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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

IRQL

< DISPATCH_LEVEL

See also

IoRegisterFileSystem
IoRegisterFsRegistrationChange
IoUnregisterFileSystem

 

 

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