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Re: [RFT] major libata update

From:  Jeff Garzik <jeff-AT-garzik.org>
To:  Tejun Heo <htejun-AT-gmail.com>
Subject:  Re: [RFT] major libata update
Date:  Mon, 15 May 2006 19:49:38 -0400
Cc:  linux-ide-AT-vger.kernel.org, linux-kernel-AT-vger.kernel.org, Andrew Morton <akpm-AT-osdl.org>
Archive-link:  Article, Thread

Tejun Heo wrote:
> Jeff Garzik wrote:
>> Tomasz Torcz wrote:
>>> On Mon, May 15, 2006 at 01:00:06PM -0400, Jeff Garzik wrote:
>>>> After much development and review, I merged a massive pile of libata
>>>> patches from Tejun Heo and Albert Lee.  This update contains the
>>>> following major libata
>>>
>>>   Any plans to merge http://home-tj.org/wiki/index.php/Sil_m15w ? Or
>>> maybe it's merged already?
>>>   Seagate firmware update seems to be available only for OEMs, so this
>>> quirk is pretty helpful for end users.
>>
>> Its a question of staging.  This still lives in the 'sii-m15w' branch 
>> of libata-dev.git, but if we throw too many _classes_ of changes into 
>> the same big lump, then it becomes much more difficult to discern 
>> which changes caused which failures.
>>
>> Since sata_sil has seen several changes, and since the sii-m15w 
>> problems are so difficult to diagnose properly, its easier to separate 
>> that out.
> 
> Are you planning on merging sil_m15w workaround?

Yes, but after 2.6.18.


> FYI, from the first time it was submitted (last summer) till 2.6.16, it 
> took very little effort to maintain it.  The current big update would 
> necessitate some changes to it but I don't think it will be too much 
> work.  My experience says m15w doesn't add too much maintenance overhead.

Its actively maintained in the 'sii-m15w' branch of libata-dev.git.


> Also, what's the merge plan for hotplug/PM?  Together into 2.6.18?  Or 
> are we looking further down?

Hotplug is reasonable for 2.6.18, but after that its getting a bit much. 
  We need to have some reasonable testing points in the midst of all 
this development :)  I'm happy to maintain an upstream-2.6.19 branch for 
such things, though.  I use tiered branches anyway.

	Jeff



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