Re: [PATCH] xfs: always free inline data before resetting inode fork during ifree

[Sasha Levin]

On Wed, Mar 28, 2018 at 03:21:48PM +0200, Michal Hocko wrote:
>On Tue 27-03-18 19:54:35, Luis R. Rodriguez wrote:
>> On Tue, Mar 27, 2018 at 09:06:37AM +0200, Michal Hocko wrote:
>> > So by no means the MM backports were reviewed by me. And considering how hard
>> > it is to get any review for MM patches in general I strongly suspect that
>> > others didn't review either.
>> >
>> > In general I am quite skeptical about the automagic backports
>> > selections, to be honest. MM patches should be reasonably good at
>> > selecting stable backports and adding more patches on top just risks
>> > regressions.
>>
>> BTW other than suggesting we needing *actual review* of the MM patches, are
>> there known unit tests which could be run as well? Thinking long term.
>
>There are some in selftests but most fixes are quite hard to get a
>specialized testcase for. Rememeber the MM is a pile of heuristics to
>handle large scale of workloads.

Would running mmtests for each patch help here at all?

--
Thanks,
Sasha