| commit | 7c3d3f2a87b01ff167a5f048285d5e3dee920235 | [log] [tgz] |
|---|---|---|
| author | Joe Thornber <ejt@redhat.com> | Fri May 10 14:37:20 2013 +0100 |
| committer | Alasdair G Kergon <agk@redhat.com> | Fri May 10 14:37:20 2013 +0100 |
| tree | 44b483cd78221e412b314c872cb5ddedfdfd2abe | |
| parent | 24347e9595704464f62a4ed8f46abf62b4c79cdd [diff] |
dm persistent data: add threshold callback to space map Add a threshold callback function to the persistent data space map interface for a subsequent patch to use. dm-thin and dm-cache are interested in knowing when they're getting low on metadata or data blocks. This patch introduces a new method for registering a callback against a threshold. Signed-off-by: Joe Thornber <ejt@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>