| commit | 5ea929e3d13622e5d06ca8795819f1590644cda2 | [log] [tgz] |
|---|---|---|
| author | Kevin Wolf <[email protected]> | Wed Jan 26 16:56:48 2011 +0100 |
| committer | Kevin Wolf <[email protected]> | Mon Jan 31 10:03:00 2011 +0100 |
| tree | 1aba3562b30cf62ac6a8fdc5f313f4a90e816c88 | |
| parent | a9c49a6b023fd3706002fd8d549c58f0343932f8 [diff] |
qcow2: Add bdrv_discard support This adds a bdrv_discard function to qcow2 that frees the discarded clusters. It does not yet pass the discard on to the underlying file system driver, but the space can be reused by future writes to the image. Signed-off-by: Kevin Wolf <[email protected]> Reviewed-by: Stefan Hajnoczi <[email protected]>