On Mon, May 07, 2018 at 10:21:04PM +0900, Tetsuo Handa wrote:
> > I don't understand your concern; where are we going to out_putf when
> > error == 0?
Ah, now I see it, thanks. I'll send a revised patch.
> By the way, are you aware that current "/* Avoid recursion */" loop is not
> thread safe?
Actually, it is safe. While the child loop device has an open file on
the parent, lo_refcnt is elevated, which prevents loop_clr_fd from
actually set setting lo_state to Lo_rundown and clearing
lo_backing_file
- Ted
