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-rw-r--r--include/block/block_int.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/block/block_int.h b/include/block/block_int.h
index 8f8e65e763..f6c3befed8 100644
--- a/include/block/block_int.h
+++ b/include/block/block_int.h
@@ -261,6 +261,11 @@ struct BlockDriver {
void (*bdrv_attach_aio_context)(BlockDriverState *bs,
AioContext *new_context);
+ /* io queue for linux-aio */
+ void (*bdrv_io_plug)(BlockDriverState *bs);
+ void (*bdrv_io_unplug)(BlockDriverState *bs);
+ void (*bdrv_flush_io_queue)(BlockDriverState *bs);
+
QLIST_ENTRY(BlockDriver) list;
};