OpenOwner
inline uint64 OpenOwner() const;
state->fClientID, OPEN4_CREATE, fFileSystem->OpenOwner(), name,
OPEN4_NOCREATE, fFileSystem->OpenOwner(),
create ? OPEN4_CREATE : OPEN4_NOCREATE, fFileSystem->OpenOwner(),
OPEN4_NOCREATE, fFileSystem->OpenOwner(), NULL, NULL, 0, false,