Re: [PATCH v2] timens: show clock symbolic names in /proc/pid/timens_offsets

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Andrei Vagin <avagin@xxxxxxxxx> writes:
> On Sat, Apr 11, 2020 at 08:40:31AM -0700, Andrei Vagin wrote:
>> Michael Kerrisk suggested to replace numeric clock IDs on symbolic
>> names.
>> 
>> Now the content of these files looks like this:
>> $ cat /proc/774/timens_offsets
>> monotonic      864000         0
>> boottime      1728000         0
>> 
>> For setting offsets, both representations of clocks can be used.
>> 
>> As for compatibility, it is acceptable to change things as long as
>> userspace doesn't care. The format of timens_offsets files is very
>> new and there are no userspace tools that rely on this format.
>> 
>> But three projects crun, util-linux and criu rely on the interface of
>> setting time offsets and this is why we need to continue supporting the
>> clock IDs in this case.
>> 
>> Fixes: 04a8682a71be ("fs/proc: Introduce /proc/pid/timens_offsets")
>> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
>> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
>> Cc: Eric W. Biederman <ebiederm@xxxxxxxxxxxx>
>> Cc: Dmitry Safonov <0x7f454c46@xxxxxxxxx>
>> Acked-by: Michael Kerrisk <mtk.manpages@xxxxxxxxx>                                                                                                                                            
>
> Thomas and Andrew, could you merge this patch? I am sorry, I used the
> wrong subsystem prefix. Let me know if I need to send the third version
> of this patch.

Picking it up.



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