143         fd: RawFd,  in add_rw_op()
283         fd: RawFd,  in add_write()
304         fd: RawFd,  in add_read()
318         fd: RawFd,  in add_writev_iter()
352         fd: RawFd,  in add_writev()
376         fd: RawFd,  in add_readv_iter()
410         fd: RawFd,  in add_readv()
449     pub fn add_fsync(&self, fd: RawFd, user_data: UserData) -> Result<()> {  in add_fsync()
468         fd: RawFd,  in add_fallocate()
499         fd: RawFd,  in add_poll_fd()
521         fd: RawFd,  in remove_poll_fd()
625     fn as_raw_fd(&self) -> RawFd {  in as_raw_fd()
869         fd: RawFd,  in check_one_read()
887         fd: RawFd,  in check_one_readv()