diff mbox series

[v4,01/11] block: Update flags in bdrv_set_read_only()

Message ID 20181019163013.11787-2-kwolf@redhat.com
State New
Headers show
Series block: Add auto-read-only option | expand

Commit Message

Kevin Wolf Oct. 19, 2018, 4:30 p.m. UTC 
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 <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
---
 block.c | 7 +++++++
 1 file changed, 7 insertions(+)
diff mbox series

Patch

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;
 }