iso_copy_out_to_desktop.pl "sdb1:\sdb3\lindows\src_exe_mfc_dsp_iso1.iso\\6_文件系统\\ext2fsd\\ext2fsd-0.39.src.chm"
最主要的就是对于 一些文件系统的 函数的注册.

ext2fsd/init.c
driverentry (
    ext2queryglobalparameters(registrypath);
      iocreatedevice( driverobject, 0, &devicename, file_device_disk_file_system,
    ext2startreaperthread();

/* initializing */
    ext2global->diskdevobject  = diskdevobject;
    ext2global->cdromdevobject = cdromdevobject;

#文件系统的函数的注册.
    driverobject->majorfunction[irp_mj_create]              = ext2buildrequest;
    driverobject->majorfunction[irp_mj_close]               = ext2buildrequest;
    driverobject->majorfunction[irp_mj_read]                = ext2buildrequest;
    driverobject->majorfunction[irp_mj_write]               = ext2buildrequest;

driverobject->majorfunction[irp_mj_flush_buffers]       = ext2buildrequest;
    driverobject->majorfunction[irp_mj_shutdown]            = ext2buildrequest;

driverobject->majorfunction[irp_mj_query_information]   = ext2buildrequest;
    driverobject->majorfunction[irp_mj_set_information]     = ext2buildrequest;

driverobject->majorfunction[irp_mj_query_volume_information]    = ext2buildrequest;
    driverobject->majorfunction[irp_mj_set_volume_information]      = ext2buildrequest;

driverobject->majorfunction[irp_mj_directory_control]   = ext2buildrequest;
    driverobject->majorfunction[irp_mj_file_system_control] = ext2buildrequest;
    driverobject->majorfunction[irp_mj_device_control]      = ext2buildrequest;
    driverobject->majorfunction[irp_mj_lock_control]        = ext2buildrequest;

driverobject->majorfunction[irp_mj_cleanup]             = ext2buildrequest;

#if (_win32_winnt >= 0x0500)
    driverobject->majorfunction[irp_mj_pnp]                 = ext2buildrequest;
#endif //(_win32_winnt >= 0x0500)