block/mirror: fix file-system went to read-only after block-mirror

config vm disk with prdm, keep the disk writing data continuously
during block-mirror, the file-system will went to read-only after
block-mirror, fix it.

Signed-off-by: caojinhua <caojinhua1@huawei.com>
Signed-off-by: jiangdongxu <jiangdongxu1@huawei.com>
This commit is contained in:
Chen Qun 2022-02-10 21:37:49 +08:00 committed by yezengruan
parent 4dc229df1a
commit 6bfd0edc7b

View File

@ -0,0 +1,32 @@
From 7448eb87ee59856aa0f0853f2aa5b803c832fccf Mon Sep 17 00:00:00 2001
From: jiangdongxu <jiangdongxu1@huawei.com>
Date: Thu, 10 Feb 2022 21:37:49 +0800
Subject: [PATCH] block/mirror: fix file-system went to read-only after
block-mirror
config vm disk with prdm, keep the disk writing data continuously
during block-mirror, the file-system will went to read-only after
block-mirror, fix it.
Signed-off-by: caojinhua <caojinhua1@huawei.com>
Signed-off-by: jiangdongxu <jiangdongxu1@huawei.com>
---
block/mirror.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/block/mirror.c b/block/mirror.c
index efec2c7674..b7f0cba9b9 100644
--- a/block/mirror.c
+++ b/block/mirror.c
@@ -1640,7 +1640,7 @@ static BlockJob *mirror_start_job(
* reads on the top, while disabling it in the intermediate nodes, and make
* the backing chain writable. */
mirror_top_bs = bdrv_new_open_driver(&bdrv_mirror_top, filter_node_name,
- BDRV_O_RDWR, errp);
+ BDRV_O_RDWR | BDRV_O_NOCACHE, errp);
if (mirror_top_bs == NULL) {
return NULL;
}
--
2.27.0