| commit | 3d7efd18d9df628e30ff36e9e488a8f0e782b678 | [log] [tgz] |
|---|---|---|
| author | Alex Elder <elder@inktank.com> | Fri Apr 19 15:34:50 2013 -0500 |
| committer | Sage Weil <sage@inktank.com> | Wed May 01 21:19:13 2013 -0700 |
| tree | e4d6f87aedc0f2803920c32994ebe10e5994032d | |
| parent | d98df63ea7e87d5df4dce0cece0210e2a777ac00 [diff] |
rbd: implement full object parent reads As a step toward implementing layered writes, implement reading the data for a target object from the parent image for a write request whose target object is known to not exist. Add a copyup_pages field to an image request to track the page array used (only) for such a request. Signed-off-by: Alex Elder <elder@inktank.com> Reviewed-by: Josh Durgin <josh.durgin@inktank.com>