diff --git a/include/sysemu/blockdev.h b/include/sysemu/blockdev.h
index f9fb54d437..3211b16513 100644
--- a/include/sysemu/blockdev.h
+++ b/include/sysemu/blockdev.h
@@ -13,9 +13,6 @@
 #include "block/block.h"
 #include "qemu/queue.h"
 
-void blockdev_mark_auto_del(BlockBackend *blk);
-void blockdev_auto_del(BlockBackend *blk);
-
 typedef enum {
     IF_DEFAULT = -1,            /* for use with drive_add() only */
     /*
@@ -38,6 +35,16 @@ struct DriveInfo {
     QTAILQ_ENTRY(DriveInfo) next;
 };
 
+/*
+ * Global state (GS) API. These functions run under the BQL.
+ *
+ * See include/block/block-global-state.h for more information about
+ * the GS API.
+ */
+
+void blockdev_mark_auto_del(BlockBackend *blk);
+void blockdev_auto_del(BlockBackend *blk);
+
 DriveInfo *blk_legacy_dinfo(BlockBackend *blk);
 DriveInfo *blk_set_legacy_dinfo(BlockBackend *blk, DriveInfo *dinfo);
 BlockBackend *blk_by_legacy_dinfo(DriveInfo *dinfo);