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USN_RECORD_EXTENT structure (winioctl.h)

  • Article

Contains the offset and length for an update sequence number (USN) record extent.

Syntax

typedef struct {
  LONGLONG Offset;
  LONGLONG Length;
} USN_RECORD_EXTENT, *PUSN_RECORD_EXTENT;

Members

Offset

The offset of the extent, in bytes.

Length

The length of the extent, in bytes.

Requirements

Requirement Value
Minimum supported client Windows 8.1 [desktop apps only]
Minimum supported server Windows Server 2012 R2 [desktop apps only]
Header winioctl.h (include Windows.h)

See also

USN_RECORD_V4 structure

Volume Management Structures