Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752276AbdHHIq0 (ORCPT ); Tue, 8 Aug 2017 04:46:26 -0400 Received: from mx1.redhat.com ([209.132.183.28]:46684 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752110AbdHHIqY (ORCPT ); Tue, 8 Aug 2017 04:46:24 -0400 DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 3F8EC7F40C Authentication-Results: ext-mx01.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx01.extmail.prod.ext.phx2.redhat.com; spf=fail smtp.mailfrom=ming.lei@redhat.com From: Ming Lei To: Jens Axboe , Christoph Hellwig , Huang Ying , Andrew Morton , Alexander Viro Cc: linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, Ming Lei Subject: [PATCH v3 01/49] block: drbd: comment on direct access bvec table Date: Tue, 8 Aug 2017 16:45:00 +0800 Message-Id: <20170808084548.18963-2-ming.lei@redhat.com> In-Reply-To: <20170808084548.18963-1-ming.lei@redhat.com> References: <20170808084548.18963-1-ming.lei@redhat.com> X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.25]); Tue, 08 Aug 2017 08:46:24 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 692 Lines: 19 Signed-off-by: Ming Lei --- drivers/block/drbd/drbd_bitmap.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c index 809fd245c3dc..70890d950dc9 100644 --- a/drivers/block/drbd/drbd_bitmap.c +++ b/drivers/block/drbd/drbd_bitmap.c @@ -953,6 +953,7 @@ 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; + /* single page bio, safe for multipage bvec */ unsigned int idx = bm_page_to_idx(bio->bi_io_vec[0].bv_page); if ((ctx->flags & BM_AIO_COPY_PAGES) == 0 && -- 2.9.4