Re: [PATCH 3/3] ovl: redirect on rename-dir

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On Mon, Nov 7, 2016 at 10:58 AM, Konstantin Khlebnikov <koct9i@xxxxxxxxx> wrote:

> I've stumbled on somehow related problem - concurrent copy-ups are
> strictly serialized by rename locks.
> Obviously, file copying could be done in parallel: locks are required
> only for final rename.
> Because of that overlay slower that aufs for some workloads.

Easy to fix: for each copy up create a separate subdir of "work".
Then the contention is only for the time of creating the subdir, which
is very short.

Thanks,
Miklos
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