FsRtlIsDaxVolume - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers 
// ntifs.h

BOOLEAN FsRtlIsDaxVolume(
  [in] PFILE_OBJECT FileObject
);
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (nf-ntifs-fsrtlisdaxvolume)

FsRtlIsDaxVolume function

Description

This routine queries if the specified file is on a direct access (DAX) volume.

Parameters

FileObject [in]

A file object for a file, on the volume which is being queried.

Return value

Returns true if the file is on a DAX volume; otherwise, false.

Remarks

In DAX volumes, user files are mapped directly to the persistent memory device. Files are then accessed using the memory bus, to help boost system performance.

View the official Windows Driver Kit DDI reference

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