On Fri, 2017-06-09 at 13:24 -0700, Dan Williams wrote: > Allow device-mapper to route flush operations to the > per-target implementation. In order for the device stacking to work > we need a dax_dev and a pgoff relative to that device. This gives > each layer of the stack the information it needs to look up the > operation pointer for the next level. > > This conceptually allows for an array of mixed device drivers with > varying flush implementations. > > Cc: Toshi Kani <toshi.kani@xxxxxxx> > Reviewed-by: Mike Snitzer <snitzer@xxxxxxxxxx> > Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx> Looks good to me. Reviewed-by: Toshi Kani <toshi.kani@xxxxxxx> Thanks, -Toshi
