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From Jie Yu <>
Subject Review Request 46858: Skipped the bind mounting of the agent's work_dir if possible.
Date Fri, 29 Apr 2016 22:19:47 GMT

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Review request for mesos, Gilbert Song, Ian Downes, and Timothy Chen.

Bugs: MESOS-5239

Repository: mesos


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


  src/slave/containerizer/mesos/isolators/filesystem/linux.cpp a6e748ae777b6280f5dab0a6fec7305f931f2c22



sudo make check


Jie Yu

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