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sys: FspFsctlDeviceVolumeCreated, FspFsctlDeviceVolumeDeleted

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This commit is contained in:
Bill Zissimopoulos
2015-12-01 21:48:03 -08:00
parent 763d4666a7
commit 1312754016
4 changed files with 61 additions and 19 deletions
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30
src/sys/device.c
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@ -22,6 +22,8 @@ static NTSTATUS FspFsvolDeviceInit(PDEVICE_OBJECT DeviceObject);
static VOID FspFsvolDeviceFini(PDEVICE_OBJECT DeviceObject);
BOOLEAN FspDeviceRetain(PDEVICE_OBJECT DeviceObject);
VOID FspDeviceRelease(PDEVICE_OBJECT DeviceObject);
VOID FspFsctlDeviceVolumeCreated(PDEVICE_OBJECT DeviceObject);
VOID FspFsctlDeviceVolumeDeleted(PDEVICE_OBJECT DeviceObject);
NTSTATUS FspDeviceCopyList(
PDEVICE_OBJECT **PDeviceObjects, PULONG PDeviceObjectCount);
VOID FspDeviceDeleteList(
@ -38,6 +40,8 @@ VOID FspDeviceDeleteAll(VOID);
#pragma alloc_text(PAGE, FspFsvrtDeviceFini)
#pragma alloc_text(PAGE, FspFsvolDeviceInit)
#pragma alloc_text(PAGE, FspFsvolDeviceFini)
#pragma alloc_text(PAGE, FspFsctlDeviceVolumeCreated)
#pragma alloc_text(PAGE, FspFsctlDeviceVolumeDeleted)
#pragma alloc_text(PAGE, FspDeviceCopyList)
#pragma alloc_text(PAGE, FspDeviceDeleteList)
#pragma alloc_text(PAGE, FspDeviceDeleteAll)
@ -241,6 +245,30 @@ VOID FspDeviceRelease(PDEVICE_OBJECT DeviceObject)
FspDeviceDelete(DeviceObject);
}
VOID FspFsctlDeviceVolumeCreated(PDEVICE_OBJECT DeviceObject)
{
PAGED_CODE();
ASSERT(FspFsctlDeviceExtensionKind == FspDeviceExtension(DeviceObject)->Kind);
ASSERT(ExIsResourceAcquiredExclusiveLite(&FspDeviceExtension(DeviceObject)->Resource));
ULONG FsvrtDeviceObjectCount = FspFsctlDeviceExtension(DeviceObject)->FsvrtDeviceObjectCount++;
if (0 == FsvrtDeviceObjectCount)
IoRegisterFileSystem(DeviceObject);
}
VOID FspFsctlDeviceVolumeDeleted(PDEVICE_OBJECT DeviceObject)
{
PAGED_CODE();
ASSERT(FspFsctlDeviceExtensionKind == FspDeviceExtension(DeviceObject)->Kind);
ASSERT(ExIsResourceAcquiredExclusiveLite(&FspDeviceExtension(DeviceObject)->Resource));
ULONG FsvrtDeviceObjectCount = --FspFsctlDeviceExtension(DeviceObject)->FsvrtDeviceObjectCount;
if (0 == FsvrtDeviceObjectCount)
IoUnregisterFileSystem(DeviceObject);
}
NTSTATUS FspDeviceCopyList(
PDEVICE_OBJECT **PDeviceObjects, PULONG PDeviceObjectCount)
{
@ -250,7 +278,7 @@ NTSTATUS FspDeviceCopyList(
ULONG DeviceObjectCount = 0;
while (STATUS_BUFFER_TOO_SMALL == IoEnumerateDeviceObjectList(FspDriverObject,
DeviceObjects, DeviceObjectCount, &DeviceObjectCount))
DeviceObjects, sizeof *DeviceObjects * DeviceObjectCount, &DeviceObjectCount))
{
if (0 != DeviceObjects)
ExFreePoolWithTag(DeviceObjects, FSP_TAG);