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This routine queries if the specified file is on a direct access (DAX) volume.
Syntax
BOOLEAN FsRtlIsDaxVolume(
[in] PFILE_OBJECT FileObject
);
Parameters
[in] FileObject
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.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 10, version 1607 |
| Minimum supported server | Windows Server 2016 |
| Target Platform | Windows |
| Header | ntifs.h |