Signed-off-by: Ming Lei <[email protected]>
---
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