Messages in this thread | | | Date | Sat, 19 Apr 2008 19:34:12 -0700 (PDT) | From | Alex Dubov <> | Subject | Re: [RFC] MMC multiwrite capability removal |
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--- Pierre Ossman <drzeus-list@drzeus.cx> 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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