Re: minleft fixes

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On Wed, Dec 14, 2016 at 06:51:01PM +0800, Eryu Guan wrote:
> On Tue, Dec 13, 2016 at 04:59:23PM +0100, Christoph Hellwig wrote:
> > [now to the correct list address]
> > 
> > This is my attempt to fix the problems with rmap and reflink file system
> > running out of space during delayed extent conversions.  It turns out
> > the way minleft has been handled has always been bogus, but the rmap
> > enablement made it even worse..
> > 
> > This has survived xfstests xfs/109 on a 2k fs for 2 1/2 hour here now,
> > but Eryu was much better than me at reproducing the problems, so it could
> > use some further testing.
> > 
> 
> Test results looked good to me so far. It passed 200 iterations of
> xfs/109 with both xfs_2k_reflink and xfs_1k_reflink test configs. 

Results of full auto group runs with different test configs also look
good to me, I didn't notice any regression. Thanks!

Eryu
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