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-rw-r--r--include/block/export.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/block/export.h b/include/block/export.h
index 5236a35e12..e6f96f4e1e 100644
--- a/include/block/export.h
+++ b/include/block/export.h
@@ -41,6 +41,9 @@ struct BlockExport {
      * the export.
      */
     int refcount;
+
+    /* The AioContext whose lock protects this BlockExport object. */
+    AioContext *ctx;
 };
 
 BlockExport *blk_exp_add(BlockExportOptions *export, Error **errp);