dm cache metadata: switch to using the new cursor api for loading metadata

This change offers a pretty significant performance improvement.

Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
This commit is contained in:
Joe Thornber 2016-09-20 06:16:00 -04:00 • committed by Mike Snitzer
commit f177940a80