From: Yu Kuai <yuku...@huawei.com>
Currently btrfs is using __bio_add_page() in write_dev_supers(). In order
to convert to use folio for bdev in btrfs, export bio_add_folio_nofail()
so that it can replace __bio_add_page().
Signed-off-by: Yu Kuai <yuku...@huawei.com>
---
block/bio.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/block/bio.c b/block/bio.c
index 5eba53ca953b..a7b2bbb210ee 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -1119,6 +1119,7 @@ void bio_add_folio_nofail(struct bio *bio, struct folio
*folio, size_t len,
WARN_ON_ONCE(off > UINT_MAX);
__bio_add_page(bio, &folio->page, len, off);
}
+EXPORT_SYMBOL_GPL(bio_add_folio_nofail);
/**
* bio_add_folio - Attempt to add part of a folio to a bio.
--
2.39.2
