FILE_QUERY_SPARING_BUFFER structure (winioctl.h)
Contains defect management properties.
Syntax
typedef struct _FILE_QUERY_SPARING_BUFFER {
DWORD SparingUnitBytes;
BOOLEAN SoftwareSparing;
DWORD TotalSpareBlocks;
DWORD FreeSpareBlocks;
} FILE_QUERY_SPARING_BUFFER, *PFILE_QUERY_SPARING_BUFFER;
Members
SparingUnitBytes
The size of a sparing packet and the underlying error check and correction (ECC) block size of the volume.
SoftwareSparing
If TRUE, indicates that sparing behavior is software-based; if FALSE, it is hardware-based.
TotalSpareBlocks
The total number of blocks allocated for sparing.
FreeSpareBlocks
The number of blocks available for sparing.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows Vista [desktop apps only] |
| Minimum supported server | Windows Server 2008 [desktop apps only] |
| Header | winioctl.h (include Windows.h) |