1 | /** |
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2 | * @file |
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3 | * |
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4 | * @brief RTEMS File Systems Format |
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5 | * @ingroup rtems_rfs |
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6 | * |
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7 | * Format the file system ready for use. |
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8 | */ |
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9 | |
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10 | /* |
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11 | * COPYRIGHT (c) 2010 Chris Johns <chrisj@rtems.org> |
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12 | * |
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13 | * The license and distribution terms for this file may be |
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14 | * found in the file LICENSE in this distribution or at |
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15 | * http://www.rtems.com/license/LICENSE. |
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16 | */ |
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17 | |
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18 | #if HAVE_CONFIG_H |
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19 | #include "config.h" |
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20 | #endif |
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21 | |
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22 | #include <stdlib.h> |
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23 | #include <stdio.h> |
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24 | #include <inttypes.h> |
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25 | |
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26 | #include <rtems/rfs/rtems-rfs-data.h> |
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27 | #include <rtems/rfs/rtems-rfs-file-system.h> |
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28 | #include <rtems/rfs/rtems-rfs-inode.h> |
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29 | #include <rtems/rtems-rfs-format.h> |
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30 | #include <rtems/rfs/rtems-rfs-dir.h> |
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31 | |
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32 | /** |
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33 | * Return the number of gigabytes. |
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34 | */ |
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35 | #define GIGS(_g) (((uint64_t)(_g)) * 1024 * 1024) |
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36 | |
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37 | /** |
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38 | * Return the number of bits that fit in the block size. |
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39 | */ |
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40 | static int |
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41 | rtems_rfs_bits_per_block (rtems_rfs_file_system* fs) |
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42 | { |
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43 | return rtems_rfs_bitmap_numof_bits (rtems_rfs_fs_block_size (fs)); |
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44 | } |
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45 | |
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46 | /** |
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47 | * Return a rounded up integer quotient given a dividend and divisor. That is: |
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48 | * "quotient = dividend / divisor" |
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49 | */ |
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50 | int |
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51 | rtems_rfs_rup_quotient (uint32_t dividend, uint32_t divisor) |
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52 | { |
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53 | if (dividend == 0) |
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54 | return 1; |
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55 | return ((dividend - 1) / divisor) + 1; |
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56 | } |
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57 | |
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58 | /** |
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59 | * Return the number of inodes as a percentage of the total number that can fit |
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60 | * in a blocl. |
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61 | */ |
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62 | static int |
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63 | rtems_rfs_inodes_from_percent (rtems_rfs_file_system* fs, |
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64 | int percentage) |
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65 | { |
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66 | int blocks; |
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67 | blocks = ((rtems_rfs_fs_blocks (fs) - |
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68 | RTEMS_RFS_SUPERBLOCK_SIZE) * percentage) / 100; |
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69 | blocks = rtems_rfs_rup_quotient (blocks, fs->group_count); |
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70 | return blocks * (rtems_rfs_fs_block_size (fs) / RTEMS_RFS_INODE_SIZE); |
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71 | } |
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72 | |
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73 | /** |
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74 | * Return the inode overhead given a number of inodes. |
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75 | */ |
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76 | static int |
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77 | rtems_rfs_inode_overhead (rtems_rfs_file_system* fs) |
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78 | { |
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79 | int blocks; |
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80 | int bits_per_block; |
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81 | blocks = rtems_rfs_rup_quotient(fs->group_inodes * RTEMS_RFS_INODE_SIZE, |
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82 | rtems_rfs_fs_block_size (fs)); |
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83 | bits_per_block = rtems_rfs_bits_per_block (fs); |
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84 | /* |
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85 | * There could be more bits than blocks, eg 512K disk with 512 blocks. |
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86 | */ |
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87 | if (bits_per_block > (rtems_rfs_fs_blocks (fs) - RTEMS_RFS_SUPERBLOCK_SIZE)) |
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88 | bits_per_block = rtems_rfs_fs_blocks (fs) - RTEMS_RFS_SUPERBLOCK_SIZE; |
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89 | return ((blocks + 1) * 100 * 10) / bits_per_block; |
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90 | } |
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91 | |
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92 | static bool |
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93 | rtems_rfs_check_config (rtems_rfs_file_system* fs, |
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94 | const rtems_rfs_format_config* config) |
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95 | { |
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96 | fs->block_size = config->block_size; |
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97 | if (!fs->block_size) |
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98 | { |
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99 | uint64_t total_size = rtems_rfs_fs_media_size (fs); |
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100 | |
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101 | if (total_size >= GIGS (1)) |
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102 | { |
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103 | uint32_t gigs = (total_size + GIGS (1)) / GIGS (1); |
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104 | int b; |
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105 | for (b = 31; b > 0; b--) |
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106 | if ((gigs & (1 << b)) != 0) |
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107 | break; |
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108 | fs->block_size = 1 << b; |
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109 | } |
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110 | |
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111 | if (fs->block_size < 512) |
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112 | fs->block_size = 512; |
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113 | |
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114 | if (fs->block_size > (4 * 1024)) |
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115 | fs->block_size = (4 * 1024); |
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116 | } |
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117 | |
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118 | if ((fs->block_size % rtems_rfs_fs_media_block_size (fs)) != 0) |
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119 | { |
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120 | printf ("block size (%zd) is not a multiple of media block size (%" PRId32 ")\n", |
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121 | fs->block_size, rtems_rfs_fs_media_block_size (fs)); |
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122 | return false; |
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123 | } |
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124 | |
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125 | fs->group_blocks = config->group_blocks; |
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126 | if (!fs->group_blocks) |
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127 | { |
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128 | /* |
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129 | * The number of blocks per group is defined by the number of bits in a |
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130 | * block. |
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131 | */ |
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132 | fs->group_blocks = rtems_rfs_bitmap_numof_bits (fs->block_size); |
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133 | } |
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134 | |
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135 | if (fs->group_blocks > rtems_rfs_bitmap_numof_bits (fs->block_size)) |
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136 | { |
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137 | printf ("group block count is higher than bits in block\n"); |
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138 | return false; |
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139 | } |
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140 | |
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141 | fs->blocks = rtems_rfs_fs_media_size (fs) / fs->block_size; |
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142 | |
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143 | /* |
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144 | * The bits per block sets the upper limit for the number of blocks in a |
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145 | * group. The disk will be divided into groups which are the number of bits |
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146 | * per block. |
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147 | */ |
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148 | fs->group_count = rtems_rfs_rup_quotient (rtems_rfs_fs_blocks (fs), |
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149 | rtems_rfs_bits_per_block (fs)); |
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150 | |
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151 | fs->group_inodes = config->group_inodes; |
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152 | if (!fs->group_inodes) |
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153 | { |
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154 | int inode_overhead = RTEMS_RFS_INODE_OVERHEAD_PERCENTAGE; |
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155 | |
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156 | /* |
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157 | * The number of inodes per group is set as a percentage. |
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158 | */ |
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159 | if (config->inode_overhead) |
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160 | inode_overhead = config->inode_overhead; |
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161 | |
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162 | fs->group_inodes = rtems_rfs_inodes_from_percent (fs, inode_overhead); |
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163 | } |
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164 | |
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165 | /* |
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166 | * Round up to fill a block because the minimum allocation unit is a block. |
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167 | */ |
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168 | fs->inodes_per_block = rtems_rfs_fs_block_size (fs) / RTEMS_RFS_INODE_SIZE; |
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169 | fs->group_inodes = |
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170 | rtems_rfs_rup_quotient (fs->group_inodes, |
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171 | fs->inodes_per_block) * fs->inodes_per_block; |
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172 | |
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173 | if (fs->group_inodes > rtems_rfs_bitmap_numof_bits (fs->block_size)) |
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174 | fs->group_inodes = rtems_rfs_bitmap_numof_bits (fs->block_size); |
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175 | |
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176 | fs->max_name_length = config->max_name_length; |
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177 | if (!fs->max_name_length) |
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178 | { |
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179 | fs->max_name_length = 512; |
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180 | } |
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181 | |
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182 | return true; |
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183 | } |
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184 | |
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185 | static bool |
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186 | rtems_rfs_write_group (rtems_rfs_file_system* fs, |
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187 | int group, |
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188 | bool initialise_inodes, |
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189 | bool verbose) |
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190 | { |
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191 | rtems_rfs_buffer_handle handle; |
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192 | rtems_rfs_bitmap_control bitmap; |
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193 | rtems_rfs_buffer_block group_base; |
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194 | size_t group_size; |
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195 | int blocks; |
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196 | int b; |
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197 | int rc; |
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198 | |
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199 | group_base = rtems_rfs_fs_block (fs, group, 0); |
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200 | |
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201 | if (group_base > rtems_rfs_fs_blocks (fs)) |
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202 | { |
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203 | printf ("rtems-rfs: write-group: group %d base beyond disk limit\n", |
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204 | group); |
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205 | return false; |
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206 | } |
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207 | |
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208 | group_size = fs->group_blocks; |
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209 | |
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210 | /* |
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211 | * Be nice to strange sizes of disks. These are embedded systems after all |
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212 | * and nice numbers do not always work out. Let the last block pick up the |
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213 | * remainder of the blocks. |
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214 | */ |
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215 | if ((group_base + group_size) > rtems_rfs_fs_blocks (fs)) |
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216 | group_size = rtems_rfs_fs_blocks (fs) - group_base; |
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217 | |
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218 | if (verbose) |
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219 | printf ("\rrtems-rfs: format: group %3d: base = %" PRId32 ", size = %zd", |
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220 | group, group_base, group_size); |
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221 | |
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222 | /* |
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223 | * Open a handle and request an empty buffer. |
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224 | */ |
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225 | rc = rtems_rfs_buffer_handle_open (fs, &handle); |
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226 | if (rc > 0) |
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227 | { |
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228 | printf ("\nrtems-rfs: write-group: handle open failed: %d: %s\n", |
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229 | rc, strerror (rc)); |
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230 | return false; |
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231 | } |
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232 | |
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233 | if (verbose) |
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234 | printf (", blocks"); |
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235 | |
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236 | /* |
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237 | * Open the block bitmap using the new buffer. |
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238 | */ |
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239 | rc = rtems_rfs_bitmap_open (&bitmap, fs, &handle, group_size, |
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240 | group_base + RTEMS_RFS_GROUP_BLOCK_BITMAP_BLOCK); |
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241 | if (rc > 0) |
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242 | { |
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243 | rtems_rfs_buffer_handle_close (fs, &handle); |
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244 | printf ("\nrtems-rfs: write-group: group %3d: open block bitmap failed: %d: %s\n", |
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245 | group, rc, strerror (rc)); |
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246 | return false; |
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247 | } |
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248 | |
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249 | /* |
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250 | * Force the whole buffer to a known state. The bit map may not occupy the |
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251 | * whole block. |
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252 | */ |
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253 | memset (rtems_rfs_buffer_data (&handle), 0xff, rtems_rfs_fs_block_size (fs)); |
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254 | |
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255 | /* |
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256 | * Clear the bitmap. |
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257 | */ |
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258 | rc = rtems_rfs_bitmap_map_clear_all (&bitmap); |
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259 | if (rc > 0) |
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260 | { |
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261 | rtems_rfs_bitmap_close (&bitmap); |
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262 | rtems_rfs_buffer_handle_close (fs, &handle); |
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263 | printf ("\nrtems-rfs: write-group: group %3d: block bitmap clear all failed: %d: %s\n", |
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264 | group, rc, strerror (rc)); |
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265 | return false; |
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266 | } |
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267 | |
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268 | /* |
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269 | * Forced allocation of the block bitmap. |
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270 | */ |
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271 | rtems_rfs_bitmap_map_set (&bitmap, RTEMS_RFS_GROUP_BLOCK_BITMAP_BLOCK); |
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272 | |
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273 | /* |
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274 | * Forced allocation of the inode bitmap. |
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275 | */ |
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276 | rtems_rfs_bitmap_map_set (&bitmap, RTEMS_RFS_GROUP_INODE_BITMAP_BLOCK); |
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277 | |
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278 | /* |
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279 | * Determine the number of inodes blocks in the group. |
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280 | */ |
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281 | blocks = rtems_rfs_rup_quotient (fs->group_inodes, fs->inodes_per_block); |
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282 | |
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283 | /* |
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284 | * Forced allocation of the inode blocks which follow the block bitmap. |
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285 | */ |
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286 | for (b = 0; b < blocks; b++) |
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287 | rtems_rfs_bitmap_map_set (&bitmap, b + RTEMS_RFS_GROUP_INODE_BLOCK); |
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288 | |
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289 | /* |
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290 | * Close the block bitmap. |
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291 | */ |
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292 | rc = rtems_rfs_bitmap_close (&bitmap); |
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293 | if (rc > 0) |
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294 | { |
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295 | rtems_rfs_buffer_handle_close (fs, &handle); |
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296 | printf ("\nrtems-rfs: write-group: group %3d: close block bitmap failed: %d: %s\n", |
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297 | group, rc, strerror (rc)); |
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298 | return false; |
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299 | } |
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300 | |
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301 | rtems_rfs_buffer_mark_dirty (&handle); |
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302 | |
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303 | if (verbose) |
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304 | printf (", inodes"); |
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305 | |
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306 | /* |
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307 | * Open the inode bitmap using the old buffer. Should release any changes. |
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308 | */ |
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309 | rc = rtems_rfs_bitmap_open (&bitmap, fs, &handle, group_size, |
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310 | group_base + RTEMS_RFS_GROUP_INODE_BITMAP_BLOCK); |
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311 | if (rc > 0) |
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312 | { |
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313 | rtems_rfs_buffer_handle_close (fs, &handle); |
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314 | printf ("\nrtems-rfs: write-group: group %3d: open inode bitmap failed: %d: %s\n", |
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315 | group, rc, strerror (rc)); |
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316 | return false; |
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317 | } |
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318 | |
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319 | /* |
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320 | * Force the whole buffer to a known state. The bit map may not occupy the |
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321 | * whole block. |
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322 | */ |
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323 | memset (rtems_rfs_buffer_data (&handle), 0x00, rtems_rfs_fs_block_size (fs)); |
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324 | |
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325 | /* |
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326 | * Clear the inode bitmap. |
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327 | */ |
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328 | rc = rtems_rfs_bitmap_map_clear_all (&bitmap); |
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329 | if (rc > 0) |
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330 | { |
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331 | rtems_rfs_bitmap_close (&bitmap); |
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332 | rtems_rfs_buffer_handle_close (fs, &handle); |
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333 | printf ("\nrtems-rfs: write-group: group %3d: inode bitmap" \ |
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334 | " clear all failed: %d: %s\n", group, rc, strerror (rc)); |
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335 | return false; |
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336 | } |
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337 | |
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338 | /* |
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339 | * Close the inode bitmap. |
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340 | */ |
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341 | rc = rtems_rfs_bitmap_close (&bitmap); |
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342 | if (rc > 0) |
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343 | { |
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344 | rtems_rfs_buffer_handle_close (fs, &handle); |
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345 | printf ("\nrtems-rfs: write-group: group %3d: close inode" \ |
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346 | " bitmap failed: %d: %s\n", group, rc, strerror (rc)); |
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347 | return false; |
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348 | } |
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349 | |
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350 | rtems_rfs_buffer_mark_dirty (&handle); |
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351 | |
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352 | /* |
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353 | * Initialise the inode tables if required to do so. |
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354 | */ |
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355 | if (initialise_inodes) |
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356 | { |
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357 | for (b = 0; b < blocks; b++) |
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358 | { |
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359 | rc = rtems_rfs_buffer_handle_request (fs, &handle, |
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360 | group_base + b + RTEMS_RFS_GROUP_INODE_BLOCK, |
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361 | false); |
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362 | if (rc > 0) |
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363 | { |
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364 | rtems_rfs_buffer_handle_close (fs, &handle); |
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365 | printf ("\nrtems-rfs: write-group: group %3d: block %" PRId32 " request failed: %d: %s\n", |
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366 | group, group_base + b + RTEMS_RFS_GROUP_INODE_BLOCK, |
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367 | rc, strerror (rc)); |
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368 | return false; |
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369 | } |
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370 | |
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371 | /* |
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372 | * Force the whole buffer to a known state. The bit map may not occupy the |
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373 | * whole block. |
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374 | */ |
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375 | memset (rtems_rfs_buffer_data (&handle), 0xff, rtems_rfs_fs_block_size (fs)); |
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376 | |
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377 | rtems_rfs_buffer_mark_dirty (&handle); |
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378 | } |
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379 | } |
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380 | |
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381 | rc = rtems_rfs_buffer_handle_close (fs, &handle); |
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382 | if (rc > 0) |
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383 | { |
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384 | printf ("\nrtems-rfs: write-group: buffer handle close failed: %d: %s\n", |
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385 | rc, strerror (rc)); |
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386 | return false; |
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387 | } |
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388 | |
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389 | return true; |
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390 | } |
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391 | |
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392 | static bool |
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393 | rtems_rfs_write_superblock (rtems_rfs_file_system* fs) |
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394 | { |
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395 | rtems_rfs_buffer_handle handle; |
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396 | uint8_t* sb; |
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397 | int rc; |
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398 | |
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399 | rc = rtems_rfs_buffer_handle_open (fs, &handle); |
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400 | if (rc > 0) |
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401 | { |
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402 | printf ("rtems-rfs: write-superblock: handle open failed: %d: %s\n", |
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403 | rc, strerror (rc)); |
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404 | return false; |
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405 | } |
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406 | |
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407 | rc = rtems_rfs_buffer_handle_request (fs, &handle, 0, false); |
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408 | if (rc > 0) |
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409 | { |
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410 | rtems_rfs_buffer_handle_close (fs, &handle); |
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411 | printf ("rtems-rfs: write-superblock: request failed: %d: %s\n", |
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412 | rc, strerror (rc)); |
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413 | return false; |
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414 | } |
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415 | |
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416 | sb = rtems_rfs_buffer_data (&handle); |
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417 | |
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418 | #define write_sb(_o, _d) rtems_rfs_write_u32(sb + (_o), _d) |
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419 | |
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420 | memset (sb, 0xff, rtems_rfs_fs_block_size (fs)); |
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421 | |
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422 | write_sb (RTEMS_RFS_SB_OFFSET_MAGIC, RTEMS_RFS_SB_MAGIC); |
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423 | write_sb (RTEMS_RFS_SB_OFFSET_VERSION, RTEMS_RFS_VERSION); |
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424 | write_sb (RTEMS_RFS_SB_OFFSET_BLOCKS, rtems_rfs_fs_blocks (fs)); |
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425 | write_sb (RTEMS_RFS_SB_OFFSET_BLOCK_SIZE, rtems_rfs_fs_block_size (fs)); |
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426 | write_sb (RTEMS_RFS_SB_OFFSET_BAD_BLOCKS, fs->bad_blocks); |
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427 | write_sb (RTEMS_RFS_SB_OFFSET_MAX_NAME_LENGTH, fs->max_name_length); |
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428 | write_sb (RTEMS_RFS_SB_OFFSET_GROUPS, fs->group_count); |
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429 | write_sb (RTEMS_RFS_SB_OFFSET_GROUP_BLOCKS, fs->group_blocks); |
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430 | write_sb (RTEMS_RFS_SB_OFFSET_GROUP_INODES, fs->group_inodes); |
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431 | write_sb (RTEMS_RFS_SB_OFFSET_INODE_SIZE, RTEMS_RFS_INODE_SIZE); |
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432 | |
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433 | rtems_rfs_buffer_mark_dirty (&handle); |
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434 | |
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435 | rc = rtems_rfs_buffer_handle_release (fs, &handle); |
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436 | if (rc > 0) |
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437 | { |
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438 | rtems_rfs_buffer_handle_close (fs, &handle); |
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439 | printf ("rtems-rfs: write-superblock: buffer release failed: %d: %s\n", |
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440 | rc, strerror (rc)); |
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441 | return false; |
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442 | } |
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443 | |
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444 | rc = rtems_rfs_buffer_handle_close (fs, &handle); |
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445 | if (rc > 0) |
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446 | { |
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447 | printf ("rtems-rfs: write-superblock: buffer handle close failed: %d: %s\n", |
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448 | rc, strerror (rc)); |
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449 | return false; |
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450 | } |
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451 | |
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452 | return true; |
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453 | } |
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454 | |
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455 | static int |
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456 | rtems_rfs_write_root_dir (const char* name) |
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457 | { |
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458 | rtems_rfs_file_system* fs; |
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459 | rtems_rfs_inode_handle inode; |
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460 | rtems_rfs_ino ino; |
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461 | int rc; |
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462 | |
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463 | /* |
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464 | * External API so returns -1. |
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465 | */ |
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466 | rc = rtems_rfs_fs_open (name, NULL, |
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467 | RTEMS_RFS_FS_FORCE_OPEN | RTEMS_RFS_FS_NO_LOCAL_CACHE, |
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468 | 0, &fs); |
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469 | if (rc < 0) |
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470 | { |
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471 | printf ("rtems-rfs: format: file system open failed: %d: %s\n", |
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472 | errno, strerror (errno)); |
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473 | return -1; |
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474 | } |
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475 | |
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476 | rc = rtems_rfs_inode_alloc (fs, RTEMS_RFS_ROOT_INO, &ino); |
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477 | if (rc > 0) |
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478 | { |
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479 | printf ("rtems-rfs: format: inode allocation failed: %d: %s\n", |
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480 | rc, strerror (rc)); |
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481 | rtems_rfs_fs_close (fs); |
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482 | return rc; |
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483 | } |
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484 | |
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485 | if (ino != RTEMS_RFS_ROOT_INO) |
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486 | { |
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487 | printf ("rtems-rfs: format: allocated inode not root ino: %" PRId32 "\n", ino); |
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488 | rtems_rfs_fs_close (fs); |
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489 | return rc; |
---|
490 | } |
---|
491 | |
---|
492 | rc = rtems_rfs_inode_open (fs, ino, &inode, true); |
---|
493 | if (rc > 0) |
---|
494 | { |
---|
495 | printf ("rtems-rfs: format: inode open failed: %d: %s\n", |
---|
496 | rc, strerror (rc)); |
---|
497 | rtems_rfs_group_bitmap_free (fs, true, ino); |
---|
498 | rtems_rfs_fs_close (fs); |
---|
499 | return rc; |
---|
500 | } |
---|
501 | |
---|
502 | rc = rtems_rfs_inode_initialise (&inode, 0, |
---|
503 | (RTEMS_RFS_S_IFDIR | RTEMS_RFS_S_IRWXU | |
---|
504 | RTEMS_RFS_S_IXGRP | RTEMS_RFS_S_IXOTH), |
---|
505 | 0, 0); |
---|
506 | if (rc > 0) |
---|
507 | printf ("rtems-rfs: format: inode initialise failed: %d: %s\n", |
---|
508 | rc, strerror (rc)); |
---|
509 | |
---|
510 | rc = rtems_rfs_dir_add_entry (fs, &inode, ".", 1, ino); |
---|
511 | if (rc > 0) |
---|
512 | printf ("rtems-rfs: format: directory add failed: %d: %s\n", |
---|
513 | rc, strerror (rc)); |
---|
514 | |
---|
515 | rc = rtems_rfs_inode_close (fs, &inode); |
---|
516 | if (rc > 0) |
---|
517 | printf ("rtems-rfs: format: inode close failed: %d: %s\n", |
---|
518 | rc, strerror (rc)); |
---|
519 | |
---|
520 | rc = rtems_rfs_fs_close (fs); |
---|
521 | if (rc < 0) |
---|
522 | printf ("rtems-rfs: format: file system close failed: %d: %s\n", |
---|
523 | errno, strerror (errno)); |
---|
524 | |
---|
525 | return rc; |
---|
526 | } |
---|
527 | |
---|
528 | int |
---|
529 | rtems_rfs_format (const char* name, const rtems_rfs_format_config* config) |
---|
530 | { |
---|
531 | rtems_rfs_file_system fs; |
---|
532 | int group; |
---|
533 | int rc; |
---|
534 | |
---|
535 | if (config->verbose) |
---|
536 | printf ("rtems-rfs: format: %s\n", name); |
---|
537 | |
---|
538 | memset (&fs, 0, sizeof (rtems_rfs_file_system)); |
---|
539 | |
---|
540 | rtems_chain_initialize_empty (&fs.buffers); |
---|
541 | rtems_chain_initialize_empty (&fs.release); |
---|
542 | rtems_chain_initialize_empty (&fs.release_modified); |
---|
543 | rtems_chain_initialize_empty (&fs.file_shares); |
---|
544 | |
---|
545 | fs.max_held_buffers = RTEMS_RFS_FS_MAX_HELD_BUFFERS; |
---|
546 | |
---|
547 | fs.release_count = 0; |
---|
548 | fs.release_modified_count = 0; |
---|
549 | |
---|
550 | fs.flags = RTEMS_RFS_FS_NO_LOCAL_CACHE; |
---|
551 | |
---|
552 | /* |
---|
553 | * Open the buffer interface. |
---|
554 | */ |
---|
555 | rc = rtems_rfs_buffer_open (name, &fs); |
---|
556 | if (rc > 0) |
---|
557 | { |
---|
558 | printf ("rtems-rfs: format: buffer open failed: %d: %s\n", |
---|
559 | rc, strerror (rc)); |
---|
560 | return -1; |
---|
561 | } |
---|
562 | |
---|
563 | /* |
---|
564 | * Check the media. |
---|
565 | */ |
---|
566 | if (rtems_rfs_fs_media_block_size (&fs) == 0) |
---|
567 | { |
---|
568 | printf ("rtems-rfs: media block is invalid: %" PRIu32 "\n", |
---|
569 | rtems_rfs_fs_media_block_size (&fs)); |
---|
570 | return -1; |
---|
571 | } |
---|
572 | |
---|
573 | /* |
---|
574 | * Check the configuration data. |
---|
575 | */ |
---|
576 | if (!rtems_rfs_check_config (&fs, config)) |
---|
577 | return -1; |
---|
578 | |
---|
579 | if (config->verbose) |
---|
580 | { |
---|
581 | printf ("rtems-rfs: format: media size = %" PRIu64 "\n", |
---|
582 | rtems_rfs_fs_media_size (&fs)); |
---|
583 | printf ("rtems-rfs: format: media blocks = %" PRIu32 "\n", |
---|
584 | rtems_rfs_fs_media_blocks (&fs)); |
---|
585 | printf ("rtems-rfs: format: media block size = %" PRIu32 "\n", |
---|
586 | rtems_rfs_fs_media_block_size (&fs)); |
---|
587 | printf ("rtems-rfs: format: size = %" PRIu64 "\n", |
---|
588 | rtems_rfs_fs_size (&fs)); |
---|
589 | printf ("rtems-rfs: format: blocks = %zu\n", |
---|
590 | rtems_rfs_fs_blocks (&fs)); |
---|
591 | printf ("rtems-rfs: format: block size = %zu\n", |
---|
592 | rtems_rfs_fs_block_size (&fs)); |
---|
593 | printf ("rtems-rfs: format: bits per block = %u\n", |
---|
594 | rtems_rfs_bits_per_block (&fs)); |
---|
595 | printf ("rtems-rfs: format: inode size = %zu\n", RTEMS_RFS_INODE_SIZE); |
---|
596 | printf ("rtems-rfs: format: inodes = %zu (%d.%d%%)\n", |
---|
597 | fs.group_inodes * fs.group_count, |
---|
598 | rtems_rfs_inode_overhead (&fs) / 10, |
---|
599 | rtems_rfs_inode_overhead (&fs) % 10); |
---|
600 | printf ("rtems-rfs: format: groups = %u\n", fs.group_count); |
---|
601 | printf ("rtems-rfs: format: group blocks = %zu\n", fs.group_blocks); |
---|
602 | printf ("rtems-rfs: format: group inodes = %zu\n", fs.group_inodes); |
---|
603 | } |
---|
604 | |
---|
605 | rc = rtems_rfs_buffer_setblksize (&fs, rtems_rfs_fs_block_size (&fs)); |
---|
606 | if (rc > 0) |
---|
607 | { |
---|
608 | printf ("rtems-rfs: format: setting block size failed: %d: %s\n", |
---|
609 | rc, strerror (rc)); |
---|
610 | return -1; |
---|
611 | } |
---|
612 | |
---|
613 | if (!rtems_rfs_write_superblock (&fs)) |
---|
614 | { |
---|
615 | printf ("rtems-rfs: format: superblock write failed\n"); |
---|
616 | return -1; |
---|
617 | } |
---|
618 | |
---|
619 | for (group = 0; group < fs.group_count; group++) |
---|
620 | if (!rtems_rfs_write_group (&fs, group, |
---|
621 | config->initialise_inodes, config->verbose)) |
---|
622 | return -1; |
---|
623 | |
---|
624 | if (config->verbose) |
---|
625 | printf ("\n"); |
---|
626 | |
---|
627 | rc = rtems_rfs_buffer_close (&fs); |
---|
628 | if (rc > 0) |
---|
629 | { |
---|
630 | printf ("rtems-rfs: format: buffer close failed: %d: %s\n", |
---|
631 | rc, strerror (rc)); |
---|
632 | return -1; |
---|
633 | } |
---|
634 | |
---|
635 | rc = rtems_rfs_write_root_dir (name); |
---|
636 | if (rc > 0) |
---|
637 | { |
---|
638 | printf ("rtems-rfs: format: writing root dir failed: %d: %s\n", |
---|
639 | rc, strerror (rc)); |
---|
640 | return -1; |
---|
641 | } |
---|
642 | |
---|
643 | return 0; |
---|
644 | } |
---|