ref: e82f565015fd0b75085d8d2a4f1aaca53e875f64
dir: /tests/test.2/notes/
Creates a disk of 40 blocks. Unmarked blocks are blank. Write to a /file1 and update the file using different offsets. Check that the contents match after each addition. block - description 0 - magic 1 - config 2 - super block 3 - / direntry 4 - /adm/ dir entry 5 - /adm/config dir entry 6 - /adm/super dir entry 7 - /adm/users dir entry 8 - /adm/users contents 9 - /adm/bkp/ dir entry 10 - /adm/bkp/config.0 dir entry 11 - /adm/bkp/super.0 dir entry 12 - /adm/bkp/root.0 dir entry 13 - /adm/bkp/config.1 dir entry 14 - /adm/bkp/super.1 dir entry 15 - /adm/bkp/root.1 dir entry 16 - /adm/ctl dir entry -- virtual file, empty contents 17 - /adm/frees dir entry 18 - /file1 blank dentry as /file1 was deleted but / still holds onto the dentry 19 - /adm/frees contents 20 21 22 23 24 25 26 - / direntry 27 - super block 28 - config 29 30 31 32 33 34 35 36 37 - / direntry 38 - super block 39 - config