[PATCHv4 03/10] blk-integrity: properly account for segments

[Martin K. Petersen]

Keith,

> Both types of merging when integrity data is used are miscounting the
> segments:
>
> Merging two requests wasn't accounting for the new segment count, so
> add the "next" segment count to the first on a successful merge to
> ensure this value is accurate.
>
> Merging a bio into an existing request was double counting the bio's
> segments, even if the merge failed later on. Move the segment
> accounting to the end when the merge is successful.

Reviewed-by: Martin K. Petersen <martin.petersen at oracle.com>

-- 
Martin K. Petersen	Oracle Linux Engineering