enum {
  kHFSVolumeHardwareLockBit     = 7,   
  kHFSVolumeUnmountedBit        = 8,   
  kHFSVolumeSparedBlocksBit     = 9, 
  kHFSVolumeNoCacheRequiredBit  = 10,  
  kHFSBootVolumeInconsistentBit = 11,   
  kHFSVolumeSoftwareLockBit     = 15,   
  kHFSVolumeHardwareLockMask    = 1 << kHFSVolumeHardwareLockBit,
  kHFSVolumeUnmountedMask       = 1 << kHFSVolumeUnmountedBit,
  kHFSVolumeSparedBlocksMask    = 1 << kHFSVolumeSparedBlocksBit,
  kHFSVolumeNoCacheRequiredMask = 1 << kHFSVolumeNoCacheRequiredBit,
  kHFSBootVolumeInconsistentMask = 1 << kHFSBootVolumeInconsistentBit,
  kHFSVolumeSoftwareLockMask    = 1 << kHFSVolumeSoftwareLockBit,
  kHFSMDBAttributesMask         = 0x8380
};
