Ext4 needs this function to allow safe migration for journalled data
pages.
Signed-off-by: Jan Kara <jack@xxxxxxx>
---
mm/migrate.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/mm/migrate.c b/mm/migrate.c
index dff333593a8a..5e4ca21da712 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_GPL(buffer_migrate_folio_norefs);
#endif
int filemap_migrate_folio(struct address_space *mapping,
--
2.35.3
