[PATCH 57/60] bcache: convert to bio_for_each_segment_all_rd()

[Ming Lei]

Signed-off-by: Ming Lei <tom.leim...@gmail.com>
---
 drivers/md/bcache/btree.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c
index b419bc91ba32..89abada6a091 100644
--- a/drivers/md/bcache/btree.c
+++ b/drivers/md/bcache/btree.c
@@ -419,8 +419,9 @@ static void do_btree_node_write(struct btree *b)
                int j;
                struct bio_vec *bv;
                void *base = (void *) ((unsigned long) i & ~(PAGE_SIZE - 1));
+               struct bvec_iter_all bia;
 
-               bio_for_each_segment_all(bv, b->bio, j)
+               bio_for_each_segment_all_rd(bv, b->bio, j, bia)
                        memcpy(page_address(bv->bv_page),
                               base + j * PAGE_SIZE, PAGE_SIZE);
 
-- 
2.7.4