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On Mon, 14 Oct 2013 15:50:36 -0400 |
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Rich Freeman <rich0@g.o> wrote: |
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> On Mon, Oct 14, 2013 at 2:58 PM, David Leverton |
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> <levertond@××××××××××.com> wrote: |
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> > |
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> > If only someone would invent some sort of kernel feature that could |
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> > make the name "/etc/mtab" refer to different files in different |
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> > processes.... |
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> > |
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> |
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> However, FWIW, linux namespaces cannot be used to have only a single |
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> file appear differently to different processes. Mount namespaces can |
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> only operate at the directory level. |
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This is not true. Bind mounts can be performed on a single file, and |
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bind mounts are part of mount namespaces. Granted the target file _must_ |
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exist (it could be a dead symlink, or a symlink to /dev/null) before |
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performing the bind mount. |
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