diff mbox series

[v4,11/13] mm: Export buffer_migrate_folio_norefs()

Message ID 20221207112722.22220-11-jack@suse.cz
State Accepted
Headers show
Series ext4: Stop using ext4_writepage() for writeout of ordered data | expand

Commit Message

Jan Kara Dec. 7, 2022, 11:27 a.m. UTC 
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(+)

Comments

Christoph Hellwig Dec. 7, 2022, 11:59 a.m. UTC | #1 
Looks good:

Reviewed-by: Christoph Hellwig <hch@lst.de>
diff mbox series

Patch

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,