From 7448eb87ee59856aa0f0853f2aa5b803c832fccf Mon Sep 17 00:00:00 2001 From: jiangdongxu 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 Signed-off-by: jiangdongxu --- 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