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sys: WIP

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This commit is contained in:
Bill Zissimopoulos
2015-11-29 14:19:41 -08:00
parent a082cc1516
commit 8cb508d3e4
2 changed files with 6 additions and 2 deletions
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1
src/sys/driver.h
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@@ -254,6 +254,7 @@ typedef struct
typedef struct
{
FSP_DEVICE_EXTENSION Base;
PDEVICE_OBJECT FsctlDeviceObject;
FSP_FSCTL_VOLUME_PARAMS VolumeParams;
FSP_IOQ Ioq;
UINT8 SecurityDescriptorBuf[];

7
src/sys/fsctl.c
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@@ -89,6 +89,7 @@ static NTSTATUS FspFsctlCreateVolume(
{
FSP_FSVRT_DEVICE_EXTENSION *FsvrtDeviceExtension = FspFsvrtDeviceExtension(FsvrtDeviceObject);
FsvrtDeviceExtension->Base.Kind = FspFsvrtDeviceExtensionKind;
FsvrtDeviceExtension->FsctlDeviceObject = DeviceObject;
FsvrtDeviceExtension->VolumeParams = *Params;
FspIoqInitialize(&FsvrtDeviceExtension->Ioq);
RtlCopyMemory(FspFsvrtDeviceExtension(FsvrtDeviceObject)->SecurityDescriptorBuf,
@@ -113,7 +114,6 @@ static NTSTATUS FspFsctlMountVolume(
PVPB SwapVpb = 0;
PDEVICE_OBJECT FsvrtDeviceObject = Vpb->RealDevice;
PDEVICE_OBJECT FsvolDeviceObject;
FSP_FSVOL_DEVICE_EXTENSION *FsvolDeviceExtension;
/* check the passed in volume object; it must be one of our own */
Result = FspDeviceOwned(DeviceObject->DriverObject, FsvrtDeviceObject);
@@ -134,6 +134,7 @@ static NTSTATUS FspFsctlMountVolume(
RtlZeroMemory(SwapVpb, sizeof *Vpb);
/* create the file system device object */
ExAcquireResourceExclusiveLite(&FspFsctlDeviceExtension(DeviceObject)->Resource, TRUE);
Result = IoCreateDevice(DeviceObject->DriverObject,
sizeof(FSP_FSVOL_DEVICE_EXTENSION), 0, DeviceObject->DeviceType,
0, FALSE,
@@ -143,7 +144,8 @@ static NTSTATUS FspFsctlMountVolume(
#pragma prefast(suppress:28175, "We are a filesystem: ok to access SectorSize")
FsvolDeviceObject->SectorSize =
FspFsvrtDeviceExtension(FsvrtDeviceObject)->VolumeParams.SectorSize;
FsvolDeviceExtension = FspFsvolDeviceExtension(FsvolDeviceObject);
FSP_FSVOL_DEVICE_EXTENSION *FsvolDeviceExtension = FspFsvolDeviceExtension(FsvolDeviceObject);
FsvolDeviceExtension->Base.Kind = FspFsvolDeviceExtensionKind;
FsvolDeviceExtension->FsvrtDeviceObject = FsvrtDeviceObject;
FsvolDeviceExtension->SwapVpb = SwapVpb;
ClearFlag(FsvolDeviceObject->Flags, DO_DEVICE_INITIALIZING);
@@ -152,6 +154,7 @@ static NTSTATUS FspFsctlMountVolume(
Irp->IoStatus.Information = 0;
SwapVpb = 0;
}
ExReleaseResourceLite(&FspFsctlDeviceExtension(DeviceObject)->Resource);
/* free swap VPB if we failed */
if (0 != SwapVpb)