| commit | f29a3147e251d7ae20d3194ff67f109d71e501b4 | [log] [tgz] |
|---|---|---|
| author | Joe Thornber <ejt@redhat.com> | Thu Nov 27 12:21:08 2014 +0000 |
| committer | Mike Snitzer <snitzer@redhat.com> | Mon Dec 01 11:30:12 2014 -0500 |
| tree | 21867997b4b5be3b677e0265adbfd33d3a6ef4ad | |
| parent | 2bb812df63bbd246bd39d10f2e810b2a0a59e99e [diff] |
dm cache: only use overwrite optimisation for promotion when in writeback mode Overwrite causes the cache block and origin blocks to diverge, which is only allowed in writeback mode. Signed-off-by: Joe Thornber <ejt@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com> Cc: stable@vger.kernel.org