Re: [patch 1/7] procfs: Add ability to plug in auxiliary fdinfo providers

From: Pavel Emelyanov
Date: Thu Sep 27 2012 - 09:01:13 EST


On 09/17/2012 10:18 PM, Cyrill Gorcunov wrote:
> On Thu, Sep 13, 2012 at 01:29:07AM +0400, Cyrill Gorcunov wrote:
>> This patch brings ability to print out auxiliary data associated
>> with file in procfs interface /proc/pid/fdinfo/fd.
>>
>> In particular further patches make eventfd, evenpoll, signalfd
>> and fsnotify to print additional information complete enough
>> to restore these objects after checkpoint.
>>
>> To simplify the code we add show_fdinfo callback inside
>> struct file_operations (as Al and Pavel are proposing).
>>
>
> Hi, sorry for bothering but is there some opinions on this series?

Al, we'd appreciate if you share your plans about this series. Please.

> (I've found that epoll change log has not been well refreshed and
> says that this fdinfo feature is config-checkpoint-restore dependant,
> but in real this config entry was ripped off during conversation).
>
> So, at moment I somehow confused since it's a bit unclear where to
> move, either this series is more-less acceptible or not. I could
> bring back all config-checkpoint-restore dependency (since I still
> believe this feature better to be enabled not by default but iif
> user has asked fo it).
> .
>

Thanks,
Pavel
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