| commit | c86c30706caa02ffe303e6b87d53ef6a077d4cca | [log] [tgz] |
|---|---|---|
| author | Joe Thornber <ejt@redhat.com> | Thu Oct 24 14:10:28 2013 -0400 |
| committer | Mike Snitzer <snitzer@redhat.com> | Sat Nov 09 18:20:25 2013 -0500 |
| tree | adafaec4532de7ebbecf8b413ba380a7d2aa9bc7 | |
| parent | 01911c19bea63b1a958b9d9024504c2e9079f155 [diff] |
dm cache: be much more aggressive about promoting writes to discarded blocks Previously these promotions only got priority if there were unused cache blocks. Now we give them priority if there are any clean blocks in the cache. The fio_soak_test in the device-mapper-test-suite now gives uniform performance across subvolumes (~16 seconds). Signed-off-by: Joe Thornber <ejt@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>