Re: rbd-mirror related jewel backports

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Hi Jason,

On 11/08/2016 17:01, Jason Dillaman wrote:
> OK, that's fine with me.  The only ones left on your original list are
> (in order):

Excellent, that makes our work a lot easier :-) I'll start testing https://github.com/ceph/ceph/pull/10678 and once merged it will clear 6 backports.

> 
> http://tracker.ceph.com/issues/16902 (master 10484) (Tue, 2 Aug 2016
> 20:14:54 +0300)
> http://tracker.ceph.com/issues/16950 (master 10574) (Sun, 7 Aug 2016
> 13:33:45 +0300)
> http://tracker.ceph.com/issues/16978 (master 10613) (Tue, 9 Aug 2016
> 16:18:49 +0300)
> 
> On Thu, Aug 11, 2016 at 9:58 AM, Loic Dachary <loic@xxxxxxxxxxx> wrote:
>> I can try to do that, it is simple enough. Because I'm not very familiar with the code base, it is entirely possible that I end up cherry-picking a lot more than what is reasonable when doing that. It is sometime non trivial to figure out when to stop. Who knows: I may end up cherry-picking *everything* from master :-) I'll call for help if it drifts too much.
>>
>> Cheers
>>
>> On 11/08/2016 15:22, Jason Dillaman wrote:
>>> No worries.
>>>
>>> My usual routine just involves pulling up master and jewel branch
>>> merge logs for all RBD-related subdirectories in two terminals (for PR
>>> merge timeline reference), pulling up the original PR to backport, and
>>> then just cherry-pick until a conflict is hit. When that happens, I
>>> locate which previous PR made the conflicting change and cherry-pick
>>> it into the same backport branch.
>>>
>>> With this technique, you'll end up with PRs with the same
>>> cherry-picked commits.  You'll be able to cleanly merge them into a
>>> testing branch, but when it comes time to merge into the jewel branch
>>> you'll need to rebase some PRs to automatically strip out the
>>> duplicate cherry-picks.
>>>
>>> On Wed, Aug 10, 2016 at 5:00 PM, Loic Dachary <loic@xxxxxxxxxxx> wrote:
>>>>
>>>>
>>>> On 10/08/2016 22:14, Jason Dillaman wrote:
>>>>> Loic,
>>>>>
>>>>> If you want, I can create the backport PRs for those tickets.
>>>>
>>>> That would be great. Alternatively, if that's less time consuming for you, just suggest a backport order and I'll figure it out.
>>>>
>>>> Cheers
>>>>
>>>>>
>>>>>
>>>>> On Wed, Aug 10, 2016 at 5:07 AM, Loic Dachary <loic@xxxxxxxxxxx> wrote:
>>>>>> Hi Mykola,
>>>>>>
>>>>>> There are seven rbd-mirror related backports which do not cherry-pick cleanly. I've not looked at each of them yet and I would very much appreciate your advice about the best way to proceed.
>>>>>>
>>>>>> http://tracker.ceph.com/issues/16511
>>>>>> http://tracker.ceph.com/issues/16512
>>>>>> http://tracker.ceph.com/issues/16658
>>>>>> http://tracker.ceph.com/issues/16701
>>>>>> http://tracker.ceph.com/issues/16747
>>>>>> http://tracker.ceph.com/issues/16902
>>>>>> http://tracker.ceph.com/issues/16978
>>>>>>
>>>>>> Maybe they should be cherry-picked in a specific order in order to avoid conflicts ? For instance, maybe one of the pending backports that you can see at
>>>>>>
>>>>>> https://github.com/ceph/ceph/pulls?q=is%3Aopen+is%3Apr+milestone%3Ajewel+label%3Arbd
>>>>>>
>>>>>> would avoid some of the conflicts if merged ? I'm thinking specifically
>>>>>>
>>>>>> https://github.com/ceph/ceph/pull/10646
>>>>>> https://github.com/ceph/ceph/pull/10644
>>>>>>
>>>>>> What I'm looking for, ideally, is a way to order the cherry-picks to avoid any conflict. That may involve backporting a few additional pull requests (for instance when the type of an argument changes from int64_t to uint64_t, that creates a lot of potential conflicts and backporting that change could help, even if it is not required to fix a given bug.
>>>>>>
>>>>>> There are three backports that also do not apply because of a conflict but do not seem to be related to rbd-mirror. Unless you advise otherwise, I'll attempt to resolve these individually and assume there is complex interaction with other backports.
>>>>>>
>>>>>> http://tracker.ceph.com/issues/16950
>>>>>> http://tracker.ceph.com/issues/16904
>>>>>> http://tracker.ceph.com/issues/16735
>>>>>>
>>>>>> Thanks in advance for your guidance !
>>>>>>
>>>>>> --
>>>>>> Loïc Dachary, Artisan Logiciel Libre
>>>>>>
>>>>>> --
>>>>>> To unsubscribe from this list: send the line "unsubscribe ceph-devel" in
>>>>>> the body of a message to majordomo@xxxxxxxxxxxxxxx
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>>>>>
>>>>>
>>>>>
>>>>
>>>> --
>>>> Loïc Dachary, Artisan Logiciel Libre
>>>
>>>
>>>
>>
>> --
>> Loïc Dachary, Artisan Logiciel Libre
> 
> 
> 

-- 
Loïc Dachary, Artisan Logiciel Libre
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