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-rw-r--r--blockdev.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/blockdev.c b/blockdev.c
index 44755e1a5d..2c3242b87a 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -1523,7 +1523,7 @@ static void qmp_bdrv_open_encrypted(BlockDriverState *bs, const char *filename,
 }
 
 void qmp_change_blockdev(const char *device, const char *filename,
-                         bool has_format, const char *format, Error **errp)
+                         const char *format, Error **errp)
 {
     BlockDriverState *bs;
     BlockDriver *drv = NULL;
@@ -1820,8 +1820,13 @@ void qmp_block_commit(const char *device,
         return;
     }
 
-    commit_start(bs, base_bs, top_bs, speed, on_error, block_job_cb, bs,
-                &local_err);
+    if (top_bs == bs) {
+        commit_active_start(bs, base_bs, speed, on_error, block_job_cb,
+                            bs, &local_err);
+    } else {
+        commit_start(bs, base_bs, top_bs, speed, on_error, block_job_cb, bs,
+                    &local_err);
+    }
     if (local_err != NULL) {
         error_propagate(errp, local_err);
         return;