Commits
Joe Thornber committed a8cd1eba613
dm cache policy smq: only demote entries in bottom half of the clean multiqueue Heavy IO load may mean there are very few clean blocks in the cache, and we risk demoting entries that get hit a lot. Signed-off-by: Joe Thornber <ejt@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>