From 4e86baf7d6c40ad416349caf98358e4660e11109 Mon Sep 17 00:00:00 2001
From: Zsolt Parragi <zsolt.parragi@percona.com>
Date: Mon, 15 Jun 2026 23:04:01 +0000
Subject: [PATCH] Mark MdSMgrId PGDLLIMPORT

Needed so loadable modules can reference the builtin md smgr id across
the DLL boundary on Windows; no-op elsewhere.
---
 src/include/storage/md.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/include/storage/md.h b/src/include/storage/md.h
index 569a00336a6d2..03be8dc200168 100644
--- a/src/include/storage/md.h
+++ b/src/include/storage/md.h
@@ -24,7 +24,7 @@ extern PGDLLIMPORT PgAioHandleCallbacks aio_md_readv_cb;
 
 /* registration function for md storage manager */
 extern void mdsmgr_register(void);
-extern SMgrId MdSMgrId;
+extern PGDLLIMPORT SMgrId MdSMgrId;
 
 /* md storage manager functionality */
 extern void mdinit(void);