Re: [PATCH v2] ovl: create directories inside merged parent opaque

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On Wed, Nov 30, 2016 at 1:09 PM, Miklos Szeredi <miklos@xxxxxxxxxx> wrote:
> On Mon, Nov 21, 2016 at 5:57 PM, Amir Goldstein <amir73il@xxxxxxxxx> wrote:
>> The benefit of making directories opaque on creation
>> is that lookups can stop short when they reach the
>> original created directory, instead of continue lookup
>> the entire depth of parent directory stack.
>>
>> The best case is overlay with N layers, performing
>> lookup for first level directory, which exists only in upper.
>> In that case, there will be only one lookup instead of N.
>
> I split this up, changed it around a bit and pushed the result to
> overlayfs-next.
>

Nice cleanup. FYI, you left me as sole S-O-B on the change.
Anyway, it passed my tests.

In case you are still interested, I rebase concurrent copy up
on top of overlay-rorw and pushed to branch #concurrent_copyup
on my github, with slightly improved commit message.
But I guess this merge window is crowded enough already and
I personally much rather see rorw merged than concurrent copy up.

Thanks,
Amir.
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