FsRtlGetBypassIoOpenCount macro (ntifs.h)
FsRtlGetBypassIoOpenCount returns a count of how many BypassIO opens there are for a given stream.
Syntax
void FsRtlGetBypassIoOpenCount(
_fo
);
Parameters
_fo
The file object on which the query is being made.
Return value
None
Remarks
When FSRTL_ADVANCED_FCB_HEADER.Version is >= FSRTL_FCB_HEADER_V4, FsRtlGetBypassIoOpenCountPtr returns the current value of that structure's BypassIoOpenCount field. This routine returns zero for earlier version numbers, which do not have a BypassIoOpenCount field.
See BypassIO for filter drivers for more information.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 11 |
| Header | ntifs.h |