Re: slow eMMC write speed

Linus Walleij
2011-09-28T05:42:24Z

On Fri, Sep 23, 2011 at 7:05 AM, Praveen G K <praveen.gk@gmail.com> wrote:

> I am working on the block driver module of the eMMC driver (SDIO 3.0
> controller).  I am seeing very low write speed for eMMC transfers.  On
> further debugging, I observed that every 63rd and 64th transfer takes
> a long time.

Are you not just seeing the card-internal garbage collection?
http://lwn.net/Articles/428584/

Yours,
Linus Walleij