fs/udf/udfdecl.h

   1 #ifndef __UDF_DECL_H
   2 #define __UDF_DECL_H
   3
   4 #include <linux/udf_fs.h>
   5 #include "ecma_167.h"
   6 #include "osta_udf.h"
   7
   8 #include <linux/fs.h>
   9 #include <linux/config.h>
  10 #include <linux/types.h>
  11 #include <linux/udf_fs_i.h>
  12 #include <linux/udf_fs_sb.h>
  13 #include <linux/buffer_head.h>
  14
  15 #include "udfend.h"
  16
  17 #define udf_fixed_to_variable(x) ( ( ( (x) >> 5 ) * 39 ) + ( (x) & 0x0000001F ) )
  18 #define udf_variable_to_fixed(x) ( ( ( (x) / 39 ) << 5 ) + ( (x) % 39 ) )
  19
  20 #define UDF_EXTENT_LENGTH_MASK  0x3FFFFFFF
  21 #define UDF_EXTENT_FLAG_MASK    0xC0000000
  22
  23 #define UDF_NAME_PAD            4
  24 #define UDF_NAME_LEN            256
  25 #define UDF_PATH_LEN            1023
  26
  27 #define udf_file_entry_alloc_offset(inode)\
  28         (UDF_I_USE(inode) ?\
  29                 sizeof(struct unallocSpaceEntry) :\
  30                 ((UDF_I_EFE(inode) ?\
  31                         sizeof(struct extendedFileEntry) :\
  32                         sizeof(struct fileEntry)) + UDF_I_LENEATTR(inode)))
  33
  34 #define udf_ext0_offset(inode)\
  35         (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB ?\
  36                 udf_file_entry_alloc_offset(inode) : 0)
  37
  38 #define udf_get_lb_pblock(sb,loc,offset) udf_get_pblock((sb), (loc).logicalBlockNum, (loc).partitionReferenceNum, (offset))
  39
  40 struct dentry;
  41 struct inode;
  42 struct task_struct;
  43 struct buffer_head;
  44 struct super_block;
  45
  46 extern struct inode_operations udf_dir_inode_operations;
  47 extern struct file_operations udf_dir_operations;
  48 extern struct inode_operations udf_file_inode_operations;
  49 extern struct file_operations udf_file_operations;
  50 extern struct address_space_operations udf_aops;
  51 extern struct address_space_operations udf_adinicb_aops;
  52 extern struct address_space_operations udf_symlink_aops;
  53
  54 struct udf_fileident_bh
  55 {
  56         struct buffer_head *sbh;
  57         struct buffer_head *ebh;
  58         int soffset;
  59         int eoffset;
  60 };
  61
  62 struct udf_vds_record
  63 {
  64         uint32_t block;
  65         uint32_t volDescSeqNum;
  66 };
  67
  68 struct generic_desc
  69 {
  70         tag             descTag;
  71         __le32          volDescSeqNum;
  72 };
  73
  74 struct ustr
  75 {
  76         uint8_t u_cmpID;
  77         uint8_t u_name[UDF_NAME_LEN-2];
  78         uint8_t u_len;
  79 };
  80
  81 /* super.c */
  82 extern void udf_error(struct super_block *, const char *, const char *, ...);
  83 extern void udf_warning(struct super_block *, const char *, const char *, ...);
  84
  85 /* namei.c */
  86 extern int udf_write_fi(struct inode *inode, struct fileIdentDesc *, struct fileIdentDesc *, struct udf_fileident_bh *, uint8_t *, uint8_t *);
  87
  88 /* file.c */
  89 extern int udf_ioctl(struct inode *, struct file *, unsigned int, unsigned long);
  90
  91 /* inode.c */
  92 extern struct inode *udf_iget(struct super_block *, kernel_lb_addr);
  93 extern int udf_sync_inode(struct inode *);
  94 extern void udf_expand_file_adinicb(struct inode *, int, int *);
  95 extern struct buffer_head * udf_expand_dir_adinicb(struct inode *, int *, int *);
  96 extern struct buffer_head * udf_bread(struct inode *, int, int, int *);
  97 extern void udf_truncate(struct inode *);
  98 extern void udf_read_inode(struct inode *);
  99 extern void udf_delete_inode(struct inode *);
 100 extern void udf_clear_inode(struct inode *);
 101 extern int udf_write_inode(struct inode *, int);
 102 extern long udf_block_map(struct inode *, long);
 103 extern int8_t inode_bmap(struct inode *, int, kernel_lb_addr *, uint32_t *, kernel_lb_addr *, uint32_t *, uint32_t *, struct buffer_head **);
 104 extern int8_t udf_add_aext(struct inode *, kernel_lb_addr *, int *, kernel_lb_addr, uint32_t, struct buffer_head **, int);
 105 extern int8_t udf_write_aext(struct inode *, kernel_lb_addr, int *, kernel_lb_addr, uint32_t, struct buffer_head *, int);
 106 extern int8_t udf_delete_aext(struct inode *, kernel_lb_addr, int, kernel_lb_addr, uint32_t, struct buffer_head *);
 107 extern int8_t udf_next_aext(struct inode *, kernel_lb_addr *, int *, kernel_lb_addr *, uint32_t *, struct buffer_head **, int);
 108 extern int8_t udf_current_aext(struct inode *, kernel_lb_addr *, int *, kernel_lb_addr *, uint32_t *, struct buffer_head **, int);
 109
 110 /* misc.c */
 111 extern struct buffer_head *udf_tgetblk(struct super_block *, int);
 112 extern struct buffer_head *udf_tread(struct super_block *, int);
 113 extern struct genericFormat *udf_add_extendedattr(struct inode *, uint32_t, uint32_t, uint8_t);
 114 extern struct genericFormat *udf_get_extendedattr(struct inode *, uint32_t, uint8_t);
 115 extern struct buffer_head *udf_read_tagged(struct super_block *, uint32_t, uint32_t, uint16_t *);
 116 extern struct buffer_head *udf_read_ptagged(struct super_block *, kernel_lb_addr, uint32_t, uint16_t *);
 117 extern void udf_release_data(struct buffer_head *);
 118 extern void udf_update_tag(char *, int);
 119 extern void udf_new_tag(char *, uint16_t, uint16_t, uint16_t, uint32_t, int);
 120
 121 /* lowlevel.c */
 122 extern unsigned int udf_get_last_session(struct super_block *);
 123 extern unsigned long udf_get_last_block(struct super_block *);
 124
 125 /* partition.c */
 126 extern uint32_t udf_get_pblock(struct super_block *, uint32_t, uint16_t, uint32_t);
 127 extern uint32_t udf_get_pblock_virt15(struct super_block *, uint32_t, uint16_t, uint32_t);
 128 extern uint32_t udf_get_pblock_virt20(struct super_block *, uint32_t, uint16_t, uint32_t);
 129 extern uint32_t udf_get_pblock_spar15(struct super_block *, uint32_t, uint16_t, uint32_t);
 130 extern int udf_relocate_blocks(struct super_block *, long, long *);
 131
 132 /* unicode.c */
 133 extern int udf_get_filename(struct super_block *, uint8_t *, uint8_t *, int);
 134 extern int udf_put_filename(struct super_block *, const uint8_t *, uint8_t *, int);
 135 extern int udf_build_ustr(struct ustr *, dstring *, int);
 136 extern int udf_CS0toUTF8(struct ustr *, struct ustr *);
 137
 138 /* ialloc.c */
 139 extern void udf_free_inode(struct inode *);
 140 extern struct inode * udf_new_inode (struct inode *, int, int *);
 141
 142 /* truncate.c */
 143 extern void udf_discard_prealloc(struct inode *);
 144 extern void udf_truncate_extents(struct inode *);
 145
 146 /* balloc.c */
 147 extern void udf_free_blocks(struct super_block *, struct inode *, kernel_lb_addr, uint32_t, uint32_t);
 148 extern int udf_prealloc_blocks(struct super_block *, struct inode *, uint16_t, uint32_t, uint32_t);
 149 extern int udf_new_block(struct super_block *, struct inode *, uint16_t, uint32_t, int *);
 150
 151 /* fsync.c */
 152 extern int udf_fsync_file(struct file *, struct dentry *, int);
 153
 154 /* directory.c */
 155 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 **);
 156 extern struct fileIdentDesc * udf_get_fileident(void * buffer, int bufsize, int * offset);
 157 extern long_ad * udf_get_filelongad(uint8_t *, int, int *, int);
 158 extern short_ad * udf_get_fileshortad(uint8_t *, int, int *, int);
 159
 160 /* crc.c */
 161 extern uint16_t udf_crc(uint8_t *, uint32_t, uint16_t);
 162
 163 /* udftime.c */
 164 extern time_t *udf_stamp_to_time(time_t *, long *, kernel_timestamp);
 165 extern kernel_timestamp *udf_time_to_stamp(kernel_timestamp *, struct timespec);
 166
 167 #endif /* __UDF_DECL_H */