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

Ming Lei
2017-02-16T11:47:02Z

Avoid to direct access to bvec table.

Signed-off-by: Ming Lei <tom.leiming@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