On Wed, Mar 22 2017, NeilBrown wrote:

Using r1_bio->sector in call_bio_endio is more
obviously-correct than bio->bi_iter.bi_sector,
though both should have the same value.

The inc_pending() call in handle_read_error() was missing.
One should always accompany a bio_inc_remaining.

Signed-off-by: NeilBrown <redacted>
---

Sorry, I left an unused variable...
NeilBrown

Sorry again - I replied to the wrong email (not a good day...)
and gave the wrong subject.
This should be
  REALLY Fix bugs in [md PATCH 10/15] md/raid1: stop using bi_phys_segment

:-(

NeilBrown