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IoUnregisterFsRegistrationChange routine

The IoUnregisterFsRegistrationChange routine unregisters file system filter driver's file system registration change notification routine.

Syntax


VOID IoUnregisterFsRegistrationChange(
  _In_ PDRIVER_OBJECT          DriverObject,
  _In_ PDRIVER_FS_NOTIFICATION DriverNotificationRoutine
);

Parameters

DriverObject [in]

Pointer to the driver object for the filter driver.

DriverNotificationRoutine [in]

A pointer to the PDRIVER_FS_NOTIFICATION routine, which the file system calls when it registers or unregisters itself.

Return value

None

Remarks

IoUnregisterFsRegistrationChange unregisters a file system filter driver's notification routine so that it is no longer called whenever a file system calls IoRegisterFileSystem or IoUnregisterFileSystem. IoUnregisterFsRegistrationChange also decrements the reference count on the filter driver's driver object.

Requirements

Target platform

Universal

Header

Ntifs.h (include Ntifs.h)

Library

NtosKrnl.lib

DLL

NtosKrnl.exe

IRQL

< DISPATCH_LEVEL

See also

IoRegisterFileSystem
IoRegisterFsRegistrationChange
IoUnregisterFileSystem

 

 

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