From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qt0-f200.google.com (mail-qt0-f200.google.com [209.85.216.200]) by kanga.kvack.org (Postfix) with ESMTP id D5AEE6B0292 for ; Tue, 8 Aug 2017 04:46:25 -0400 (EDT) Received: by mail-qt0-f200.google.com with SMTP id 6so12647831qts.7 for ; Tue, 08 Aug 2017 01:46:25 -0700 (PDT) Received: from mx1.redhat.com (mx1.redhat.com. [209.132.183.28]) by mx.google.com with ESMTPS id 102si906924qkq.362.2017.08.08.01.46.25 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 08 Aug 2017 01:46:25 -0700 (PDT) From: 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> Sender: owner-linux-mm@kvack.org List-ID: 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 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 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org