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[Qemu-block] [PATCH v15 2/9] Store parent BDS in BdrvChild
From: |
Changlong Xie |
Subject: |
[Qemu-block] [PATCH v15 2/9] Store parent BDS in BdrvChild |
Date: |
Fri, 5 Feb 2016 12:18:01 +0800 |
From: Wen Congyang <address@hidden>
We need to access the parent BDS to get the root BDS.
Signed-off-by: Wen Congyang <address@hidden>
Signed-off-by: Changlong Xie <address@hidden>
---
block.c | 1 +
include/block/block_int.h | 1 +
2 files changed, 2 insertions(+)
diff --git a/block.c b/block.c
index 70ab625..c18b462 100644
--- a/block.c
+++ b/block.c
@@ -1208,6 +1208,7 @@ BdrvChild *bdrv_attach_child(BlockDriverState *parent_bs,
BdrvChild *child = g_new(BdrvChild, 1);
*child = (BdrvChild) {
.bs = child_bs,
+ .parent = parent_bs,
.name = g_strdup(child_name),
.role = child_role,
};
diff --git a/include/block/block_int.h b/include/block/block_int.h
index 89ec138..9204d1e 100644
--- a/include/block/block_int.h
+++ b/include/block/block_int.h
@@ -363,6 +363,7 @@ extern const BdrvChildRole child_format;
struct BdrvChild {
BlockDriverState *bs;
+ BlockDriverState *parent;
char *name;
const BdrvChildRole *role;
QLIST_ENTRY(BdrvChild) next;
--
1.9.3
- [Qemu-block] [PATCH v15 0/9] Block replication for continuous checkpoints, Changlong Xie, 2016/02/04
- [Qemu-block] [PATCH v15 4/9] Link backup into block core, Changlong Xie, 2016/02/04
- [Qemu-block] [PATCH v15 2/9] Store parent BDS in BdrvChild,
Changlong Xie <=
- [Qemu-block] [PATCH v15 6/9] auto complete active commit, Changlong Xie, 2016/02/04
- [Qemu-block] [PATCH v15 5/9] docs: block replication's description, Changlong Xie, 2016/02/04
- [Qemu-block] [PATCH v15 1/9] unblock backup operations in backing file, Changlong Xie, 2016/02/04
- [Qemu-block] [PATCH v15 3/9] Backup: clear all bitmap when doing block checkpoint, Changlong Xie, 2016/02/04
- [Qemu-block] [PATCH v15 9/9] support replication driver in blockdev-add, Changlong Xie, 2016/02/04
- [Qemu-block] [PATCH v15 8/9] Implement new driver for block replication, Changlong Xie, 2016/02/04
- [Qemu-block] [PATCH v15 7/9] Introduce new APIs to do replication operation, Changlong Xie, 2016/02/04