For review: user_namespace(7) man page

Michael Kerrisk (man-pages) mtk.manpages at
Thu Sep 11 14:40:12 UTC 2014

On 09/09/2014 09:16 AM, Eric W. Biederman wrote:
>>> On a related note.  One thing that has come up recently (in 3 separate
>>> >> implementations is that mount(MS_REMOUNT|...,...) must include all of
>>> >> the mount flags that need to be preserved.   People creating read-only
>>> >> bind mounts tend to miss that and the locked flags in mount namespaces.
>>> >> That issue was flushed out now that the kernel is now not allowing most
>>> >> mount flags to be cleared in mount namespaces.
>> >
>> > So, are you meaning that something needs to be added to the page
>> > regarding this point?
> Yes.  The interface is non-intuitive and we should at least document
> the weirdness.

Okay -- I have added that piece to mount(2).



Michael Kerrisk
Linux man-pages maintainer;
Linux/UNIX System Programming Training:

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