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IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS IOCTL (winioctl.h)

Retrieves the physical location of a specified volume on one or more disks.

To perform this operation, call the DeviceIoControl function with the following parameters.

BOOL DeviceIoControl(
  (HANDLE) hDevice,                     // handle to device
  IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS, // dwIoControlCode
  NULL,                                 // lpInBuffer
  0,                                    // nInBufferSize
  (LPVOID) lpOutBuffer,                 // output buffer
  (DWORD) nOutBufferSize,               // size of output buffer
  (LPDWORD) lpBytesReturned,            // number of bytes returned
  (LPOVERLAPPED) lpOverlapped           // OVERLAPPED structure
);

Remarks

In Windows 8 and Windows Server 2012, this code is supported by the following technologies.

Technology Supported
Server Message Block (SMB) 3.0 protocol No
SMB 3.0 Transparent Failover (TFO) No
SMB 3.0 with Scale-out File Shares (SO) No
Cluster Shared Volume File System (CsvFS) Yes

Requirements

Requirement Value
Minimum supported client Windows XP [desktop apps only]
Minimum supported server Windows Server 2003 [desktop apps only]
Header winioctl.h (include Windows.h)

See also