Signed-off-by: Wen Congyang <[email protected]>
Signed-off-by: zhanghailiang <[email protected]>
Signed-off-by: Gonglei <[email protected]>
---
block.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/block.c b/block.c
index 067c44b..96cf973 100644
--- a/block.c
+++ b/block.c
@@ -856,8 +856,8 @@ static int bdrv_inherited_flags(int flags)
*/
static int bdrv_backing_flags(int flags)
{
- /* backing files always opened read-only */
- flags &= ~(BDRV_O_RDWR | BDRV_O_COPY_ON_READ);
+ /* backing files are opened read-write for block replication */
+ flags &= ~BDRV_O_COPY_ON_READ;
/* snapshot=on is handled on the top layer */
flags &= ~(BDRV_O_SNAPSHOT | BDRV_O_TEMPORARY);
--
2.1.0
