tree 5ea66de48bc1f93a34b301986fa5455e53ac5a4c
parent c6b4fcbad044e6fffcc75bba160e720eb8d67d17
author Joe Thornber <ejt@redhat.com> 1362177951 +0000
committer Alasdair G Kergon <agk@redhat.com> 1362177951 +0000

dm cache: add mq policy

A cache policy that uses a multiqueue ordered by recent hit
count to select which blocks should be promoted and demoted.
This is meant to be a general purpose policy.  It prioritises
reads over writes.

Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>