FreeCalypso > hg > fc-magnetite
annotate src/cs/drivers/drv_app/ffs/board/core.c @ 602:92dbfa906f66
fc-target.cfg config header renamed to more sensible fc-target.h
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sat, 06 Apr 2019 23:54:20 +0000 |
parents | 945cf7f506b2 |
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rev | line source |
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1 /****************************************************************************** |
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2 * Flash File System (ffs) |
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3 * Idea, design and coding by Mads Meisner-Jensen, mmj@ti.com |
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4 * |
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5 * FFS core functions (not public) |
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6 * |
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7 * $Id: core.c 1.156.1.13.1.1.1.50 Thu, 08 Jan 2004 15:05:23 +0100 tsj $ |
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8 * |
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9 ******************************************************************************/ |
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10 |
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11 #ifndef TARGET |
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12 #include "ffs.cfg" |
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13 #endif |
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14 |
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15 #include <string.h> |
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16 #include "ffs/ffs.h" |
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17 #include "ffs/board/core.h" |
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18 #include "ffs/board/drv.h" |
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19 #include "ffs/board/ffstrace.h" |
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20 #include "ffs/board/tmffs.h" |
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21 #include <string.h> |
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22 #include <limits.h> |
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23 |
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24 /****************************************************************************** |
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25 * Globals |
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26 ******************************************************************************/ |
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27 |
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28 struct fs_s fs; |
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29 struct block_stat_s bstat[FFS_BLOCKS_MAX]; |
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30 |
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31 struct ffs_stats_s stats; |
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32 |
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33 // The following line is automatically expanded by the revision control |
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34 // system to make a unique ffs revision. The revision can be retrieved by |
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35 // ffs_query(). |
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36 |
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37 //$Format: "static const uint16 ffs_revision = ($ProjectMajorVersion$<<12)|(0x$ProjectMinorVersion$);"$ |
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38 static const uint16 ffs_revision = (5<<12)|(0x56); |
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39 |
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40 |
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41 /****************************************************************************** |
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42 * Main Functions |
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43 ******************************************************************************/ |
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44 |
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45 // Create a new ffs object (object type is undefined) |
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46 iref_t object_create(const char *name, const char *buf, int size, iref_t dir) |
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47 { |
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48 iref_t i; |
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49 struct inode_s *ip; |
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50 int realsize, namelength; |
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51 offset_t offset; |
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52 char *dataaddr; |
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53 char is_journal; |
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54 char name_copy[FFS_FILENAME_MAX + 1]; // NOTEME: make dynamic? |
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55 |
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56 ttw(ttr(TTrObj, "ocr(%s){" NL, name)); |
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57 tw(tr(TR_BEGIN, TrObject, "object_create('%s', ?, %d, %d) {\n", |
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58 name, size, dir)); |
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59 |
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60 // NOTEME: special case just for format()!? |
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61 if (dir == 0) |
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62 namelength = ffs_strlen(name); |
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63 else |
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64 namelength = is_filename(name); |
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65 |
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66 if (namelength < 0) { |
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67 tw(tr(TR_END, TrObject, "} %d\n", namelength)); |
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68 ttw(ttr(TTrObj, "} %d" NL, namelength)); |
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69 return namelength; |
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70 } |
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71 |
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72 is_journal = (name[0] == '.' && ffs_strcmp(name, FFS_JOURNAL_NAME) == 0); |
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73 if (is_journal) |
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74 tw(tr(TR_FUNC, TrObject, "Journal file creation!\n")); |
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75 else |
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76 if (buf == NULL && size > 0) { |
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77 tw(tr(TR_END, TrObject, "} %d\n", EFFS_INVALID)); |
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78 ttw(ttr(TTrObj, "} %d" NL, EFFS_INVALID)); |
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79 return EFFS_INVALID; |
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80 } |
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81 |
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82 // We don't write the data null_terminator if no data exists |
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83 realsize = namelength + 1 + size + (size > 0 ? 1 : 0); |
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84 fs.journal.size = realsize = atomalign(realsize); |
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85 |
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86 // We save the diri in the ram journal because this will be updated if |
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87 // chunk_alloc trigger a data_reclaim |
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88 fs.journal.diri = dir; |
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89 |
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90 // We have to make a local copy of name because name can be destroyed if |
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91 // it points into an object that is relocated by an ffs_data_reclaim. |
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92 memcpy(name_copy, name, ffs_strlen(name) + 1); |
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93 |
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94 if ((i = chunk_alloc(realsize, is_journal, &offset)) < 0) |
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95 return i; |
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96 |
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97 ip = inode_addr(i); |
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98 |
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99 // Write filename including null-terminator |
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100 ffsdrv.write(addr2name(offset2addr(offset)), name_copy, namelength + 1); |
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101 |
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102 // Write data and null terminator. We null-terminate the data block, |
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103 // such that blocks_fsck() can determine the amount of used data block |
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104 // space correctly. Note that we don't write null-terminator for objects |
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105 // with no data, e.g. empty files and directories. |
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106 if (size > 0) { |
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107 dataaddr = addr2name(offset2addr(offset)) + namelength + 1; |
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108 // Do NOT write data if we are creating the journal file --- it must |
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109 // be created as empty! |
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110 if (!is_journal) |
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111 ffsdrv.write(dataaddr, buf, size); |
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112 ffsdrv_write_byte(dataaddr + size, 0); |
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113 } |
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114 |
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115 // Insert object in parent directory if this is not the root dir |
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116 if (dir != 0) |
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117 fs.journal.diri = dir_traverse(fs.journal.diri, 0); |
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118 else |
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119 fs.journal.diri = 0; |
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120 |
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121 tw(tr(TR_END, TrObject, "} %d\n", i)); |
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122 ttw(ttr(TTrObj, "} %d" NL,i)); |
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123 |
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124 return i; |
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125 } |
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126 |
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127 int file_read(const char *name, void *addr, int size) |
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128 { |
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129 int size_read, object_size, total_read = 0; |
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130 iref_t i, dir; |
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131 char *not_used; |
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132 fd_t fdi; |
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133 |
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134 if (size < 0) |
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135 return EFFS_INVALID; |
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136 |
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137 if ((i = object_lookup(name, ¬_used, &dir)) < 0) |
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138 return i; |
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139 |
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140 if ((fdi = get_fdi(i)) >= 0) |
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141 if (is_open_option(fs.fd[fdi].options, FFS_O_WRONLY)) |
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142 return EFFS_LOCKED; |
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143 |
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144 object_size = object_datasize(i); |
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145 |
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146 do { |
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147 size_read = segment_read(i, (char*)addr + total_read, |
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148 size - total_read, 0); |
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149 total_read += size_read; |
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150 } while ((i = segment_next(i)) != 0 && size > total_read); |
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151 |
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152 // Did we read the comlete object? |
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153 if (object_size > size) |
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154 return EFFS_FILETOOBIG; |
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155 |
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156 return total_read; // number of bytes read |
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157 } |
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158 |
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159 |
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160 int stream_read(fd_t fdi, void *src, int size) |
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161 { |
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162 int offset, size_read = 0, copied = 0; |
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163 iref_t i; |
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164 |
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165 if (!is_fd_valid(fdi)) |
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166 return EFFS_BADFD; |
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167 |
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168 if (!is_open_option(fs.fd[fdi].options, FFS_O_RDONLY)) |
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169 return EFFS_INVALID; |
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170 |
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171 if (src == NULL || size < 0) |
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172 return EFFS_INVALID; |
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173 |
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174 // NOTEME: do this in another way? |
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175 // No data to read because fp is ad eof. |
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176 if (fs.fd[fdi].fp >= fs.fd[fdi].size) { |
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177 tw(tr(TR_FUNC, TrObject, "eof(no data read)\n")); |
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178 return 0; |
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179 } |
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180 |
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181 segfile_seek(fs.fd[fdi].seghead, fs.fd[fdi].fp, &i, &offset); |
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182 |
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183 // Read data from chunks or buffer until all data is read or eof is reach. |
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184 do { |
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185 if (is_offset_in_buf(fs.fd[fdi].fp, fdi)) { |
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186 offset = fs.fd[fdi].fp - fs.fd[fdi].wfp; |
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187 size_read = size - copied; // requested data that is left |
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188 // Saturate size to max left in buf or max left to eof |
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189 if (size_read > (fs.chunk_size_max - offset)) |
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190 size_read = fs.chunk_size_max - offset; |
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191 if (size_read > (fs.fd[fdi].size - fs.fd[fdi].fp)) |
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192 size_read = fs.fd[fdi].size - fs.fd[fdi].fp; |
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193 |
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194 memcpy((char*)src + copied, fs.fd[fdi].buf + offset, size_read); |
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195 } |
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196 else { |
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197 // Data is only in the chunk |
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198 size_read = segment_read(i, (char*) src + copied, |
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199 size - copied, offset); |
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200 } |
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201 |
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202 offset = 0; |
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203 fs.fd[fdi].fp += size_read; |
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204 copied += size_read; |
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205 |
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206 if ((i = segment_next(i)) < 0) |
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207 return i; |
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208 |
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209 } while (copied != size && fs.fd[fdi].fp < fs.fd[fdi].size); |
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210 |
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211 if (copied == size) { |
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212 tw(tr(TR_FUNC, TrObject, "All requested data has been read\n")); |
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213 } |
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214 if (fs.fd[fdi].fp >= fs.fd[fdi].size) { |
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215 tw(tr(TR_FUNC, TrObject, "eof\n")); |
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216 } |
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217 |
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218 return copied; // number of bytes read |
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219 } |
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220 |
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221 |
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222 int object_read(const char *name, char *buf, int size, int linkflag) |
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223 { |
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224 iref_t i; |
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225 struct inode_s *ip; |
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226 struct xstat_s stat; |
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227 char *p; |
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228 |
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229 tw(tr(TR_BEGIN, TrObject, "object_read('%s', 0x%x, %d, %d) {\n", |
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230 name, buf, size, linkflag)); |
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231 |
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232 if (buf == NULL || size < 0) { |
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233 tw(tr(TR_END, TrObject, "} %d\n", EFFS_INVALID)); |
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234 return EFFS_INVALID; |
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235 } |
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236 |
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237 i = object_stat(name, &stat, linkflag, 0, 0); |
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238 if (i < 0) { |
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239 tw(tr(TR_END, TrObject, "} %d\n", EFFS_NOTFOUND)); |
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240 return i; |
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241 } |
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242 |
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243 ip = inode_addr(i); |
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244 |
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245 if (stat.size > size) { |
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246 tw(tr(TR_END, TrObject, "} %d\n", EFFS_FILETOOBIG)); |
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247 return EFFS_FILETOOBIG; |
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248 } |
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249 |
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250 // return error if called as readlink() and object is not a link |
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251 if (!is_object(ip, OT_LINK) && linkflag) { |
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252 tw(tr(TR_END, TrObject, "} %d\n", EFFS_INVALID)); |
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253 return EFFS_INVALID; |
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254 } |
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255 |
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256 // Even though the ffs architecture allows to have data in directory |
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257 // objects, we don't want to complicate matters, so we return an error |
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258 if (is_object(ip, OT_DIR) && !(fs.flags & FS_DIR_DATA)) { |
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259 tw(tr(TR_END, TrObject, "} %d\n", EFFS_NOTAFILE)); |
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260 return EFFS_NOTAFILE; |
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261 } |
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262 |
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263 p = offset2addr(location2offset(ip->location)); |
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264 size = stat.size; |
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265 |
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266 p = addr2data(p, ip); |
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267 |
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268 // Copy data. NOTEME: Should be optimized! |
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269 while (size--) |
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270 *buf++ = *p++; |
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271 |
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272 tw(tr(TR_END, TrObject, "} %d\n", stat.size)); |
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273 return stat.size; |
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274 } |
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275 |
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276 |
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277 // Convert an object data addres to pure data address |
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278 char *addr2data(const char *addr, const struct inode_s *ip) |
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279 { |
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280 // OT_SEGMENT is pure data so it do not have any name to skip |
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281 if (!is_object(ip, OT_SEGMENT)) { |
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282 while (*addr++) |
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283 ; |
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284 } |
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285 |
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286 return (char *) addr; |
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287 } |
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288 |
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289 // Calculate exact size of file data; without filename and null terminator |
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290 // and without data null terminator and succeeding alignment padding. |
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291 // NOTEME: Does this also work for empty files and directories? |
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292 int object_datasize(iref_t i) |
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293 { |
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294 iref_t not_used; |
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295 return segfile_seek(i, INT_MAX, ¬_used, 0); |
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296 } |
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297 |
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298 iref_t object_stat(const char *name, struct xstat_s *stat, |
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299 int linkflag, int fdi, int extended) |
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300 { |
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301 iref_t i; |
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302 fd_t other_fdi; |
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303 struct inode_s *ip; |
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304 |
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305 tw(tr(TR_BEGIN, TrObject, "object_stat('%s', ?, %x, %d, %d) {\n", |
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306 name, linkflag, fdi, extended)); |
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307 |
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308 if (stat == NULL) { |
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309 tw(tr(TR_END, TrObject, "} %d\n", EFFS_INVALID)); |
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310 return EFFS_INVALID; |
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311 } |
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312 |
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313 if (linkflag) |
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314 i = object_lookup_once(name, 0, 0); |
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315 else if (name == 0) { |
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316 fdi -= FFS_FD_OFFSET; |
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317 if (!is_fd_valid(fdi)) { |
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318 tw(tr(TR_END, TrObject, "} %d\n", EFFS_BADFD)); |
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319 return EFFS_BADFD; |
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320 } |
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321 i = fs.fd[fdi].seghead; |
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322 } |
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323 else |
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324 i = object_lookup(name, 0, 0); |
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325 |
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326 if (i > 0) { |
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327 ip = inode_addr(i); |
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328 stat->type = ip->flags & OT_MASK;; |
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329 stat->flags = ~ip->flags & OF_MASK; |
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330 stat->inode = i; |
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331 |
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332 // If the file is open so get the size from the file descriptor |
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333 if ((other_fdi = get_fdi(i)) >= 0) { |
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334 if (i == fs.fd[other_fdi].seghead) { |
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335 stat->size = fs.fd[other_fdi].size; |
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336 } |
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337 } |
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338 |
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339 else |
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340 stat->size = object_datasize(i); |
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341 |
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342 if (extended) { |
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343 stat->location = ip->location; |
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344 stat->block = offset2block(location2offset(stat->location)); |
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345 stat->space = ip->size; |
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346 while ((i = segment_next(i)) > 0) { |
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347 ip = inode_addr(i); |
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348 stat->space += ip->size; |
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349 } |
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350 stat->reserved = 0; |
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351 stat->sequence = ip->sequence; |
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352 stat->updates = ip->updates; |
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353 } |
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354 } |
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355 |
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356 tw(tr(TR_END, TrObject, "} %d\n", i)); |
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357 |
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358 return i; |
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359 } |
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360 |
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361 |
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362 /****************************************************************************** |
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363 * Remove and Rename |
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364 ******************************************************************************/ |
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365 |
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366 // Delete a ffs object |
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367 effs_t object_remove(iref_t i) |
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368 { |
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369 struct inode_s *ip = inode_addr(i); |
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370 iref_t entries; |
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371 |
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372 tw(tr(TR_BEGIN, TrObject, "object_remove(%d) {\n", i)); |
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373 |
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374 // if object is a dir, ensure it is empty |
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375 if (is_object(ip, OT_DIR)) { |
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376 dir_traverse(-i, &entries); |
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377 if (entries) { |
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378 tw(tr(TR_END, TrObject, "} %d\n", EFFS_DIRNOTEMPTY)); |
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379 return EFFS_DIRNOTEMPTY; |
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380 } |
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381 } |
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382 |
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383 // We don't actually journal deletions, this is why we call |
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384 // journal_commit() instead of journal_end(). We have to set |
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385 // journal.location to something else, otherwise journal_commit() will |
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386 // not discount the number of bytes lost by this delete. |
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387 if (is_object(ip, OT_DIR)) { |
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388 journal_begin(i); |
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389 fs.journal.location = 0; |
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390 journal_commit(0); |
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391 } |
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392 else { |
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393 // NOTE: This is not nice if we get a break down however the |
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394 // remaning chunks will be removed later by a block reclaim. |
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395 do { |
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396 journal_begin(i); |
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397 fs.journal.location = 0; |
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398 journal_commit(0); |
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399 } while ((i = segment_next(i)) != 0); |
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400 } |
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401 |
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402 tw(tr(TR_END, TrObject, "} %d\n", EFFS_OK)); |
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403 |
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404 return EFFS_OK; |
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405 } |
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406 |
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407 // Rename an object. <newname> is the new name. |
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408 iref_t object_rename(iref_t oldi, const char *newname, iref_t newdir) |
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409 { |
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410 iref_t newi; |
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411 struct inode_s *oldip; |
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412 char *olddata; |
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413 int oldsize, namelength, realsize, offset; |
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414 |
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415 tw(tr(TR_BEGIN, TrObject, "object_rename(%d, '%s', %d) {\n", |
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416 oldi, newname, newdir)); |
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417 |
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418 oldip = inode_addr(oldi); |
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419 oldsize = segment_datasize(oldip); |
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420 |
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421 // Make sure that there is enough space to make the rename without |
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422 // object_create() trigger a data_reclaim() (awoid relocate oldi/data |
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423 // source) |
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424 namelength = is_filename(newname); |
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425 realsize = namelength + 1 + oldsize + (oldsize > 0 ? 1 : 0); |
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426 realsize = atomalign(realsize); |
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427 |
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428 // Save newdir in fs.xx because it will be updated if it is relocated. |
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429 fs.i_backup = newdir; |
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430 |
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431 if ((offset = data_prealloc(realsize)) <= 0) |
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432 return EFFS_NOSPACE; |
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433 |
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434 // Use fs.journal.oldi because i would have been updated if |
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435 // data_reclaim() relocate oldi |
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436 oldip = inode_addr(fs.journal.oldi); |
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437 olddata = offset2addr(location2offset(oldip->location)); |
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438 olddata = addr2data(olddata, oldip); |
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439 |
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440 newi = object_create(newname, olddata, oldsize, fs.i_backup); |
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441 |
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changeset
|
442 tw(tr(TR_END, TrObject, "} %d\n", newi)); |
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443 return newi; |
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|
444 } |
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|
445 |
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|
446 |
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|
447 /****************************************************************************** |
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diff
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|
448 * Object Lookup |
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|
449 ******************************************************************************/ |
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|
450 |
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|
451 // We can *not* use global variables, only local --- we must be re-entrant! |
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parents:
diff
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|
452 |
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diff
changeset
|
453 #if 0 |
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diff
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|
454 |
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diff
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|
455 // NEW CODE! |
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parents:
diff
changeset
|
456 |
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diff
changeset
|
457 iref_t ffs_object_lookup_do(const char **path, iref_t *dir, int readlink); |
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parents:
diff
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|
458 |
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changeset
|
459 iref_t ffs_object_lookup_once(const char *path, char **leaf, iref_t *dir) |
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parents:
diff
changeset
|
460 { |
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diff
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|
461 iref_t i, mydir; |
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diff
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|
462 const char *mypath; |
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parents:
diff
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|
463 |
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diff
changeset
|
464 tw(tr(TR_BEGIN, TrLookup, "object_lookup_once('%s', ?, ?) {\n", path)); |
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|
465 ttw(ttr(TTrInode, "olu(%s){" NL, path)); |
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|
466 |
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|
467 mypath = path; |
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diff
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|
468 mydir = 0; |
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parents:
diff
changeset
|
469 i = object_lookup_do(&mypath, &mydir, 0); |
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parents:
diff
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|
470 if (leaf) *leaf = (char *) mypath; |
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parents:
diff
changeset
|
471 if (dir) *dir = mydir; |
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parents:
diff
changeset
|
472 |
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parents:
diff
changeset
|
473 tw(tr(TR_END, TrLookup, "} (%d, '%s') %d\n", |
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parents:
diff
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|
474 (dir ? *dir : 0), (leaf ? *leaf : ""), i)); |
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parents:
diff
changeset
|
475 ttw(ttr(TTrInode, "} %d" NL, i)); |
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parents:
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|
476 |
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changeset
|
477 return i; |
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|
478 } |
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parents:
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|
479 |
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parents:
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|
480 // Lookup an object. Symlinks are followed. |
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diff
changeset
|
481 iref_t ffs_object_lookup(const char *path, char **leaf, iref_t *dir) |
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parents:
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|
482 { |
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parents:
diff
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|
483 iref_t i, mydir; |
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parents:
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|
484 const char *mypath; |
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parents:
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changeset
|
485 |
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parents:
diff
changeset
|
486 tw(tr(TR_BEGIN, TrLookup, "object_lookup('%s', ?, ?) {\n", path)); |
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parents:
diff
changeset
|
487 ttw(ttr(TTrInode, "olu(%s){" NL, path)); |
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parents:
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|
488 |
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changeset
|
489 mypath = path; |
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|
490 mydir = 0; |
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parents:
diff
changeset
|
491 i = object_lookup_do(&mypath, &mydir, 1); |
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parents:
diff
changeset
|
492 |
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parents:
diff
changeset
|
493 if (is_object(ip, OT_LINK)) { |
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diff
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|
494 // If it is a link, we unconditionally follow it |
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diff
changeset
|
495 mypath = offset2addr(location2offset(ip->location)); |
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changeset
|
496 mypath += ffs_strlen(mypath) + 1; // point to data |
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parents:
diff
changeset
|
497 if (*mypath == '/') { |
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diff
changeset
|
498 mypath++; |
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diff
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|
499 depth = 0; |
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diff
changeset
|
500 d = fs.root; |
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parents:
diff
changeset
|
501 } |
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parents:
diff
changeset
|
502 i = d; |
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diff
changeset
|
503 ip = inode_addr(d); |
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diff
changeset
|
504 } |
945cf7f506b2
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parents:
diff
changeset
|
505 |
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parents:
diff
changeset
|
506 if (leaf) *leaf = (char *) mypath; |
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parents:
diff
changeset
|
507 if (dir) *dir = mydir; |
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parents:
diff
changeset
|
508 |
945cf7f506b2
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parents:
diff
changeset
|
509 tw(tr(TR_END, TrLookup, "} (%d, '%s') %d\n", |
945cf7f506b2
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parents:
diff
changeset
|
510 (dir ? *dir : 0), (leaf ? *leaf : ""), i)); |
945cf7f506b2
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parents:
diff
changeset
|
511 ttw(ttr(TTrInode, "} %d" NL, i)); |
945cf7f506b2
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parents:
diff
changeset
|
512 |
945cf7f506b2
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parents:
diff
changeset
|
513 return i; |
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parents:
diff
changeset
|
514 } |
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parents:
diff
changeset
|
515 |
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parents:
diff
changeset
|
516 // NEW CODE! |
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parents:
diff
changeset
|
517 |
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diff
changeset
|
518 // Ignore all occurrences of two successive slashes. Accept trailing slash |
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parents:
diff
changeset
|
519 // in directory name. |
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diff
changeset
|
520 iref_t ffs_object_lookup_do(const char **path, iref_t *dir, int followlink) |
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parents:
diff
changeset
|
521 { |
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parents:
diff
changeset
|
522 // int lookup_followed; // number of symlinks followed |
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parents:
diff
changeset
|
523 iref_t i, j, d; |
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parents:
diff
changeset
|
524 struct inode_s *ip; |
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parents:
diff
changeset
|
525 const char *p, *q, *mypath = *path; |
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parents:
diff
changeset
|
526 uint8 depth = 1; |
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parents:
diff
changeset
|
527 |
945cf7f506b2
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parents:
diff
changeset
|
528 tw(tr(TR_FUNC, TrLookup, "object_lookup_do('%s', ?, %d) {\n", |
945cf7f506b2
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parents:
diff
changeset
|
529 *path, followlink)); |
945cf7f506b2
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parents:
diff
changeset
|
530 |
945cf7f506b2
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
531 d = fs.root; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
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parents:
diff
changeset
|
532 if (*mypath == '/') { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
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parents:
diff
changeset
|
533 mypath++; // silently ignore and skip prefix slash |
945cf7f506b2
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
534 // root directory is a special case |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
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parents:
diff
changeset
|
535 if (*mypath == 0) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
536 j = d; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
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parents:
diff
changeset
|
537 if (path) *path = mypath; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
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parents:
diff
changeset
|
538 if (dir) *dir = 0; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
539 tw(tr(TR_NULL, TrLookup, "} ('%s', %d) %d\n", mypath, 0, j)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
540 return j; |
945cf7f506b2
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parents:
diff
changeset
|
541 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
542 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
543 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
544 // set default return value if root dir is empty (child link empty) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
545 j = EFFS_NOTFOUND; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
546 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
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parents:
diff
changeset
|
547 ip = inode_addr(d); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
548 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
549 tw(tr(TR_FUNC, TrLookup, "")); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
550 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
551 while ((i = ip->child) != (iref_t) IREF_NULL) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
552 { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
553 j = 0; // default to not found |
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parents:
diff
changeset
|
554 do { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
555 tw(tr(TR_NULL, TrLookup, " %d", (int) i)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
556 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
557 p = mypath; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
558 ip = inode_addr(i); |
945cf7f506b2
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parents:
diff
changeset
|
559 if (is_object_valid(ip) && !is_object(ip, OT_SEGMENT)) { |
945cf7f506b2
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
560 q = addr2name(offset2addr(location2offset(ip->location))); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
561 tw(tr(TR_NULL, TrLookup, ":%s", q)); |
945cf7f506b2
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
562 while (*p == *q && *p != 0 && *q != 0) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
563 p++; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
564 q++; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
565 } |
945cf7f506b2
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
566 if (*q == 0 && (*p == 0 || *p == '/')) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
567 j = i; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
568 break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
569 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
570 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
571 } while ((i = ip->sibling) != (iref_t) IREF_NULL); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
572 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
573 if (j == 0) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
574 // we did not find this component of the mypath. Let's see if this |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
575 // was the leafname component or not... |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
576 while (*p != 0 && *p != '/') |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
577 p++; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
578 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
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parents:
diff
changeset
|
579 if (*p == 0) |
945cf7f506b2
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
580 // The mypath component was indeed the leafname |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
581 j = EFFS_NOTFOUND; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
582 else |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
583 // The path component was not the last, so it obviously |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
584 // contained an object that was not a directory. |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
585 j = EFFS_NOTADIR; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
586 break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
587 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
588 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
589 if (*p == '/') { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
590 // if there are more path components, the object found must be a |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
591 // directory or a symlink... |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
592 if (is_object(ip, OT_LINK)) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
593 // If it is a link, we unconditionally follow it |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
594 mypath = offset2addr(location2offset(ip->location)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
595 mypath += ffs_strlen(mypath) + 1; // point to data |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
596 if (*mypath == '/') { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
597 mypath++; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
598 depth = 0; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
599 d = fs.root; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
600 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
601 i = d; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
602 ip = inode_addr(d); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
603 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
604 else if (is_object(ip, OT_DIR)) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
605 mypath = p + 1; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
606 d = i; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
607 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
608 else { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
609 j = EFFS_NOTADIR; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
610 break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
611 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
612 if (++depth > fs.path_depth_max) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
613 j = EFFS_PATHTOODEEP; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
614 break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
615 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
616 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
617 // if this dir inode has no children, we will leave the while |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
618 // loop, so we preset the return error code. NOTEME: Not |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
619 // strictly correct because if we still have a lot of the |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
620 // pathname left, it should return the error EFFS_NOTADIR |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
621 j = EFFS_NOTFOUND; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
622 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
623 tw(tr(TR_NULL, TrLookup, " /")); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
624 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
625 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
626 else { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
627 // It is a fact that *p == 0. So we found the object |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
628 if (is_object(ip, OT_LINK) && followlink) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
629 // If object is a link, we conditionally follow it... |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
630 mypath = offset2addr(location2offset(ip->location)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
631 mypath += ffs_strlen(mypath) + 1; // point to data |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
632 if (*mypath == '/') { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
633 mypath++; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
634 depth = 0; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
635 d = fs.root; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
636 i = fs.root; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
637 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
638 else |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
639 i = d; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
640 ip = inode_addr(d); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
641 tw(tr(TR_NULL, TrLookup, " -%d->", d)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
642 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
643 else { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
644 break; // Success, we found the object! |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
645 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
646 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
647 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
648 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
649 if (path) *path = (char *) mypath; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
650 if (dir) *dir = d; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
651 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
652 tw(tr(TR_NULL, TrLookup, "} (%d, '%s') %d\n", d, mypath, j)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
653 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
654 return j; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
655 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
656 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
657 #else |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
658 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
659 // Lookup an object. Symlinks are followed. |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
660 iref_t object_lookup(const char *path, char **leaf, iref_t *dir) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
661 { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
662 iref_t i; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
663 struct inode_s *ip; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
664 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
665 tw(tr(TR_BEGIN, TrLookup, "object_lookup('%s', ?, ?) {\n", path)); |
945cf7f506b2
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parents:
diff
changeset
|
666 ttw(ttr(TTrInode, "olu(%s){" NL, path)); |
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parents:
diff
changeset
|
667 |
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parents:
diff
changeset
|
668 i = object_lookup_once(path, leaf, dir); |
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parents:
diff
changeset
|
669 ip = inode_addr(i); |
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parents:
diff
changeset
|
670 |
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diff
changeset
|
671 if (i > 0 && is_object(ip, OT_LINK)) { |
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parents:
diff
changeset
|
672 path = offset2addr(location2offset(ip->location)); |
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diff
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|
673 path += ffs_strlen(path) + 1; // point to data portion |
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parents:
diff
changeset
|
674 i = object_lookup_once(path, leaf, dir); |
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parents:
diff
changeset
|
675 |
945cf7f506b2
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parents:
diff
changeset
|
676 // Links may only point to regular files... |
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parents:
diff
changeset
|
677 ip = inode_addr(i); |
945cf7f506b2
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parents:
diff
changeset
|
678 if (+i > 0 && !is_object(ip, OT_FILE)) |
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parents:
diff
changeset
|
679 i = EFFS_NOTAFILE; |
945cf7f506b2
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parents:
diff
changeset
|
680 } |
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parents:
diff
changeset
|
681 else { |
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parents:
diff
changeset
|
682 leaf = 0; |
945cf7f506b2
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diff
changeset
|
683 dir = 0; |
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parents:
diff
changeset
|
684 } |
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parents:
diff
changeset
|
685 tw(tr(TR_END, TrLookup, "} (%d, '%s') %d\n", |
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parents:
diff
changeset
|
686 (dir ? *dir : 0), (leaf ? *leaf : ""), i)); |
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parents:
diff
changeset
|
687 |
945cf7f506b2
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parents:
diff
changeset
|
688 ttw(ttr(TTrInode, "} %d" NL, i)); |
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parents:
diff
changeset
|
689 return i; |
945cf7f506b2
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parents:
diff
changeset
|
690 } |
945cf7f506b2
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parents:
diff
changeset
|
691 |
945cf7f506b2
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parents:
diff
changeset
|
692 // Lookup an object. If object is found: Return iref of object and |
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parents:
diff
changeset
|
693 // directory of object in <dir>. If object is not found: Return |
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parents:
diff
changeset
|
694 // EFFS_NOTFOUND and last directory component of path in <dir> and leafname |
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parents:
diff
changeset
|
695 // of pathname in <leaf> |
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parents:
diff
changeset
|
696 iref_t object_lookup_once(const char *path, char **leaf, iref_t *dir) |
945cf7f506b2
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parents:
diff
changeset
|
697 { |
945cf7f506b2
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parents:
diff
changeset
|
698 iref_t i, j, d; |
945cf7f506b2
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
699 struct inode_s *ip; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
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parents:
diff
changeset
|
700 const char *p, *q; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
701 uint8 depth = 1; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
702 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
703 tw(tr(TR_FUNC, TrLookup, "object_lookup_once('%s', ?, ?) { ", path)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
704 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
705 if (path == NULL) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
706 return EFFS_BADNAME; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
707 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
708 d = fs.root; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
709 if (*path == '/') { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
710 path++; // silently ignore and skip prefix slash |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
711 // root directory is a special case |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
712 if (*path == 0) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
713 j = d; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
714 if (leaf) *leaf = (char *) path; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
715 if (dir) *dir = 0; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
716 tw(tr(TR_NULL, TrLookup, "} ('%s', %d) %d\n", path, 0, j)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
717 return j; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
718 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
719 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
720 else |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
721 return EFFS_BADNAME; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
722 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
723 // set default return value if root dir is completely empty |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
724 // (child link empty) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
725 j = EFFS_NOTFOUND; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
726 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
727 ip = inode_addr(d); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
728 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
729 while ((i = ip->child) != (iref_t) IREF_NULL) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
730 { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
731 j = 0; // default to not found |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
732 do { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
733 tw(tr(TR_NULL, TrLookup, "i%d ", (int) i)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
734 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
735 p = path; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
736 ip = inode_addr(i); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
737 if (is_object_valid(ip) && !is_object(ip, OT_SEGMENT)) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
738 q = addr2name(offset2addr(location2offset(ip->location))); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
739 tw(tr(TR_NULL, TrLookup, "%s ", q)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
740 while (*p == *q && *p != 0 && *q != 0) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
741 p++; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
742 q++; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
743 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
744 if (*q == 0 && (*p == 0 || *p == '/')) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
745 j = i; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
746 break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
747 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
748 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
749 } while ((i = ip->sibling) != (iref_t) IREF_NULL); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
750 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
751 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
752 if (j == 0) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
753 // we did not find this component of the path. Let's |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
754 // see if this was the leafname component or not... |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
755 while (*p != 0 && *p != '/') |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
756 p++; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
757 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
758 if (*p == 0) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
759 // The path component was indeed the leafname |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
760 j = EFFS_NOTFOUND; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
761 else |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
762 // The path component was not the last, so it |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
763 // obviously contained an object that was not a |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
764 // directory. |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
765 j = EFFS_NOTADIR; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
766 break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
767 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
768 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
769 if (*p == '/') { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
770 // if there are more path components, the object found |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
771 // must be a directory... |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
772 if (!is_object(ip, OT_DIR)) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
773 j = EFFS_NOTADIR; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
774 break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
775 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
776 if (++depth > fs.path_depth_max) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
777 j = EFFS_PATHTOODEEP; |
945cf7f506b2
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
778 break; |
945cf7f506b2
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parents:
diff
changeset
|
779 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
780 path = p + 1; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
781 d = i; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
782 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
783 // if this dir inode has no children, we will leave the |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
784 // while loop, so we preset the return error code. NOTEME: |
945cf7f506b2
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parents:
diff
changeset
|
785 // Not strictly correct because if we still have a lot of |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
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parents:
diff
changeset
|
786 // the pathname left, it should return the error |
945cf7f506b2
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parents:
diff
changeset
|
787 // EFFS_NOTADIR |
945cf7f506b2
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
788 j = EFFS_NOTFOUND; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
789 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
790 tw(tr(TR_NULL, TrLookup, "/ ")); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
791 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
792 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
793 else { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
794 // It is a fact that *p == 0. So we found the object! |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
795 break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
796 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
797 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
798 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
799 if (leaf) *leaf = (char *) path; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
800 if (dir) *dir = d; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
801 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
802 tw(tr(TR_NULL, TrLookup, "} (%d, '%s') %d\n", d, path, j)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
803 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
804 return j; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
805 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
806 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
807 #endif |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
808 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
809 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
810 /****************************************************************************** |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
811 * Directory Operations |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
812 ******************************************************************************/ |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
813 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
814 // Open a directory, returning the iref of the directory's inode. |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
815 iref_t dir_open(const char *name) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
816 { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
817 iref_t i; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
818 struct inode_s *ip; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
819 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
820 tw(tr(TR_BEGIN, TrDirHigh, "dir_open('%s') {\n", name)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
821 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
822 if ((i = object_lookup(name, 0, 0)) < 0) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
823 tw(tr(TR_END, TrDirHigh, "} %d\n", i)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
824 return i; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
825 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
826 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
827 ip = inode_addr(i); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
828 if (!is_object(ip, OT_DIR)) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
829 i = EFFS_NOTADIR; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
830 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
831 tw(tr(TR_END, TrDirHigh, "} %d\n", i)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
832 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
833 return i; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
834 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
835 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
836 // Return name and iref of next entry in directory <dir>. <i> is the last |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
837 // entry we returned from this function. In case this is the first call |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
838 // after the initial call to dir_open(), <i> equals <dir>. |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
839 iref_t dir_next(iref_t dir, iref_t i, char *name, int8 size) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
840 { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
841 struct inode_s *ip = inode_addr(i); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
842 char *p; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
843 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
844 tw(tr(TR_BEGIN, TrDirHigh, "dir_next(%d, %d, ?, %d) {\n", dir, i, size)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
845 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
846 i = (i == dir ? ip->child : ip->sibling); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
847 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
848 while (i != (iref_t) IREF_NULL) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
849 ip = inode_addr(i); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
850 if (is_object_valid(ip)) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
851 p = offset2addr(location2offset(ip->location)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
852 while (size-- && (*name++ = *p++)) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
853 ; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
854 break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
855 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
856 i = ip->sibling; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
857 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
858 if (i == (iref_t) IREF_NULL) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
859 i = 0; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
860 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
861 tw(tr(TR_END, TrDirHigh, "} %d\n", i)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
862 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
863 return i; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
864 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
865 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
866 // Traverse a directory given by inode reference <i>. If <i> is negative, it |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
867 // refers to the actual directory so we start by traversing the child link. |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
868 // Otherwise if <i> is positive, it refers to an entry within the directory |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
869 // and we only traverse sibling links. Returns iref of last object in |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
870 // directory (or negative iref of directory if the child link is empty). |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
871 // <entries> is number of non-deleted objects in the dir (only valid if |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
872 // traversed from the start, eg. with negative <i>). |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
873 iref_t dir_traverse(iref_t i, iref_t *entries) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
874 { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
875 iref_t j = 0, valid = 0, erased = 0, invalid = 0; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
876 struct inode_s *ip; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
877 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
878 tw(tr(TR_FUNC, TrDirLow, "dir_traverse(%d, ?) { ", i)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
879 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
880 if (i < 0) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
881 // If directory's child is empty, this is a virgin directory and we |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
882 // return negative iref of the directory itself. |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
883 j = i; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
884 i = -i; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
885 ip = inode_addr(i); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
886 i = ip->child; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
887 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
888 if (i != (iref_t) IREF_NULL) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
889 do { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
890 if (j == i) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
891 tw(tr(TR_NULL, TrDirLow, "LOOP! ")); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
892 return EFFS_SIBLINGLOOP; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
893 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
894 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
895 j = i; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
896 ip = inode_addr(j); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
897 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
898 tw(tr(TR_NULL, TrDirLow, "%d/%x ", j, ip->flags)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
899 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
900 if (is_object_valid(ip)) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
901 valid++; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
902 else if (is_object(ip, OT_ERASED)) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
903 erased++; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
904 else |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
905 invalid++; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
906 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
907 } while ((i = ip->sibling) != (iref_t) IREF_NULL); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
908 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
909 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
910 if (entries != 0) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
911 *entries = valid; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
912 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
913 tw(tr(TR_NULL, TrDirLow, "} (valid = %d, erased = %d, invalid = %d) %d\n", |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
914 valid, erased, invalid, j)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
915 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
916 return j; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
917 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
918 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
919 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
920 /****************************************************************************** |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
921 * Block, Inode and Data Allocation |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
922 ******************************************************************************/ |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
923 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
924 // Find the youngest free block. Return block index on success. If the |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
925 // argument <priority> is zero, this is a normal alloc and it will leave at |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
926 // least fs.blocks_free_min spare blocks. Otherwise, if it is non-zero, it |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
927 // is a privileged alloc (initiated by a reclaim operation) and it will not |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
928 // necessarily leave any spare blocks. |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
929 bref_t block_alloc(bref_t priority, uint16 flags) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
930 { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
931 bref_t i, b, b_min, b_max, blocks_free; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
932 struct block_header_s *bhp; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
933 age_t age, age_min, age_max; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
934 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
935 tw(tr(TR_BEGIN, TrBlock, "block_alloc(%d, 0x%x) {\n", priority, flags)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
936 ttw(ttr(TTrData, "ba(%d,0x%x) {" NL, priority, flags)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
937 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
938 age_min = BLOCK_AGE_MAX; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
939 age_max = 0; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
940 blocks_free = 0; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
941 b_min = b_max = -1; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
942 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
943 tw(tr(TR_FUNC, TrBlock, "blocks(age): ")); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
944 for (i = dev.numblocks - 1; i >= 0; i--) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
945 { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
946 if (is_block(i, BF_IS_FREE)) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
947 { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
948 blocks_free++; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
949 bhp = (struct block_header_s *) offset2addr(dev.binfo[i].offset); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
950 age = bhp->age; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
951 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
952 tw(tr(TR_NULL, TrBlock, "%d(%d) ", i, age)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
953 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
954 // Remember index of block found. We use '<=' and '>=' operators |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
955 // (instead of '<' and '>') to ensure we have both limits |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
956 // properly set on exit from this loop. |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
957 if (age <= age_min) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
958 b_min = i; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
959 age_min = age; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
960 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
961 if (age >= age_max) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
962 b_max = i; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
963 age_max = age; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
964 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
965 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
966 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
967 tw(tr(TR_NULL, TrBlock, "\n")); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
968 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
969 // Handle age wrap around |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
970 b = b_min; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
971 if (b_min != -1) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
972 // Either age_max really is max age, so b_min is youngest block OR |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
973 // age_max really is min age, so b_max is youngest block |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
974 b = (age_max - age_min) < 0x8000 ? b_min : b_max; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
975 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
976 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
977 // Only privileged allocs will get the last free block |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
978 if (blocks_free <= fs.blocks_free_min - priority) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
979 b = -1; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
980 tw(tr(TR_FUNC, TrBlock, "Only %d block(s) left, required = %d\n", |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
981 blocks_free, fs.blocks_free_min - priority)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
982 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
983 else { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
984 // Prepare/format the block for holding data/inodes |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
985 if (flags == BF_DATA) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
986 bstat[b].used = BHEADER_SIZE; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
987 bstat[b].lost = 0; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
988 bstat[b].objects = 0; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
989 block_flags_write(b, BF_DATA); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
990 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
991 else if (flags == BF_COPYING) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
992 // This code is used on a fresh format and when allocating a new |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
993 // block for reclaiming inodes |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
994 block_flags_write(b, BF_COPYING); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
995 bstat[b].used = 0; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
996 bstat[b].lost = 0; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
997 bstat[b].objects = 1; // first inode to be allocated |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
998 } |
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999 else { |
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1000 tw(tr(TR_FUNC, TrBlock, "FATAL: Bad input (flags = 0x%X)\n", flags)); |
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1001 } |
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1002 } |
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1003 |
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|
1004 tw(tr(TR_END, TrBlock, "} (%d) %d\n", blocks_free, b)); |
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1005 ttw(ttr(TTrData, "} 0x%x" NL, b)); |
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|
1006 |
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1007 return b; |
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|
1008 } |
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|
1009 |
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|
1010 // Free and schedule a block for erase. |
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|
1011 void block_free(bref_t b) |
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|
1012 { |
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|
1013 tw(tr(TR_BEGIN, TrBlock, "block_free(%d) {\n", b)); |
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|
1014 |
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|
1015 // mark block as invalid and schedule erasure |
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diff
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|
1016 block_flags_write(b, BF_LOST); |
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parents:
diff
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|
1017 block_reclaim(b); |
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|
1018 |
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|
1019 tw(tr(TR_END, TrBlock, "}\n")); |
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|
1020 } |
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1021 |
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diff
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|
1022 void block_flags_write(uint8 block, uint8 flags) |
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diff
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|
1023 { |
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|
1024 struct block_header_s *bhp = |
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parents:
diff
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|
1025 (struct block_header_s *) offset2addr(dev.binfo[block].offset); |
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diff
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|
1026 |
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diff
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|
1027 tw(tr(TR_BEGIN, TrBlock, "block_flags_write(%d, 0x%x)\n", block, flags)); |
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diff
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|
1028 |
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diff
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|
1029 bstat[block].flags = BIT_SET(bstat[block].flags, flags); |
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parents:
diff
changeset
|
1030 ffsdrv.write_halfword((uint16 *) &bhp->flags, bstat[block].flags ); |
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parents:
diff
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|
1031 |
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parents:
diff
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|
1032 tw(tr(TR_END, TrBlock, "")); |
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parents:
diff
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|
1033 } |
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parents:
diff
changeset
|
1034 |
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parents:
diff
changeset
|
1035 // Allocate an inode for a new object. We use bstat[fs.inodes].objects to |
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parents:
diff
changeset
|
1036 // start our scan for a free inode instead of starting from the first time |
945cf7f506b2
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parents:
diff
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|
1037 // each time. |
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parents:
diff
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|
1038 iref_t inode_alloc(void) |
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parents:
diff
changeset
|
1039 { |
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parents:
diff
changeset
|
1040 iref_t i; |
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parents:
diff
changeset
|
1041 |
945cf7f506b2
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parents:
diff
changeset
|
1042 tw(tr(TR_BEGIN, TrInode, "inode_alloc() {\n")); |
945cf7f506b2
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1043 ttw(ttr(TTrInode, "i_a() {" NL)); |
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parents:
diff
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|
1044 |
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parents:
diff
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|
1045 if ((i = inode_alloc_try()) == 0) { |
945cf7f506b2
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parents:
diff
changeset
|
1046 // FIXME NO we are not always of inodes, maybe dos there exist to |
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parents:
diff
changeset
|
1047 // many objects! It will not help to reclaim the inodes in that case! |
945cf7f506b2
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parents:
diff
changeset
|
1048 tw(tr(TR_FUNC, TrInode, "NOTE: Out of free inodes...\n")); |
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parents:
diff
changeset
|
1049 inodes_reclaim(); |
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parents:
diff
changeset
|
1050 i = inode_alloc_try(); |
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parents:
diff
changeset
|
1051 } |
945cf7f506b2
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parents:
diff
changeset
|
1052 |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1053 tw(tr(TR_END, TrInode, "} %d\n", i)); |
945cf7f506b2
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1054 ttw(ttr(TTrInode, "} %d" NL, i)); |
945cf7f506b2
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1055 |
945cf7f506b2
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1056 return i; |
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parents:
diff
changeset
|
1057 } |
945cf7f506b2
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parents:
diff
changeset
|
1058 |
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parents:
diff
changeset
|
1059 iref_t inode_alloc_try(void) |
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parents:
diff
changeset
|
1060 { |
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parents:
diff
changeset
|
1061 iref_t i = fs.inodes_max; |
945cf7f506b2
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1062 struct inode_s *ip; |
945cf7f506b2
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1063 |
945cf7f506b2
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1064 // If we have not yet reached the maximum allowed number of objects, |
945cf7f506b2
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1065 // search for next free inode... |
945cf7f506b2
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1066 if (bstat[fs.inodes].used - bstat[fs.inodes].lost < fs.objects_max) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1067 { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1068 ip = inode_addr(bstat[fs.inodes].objects); |
945cf7f506b2
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1069 for (i = bstat[fs.inodes].objects; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1070 i < fs.inodes_max - FFS_INODES_MARGIN; i++, ip++) { |
945cf7f506b2
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1071 if (ip->location == FLASH_NULL32) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1072 bstat[fs.inodes].objects = i; |
945cf7f506b2
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parents:
diff
changeset
|
1073 bstat[fs.inodes].used++; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1074 break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1075 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1076 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
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parents:
diff
changeset
|
1077 } |
945cf7f506b2
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1078 if (i >= fs.inodes_max - FFS_INODES_MARGIN) |
945cf7f506b2
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1079 i = 0; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1080 |
945cf7f506b2
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1081 tw(tr(TR_FUNC, TrInode, "inode_alloc_try() %d\n", i)); |
945cf7f506b2
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1082 ttw(ttr(TTrInode, "i_a_t() %d" NL, i)); |
945cf7f506b2
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1083 |
945cf7f506b2
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parents:
diff
changeset
|
1084 return i; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
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parents:
diff
changeset
|
1085 } |
945cf7f506b2
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1086 |
945cf7f506b2
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1087 // NOTEME: Should file data be word aligned to enable faster reads and |
945cf7f506b2
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parents:
diff
changeset
|
1088 // writes in word quantities AND to be more compatible with the inherent |
945cf7f506b2
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parents:
diff
changeset
|
1089 // 16-bit access width of flash memories? |
945cf7f506b2
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parents:
diff
changeset
|
1090 offset_t data_alloc(int size) |
945cf7f506b2
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1091 { |
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parents:
diff
changeset
|
1092 offset_t offset = 0; |
945cf7f506b2
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parents:
diff
changeset
|
1093 bref_t b; |
945cf7f506b2
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parents:
diff
changeset
|
1094 |
945cf7f506b2
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1095 tw(tr(TR_BEGIN, TrData, "data_alloc(%d) {\n", size)); |
945cf7f506b2
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1096 ttw(ttr(TTrData, "da(%d) {" NL, size)); |
945cf7f506b2
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1097 |
945cf7f506b2
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1098 offset = data_prealloc(size); |
945cf7f506b2
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1099 |
945cf7f506b2
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parents:
diff
changeset
|
1100 // If we did allocate the space, we update bstat[] |
945cf7f506b2
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parents:
diff
changeset
|
1101 if (offset > 0) { |
945cf7f506b2
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1102 b = offset2block(offset); |
945cf7f506b2
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parents:
diff
changeset
|
1103 bstat[b].used += size; |
945cf7f506b2
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parents:
diff
changeset
|
1104 stats.data_allocated += size; // STATS |
945cf7f506b2
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1105 } |
945cf7f506b2
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1106 |
945cf7f506b2
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1107 tw(tr(TR_END, TrData, "} 0x%04x\n", offset)); |
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1108 ttw(ttr(TTrData, "} %x" NL, offset)); |
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1109 |
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1110 return offset; |
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1111 } |
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1112 |
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1113 offset_t data_prealloc(int realsize) |
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1114 { |
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1115 int result, i, bytes_free; |
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1116 offset_t offset; |
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1117 |
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1118 // Is it possible to get this amount of free space and still have enough |
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1119 // reserved space? |
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1120 ffs_query(Q_BYTES_FREE_RAW, &bytes_free); |
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1121 if (realsize > (bytes_free + FFS_FILENAME_MAX + dev.atomsize)) |
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1122 return 0; // Not enough unused space |
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1123 |
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1124 for (i = 0; i < dev.numblocks; i++) { |
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1125 if ((offset = data_alloc_try(realsize)) > 0) |
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1126 return offset; // Space found |
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1127 |
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1128 if ((result = data_reclaim(realsize)) < 0) |
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1129 return 0; // Data reclaim failed! |
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1130 } |
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1131 |
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1132 return 0; // No space found |
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1133 } |
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1134 |
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1135 // Find free data space of size <size>. Return zero if no space available. |
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1136 // Note that we ensure that we always have space immediately available for a |
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1137 // privileged data_alloc(), e.g. a data_alloc() that allocates data space |
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1138 // without performing a data_reclaim(). This is important when |
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1139 // re-creating/re-locating the journal file. |
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1140 offset_t data_alloc_try(int size) |
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1141 { |
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1142 bref_t b; |
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1143 int free; |
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1144 offset_t offset_big = 0, offset_small = 0; |
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1145 int size_big_ok = 0, size_small_ok = 0; |
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1146 int size_big, size_small; |
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1147 int reserved; |
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1148 |
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1149 tw(tr(TR_FUNC, TrData, "data_alloc_try(%d) { ", size)); |
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1150 ttw(ttr(TTrData, "dat(%d) {" NL, size)); |
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1151 |
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1152 // NOTE when we alloc do we only need to have reserved space for X |
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1153 // number of journal files, where X is the max number of used journals |
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1154 // per data reclaim. The only exception is when an object_relocate has |
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1155 // failed thus we set reserved_space to zero. |
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1156 reserved = RESERVED_LOW; |
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1157 |
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|
1158 if (fs.reserved_space < reserved) |
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1159 reserved = fs.reserved_space; |
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1160 |
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1161 // Set size_big to the grater of the sizes and size_small to the lesser. |
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1162 size_big = (size > reserved ? size : reserved); |
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1163 size_small = (size > reserved ? reserved : size); |
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|
1164 tw(tr(TR_NULL, TrData, "(size_big, small = %d, %d) ", size_big, size_small)); |
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1165 |
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1166 // First search for free space in data blocks |
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1167 tw(tr(TR_NULL, TrData, "block:free,objects: ")); |
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1168 |
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1169 for (b = 0; b < dev.numblocks; b++) { |
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|
1170 if (is_block(b, BF_IS_DATA)) { |
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|
1171 free = dev.blocksize - bstat[b].used; |
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|
1172 tw(tr(TR_NULL, TrData, "%d:%d,%d ", b, free, bstat[b].objects)); |
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|
1173 if (bstat[b].objects < fs.block_files_max - fs.block_files_reserved) { |
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|
1174 if (!size_big_ok && !size_small_ok && |
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|
1175 (free >= size_big + size_small)) { |
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|
1176 size_big_ok = size_small_ok = 1; |
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1177 offset_big = offset_small = |
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|
1178 dev.binfo[b].offset + bstat[b].used; |
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|
1179 tw(tr(TR_NULL, TrData, "big/small_ok ")); |
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|
1180 break; |
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|
1181 } |
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1182 else if (!size_big_ok && free >= size_big) { |
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|
1183 size_big_ok = 1; |
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1184 offset_big = dev.binfo[b].offset + bstat[b].used; |
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|
1185 tw(tr(TR_NULL, TrData, "big_ok ")); |
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|
1186 } |
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|
1187 else if (!size_small_ok && free >= size_small) { |
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|
1188 size_small_ok = 1; |
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|
1189 offset_small = dev.binfo[b].offset + bstat[b].used; |
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|
1190 tw(tr(TR_NULL, TrData, "small_ok ")); |
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|
1191 } |
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|
1192 } |
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|
1193 } |
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1194 if (size_small_ok && size_big_ok) |
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|
1195 break; |
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1196 } |
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1197 |
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|
1198 if (size_big_ok && size_small_ok) |
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|
1199 offset_big = (size > reserved ? offset_big : offset_small); |
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1200 else |
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|
1201 offset_big = 0; |
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|
1202 |
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|
1203 tw(tr(TR_NULL, TrData, "} 0x%x\n", offset_big)); |
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|
1204 ttw(ttr(TTrData, "} %x " NL, offset_big)); |
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|
1205 |
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|
1206 return offset_big; |
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|
1207 } |
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|
1208 |
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|
1209 offset_t data_reserved_alloc(int size) |
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|
1210 { |
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diff
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|
1211 bref_t b; |
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|
1212 offset_t offset = 0; |
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|
1213 int free; |
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1214 |
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changeset
|
1215 tw(tr(TR_BEGIN, TrData, "data_reserved_alloc(%d) {\n", size)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1216 ttw(ttr(TTrData, "dra(%d) {" NL, size)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1217 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1218 tw(tr(TR_NULL, TrData, "block:free,objects: ")); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1219 for (b = 0; b < dev.numblocks; b++) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1220 if (is_block(b, BF_IS_DATA)) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1221 free = dev.blocksize - bstat[b].used; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1222 tw(tr(TR_NULL, TrData, "%d:%d,%d ", b, free, bstat[b].objects)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1223 if (free >= size) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1224 offset = dev.binfo[b].offset + bstat[b].used; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1225 break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1226 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1227 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1228 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1229 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1230 // If we did allocate the space, we update bstat[] |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1231 if (offset != 0) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1232 b = offset2block(offset); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1233 bstat[b].used += size; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1234 stats.data_allocated += size; // STATS |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1235 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1236 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1237 tw(tr(TR_END, TrData, "} 0x%04x\n", offset)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1238 ttw(ttr(TTrData, "} %x" NL, offset)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1239 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1240 return offset; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1241 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1242 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1243 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1244 iref_t chunk_alloc(int realsize, int is_journal, offset_t *offset) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1245 { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1246 iref_t i; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1247 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1248 if (realsize < 0) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1249 return EFFS_INVALID; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1250 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1251 // Have we reached objects_max? We make a similar test in |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1252 // inode_alloc_try(), however we need to do it here or else we risk to start |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1253 // a data_reclaim we not can finish. |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1254 if (bstat[fs.inodes].used - bstat[fs.inodes].lost >= fs.objects_max) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1255 tw(tr(TR_END, TrObject, "} %d\n", EFFS_FSFULL)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1256 ttw(ttr(TTrObj, "} %d" NL, EFFS_FSFULL)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1257 return EFFS_FSFULL; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1258 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1259 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1260 // Allocate space for the object name (and object data) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1261 if (is_journal) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1262 *offset = data_reserved_alloc(realsize); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1263 else |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1264 *offset = data_alloc(realsize); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1265 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1266 if (*offset == 0) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1267 tw(tr(TR_END, TrObject, "} %d\n", EFFS_NOSPACE)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1268 ttw(ttr(TTrObj, "} %d" NL, EFFS_NOSPACE)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1269 return EFFS_NOSPACE; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1270 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1271 fs.journal.location = offset2location(*offset); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1272 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1273 // Allocate an inode for the object |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1274 i = fs.journal.i = inode_alloc(); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1275 if (i == 0) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1276 tw(tr(TR_END, TrObject, "} %d\n", EFFS_FSFULL)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1277 ttw(ttr(TTrObj, "} %d" NL, EFFS_FSFULL)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1278 return EFFS_FSFULL; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1279 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1280 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1281 return i; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1282 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1283 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1284 /****************************************************************************** |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1285 * query and fcontrol |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1286 ******************************************************************************/ |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1287 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1288 extern uint16 ffs_flash_device; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1289 extern uint16 ffs_flash_manufact; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1290 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1291 effs_t object_control(iref_t i, int8 action, int value) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1292 { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1293 effs_t error = EFFS_OK; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1294 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1295 tw(tr(TR_BEGIN, TrOther, "object_control(%d, %d, 0x%x) {\n", |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1296 i, action, value)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1297 ttw(ttr(TTrApi, "obj_control(%d,%d,0x%x)" NL, i, action, value)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1298 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1299 switch (action) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1300 case OC_FLAGS: |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1301 // Set/clear object flags. Attempting to modify the "/dev/ffs" |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1302 // object (i = 0) or any non-defined flags is an invalid operation. |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1303 if (i <= 0 || value & ~OF_ALL) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1304 error = EFFS_INVALID; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1305 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1306 else { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1307 // there are two cases; either we only set bits in the flags. |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1308 // This is simple, as we just have to update the flags byte. The |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1309 // other case is harder because we have to clear bits and for |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1310 // this we have to copy the old inode to a new inode, setting |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1311 // the flags appropriately. For now we always just allocate a |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1312 // new inode and set the flags according to the <value> |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1313 // argument. |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1314 journal_begin(i); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1315 fs.journal.flags |= OF_MASK; // reset all flags |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1316 fs.journal.flags = BIT_SET(fs.journal.flags, value); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1317 if ((fs.journal.i = inode_alloc()) == 0) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1318 error = EFFS_FSFULL; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1319 else { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1320 fs.journal.diri = dir_traverse(fs.journal.diri, 0); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1321 journal_end(0); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1322 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1323 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1324 break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1325 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1326 case OC_FS_FLAGS: fs.flags = value; break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1327 case OC_DEV_MANUFACT: ffs_flash_manufact = value; break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1328 case OC_DEV_DEVICE: ffs_flash_device = value; break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1329 case OC_FS_TESTFLAGS: fs.testflags = value; break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1330 case OC_DEBUG_0: |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1331 case OC_DEBUG_1: |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1332 case OC_DEBUG_2: |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1333 case OC_DEBUG_3: fs.debug[action - OC_DEBUG_FIRST] = value; break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1334 case OC_TRACE_INIT: |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1335 #if (TARGET == 1) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1336 ttr_init(value); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1337 #endif |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1338 break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1339 default: |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1340 error = EFFS_INVALID; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1341 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1342 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1343 tw(tr(TR_END, TrOther, "} %d\n", error)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1344 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1345 return error; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1346 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1347 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1348 extern int tmffs_bufsize(void); // used by ffs_query() |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1349 extern unsigned char *tmffs_bufaddr(void); // used by ffs_query() |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1350 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1351 #if (TARGET == 1) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1352 // request_id_last is only used in TARGET not to any use on the PC side |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1353 extern req_id_t request_id_last; // from task.c |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1354 #else |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1355 req_id_t request_id_last; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1356 #endif |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1357 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1358 // If tmffs not is represented we define a dummy tm version |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1359 #ifndef FFS_TM_VERSION |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1360 #define FFS_TM_VERSION ((uint16) 0x0BAD) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1361 #endif |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1362 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1363 effs_t ffs_query(int8 query, void *p) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1364 { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1365 tw(tr(TR_FUNC, TrOther, "query(%d) (?)\n", query)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1366 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1367 if (p == NULL) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1368 return EFFS_INVALID; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1369 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1370 switch (query) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1371 { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1372 case Q_BYTES_FREE: |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1373 case Q_BYTES_USED: |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1374 case Q_BYTES_LOST: |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1375 case Q_BYTES_MAX: |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1376 case Q_OBJECTS_TOTAL: |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1377 case Q_BLOCKS_FREE: |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1378 case Q_BYTES_FREE_RAW: |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1379 { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1380 bref_t b; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1381 bref_t blocks_free = 0; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1382 iref_t objects = 0; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1383 offset_t max, used = 0, lost = 0; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1384 struct block_stat_s *bp; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1385 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1386 // Don't count free blocks, inode block, block header and reserved space. |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1387 max = (dev.numblocks - fs.blocks_free_min - 1) * |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1388 (dev.blocksize - BHEADER_SIZE) - fs.reserved_space; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1389 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1390 // Furthermore don't count the ovewrhead from each chunk (alignment) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1391 // NOTE: If we call query while FFS not is formatted there is a risk |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1392 // of deviding with zero! |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1393 if (fs.chunk_size_max > 0) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1394 max -= ((max / fs.chunk_size_max + 1) * dev.atomsize); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1395 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1396 for (b = 0, bp = &bstat[0]; b < dev.numblocks; b++, bp++) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1397 if (is_block(b, BF_IS_FREE)) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1398 blocks_free++; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1399 if (is_block(b, BF_IS_DATA)) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1400 objects += bp->objects; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1401 used += bp->used; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1402 lost += bp->lost; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1403 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1404 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1405 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1406 switch (query) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1407 case Q_BYTES_FREE: *(uint32*)p = max - (used - lost) - FFS_FILENAME_MAX; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1408 break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1409 case Q_BYTES_FREE_RAW:*(uint32*)p = max - (used - lost); break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1410 case Q_BYTES_USED: *(uint32*)p = used; break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1411 case Q_BYTES_LOST: *(uint32*)p = lost; break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1412 case Q_BYTES_MAX: *(uint32*)p = max; break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1413 case Q_OBJECTS_TOTAL: *(uint16*)p = objects; break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1414 case Q_BLOCKS_FREE: *(uint16*)p = blocks_free; break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1415 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1416 break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1417 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1418 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1419 case Q_TM_BUFADDR: *(uint32*)p = (uint32) tmffs_bufaddr(); break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1420 case Q_TM_BUFSIZE: *(uint32*)p = tmffs_bufsize(); break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1421 case Q_DEV_BASE: *(uint32*)p = (uint32) dev.base; break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1422 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1423 // FFS versions |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1424 case Q_FFS_API_VERSION: *(uint16*)p = FFS_API_VERSION; break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1425 case Q_FFS_DRV_VERSION: *(uint16*)p = FFS_DRV_VERSION; break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1426 case Q_FFS_REVISION: *(uint16*)p = ffs_revision; break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1427 case Q_FFS_FORMAT_WRITE: *(uint16*)p = FFS_FORMAT_VERSION; break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1428 case Q_FFS_FORMAT_READ: *(uint16*)p = fs.format; break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1429 case Q_FFS_LASTERROR: *(int16*)p = fs.initerror; break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1430 case Q_FFS_TM_VERSION: *(int16*)p = FFS_TM_VERSION; break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1431 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1432 // File system queries |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1433 case Q_FILENAME_MAX: *(uint16*)p = fs.filename_max; break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1434 case Q_PATH_DEPTH_MAX: *(uint16*)p = fs.path_depth_max; break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1435 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1436 case Q_OBJECTS_FREE: *(uint16*)p = fs.objects_max - |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1437 (bstat[fs.inodes].used - |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1438 bstat[fs.inodes].lost); break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1439 case Q_INODES_USED: *(uint16*)p = bstat[fs.inodes].used; break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1440 case Q_INODES_LOST: *(uint16*)p = bstat[fs.inodes].lost; break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1441 case Q_OBJECTS_MAX: *(uint16*)p = fs.objects_max; break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1442 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1443 case Q_INODES_MAX: *(uint16*)p = fs.inodes_max; break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1444 case Q_CHUNK_SIZE_MAX: *(uint16*)p = fs.chunk_size_max; break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1445 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1446 // File descriptor queris |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1447 case Q_FD_BUF_SIZE: *(uint32*)p = fs.fd_buf_size; break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1448 case Q_FD_MAX: *(uint16*)p = fs.fd_max; break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1449 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1450 // device queries |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1451 case Q_DEV_MANUFACTURER: *(uint16*)p = dev.manufact; break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1452 case Q_DEV_DEVICE: *(uint16*)p = dev.device; break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1453 case Q_DEV_BLOCKS: *(uint16*)p = dev.numblocks; break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1454 case Q_DEV_ATOMSIZE: *(uint16*)p = dev.atomsize; break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1455 case Q_DEV_DRIVER: *(uint16*)p = dev.driver; break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1456 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1457 // Miscellaneous/Internal |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1458 case Q_BLOCKS_FREE_MIN: *(uint16*)p = fs.blocks_free_min; break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1459 case Q_LOST_HIGH: *(uint16*)p = fs.lost_threshold; break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1460 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1461 // Debug queries |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1462 case Q_FS_FLAGS: *(uint16*)p = fs.flags; break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1463 case Q_FS_INODES: *(uint16*)p = fs.inodes; break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1464 case Q_FS_ROOT: *(uint16*)p = fs.root; break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1465 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1466 case Q_STATS_DRECLAIMS: *(uint32*)p = stats.drec.most_lost + |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1467 stats.drec.most_unused + |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1468 stats.drec.youngest; break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1469 case Q_STATS_IRECLAIMS: *(uint32*)p = stats.irec.num; break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1470 case Q_STATS_DATA_RECLAIMED: *(uint32*)p = stats.drec.valid[0] + |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1471 stats.drec.lost[0]; break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1472 case Q_STATS_INODES_RECLAIMED: *(uint32*)p = stats.irec.valid + stats.irec.lost; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1473 break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1474 case Q_STATS_DATA_ALLOCATED: *(uint32*)p = stats.data_allocated; break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1475 case Q_REQUEST_ID_LAST: *(uint32*)p = request_id_last; break; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1476 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1477 default: |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1478 if (query >= Q_BSTAT && (query - Q_BSTAT) < dev.numblocks) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1479 { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1480 struct block_header_s *bhp; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1481 uint32 *myp = p; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1482 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1483 query -= Q_BSTAT; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1484 bhp = (struct block_header_s *) offset2addr(dev.binfo[query].offset); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1485 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1486 *myp++ = bstat[query].used; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1487 *myp++ = bstat[query].lost; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1488 // If we are in READ mode or this block is not lost, we can |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1489 // safely read the age. Otherwise it is maybe currently erasing |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1490 // and thus we cannot read the age. |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1491 // NOTEME: Should this not have been handled by a driver function? |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1492 if (dev.state == DEV_READ || !is_block_flag(query, BF_LOST)) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1493 *myp++ = (bhp->age << 16) | bstat[query].flags; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1494 else |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1495 *myp++ = ( 0xFFFE << 16) | bstat[query].flags; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1496 *myp++ = bstat[query].objects; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1497 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1498 else if (query >= Q_DEBUG_FIRST && query < Q_DEBUG_LAST) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1499 *(uint32*)p = fs.debug[query - Q_DEBUG_FIRST]; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1500 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1501 else |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1502 return EFFS_INVALID; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1503 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1504 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1505 return EFFS_OK; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1506 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1507 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1508 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1509 /****************************************************************************** |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1510 * Miscellaneous Helper Functions |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1511 ******************************************************************************/ |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1512 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1513 // Check if an object is read-only. Note that the root inode is always |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1514 // readonly, no matter what! Returns error or original <i>. |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1515 iref_t is_readonly(iref_t i, const char *path) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1516 { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1517 struct inode_s *ip = inode_addr(i); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1518 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1519 tw(tr(TR_FUNC, TrObject, "is_readonly(%d, '%s') ", i, path)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1520 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1521 if (i == fs.root || i == fs.ijournal || |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1522 (IS_BIT_SET(ip->flags, OF_READONLY) && !ffs_is_modifiable(path))) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1523 i = EFFS_ACCESS; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1524 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1525 tw(tr(TR_NULL, TrObject, "(0x%X) %d\n", ip->flags, i)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1526 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1527 return i; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1528 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1529 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1530 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1531 // Check if filename is valid. Return EFFS_BADNAME if name contains |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1532 // invalid chars. Return RFFS_NAMETOOLONG if name is too |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1533 // long. Otherwise return filename length. |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1534 effs_t is_filename(const char *s) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1535 { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1536 char *p = (char *) s; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1537 int n = 0; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1538 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1539 while ( (*s >= 'a' && *s <= 'z') || |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1540 (*s >= 'A' && *s <= 'Z') || |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1541 (*s >= '0' && *s <= '9') || |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1542 *s == '.' || |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1543 *s == ',' || |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1544 *s == '_' || |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1545 *s == '-' || |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1546 *s == '+' || |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1547 *s == '%' || |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1548 *s == '$' || |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1549 *s == '#' ) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1550 { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1551 s++; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1552 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1553 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1554 if (*s != 0) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1555 n = EFFS_BADNAME; // invalid file name character found |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1556 else { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1557 n = s - p; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1558 if (n > fs.filename_max) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1559 n = EFFS_NAMETOOLONG; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1560 if (n == 0) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1561 n = EFFS_BADNAME; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1562 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1563 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1564 tw(tr(TR_FUNC, TrUtil, "is_filename('%s') %d\n", p, n)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1565 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1566 return n; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1567 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1568 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1569 int ffs_strlen(const char *s) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1570 { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1571 const char *p = s; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1572 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1573 while (*p++) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1574 ; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1575 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1576 tw(tr(TR_FUNC, TrUtil, "strlen('%s') %d\n", s, p-s-1)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1577 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1578 return p-s-1; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1579 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1580 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1581 // Return zero if strings are equal, otherwise return non-zero. |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1582 int ffs_strcmp(const char *s, const char *p) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1583 { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1584 int8 n = 1; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1585 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1586 tw(tr(TR_FUNC, TrUtil, "strcmp('%s', '%s') ", s, p)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1587 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1588 while (*s == *p && *p != 0) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1589 s++; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1590 p++; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1591 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1592 if (*s == *p) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1593 n = 0; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1594 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1595 tw(tr(TR_NULL, TrUtil, "(%d)\n", n)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1596 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1597 return n; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1598 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1599 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1600 // Note: rename function? like get_fdi.. |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1601 fd_t get_fdi(iref_t i) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1602 { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1603 int j; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1604 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1605 tw(tr(TR_FUNC, TrUtil, "get_fdi(%d)\n", i)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1606 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1607 if (i > 0) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1608 for (j = 0; j < fs.fd_max; j++) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1609 if (i == fs.fd[j].seghead) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1610 return j; // Return fdi without offset |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1611 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1612 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1613 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1614 return -1; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1615 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1616 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1617 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1618 effs_t is_fd_valid(fd_t fdi) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1619 { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1620 if (fdi >= fs.fd_max || fdi < 0 || fs.fd[fdi].options == 0) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1621 return 0; // Not valid! |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1622 return 1; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1623 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1624 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1625 effs_t is_offset_in_buf(int offset, fd_t fdi) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1626 { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1627 if (fs.fd[fdi].dirty == 1) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1628 if (offset >= fs.fd[fdi].wfp && |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1629 offset < fs.fd[fdi].wfp + fs.chunk_size_max) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1630 return 1; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1631 return 0; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1632 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1633 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1634 /****************************************************************************** |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1635 * Chunk Operations |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1636 ******************************************************************************/ |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1637 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1638 iref_t segment_create(const char *buf, int size, iref_t dir) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1639 { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1640 iref_t i; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1641 struct inode_s *ip; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1642 int realsize; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1643 offset_t offset; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1644 char *dataaddr; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1645 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1646 ttw(ttr(TTrObj, "segc(%d, %d){" NL, size, dir)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1647 tw(tr(TR_BEGIN, TrObject, "segment_create( ?, %d, %d) {\n", size, dir)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1648 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1649 fs.journal.size = realsize = atomalign(size + 1); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1650 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1651 // Init journal.diri before chunk_alloc() because it might trigger a |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1652 // data_reclaim() which can relocate the dir inode |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1653 fs.journal.diri = dir; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1654 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1655 if ((i = chunk_alloc(realsize, 0, &offset)) < 0) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1656 return i; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1657 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1658 ip = inode_addr(i); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1659 dataaddr = offset2addr(offset); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1660 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1661 // Write data and null terminator. We null-terminate the data block, |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1662 // such that blocks_fsck() can determine the amount of used data block |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1663 // space correctly. |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1664 ffsdrv.write(dataaddr, buf, size); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1665 dataaddr += size; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1666 ffsdrv_write_byte(dataaddr, 0); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1667 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1668 // Segments is linked together by the child link(create) or by the |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1669 // sibling link(update or relocate). A negativ dir indicate that it is a |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1670 // update or relocate and the sign must be reversed so the journal |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1671 // system will use the sibling link to link the inode together. |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1672 if (dir > 0) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1673 fs.journal.diri = chunk_traverse(fs.journal.diri); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1674 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1675 fs.journal.diri = -fs.journal.diri; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1676 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1677 tw(tr(TR_END, TrObject, "} %d\n", i)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1678 ttw(ttr(TTrObj, "} %d" NL,i)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1679 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1680 return i; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1681 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1682 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1683 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1684 int segment_read(iref_t i, char *buf, int size, int offset) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1685 { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1686 struct inode_s *ip; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1687 char *p; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1688 int chunk_size; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1689 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1690 tw(tr(TR_BEGIN, TrObject, "segment_read(%d, 0x%x, %d, %d) {\n", |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1691 i, buf, offset, size)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1692 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1693 if (buf == NULL) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1694 tw(tr(TR_END, TrObject, "} %d\n", EFFS_INVALID)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1695 return EFFS_INVALID; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1696 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1697 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1698 ip = inode_addr(i); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1699 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1700 chunk_size = segment_datasize(ip); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1701 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1702 // Saturate read buffer |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1703 if (size > chunk_size - offset) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1704 size = chunk_size - offset; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1705 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1706 p = offset2addr(location2offset(ip->location)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1707 p = addr2data(p, ip); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1708 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1709 memcpy(buf, &p[offset], size); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1710 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1711 tw(tr(TR_END, TrObject, "} %d\n", size)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1712 return size; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1713 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1714 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1715 // Find next valid chunk |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1716 iref_t segment_next(iref_t i) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1717 { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1718 struct inode_s *ip = inode_addr(i); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1719 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1720 tw(tr(TR_BEGIN, TrDirHigh, "ffs_segment_next(%d) {\n", i)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1721 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1722 // Dir is not allowed to contain data |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1723 if (is_object(ip, OT_DIR)) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1724 tw(tr(TR_END, TrDirHigh, "} 0\n")); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1725 return 0; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1726 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1727 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1728 // Is this the last/only segment |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1729 if ((i = ip->child) == (iref_t) IREF_NULL) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1730 tw(tr(TR_END, TrDirHigh, "} 0\n")); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1731 return 0; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1732 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1733 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1734 // Get child (is valid?), search though segment by sibling link(is |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1735 // valid?), and again.. |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1736 do { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1737 i = ip->child; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1738 ip = inode_addr(i); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1739 if (is_object_valid(ip)) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1740 tw(tr(TR_END, TrDirHigh,"} %d\n", i)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1741 return i; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1742 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1743 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1744 while (ip->sibling != (iref_t) IREF_NULL) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1745 i = ip->sibling; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1746 ip = inode_addr(i); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1747 if (is_object_valid(ip)) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1748 tw(tr(TR_END, TrDirHigh,"} %d\n", i)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1749 return i; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1750 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1751 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1752 } while (ip->child != (iref_t) IREF_NULL); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1753 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1754 // No segment found |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1755 tw(tr(TR_END, TrDirHigh,"} %d\n", i)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1756 return 0; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1757 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
1758 |
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|
1759 // The output "inode" will be the inode that contains the requested data or |
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|
1760 // the last inode in the segmentfile. The segmenthead will be skiped if it |
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|
1761 // don't contains any data. inode_offset is the offset in the found inode |
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|
1762 // pointed to by target_offset. If target_offset point past the last segment |
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|
1763 // will inode_offset be the size of the last inode. The return value will be |
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|
1764 // the same as target_offset but maximum the total size of the object. |
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|
1765 int segfile_seek(iref_t seghead, int target_offset, |
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|
1766 iref_t *inode, int *inode_offset) |
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|
1767 { |
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|
1768 int priv_count = 0, count_size = 0; |
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|
1769 iref_t i = seghead; |
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|
1770 struct inode_s *ip; |
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|
1771 |
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|
1772 tw(tr(TR_BEGIN, TrObject, "segfile_seek(%d, %d, ?, ?) {\n", |
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|
1773 seghead, target_offset)); |
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|
1774 |
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|
1775 if (!is_object_valid(inode_addr(seghead))) { |
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|
1776 tw(tr(TR_END, TrAll, "FATAL: Invalid seghead!\n")); |
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|
1777 return 0; |
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|
1778 } |
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|
1779 *inode = seghead; |
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|
1780 |
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|
1781 while (1) |
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|
1782 { |
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|
1783 ip = inode_addr(i); |
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|
1784 count_size += segment_datasize(ip); |
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|
1785 |
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|
1786 // Seghead will be skiped if it don't contain any data |
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|
1787 if (count_size > target_offset && count_size != 0) { |
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|
1788 |
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|
1789 if (inode_offset != 0) |
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|
1790 *inode_offset = target_offset - priv_count; |
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|
1791 |
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|
1792 tw(tr(TR_END, TrObject, "} %d\n", target_offset)); |
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|
1793 return target_offset; |
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|
1794 } |
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|
1795 |
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|
1796 if ((i = segment_next(i)) == 0) { |
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diff
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|
1797 tw(tr(TR_END, TrObject, "} (eof!?) %d\n", count_size)); |
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diff
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|
1798 if (inode_offset != 0) |
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diff
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|
1799 *inode_offset = count_size - priv_count; |
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|
1800 // *inode = 0; |
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|
1801 return count_size; // No more segments |
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|
1802 } |
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|
1803 priv_count = count_size; |
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|
1804 |
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diff
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|
1805 *inode = i; |
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|
1806 } |
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|
1807 } |
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|
1808 |
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diff
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|
1809 // Calculate exact size of file data; without filename and null terminator |
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diff
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|
1810 // and without data null terminator and succeeding alignment padding. |
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|
1811 // NOTEME: Does this also work for empty files and directories? |
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|
1812 int segment_datasize(const struct inode_s *ip) |
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|
1813 { |
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|
1814 char *p, *q; |
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|
1815 int size; |
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|
1816 |
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|
1817 p = offset2addr(location2offset(ip->location)); |
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|
1818 q = p + ip->size - 1; |
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|
1819 |
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|
1820 // Segments is not allowed to contain any name |
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|
1821 if (!is_object(ip, OT_SEGMENT)) { |
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diff
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|
1822 // skip filename at start of data |
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Mychaela Falconia <falcon@freecalypso.org>
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diff
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|
1823 while (*p) |
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|
1824 p++; |
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|
1825 } |
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|
1826 else |
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|
1827 // If it contained a name would p pointe to the null terminator of |
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|
1828 // the name but because chunks don't have a name decrement we p to get |
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|
1829 // the size correct |
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|
1830 p--; |
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diff
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|
1831 |
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|
1832 // skip padding at end of data |
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|
1833 while (*q) |
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|
1834 q--; |
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|
1835 |
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|
1836 // If there are data, there is also a null-terminator. Otherwise |
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|
1837 // there is no null-terminator |
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|
1838 size = q - p; |
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|
1839 if (size > 0) |
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|
1840 size--; |
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|
1841 |
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|
1842 tw(tr(TR_FUNC, TrObject, "segment_datasize(0x%x) %d\n", ip, size)); |
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|
1843 return size; |
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|
1844 } |
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|
1845 |
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|
1846 |
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|
1847 int object_truncate(const char *pathname, fd_t fdi, offset_t length) |
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|
1848 { |
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|
1849 int segment_offset, flength, realsize, offset; |
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|
1850 iref_t i, dir, next_i; |
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|
1851 char *name = 0, *olddata; |
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diff
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|
1852 struct inode_s *oldip; |
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diff
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|
1853 effs_t error; |
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|
1854 |
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|
1855 tw(tr(TR_FUNC, TrObject, "ffs_object_truncate('%s', %d, %d) \n", |
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diff
changeset
|
1856 pathname, fdi, length)); |
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diff
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|
1857 if (length < 0) return EFFS_INVALID; |
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|
1858 |
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diff
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|
1859 if (pathname == 0) { |
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parents:
diff
changeset
|
1860 // File descriptor must be open and it have to be in write mode |
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|
1861 if (!is_fd_valid(fdi)) |
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diff
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|
1862 return EFFS_BADFD;; |
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|
1863 |
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diff
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|
1864 if (!is_open_option(fs.fd[fdi].options, FFS_O_WRONLY)) |
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|
1865 return EFFS_INVALID; |
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|
1866 |
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diff
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|
1867 // It is not possible to truncate an open file to a size less than |
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diff
changeset
|
1868 // the current file pointer |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1869 if (length < fs.fd[fdi].fp) |
945cf7f506b2
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1870 return EFFS_INVALID; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1871 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1872 i = fs.fd[fdi].seghead; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1873 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1874 else { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1875 // File must exists and not be open |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1876 if ((i = object_lookup(pathname, &name, &dir)) < 0) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1877 return i; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1878 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1879 if (get_fdi(i) >= 0) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1880 return EFFS_LOCKED; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1881 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1882 oldip = inode_addr(i); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1883 // Even though the ffs architecture allows to have data in directory |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1884 // objects, we don't want to complicate matters, so we return an error |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1885 if (is_object(oldip, OT_DIR) && !(fs.flags & FS_DIR_DATA)) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1886 return EFFS_NOTAFILE; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1887 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1888 if ((i = is_readonly(i, pathname)) < 0) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1889 return i; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1890 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1891 // Find the segment which length points in to |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1892 flength = segfile_seek(i, length, &i, &segment_offset); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1893 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1894 if (pathname == 0) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1895 if (is_offset_in_buf(length, fdi) == 1) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1896 fs.fd[fdi].size = (length > fs.fd[fdi].size ? |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1897 fs.fd[fdi].size : length); // Truncate the buffer |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1898 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1899 if (i == fs.fd[fdi].wch) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1900 next_i = segment_next(i); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1901 if (next_i > 0) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1902 if ((error = object_remove(next_i)) < 0) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1903 return error; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1904 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1905 return EFFS_OK; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1906 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1907 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1908 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1909 if (flength < length) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1910 return EFFS_OK; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1911 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1912 journal_begin(i); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1913 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1914 // Realsize do not always need to include a name but we simplify it. |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1915 realsize = atomalign(segment_offset + 1 + fs.filename_max + 1); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1916 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1917 // Make sure that there is enough space to make the rename without |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1918 // object_create() trigger a data_reclaim() (awoid relocate oldi/data |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1919 // source) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1920 if ((offset = data_prealloc(realsize)) <= 0) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1921 return EFFS_NOSPACE; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1922 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1923 // Find the next segment if any. |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1924 next_i = segment_next(fs.journal.oldi); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1925 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1926 // Find old data source |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1927 oldip = inode_addr(fs.journal.oldi); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1928 olddata = offset2addr(location2offset(oldip->location)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1929 name = addr2name(olddata); // reinit name (maybe relocated) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1930 olddata = addr2data(olddata, oldip); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1931 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1932 if (is_object(oldip, OT_SEGMENT)) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1933 if (segment_offset == 0) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1934 next_i = fs.journal.oldi; // Remove the found object |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1935 else { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1936 if ((i = segment_create(olddata, segment_offset, |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1937 -fs.journal.oldi)) < 0) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1938 return i; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1939 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1940 fs.link_child = 0; //Do not link child |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1941 journal_end(0); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1942 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1943 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1944 else { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1945 if ((i = object_create(name, olddata, length, fs.journal.oldi)) < 0) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1946 return i; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1947 fs.link_child = 0; //Do not link child |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1948 journal_end(0); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1949 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1950 if (is_fd_valid(fdi)) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1951 fs.fd[fdi].seghead = i; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1952 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1953 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1954 if (is_fd_valid(fdi)) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1955 fs.fd[fdi].size = length; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1956 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1957 // If any remaning segment exists then remove them |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1958 if (next_i > 0) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1959 if ((error = object_remove(next_i)) < 0) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1960 return error; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1961 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1962 return EFFS_OK; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1963 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1964 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1965 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1966 // Find the last segment valid or not valid |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1967 iref_t chunk_traverse(iref_t i) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1968 { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1969 struct inode_s *ip = inode_addr(i); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1970 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1971 tw(tr(TR_BEGIN, TrDirHigh, "ffs_chunk_traverse(%d) {\n", i)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1972 // Is this the last/only segment? |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1973 if (ip->child == (iref_t) IREF_NULL) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1974 tw(tr(TR_END, TrDirHigh, "} %d\n", i)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1975 return i; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1976 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1977 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1978 // Get child, find the last segment by sibling link, and again.. |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1979 do { |
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parents:
diff
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|
1980 i = ip->child; |
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parents:
diff
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|
1981 ip = inode_addr(i); |
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parents:
diff
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|
1982 |
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parents:
diff
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|
1983 while (ip->sibling != (iref_t) IREF_NULL) { |
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parents:
diff
changeset
|
1984 i = ip->sibling; |
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parents:
diff
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|
1985 ip = inode_addr(i); |
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parents:
diff
changeset
|
1986 } |
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parents:
diff
changeset
|
1987 } while (ip->child != (iref_t) IREF_NULL); |
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parents:
diff
changeset
|
1988 |
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parents:
diff
changeset
|
1989 tw(tr(TR_END, TrDirHigh, "} %d\n", i)); |
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parents:
diff
changeset
|
1990 |
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parents:
diff
changeset
|
1991 return i; |
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parents:
diff
changeset
|
1992 } |
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parents:
diff
changeset
|
1993 |
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parents:
diff
changeset
|
1994 // fdi include offset now but change this so core use pure fdi. |
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parents:
diff
changeset
|
1995 effs_t datasync(fd_t fdi) |
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parents:
diff
changeset
|
1996 { |
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parents:
diff
changeset
|
1997 int chunk_size; |
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parents:
diff
changeset
|
1998 iref_t i; |
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parents:
diff
changeset
|
1999 struct inode_s *ip; |
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parents:
diff
changeset
|
2000 char *name; |
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parents:
diff
changeset
|
2001 |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2002 tw(tr(TR_FUNC, TrObject, "datasync(%d) \n", fdi)); |
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src/cs: chipsetsw import from tcs211-fcmodem
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parents:
diff
changeset
|
2003 ttw(ttr(TTrApi, "datasync(%d) {" NL, fdi)); |
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parents:
diff
changeset
|
2004 |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2005 // NOTEME: is this necessary? |
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parents:
diff
changeset
|
2006 if (!is_fd_valid(fdi)) |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2007 return EFFS_BADFD; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2008 |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2009 if (fs.fd[fdi].dirty == 0) |
945cf7f506b2
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2010 return EFFS_OK; |
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src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2011 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2012 // If size - wfp is more than max is the complete buffer valid or else |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2013 // is it only a part of it that consist valid data |
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src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2014 chunk_size = fs.fd[fdi].size - fs.fd[fdi].wfp; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2015 if (chunk_size > fs.chunk_size_max) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2016 chunk_size = fs.chunk_size_max; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2017 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2018 ip = inode_addr(fs.fd[fdi].wch); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2019 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2020 // Create new chunk or update a old one |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2021 if (fs.fd[fdi].wch > 0) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2022 // Update existing chunk |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2023 // Negativ dir input because it is a update (do not traverse) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2024 if (is_object(ip, OT_SEGMENT)) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2025 journal_begin(fs.fd[fdi].wch); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2026 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2027 if ((i = segment_create(fs.fd[fdi].buf, chunk_size, |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2028 -fs.fd[fdi].wch)) < 0) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2029 return i; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2030 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2031 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2032 else { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2033 // Seghead update (like a normal file) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2034 ip = inode_addr(fs.fd[fdi].seghead); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2035 name = addr2name(offset2addr(location2offset(ip->location))); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2036 journal_begin(fs.fd[fdi].seghead); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2037 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2038 if ((i = object_create(name, fs.fd[fdi].buf, chunk_size, |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2039 fs.fd[fdi].seghead)) < 0) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2040 return i; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2041 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2042 fs.fd[fdi].seghead = i; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2043 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2044 journal_end(0); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2045 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2046 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2047 else { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2048 // Create new chunk at the end of the existing ones. |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2049 // BTW: A seghead will always have been made before this one. |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2050 journal_begin(0); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2051 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2052 if ((i = segment_create(fs.fd[fdi].buf, chunk_size, |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2053 fs.fd[fdi].seghead)) < 0) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2054 return i; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2055 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2056 journal_end(OT_SEGMENT); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2057 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2058 fs.fd[fdi].dirty = fs.fd[fdi].wch = 0; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2059 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2060 ttw(ttr(TTrApi, "} 0" NL)); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2061 return EFFS_OK; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2062 } |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2063 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2064 /****************************************************************************** |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2065 * Development and Tracing |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2066 ******************************************************************************/ |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2067 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2068 #if (TARGET == 0) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2069 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2070 void tr_bstat(void) |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2071 { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2072 int i, n; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2073 struct block_header_s *bhp; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2074 struct block_stat_s *bsp; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2075 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2076 tw(tr(TR_BEGIN, TrBstat, "bstat = {\n")); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2077 |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2078 bsp = &bstat[0]; |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2079 tw(tr(TR_FUNC, TrBstat, |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2080 " bf used lost free n age state\n")); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2081 for (i = 0, n = 0; i < dev.numblocks; i++, bsp++) { |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2082 bhp = (struct block_header_s *) offset2addr(dev.binfo[i].offset); |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2083 tw(tr(TR_FUNC, TrBstat, "%2d %02x %6d %6d %6d %3d %5d %s%s%s%s%s%s\n", |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2084 i, bsp->flags & 0xFF, |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2085 bsp->used, bsp->lost, |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2086 dev.blocksize - bsp->used, |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2087 bsp->objects, |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2088 bhp->age, |
945cf7f506b2
src/cs: chipsetsw import from tcs211-fcmodem
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2089 (is_block(i, BF_IS_FREE) ? "FREE " : ""), |
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2090 (is_block(i, BF_IS_DATA) ? "DATA " : ""), |
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2091 (is_block(i, BF_IS_CLEANING) ? "CLEANING " : ""), |
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2092 (is_block(i, BF_IS_COPYING) ? "COPYING " : ""), |
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2093 (is_block(i, BF_IS_INODES) ? "INODES " : ""), |
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2094 (is_block_flag(i, BF_LOST) ? "lost " : "") |
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2095 )); |
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2096 if (is_block(i, BF_IS_DATA)) |
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2097 n += bsp->objects; |
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2098 } |
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2099 i = bstat[fs.inodes].used - bstat[fs.inodes].lost; |
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2100 tw(tr(TR_FUNC, TrBstat, |
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2101 " %3d (used-lost = %d)\n", |
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2102 n, i)); |
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2103 |
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2104 if (n != i) { |
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2105 tw(tr(TR_FUNC, TrAll, "WARNING: sum(bstat[x].objects) != bstat[fs.inodes].used - bstat[fs.inodes].lost\n")); |
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2106 } |
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2107 |
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2108 tw(tr(TR_END, TrBstat, "}\n")); |
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2109 } |
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2110 |
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2111 #else // (TARGET == 1) |
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2112 |
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2113 void tr_bstat(void) |
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2114 { |
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2115 int i; |
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2116 struct block_stat_s *bsp = &bstat[0]; |
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2117 |
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2118 for (i = 0; i < dev.numblocks; i++, bsp++) { |
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2119 ttw(ttr(TTrBstat, "%2d (%2x) u/l/f/n %6d %6d %6d %2d" NL, |
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2120 i, bsp->flags, |
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2121 bsp->used, bsp->lost, |
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2122 dev.blocksize - bsp->used, |
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2123 bsp->objects |
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2124 )); |
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2125 } |
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2126 ttw(str(TTrBstat,"" NL)); |
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2127 } |
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2128 |
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2129 |
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2130 void tr_fd(fd_t fdi) |
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2131 { |
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2132 tw(tr(TR_BEGIN, TrHelper, "tr_fd(%d) {\n", fdi)); |
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2133 tw(tr(TR_FUNC, TrHelper, "options: 0x%x \n", fd[fdi].options)); |
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2134 tw(tr(TR_FUNC, TrHelper, "inode : %d \n", fd[fdi].inode_first)); |
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2135 tw(tr(TR_FUNC, TrHelper, "fp : %d \n", fd[fdi].fp)); |
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2136 tw(tr(TR_FUNC, TrHelper, "size : %d \n", fd[fdi].size)); |
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2137 tw(tr(TR_FUNC, TrHelper, "dir : %d \n", fd[fdi].dir)); |
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2138 tw(tr(TR_FUNC, TrHelper, "name : %s \n", fd[fdi].name)); |
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2139 tw(tr(TR_END, TrHelper, "}\n", fdi)); |
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2140 } |
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2141 |
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2142 #endif // (TARGET == 0) |