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[Qemu-devel] [PATCH COLO v4 12/15] skip nbd_target when starting block r
From: |
Wen Congyang |
Subject: |
[Qemu-devel] [PATCH COLO v4 12/15] skip nbd_target when starting block replication |
Date: |
Fri, 8 May 2015 17:16:04 +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 54d5b29..a442b5f 100644
--- a/block.c
+++ b/block.c
@@ -4219,6 +4219,10 @@ 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) {
@@ -4232,6 +4236,10 @@ 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) {
@@ -4245,6 +4253,10 @@ 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) {
--
2.1.0
- Re: [Qemu-devel] [PATCH COLO v4 01/15] docs: block replication's description, (continued)
[Qemu-devel] [PATCH COLO v4 06/15] Don't allow a disk use backing reference target, Wen Congyang, 2015/05/08
[Qemu-devel] [PATCH COLO v4 04/15] block: Parse "backing_reference" option to reference existing BDS, Wen Congyang, 2015/05/08
[Qemu-devel] [PATCH COLO v4 10/15] NBD client: connect to nbd server later, Wen Congyang, 2015/05/08
[Qemu-devel] [PATCH COLO v4 09/15] Introduce a new -drive option to control whether to connect to remote target, Wen Congyang, 2015/05/08
[Qemu-devel] [PATCH COLO v4 08/15] NBD client: implement block driver interfaces to connect/disconnect NBD server, Wen Congyang, 2015/05/08
[Qemu-devel] [PATCH COLO v4 12/15] skip nbd_target when starting block replication,
Wen Congyang <=
[Qemu-devel] [PATCH COLO v4 11/15] Add new block driver interfaces to control block replication, Wen Congyang, 2015/05/08
[Qemu-devel] [PATCH COLO v4 13/15] quorum: implement block driver interfaces for block replication, Wen Congyang, 2015/05/08
[Qemu-devel] [PATCH COLO v4 14/15] quorum: allow ignoring child errors, Wen Congyang, 2015/05/08
[Qemu-devel] [PATCH COLO v4 15/15] Implement new driver for block replication, Wen Congyang, 2015/05/08
Re: [Qemu-devel] [PATCH COLO v4 00/15] Block replication for continuous checkpoints, Dr. David Alan Gilbert, 2015/05/20