On 10/12/18 6:55 AM, Kevin Wolf wrote:
To fully change the read-only state of a node, we must not only change
bs->read_only, but also update bs->open_flags.
Signed-off-by: Kevin Wolf <kw...@redhat.com>
---
block.c | 7 +++++++
1 file changed, 7 insertions(+)
Reviewed-by: Eric Blake <ebl...@redhat.com>
diff --git a/block.c b/block.c
index 0d6e5f1a76..d7bd6d29b4 100644
--- a/block.c
+++ b/block.c
@@ -281,6 +281,13 @@ int bdrv_set_read_only(BlockDriverState *bs, bool
read_only, Error **errp)
}
bs->read_only = read_only;
+
+ if (read_only) {
+ bs->open_flags &= ~BDRV_O_RDWR;
+ } else {
+ bs->open_flags |= BDRV_O_RDWR;
+ }
+
return 0;
}
--
Eric Blake, Principal Software Engineer
Red Hat, Inc. +1-919-301-3266
Virtualization: qemu.org | libvirt.org
