diff --git a/fs/mpage.c b/fs/mpage.c
index 3e79220babac..a3ccb0bd465a 100644
--- a/fs/mpage.c
+++ b/fs/mpage.c
@@ -605,6 +605,8 @@ static int __mpage_writepage(struct page *page, struct writeback_control *wbc,
 				bio_get_nr_vecs(bdev), GFP_NOFS|__GFP_HIGH);
 		if (bio == NULL)
 			goto confused;
+
+		bio_associate_blkcg(bio, inode_to_wb_blkcg_css(inode));
 	}
 
 	/*