+ //\r
+ // According the Windows requirement, first need to lock the volume before \r
+ // write to it.\r
+ //\r
+ if (Private->DeviceType == EfiWinNtPhysicalDisks) {\r
+ Locked = Private->WinNtThunk->DeviceIoControl (Private->NtHandle, FSCTL_LOCK_VOLUME, NULL, 0, NULL, 0, &BytesReturned, NULL);\r
+ if (Locked == 0) {\r
+ DEBUG ((EFI_D_INIT, "ReadBlocks: Lock volume failed. (%d)\n", Private->WinNtThunk->GetLastError ()));\r
+ Status = WinNtBlockIoError (Private);\r
+ goto Done;\r
+ }\r
+ } else {\r
+ Locked = 0;\r
+ }\r