STARTING_LCN_INPUT_BUFFER_EX structure (ntifs.h)

The STARTING_LCN_INPUT_BUFFER_EX structure contains the starting logical cluster number (LCN) for the FSCTL_GET_VOLUME_BITMAP control code.

Syntax

typedef struct {
  LARGE_INTEGER StartingLcn;
  ULONG         Flags;
} STARTING_LCN_INPUT_BUFFER_EX, *PSTARTING_LCN_INPUT_BUFFER_EX;

Members

StartingLcn

The LCN from which the operation should start when describing a bitmap. This member will be rounded down to a file-system-dependent rounding boundary, and that value will be returned. Its value should be an integral multiple of eight.

Flags

Set of flags that modify the behavior of the bitmap retrieval operation. The following flag is defined.

Flag Description
GET_VOLUME_BITMAP_FLAG_MASK_METADATA (0x00000001) When set, indicates that the operation should include metadata in the volume bitmap.

Requirements

Requirement Value
Minimum supported client Windows XP
Header ntifs.h

See also

FSCTL_GET_VOLUME_BITMAP