[PATCHv3 09/10] blk-integrity: consider entire bio list for merging

[Christoph Hellwig]

On Wed, Sep 04, 2024 at 08:26:04AM -0700, Keith Busch wrote:
> From: Keith Busch <kbusch at kernel.org>
> 
> If a bio is merged to a req, the entire bio list is merged, so don't
> temporarily unchain it when counting segments for consideration.

As far as I can tell we never do merge decisions on bio lists.  If
bi_next is non-NULL here it probably is due to scheduler lists or
something like it.