> > > According to the tentative changelog in the wiki, 3.7 will properly > > > support per-file NOCOW. I think this is misleading. In particular, it > > > still does not work correctly in the case when the NOCOW flag of a new > > > flag is being inherited from the directory. I think it would be better > > > to remove that item from the changelog until the the fix [1] is > > > merged. > > > [1] https://patchwork.kernel.org/patch/1438431/ > > > > You're right, the patch is not in 3.7-rc nor in btrfs-next, and fixes a > > real bug. > > > > Technically it is a regresssion within the 3.7 cycle (so it could even > > go to a late -rc), in any case it's a small change that could also go > > through the stable tree. > > > > david > > Well, I'll resend it for merge with Marios's reported-by and your Reviewed-by. > > Don't worry, it's a good fix though. I'm using your patch on 2 boxes for 2 months. It is the only way to get decent performance on my workload. Thanks for the patch! Tested-by: Sergei Trofimovich <slyich@xxxxxxxxx> -- Sergei
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