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[Qemu-devel] [PATCH v4 01/11] block: Update flags in bdrv_set_read_only(
From: |
Kevin Wolf |
Subject: |
[Qemu-devel] [PATCH v4 01/11] block: Update flags in bdrv_set_read_only() |
Date: |
Fri, 19 Oct 2018 18:30:05 +0200 |
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 <address@hidden>
Reviewed-by: Eric Blake <address@hidden>
Reviewed-by: Alberto Garcia <address@hidden>
---
block.c | 7 +++++++
1 file changed, 7 insertions(+)
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;
}
--
2.19.1
- [Qemu-devel] [PATCH v4 00/11] block: Add auto-read-only option, Kevin Wolf, 2018/10/19
- [Qemu-devel] [PATCH v4 01/11] block: Update flags in bdrv_set_read_only(),
Kevin Wolf <=
- [Qemu-devel] [PATCH v4 07/11] curl: Support auto-read-only option, Kevin Wolf, 2018/10/19
- [Qemu-devel] [PATCH v4 05/11] nbd: Support auto-read-only option, Kevin Wolf, 2018/10/19
- [Qemu-devel] [PATCH v4 08/11] gluster: Support auto-read-only option, Kevin Wolf, 2018/10/19
- [Qemu-devel] [PATCH v4 06/11] file-posix: Support auto-read-only option, Kevin Wolf, 2018/10/19
- [Qemu-devel] [PATCH v4 03/11] rbd: Close image in qemu_rbd_open() error path, Kevin Wolf, 2018/10/19
- [Qemu-devel] [PATCH v4 09/11] iscsi: Support auto-read-only option, Kevin Wolf, 2018/10/19
- [Qemu-devel] [PATCH v4 02/11] block: Add auto-read-only option, Kevin Wolf, 2018/10/19
- [Qemu-devel] [PATCH v4 04/11] block: Require auto-read-only for existing fallbacks, Kevin Wolf, 2018/10/19