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-rw-r--r--include/block/block-common.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/include/block/block-common.h b/include/block/block-common.h
index 2d2af7230d..d7599564db 100644
--- a/include/block/block-common.h
+++ b/include/block/block-common.h
@@ -66,13 +66,16 @@
* function. The coroutine yields after scheduling the BH and is reentered when
* the wrapped function returns.
*
- * A no_co_wrapper_bdrv_wrlock function is a no_co_wrapper function that
- * automatically takes the graph wrlock when calling the wrapped function.
+ * A no_co_wrapper_bdrv_rdlock function is a no_co_wrapper function that
+ * automatically takes the graph rdlock when calling the wrapped function. In
+ * the same way, no_co_wrapper_bdrv_wrlock functions automatically take the
+ * graph wrlock.
*
* If the first parameter of the function is a BlockDriverState, BdrvChild or
* BlockBackend pointer, the AioContext lock for it is taken in the wrapper.
*/
#define no_co_wrapper
+#define no_co_wrapper_bdrv_rdlock
#define no_co_wrapper_bdrv_wrlock
#include "block/blockjob.h"