Messages in this thread | | | Date | Sat, 12 Mar 2016 16:49:41 +0800 | Subject | Re: e827091cb1 "block: merge: get the 1st and last bvec via helpers" broken | From | Ming Lei <> |
| |
On Sat, Mar 12, 2016 at 3:43 PM, Kent Overstreet <kent.overstreet@gmail.com> 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...
Kent, could you share your test case? I'd like to figure out the root cause.
BTW, I don't object to revert it given it is close to v4.5 release, but I am curious how it breaks segment couting.
Thanks, Ming Lei
| |