Thread (24 messages) 24 messages, 2 authors, 2018-06-29

Re: dm bufio: Reduce dm_bufio_lock contention

From: Michal Hocko <mhocko@kernel.org>
Date: 2018-06-22 13:10:21
Also in: dm-devel, lkml

On Fri 22-06-18 08:44:52, Mikulas Patocka wrote:
On Fri, 22 Jun 2018, Michal Hocko wrote:
[...]
quoted
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
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