diff options
| author | edison <edison@cloud.com> | 2010-09-21 19:58:41 -0700 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2010-10-22 14:49:35 +0200 |
| commit | 51ef67270b1d10e1fcf3de7368dccad1ba0bf9d1 (patch) | |
| tree | a06b3ce03bae7ed77a1e1e9bebc6ead157c7a4e5 /block/qcow2.c | |
| parent | a58b8d5401b6064d52113f243456115d046bdd12 (diff) | |
Copy snapshots out of QCOW2 disk
In order to backup snapshots, created from QCOW2 iamge, we want to copy snapshots out of QCOW2 disk to a seperate storage.
The following patch adds a new option in "qemu-img": qemu-img convert -f qcow2 -O qcow2 -s snapshot_name src_img bck_img.
Right now, it only supports to copy the full snapshot, delta snapshot is on the way.
Changes from V1: all the comments from Kevin are addressed:
Add read-only checking
Fix coding style
Change the name from bdrv_snapshot_load to bdrv_snapshot_load_tmp
Signed-off-by: Disheng Su <edison@cloud.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block/qcow2.c')
| -rw-r--r-- | block/qcow2.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/block/qcow2.c b/block/qcow2.c index 45ed073dbf..b816d8733f 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -1286,6 +1286,7 @@ static BlockDriver bdrv_qcow2 = { .bdrv_snapshot_goto = qcow2_snapshot_goto, .bdrv_snapshot_delete = qcow2_snapshot_delete, .bdrv_snapshot_list = qcow2_snapshot_list, + .bdrv_snapshot_load_tmp = qcow2_snapshot_load_tmp, .bdrv_get_info = qcow_get_info, .bdrv_save_vmstate = qcow_save_vmstate, |