From: Ming Lei <tom.leiming@gmail.com>
To: Jens Axboe <axboe@fb.com>, linux-kernel@vger.kernel.org
Cc: linux-block@vger.kernel.org,
Christoph Hellwig <hch@infradead.org>,
Ming Lei <tom.leiming@gmail.com>,
Alasdair Kergon <agk@redhat.com>,
Mike Snitzer <snitzer@redhat.com>,
"maintainer:DEVICE-MAPPER LVM" <dm-devel@redhat.com>,
Shaohua Li <shli@kernel.org>,
"open list:SOFTWARE RAID Multiple Disks SUPPORT"
<linux-raid@vger.kernel.org>
Subject: [PATCH v1 18/27] dm: dm-io.c: use bio_get_base_vec()
Date: Thu, 14 Apr 2016 20:02:36 +0800 [thread overview]
Message-ID: <1460635375-28282-19-git-send-email-tom.leiming@gmail.com> (raw)
In-Reply-To: <1460635375-28282-1-git-send-email-tom.leiming@gmail.com>
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
---
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
next prev parent reply other threads:[~2016-04-14 12:02 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-14 12:02 [PATCH v1 00/27] block: cleanup direct access to .bi_vcnt & .bi_io_vec Ming Lei
2016-04-14 12:02 ` [PATCH v1 10/27] bcache: debug: avoid to access .bi_io_vec directly Ming Lei
2016-04-14 12:02 ` [PATCH v1 11/27] bcache: io.c: use bio_set_vec_table Ming Lei
2016-04-14 12:02 ` [PATCH v1 12/27] bcache: journal.c: use bio_set_vec_table() Ming Lei
2016-04-14 12:02 ` [PATCH v1 13/27] bcache: movinggc: " Ming Lei
2016-04-14 12:02 ` [PATCH v1 14/27] bcache: writeback: " Ming Lei
2016-04-14 12:02 ` [PATCH v1 15/27] bcache: super: " Ming Lei
2016-04-14 12:02 ` [PATCH v1 16/27] bcache: super: use bio_get_base_vec Ming Lei
2016-04-14 12:02 ` [PATCH v1 17/27] dm: crypt: use bio_add_page() Ming Lei
2016-04-14 12:02 ` Ming Lei [this message]
2016-04-14 12:02 ` [PATCH v1 19/27] dm: dm.c: replace 'bio->bi_vcnt == 1' with !bio_multiple_segments Ming Lei
2016-04-14 12:02 ` [PATCH v1 20/27] dm: dm-bufio.c: use bio_set_vec_table() Ming Lei
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