1 | /* vi: set sw=4 ts=4: */
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2 | /*
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3 | * ext2fs.h --- ext2fs
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4 | *
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5 | * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o.
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6 | *
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7 | * %Begin-Header%
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8 | * This file may be redistributed under the terms of the GNU Public
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9 | * License.
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10 | * %End-Header%
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11 | */
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12 |
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13 | #ifndef _EXT2FS_EXT2FS_H
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14 | #define _EXT2FS_EXT2FS_H
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15 |
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16 |
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17 | #define EXT2FS_ATTR(x)
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18 |
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19 | #ifdef __cplusplus
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20 | extern "C" {
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21 | #endif
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22 |
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23 | /*
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24 | * Where the master copy of the superblock is located, and how big
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25 | * superblocks are supposed to be. We define SUPERBLOCK_SIZE because
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26 | * the size of the superblock structure is not necessarily trustworthy
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27 | * (some versions have the padding set up so that the superblock is
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28 | * 1032 bytes long).
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29 | */
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30 | #define SUPERBLOCK_OFFSET 1024
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31 | #define SUPERBLOCK_SIZE 1024
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32 |
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33 | /*
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34 | * The last ext2fs revision level that this version of the library is
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35 | * able to support.
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36 | */
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37 | #define EXT2_LIB_CURRENT_REV EXT2_DYNAMIC_REV
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38 |
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39 | #ifdef HAVE_SYS_TYPES_H
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40 | #include <sys/types.h>
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41 | #endif
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42 |
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43 | #include <stdio.h>
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44 | #include <stdlib.h>
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45 |
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46 | #include "ext2_types.h"
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47 | #include "ext2_fs.h"
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48 |
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49 | typedef __u32 ext2_ino_t;
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50 | typedef __u32 blk_t;
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51 | typedef __u32 dgrp_t;
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52 | typedef __u32 ext2_off_t;
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53 | typedef __s64 e2_blkcnt_t;
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54 | typedef __u32 ext2_dirhash_t;
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55 |
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56 | #include "ext2_io.h"
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57 | #include "ext2_err.h"
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58 |
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59 | typedef struct struct_ext2_filsys *ext2_filsys;
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60 |
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61 | struct ext2fs_struct_generic_bitmap {
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62 | errcode_t magic;
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63 | ext2_filsys fs;
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64 | __u32 start, end;
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65 | __u32 real_end;
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66 | char * description;
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67 | char * bitmap;
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68 | errcode_t base_error_code;
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69 | __u32 reserved[7];
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70 | };
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71 |
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72 | #define EXT2FS_MARK_ERROR 0
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73 | #define EXT2FS_UNMARK_ERROR 1
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74 | #define EXT2FS_TEST_ERROR 2
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75 |
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76 | typedef struct ext2fs_struct_generic_bitmap *ext2fs_generic_bitmap;
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77 | typedef struct ext2fs_struct_generic_bitmap *ext2fs_inode_bitmap;
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78 | typedef struct ext2fs_struct_generic_bitmap *ext2fs_block_bitmap;
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79 |
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80 | #define EXT2_FIRST_INODE(s) EXT2_FIRST_INO(s)
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81 |
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82 | /*
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83 | * badblocks list definitions
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84 | */
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85 |
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86 | typedef struct ext2_struct_u32_list *ext2_badblocks_list;
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87 | typedef struct ext2_struct_u32_iterate *ext2_badblocks_iterate;
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88 |
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89 | typedef struct ext2_struct_u32_list *ext2_u32_list;
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90 | typedef struct ext2_struct_u32_iterate *ext2_u32_iterate;
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91 |
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92 | /* old */
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93 | typedef struct ext2_struct_u32_list *badblocks_list;
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94 | typedef struct ext2_struct_u32_iterate *badblocks_iterate;
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95 |
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96 | #define BADBLOCKS_FLAG_DIRTY 1
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97 |
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98 | /*
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99 | * ext2_dblist structure and abstractions (see dblist.c)
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100 | */
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101 | struct ext2_db_entry {
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102 | ext2_ino_t ino;
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103 | blk_t blk;
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104 | int blockcnt;
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105 | };
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106 |
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107 | typedef struct ext2_struct_dblist *ext2_dblist;
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108 |
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109 | #define DBLIST_ABORT 1
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110 |
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111 | /*
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112 | * ext2_fileio definitions
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113 | */
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114 |
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115 | #define EXT2_FILE_WRITE 0x0001
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116 | #define EXT2_FILE_CREATE 0x0002
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117 |
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118 | #define EXT2_FILE_MASK 0x00FF
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119 |
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120 | #define EXT2_FILE_BUF_DIRTY 0x4000
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121 | #define EXT2_FILE_BUF_VALID 0x2000
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122 |
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123 | typedef struct ext2_file *ext2_file_t;
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124 |
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125 | #define EXT2_SEEK_SET 0
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126 | #define EXT2_SEEK_CUR 1
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127 | #define EXT2_SEEK_END 2
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128 |
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129 | /*
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130 | * Flags for the ext2_filsys structure and for ext2fs_open()
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131 | */
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132 | #define EXT2_FLAG_RW 0x01
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133 | #define EXT2_FLAG_CHANGED 0x02
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134 | #define EXT2_FLAG_DIRTY 0x04
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135 | #define EXT2_FLAG_VALID 0x08
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136 | #define EXT2_FLAG_IB_DIRTY 0x10
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137 | #define EXT2_FLAG_BB_DIRTY 0x20
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138 | #define EXT2_FLAG_SWAP_BYTES 0x40
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139 | #define EXT2_FLAG_SWAP_BYTES_READ 0x80
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140 | #define EXT2_FLAG_SWAP_BYTES_WRITE 0x100
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141 | #define EXT2_FLAG_MASTER_SB_ONLY 0x200
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142 | #define EXT2_FLAG_FORCE 0x400
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143 | #define EXT2_FLAG_SUPER_ONLY 0x800
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144 | #define EXT2_FLAG_JOURNAL_DEV_OK 0x1000
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145 | #define EXT2_FLAG_IMAGE_FILE 0x2000
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146 |
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147 | /*
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148 | * Special flag in the ext2 inode i_flag field that means that this is
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149 | * a new inode. (So that ext2_write_inode() can clear extra fields.)
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150 | */
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151 | #define EXT2_NEW_INODE_FL 0x80000000
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152 |
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153 | /*
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154 | * Flags for mkjournal
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155 | *
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156 | * EXT2_MKJOURNAL_V1_SUPER Make a (deprecated) V1 journal superblock
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157 | */
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158 | #define EXT2_MKJOURNAL_V1_SUPER 0x0000001
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159 |
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160 | struct struct_ext2_filsys {
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161 | errcode_t magic;
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162 | io_channel io;
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163 | int flags;
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164 | char * device_name;
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165 | struct ext2_super_block * super;
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166 | unsigned int blocksize;
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167 | int fragsize;
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168 | dgrp_t group_desc_count;
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169 | unsigned long desc_blocks;
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170 | struct ext2_group_desc * group_desc;
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171 | int inode_blocks_per_group;
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172 | ext2fs_inode_bitmap inode_map;
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173 | ext2fs_block_bitmap block_map;
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174 | errcode_t (*get_blocks)(ext2_filsys fs, ext2_ino_t ino, blk_t *blocks);
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175 | errcode_t (*check_directory)(ext2_filsys fs, ext2_ino_t ino);
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176 | errcode_t (*write_bitmaps)(ext2_filsys fs);
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177 | errcode_t (*read_inode)(ext2_filsys fs, ext2_ino_t ino,
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178 | struct ext2_inode *inode);
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179 | errcode_t (*write_inode)(ext2_filsys fs, ext2_ino_t ino,
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180 | struct ext2_inode *inode);
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181 | ext2_badblocks_list badblocks;
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182 | ext2_dblist dblist;
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183 | __u32 stride; /* for mke2fs */
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184 | struct ext2_super_block * orig_super;
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185 | struct ext2_image_hdr * image_header;
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186 | __u32 umask;
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187 | /*
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188 | * Reserved for future expansion
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189 | */
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190 | __u32 reserved[8];
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191 |
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192 | /*
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193 | * Reserved for the use of the calling application.
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194 | */
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195 | void * priv_data;
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196 |
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197 | /*
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198 | * Inode cache
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199 | */
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200 | struct ext2_inode_cache *icache;
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201 | io_channel image_io;
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202 | };
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203 |
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204 | #include "bitops.h"
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205 |
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206 | /*
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207 | * Return flags for the block iterator functions
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208 | */
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209 | #define BLOCK_CHANGED 1
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210 | #define BLOCK_ABORT 2
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211 | #define BLOCK_ERROR 4
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212 |
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213 | /*
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214 | * Block interate flags
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215 | *
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216 | * BLOCK_FLAG_APPEND, or BLOCK_FLAG_HOLE, indicates that the interator
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217 | * function should be called on blocks where the block number is zero.
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218 | * This is used by ext2fs_expand_dir() to be able to add a new block
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219 | * to an inode. It can also be used for programs that want to be able
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220 | * to deal with files that contain "holes".
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221 | *
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222 | * BLOCK_FLAG_TRAVERSE indicates that the iterator function for the
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223 | * indirect, doubly indirect, etc. blocks should be called after all
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224 | * of the blocks containined in the indirect blocks are processed.
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225 | * This is useful if you are going to be deallocating blocks from an
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226 | * inode.
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227 | *
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228 | * BLOCK_FLAG_DATA_ONLY indicates that the iterator function should be
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229 | * called for data blocks only.
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230 | *
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231 | * BLOCK_FLAG_NO_LARGE is for internal use only. It informs
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232 | * ext2fs_block_iterate2 that large files won't be accepted.
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233 | */
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234 | #define BLOCK_FLAG_APPEND 1
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235 | #define BLOCK_FLAG_HOLE 1
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236 | #define BLOCK_FLAG_DEPTH_TRAVERSE 2
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237 | #define BLOCK_FLAG_DATA_ONLY 4
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238 |
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239 | #define BLOCK_FLAG_NO_LARGE 0x1000
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240 |
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241 | /*
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242 | * Magic "block count" return values for the block iterator function.
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243 | */
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244 | #define BLOCK_COUNT_IND (-1)
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245 | #define BLOCK_COUNT_DIND (-2)
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246 | #define BLOCK_COUNT_TIND (-3)
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247 | #define BLOCK_COUNT_TRANSLATOR (-4)
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248 |
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249 | #if 0
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250 | /*
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251 | * Flags for ext2fs_move_blocks
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252 | */
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253 | #define EXT2_BMOVE_GET_DBLIST 0x0001
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254 | #define EXT2_BMOVE_DEBUG 0x0002
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255 | #endif
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256 |
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257 | /*
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258 | * Flags for directory block reading and writing functions
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259 | */
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260 | #define EXT2_DIRBLOCK_V2_STRUCT 0x0001
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261 |
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262 | /*
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263 | * Return flags for the directory iterator functions
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264 | */
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265 | #define DIRENT_CHANGED 1
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266 | #define DIRENT_ABORT 2
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267 | #define DIRENT_ERROR 3
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268 |
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269 | /*
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270 | * Directory iterator flags
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271 | */
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272 |
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273 | #define DIRENT_FLAG_INCLUDE_EMPTY 1
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274 | #define DIRENT_FLAG_INCLUDE_REMOVED 2
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275 |
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276 | #define DIRENT_DOT_FILE 1
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277 | #define DIRENT_DOT_DOT_FILE 2
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278 | #define DIRENT_OTHER_FILE 3
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279 | #define DIRENT_DELETED_FILE 4
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280 |
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281 | /*
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282 | * Inode scan definitions
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283 | */
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284 | typedef struct ext2_struct_inode_scan *ext2_inode_scan;
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285 |
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286 | /*
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287 | * ext2fs_scan flags
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288 | */
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289 | #define EXT2_SF_CHK_BADBLOCKS 0x0001
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290 | #define EXT2_SF_BAD_INODE_BLK 0x0002
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291 | #define EXT2_SF_BAD_EXTRA_BYTES 0x0004
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292 | #define EXT2_SF_SKIP_MISSING_ITABLE 0x0008
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293 |
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294 | /*
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295 | * ext2fs_check_if_mounted flags
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296 | */
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297 | #define EXT2_MF_MOUNTED 1
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298 | #define EXT2_MF_ISROOT 2
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299 | #define EXT2_MF_READONLY 4
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300 | #define EXT2_MF_SWAP 8
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301 | #define EXT2_MF_BUSY 16
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302 |
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303 | /*
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304 | * Ext2/linux mode flags. We define them here so that we don't need
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305 | * to depend on the OS's sys/stat.h, since we may be compiling on a
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306 | * non-Linux system.
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307 | */
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308 | #define LINUX_S_IFMT 00170000
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309 | #define LINUX_S_IFSOCK 0140000
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310 | #define LINUX_S_IFLNK 0120000
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311 | #define LINUX_S_IFREG 0100000
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312 | #define LINUX_S_IFBLK 0060000
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313 | #define LINUX_S_IFDIR 0040000
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314 | #define LINUX_S_IFCHR 0020000
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315 | #define LINUX_S_IFIFO 0010000
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316 | #define LINUX_S_ISUID 0004000
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317 | #define LINUX_S_ISGID 0002000
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318 | #define LINUX_S_ISVTX 0001000
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319 |
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320 | #define LINUX_S_IRWXU 00700
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321 | #define LINUX_S_IRUSR 00400
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322 | #define LINUX_S_IWUSR 00200
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323 | #define LINUX_S_IXUSR 00100
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324 |
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325 | #define LINUX_S_IRWXG 00070
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326 | #define LINUX_S_IRGRP 00040
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327 | #define LINUX_S_IWGRP 00020
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328 | #define LINUX_S_IXGRP 00010
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329 |
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330 | #define LINUX_S_IRWXO 00007
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331 | #define LINUX_S_IROTH 00004
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332 | #define LINUX_S_IWOTH 00002
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333 | #define LINUX_S_IXOTH 00001
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334 |
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335 | #define LINUX_S_ISLNK(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFLNK)
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336 | #define LINUX_S_ISREG(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFREG)
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337 | #define LINUX_S_ISDIR(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFDIR)
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338 | #define LINUX_S_ISCHR(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFCHR)
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339 | #define LINUX_S_ISBLK(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFBLK)
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340 | #define LINUX_S_ISFIFO(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFIFO)
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341 | #define LINUX_S_ISSOCK(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFSOCK)
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342 |
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343 | /*
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344 | * ext2 size of an inode
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345 | */
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346 | #define EXT2_I_SIZE(i) ((i)->i_size | ((__u64) (i)->i_size_high << 32))
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347 |
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348 | /*
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349 | * ext2_icount_t abstraction
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350 | */
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351 | #define EXT2_ICOUNT_OPT_INCREMENT 0x01
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352 |
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353 | typedef struct ext2_icount *ext2_icount_t;
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354 |
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355 | /*
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356 | * Flags for ext2fs_bmap
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357 | */
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358 | #define BMAP_ALLOC 0x0001
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359 | #define BMAP_SET 0x0002
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360 |
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361 | /*
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362 | * Flags for imager.c functions
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363 | */
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364 | #define IMAGER_FLAG_INODEMAP 1
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365 | #define IMAGER_FLAG_SPARSEWRITE 2
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366 |
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367 | /*
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368 | * For checking structure magic numbers...
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369 | */
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370 |
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371 | #define EXT2_CHECK_MAGIC(struct, code) \
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372 | if ((struct)->magic != (code)) return (code)
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373 |
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374 |
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375 | /*
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376 | * For ext2 compression support
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377 | */
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378 | #define EXT2FS_COMPRESSED_BLKADDR ((blk_t) 0xffffffff)
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379 | #define HOLE_BLKADDR(_b) ((_b) == 0 || (_b) == EXT2FS_COMPRESSED_BLKADDR)
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380 |
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381 | /*
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382 | * Features supported by this version of the library
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383 | */
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384 | #define EXT2_LIB_FEATURE_COMPAT_SUPP (EXT2_FEATURE_COMPAT_DIR_PREALLOC|\
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385 | EXT2_FEATURE_COMPAT_IMAGIC_INODES|\
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386 | EXT3_FEATURE_COMPAT_HAS_JOURNAL|\
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387 | EXT2_FEATURE_COMPAT_RESIZE_INODE|\
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388 | EXT2_FEATURE_COMPAT_DIR_INDEX|\
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389 | EXT2_FEATURE_COMPAT_EXT_ATTR)
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390 |
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391 | /* This #ifdef is temporary until compression is fully supported */
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392 | #ifdef ENABLE_COMPRESSION
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393 | #ifndef I_KNOW_THAT_COMPRESSION_IS_EXPERIMENTAL
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394 | /* If the below warning bugs you, then have
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395 | `CPPFLAGS=-DI_KNOW_THAT_COMPRESSION_IS_EXPERIMENTAL' in your
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396 | environment at configure time. */
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397 | #warning "Compression support is experimental"
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398 | #endif
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399 | #define EXT2_LIB_FEATURE_INCOMPAT_SUPP (EXT2_FEATURE_INCOMPAT_FILETYPE|\
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400 | EXT2_FEATURE_INCOMPAT_COMPRESSION|\
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401 | EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|\
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402 | EXT2_FEATURE_INCOMPAT_META_BG|\
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403 | EXT3_FEATURE_INCOMPAT_RECOVER)
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404 | #else
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405 | #define EXT2_LIB_FEATURE_INCOMPAT_SUPP (EXT2_FEATURE_INCOMPAT_FILETYPE|\
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406 | EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|\
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407 | EXT2_FEATURE_INCOMPAT_META_BG|\
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408 | EXT3_FEATURE_INCOMPAT_RECOVER)
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409 | #endif
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410 | #define EXT2_LIB_FEATURE_RO_COMPAT_SUPP (EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER|\
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411 | EXT2_FEATURE_RO_COMPAT_LARGE_FILE)
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412 | /*
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413 | * function prototypes
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414 | */
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415 |
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416 | /* alloc.c */
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417 | extern errcode_t ext2fs_new_inode(ext2_filsys fs, ext2_ino_t dir, int mode,
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418 | ext2fs_inode_bitmap map, ext2_ino_t *ret);
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419 | extern errcode_t ext2fs_new_block(ext2_filsys fs, blk_t goal,
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420 | ext2fs_block_bitmap map, blk_t *ret);
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421 | extern errcode_t ext2fs_get_free_blocks(ext2_filsys fs, blk_t start,
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422 | blk_t finish, int num,
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423 | ext2fs_block_bitmap map,
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424 | blk_t *ret);
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425 | extern errcode_t ext2fs_alloc_block(ext2_filsys fs, blk_t goal,
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426 | char *block_buf, blk_t *ret);
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427 |
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428 | /* alloc_sb.c */
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429 | extern int ext2fs_reserve_super_and_bgd(ext2_filsys fs,
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430 | dgrp_t group,
|
---|
431 | ext2fs_block_bitmap bmap);
|
---|
432 |
|
---|
433 | /* alloc_stats.c */
|
---|
434 | void ext2fs_inode_alloc_stats(ext2_filsys fs, ext2_ino_t ino, int inuse);
|
---|
435 | void ext2fs_inode_alloc_stats2(ext2_filsys fs, ext2_ino_t ino,
|
---|
436 | int inuse, int isdir);
|
---|
437 | void ext2fs_block_alloc_stats(ext2_filsys fs, blk_t blk, int inuse);
|
---|
438 |
|
---|
439 | /* alloc_tables.c */
|
---|
440 | extern errcode_t ext2fs_allocate_tables(ext2_filsys fs);
|
---|
441 | extern errcode_t ext2fs_allocate_group_table(ext2_filsys fs, dgrp_t group,
|
---|
442 | ext2fs_block_bitmap bmap);
|
---|
443 |
|
---|
444 | /* badblocks.c */
|
---|
445 | extern errcode_t ext2fs_u32_list_create(ext2_u32_list *ret, int size);
|
---|
446 | extern errcode_t ext2fs_u32_list_add(ext2_u32_list bb, __u32 blk);
|
---|
447 | extern int ext2fs_u32_list_find(ext2_u32_list bb, __u32 blk);
|
---|
448 | extern int ext2fs_u32_list_test(ext2_u32_list bb, blk_t blk);
|
---|
449 | extern errcode_t ext2fs_u32_list_iterate_begin(ext2_u32_list bb,
|
---|
450 | ext2_u32_iterate *ret);
|
---|
451 | extern int ext2fs_u32_list_iterate(ext2_u32_iterate iter, blk_t *blk);
|
---|
452 | extern void ext2fs_u32_list_iterate_end(ext2_u32_iterate iter);
|
---|
453 | extern errcode_t ext2fs_u32_copy(ext2_u32_list src, ext2_u32_list *dest);
|
---|
454 | extern int ext2fs_u32_list_equal(ext2_u32_list bb1, ext2_u32_list bb2);
|
---|
455 |
|
---|
456 | extern errcode_t ext2fs_badblocks_list_create(ext2_badblocks_list *ret,
|
---|
457 | int size);
|
---|
458 | extern errcode_t ext2fs_badblocks_list_add(ext2_badblocks_list bb,
|
---|
459 | blk_t blk);
|
---|
460 | extern int ext2fs_badblocks_list_test(ext2_badblocks_list bb,
|
---|
461 | blk_t blk);
|
---|
462 | extern int ext2fs_u32_list_del(ext2_u32_list bb, __u32 blk);
|
---|
463 | extern void ext2fs_badblocks_list_del(ext2_u32_list bb, __u32 blk);
|
---|
464 | extern errcode_t
|
---|
465 | ext2fs_badblocks_list_iterate_begin(ext2_badblocks_list bb,
|
---|
466 | ext2_badblocks_iterate *ret);
|
---|
467 | extern int ext2fs_badblocks_list_iterate(ext2_badblocks_iterate iter,
|
---|
468 | blk_t *blk);
|
---|
469 | extern void ext2fs_badblocks_list_iterate_end(ext2_badblocks_iterate iter);
|
---|
470 | extern errcode_t ext2fs_badblocks_copy(ext2_badblocks_list src,
|
---|
471 | ext2_badblocks_list *dest);
|
---|
472 | extern int ext2fs_badblocks_equal(ext2_badblocks_list bb1,
|
---|
473 | ext2_badblocks_list bb2);
|
---|
474 | extern int ext2fs_u32_list_count(ext2_u32_list bb);
|
---|
475 |
|
---|
476 | /* bb_compat */
|
---|
477 | extern errcode_t badblocks_list_create(badblocks_list *ret, int size);
|
---|
478 | extern errcode_t badblocks_list_add(badblocks_list bb, blk_t blk);
|
---|
479 | extern int badblocks_list_test(badblocks_list bb, blk_t blk);
|
---|
480 | extern errcode_t badblocks_list_iterate_begin(badblocks_list bb,
|
---|
481 | badblocks_iterate *ret);
|
---|
482 | extern int badblocks_list_iterate(badblocks_iterate iter, blk_t *blk);
|
---|
483 | extern void badblocks_list_iterate_end(badblocks_iterate iter);
|
---|
484 | extern void badblocks_list_free(badblocks_list bb);
|
---|
485 |
|
---|
486 | /* bb_inode.c */
|
---|
487 | extern errcode_t ext2fs_update_bb_inode(ext2_filsys fs,
|
---|
488 | ext2_badblocks_list bb_list);
|
---|
489 |
|
---|
490 | /* bitmaps.c */
|
---|
491 | extern errcode_t ext2fs_write_inode_bitmap(ext2_filsys fs);
|
---|
492 | extern errcode_t ext2fs_write_block_bitmap (ext2_filsys fs);
|
---|
493 | extern errcode_t ext2fs_read_inode_bitmap (ext2_filsys fs);
|
---|
494 | extern errcode_t ext2fs_read_block_bitmap(ext2_filsys fs);
|
---|
495 | extern errcode_t ext2fs_allocate_generic_bitmap(__u32 start,
|
---|
496 | __u32 end,
|
---|
497 | __u32 real_end,
|
---|
498 | const char *descr,
|
---|
499 | ext2fs_generic_bitmap *ret);
|
---|
500 | extern errcode_t ext2fs_allocate_block_bitmap(ext2_filsys fs,
|
---|
501 | const char *descr,
|
---|
502 | ext2fs_block_bitmap *ret);
|
---|
503 | extern errcode_t ext2fs_allocate_inode_bitmap(ext2_filsys fs,
|
---|
504 | const char *descr,
|
---|
505 | ext2fs_inode_bitmap *ret);
|
---|
506 | extern errcode_t ext2fs_fudge_inode_bitmap_end(ext2fs_inode_bitmap bitmap,
|
---|
507 | ext2_ino_t end, ext2_ino_t *oend);
|
---|
508 | extern errcode_t ext2fs_fudge_block_bitmap_end(ext2fs_block_bitmap bitmap,
|
---|
509 | blk_t end, blk_t *oend);
|
---|
510 | extern void ext2fs_clear_inode_bitmap(ext2fs_inode_bitmap bitmap);
|
---|
511 | extern void ext2fs_clear_block_bitmap(ext2fs_block_bitmap bitmap);
|
---|
512 | extern errcode_t ext2fs_read_bitmaps(ext2_filsys fs);
|
---|
513 | extern errcode_t ext2fs_write_bitmaps(ext2_filsys fs);
|
---|
514 |
|
---|
515 | /* block.c */
|
---|
516 | extern errcode_t ext2fs_block_iterate(ext2_filsys fs,
|
---|
517 | ext2_ino_t ino,
|
---|
518 | int flags,
|
---|
519 | char *block_buf,
|
---|
520 | int (*func)(ext2_filsys fs,
|
---|
521 | blk_t *blocknr,
|
---|
522 | int blockcnt,
|
---|
523 | void *priv_data),
|
---|
524 | void *priv_data);
|
---|
525 | errcode_t ext2fs_block_iterate2(ext2_filsys fs,
|
---|
526 | ext2_ino_t ino,
|
---|
527 | int flags,
|
---|
528 | char *block_buf,
|
---|
529 | int (*func)(ext2_filsys fs,
|
---|
530 | blk_t *blocknr,
|
---|
531 | e2_blkcnt_t blockcnt,
|
---|
532 | blk_t ref_blk,
|
---|
533 | int ref_offset,
|
---|
534 | void *priv_data),
|
---|
535 | void *priv_data);
|
---|
536 |
|
---|
537 | /* bmap.c */
|
---|
538 | extern errcode_t ext2fs_bmap(ext2_filsys fs, ext2_ino_t ino,
|
---|
539 | struct ext2_inode *inode,
|
---|
540 | char *block_buf, int bmap_flags,
|
---|
541 | blk_t block, blk_t *phys_blk);
|
---|
542 |
|
---|
543 |
|
---|
544 | #if 0
|
---|
545 | /* bmove.c */
|
---|
546 | extern errcode_t ext2fs_move_blocks(ext2_filsys fs,
|
---|
547 | ext2fs_block_bitmap reserve,
|
---|
548 | ext2fs_block_bitmap alloc_map,
|
---|
549 | int flags);
|
---|
550 | #endif
|
---|
551 |
|
---|
552 | /* check_desc.c */
|
---|
553 | extern errcode_t ext2fs_check_desc(ext2_filsys fs);
|
---|
554 |
|
---|
555 | /* closefs.c */
|
---|
556 | extern errcode_t ext2fs_close(ext2_filsys fs);
|
---|
557 | extern errcode_t ext2fs_flush(ext2_filsys fs);
|
---|
558 | extern int ext2fs_bg_has_super(ext2_filsys fs, int group_block);
|
---|
559 | extern int ext2fs_super_and_bgd_loc(ext2_filsys fs,
|
---|
560 | dgrp_t group,
|
---|
561 | blk_t *ret_super_blk,
|
---|
562 | blk_t *ret_old_desc_blk,
|
---|
563 | blk_t *ret_new_desc_blk,
|
---|
564 | int *ret_meta_bg);
|
---|
565 | extern void ext2fs_update_dynamic_rev(ext2_filsys fs);
|
---|
566 |
|
---|
567 | /* cmp_bitmaps.c */
|
---|
568 | extern errcode_t ext2fs_compare_block_bitmap(ext2fs_block_bitmap bm1,
|
---|
569 | ext2fs_block_bitmap bm2);
|
---|
570 | extern errcode_t ext2fs_compare_inode_bitmap(ext2fs_inode_bitmap bm1,
|
---|
571 | ext2fs_inode_bitmap bm2);
|
---|
572 |
|
---|
573 | /* dblist.c */
|
---|
574 |
|
---|
575 | extern errcode_t ext2fs_get_num_dirs(ext2_filsys fs, ext2_ino_t *ret_num_dirs);
|
---|
576 | extern errcode_t ext2fs_init_dblist(ext2_filsys fs, ext2_dblist *ret_dblist);
|
---|
577 | extern errcode_t ext2fs_add_dir_block(ext2_dblist dblist, ext2_ino_t ino,
|
---|
578 | blk_t blk, int blockcnt);
|
---|
579 | extern void ext2fs_dblist_sort(ext2_dblist dblist,
|
---|
580 | int (*sortfunc)(const void *,
|
---|
581 | const void *));
|
---|
582 | extern errcode_t ext2fs_dblist_iterate(ext2_dblist dblist,
|
---|
583 | int (*func)(ext2_filsys fs, struct ext2_db_entry *db_info,
|
---|
584 | void *priv_data),
|
---|
585 | void *priv_data);
|
---|
586 | extern errcode_t ext2fs_set_dir_block(ext2_dblist dblist, ext2_ino_t ino,
|
---|
587 | blk_t blk, int blockcnt);
|
---|
588 | extern errcode_t ext2fs_copy_dblist(ext2_dblist src,
|
---|
589 | ext2_dblist *dest);
|
---|
590 | extern int ext2fs_dblist_count(ext2_dblist dblist);
|
---|
591 |
|
---|
592 | /* dblist_dir.c */
|
---|
593 | extern errcode_t
|
---|
594 | ext2fs_dblist_dir_iterate(ext2_dblist dblist,
|
---|
595 | int flags,
|
---|
596 | char *block_buf,
|
---|
597 | int (*func)(ext2_ino_t dir,
|
---|
598 | int entry,
|
---|
599 | struct ext2_dir_entry *dirent,
|
---|
600 | int offset,
|
---|
601 | int blocksize,
|
---|
602 | char *buf,
|
---|
603 | void *priv_data),
|
---|
604 | void *priv_data);
|
---|
605 |
|
---|
606 | /* dirblock.c */
|
---|
607 | extern errcode_t ext2fs_read_dir_block(ext2_filsys fs, blk_t block,
|
---|
608 | void *buf);
|
---|
609 | extern errcode_t ext2fs_read_dir_block2(ext2_filsys fs, blk_t block,
|
---|
610 | void *buf, int flags);
|
---|
611 | extern errcode_t ext2fs_write_dir_block(ext2_filsys fs, blk_t block,
|
---|
612 | void *buf);
|
---|
613 | extern errcode_t ext2fs_write_dir_block2(ext2_filsys fs, blk_t block,
|
---|
614 | void *buf, int flags);
|
---|
615 |
|
---|
616 | /* dirhash.c */
|
---|
617 | extern errcode_t ext2fs_dirhash(int version, const char *name, int len,
|
---|
618 | const __u32 *seed,
|
---|
619 | ext2_dirhash_t *ret_hash,
|
---|
620 | ext2_dirhash_t *ret_minor_hash);
|
---|
621 |
|
---|
622 |
|
---|
623 | /* dir_iterate.c */
|
---|
624 | extern errcode_t ext2fs_dir_iterate(ext2_filsys fs,
|
---|
625 | ext2_ino_t dir,
|
---|
626 | int flags,
|
---|
627 | char *block_buf,
|
---|
628 | int (*func)(struct ext2_dir_entry *dirent,
|
---|
629 | int offset,
|
---|
630 | int blocksize,
|
---|
631 | char *buf,
|
---|
632 | void *priv_data),
|
---|
633 | void *priv_data);
|
---|
634 | extern errcode_t ext2fs_dir_iterate2(ext2_filsys fs,
|
---|
635 | ext2_ino_t dir,
|
---|
636 | int flags,
|
---|
637 | char *block_buf,
|
---|
638 | int (*func)(ext2_ino_t dir,
|
---|
639 | int entry,
|
---|
640 | struct ext2_dir_entry *dirent,
|
---|
641 | int offset,
|
---|
642 | int blocksize,
|
---|
643 | char *buf,
|
---|
644 | void *priv_data),
|
---|
645 | void *priv_data);
|
---|
646 |
|
---|
647 | /* dupfs.c */
|
---|
648 | extern errcode_t ext2fs_dup_handle(ext2_filsys src, ext2_filsys *dest);
|
---|
649 |
|
---|
650 | /* expanddir.c */
|
---|
651 | extern errcode_t ext2fs_expand_dir(ext2_filsys fs, ext2_ino_t dir);
|
---|
652 |
|
---|
653 | /* ext_attr.c */
|
---|
654 | extern errcode_t ext2fs_read_ext_attr(ext2_filsys fs, blk_t block, void *buf);
|
---|
655 | extern errcode_t ext2fs_write_ext_attr(ext2_filsys fs, blk_t block,
|
---|
656 | void *buf);
|
---|
657 | extern errcode_t ext2fs_adjust_ea_refcount(ext2_filsys fs, blk_t blk,
|
---|
658 | char *block_buf,
|
---|
659 | int adjust, __u32 *newcount);
|
---|
660 |
|
---|
661 | /* fileio.c */
|
---|
662 | extern errcode_t ext2fs_file_open2(ext2_filsys fs, ext2_ino_t ino,
|
---|
663 | struct ext2_inode *inode,
|
---|
664 | int flags, ext2_file_t *ret);
|
---|
665 | extern errcode_t ext2fs_file_open(ext2_filsys fs, ext2_ino_t ino,
|
---|
666 | int flags, ext2_file_t *ret);
|
---|
667 | extern ext2_filsys ext2fs_file_get_fs(ext2_file_t file);
|
---|
668 | extern errcode_t ext2fs_file_close(ext2_file_t file);
|
---|
669 | extern errcode_t ext2fs_file_flush(ext2_file_t file);
|
---|
670 | extern errcode_t ext2fs_file_read(ext2_file_t file, void *buf,
|
---|
671 | unsigned int wanted, unsigned int *got);
|
---|
672 | extern errcode_t ext2fs_file_write(ext2_file_t file, const void *buf,
|
---|
673 | unsigned int nbytes, unsigned int *written);
|
---|
674 | extern errcode_t ext2fs_file_llseek(ext2_file_t file, __u64 offset,
|
---|
675 | int whence, __u64 *ret_pos);
|
---|
676 | extern errcode_t ext2fs_file_lseek(ext2_file_t file, ext2_off_t offset,
|
---|
677 | int whence, ext2_off_t *ret_pos);
|
---|
678 | errcode_t ext2fs_file_get_lsize(ext2_file_t file, __u64 *ret_size);
|
---|
679 | extern ext2_off_t ext2fs_file_get_size(ext2_file_t file);
|
---|
680 | extern errcode_t ext2fs_file_set_size(ext2_file_t file, ext2_off_t size);
|
---|
681 |
|
---|
682 | /* finddev.c */
|
---|
683 | extern char *ext2fs_find_block_device(dev_t device);
|
---|
684 |
|
---|
685 | /* flushb.c */
|
---|
686 | extern errcode_t ext2fs_sync_device(int fd, int flushb);
|
---|
687 |
|
---|
688 | /* freefs.c */
|
---|
689 | extern void ext2fs_free(ext2_filsys fs);
|
---|
690 | extern void ext2fs_free_generic_bitmap(ext2fs_inode_bitmap bitmap);
|
---|
691 | extern void ext2fs_free_block_bitmap(ext2fs_block_bitmap bitmap);
|
---|
692 | extern void ext2fs_free_inode_bitmap(ext2fs_inode_bitmap bitmap);
|
---|
693 | extern void ext2fs_free_dblist(ext2_dblist dblist);
|
---|
694 | extern void ext2fs_badblocks_list_free(ext2_badblocks_list bb);
|
---|
695 | extern void ext2fs_u32_list_free(ext2_u32_list bb);
|
---|
696 |
|
---|
697 | /* getsize.c */
|
---|
698 | extern errcode_t ext2fs_get_device_size(const char *file, int blocksize,
|
---|
699 | blk_t *retblocks);
|
---|
700 |
|
---|
701 | /* getsectsize.c */
|
---|
702 | errcode_t ext2fs_get_device_sectsize(const char *file, int *sectsize);
|
---|
703 |
|
---|
704 | /* imager.c */
|
---|
705 | extern errcode_t ext2fs_image_inode_write(ext2_filsys fs, int fd, int flags);
|
---|
706 | extern errcode_t ext2fs_image_inode_read(ext2_filsys fs, int fd, int flags);
|
---|
707 | extern errcode_t ext2fs_image_super_write(ext2_filsys fs, int fd, int flags);
|
---|
708 | extern errcode_t ext2fs_image_super_read(ext2_filsys fs, int fd, int flags);
|
---|
709 | extern errcode_t ext2fs_image_bitmap_write(ext2_filsys fs, int fd, int flags);
|
---|
710 | extern errcode_t ext2fs_image_bitmap_read(ext2_filsys fs, int fd, int flags);
|
---|
711 |
|
---|
712 | /* ind_block.c */
|
---|
713 | errcode_t ext2fs_read_ind_block(ext2_filsys fs, blk_t blk, void *buf);
|
---|
714 | errcode_t ext2fs_write_ind_block(ext2_filsys fs, blk_t blk, void *buf);
|
---|
715 |
|
---|
716 | /* initialize.c */
|
---|
717 | extern errcode_t ext2fs_initialize(const char *name, int flags,
|
---|
718 | struct ext2_super_block *param,
|
---|
719 | io_manager manager, ext2_filsys *ret_fs);
|
---|
720 |
|
---|
721 | /* icount.c */
|
---|
722 | extern void ext2fs_free_icount(ext2_icount_t icount);
|
---|
723 | extern errcode_t ext2fs_create_icount2(ext2_filsys fs, int flags,
|
---|
724 | unsigned int size,
|
---|
725 | ext2_icount_t hint, ext2_icount_t *ret);
|
---|
726 | extern errcode_t ext2fs_create_icount(ext2_filsys fs, int flags,
|
---|
727 | unsigned int size,
|
---|
728 | ext2_icount_t *ret);
|
---|
729 | extern errcode_t ext2fs_icount_fetch(ext2_icount_t icount, ext2_ino_t ino,
|
---|
730 | __u16 *ret);
|
---|
731 | extern errcode_t ext2fs_icount_increment(ext2_icount_t icount, ext2_ino_t ino,
|
---|
732 | __u16 *ret);
|
---|
733 | extern errcode_t ext2fs_icount_decrement(ext2_icount_t icount, ext2_ino_t ino,
|
---|
734 | __u16 *ret);
|
---|
735 | extern errcode_t ext2fs_icount_store(ext2_icount_t icount, ext2_ino_t ino,
|
---|
736 | __u16 count);
|
---|
737 | extern ext2_ino_t ext2fs_get_icount_size(ext2_icount_t icount);
|
---|
738 | errcode_t ext2fs_icount_validate(ext2_icount_t icount, FILE *);
|
---|
739 |
|
---|
740 | /* inode.c */
|
---|
741 | extern errcode_t ext2fs_flush_icache(ext2_filsys fs);
|
---|
742 | extern errcode_t ext2fs_get_next_inode_full(ext2_inode_scan scan,
|
---|
743 | ext2_ino_t *ino,
|
---|
744 | struct ext2_inode *inode,
|
---|
745 | int bufsize);
|
---|
746 | extern errcode_t ext2fs_open_inode_scan(ext2_filsys fs, int buffer_blocks,
|
---|
747 | ext2_inode_scan *ret_scan);
|
---|
748 | extern void ext2fs_close_inode_scan(ext2_inode_scan scan);
|
---|
749 | extern errcode_t ext2fs_get_next_inode(ext2_inode_scan scan, ext2_ino_t *ino,
|
---|
750 | struct ext2_inode *inode);
|
---|
751 | extern errcode_t ext2fs_inode_scan_goto_blockgroup(ext2_inode_scan scan,
|
---|
752 | int group);
|
---|
753 | extern void ext2fs_set_inode_callback
|
---|
754 | (ext2_inode_scan scan,
|
---|
755 | errcode_t (*done_group)(ext2_filsys fs,
|
---|
756 | dgrp_t group,
|
---|
757 | void * priv_data),
|
---|
758 | void *done_group_data);
|
---|
759 | extern int ext2fs_inode_scan_flags(ext2_inode_scan scan, int set_flags,
|
---|
760 | int clear_flags);
|
---|
761 | extern errcode_t ext2fs_read_inode_full(ext2_filsys fs, ext2_ino_t ino,
|
---|
762 | struct ext2_inode * inode,
|
---|
763 | int bufsize);
|
---|
764 | extern errcode_t ext2fs_read_inode (ext2_filsys fs, ext2_ino_t ino,
|
---|
765 | struct ext2_inode * inode);
|
---|
766 | extern errcode_t ext2fs_write_inode_full(ext2_filsys fs, ext2_ino_t ino,
|
---|
767 | struct ext2_inode * inode,
|
---|
768 | int bufsize);
|
---|
769 | extern errcode_t ext2fs_write_inode(ext2_filsys fs, ext2_ino_t ino,
|
---|
770 | struct ext2_inode * inode);
|
---|
771 | extern errcode_t ext2fs_write_new_inode(ext2_filsys fs, ext2_ino_t ino,
|
---|
772 | struct ext2_inode * inode);
|
---|
773 | extern errcode_t ext2fs_get_blocks(ext2_filsys fs, ext2_ino_t ino, blk_t *blocks);
|
---|
774 | extern errcode_t ext2fs_check_directory(ext2_filsys fs, ext2_ino_t ino);
|
---|
775 |
|
---|
776 | /* inode_io.c */
|
---|
777 | extern io_manager inode_io_manager;
|
---|
778 | extern errcode_t ext2fs_inode_io_intern(ext2_filsys fs, ext2_ino_t ino,
|
---|
779 | char **name);
|
---|
780 | extern errcode_t ext2fs_inode_io_intern2(ext2_filsys fs, ext2_ino_t ino,
|
---|
781 | struct ext2_inode *inode,
|
---|
782 | char **name);
|
---|
783 |
|
---|
784 | /* ismounted.c */
|
---|
785 | extern errcode_t ext2fs_check_if_mounted(const char *file, int *mount_flags);
|
---|
786 | extern errcode_t ext2fs_check_mount_point(const char *device, int *mount_flags,
|
---|
787 | char *mtpt, int mtlen);
|
---|
788 |
|
---|
789 | /* namei.c */
|
---|
790 | extern errcode_t ext2fs_lookup(ext2_filsys fs, ext2_ino_t dir, const char *name,
|
---|
791 | int namelen, char *buf, ext2_ino_t *inode);
|
---|
792 | extern errcode_t ext2fs_namei(ext2_filsys fs, ext2_ino_t root, ext2_ino_t cwd,
|
---|
793 | const char *name, ext2_ino_t *inode);
|
---|
794 | errcode_t ext2fs_namei_follow(ext2_filsys fs, ext2_ino_t root, ext2_ino_t cwd,
|
---|
795 | const char *name, ext2_ino_t *inode);
|
---|
796 | extern errcode_t ext2fs_follow_link(ext2_filsys fs, ext2_ino_t root, ext2_ino_t cwd,
|
---|
797 | ext2_ino_t inode, ext2_ino_t *res_inode);
|
---|
798 |
|
---|
799 | /* native.c */
|
---|
800 | int ext2fs_native_flag(void);
|
---|
801 |
|
---|
802 | /* newdir.c */
|
---|
803 | extern errcode_t ext2fs_new_dir_block(ext2_filsys fs, ext2_ino_t dir_ino,
|
---|
804 | ext2_ino_t parent_ino, char **block);
|
---|
805 |
|
---|
806 | /* mkdir.c */
|
---|
807 | extern errcode_t ext2fs_mkdir(ext2_filsys fs, ext2_ino_t parent, ext2_ino_t inum,
|
---|
808 | const char *name);
|
---|
809 |
|
---|
810 | /* mkjournal.c */
|
---|
811 | extern errcode_t ext2fs_create_journal_superblock(ext2_filsys fs,
|
---|
812 | __u32 size, int flags,
|
---|
813 | char **ret_jsb);
|
---|
814 | extern errcode_t ext2fs_add_journal_device(ext2_filsys fs,
|
---|
815 | ext2_filsys journal_dev);
|
---|
816 | extern errcode_t ext2fs_add_journal_inode(ext2_filsys fs, blk_t size,
|
---|
817 | int flags);
|
---|
818 |
|
---|
819 | /* openfs.c */
|
---|
820 | extern errcode_t ext2fs_open(const char *name, int flags, int superblock,
|
---|
821 | unsigned int block_size, io_manager manager,
|
---|
822 | ext2_filsys *ret_fs);
|
---|
823 | extern errcode_t ext2fs_open2(const char *name, const char *io_options,
|
---|
824 | int flags, int superblock,
|
---|
825 | unsigned int block_size, io_manager manager,
|
---|
826 | ext2_filsys *ret_fs);
|
---|
827 | extern blk_t ext2fs_descriptor_block_loc(ext2_filsys fs, blk_t group_block,
|
---|
828 | dgrp_t i);
|
---|
829 | errcode_t ext2fs_get_data_io(ext2_filsys fs, io_channel *old_io);
|
---|
830 | errcode_t ext2fs_set_data_io(ext2_filsys fs, io_channel new_io);
|
---|
831 | errcode_t ext2fs_rewrite_to_io(ext2_filsys fs, io_channel new_io);
|
---|
832 |
|
---|
833 | /* get_pathname.c */
|
---|
834 | extern errcode_t ext2fs_get_pathname(ext2_filsys fs, ext2_ino_t dir, ext2_ino_t ino,
|
---|
835 | char **name);
|
---|
836 |
|
---|
837 | /* link.c */
|
---|
838 | errcode_t ext2fs_link(ext2_filsys fs, ext2_ino_t dir, const char *name,
|
---|
839 | ext2_ino_t ino, int flags);
|
---|
840 | errcode_t ext2fs_unlink(ext2_filsys fs, ext2_ino_t dir, const char *name,
|
---|
841 | ext2_ino_t ino, int flags);
|
---|
842 |
|
---|
843 | /* read_bb.c */
|
---|
844 | extern errcode_t ext2fs_read_bb_inode(ext2_filsys fs,
|
---|
845 | ext2_badblocks_list *bb_list);
|
---|
846 |
|
---|
847 | /* read_bb_file.c */
|
---|
848 | extern errcode_t ext2fs_read_bb_FILE2(ext2_filsys fs, FILE *f,
|
---|
849 | ext2_badblocks_list *bb_list,
|
---|
850 | void *priv_data,
|
---|
851 | void (*invalid)(ext2_filsys fs,
|
---|
852 | blk_t blk,
|
---|
853 | char *badstr,
|
---|
854 | void *priv_data));
|
---|
855 | extern errcode_t ext2fs_read_bb_FILE(ext2_filsys fs, FILE *f,
|
---|
856 | ext2_badblocks_list *bb_list,
|
---|
857 | void (*invalid)(ext2_filsys fs,
|
---|
858 | blk_t blk));
|
---|
859 |
|
---|
860 | /* res_gdt.c */
|
---|
861 | extern errcode_t ext2fs_create_resize_inode(ext2_filsys fs);
|
---|
862 |
|
---|
863 | /* rs_bitmap.c */
|
---|
864 | extern errcode_t ext2fs_resize_generic_bitmap(__u32 new_end,
|
---|
865 | __u32 new_real_end,
|
---|
866 | ext2fs_generic_bitmap bmap);
|
---|
867 | extern errcode_t ext2fs_resize_inode_bitmap(__u32 new_end, __u32 new_real_end,
|
---|
868 | ext2fs_inode_bitmap bmap);
|
---|
869 | extern errcode_t ext2fs_resize_block_bitmap(__u32 new_end, __u32 new_real_end,
|
---|
870 | ext2fs_block_bitmap bmap);
|
---|
871 | extern errcode_t ext2fs_copy_bitmap(ext2fs_generic_bitmap src,
|
---|
872 | ext2fs_generic_bitmap *dest);
|
---|
873 |
|
---|
874 | /* swapfs.c */
|
---|
875 | extern void ext2fs_swap_ext_attr(char *to, char *from, int bufsize,
|
---|
876 | int has_header);
|
---|
877 | extern void ext2fs_swap_super(struct ext2_super_block * super);
|
---|
878 | extern void ext2fs_swap_group_desc(struct ext2_group_desc *gdp);
|
---|
879 | extern void ext2fs_swap_inode_full(ext2_filsys fs, struct ext2_inode_large *t,
|
---|
880 | struct ext2_inode_large *f, int hostorder,
|
---|
881 | int bufsize);
|
---|
882 | extern void ext2fs_swap_inode(ext2_filsys fs,struct ext2_inode *t,
|
---|
883 | struct ext2_inode *f, int hostorder);
|
---|
884 |
|
---|
885 | /* valid_blk.c */
|
---|
886 | extern int ext2fs_inode_has_valid_blocks(struct ext2_inode *inode);
|
---|
887 |
|
---|
888 | /* version.c */
|
---|
889 | extern int ext2fs_parse_version_string(const char *ver_string);
|
---|
890 | extern int ext2fs_get_library_version(const char **ver_string,
|
---|
891 | const char **date_string);
|
---|
892 |
|
---|
893 | /* write_bb_file.c */
|
---|
894 | extern errcode_t ext2fs_write_bb_FILE(ext2_badblocks_list bb_list,
|
---|
895 | unsigned int flags,
|
---|
896 | FILE *f);
|
---|
897 |
|
---|
898 |
|
---|
899 | /* inline functions */
|
---|
900 | extern errcode_t ext2fs_get_mem(unsigned long size, void *ptr);
|
---|
901 | extern errcode_t ext2fs_free_mem(void *ptr);
|
---|
902 | extern errcode_t ext2fs_resize_mem(unsigned long old_size,
|
---|
903 | unsigned long size, void *ptr);
|
---|
904 | extern void ext2fs_mark_super_dirty(ext2_filsys fs);
|
---|
905 | extern void ext2fs_mark_changed(ext2_filsys fs);
|
---|
906 | extern int ext2fs_test_changed(ext2_filsys fs);
|
---|
907 | extern void ext2fs_mark_valid(ext2_filsys fs);
|
---|
908 | extern void ext2fs_unmark_valid(ext2_filsys fs);
|
---|
909 | extern int ext2fs_test_valid(ext2_filsys fs);
|
---|
910 | extern void ext2fs_mark_ib_dirty(ext2_filsys fs);
|
---|
911 | extern void ext2fs_mark_bb_dirty(ext2_filsys fs);
|
---|
912 | extern int ext2fs_test_ib_dirty(ext2_filsys fs);
|
---|
913 | extern int ext2fs_test_bb_dirty(ext2_filsys fs);
|
---|
914 | extern int ext2fs_group_of_blk(ext2_filsys fs, blk_t blk);
|
---|
915 | extern int ext2fs_group_of_ino(ext2_filsys fs, ext2_ino_t ino);
|
---|
916 | extern blk_t ext2fs_inode_data_blocks(ext2_filsys fs,
|
---|
917 | struct ext2_inode *inode);
|
---|
918 |
|
---|
919 | #ifdef __cplusplus
|
---|
920 | }
|
---|
921 | #endif
|
---|
922 |
|
---|
923 | #endif /* _EXT2FS_EXT2FS_H */
|
---|