From patchwork Tue Apr 5 11:56:47 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ming Lei X-Patchwork-Id: 8750091 Return-Path: X-Original-To: patchwork-linux-block@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 66B539F336 for ; Tue, 5 Apr 2016 11:58:53 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id A64412034F for ; Tue, 5 Apr 2016 11:58:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C93E8203AE for ; Tue, 5 Apr 2016 11:58:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756912AbcDEL6v (ORCPT ); Tue, 5 Apr 2016 07:58:51 -0400 Received: from mail-pf0-f194.google.com ([209.85.192.194]:36438 "EHLO mail-pf0-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755878AbcDEL6u (ORCPT ); Tue, 5 Apr 2016 07:58:50 -0400 Received: by mail-pf0-f194.google.com with SMTP id q129so1166818pfb.3; Tue, 05 Apr 2016 04:58:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=KJp7rEzN5gs7Izp89FP/odWXsm9C0l5cNCHUuRGfYa8=; b=iCk3DQKjgWVEUMQETkCyss6ingoK/qUWC0/v4C/A7e0ENGudAgBK7chj4H8QyzSn2Y I/CCwbt+9p15q9J/eQkA8t+yGQYOE1Mtn38W3BrjWfYZKh5LmGpxxXApMBdzMEHVV5Up hbAQ6Jgj2hdHXldwyOJ1r/LQ4yBmiYCwL0FqGEPC55DNUSSmlhRBU5OsnBIbHgtvUu5E dp1VKEweFbJ87J6UNZQxFiG/dOM0bHVTrcFl7o4/khZfe32Xpr/0xWksix2SMTr7nJTB VHN+luBTYFwaXGt4bXZKjK1K+nDWeK9MrFAGEb8G9FgoHT5B4xu5Y6p7oKFtRMCuo3Hf YlAg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=KJp7rEzN5gs7Izp89FP/odWXsm9C0l5cNCHUuRGfYa8=; b=Lm8sAqTCKFtqTjloS1gyS3BhzWng+t/3sp+XWeEd4kc/p79VpRjCEjln3S6Cm+WFJ+ y/uJsKc6GzavhOcLXHWcY4yOFGxUEFGmvHf/TAZKLq1rJsJeJufsixBOpyjSYWLIy5pX cuqmib3eE3UR+ArDytyXcFrECE1CxiYgUWGBVayxHhzqchrpGSN8x8CVxVKNUCBxvjAF uB+dZ+SKdGh9pLRQQ5SVwlulneqOwXXjFFs3bLONQNfcxeUQbh+QZdQV6fswWZpucwS8 hxkCY9uFjwUQOz1xRXZixluf0YS6wMS5SSEmMOkpWHuIeap1vQAAMc42s0hpTn0P14i6 yihg== X-Gm-Message-State: AD7BkJKsPAglN4JPR6mTR/c0p6CBycLIaJU8xUA93i3jgCMThwKLrg4Mk/9Ih+jPg+1wsA== X-Received: by 10.98.19.2 with SMTP id b2mr28938652pfj.93.1459857529582; Tue, 05 Apr 2016 04:58:49 -0700 (PDT) Received: from localhost (56.34.213.162.lcy-01.canonistack.canonical.com. [162.213.34.56]) by smtp.gmail.com with ESMTPSA id f8sm46464752pfj.49.2016.04.05.04.58.39 (version=TLS1_2 cipher=AES128-SHA bits=128/128); Tue, 05 Apr 2016 04:58:48 -0700 (PDT) From: Ming Lei To: Jens Axboe , linux-kernel@vger.kernel.org Cc: linux-block@vger.kernel.org, Christoph Hellwig , Boaz Harrosh , Ming Lei , Philipp Reisner , Lars Ellenberg , drbd-dev@lists.linbit.com (open list:DRBD DRIVER) Subject: [PATCH 02/27] block: drbd: use bio_get_base_vec() to retrieve the 1st bvec Date: Tue, 5 Apr 2016 19:56:47 +0800 Message-Id: <1459857443-20611-3-git-send-email-tom.leiming@gmail.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1459857443-20611-1-git-send-email-tom.leiming@gmail.com> References: <1459857443-20611-1-git-send-email-tom.leiming@gmail.com> Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org X-Spam-Status: No, score=-7.8 required=5.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, T_DKIM_INVALID, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Ming Lei --- drivers/block/drbd/drbd_bitmap.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c index 92d6fc0..ccbd1e0 100644 --- a/drivers/block/drbd/drbd_bitmap.c +++ b/drivers/block/drbd/drbd_bitmap.c @@ -938,7 +938,9 @@ static void drbd_bm_endio(struct bio *bio) struct drbd_bm_aio_ctx *ctx = bio->bi_private; struct drbd_device *device = ctx->device; struct drbd_bitmap *b = device->bitmap; - unsigned int idx = bm_page_to_idx(bio->bi_io_vec[0].bv_page); + /* single bvec bio */ + const struct bio_vec *bvec = bio_get_base_vec(bio); + unsigned int idx = bm_page_to_idx(bvec->bv_page); if ((ctx->flags & BM_AIO_COPY_PAGES) == 0 && !bm_test_page_unchanged(b->bm_pages[idx]))