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