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[Qemu-block] [PATCH v4 3/5] block: Add check on mirror target
From: |
Fam Zheng |
Subject: |
[Qemu-block] [PATCH v4 3/5] block: Add check on mirror target |
Date: |
Thu, 24 Dec 2015 12:45:04 +0800 |
Signed-off-by: Fam Zheng <address@hidden>
Reviewed-by: Max Reitz <address@hidden>
---
blockdev.c | 3 +++
include/block/block.h | 1 +
2 files changed, 4 insertions(+)
diff --git a/blockdev.c b/blockdev.c
index 22e06ba..f42e171 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -3342,6 +3342,9 @@ static void blockdev_mirror_common(BlockDriverState *bs,
if (bdrv_op_is_blocked(bs, BLOCK_OP_TYPE_MIRROR_SOURCE, errp)) {
return;
}
+ if (bdrv_op_is_blocked(target, BLOCK_OP_TYPE_MIRROR_TARGET, errp)) {
+ return;
+ }
if (!bs->backing && sync == MIRROR_SYNC_MODE_TOP) {
sync = MIRROR_SYNC_MODE_FULL;
diff --git a/include/block/block.h b/include/block/block.h
index 8ea12fa..c96923d 100644
--- a/include/block/block.h
+++ b/include/block/block.h
@@ -170,6 +170,7 @@ typedef enum BlockOpType {
BLOCK_OP_TYPE_INTERNAL_SNAPSHOT,
BLOCK_OP_TYPE_INTERNAL_SNAPSHOT_DELETE,
BLOCK_OP_TYPE_MIRROR_SOURCE,
+ BLOCK_OP_TYPE_MIRROR_TARGET,
BLOCK_OP_TYPE_RESIZE,
BLOCK_OP_TYPE_STREAM,
BLOCK_OP_TYPE_REPLACE,
--
2.4.3