On Mon, Dec 23, 2013 at 02:12:56PM +0800, Wenchao Xia wrote:
> I have reconsidered the roll back process, there is many case we
> should take care, so it is better to summarize a general rule to do such
> cancel operations. I suggest: do a series of roll back operations,
> when one fail, skip fol
于 2013/12/23 10:57, Wenchao Xia 写道:
于 2013/12/20 22:20, Stefan Hajnoczi 写道:
On Thu, Dec 05, 2013 at 08:02:50PM +0800, Wenchao Xia wrote:
+restore_refcount:
+if (qcow2_update_snapshot_refcount(bs, s->l1_table_offset,
s->l1_size, -1)
+< 0 && errp) {
+/* Nothing can be done now
于 2013/12/20 22:20, Stefan Hajnoczi 写道:
On Thu, Dec 05, 2013 at 08:02:50PM +0800, Wenchao Xia wrote:
+restore_refcount:
+if (qcow2_update_snapshot_refcount(bs, s->l1_table_offset, s->l1_size, -1)
+< 0 && errp) {
+/* Nothing can be done now, need image check later */
+
On Thu, Dec 05, 2013 at 08:02:50PM +0800, Wenchao Xia wrote:
> +restore_refcount:
> +if (qcow2_update_snapshot_refcount(bs, s->l1_table_offset, s->l1_size,
> -1)
> +< 0 && errp) {
> +/* Nothing can be done now, need image check later */
> +error_setg(&err, "%s\nqcow2: E
Signed-off-by: Wenchao Xia
Reviewed-by: Max Reitz
---
block/qcow2-snapshot.c | 25 +
1 files changed, 21 insertions(+), 4 deletions(-)
diff --git a/block/qcow2-snapshot.c b/block/qcow2-snapshot.c
index 55746c4..5f787bc 100644
--- a/block/qcow2-snapshot.c
+++ b/block/qc
