Re: Something badly broken with the latest XFS changeset in all stable kernels?

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On Wed, Jun 15, 2016 at 07:28:31AM +0200, Willy Tarreau wrote:
> On Tue, Jun 14, 2016 at 06:30:56PM -0700, Greg KH wrote:
> > As the patch was tagged with 3.10+, I assumed that it was safe to be
> > merged to those older kernels, otherwise I would never have done so.  We
> > do have ways to mark external things like this for stable patches, it's
> > a great help when doing backports.
> 
> I guess only 3.14.72 was affected in the end. 3.18.35 has the fix but my
> understanding is that after 3.17 it's OK.

Correct.

> Apparently it's not yet queued
> for 3.16.

The queue for 3.16 has a different bunch of XFS stuff that I've
previous said is pretty risky and not advisable to back port (the
mmaplock stuff). I'm waiting for that to get to users and a new
bunch of whacky problems to be reported...

> Jiri has queued it for 3.12 but not yet released it. For 3.10
> I only pick patches that are already in a 3.14 release so I didn't have
> the time to backport it to 3.10 yet as the preview started before the
> release.

Just lucky, eh?

> Overall the regression lived only 8 days in a single branch, I
> guess it shows that our process works rather well and limits the exposure
> to regressions.

That it got as far as release and it took so long to get to the
upstream maintainers shows the process could do with being improved.

Cheers,

Dave.
-- 
Dave Chinner
david@xxxxxxxxxxxxx
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