Review Request 45500: Fix Mesos-1104, linux/fs.hpp remove mesos::internal:: should be enough.

[Deshi Xiao]

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Review request for mesos and haosdent huang.


Bugs: MESOS-1104
    https://issues.apache.org/jira/browse/MESOS-1104


Repository: mesos


Description
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other exists code under src/linux/, e.g. perf.hpp, ns.hpp
I think remove mesos::internal:: should be enough.


Diffs
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  src/linux/fs.hpp 4525a5d5566e2bc913894e993ac7350f1bbd9cc0 

Diff: https://reviews.apache.org/r/45500/diff/


Testing
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make check on mac_osx 11


Thanks,

Deshi Xiao