| commit | a195db2d29a47c2c3a61386009bd400df18c86cf | [log] [tgz] |
|---|---|---|
| author | Joe Thornber <ejt@redhat.com> | Mon Oct 06 16:30:06 2014 -0400 |
| committer | Mike Snitzer <snitzer@redhat.com> | Mon Nov 10 15:25:26 2014 -0500 |
| tree | 17f9c41a52fa28c6a03840a0df24a3781c280217 | |
| parent | 33096a7822de63bc7dbdd090870b656a0304fa35 [diff] |
dm bio prison: switch to using a red black tree Previously it was using a fixed sized hash table. There are times when very many concurrent cells are held (such as when processing a very large discard). When this happens the hash table performance becomes very poor. Signed-off-by: Joe Thornber <ejt@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>