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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 |