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cgroup/v1: introduce mount flags to mountFsRO #3350
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Currently mount flags are lost when remounting a mountpoint read-only. This changes it such that mountFsRO takes a flags parameter, and adds MS_BIND, MS_REMOUNT, MS_RDONLY. Fixes rkt#3286
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Currently mount flags are lost when remounting a mountpoint read-only.
This changes it such that mountFsRO takes a flags parameter, and adds
MS_BIND, MS_REMOUNT, MS_RDONLY.
Fixes #3286