4 // Description: Class to handle low-level disk I/O for GPT fdisk
88    // Close the disk, in case it's already open for reading only....  in OpenForWrite()
113 // Close the disk device. Note that this does NOT erase the stored filenames,
125 // returns an error condition, assume it's a disk file and return a value of
126 // SECTOR_SIZE (512). If the disk can't be opened at all, return a value of 0.
131    // If disk isn't open, try to open it....  in GetBlockSize()
167 // Resync disk caches so the OS uses the new partition table. This code varies
175    // If disk isn't open, try to open it....  in DiskSync()
182          cout << "Disk synchronization failed! The computer may use the old partition table\n"  in DiskSync()
183               << "until you reboot or remove and re-insert the disk!\n";  in DiskSync()
185          cout << "Disk synchronization succeeded! The computer should now use the new\n"  in DiskSync()
190       cout << "Unable to open the disk for synchronization operation! The computer will\n"  in DiskSync()
192            << "re-insert the disk!\n";  in DiskSync()
202    // If disk isn't open, try to open it....  in Seek()
228    // If disk isn't open, try to open it....  in Read()
272    // If disk isn't open, try to open it....  in Write()
312 // Returns the size of the disk in blocks.
319    // If disk isn't open, try to open it....  in DiskSize()
333       } else { // doesn't seem to be a disk device; assume it's an image file....  in DiskSize()