>From 69eb9d34de54862f8653a3c2ca4f96891e69f64b Mon Sep 17 00:00:00 2001
From: Jan Kara <jack@suse.cz>
Date: Tue, 6 Dec 2022 11:42:29 +0100
Subject: [PATCH] mm: Export buffer_migrate_folio_norefs()

Ext4 needs this function to allow safe migration for journalled data
pages.

Signed-off-by: Jan Kara <jack@suse.cz>
---
 mm/migrate.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mm/migrate.c b/mm/migrate.c
index dff333593a8a..f00f5f6607b2 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -820,6 +820,7 @@ int buffer_migrate_folio_norefs(struct address_space *mapping,
 {
 	return __buffer_migrate_folio(mapping, dst, src, mode, true);
 }
+EXPORT_SYMBOL(buffer_migrate_folio_norefs);
 #endif
 
 int filemap_migrate_folio(struct address_space *mapping,
-- 
2.35.3