fsctl.h: FSP_FSCTL_VOLUME_INFO changes

This commit is contained in:
Bill Zissimopoulos 2016-01-25 18:17:54 -08:00
parent a01e119ec3
commit a889451345
3 changed files with 14 additions and 11 deletions

View File

@ -46,8 +46,8 @@ extern const __declspec(selectany) GUID FspFsvrtDeviceClassGuid =
/* volume/file metadata */
typedef struct
{
UINT64 TotalAllocationUnits;
UINT64 AvailableAllocationUnits;
UINT64 TotalSize;
UINT64 FreeSize;
UINT64 VolumeCreationTime;
UINT16 VolumeLabelLength;
WCHAR VolumeLabel[32];

View File

@ -123,10 +123,12 @@ static NTSTATUS FspFsvolQueryFsFullSizeInformation(
FSP_FSVOL_DEVICE_EXTENSION *FsvolDeviceExtension = FspFsvolDeviceExtension(FsvolDeviceObject);
PFILE_FS_FULL_SIZE_INFORMATION Info = (PFILE_FS_FULL_SIZE_INFORMATION)*PBuffer;
UINT64 AllocationUnit = FsvolDeviceExtension->VolumeParams.SectorSize *
FsvolDeviceExtension->VolumeParams.SectorsPerAllocationUnit;
Info->TotalAllocationUnits.QuadPart = VolumeInfo->TotalAllocationUnits;
Info->CallerAvailableAllocationUnits.QuadPart = VolumeInfo->AvailableAllocationUnits;
Info->ActualAvailableAllocationUnits.QuadPart = VolumeInfo->AvailableAllocationUnits;
Info->TotalAllocationUnits.QuadPart = VolumeInfo->TotalSize / AllocationUnit;
Info->CallerAvailableAllocationUnits.QuadPart =
Info->ActualAvailableAllocationUnits.QuadPart = VolumeInfo->FreeSize / AllocationUnit;
Info->SectorsPerAllocationUnit = FsvolDeviceExtension->VolumeParams.SectorsPerAllocationUnit;
Info->BytesPerSector = FsvolDeviceExtension->VolumeParams.SectorSize;
@ -148,9 +150,11 @@ static NTSTATUS FspFsvolQueryFsSizeInformation(
FSP_FSVOL_DEVICE_EXTENSION *FsvolDeviceExtension = FspFsvolDeviceExtension(FsvolDeviceObject);
PFILE_FS_SIZE_INFORMATION Info = (PFILE_FS_SIZE_INFORMATION)*PBuffer;
UINT64 AllocationUnit = FsvolDeviceExtension->VolumeParams.SectorSize *
FsvolDeviceExtension->VolumeParams.SectorsPerAllocationUnit;
Info->TotalAllocationUnits.QuadPart = VolumeInfo->TotalAllocationUnits;
Info->AvailableAllocationUnits.QuadPart = VolumeInfo->AvailableAllocationUnits;
Info->TotalAllocationUnits.QuadPart = VolumeInfo->TotalSize / AllocationUnit;
Info->AvailableAllocationUnits.QuadPart = VolumeInfo->FreeSize / AllocationUnit;
Info->SectorsPerAllocationUnit = FsvolDeviceExtension->VolumeParams.SectorsPerAllocationUnit;
Info->BytesPerSector = FsvolDeviceExtension->VolumeParams.SectorSize;

View File

@ -194,15 +194,14 @@ static NTSTATUS GetVolumeInfo(FSP_FILE_SYSTEM *FileSystem,
{
MEMFS *Memfs = (MEMFS *)FileSystem->UserContext;
MEMFS_FILE_NODE *RootNode;
ULONG AllocationUnits = Memfs->MaxFileSize / (MEMFS_SECTOR_SIZE * MEMFS_SECTORS_PER_ALLOCATION_UNIT);
RootNode = MemfsFileNodeMapGet(Memfs->FileNodeMap, L"");
if (0 == RootNode)
return STATUS_DISK_CORRUPT_ERROR;
VolumeInfo->TotalAllocationUnits = Memfs->MaxFileNodes * AllocationUnits;
VolumeInfo->AvailableAllocationUnits =
(Memfs->MaxFileNodes - MemfsFileNodeMapCount(Memfs->FileNodeMap)) * AllocationUnits;
VolumeInfo->TotalSize = Memfs->MaxFileNodes * Memfs->MaxFileSize;
VolumeInfo->FreeSize =
(Memfs->MaxFileNodes - MemfsFileNodeMapCount(Memfs->FileNodeMap)) * Memfs->MaxFileSize;
VolumeInfo->VolumeCreationTime = RootNode->FileInfo.CreationTime;
VolumeInfo->VolumeLabelLength = sizeof L"MEMFS" - sizeof(WCHAR);
memcpy(VolumeInfo->VolumeLabel, L"MEMFS", VolumeInfo->VolumeLabelLength);