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[Qemu-devel] [RFC PATCH COLO v2 12/13] skip nbd_target when starting blo
From: |
Wen Congyang |
Subject: |
[Qemu-devel] [RFC PATCH COLO v2 12/13] skip nbd_target when starting block replication |
Date: |
Wed, 25 Mar 2015 17:36:13 +0800 |
Signed-off-by: Wen Congyang <address@hidden>
Signed-off-by: zhanghailiang <address@hidden>
Signed-off-by: Gonglei <address@hidden>
---
block.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/block.c b/block.c
index bd7fa9c..3af5ad4 100644
--- a/block.c
+++ b/block.c
@@ -6368,6 +6368,12 @@ BlockAcctStats *bdrv_get_stats(BlockDriverState *bs)
void bdrv_start_replication(BlockDriverState *bs, COLOMode mode, Error **errp)
{
BlockDriver *drv = bs->drv;
+ Error *local_err = NULL;
+
+ if (bdrv_op_is_blocked(bs, BLOCK_OP_TYPE_BACKING_REFERENCE, &local_err)) {
+ error_free(local_err);
+ return;
+ }
if (drv && drv->bdrv_start_replication) {
drv->bdrv_start_replication(bs, mode, errp);
@@ -6381,6 +6387,12 @@ void bdrv_start_replication(BlockDriverState *bs,
COLOMode mode, Error **errp)
void bdrv_do_checkpoint(BlockDriverState *bs, Error **errp)
{
BlockDriver *drv = bs->drv;
+ Error *local_err = NULL;
+
+ if (bdrv_op_is_blocked(bs, BLOCK_OP_TYPE_BACKING_REFERENCE, &local_err)) {
+ error_free(local_err);
+ return;
+ }
if (drv && drv->bdrv_do_checkpoint) {
drv->bdrv_do_checkpoint(bs, errp);
@@ -6394,6 +6406,12 @@ void bdrv_do_checkpoint(BlockDriverState *bs, Error
**errp)
void bdrv_stop_replication(BlockDriverState *bs, Error **errp)
{
BlockDriver *drv = bs->drv;
+ Error *local_err = NULL;
+
+ if (bdrv_op_is_blocked(bs, BLOCK_OP_TYPE_BACKING_REFERENCE, &local_err)) {
+ error_free(local_err);
+ return;
+ }
if (drv && drv->bdrv_stop_replication) {
drv->bdrv_stop_replication(bs, errp);
--
2.1.0
- [Qemu-devel] [RFC PATCH COLO v2 07/13] allow writing to the backing file, (continued)
[Qemu-devel] [RFC PATCH COLO v2 12/13] skip nbd_target when starting block replication,
Wen Congyang <=
[Qemu-devel] [RFC PATCH COLO v2 09/13] block: Parse "backing_reference" option to reference existing BDS, Wen Congyang, 2015/03/25
[Qemu-devel] [RFC PATCH COLO v2 13/13] Don't allow a disk use backing reference target, Wen Congyang, 2015/03/25
[Qemu-devel] [RFC PATCH COLO v2 11/13] qcow2: support colo, Wen Congyang, 2015/03/25
Re: [Qemu-devel] [RFC PATCH COLO v2 00/13] Block replication for continuous checkpoints, Paolo Bonzini, 2015/03/25
Re: [Qemu-devel] [RFC PATCH COLO v2 00/13] Block replication for continuous checkpoints, Dr. David Alan Gilbert, 2015/03/25