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SubjectRe: iov_iter_pipe warning.
On Fri, Apr 21, 2017 at 06:54:30PM +0100, Al Viro wrote:
> On Wed, Apr 12, 2017 at 03:03:18PM -0400, Dave Jones wrote:
>
> > Well it's been running an hour without incident, which looks promising.
> > I'll leave it run, but I'd say you're on the right track given how quick
> > it reproduced so far.
>
> Could you try this and see if it works? What happens is that unlike
> e.g. generic_file_read_iter/generic_file_write_iter, NFS O_DIRECT handling
> does not make sure that iov_iter had been advanced by the amount
> actually transferred - it is left advanced by the amount *requested*.

Sorry for delay on this, been sick. Just gave this a run for 12 hours.
Looks good to me.

Dave

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