Re: iov_iter_pipe warning.

From: Dave Jones
Date: Fri Apr 28 2017 - 22:14:21 EST


On Fri, Apr 28, 2017 at 07:25:12PM +0100, Al Viro wrote:
> On Fri, Apr 28, 2017 at 06:20:25PM +0100, Al Viro wrote:
> > On Fri, Apr 28, 2017 at 12:50:24PM -0400, Dave Jones wrote:
> > > currently running v4.11-rc8-75-gf83246089ca0
> > >
> > > sunrpc bit is for the other unrelated problem I'm chasing.
> > >
> > > note also, I saw the backtrace without the fs/splice.c changes.
> >
> > Interesting... Could you add this and see if that triggers?
>
> Gyah... It's a bloody dumb braino in iov_iter_revert() for pipe-backed
> ones. Sorry, the oneliner below should fix it.

5 hrs in, looking good so far.

Dave