block: export bio_release_pages and bio_iov_iter_get_pages

Export bio_release_pages and bio_iov_iter_get_pages, so they can be used
from modular code.

Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/block/bio.c b/block/bio.c
index 3aa3c4ce2e5ef212f2624e8f2f099512eccad81a..e4c46e2bd5ba5019c4eecc5dfd06ebcfa7d41dfd 100644 (file)
--- a/block/bio.c
+++ b/block/bio.c
@@ -951,6 +951,7 @@ void bio_release_pages(struct bio *bio, bool mark_dirty)
                put_page(bvec->bv_page);
        }
 }
+EXPORT_SYMBOL_GPL(bio_release_pages);
 
 static int __bio_iov_bvec_add_pages(struct bio *bio, struct iov_iter *iter)
 {
@@ -1114,6 +1115,7 @@ int bio_iov_iter_get_pages(struct bio *bio, struct iov_iter *iter)
                bio_set_flag(bio, BIO_NO_PAGE_REF);
        return bio->bi_vcnt ? 0 : ret;
 }
+EXPORT_SYMBOL_GPL(bio_iov_iter_get_pages);
 
 static void submit_bio_wait_endio(struct bio *bio)
 {