> On May 2, 2016, 10:17 p.m., Timothy Chen wrote:
> > src/slave/containerizer/mesos/isolators/filesystem/linux.cpp, line 113
> > <https://reviews.apache.org/r/46858/diff/2/?file=1369065#file1369065line113>
> >
> >     Trying to understand the new logic here, when do we expect the agent to 
> > mount workdir so that we can find it here?

We use 'strings::startsWith' to find a mount that contains slave's work_dir. It 
has to be something. For instance, '/' or '/var', or '/var/lib/mesos'. If the 
mount is not found, it means something really wrong happens in the mount table.


- Jie


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On May 2, 2016, 9:04 p.m., Jie Yu wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/46858/
> -----------------------------------------------------------
> 
> (Updated May 2, 2016, 9:04 p.m.)
> 
> 
> Review request for mesos, Gilbert Song, Ian Downes, and Timothy Chen.
> 
> 
> Bugs: MESOS-5239
>     https://issues.apache.org/jira/browse/MESOS-5239
> 
> 
> Repository: mesos
> 
> 
> Description
> -------
> 
> In filesystem/linux isolator, we will need to make sure the mount that
> contains the agent's working directory is a shared mount in its own
> peer group so that cloning the host mount table (e.g., when launching
> a container with a new mount namespace) does not create an extra
> reference to the mounts under the agent's work_dir.
> 
> However, if the mount containing the agent's working directory is
> already a shared mount in its own peer group, we don't have to create
> another bind mount for the agent's working directory. This patch
> allows the filesystem/linux isolator to skip the bind mount if
> possible.
> 
> 
> Diffs
> -----
> 
>   src/slave/containerizer/mesos/isolators/filesystem/linux.cpp 
> 8805143a2e5569a3479bbeab26cda12d2cd396a9 
>   src/tests/containerizer/filesystem_isolator_tests.cpp 
> 29d313051865761306029f331eb36684c3252ffb 
> 
> Diff: https://reviews.apache.org/r/46858/diff/
> 
> 
> Testing
> -------
> 
> sudo make check
> 
> 
> Thanks,
> 
> Jie Yu
> 
>

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