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From Jie Yu <yujie....@gmail.com>
Subject Re: Review Request 47396: Added aufs provisioning backend.
Date Sun, 12 Jun 2016 18:17:08 GMT


> On June 7, 2016, 2:09 a.m., Guangya Liu wrote:
> > src/tests/environment.cpp, lines 492-495
> > <https://reviews.apache.org/r/47396/diff/4/?file=1407798#file1407798line492>
> >
> >     I think that here also needs to be updated to use your new function `fs::aufs::supported()`
to check `aufs`?
> 
> Jie Yu wrote:
>     Hum... this looks weird to me. I am wondering if we can make `fs::supported` understand
the sutble details related to overlayfs? Can you guys follow up with a patch. Basically, here,
it should be `Try<bool> check = fs::supported(fsname);` and inside `fs::supported`,
we check special case for overlayfs.
> 
> Guangya Liu wrote:
>     I'm now thinking that we may not need the API of `fs::aufs::supported`, the reason
that we introduced `fs::overlay::supported` is becuase of keyword issue, the overlay fs keyword
in `/proc/filesystems` can be `overlay` or `overlayfs`.
>     
>     But for `aufs`, I think we do not need to introduce the new API of `fs::aufs::supported`
but call `fs::supported` directly, as the API of `fs::aufs::supported` is just a wrapper of
`fs::supported`. Comments?

Yeah, I agree with you Guangya. I think we should make `fs::supported(fsname)` understand
both overlayfs and overlay and get rid of all fs::xxx::supported logics. Do you have time
to follow up with a patch?


- Jie


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https://reviews.apache.org/r/47396/#review136392
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On June 6, 2016, 11:57 p.m., Shuai Lin wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/47396/
> -----------------------------------------------------------
> 
> (Updated June 6, 2016, 11:57 p.m.)
> 
> 
> Review request for mesos, Gilbert Song, Guangya Liu, and Jie Yu.
> 
> 
> Bugs: MESOS-4672
>     https://issues.apache.org/jira/browse/MESOS-4672
> 
> 
> Repository: mesos
> 
> 
> Description
> -------
> 
> Added aufs provisioning backend.
> 
> 
> Diffs
> -----
> 
>   src/Makefile.am a08ea407d631f6ae56ac36b122bfdf0e849e8b56 
>   src/slave/containerizer/mesos/provisioner/backend.cpp b2a20b7c08fa790da09ba05b725248e42b8d3bc4

>   src/slave/containerizer/mesos/provisioner/backends/aufs.hpp PRE-CREATION 
>   src/slave/containerizer/mesos/provisioner/backends/aufs.cpp PRE-CREATION 
>   src/tests/containerizer/provisioner_backend_tests.cpp bc04760c9504ea55cd4bb72c7e9012e43a5911aa

>   src/tests/environment.cpp 849e9ce05864f6ec1a736dfc1a7a31d2364c84bf 
> 
> Diff: https://reviews.apache.org/r/47396/diff/
> 
> 
> Testing
> -------
> 
> - Make check on ubuntu 14.04 64bit
> - Test manually: start slave with aufs backend, and write a simple script that launches
tasks with alpine/ubuntu images
> 
> 
> Thanks,
> 
> Shuai Lin
> 
>


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