Message ID | 1460635375-28282-19-git-send-email-tom.leiming@gmail.com (mailing list archive) |
---|---|
State | Superseded, archived |
Delegated to: | Mike Snitzer |
Headers | show
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Thu, 14 Apr 2016 05:03:38 -0700 (PDT) Received: from localhost ([12.228.154.70]) by smtp.gmail.com with ESMTPSA id g9sm7921952otc.9.2016.04.14.05.03.37 (version=TLS1_2 cipher=AES128-SHA bits=128/128); Thu, 14 Apr 2016 05:03:38 -0700 (PDT) From: Ming Lei <tom.leiming@gmail.com> To: Jens Axboe <axboe@fb.com>, linux-kernel@vger.kernel.org Date: Thu, 14 Apr 2016 20:02:36 +0800 Message-Id: <1460635375-28282-19-git-send-email-tom.leiming@gmail.com> In-Reply-To: <1460635375-28282-1-git-send-email-tom.leiming@gmail.com> References: <1460635375-28282-1-git-send-email-tom.leiming@gmail.com> X-RedHat-Spam-Score: -0.02 (BAYES_50, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, FREEMAIL_FROM, RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL, SPF_PASS) 209.85.218.66 mail-oi0-f66.google.com 209.85.218.66 mail-oi0-f66.google.com <tom.leiming@gmail.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Scanned-By: MIMEDefang 2.75 on 10.5.110.26 X-loop: dm-devel@redhat.com X-Mailman-Approved-At: Mon, 18 Apr 2016 03:22:14 -0400 Cc: Christoph Hellwig <hch@infradead.org>, Mike Snitzer <snitzer@redhat.com>, Ming Lei <tom.leiming@gmail.com>, linux-block@vger.kernel.org, "maintainer:DEVICE-MAPPER LVM, Shaohua Li <shli@kernel.org>, linux-raid@vger.kernel.org open list:SOFTWARE RAID Multiple DisksSUPPORT" <dm-devel@redhat.com>, Alasdair Kergon <agk@redhat.com> Subject: [dm-devel] [PATCH v1 18/27] dm: dm-io.c: use bio_get_base_vec() X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: device-mapper development <dm-devel.redhat.com> List-Unsubscribe: <https://www.redhat.com/mailman/options/dm-devel>, <mailto:dm-devel-request@redhat.com?subject=unsubscribe> List-Archive: <https://www.redhat.com/archives/dm-devel> List-Post: <mailto:dm-devel@redhat.com> List-Help: <mailto:dm-devel-request@redhat.com?subject=help> List-Subscribe: <https://www.redhat.com/mailman/listinfo/dm-devel>, <mailto:dm-devel-request@redhat.com?subject=subscribe> MIME-Version: 1.0 Content-Type: text/plain; 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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; }
Signed-off-by: Ming Lei <tom.leiming@gmail.com> --- drivers/md/dm-io.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)