On Thu, Mar 23, 2017 at 10:55:22AM -0400, Mike Snitzer wrote:
> See commit 70d6c400a ("dm kcopyd: add WRITE SAME support to dm_kcopyd_zero")
> drivers/md/dm-io.c:do_region() adjusts the WRITE SAME payload to be a
> single page.
>
> So you'd want to tweak dm-io.c accordingly for WRITE ZEROES (presummably
> no payload?)
Yeah, I'll look into it. Any good test case for verifying this code
while I've got your attention?
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