Re: procfs reports unexpected mnt_id and path for overlayfs files

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Any updates on this?

Thanks,
--Saied


On Wed, Apr 15, 2015 at 8:07 AM, Miklos Szeredi <miklos@xxxxxxxxxx> wrote:
> On Wed, Apr 15, 2015 at 10:50 AM, Andrew Vagin <avagin@xxxxxxxx> wrote:
>> Hello Miklos and Everyone else,
>>
>> We have a report that a container with overlayfs can't be checkpointed.
>>
>> To dump file descriptors we get information from /proc/pid/fd/ and /proc/pid/fdinfo.
>>
>> But in case of overlayfs we see unexpected values there.
>>
>> /proc/PID/fdinfo/FD contains mnt_id which isn't presented in /proc/pid/mountinfo.
>> /proc/PID/fd/FD does not contain an absolute path to the opened file.
>>
>> Can someone help to fix these issues?
>
> See this:
>
> https://lkml.org/lkml/2015/3/20/372
>
> Al didn't like that patch.  But it definitely will be fixed, one way
> or the other, in the near future.
>
> Thanks,
> Miklos
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