FsRtlCheckFileSystemFilterCallbacksRegistered function (ntifs.h)

The FsRtlCheckFileSystemFilterCallbacksRegistered routine checks whether the driver object has already registered file system filter callbacks under its driver extension field.

Syntax

BOOLEAN FsRtlCheckFileSystemFilterCallbacksRegistered(
  _DRIVER_OBJECT *FilterDriverObject
);

Parameters

FilterDriverObject

[in] Pointer to the driver object for the filter driver or filesystem that might have registered file system filter callbacks.

Return value

FsRtlCheckFileSystemFilterCallbacksRegistered returns TRUE if the driver object has already registered file system filter callbacks; otherwise, it returns FALSE.

Requirements

Requirement	Value
Minimum supported client	Windows 11, version 24H2
Header	ntifs.h