linux-kernel - Re: mmc idle time bkops?

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Message-ID: <55073308.7090501@yandex.ru>
Date:	Mon, 16 Mar 2015 22:46:16 +0300
From:	Nikita Yushchenko <nikita.yoush@...dex.ru>
To:	merez@...eaurora.org
CC:	linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: mmc idle time bkops?

Hi Maya.

Thanks for the information.

There are thoughts that missing support for "non-urgent" bkops request
could be reason of unexpected slowdowns of eMMC i/o that customer is
observing. Thus the interest on the current status.

However, no particular projects or needs yet.

Nikita

> Hi Nikita,
> 
> The patch got stuck for a while as there was a request to use the runtime
> PM framework for implementing the idle time BKOPs and I didn't have the
> ability to test it back then.
> We plan to re-implement and test in the upcoming few months (aim to July).
> Do you have a need for this feature in an earlier date or it can wait for
> july?
> 
> Thanks,
> Maya
> 
>> Hi
>>
>> Some months ago, you've been working on "idle time bkops" feature. The
>> latest (v6) sign of this work I could found is [1]
>>
>> [1] https://lkml.org/lkml/2013/4/14/29
>>
>> However this did not land in mainline, also no replies, and no sign of
>> any follow-up...  Complete mystery what has happened to this effort :(
>>
>> What is the latest status of "idle time bkops" functionality?
>> Is any working implementation available?
>>
>> TIA,
>> Nikita Yushchenko
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> 
> 

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