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Review request for mesos and Jie Yu. Bugs: MESOS-6118 https://issues.apache.org/jira/browse/MESOS-6118 Repository: mesos Description ------- It is legal to have entries in a `MountInfoTable` whose `entry.id` is the same as `entry.parent`. This can happen (for example), if a system boots from the network and then keeps the original `/` in RAM. However, to avoid cycles when walking the mount hierarchy, we should not treat these entries as children of their parent so we skip them. This commit adds functionality to handle this case. Diffs ----- src/linux/fs.cpp 4b10141a49dfb3c6defdb07e295eb14cfcdd36ce Diff: https://reviews.apache.org/r/52596/diff/ Testing ------- GTEST_FILTER="" make -j40 check GTEST_FILTER="FsTest.MountInfoTableReadSorted" src/mesos-tests Thanks, Kevin Klues