FltGetIoPriorityHintFromFileObject function (fltkernel.h)

The FltGetIoPriorityHintFromFileObject routine is used by a minifilter driver to get IO priority information from a file object.

Syntax

IO_PRIORITY_HINT FLTAPI FltGetIoPriorityHintFromFileObject(
  [in] PFILE_OBJECT FileObject
);

[in] FileObject

A pointer to a file object. This parameter is required and cannot be NULL.

The FltGetIoPriorityHintFromFileObject routine returns an IO priority hint retrieved from a file object.

If the FileObject does not have a priority, the routine returns IoPriorityNormal.

If an error occurs retrieving the priority, the routine returns IoPriorityNormal.

This routine is NONPAGED and can be called from paging IO paths.

Requirement	Value
Minimum supported client	Available in Windows Vista and later Windows operating systems.
Target Platform	Universal
Header	fltkernel.h (include FltKernel.h)
Library	FltMgr.lib
DLL	Fltmgr.sys
IRQL	<= DISPATCH_LEVEL