RE: [PATCH] Documentation: DMA-API: fix a function name of max_mapping_size

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Hi Christoph,

> From: Christoph Hellwig, Sent: Friday, June 7, 2019 5:35 PM
> 
> On Fri, Jun 07, 2019 at 08:19:08AM +0000, Yoshihiro Shimoda wrote:
> > Hi Christoph,
> >
> > > From: Christoph Hellwig, Sent: Friday, June 7, 2019 5:08 PM
> > >
> > > Looks good.  And it seems like you've also found the solution to
> > > your usb storage problem, but I'm going to post the variant I just
> > > hacked up nevertheless.
> >
> > Thank you for your reply! I think this API is related to my problem,
> > but I don't have any actual solution (a patch) for now. So, I'll wait
> > for your patch!
> 
> Turns out it isn't as simple as I thought, as there doesn't seem to
> be an easy way to get to the struct device used for DMA mapping
> from USB drivers.  I'll need to think a bit more how to handle that
> best.

Thank you for your reply. I sent an email on the original report as below.
https://marc.info/?l=linux-block&m=155990883224615&w=2

Best regards,
Yoshihiro Shimoda





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