8_t *);
88 extern int udf_ioctl(struct inode *, struct file *, unsigned int, unsigned long);
91 extern struct inode *udf_iget(struct super_block *, kernel_lb_addr);
92 extern int udf_sync_inode(struct inode *);
93 extern void udf_expand_file_adinicb(struct inode *, int, int *);
94 extern struct buffer_head * udf_expand_dir_adinicb(struct inode *, int *, int *);
95 extern struct buffer_head * udf_bread(struct inode *, int, int, int *);
96 extern void udf_truncate(struct inode *);
97 extern void udf_read_inode(struct inode *);
98 extern void udf_delete_inode(struct inode *);
99 extern void udf_clear_inode(struct inode *);
100 extern int udf_write_inode(struct inode *, int);
101 extern long udf_block_map(struct inode *, long);
102 extern int8_t inode_bmap(struct inode *, int, kernel_lb_addr *, uint32_t *, kernel_lb_addr *, uint32_t *, uint32_t *, struct buffer_head **);
103 extern int8_t udf_add_aext(struct inode *, kernel_lb_addr *, int *, kernel_lb_addr, uint32_t, struct buffer_head **, int);
104 extern int8_t udf_write_aext(struct inode *, kernel_lb_addr, int *, kernel_lb_addr, uint32_t, struct buffer_head *, int);
105 extern int8_t udf_delete_aext(struct inode *, kernel_lb_addr, int, kernel_lb_addr, uint32_t, struct buffer_head *);
106 extern int8_t udf_next_aext(struct inode *, kernel_lb_addr *, int *, kernel_lb_addr *, uint32_t *, struct buffer_head **, int);
107 extern int8_t udf_current_aext(struct inode *, kernel_lb_addr *, int *, kernel_lb_addr *, uint32_t *, struct buffer_head **, int);
110 extern struct buffer_head *udf_tgetblk(struct super_block *, int);
111 extern struct buffer_head *udf_tread(struct super_block *, int);
112 extern struct genericFormat *udf_add_extendedattr(struct inode *, uint32_t, uint32_t, uint8_t);
113 extern struct genericFormat *udf_get_extendedattr(struct inode *, uint32_t, uint8_t);
114 extern struct buffer_head *udf_read_tagged(struct super_block *, uint32_t, uint32_t, uint16_t *);
115 extern struct buffer_head *udf_read_ptagged(struct super_block *, kernel_lb_addr, uint32_t, uint16_t *);
116 extern void udf_release_data(struct buffer_head *);
117 extern void udf_update_tag(char *, int);
118 extern void udf_new_tag(char *, uint16_t, uint16_t, uint16_t, uint32_t, int);
121 extern unsigned int udf_get_last_session(struct super_block *);
122 extern unsigned long udf_get_last_block(struct super_block *);
125 extern uint32_t udf_get_pblock(struct super_block *, uint32_t, uint16_t, uint32_t);
126 extern uint32_t udf_get_pblock_virt15(struct super_block *, uint32_t, uint16_t, uint32_t);
127 extern uint32_t udf_get_pblock_virt20(struct super_block *, uint32_t, uint16_t, uint32_t);
128 extern uint32_t udf_get_pblock_spar15(struct super_block *, uint32_t, uint16_t, uint32_t);
129 extern int udf_relocate_blocks(struct super_block *, long, long *);
132 extern int udf_get_filename(struct super_block *, uint8_t *, uint8_t *, int);
133 extern int udf_put_filename(struct super_block *, const uint8_t *, uint8_t *, int);
134 extern int udf_build_ustr(struct ustr *, dstring *, int);
135 extern int udf_CS0toUTF8(struct ustr *, struct ustr *);
138 extern void udf_free_inode(struct inode *);
139 extern struct inode * udf_new_inode (struct inode *, int, int *);
142 extern void udf_discard_prealloc(struct inode *);
143 extern void udf_truncate_extents(struct inode *);
146 extern void udf_free_blocks(struct super_block *, struct inode *, kernel_lb_addr, uint32_t, uint32_t);
147 extern int udf_prealloc_blocks(struct super_block *, struct inode *, uint16_t, uint32_t, uint32_t);
148 extern int udf_new_block(struct super_block *, struct inode *, uint16_t, uint32_t, int *);
151 extern int udf_fsync_file(struct file *, struct dentry *, int);
154 extern struct fileIdentDesc * udf_fileident_read(struct inode *, loff_t *, struct udf_fileident_bh *, struct fileIdentDesc *, kernel_lb_addr *, uint32_t *, kernel_lb_addr *, uint32_t *, uint32_t *, struct buffer_head **);
155 extern struct fileIdentDesc * udf_get_fileident(void * buffer, int bufsize, int * offset);
156 extern long_ad * udf_get_filelongad(uint8_t *, int, int *, int);
157 extern short_ad * udf_get_fileshortad(uint8_t *, int, int *, int);
160 extern uint16_t udf_crc(uint8_t *, uint32_t, uint16_t);
163 extern time_t *udf_stamp_to_time(time_t *, long *, kernel_timestamp);
164 extern kernel_timestamp *udf_time_to_stamp(kernel_timestamp *, struct timespec);
166 #endif /* __UDF_DECL_H */