From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ming Lei Subject: [PATCH 11/17] md: raid1: use bio helper in process_checks() Date: Thu, 16 Feb 2017 19:45:41 +0800 Message-ID: <1487245547-24384-12-git-send-email-tom.leiming@gmail.com> References: <1487245547-24384-1-git-send-email-tom.leiming@gmail.com> Return-path: In-Reply-To: <1487245547-24384-1-git-send-email-tom.leiming@gmail.com> Sender: linux-kernel-owner@vger.kernel.org To: Shaohua Li , Jens Axboe , linux-kernel@vger.kernel.org, linux-raid@vger.kernel.org, linux-block@vger.kernel.org, Christoph Hellwig , NeilBrown Cc: Ming Lei List-Id: linux-raid.ids Avoid to direct access to bvec table. Signed-off-by: Ming Lei --- 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