From e26355e21520e56732f58590b812ca619b88ac72 Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Wed, 7 Dec 2022 12:27:14 +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 Reviewed-by: Christoph Hellwig Link: https://lore.kernel.org/r/20221207112722.22220-11-jack@suse.cz Signed-off-by: Theodore Ts'o --- 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,