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-rw-r--r--include/block/block_int.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/block/block_int.h b/include/block/block_int.h
index 3e79228eb0..e96e9ada57 100644
--- a/include/block/block_int.h
+++ b/include/block/block_int.h
@@ -244,6 +244,8 @@ struct BlockDriver {
     BlockAIOCB *(*bdrv_aio_ioctl)(BlockDriverState *bs,
         unsigned long int req, void *buf,
         BlockCompletionFunc *cb, void *opaque);
+    int coroutine_fn (*bdrv_co_ioctl)(BlockDriverState *bs,
+                                      unsigned long int req, void *buf);
 
     /* List of options for creating images, terminated by name == NULL */
     QemuOptsList *create_opts;