On 1/13/12, Chris Ball <c...@laptop.org> wrote:
> Hi,
>
> On Thu, Jan 12 2012, S, Venkatraman wrote:
>> On Wed, Dec 21, 2011 at 1:09 PM, Saugata Das <saugata....@stericsson.com>
>> wrote:
>>> From: Saugata Das <saugata....@linaro.org>
>>>
>>> MMC-4.5 data tag feature will be used to store the file system
>>> meta-data in the
>>> tagged region of eMMC. This will improve the write and subsequent
>>> read transfer
>>> time for the meta data.
>>>
>>> Signed-off-by: Saugata Das <saugata....@linaro.org>
>>
>> I tested this on a device which supports a data tag unit size of 8K.
>> Tested-by: Venkatraman S <svenk...@ti.com>
>
> Thanks for testing!  I've pushed it to mmc-next.
>
>> Chris,
>>   Can this go into 3.3 ?
>
> I think 3.4 would be better after a full round of linux-next testing,
> since this sounds like it could expose card-dependent quirks that could
> destroy filesystems.  Better to be safe.
I'm afraid it that it's really required since some features. data tag,
context id, and packed command, are not mutual exclusive. so I hope to
make it select. I mean it's not measured the real performance gain
and/or other feature. so hope to enable/disable by platform data.

How do you think?

Thank you,
Kyungmin Park
>
> Thanks,
>
> - Chris.
> --
> Chris Ball   <c...@laptop.org>   <http://printf.net/>
> One Laptop Per Child
> --
> To unsubscribe from this list: send the line "unsubscribe linux-mmc" in
> the body of a message to majord...@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>
--
To unsubscribe from this list: send the line "unsubscribe linux-mmc" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to