Re: [PATCH v9 05/10] libata: separate ATAPI code

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On 11/18/2012 11:01 PM, Tejun Heo wrote:
> On Tue, Nov 13, 2012 at 08:49:24PM +0800, Aaron Lu wrote:
>> On Mon, Nov 12, 2012 at 10:57:10AM -0800, Tejun Heo wrote:
>>> On Fri, Nov 09, 2012 at 02:51:57PM +0800, Aaron Lu wrote:
>>>> The atapi_eh_tur and atapi_eh_request_sense can be reused by ZPODD
>>>> code, so separate them out to a file named libata-atapi.c, and the
>>>> Makefile is modified accordingly. No functional changes should result
>>>> from this commit.
>>>
>>> Why is this change necessary?  This doesn't seem to help anything to
>>> me.
>>
>> Function zpready introduced in patch 6 used these 2 functions to see if
>> an ODD is in a zero power ready state.
> 
> And why zpready can't use the functions if they're in a different file?

Oh, sure, they can be used.

My thought is that, the 2 functions are for ATAPI and can be used by
libata-eh, libata-zpodd and maybe others in the future, so it deserves
a separate place. But if this is regarded as unnecessary, I will drop
this patch.

Thanks,
Aaron

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