APUE File System Create Directory

APURE_FS_Create_dir.gz

digraph G {

 
  CG [
   shape=plaintext
   label=<
    <table border='0' cellborder='1' cellspacing='0'>
        <tr>
            <td>CG</td>
            <td>...</td>
            <td port='one'>i-nodes</td>
            <td>...</td>
            <td port='two'>dir block</td>
            <td>...</td>
            <td port='three'>dir block</td>
            <td>...</td>
        </tr>
    </table>
  >];
  
  
  INodes [
   shape=plaintext
   label=<
    <table border='0' cellborder='1' cellspacing='0'>
        <tr>
            <td>i-node array</td>
            <td>i-node 0</td>
            <td>...</td>
            <td port="one">i-node 1267</td>
            <td>...</td>
            <td port="two">i-node 2549</td>
            <td>...</td>
        </tr>
    </table>
  >];
  
  NewDirBlock [
   shape=plaintext
   label=<
    <table border='0' cellborder='1' cellspacing='0'>
        <tr>
            <td port="one">2549</td>
            <td>.</td>
        </tr>
        <tr>
            <td port="two">1267</td>
            <td>..</td>
        </tr>
    </table>
  >];
  
  DirBlock [
   shape=plaintext
   label=<
    <table border='0' cellborder='1' cellspacing='0'>
        <tr>
            <td port="one">1267</td>
            <td>.</td>
        </tr>
        <tr>
            <td port="two">i-node number</td>
            <td>..</td>
        </tr>
        <tr>
            <td></td>
            <td></td>
        </tr>
        <tr>
            <td port="three">2549</td>
            <td>test dir</td>
        </tr>
        <tr>
            <td></td>
            <td></td>
        </tr>
    </table>
  >];
  
  CG:one -> INodes;
  CG:one:s -> INodes;
  CG:two:s -> NewDirBlock:n;
  CG:three -> DirBlock;
  
  INodes:one -> CG:three;
  INodes:two -> CG:two;
  
  INodes -> DirBlock [style=invis];
  INodes -> NewDirBlock [style=invis];
  CG -> DirBlock [style=invis];
  
  DirBlock:one -> INodes:one
  DirBlock:three -> INodes:two
  
  NewDirBlock:one -> INodes:two:n;
  NewDirBlock:two -> INodes:one;
  
  
  
  {rank=same; INodes; NewDirBlock}
}