block: qcow image file reopen

These are the stubs for the file reopen drivers for the qcow format.

There is currently nothing that needs to be done by the qcow driver
in reopen.

Signed-off-by: Jeff Cody <jcody@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

diff --git a/block/qcow.c b/block/qcow.c
index 7b5ab87d2d05ae4e9e370f97d161684257688622..b239c82ae07f2816aa9d603858ef4bc2f287612a 100644 (file)
--- a/block/qcow.c
+++ b/block/qcow.c
@@ -197,6 +197,15 @@ static int qcow_open(BlockDriverState *bs, int flags)
     return ret;
 }
 
+
+/* We have nothing to do for QCOW reopen, stubs just return
+ * success */
+static int qcow_reopen_prepare(BDRVReopenState *state,
+                               BlockReopenQueue *queue, Error **errp)
+{
+    return 0;
+}
+
 static int qcow_set_key(BlockDriverState *bs, const char *key)
 {
     BDRVQcowState *s = bs->opaque;
@@ -868,6 +877,7 @@ static BlockDriver bdrv_qcow = {
     .bdrv_probe                = qcow_probe,
     .bdrv_open         = qcow_open,
     .bdrv_close                = qcow_close,
+    .bdrv_reopen_prepare = qcow_reopen_prepare,
     .bdrv_create       = qcow_create,
 
     .bdrv_co_readv          = qcow_co_readv,