linux-kernel - Re: reiser4 for 2.6.27-rc1

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Message-ID: <a08621850808040418wf7c7a4awe192eeb6865cf975@mail.gmail.com>
Date:	Mon, 4 Aug 2008 13:18:21 +0200
From:	"Dushan Tcholich" <dusanc@...il.com>
To:	"Edward Shishkin" <edward.shishkin@...il.com>
Cc:	"Ryan Hope" <rmh3093@...il.com>, "Theodore Tso" <tytso@....edu>,
	"Ric Wheeler" <ricwheeler@...il.com>,
	LKML <linux-kernel@...r.kernel.org>,
	"Reiserfs mailing list" <reiserfs-devel@...r.kernel.org>
Subject: Re: reiser4 for 2.6.27-rc1

Well as I remember akpm and hch both said that these "plugins" are
just a way of modular programing, and not layering violation, but I
just can't find those mails now, there were a lot of them.


On Mon, Aug 4, 2008 at 1:11 PM, Edward Shishkin
<edward.shishkin@...il.com> wrote:
> Ryan Hope wrote:
>> So the purpose of that "plugins" document is just to "defend" the
>> present state of the reiser4 code?
>>
>
> Yes. In particular.
>
> Plugins stuff is a way of data storage optimization and its
> removing definitely would be a mistake. What can arise here
> again is complaints about "layering violation". However,
> addressing them doesn't necessarily mean removing the whole
> plugin stuff. I hope that this document will help such discussions
> to be more constructive.
>
> Thanks,
> Edward.
>
>> On Sat, Aug 2, 2008 at 6:56 PM, Edward Shishkin
>> <edward.shishkin@...il.com> wrote:
>>
>>> Ryan Hope wrote:
>>>
>>>> Can you explain a little more what this "plugin design documentation"
>>>> actually is and how it supposed to help?
>>>> -Ryan
>>>>
>>>>
>>>>
>>> This document is to define plugins, etc primitives (like conversion
>>> of run-time objects) used in reiser4, and to describe all reiser4
>>> interfaces, so that it will be clear that VFS functionality is not
>>> duplicated, there are not VFS layers inside reiser4, etc. (many items
>>> are devoted to interaction between VFS and reiser4).
>>> I am sorry, but these concepts (which are very central) have not been
>>> worked out carefully enough at the moment of this 3-year-old review:
>>> http://kerneltrap.org/node/5330
>>>
>>> Edward.
>>>
>>>
>>>> On Fri, Aug 1, 2008 at 6:40 PM, Edward Shishkin
>>>> <edward.shishkin@...il.com> wrote:
>>>>
>>>>
>>>>> Ric Wheeler wrote:
>>>>>
>>>>>
>>>>>> Theodore Tso wrote:
>>>>>>
>>>>>>
>>>>>>> On Fri, Aug 01, 2008 at 12:34:53PM -0400, Ryan Hope wrote:
>>>>>>>
>>>>>>>
>>>>>>>
>>>>> Hi, I am here :)
>>>>> Join our mailing list:
>>>>>
>>>>> http://vger.kernel.org/vger-lists.html#reiserfs-devel
>>>>> http://marc.info/?l=reiserfs-devel&r=1&w=2
>>>>>
>>>>> There are many interesting tasks to resolve/investigate..
>>>>>
>>>>>
>>>>>
>>>>>>>> Hmmm, removing the plugin support might not be so hard....  I might
>>>>>>>> have to try this...
>>>>>>>>
>>>>>>>>
>>>>> Please, don't try to do this.
>>>>>
>>>>> I am working on the plugin design document. It will be ready
>>>>> approximately in September. I believe that it'll address all the
>>>>> mentioned complaints.
>>>>>
>>>>>
>>>>>
>>>>>>>> I am not impressed with btrfs yet.
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>> Well, if you're going to work on reiser4 (and I think there were other
>>>>>>> people who had also expressed interest/plans to work on it; you might
>>>>>>> try doing a search on the various mailing lists so you can coordinate
>>>>>>> with them and avoid duplicating work), my suggestion to you would be
>>>>>>> to find the comments that were made by the reviewers way back when,
>>>>>>> and make sure those comments have been addressed.
>>>>>>>
>>>>>>> Then, re-requests a code review, and promise that you won't abuse, and
>>>>>>> insult the integrity and impugn the motivations of the reviewers
>>>>>>>
>>>>>>>
>>>>> Well, Ted, I'll promise ;)
>>>>> We'll adhere strictly the propositional logic in the review thread..
>>>>>
>>>>> Thanks,
>>>>> Edward.
>>>>>
>>>>>
>>>>>
>>>>>>> like
>>>>>>> Hans did, and hopefully after they review the code, fix those problems
>>>>>>> as well.  Then you can try resubmitting for inclusion.
>>>>>>>
>>>>>>> Best regards,
>>>>>>>
>>>>>>>                                              - Ted
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>> My most up to date information is that Edward is still actively
>>>>>> working on reiser4....
>>>>>>
>>>>>> ric
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>
>>
>
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