[PATCH v2 5/5] dax: handle media errors in dax_do_io

[Dan Williams]

On Fri, Apr 15, 2016 at 11:24 AM, Jeff Moyer <jmoyer at redhat.com> wrote:
>> Moreover, we're going to do the full badblocks lookup anyway when we
>> call ->direct_access().  If we had that information earlier we can
>> avoid this fallback dance.
>
> None of the proposed approaches looks clean to me.  I'll go along with
> whatever you guys think is best.  I am in favor of wrapping up all that
> duplicated code, though.

Christoph originally pushed for open coding this fallback decision
per-filesystem.  I agree with you on the "none the above" options are
clean.