diff mbox

[COLO,v3,13/14] skip nbd_target when starting block replication

Message ID 1428055280-12015-14-git-send-email-wency@cn.fujitsu.com
State New
Headers show

Commit Message

Wen Congyang April 3, 2015, 10:01 a.m. UTC 
Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
---
 block.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)
diff mbox

Patch

diff --git a/block.c b/block.c
index 2df950b..0bf097d 100644
--- a/block.c
+++ b/block.c
@@ -6412,6 +6412,10 @@  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) {
@@ -6425,6 +6429,10 @@  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) {
@@ -6438,6 +6446,10 @@  void bdrv_stop_replication(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_stop_replication) {
         drv->bdrv_stop_replication(bs, errp);
     } else if (bs->file) {