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IoUnregisterFileSystem function (ntifs.h)
The IoUnregisterFileSystem routine removes a file system's control device object from the global file system queue.
Syntax
VOID IoUnregisterFileSystem(
[in] PDEVICE_OBJECT DeviceObject
);
Parameters
[in] DeviceObject
Pointer to the control device object for the file system.
Return value
None
Remarks
IoUnregisterFileSystem unregisters the file system as an active file system by removing the file system's control device object from the global file system queue, and decrements the reference count on the file system's control device object.
IoUnregisterFileSystem calls the notification routines of file system filter drivers that have registered for this notification by calling IoRegisterFsRegistrationChange.
Requirements
| Requirement | Value |
|---|---|
| Target Platform | Universal |
| Header | ntifs.h (include Ntifs.h) |
| Library | NtosKrnl.lib |
| DLL | NtosKrnl.exe |
| IRQL | < DISPATCH_LEVEL |
See also
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