[PATCH 11/17] md: raid1: use bio helper in process_checks()

[Ming Lei]

Avoid to direct access to bvec table.

Signed-off-by: Ming Lei <tom.leim...@gmail.com>
---
 drivers/md/raid1.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 02ee8542295d..4400fbe7ce8c 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -2017,6 +2017,7 @@ static void process_checks(struct r1bio *r1_bio)
                int j;
                int size;
                int error;
+               struct bio_vec *bi;
                struct bio *b = r1_bio->bios[i];
                if (b->bi_end_io != end_sync_read)
                        continue;
@@ -2033,9 +2034,7 @@ static void process_checks(struct r1bio *r1_bio)
                b->bi_private = r1_bio;
 
                size = b->bi_iter.bi_size;
-               for (j = 0; j < vcnt ; j++) {
-                       struct bio_vec *bi;
-                       bi = &b->bi_io_vec[j];
+               bio_for_each_segment_all(bi, b, j) {
                        bi->bv_offset = 0;
                        if (size > PAGE_SIZE)
                                bi->bv_len = PAGE_SIZE;
-- 
2.7.4