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[Qemu-block] [PATCH COLO v3 13/14] skip nbd_target when starting block r
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From: |
Wen Congyang |
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Subject: |
[Qemu-block] [PATCH COLO v3 13/14] skip nbd_target when starting block replication |
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Date: |
Fri, 3 Apr 2015 18:01:19 +0800 |
Signed-off-by: Wen Congyang <address@hidden>
Signed-off-by: zhanghailiang <address@hidden>
Signed-off-by: Gonglei <address@hidden>
---
block.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
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) {
--
2.1.0
- [Qemu-block] [PATCH COLO v3 08/14] Allow creating backup jobs when opening BDS, (continued)
- [Qemu-block] [PATCH COLO v3 08/14] Allow creating backup jobs when opening BDS, Wen Congyang, 2015/04/03
- [Qemu-block] [PATCH COLO v3 04/14] Add new block driver interfaces to control block replication, Wen Congyang, 2015/04/03
- [Qemu-block] [PATCH COLO v3 11/14] Backup: clear all bitmap when doing block checkpoint, Wen Congyang, 2015/04/03
- [Qemu-block] [PATCH COLO v3 10/14] util/hbitmap: Add an API to reset all set bits in hbitmap, Wen Congyang, 2015/04/03
- [Qemu-block] [PATCH COLO v3 14/14] Don't allow a disk use backing reference target, Wen Congyang, 2015/04/03
- [Qemu-block] [PATCH COLO v3 13/14] skip nbd_target when starting block replication,
Wen Congyang <=
- [Qemu-block] [PATCH COLO v3 09/14] block: Parse "backing_reference" option to reference existing BDS, Wen Congyang, 2015/04/03
- [Qemu-block] [PATCH COLO v3 12/14] qcow2: support colo, Wen Congyang, 2015/04/03