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-rw-r--r--block/vvfat.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/block/vvfat.c b/block/vvfat.c
index ba2620f3c2..ded21092ee 100644
--- a/block/vvfat.c
+++ b/block/vvfat.c
@@ -2971,7 +2971,8 @@ static BlockDriver vvfat_write_target = {
static void vvfat_qcow_options(int *child_flags, QDict *child_options,
int parent_flags, QDict *parent_options)
{
- *child_flags = BDRV_O_RDWR | BDRV_O_NO_FLUSH;
+ qdict_set_default_str(child_options, BDRV_OPT_READ_ONLY, "off");
+ *child_flags = BDRV_O_NO_FLUSH;
}
static const BdrvChildRole child_vvfat_qcow = {