#include "vfat.h"
#include <debug.h>

Include dependency graph for fastio.c:

Macros
#define	NDEBUG

Functions
static BOOLEAN NTAPI	VfatFastIoCheckIfPossible (IN PFILE_OBJECT FileObject, IN PLARGE_INTEGER FileOffset, IN ULONG Length, IN BOOLEAN Wait, IN ULONG LockKey, IN BOOLEAN CheckForReadOperation, OUT PIO_STATUS_BLOCK IoStatus, IN PDEVICE_OBJECT DeviceObject)

static BOOLEAN NTAPI	VfatFastIoRead (IN PFILE_OBJECT FileObject, IN PLARGE_INTEGER FileOffset, IN ULONG Length, IN BOOLEAN Wait, IN ULONG LockKey, OUT PVOID Buffer, OUT PIO_STATUS_BLOCK IoStatus, IN PDEVICE_OBJECT DeviceObject)

static BOOLEAN NTAPI	VfatFastIoWrite (IN PFILE_OBJECT FileObject, IN PLARGE_INTEGER FileOffset, IN ULONG Length, IN BOOLEAN Wait, IN ULONG LockKey, OUT PVOID Buffer, OUT PIO_STATUS_BLOCK IoStatus, IN PDEVICE_OBJECT DeviceObject)

static BOOLEAN NTAPI	VfatFastIoQueryBasicInfo (IN PFILE_OBJECT FileObject, IN BOOLEAN Wait, OUT PFILE_BASIC_INFORMATION Buffer, OUT PIO_STATUS_BLOCK IoStatus, IN PDEVICE_OBJECT DeviceObject)

static BOOLEAN NTAPI	VfatFastIoQueryStandardInfo (IN PFILE_OBJECT FileObject, IN BOOLEAN Wait, OUT PFILE_STANDARD_INFORMATION Buffer, OUT PIO_STATUS_BLOCK IoStatus, IN PDEVICE_OBJECT DeviceObject)

static BOOLEAN NTAPI	VfatFastIoLock (IN PFILE_OBJECT FileObject, IN PLARGE_INTEGER FileOffset, IN PLARGE_INTEGER Length, PEPROCESS ProcessId, ULONG Key, BOOLEAN FailImmediately, BOOLEAN ExclusiveLock, OUT PIO_STATUS_BLOCK IoStatus, IN PDEVICE_OBJECT DeviceObject)

static BOOLEAN NTAPI	VfatFastIoUnlockSingle (IN PFILE_OBJECT FileObject, IN PLARGE_INTEGER FileOffset, IN PLARGE_INTEGER Length, PEPROCESS ProcessId, ULONG Key, OUT PIO_STATUS_BLOCK IoStatus, IN PDEVICE_OBJECT DeviceObject)

static BOOLEAN NTAPI	VfatFastIoUnlockAll (IN PFILE_OBJECT FileObject, PEPROCESS ProcessId, OUT PIO_STATUS_BLOCK IoStatus, IN PDEVICE_OBJECT DeviceObject)

static BOOLEAN NTAPI	VfatFastIoUnlockAllByKey (IN PFILE_OBJECT FileObject, PVOID ProcessId, ULONG Key, OUT PIO_STATUS_BLOCK IoStatus, IN PDEVICE_OBJECT DeviceObject)

static BOOLEAN NTAPI	VfatFastIoDeviceControl (IN PFILE_OBJECT FileObject, IN BOOLEAN Wait, IN PVOID InputBuffer OPTIONAL, IN ULONG InputBufferLength, OUT PVOID OutputBuffer OPTIONAL, IN ULONG OutputBufferLength, IN ULONG IoControlCode, OUT PIO_STATUS_BLOCK IoStatus, IN PDEVICE_OBJECT DeviceObject)

static VOID NTAPI	VfatAcquireFileForNtCreateSection (IN PFILE_OBJECT FileObject)

static VOID NTAPI	VfatReleaseFileForNtCreateSection (IN PFILE_OBJECT FileObject)

static VOID NTAPI	VfatFastIoDetachDevice (IN PDEVICE_OBJECT SourceDevice, IN PDEVICE_OBJECT TargetDevice)

static BOOLEAN NTAPI	VfatFastIoQueryNetworkOpenInfo (IN PFILE_OBJECT FileObject, IN BOOLEAN Wait, OUT PFILE_NETWORK_OPEN_INFORMATION Buffer, OUT PIO_STATUS_BLOCK IoStatus, IN PDEVICE_OBJECT DeviceObject)

static NTSTATUS NTAPI	VfatAcquireForModWrite (IN PFILE_OBJECT FileObject, IN PLARGE_INTEGER EndingOffset, OUT PERESOURCE *ResourceToRelease, IN PDEVICE_OBJECT DeviceObject)

static BOOLEAN NTAPI	VfatMdlRead (IN PFILE_OBJECT FileObject, IN PLARGE_INTEGER FileOffset, IN ULONG Length, IN ULONG LockKey, OUT PMDL *MdlChain, OUT PIO_STATUS_BLOCK IoStatus, IN PDEVICE_OBJECT DeviceObject)

static BOOLEAN NTAPI	VfatMdlReadComplete (IN PFILE_OBJECT FileObject, IN PMDL MdlChain, IN PDEVICE_OBJECT DeviceObject)

static BOOLEAN NTAPI	VfatPrepareMdlWrite (IN PFILE_OBJECT FileObject, IN PLARGE_INTEGER FileOffset, IN ULONG Length, IN ULONG LockKey, OUT PMDL *MdlChain, OUT PIO_STATUS_BLOCK IoStatus, IN PDEVICE_OBJECT DeviceObject)

static BOOLEAN NTAPI	VfatMdlWriteComplete (IN PFILE_OBJECT FileObject, IN PLARGE_INTEGER FileOffset, IN PMDL MdlChain, IN PDEVICE_OBJECT DeviceObject)

static BOOLEAN NTAPI	VfatFastIoReadCompressed (IN PFILE_OBJECT FileObject, IN PLARGE_INTEGER FileOffset, IN ULONG Length, IN ULONG LockKey, OUT PVOID Buffer, OUT PMDL *MdlChain, OUT PIO_STATUS_BLOCK IoStatus, OUT PCOMPRESSED_DATA_INFO CompressedDataInfo, IN ULONG CompressedDataInfoLength, IN PDEVICE_OBJECT DeviceObject)

static BOOLEAN NTAPI	VfatFastIoWriteCompressed (IN PFILE_OBJECT FileObject, IN PLARGE_INTEGER FileOffset, IN ULONG Length, IN ULONG LockKey, IN PVOID Buffer, OUT PMDL *MdlChain, OUT PIO_STATUS_BLOCK IoStatus, IN PCOMPRESSED_DATA_INFO CompressedDataInfo, IN ULONG CompressedDataInfoLength, IN PDEVICE_OBJECT DeviceObject)

static BOOLEAN NTAPI	VfatMdlReadCompleteCompressed (IN PFILE_OBJECT FileObject, IN PMDL MdlChain, IN PDEVICE_OBJECT DeviceObject)

static BOOLEAN NTAPI	VfatMdlWriteCompleteCompressed (IN PFILE_OBJECT FileObject, IN PLARGE_INTEGER FileOffset, IN PMDL MdlChain, IN PDEVICE_OBJECT DeviceObject)

static BOOLEAN NTAPI	VfatFastIoQueryOpen (IN PIRP Irp, OUT PFILE_NETWORK_OPEN_INFORMATION NetworkInformation, IN PDEVICE_OBJECT DeviceObject)

static NTSTATUS NTAPI	VfatReleaseForModWrite (IN PFILE_OBJECT FileObject, IN PERESOURCE ResourceToRelease, IN PDEVICE_OBJECT DeviceObject)

static NTSTATUS NTAPI	VfatAcquireForCcFlush (IN PFILE_OBJECT FileObject, IN PDEVICE_OBJECT DeviceObject)

static NTSTATUS NTAPI	VfatReleaseForCcFlush (IN PFILE_OBJECT FileObject, IN PDEVICE_OBJECT DeviceObject)

BOOLEAN NTAPI	VfatAcquireForLazyWrite (IN PVOID Context, IN BOOLEAN Wait)

VOID NTAPI	VfatReleaseFromLazyWrite (IN PVOID Context)

VOID	VfatInitFastIoRoutines (PFAST_IO_DISPATCH FastIoDispatch)

Variables
static FAST_IO_CHECK_IF_POSSIBLE	VfatFastIoCheckIfPossible

static FAST_IO_READ	VfatFastIoRead

static FAST_IO_WRITE	VfatFastIoWrite

static FAST_IO_QUERY_BASIC_INFO	VfatFastIoQueryBasicInfo

static FAST_IO_QUERY_STANDARD_INFO	VfatFastIoQueryStandardInfo

static FAST_IO_LOCK	VfatFastIoLock

static FAST_IO_UNLOCK_SINGLE	VfatFastIoUnlockSingle

static FAST_IO_UNLOCK_ALL	VfatFastIoUnlockAll

static FAST_IO_UNLOCK_ALL_BY_KEY	VfatFastIoUnlockAllByKey

static FAST_IO_DEVICE_CONTROL	VfatFastIoDeviceControl

static FAST_IO_ACQUIRE_FILE	VfatAcquireFileForNtCreateSection

static FAST_IO_RELEASE_FILE	VfatReleaseFileForNtCreateSection

static FAST_IO_DETACH_DEVICE	VfatFastIoDetachDevice

static FAST_IO_QUERY_NETWORK_OPEN_INFO	VfatFastIoQueryNetworkOpenInfo

static FAST_IO_ACQUIRE_FOR_MOD_WRITE	VfatAcquireForModWrite

static FAST_IO_MDL_READ	VfatMdlRead

static FAST_IO_MDL_READ_COMPLETE	VfatMdlReadComplete

static FAST_IO_PREPARE_MDL_WRITE	VfatPrepareMdlWrite

static FAST_IO_MDL_WRITE_COMPLETE	VfatMdlWriteComplete

static FAST_IO_READ_COMPRESSED	VfatFastIoReadCompressed

static FAST_IO_WRITE_COMPRESSED	VfatFastIoWriteCompressed

static FAST_IO_MDL_READ_COMPLETE_COMPRESSED	VfatMdlReadCompleteCompressed

static FAST_IO_MDL_WRITE_COMPLETE_COMPRESSED	VfatMdlWriteCompleteCompressed

static FAST_IO_QUERY_OPEN	VfatFastIoQueryOpen

static FAST_IO_RELEASE_FOR_MOD_WRITE	VfatReleaseForModWrite

static FAST_IO_ACQUIRE_FOR_CCFLUSH	VfatAcquireForCcFlush

static FAST_IO_RELEASE_FOR_CCFLUSH	VfatReleaseForCcFlush

Macro Definition Documentation

◆ NDEBUG

#define NDEBUG

Definition at line 12 of file fastio.c.

Function Documentation

◆ VfatAcquireFileForNtCreateSection()

static VOID NTAPI VfatAcquireFileForNtCreateSection ( IN PFILE_OBJECT FileObject )

static

Definition at line 363 of file fastio.c.

 {
     DPRINT("VfatAcquireFileForNtCreateSection\n");
     UNREFERENCED_PARAMETER(FileObject);
 }

◆ VfatAcquireForCcFlush()

static NTSTATUS NTAPI VfatAcquireForCcFlush	(	IN PFILE_OBJECT	FileObject,
		IN PDEVICE_OBJECT	DeviceObject
	)

static

Definition at line 683 of file fastio.c.

 {
     PVFATFCB Fcb = (PVFATFCB)FileObject->FsContext;
 
     DPRINT("VfatAcquireForCcFlush\n");
 
     UNREFERENCED_PARAMETER(DeviceObject);
 
     /* Make sure it is not a volume lock */
     ASSERT(!BooleanFlagOn(Fcb->Flags, FCB_IS_VOLUME));
 
     /* Acquire the resource */
     ExAcquireResourceExclusiveLite(&(Fcb->MainResource), TRUE);
 
     return STATUS_SUCCESS;
 }

◆ VfatAcquireForLazyWrite()

BOOLEAN NTAPI VfatAcquireForLazyWrite	(	IN PVOID	Context,
		IN BOOLEAN	Wait
	)

Definition at line 728 of file fastio.c.

 {
     PVFATFCB Fcb = (PVFATFCB)Context;
     ASSERT(Fcb);
     DPRINT("VfatAcquireForLazyWrite(): Fcb %p\n", Fcb);
 
     if (!ExAcquireResourceExclusiveLite(&(Fcb->MainResource), Wait))
     {
         DPRINT("VfatAcquireForLazyWrite(): ExReleaseResourceLite failed.\n");
         return FALSE;
     }
     return TRUE;
 }

Referenced by DriverEntry().

◆ VfatAcquireForModWrite()

static NTSTATUS NTAPI VfatAcquireForModWrite	(	IN PFILE_OBJECT	FileObject,
		IN PLARGE_INTEGER	EndingOffset,
		OUT PERESOURCE *	ResourceToRelease,
		IN PDEVICE_OBJECT	DeviceObject
	)

static

Definition at line 424 of file fastio.c.

 {
     DPRINT("VfatAcquireForModWrite\n");
 
     UNREFERENCED_PARAMETER(FileObject);
     UNREFERENCED_PARAMETER(EndingOffset);
     UNREFERENCED_PARAMETER(ResourceToRelease);
     UNREFERENCED_PARAMETER(DeviceObject);
 
     return STATUS_INVALID_DEVICE_REQUEST;
 }

◆ VfatFastIoCheckIfPossible()

static BOOLEAN NTAPI VfatFastIoCheckIfPossible	(	IN PFILE_OBJECT	FileObject,
		IN PLARGE_INTEGER	FileOffset,
		IN ULONG	Length,
		IN BOOLEAN	Wait,
		IN ULONG	LockKey,
		IN BOOLEAN	CheckForReadOperation,
		OUT PIO_STATUS_BLOCK	IoStatus,
		IN PDEVICE_OBJECT	DeviceObject
	)

static

Definition at line 24 of file fastio.c.

 {
     /* Prevent all Fast I/O requests */
     DPRINT("VfatFastIoCheckIfPossible(): returning FALSE.\n");
 
     UNREFERENCED_PARAMETER(FileObject);
     UNREFERENCED_PARAMETER(FileOffset);
     UNREFERENCED_PARAMETER(Length);
     UNREFERENCED_PARAMETER(Wait);
     UNREFERENCED_PARAMETER(LockKey);
     UNREFERENCED_PARAMETER(CheckForReadOperation);
     UNREFERENCED_PARAMETER(IoStatus);
     UNREFERENCED_PARAMETER(DeviceObject);
 
     return FALSE;
 }

◆ VfatFastIoDetachDevice()

static VOID NTAPI VfatFastIoDetachDevice	(	IN PDEVICE_OBJECT	SourceDevice,
		IN PDEVICE_OBJECT	TargetDevice
	)

static

Definition at line 387 of file fastio.c.

 {
     DPRINT("VfatFastIoDetachDevice\n");
     UNREFERENCED_PARAMETER(SourceDevice);
     UNREFERENCED_PARAMETER(TargetDevice);
 }

◆ VfatFastIoDeviceControl()

static BOOLEAN NTAPI VfatFastIoDeviceControl	(	IN PFILE_OBJECT	FileObject,
		IN BOOLEAN	Wait,
		IN PVOID InputBuffer	OPTIONAL,
		IN ULONG	InputBufferLength,
		OUT PVOID OutputBuffer	OPTIONAL,
		IN ULONG	OutputBufferLength,
		IN ULONG	IoControlCode,
		OUT PIO_STATUS_BLOCK	IoStatus,
		IN PDEVICE_OBJECT	DeviceObject
	)

static

Definition at line 332 of file fastio.c.

 {
     DPRINT("VfatFastIoDeviceControl\n");
 
     UNREFERENCED_PARAMETER(FileObject);
     UNREFERENCED_PARAMETER(Wait);
     UNREFERENCED_PARAMETER(InputBuffer);
     UNREFERENCED_PARAMETER(InputBufferLength);
     UNREFERENCED_PARAMETER(OutputBuffer);
     UNREFERENCED_PARAMETER(OutputBufferLength);
     UNREFERENCED_PARAMETER(IoControlCode);
     UNREFERENCED_PARAMETER(IoStatus);
     UNREFERENCED_PARAMETER(DeviceObject);
 
     return FALSE;
 }

◆ VfatFastIoLock()

static BOOLEAN NTAPI VfatFastIoLock	(	IN PFILE_OBJECT	FileObject,
		IN PLARGE_INTEGER	FileOffset,
		IN PLARGE_INTEGER	Length,
		PEPROCESS	ProcessId,
		ULONG	Key,
		BOOLEAN	FailImmediately,
		BOOLEAN	ExclusiveLock,
		OUT PIO_STATUS_BLOCK	IoStatus,
		IN PDEVICE_OBJECT	DeviceObject
	)

static

Definition at line 230 of file fastio.c.

 {
     DPRINT("VfatFastIoLock\n");
 
     UNREFERENCED_PARAMETER(FileObject);
     UNREFERENCED_PARAMETER(FileOffset);
     UNREFERENCED_PARAMETER(Length);
     UNREFERENCED_PARAMETER(ProcessId);
     UNREFERENCED_PARAMETER(Key);
     UNREFERENCED_PARAMETER(FailImmediately);
     UNREFERENCED_PARAMETER(ExclusiveLock);
     UNREFERENCED_PARAMETER(IoStatus);
     UNREFERENCED_PARAMETER(DeviceObject);
 
     return FALSE;
 }

◆ VfatFastIoQueryBasicInfo()

static BOOLEAN NTAPI VfatFastIoQueryBasicInfo	(	IN PFILE_OBJECT	FileObject,
		IN BOOLEAN	Wait,
		OUT PFILE_BASIC_INFORMATION	Buffer,
		OUT PIO_STATUS_BLOCK	IoStatus,
		IN PDEVICE_OBJECT	DeviceObject
	)

static

Definition at line 112 of file fastio.c.

 {
     NTSTATUS Status;
     PVFATFCB FCB = NULL;
     BOOLEAN Success = FALSE;
     ULONG BufferLength = sizeof(FILE_BASIC_INFORMATION);
 
     DPRINT("VfatFastIoQueryBasicInfo()\n");
 
     FCB = (PVFATFCB)FileObject->FsContext;
     if (FCB == NULL)
     {
         return FALSE;
     }
 
     FsRtlEnterFileSystem();
 
     if (!BooleanFlagOn(FCB->Flags, FCB_IS_PAGE_FILE))
     {
         if (!ExAcquireResourceSharedLite(&FCB->MainResource, Wait))
         {
             FsRtlExitFileSystem();
             return FALSE;
         }
     }
 
     Status = VfatGetBasicInformation(FileObject,
                                      FCB,
                                      DeviceObject->DeviceExtension,
                                      Buffer,
                                      &BufferLength);
 
     if (!BooleanFlagOn(FCB->Flags, FCB_IS_PAGE_FILE))
     {
         ExReleaseResourceLite(&FCB->MainResource);
     }
 
     if (NT_SUCCESS(Status))
     {
         IoStatus->Status = STATUS_SUCCESS;
         IoStatus->Information = sizeof(FILE_BASIC_INFORMATION) - BufferLength;
         Success = TRUE;
     }
 
     FsRtlExitFileSystem();
 
     return Success;
 }

◆ VfatFastIoQueryNetworkOpenInfo()

static BOOLEAN NTAPI VfatFastIoQueryNetworkOpenInfo	(	IN PFILE_OBJECT	FileObject,
		IN BOOLEAN	Wait,
		OUT PFILE_NETWORK_OPEN_INFORMATION	Buffer,
		OUT PIO_STATUS_BLOCK	IoStatus,
		IN PDEVICE_OBJECT	DeviceObject
	)

static

Definition at line 401 of file fastio.c.

 {
     DPRINT("VfatFastIoQueryNetworkOpenInfo\n");
 
     UNREFERENCED_PARAMETER(FileObject);
     UNREFERENCED_PARAMETER(Wait);
     UNREFERENCED_PARAMETER(Buffer);
     UNREFERENCED_PARAMETER(IoStatus);
     UNREFERENCED_PARAMETER(DeviceObject);
 
     return FALSE;
 }

◆ VfatFastIoQueryOpen()

static BOOLEAN NTAPI VfatFastIoQueryOpen	(	IN PIRP	Irp,
		OUT PFILE_NETWORK_OPEN_INFORMATION	NetworkInformation,
		IN PDEVICE_OBJECT	DeviceObject
	)

static

Definition at line 645 of file fastio.c.

 {
     DPRINT("VfatFastIoQueryOpen\n");
 
     UNREFERENCED_PARAMETER(Irp);
     UNREFERENCED_PARAMETER(NetworkInformation);
     UNREFERENCED_PARAMETER(DeviceObject);
 
     return FALSE;
 }

◆ VfatFastIoQueryStandardInfo()

static BOOLEAN NTAPI VfatFastIoQueryStandardInfo	(	IN PFILE_OBJECT	FileObject,
		IN BOOLEAN	Wait,
		OUT PFILE_STANDARD_INFORMATION	Buffer,
		OUT PIO_STATUS_BLOCK	IoStatus,
		IN PDEVICE_OBJECT	DeviceObject
	)

static

Definition at line 171 of file fastio.c.

 {
     NTSTATUS Status;
     PVFATFCB FCB = NULL;
     BOOLEAN Success = FALSE;
     ULONG BufferLength = sizeof(FILE_STANDARD_INFORMATION);
 
     DPRINT("VfatFastIoQueryStandardInfo()\n");
 
     UNREFERENCED_PARAMETER(DeviceObject);
 
     FCB = (PVFATFCB)FileObject->FsContext;
     if (FCB == NULL)
     {
         return FALSE;
     }
 
     FsRtlEnterFileSystem();
 
     if (!BooleanFlagOn(FCB->Flags, FCB_IS_PAGE_FILE))
     {
         if (!ExAcquireResourceSharedLite(&FCB->MainResource, Wait))
         {
             FsRtlExitFileSystem();
             return FALSE;
         }
     }
 
     Status = VfatGetStandardInformation(FCB,
                                         Buffer,
                                         &BufferLength);
 
     if (!BooleanFlagOn(FCB->Flags, FCB_IS_PAGE_FILE))
     {
         ExReleaseResourceLite(&FCB->MainResource);
     }
 
     if (NT_SUCCESS(Status))
     {
         IoStatus->Status = STATUS_SUCCESS;
         IoStatus->Information = sizeof(FILE_STANDARD_INFORMATION) - BufferLength;
         Success = TRUE;
     }
 
     FsRtlExitFileSystem();
 
     return Success;
 }

◆ VfatFastIoRead()

static BOOLEAN NTAPI VfatFastIoRead	(	IN PFILE_OBJECT	FileObject,
		IN PLARGE_INTEGER	FileOffset,
		IN ULONG	Length,
		IN BOOLEAN	Wait,
		IN ULONG	LockKey,
		OUT PVOID	Buffer,
		OUT PIO_STATUS_BLOCK	IoStatus,
		IN PDEVICE_OBJECT	DeviceObject
	)

static

Definition at line 54 of file fastio.c.

 {
     DPRINT("VfatFastIoRead()\n");
 
     UNREFERENCED_PARAMETER(FileObject);
     UNREFERENCED_PARAMETER(FileOffset);
     UNREFERENCED_PARAMETER(Length);
     UNREFERENCED_PARAMETER(Wait);
     UNREFERENCED_PARAMETER(LockKey);
     UNREFERENCED_PARAMETER(Buffer);
     UNREFERENCED_PARAMETER(IoStatus);
     UNREFERENCED_PARAMETER(DeviceObject);
 
     return FALSE;
 }

◆ VfatFastIoReadCompressed()

static BOOLEAN NTAPI VfatFastIoReadCompressed	(	IN PFILE_OBJECT	FileObject,
		IN PLARGE_INTEGER	FileOffset,
		IN ULONG	Length,
		IN ULONG	LockKey,
		OUT PVOID	Buffer,
		OUT PMDL *	MdlChain,
		OUT PIO_STATUS_BLOCK	IoStatus,
		OUT PCOMPRESSED_DATA_INFO	CompressedDataInfo,
		IN ULONG	CompressedDataInfoLength,
		IN PDEVICE_OBJECT	DeviceObject
	)

static

Definition at line 539 of file fastio.c.

 {
     DPRINT("VfatFastIoReadCompressed\n");
 
     UNREFERENCED_PARAMETER(FileObject);
     UNREFERENCED_PARAMETER(FileOffset);
     UNREFERENCED_PARAMETER(Length);
     UNREFERENCED_PARAMETER(LockKey);
     UNREFERENCED_PARAMETER(Buffer);
     UNREFERENCED_PARAMETER(MdlChain);
     UNREFERENCED_PARAMETER(IoStatus);
     UNREFERENCED_PARAMETER(CompressedDataInfo);
     UNREFERENCED_PARAMETER(CompressedDataInfoLength);
     UNREFERENCED_PARAMETER(DeviceObject);
 
     return FALSE;
 }

◆ VfatFastIoUnlockAll()

static BOOLEAN NTAPI VfatFastIoUnlockAll	(	IN PFILE_OBJECT	FileObject,
		PEPROCESS	ProcessId,
		OUT PIO_STATUS_BLOCK	IoStatus,
		IN PDEVICE_OBJECT	DeviceObject
	)

static

Definition at line 288 of file fastio.c.

 {
     DPRINT("VfatFastIoUnlockAll\n");
 
     UNREFERENCED_PARAMETER(FileObject);
     UNREFERENCED_PARAMETER(ProcessId);
     UNREFERENCED_PARAMETER(IoStatus);
     UNREFERENCED_PARAMETER(DeviceObject);
 
     return FALSE;
 }

◆ VfatFastIoUnlockAllByKey()

static BOOLEAN NTAPI VfatFastIoUnlockAllByKey	(	IN PFILE_OBJECT	FileObject,
		PVOID	ProcessId,
		ULONG	Key,
		OUT PIO_STATUS_BLOCK	IoStatus,
		IN PDEVICE_OBJECT	DeviceObject
	)

static

Definition at line 309 of file fastio.c.

 {
     DPRINT("VfatFastIoUnlockAllByKey\n");
 
     UNREFERENCED_PARAMETER(FileObject);
     UNREFERENCED_PARAMETER(ProcessId);
     UNREFERENCED_PARAMETER(Key);
     UNREFERENCED_PARAMETER(IoStatus);
     UNREFERENCED_PARAMETER(DeviceObject);
 
     return FALSE;
 }

◆ VfatFastIoUnlockSingle()

static BOOLEAN NTAPI VfatFastIoUnlockSingle	(	IN PFILE_OBJECT	FileObject,
		IN PLARGE_INTEGER	FileOffset,
		IN PLARGE_INTEGER	Length,
		PEPROCESS	ProcessId,
		ULONG	Key,
		OUT PIO_STATUS_BLOCK	IoStatus,
		IN PDEVICE_OBJECT	DeviceObject
	)

static

Definition at line 261 of file fastio.c.

 {
     DPRINT("VfatFastIoUnlockSingle\n");
 
     UNREFERENCED_PARAMETER(FileObject);
     UNREFERENCED_PARAMETER(FileOffset);
     UNREFERENCED_PARAMETER(Length);
     UNREFERENCED_PARAMETER(ProcessId);
     UNREFERENCED_PARAMETER(Key);
     UNREFERENCED_PARAMETER(IoStatus);
     UNREFERENCED_PARAMETER(DeviceObject);
 
     return FALSE;
 }

◆ VfatFastIoWrite()

static BOOLEAN NTAPI VfatFastIoWrite	(	IN PFILE_OBJECT	FileObject,
		IN PLARGE_INTEGER	FileOffset,
		IN ULONG	Length,
		IN BOOLEAN	Wait,
		IN ULONG	LockKey,
		OUT PVOID	Buffer,
		OUT PIO_STATUS_BLOCK	IoStatus,
		IN PDEVICE_OBJECT	DeviceObject
	)

static

Definition at line 83 of file fastio.c.

 {
     DPRINT("VfatFastIoWrite()\n");
 
     UNREFERENCED_PARAMETER(FileObject);
     UNREFERENCED_PARAMETER(FileOffset);
     UNREFERENCED_PARAMETER(Length);
     UNREFERENCED_PARAMETER(Wait);
     UNREFERENCED_PARAMETER(LockKey);
     UNREFERENCED_PARAMETER(Buffer);
     UNREFERENCED_PARAMETER(IoStatus);
     UNREFERENCED_PARAMETER(DeviceObject);
 
     return FALSE;
 }

◆ VfatFastIoWriteCompressed()

static BOOLEAN NTAPI VfatFastIoWriteCompressed	(	IN PFILE_OBJECT	FileObject,
		IN PLARGE_INTEGER	FileOffset,
		IN ULONG	Length,
		IN ULONG	LockKey,
		IN PVOID	Buffer,
		OUT PMDL *	MdlChain,
		OUT PIO_STATUS_BLOCK	IoStatus,
		IN PCOMPRESSED_DATA_INFO	CompressedDataInfo,
		IN ULONG	CompressedDataInfoLength,
		IN PDEVICE_OBJECT	DeviceObject
	)

static

Definition at line 572 of file fastio.c.

 {
     DPRINT("VfatFastIoWriteCompressed\n");
 
     UNREFERENCED_PARAMETER(FileObject);
     UNREFERENCED_PARAMETER(FileOffset);
     UNREFERENCED_PARAMETER(Length);
     UNREFERENCED_PARAMETER(LockKey);
     UNREFERENCED_PARAMETER(Buffer);
     UNREFERENCED_PARAMETER(MdlChain);
     UNREFERENCED_PARAMETER(IoStatus);
     UNREFERENCED_PARAMETER(CompressedDataInfo);
     UNREFERENCED_PARAMETER(CompressedDataInfoLength);
     UNREFERENCED_PARAMETER(DeviceObject);
 
     return FALSE;
 }

◆ VfatInitFastIoRoutines()

VOID VfatInitFastIoRoutines ( PFAST_IO_DISPATCH FastIoDispatch )

Definition at line 758 of file fastio.c.

 {
     FastIoDispatch->SizeOfFastIoDispatch = sizeof(FAST_IO_DISPATCH);
     FastIoDispatch->FastIoCheckIfPossible = VfatFastIoCheckIfPossible;
     FastIoDispatch->FastIoRead = VfatFastIoRead;
     FastIoDispatch->FastIoWrite = VfatFastIoWrite;
     FastIoDispatch->FastIoQueryBasicInfo = VfatFastIoQueryBasicInfo;
     FastIoDispatch->FastIoQueryStandardInfo = VfatFastIoQueryStandardInfo;
     FastIoDispatch->FastIoLock = VfatFastIoLock;
     FastIoDispatch->FastIoUnlockSingle = VfatFastIoUnlockSingle;
     FastIoDispatch->FastIoUnlockAll = VfatFastIoUnlockAll;
     FastIoDispatch->FastIoUnlockAllByKey = VfatFastIoUnlockAllByKey;
     FastIoDispatch->FastIoDeviceControl = VfatFastIoDeviceControl;
     FastIoDispatch->AcquireFileForNtCreateSection = VfatAcquireFileForNtCreateSection;
     FastIoDispatch->ReleaseFileForNtCreateSection = VfatReleaseFileForNtCreateSection;
     FastIoDispatch->FastIoDetachDevice = VfatFastIoDetachDevice;
     FastIoDispatch->FastIoQueryNetworkOpenInfo = VfatFastIoQueryNetworkOpenInfo;
     FastIoDispatch->MdlRead = VfatMdlRead;
     FastIoDispatch->MdlReadComplete = VfatMdlReadComplete;
     FastIoDispatch->PrepareMdlWrite = VfatPrepareMdlWrite;
     FastIoDispatch->MdlWriteComplete = VfatMdlWriteComplete;
     FastIoDispatch->FastIoReadCompressed = VfatFastIoReadCompressed;
     FastIoDispatch->FastIoWriteCompressed = VfatFastIoWriteCompressed;
     FastIoDispatch->MdlReadCompleteCompressed = VfatMdlReadCompleteCompressed;
     FastIoDispatch->MdlWriteCompleteCompressed = VfatMdlWriteCompleteCompressed;
     FastIoDispatch->FastIoQueryOpen = VfatFastIoQueryOpen;
     FastIoDispatch->AcquireForModWrite = VfatAcquireForModWrite;
     FastIoDispatch->ReleaseForModWrite = VfatReleaseForModWrite;
     FastIoDispatch->AcquireForCcFlush = VfatAcquireForCcFlush;
     FastIoDispatch->ReleaseForCcFlush = VfatReleaseForCcFlush;
 }

Referenced by DriverEntry().

◆ VfatMdlRead()

static BOOLEAN NTAPI VfatMdlRead	(	IN PFILE_OBJECT	FileObject,
		IN PLARGE_INTEGER	FileOffset,
		IN ULONG	Length,
		IN ULONG	LockKey,
		OUT PMDL *	MdlChain,
		OUT PIO_STATUS_BLOCK	IoStatus,
		IN PDEVICE_OBJECT	DeviceObject
	)

static

Definition at line 445 of file fastio.c.

 {
     DPRINT("VfatMdlRead\n");
 
     UNREFERENCED_PARAMETER(FileObject);
     UNREFERENCED_PARAMETER(FileOffset);
     UNREFERENCED_PARAMETER(Length);
     UNREFERENCED_PARAMETER(LockKey);
     UNREFERENCED_PARAMETER(MdlChain);
     UNREFERENCED_PARAMETER(IoStatus);
     UNREFERENCED_PARAMETER(DeviceObject);
 
     return FALSE;
 }

◆ VfatMdlReadComplete()

static BOOLEAN NTAPI VfatMdlReadComplete	(	IN PFILE_OBJECT	FileObject,
		IN PMDL	MdlChain,
		IN PDEVICE_OBJECT	DeviceObject
	)

static

Definition at line 472 of file fastio.c.

 {
     DPRINT("VfatMdlReadComplete\n");
 
     UNREFERENCED_PARAMETER(FileObject);
     UNREFERENCED_PARAMETER(MdlChain);
     UNREFERENCED_PARAMETER(DeviceObject);
 
     return FALSE;
 }

◆ VfatMdlReadCompleteCompressed()

static BOOLEAN NTAPI VfatMdlReadCompleteCompressed	(	IN PFILE_OBJECT	FileObject,
		IN PMDL	MdlChain,
		IN PDEVICE_OBJECT	DeviceObject
	)

static

Definition at line 605 of file fastio.c.

 {
     DPRINT("VfatMdlReadCompleteCompressed\n");
 
     UNREFERENCED_PARAMETER(FileObject);
     UNREFERENCED_PARAMETER(MdlChain);
     UNREFERENCED_PARAMETER(DeviceObject);
 
     return FALSE;
 }

◆ VfatMdlWriteComplete()

static BOOLEAN NTAPI VfatMdlWriteComplete	(	IN PFILE_OBJECT	FileObject,
		IN PLARGE_INTEGER	FileOffset,
		IN PMDL	MdlChain,
		IN PDEVICE_OBJECT	DeviceObject
	)

static

Definition at line 518 of file fastio.c.

 {
     DPRINT("VfatMdlWriteComplete\n");
 
     UNREFERENCED_PARAMETER(FileObject);
     UNREFERENCED_PARAMETER(FileOffset);
     UNREFERENCED_PARAMETER(MdlChain);
     UNREFERENCED_PARAMETER(DeviceObject);
 
     return FALSE;
 }

◆ VfatMdlWriteCompleteCompressed()

static BOOLEAN NTAPI VfatMdlWriteCompleteCompressed	(	IN PFILE_OBJECT	FileObject,
		IN PLARGE_INTEGER	FileOffset,
		IN PMDL	MdlChain,
		IN PDEVICE_OBJECT	DeviceObject
	)

static

Definition at line 624 of file fastio.c.

 {
     DPRINT("VfatMdlWriteCompleteCompressed\n");
 
     UNREFERENCED_PARAMETER(FileObject);
     UNREFERENCED_PARAMETER(FileOffset);
     UNREFERENCED_PARAMETER(MdlChain);
     UNREFERENCED_PARAMETER(DeviceObject);
 
     return FALSE;
 }

◆ VfatPrepareMdlWrite()

static BOOLEAN NTAPI VfatPrepareMdlWrite	(	IN PFILE_OBJECT	FileObject,
		IN PLARGE_INTEGER	FileOffset,
		IN ULONG	Length,
		IN ULONG	LockKey,
		OUT PMDL *	MdlChain,
		OUT PIO_STATUS_BLOCK	IoStatus,
		IN PDEVICE_OBJECT	DeviceObject
	)

static

Definition at line 491 of file fastio.c.

 {
     DPRINT("VfatPrepareMdlWrite\n");
 
     UNREFERENCED_PARAMETER(FileObject);
     UNREFERENCED_PARAMETER(FileOffset);
     UNREFERENCED_PARAMETER(Length);
     UNREFERENCED_PARAMETER(LockKey);
     UNREFERENCED_PARAMETER(MdlChain);
     UNREFERENCED_PARAMETER(IoStatus);
     UNREFERENCED_PARAMETER(DeviceObject);
 
     return FALSE;
 }

◆ VfatReleaseFileForNtCreateSection()

static VOID NTAPI VfatReleaseFileForNtCreateSection ( IN PFILE_OBJECT FileObject )

static

Definition at line 375 of file fastio.c.

 {
     DPRINT("VfatReleaseFileForNtCreateSection\n");
     UNREFERENCED_PARAMETER(FileObject);
 }

◆ VfatReleaseForCcFlush()

static NTSTATUS NTAPI VfatReleaseForCcFlush	(	IN PFILE_OBJECT	FileObject,
		IN PDEVICE_OBJECT	DeviceObject
	)

static

Definition at line 707 of file fastio.c.

 {
     PVFATFCB Fcb = (PVFATFCB)FileObject->FsContext;
 
     DPRINT("VfatReleaseForCcFlush\n");
 
     UNREFERENCED_PARAMETER(DeviceObject);
 
     /* Make sure it is not a volume lock */
     ASSERT(!BooleanFlagOn(Fcb->Flags, FCB_IS_VOLUME));
 
     /* Release the resource */
     ExReleaseResourceLite(&(Fcb->MainResource));
 
     return STATUS_SUCCESS;
 }

◆ VfatReleaseForModWrite()

static NTSTATUS NTAPI VfatReleaseForModWrite	(	IN PFILE_OBJECT	FileObject,
		IN PERESOURCE	ResourceToRelease,
		IN PDEVICE_OBJECT	DeviceObject
	)

static

Definition at line 664 of file fastio.c.

 {
     DPRINT("VfatReleaseForModWrite\n");
 
     UNREFERENCED_PARAMETER(FileObject);
     UNREFERENCED_PARAMETER(ResourceToRelease);
     UNREFERENCED_PARAMETER(DeviceObject);
 
     return STATUS_INVALID_DEVICE_REQUEST;
 }

◆ VfatReleaseFromLazyWrite()

VOID NTAPI VfatReleaseFromLazyWrite ( IN PVOID Context )

Definition at line 746 of file fastio.c.

 {
     PVFATFCB Fcb = (PVFATFCB)Context;
     ASSERT(Fcb);
     DPRINT("VfatReleaseFromLazyWrite(): Fcb %p\n", Fcb);
 
     ExReleaseResourceLite(&(Fcb->MainResource));
 }

Referenced by DriverEntry().

Variable Documentation

◆ VfatAcquireFileForNtCreateSection

FAST_IO_ACQUIRE_FILE VfatAcquireFileForNtCreateSection

static

Definition at line 358 of file fastio.c.

Referenced by VfatInitFastIoRoutines().

◆ VfatAcquireForCcFlush

FAST_IO_ACQUIRE_FOR_CCFLUSH VfatAcquireForCcFlush

static

Definition at line 678 of file fastio.c.

Referenced by VfatInitFastIoRoutines().

◆ VfatAcquireForModWrite

FAST_IO_ACQUIRE_FOR_MOD_WRITE VfatAcquireForModWrite

static

Definition at line 419 of file fastio.c.

Referenced by VfatInitFastIoRoutines().

◆ VfatFastIoCheckIfPossible

FAST_IO_CHECK_IF_POSSIBLE VfatFastIoCheckIfPossible

static

Definition at line 19 of file fastio.c.

Referenced by VfatInitFastIoRoutines().

◆ VfatFastIoDetachDevice

FAST_IO_DETACH_DEVICE VfatFastIoDetachDevice

static

Definition at line 382 of file fastio.c.

Referenced by VfatInitFastIoRoutines().

◆ VfatFastIoDeviceControl

FAST_IO_DEVICE_CONTROL VfatFastIoDeviceControl

static

Definition at line 327 of file fastio.c.

Referenced by VfatInitFastIoRoutines().

◆ VfatFastIoLock

FAST_IO_LOCK VfatFastIoLock

static

Definition at line 225 of file fastio.c.

Referenced by VfatInitFastIoRoutines().

◆ VfatFastIoQueryBasicInfo

FAST_IO_QUERY_BASIC_INFO VfatFastIoQueryBasicInfo

static

Definition at line 107 of file fastio.c.

Referenced by VfatInitFastIoRoutines().

◆ VfatFastIoQueryNetworkOpenInfo

FAST_IO_QUERY_NETWORK_OPEN_INFO VfatFastIoQueryNetworkOpenInfo

static

Definition at line 396 of file fastio.c.

Referenced by VfatInitFastIoRoutines().

◆ VfatFastIoQueryOpen

FAST_IO_QUERY_OPEN VfatFastIoQueryOpen

static

Definition at line 640 of file fastio.c.

Referenced by VfatInitFastIoRoutines().

◆ VfatFastIoQueryStandardInfo

FAST_IO_QUERY_STANDARD_INFO VfatFastIoQueryStandardInfo

static

Definition at line 166 of file fastio.c.

Referenced by VfatInitFastIoRoutines().

◆ VfatFastIoRead

FAST_IO_READ VfatFastIoRead

static

Definition at line 49 of file fastio.c.

Referenced by VfatInitFastIoRoutines().

◆ VfatFastIoReadCompressed

FAST_IO_READ_COMPRESSED VfatFastIoReadCompressed

static

Definition at line 534 of file fastio.c.

Referenced by VfatInitFastIoRoutines().

◆ VfatFastIoUnlockAll

FAST_IO_UNLOCK_ALL VfatFastIoUnlockAll

static

Definition at line 283 of file fastio.c.

Referenced by VfatInitFastIoRoutines().

◆ VfatFastIoUnlockAllByKey

FAST_IO_UNLOCK_ALL_BY_KEY VfatFastIoUnlockAllByKey

static

Definition at line 304 of file fastio.c.

Referenced by VfatInitFastIoRoutines().

◆ VfatFastIoUnlockSingle

FAST_IO_UNLOCK_SINGLE VfatFastIoUnlockSingle

static

Definition at line 256 of file fastio.c.

Referenced by VfatInitFastIoRoutines().

◆ VfatFastIoWrite

FAST_IO_WRITE VfatFastIoWrite

static

Definition at line 78 of file fastio.c.

Referenced by VfatInitFastIoRoutines().

◆ VfatFastIoWriteCompressed

FAST_IO_WRITE_COMPRESSED VfatFastIoWriteCompressed

static

Definition at line 567 of file fastio.c.

Referenced by VfatInitFastIoRoutines().

◆ VfatMdlRead

FAST_IO_MDL_READ VfatMdlRead

static

Definition at line 440 of file fastio.c.

Referenced by VfatInitFastIoRoutines().

◆ VfatMdlReadComplete

FAST_IO_MDL_READ_COMPLETE VfatMdlReadComplete

static

Definition at line 467 of file fastio.c.

Referenced by VfatInitFastIoRoutines().

◆ VfatMdlReadCompleteCompressed

FAST_IO_MDL_READ_COMPLETE_COMPRESSED VfatMdlReadCompleteCompressed

static

Definition at line 600 of file fastio.c.

Referenced by VfatInitFastIoRoutines().

◆ VfatMdlWriteComplete

FAST_IO_MDL_WRITE_COMPLETE VfatMdlWriteComplete

static

Definition at line 513 of file fastio.c.

Referenced by VfatInitFastIoRoutines().

◆ VfatMdlWriteCompleteCompressed

FAST_IO_MDL_WRITE_COMPLETE_COMPRESSED VfatMdlWriteCompleteCompressed

static

Definition at line 619 of file fastio.c.

Referenced by VfatInitFastIoRoutines().

◆ VfatPrepareMdlWrite

FAST_IO_PREPARE_MDL_WRITE VfatPrepareMdlWrite

static

Definition at line 486 of file fastio.c.

Referenced by VfatInitFastIoRoutines().

◆ VfatReleaseFileForNtCreateSection

FAST_IO_RELEASE_FILE VfatReleaseFileForNtCreateSection

static

Definition at line 370 of file fastio.c.

Referenced by VfatInitFastIoRoutines().

◆ VfatReleaseForCcFlush

FAST_IO_RELEASE_FOR_CCFLUSH VfatReleaseForCcFlush

static

Definition at line 702 of file fastio.c.

Referenced by VfatInitFastIoRoutines().

◆ VfatReleaseForModWrite

FAST_IO_RELEASE_FOR_MOD_WRITE VfatReleaseForModWrite

static

Definition at line 659 of file fastio.c.

Referenced by VfatInitFastIoRoutines().

Macros

Functions

Variables

Macro Definition Documentation

◆ NDEBUG

Function Documentation

◆ VfatAcquireFileForNtCreateSection()

◆ VfatAcquireForCcFlush()

◆ VfatAcquireForLazyWrite()

◆ VfatAcquireForModWrite()

◆ VfatFastIoCheckIfPossible()

◆ VfatFastIoDetachDevice()

◆ VfatFastIoDeviceControl()

◆ VfatFastIoLock()

◆ VfatFastIoQueryBasicInfo()

◆ VfatFastIoQueryNetworkOpenInfo()

◆ VfatFastIoQueryOpen()

◆ VfatFastIoQueryStandardInfo()

◆ VfatFastIoRead()

◆ VfatFastIoReadCompressed()

◆ VfatFastIoUnlockAll()

◆ VfatFastIoUnlockAllByKey()

◆ VfatFastIoUnlockSingle()

◆ VfatFastIoWrite()

◆ VfatFastIoWriteCompressed()

◆ VfatInitFastIoRoutines()

◆ VfatMdlRead()

◆ VfatMdlReadComplete()

◆ VfatMdlReadCompleteCompressed()

◆ VfatMdlWriteComplete()

◆ VfatMdlWriteCompleteCompressed()

◆ VfatPrepareMdlWrite()

◆ VfatReleaseFileForNtCreateSection()

◆ VfatReleaseForCcFlush()

◆ VfatReleaseForModWrite()

◆ VfatReleaseFromLazyWrite()

Variable Documentation

◆ VfatAcquireFileForNtCreateSection

◆ VfatAcquireForCcFlush

◆ VfatAcquireForModWrite

◆ VfatFastIoCheckIfPossible

◆ VfatFastIoDetachDevice

◆ VfatFastIoDeviceControl

◆ VfatFastIoLock

◆ VfatFastIoQueryBasicInfo

◆ VfatFastIoQueryNetworkOpenInfo

◆ VfatFastIoQueryOpen

◆ VfatFastIoQueryStandardInfo

◆ VfatFastIoRead

◆ VfatFastIoReadCompressed

◆ VfatFastIoUnlockAll

◆ VfatFastIoUnlockAllByKey

◆ VfatFastIoUnlockSingle

◆ VfatFastIoWrite

◆ VfatFastIoWriteCompressed

◆ VfatMdlRead

◆ VfatMdlReadComplete

◆ VfatMdlReadCompleteCompressed

◆ VfatMdlWriteComplete

◆ VfatMdlWriteCompleteCompressed

◆ VfatPrepareMdlWrite

◆ VfatReleaseFileForNtCreateSection

◆ VfatReleaseForCcFlush

◆ VfatReleaseForModWrite