block: export bio_free_pages to other modules
bio_free_pages is introduced in commit 1dfa0f68c040
("block: add a helper to free bio bounce buffer pages"),
we can reuse the func in other modules after it was
imported.
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Jens Axboe <axboe@fb.com>
Cc: Mike Snitzer <snitzer@redhat.com>
Cc: Shaohua Li <shli@fb.com>
Signed-off-by: Guoqing Jiang <gqjiang@suse.com>
Acked-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c
index 4b177fe..40ffe5e 100644
--- a/drivers/md/bcache/request.c
+++ b/drivers/md/bcache/request.c
@@ -694,13 +694,8 @@
if (s->iop.replace_collision)
bch_mark_cache_miss_collision(s->iop.c, s->d);
- if (s->iop.bio) {
- int i;
- struct bio_vec *bv;
-
- bio_for_each_segment_all(bv, s->iop.bio, i)
- __free_page(bv->bv_page);
- }
+ if (s->iop.bio)
+ bio_free_pages(s->iop.bio);
cached_dev_bio_complete(cl);
}