[CRIU] OverlayFS Patch

[Gabriel Guimaraes]

Sorry for spamming the email list. My internship ends this Friday so I'm
cc'ing my gmail, so I can keep working on it even after I don't have my @
google.com email anymore.

On Tue, Aug 4, 2015 at 11:28 AM, Gabriel Guimaraes <guimaraesg at google.com>
wrote:

>
>
> On Tue, Aug 4, 2015 at 11:28 AM, Gabriel Guimaraes <guimaraesg at google.com>
> wrote:
>
>>
>>
>> On Tue, Aug 4, 2015 at 11:28 AM, Gabriel Guimaraes <guimaraesg at google.com
>> > wrote:
>>
>>>
>>>
>>> On Tue, Aug 4, 2015 at 10:39 AM, Gabriel Guimaraes <
>>> guimaraesg at google.com> wrote:
>>>
>>>> Hi Pavel,
>>>>
>>>> Filipe said I should create an open pull request, which is simpler:
>>>>
>>>> https://github.com/xemul/criu/pull/15
>>>>
>>>> If you still want me to break down the patch and send you via email I
>>>> can also do that.
>>>>
>>>> Best,
>>>> Gabriel
>>>>
>>>> On Tue, Aug 4, 2015 at 10:17 AM, Pavel Emelyanov <xemul at parallels.com>
>>>> wrote:
>>>>
>>>>> On 08/03/2015 11:27 PM, Gabriel Guimaraes wrote:
>>>>> > Hi Pavel,
>>>>> >
>>>>> > I believe Saied has already talked to you about this patch. It
>>>>> enables the --overlayfs flag in CRIU which
>>>>> > compensates for the OverlayFS bug in the Linux Kernel before version
>>>>> 4.2 (more about the bug at
>>>>> > http://criu.org/Docker). More detailed information can be found in
>>>>> the patch itself.
>>>>>
>>>>> Great :) But I see 3 patches inside. Would you split the e-mails too?
>>>>>
>>>>> > We did not implement a very sophisticated error checking mechanism,
>>>>> so an error such as "buffer too small"
>>>>> > within __lookup_overlayfs will be printed but won't necessarily make
>>>>> CRIU abort. If you'd like, we can
>>>>> > change that, but in my opinion this would make the code a lot more
>>>>> complicated with few gains, since it's
>>>>> > already easy to debug what error happened as is.
>>>>>
>>>>> Sure, let's keep this simple all the more so this is a workaround that
>>>>> will go away soon.
>>>>>
>>>>> -- Pavel
>>>>>
>>>>>
>>>>
>>>
>>
>
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