CcGetFileObjectFromBcb function (ntifs.h)

Given a pointer to a pinned buffer control block (BCB) for a file, the CcGetFileObjectFromBcb routine returns a pointer to the file object that the cache manager is using for that file.

Syntax

PFILE_OBJECT CcGetFileObjectFromBcb(
  [in] PVOID Bcb
);

Parameters

[in] Bcb

Pointer to the pinned BCB.

Return value

Pointer to the file object, or NULL if the file is not cached or is no longer cached.

Remarks

The file object pointer is guaranteed to remain valid as long as the BCB exists.

Requirements

See also

CcMapData

CcPinMappedData

CcPinRead

CcPreparePinWrite