From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ming Lei Subject: [PATCH 18/27] dm: dm-io.c: use bio_get_base_vec() Date: Tue, 5 Apr 2016 20:07:33 +0800 Message-ID: <1459858062-21075-4-git-send-email-tom.leiming@gmail.com> References: <1459858062-21075-1-git-send-email-tom.leiming@gmail.com> Return-path: In-Reply-To: <1459858062-21075-1-git-send-email-tom.leiming@gmail.com> Sender: linux-kernel-owner@vger.kernel.org To: Jens Axboe , linux-kernel@vger.kernel.org Cc: linux-block@vger.kernel.org, Christoph Hellwig , Boaz Harrosh , Ming Lei , Alasdair Kergon , Mike Snitzer , "maintainer:DEVICE-MAPPER LVM" , Shaohua Li , "open list:SOFTWARE RAID Multiple Disks SUPPORT" List-Id: dm-devel.ids Signed-off-by: Ming Lei --- drivers/md/dm-io.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/md/dm-io.c b/drivers/md/dm-io.c index 06d426e..6b0e466 100644 --- a/drivers/md/dm-io.c +++ b/drivers/md/dm-io.c @@ -221,7 +221,12 @@ static void bio_dp_init(struct dpages *dp, struct bio *bio) { dp->get_page = bio_get_page; dp->next_page = bio_next_page; - dp->context_ptr = __bvec_iter_bvec(bio->bi_io_vec, bio->bi_iter); + + /* + * need to fix both bio_get_page() and bio_next_page() + * before multipage bvecs + */ + dp->context_ptr = bio_get_base_vec(bio); dp->context_u = bio->bi_iter.bi_bvec_done; } -- 1.9.1