FSCTL_GET_REPARSE_POINT IOCTL

Retrieves the reparse point data associated with the file or directory identified by the specified handle.

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

C++
BOOL DeviceIoControl(
  (HANDLE) hDevice,            // handle to file or directory
  FSCTL_GET_REPARSE_POINT,     // dwIoControlCodeNULL,                        // lpInBuffer0,                           // nInBufferSize(LPVOID) lpOutBuffer,        // output buffer
  (DWORD) nOutBufferSize,      // size of output buffer
  (LPDWORD) lpBytesReturned,   // number of bytes returned
  (LPOVERLAPPED) lpOverlapped  // OVERLAPPED structure
);

Major Code

IRP_MJ_DEVICE_CONTROL

Input Buffer

Input Buffer Length

Output Buffer

Output Buffer Length

Input / Output Buffer

Input / Output Buffer Length

Status Block

Irp->IoStatus.Status is set to STATUS_SUCCESS if the request is successful.

Otherwise, Status to the appropriate error condition as a NTSTATUS code.

For more information, see NTSTATUS Values.

Remarks

For the implications of overlapped I/O on this operation, see the Remarks section of DeviceIoControl.

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

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

CsvFs does not support reparse points.

Requirements

   
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

CreateFile

DeviceIoControl

FSCTL_DELETE_REPARSE_POINT

FSCTL_SET_REPARSE_POINT

REPARSE_GUID_DATA_BUFFER

Reparse Points