Re: [PATCH] block: move sanity checking ahead of bi_front/back_seg_size updating

[Christoph Hellwig]

On Tue, Sep 19, 2017 at 08:55:59AM +0800, jianchao.wang wrote:
> > But can you elaborate a little more on how this found and if there
> > is a way to easily reproduce it, say for a blktests test case?
> > 
> It is found when I made the patch of 
> 'block: consider merge of segments when merge bio into rq' , not from an actual
> issue or test case.

Same question applies to that one, I just haven't finished understanding
all the changes in it yet.