On Sun, Mar 20, 2016 at 12:35:53PM -0700, Eric Nelson wrote:
> Hi Stephen,
> 
> On 03/17/2016 02:23 PM, Stephen Warren wrote:
> > On 03/16/2016 03:40 PM, Eric Nelson wrote:
> >> Signed-off-by: Eric Nelson <e...@nelint.com>
> > 
> > Patch description.
> > 
> >> ---
> >>   drivers/mmc/mmc.c       | 10 +++++++++-
> >>   drivers/mmc/mmc_write.c |  7 +++++++
> > 
> > Presumably it makes sense for the cache to work for IDE, SATA, USB,
> > SCSI, ... too. I wonder if it's possible to put this code somewhere more
> > central than mmc*.c so it automatically applies to
> > dev_desc->block_read() (see include/part.h). Perhaps not since each
> > implementation supplies its own block_read function directly, so the
> > cache calls do need to be duplicated everywhere.
> > 
> 
> Yeah. I haven't found a spot that would allow interception of
> the various block_read/write functions.

Shouldn't DM also help here?

-- 
Tom

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