Re: dm bufio: Reduce dm_bufio_lock contention

From: Michal Hocko
Date: Fri Jun 22 2018 - 09:10:24 EST


On Fri 22-06-18 08:44:52, Mikulas Patocka wrote:
> On Fri, 22 Jun 2018, Michal Hocko wrote:
[...]
> > Why? How are you going to audit all the callers that the behavior makes
> > sense and moreover how are you going to ensure that future usage will
> > still make sense. The more subtle side effects gfp flags have the harder
> > they are to maintain.
>
> I did audit them - see the previous email in this thread:
> https://www.redhat.com/archives/dm-devel/2018-June/thread.html

I do not see any mention about throttling expectations for those users.
You have focused only on the allocation failure fallback AFAIR
--
Michal Hocko
SUSE Labs