Re: [RFC] MMC multiwrite capability removal

[Alex Dubov]

--- Pierre Ossman <drzeus-list@xxxxxxxxx> wrote:

> Hi everyone,
> 
> I've been planning to remove the MMC multiwrite capability (making it
> always on), but I need some help from all you driver maintainers first.
> 
> Ages ago, I had a chat with Axboe about the current situation and it
> turns out that the MMC layer is a bit over-cautious. There are plenty
> of other block devices that cannot report anything more than
> success/failure for the whole request. So it's silly that we're
> crippling the MMC layer when upper layers have to deal with that
> scenario anyway.
> 
> What I need from you is and audit of your respective driver(s) and
> check that they do not overestimate the number of successfully written
> blocks. Please send a short reply even if your driver needs no changes.
> 

tifm_sd relies on controller to report the number of successfully transferred
blocks. Of course, I cannot be sure to what extent the controller is
trustworthy. It worked fine until now, though.




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