Re: e827091cb1 "block: merge: get the 1st and last bvec via helpers" broken

From: Ming Lin
Date: Sat Mar 12 2016 - 03:04:34 EST

On Fri, Mar 11, 2016 at 11:43 PM, Kent Overstreet
<kent.overstreet@xxxxxxxxx> wrote:
> I don't know exactly how it's broken, but with that patch segment counting is
> broken - I'm seeing blk_rq_map_sg() overrun the end of the sgtable.
> I suggest reverting it for 4.5...

+ Ming Lei