From patchwork Thu Mar 17 15:56:40 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kevin Wolf X-Patchwork-Id: 8612811 Return-Path: X-Original-To: patchwork-qemu-devel@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 BC65B9F6E1 for ; Thu, 17 Mar 2016 16:11:19 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 35A4E20361 for ; Thu, 17 Mar 2016 16:11:19 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8FAFA20351 for ; Thu, 17 Mar 2016 16:11:18 +0000 (UTC) Received: from localhost ([::1]:36298 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1agaW5-00075K-Rp for patchwork-qemu-devel@patchwork.kernel.org; Thu, 17 Mar 2016 12:11:17 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:38200) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1agaIl-0002y2-1J for qemu-devel@nongnu.org; Thu, 17 Mar 2016 11:57:34 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1agaIh-0001sp-6b for qemu-devel@nongnu.org; Thu, 17 Mar 2016 11:57:30 -0400 Received: from mx1.redhat.com ([209.132.183.28]:36932) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1agaIc-0001r5-C6; Thu, 17 Mar 2016 11:57:22 -0400 Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) by mx1.redhat.com (Postfix) with ESMTPS id E50265F28; Thu, 17 Mar 2016 15:57:21 +0000 (UTC) Received: from noname.redhat.com (ovpn-116-71.ams2.redhat.com [10.36.116.71]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u2HFuj1X010106; Thu, 17 Mar 2016 11:57:21 -0400 From: Kevin Wolf To: qemu-block@nongnu.org Date: Thu, 17 Mar 2016 16:56:40 +0100 Message-Id: <1458230202-29136-28-git-send-email-kwolf@redhat.com> In-Reply-To: <1458230202-29136-1-git-send-email-kwolf@redhat.com> References: <1458230202-29136-1-git-send-email-kwolf@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Thu, 17 Mar 2016 15:57:21 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Cc: kwolf@redhat.com, qemu-devel@nongnu.org Subject: [Qemu-devel] [PULL 27/29] block: Use blk_co_pwritev() in blk_co_write_zeroes() X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, UNPARSEABLE_RELAY autolearn=unavailable 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: Kevin Wolf --- block/block-backend.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/block/block-backend.c b/block/block-backend.c index 972a617..dca21d1 100644 --- a/block/block-backend.c +++ b/block/block-backend.c @@ -1462,12 +1462,13 @@ void *blk_aio_get(const AIOCBInfo *aiocb_info, BlockBackend *blk, int coroutine_fn blk_co_write_zeroes(BlockBackend *blk, int64_t sector_num, int nb_sectors, BdrvRequestFlags flags) { - int ret = blk_check_request(blk, sector_num, nb_sectors); - if (ret < 0) { - return ret; + if (nb_sectors < 0 || nb_sectors > BDRV_REQUEST_MAX_SECTORS) { + return -EINVAL; } - return bdrv_co_write_zeroes(blk_bs(blk), sector_num, nb_sectors, flags); + return blk_co_pwritev(blk, sector_num << BDRV_SECTOR_BITS, + nb_sectors << BDRV_SECTOR_BITS, NULL, + BDRV_REQ_ZERO_WRITE); } int blk_write_compressed(BlockBackend *blk, int64_t sector_num,