Re: sendfile from 9p fs into af_alg

From: Alexei Starovoitov
Date: Tue Nov 22 2016 - 23:56:19 EST


On Wed, Nov 23, 2016 at 04:46:26AM +0000, Al Viro wrote:
> On Tue, Nov 22, 2016 at 07:58:29PM -0800, Alexei Starovoitov wrote:
> > Hi Al,
> >
> > it seems the following commit 523ac9afc73a ("switch default_file_splice_read() to use of pipe-backed iov_iter")
> > breaks sendfile from 9p fs into af_alg socket.
> > sendfile into af_alg is used by iproute2/tc.
> > I'm not sure whether it's 9p or crypto or vfs problem, but happy to test any patches.
>
> Could you try -rc6 (or anything that contains 680bb946a1ae04, for that
> matter)?

already tested with that patch in the latest net-next. Still broken :(