Signed-off-by: Wen Congyang <[email protected]>
Signed-off-by: zhanghailiang <[email protected]>
Signed-off-by: Gonglei <[email protected]>
---
block.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/block.c b/block.c
index c7670d2..50f3532 100644
--- a/block.c
+++ b/block.c
@@ -4396,6 +4396,10 @@ void bdrv_start_replication(BlockDriverState *bs,
ReplicationMode mode,
{
BlockDriver *drv = bs->drv;
+ if (bdrv_op_is_blocked(bs, BLOCK_OP_TYPE_BACKING_REFERENCE, NULL)) {
+ return;
+ }
+
if (drv && drv->bdrv_start_replication) {
drv->bdrv_start_replication(bs, mode, errp);
} else if (bs->file) {
@@ -4410,6 +4414,10 @@ void bdrv_do_checkpoint(BlockDriverState *bs, Error
**errp)
{
BlockDriver *drv = bs->drv;
+ if (bdrv_op_is_blocked(bs, BLOCK_OP_TYPE_BACKING_REFERENCE, NULL)) {
+ return;
+ }
+
if (drv && drv->bdrv_do_checkpoint) {
drv->bdrv_do_checkpoint(bs, errp);
} else if (bs->file) {
@@ -4424,6 +4432,10 @@ void bdrv_stop_replication(BlockDriverState *bs, bool
failover, Error **errp)
{
BlockDriver *drv = bs->drv;
+ if (bdrv_op_is_blocked(bs, BLOCK_OP_TYPE_BACKING_REFERENCE, NULL)) {
+ return;
+ }
+
if (drv && drv->bdrv_stop_replication) {
drv->bdrv_stop_replication(bs, failover, errp);
} else if (bs->file) {
--
2.4.3
