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sys, dll: FSP_FSCTL_STOP

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This commit is contained in:
Bill Zissimopoulos 2016-02-16 20:37:13 -08:00
parent 8164ebf370
commit 1b533512d3
7 changed files with 42 additions and 9 deletions
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3
inc/winfsp/fsctl.h
View File

@ -38,6 +38,8 @@ extern const __declspec(selectany) GUID FspFsvrtDeviceClassGuid =
CTL_CODE(FILE_DEVICE_FILE_SYSTEM, 0x800 + 'T', METHOD_BUFFERED, FILE_ANY_ACCESS)
#define FSP_FSCTL_TRANSACT_BATCH \
CTL_CODE(FILE_DEVICE_FILE_SYSTEM, 0x800 + 't', METHOD_OUT_DIRECT, FILE_ANY_ACCESS)
#define FSP_FSCTL_STOP \
CTL_CODE(FILE_DEVICE_FILE_SYSTEM, 0x800 + 'S', METHOD_BUFFERED, FILE_ANY_ACCESS)
#define FSP_FSCTL_VOLUME_NAME_SIZEMAX 128
@ -322,6 +324,7 @@ FSP_API NTSTATUS FspFsctlTransact(HANDLE VolumeHandle,
PVOID ResponseBuf, SIZE_T ResponseBufSize,
PVOID RequestBuf, SIZE_T *PRequestBufSize,
BOOLEAN Batch);
FSP_API NTSTATUS FspFsctlStop(HANDLE VolumeHandle);
#endif
#ifdef __cplusplus

12
src/dll/dispatch.c
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@ -98,10 +98,6 @@ static DWORD WINAPI FspFileSystemDispatcherThread(PVOID FileSystem0)
if (!NT_SUCCESS(Result))
goto exit;
FspFileSystemGetDispatcherResult(FileSystem, &Result);
if (!NT_SUCCESS(Result))
goto exit;
memset(Response, 0, sizeof *Response);
if (0 == RequestSize)
continue;
@ -123,10 +119,6 @@ static DWORD WINAPI FspFileSystemDispatcherThread(PVOID FileSystem0)
}
else
Response->IoStatus.Status = STATUS_INVALID_DEVICE_REQUEST;
FspFileSystemGetDispatcherResult(FileSystem, &Result);
if (!NT_SUCCESS(Result))
goto exit;
}
exit:
@ -135,6 +127,8 @@ exit:
FspFileSystemSetDispatcherResult(FileSystem, Result);
FspFsctlStop(FileSystem->VolumeHandle);
if (0 != DispatcherThread)
{
WaitForSingleObject(DispatcherThread, INFINITE);
@ -177,7 +171,7 @@ FSP_API VOID FspFileSystemStopDispatcher(FSP_FILE_SYSTEM *FileSystem)
if (0 == FileSystem->DispatcherThread)
return;
FspFileSystemSetDispatcherResult(FileSystem, STATUS_CANCELLED);
FspFsctlStop(FileSystem->VolumeHandle);
WaitForSingleObject(FileSystem->DispatcherThread, INFINITE);
CloseHandle(FileSystem->DispatcherThread);

8
src/dll/fsctl.c
View File

@ -111,3 +111,11 @@ FSP_API NTSTATUS FspFsctlTransact(HANDLE VolumeHandle,
exit:
return Result;
}
FSP_API NTSTATUS FspFsctlStop(HANDLE VolumeHandle)
{
if (!DeviceIoControl(VolumeHandle, FSP_FSCTL_STOP, 0, 0, 0, 0, 0, 0))
return FspNtStatusFromWin32(GetLastError());
return STATUS_SUCCESS;
}

1
src/sys/debug.c
View File

@ -160,6 +160,7 @@ const char *IoctlCodeSym(ULONG ControlCode)
SYM(FSP_FSCTL_VOLUME_NAME)
SYM(FSP_FSCTL_TRANSACT)
SYM(FSP_FSCTL_TRANSACT_BATCH)
SYM(FSP_FSCTL_STOP)
SYM(FSP_FSCTL_WORK)
SYM(FSP_FSCTL_WORK_BEST_EFFORT)
// cygwin: sed -n '/[IF][OS]CTL.*CTL_CODE/s/^#define[ \t]*\([^ \t]*\).*/SYM(\1)/p'

2
src/sys/driver.h
View File

@ -545,6 +545,8 @@ NTSTATUS FspVolumeGetName(
PDEVICE_OBJECT FsctlDeviceObject, PIRP Irp, PIO_STACK_LOCATION IrpSp);
NTSTATUS FspVolumeTransact(
PDEVICE_OBJECT FsctlDeviceObject, PIRP Irp, PIO_STACK_LOCATION IrpSp);
NTSTATUS FspVolumeStop(
PDEVICE_OBJECT FsctlDeviceObject, PIRP Irp, PIO_STACK_LOCATION IrpSp);
NTSTATUS FspVolumeWork(
PDEVICE_OBJECT FsvolDeviceObject, PIRP Irp, PIO_STACK_LOCATION IrpSp);

4
src/sys/fsctl.c
View File

@ -40,6 +40,10 @@ static NTSTATUS FspFsctlFileSystemControl(
if (0 != IrpSp->FileObject->FsContext2)
Result = FspVolumeTransact(DeviceObject, Irp, IrpSp);
break;
case FSP_FSCTL_STOP:
if (0 != IrpSp->FileObject->FsContext2)
Result = FspVolumeStop(DeviceObject, Irp, IrpSp);
break;
}
break;
case IRP_MN_MOUNT_VOLUME:

21
src/sys/volume.c
View File

@ -20,6 +20,8 @@ NTSTATUS FspVolumeGetName(
PDEVICE_OBJECT FsctlDeviceObject, PIRP Irp, PIO_STACK_LOCATION IrpSp);
NTSTATUS FspVolumeTransact(
PDEVICE_OBJECT FsctlDeviceObject, PIRP Irp, PIO_STACK_LOCATION IrpSp);
NTSTATUS FspVolumeStop(
PDEVICE_OBJECT FsctlDeviceObject, PIRP Irp, PIO_STACK_LOCATION IrpSp);
NTSTATUS FspVolumeWork(
PDEVICE_OBJECT FsvolDeviceObject, PIRP Irp, PIO_STACK_LOCATION IrpSp);
@ -31,6 +33,7 @@ NTSTATUS FspVolumeWork(
// ! #pragma alloc_text(PAGE, FspVolumeMount)
#pragma alloc_text(PAGE, FspVolumeGetName)
#pragma alloc_text(PAGE, FspVolumeTransact)
#pragma alloc_text(PAGE, FspVolumeStop)
#pragma alloc_text(PAGE, FspVolumeRedirQueryPathEx)
#pragma alloc_text(PAGE, FspVolumeWork)
#endif
@ -693,6 +696,24 @@ exit:
return Result;
}
NTSTATUS FspVolumeStop(
PDEVICE_OBJECT FsctlDeviceObject, PIRP Irp, PIO_STACK_LOCATION IrpSp)
{
PAGED_CODE();
ASSERT(IRP_MJ_FILE_SYSTEM_CONTROL == IrpSp->MajorFunction);
ASSERT(IRP_MN_USER_FS_REQUEST == IrpSp->MinorFunction);
ASSERT(FSP_FSCTL_STOP == IrpSp->Parameters.FileSystemControl.FsControlCode);
ASSERT(0 != IrpSp->FileObject->FsContext2);
PDEVICE_OBJECT FsvolDeviceObject = IrpSp->FileObject->FsContext2;
FSP_FSVOL_DEVICE_EXTENSION *FsvolDeviceExtension = FspFsvolDeviceExtension(FsvolDeviceObject);
FspIoqStop(FsvolDeviceExtension->Ioq);
return STATUS_SUCCESS;
}
NTSTATUS FspVolumeWork(
PDEVICE_OBJECT FsvolDeviceObject, PIRP Irp, PIO_STACK_LOCATION IrpSp)
{