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

--
Michal Hocko
SUSE Labs

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