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authoredison <edison@cloud.com>2010-09-21 19:58:41 -0700
committerKevin Wolf <kwolf@redhat.com>2010-10-22 14:49:35 +0200
commit51ef67270b1d10e1fcf3de7368dccad1ba0bf9d1 (patch)
treea06b3ce03bae7ed77a1e1e9bebc6ead157c7a4e5 /qemu-img-cmds.hx
parenta58b8d5401b6064d52113f243456115d046bdd12 (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 'qemu-img-cmds.hx')
-rw-r--r--qemu-img-cmds.hx4
1 files changed, 2 insertions, 2 deletions
diff --git a/qemu-img-cmds.hx b/qemu-img-cmds.hx
index 6d3e5f8e6..6c7176f8b 100644
--- a/qemu-img-cmds.hx
+++ b/qemu-img-cmds.hx
@@ -28,9 +28,9 @@ STEXI
ETEXI
DEF("convert", img_convert,
- "convert [-c] [-f fmt] [-O output_fmt] [-o options] filename [filename2 [...]] output_filename")
+ "convert [-c] [-f fmt] [-O output_fmt] [-o options] [-s snapshot_name] filename [filename2 [...]] output_filename")
STEXI
-@item convert [-c] [-f @var{fmt}] [-O @var{output_fmt}] [-o @var{options}] @var{filename} [@var{filename2} [...]] @var{output_filename}
+@item convert [-c] [-f @var{fmt}] [-O @var{output_fmt}] [-o @var{options}] [-s @var{snapshot_name}] @var{filename} [@var{filename2} [...]] @var{output_filename}
ETEXI
DEF("info", img_info,