From patchwork Tue Mar 8 12:47:53 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kevin Wolf X-Patchwork-Id: 8533631 Return-Path: X-Original-To: patchwork-qemu-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id BEFA8C0553 for ; Tue, 8 Mar 2016 12:48:32 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 383B320165 for ; Tue, 8 Mar 2016 12:48:32 +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 8CC0E20114 for ; Tue, 8 Mar 2016 12:48:31 +0000 (UTC) Received: from localhost ([::1]:34172 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1adH3u-0005Tx-W7 for patchwork-qemu-devel@patchwork.kernel.org; Tue, 08 Mar 2016 07:48:31 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40453) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1adH3e-0005OV-6E for qemu-devel@nongnu.org; Tue, 08 Mar 2016 07:48:15 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1adH3d-0005U2-C7 for qemu-devel@nongnu.org; Tue, 08 Mar 2016 07:48:14 -0500 Received: from mx1.redhat.com ([209.132.183.28]:36744) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1adH3Y-0005SO-8Z; Tue, 08 Mar 2016 07:48:08 -0500 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 D1EC33024BC; Tue, 8 Mar 2016 12:48:07 +0000 (UTC) Received: from noname.str.redhat.com. (dhcp-192-197.str.redhat.com [10.33.192.197]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u28CltW1024869; Tue, 8 Mar 2016 07:48:06 -0500 From: Kevin Wolf To: qemu-block@nongnu.org Date: Tue, 8 Mar 2016 13:47:53 +0100 Message-Id: <1457441273-29821-9-git-send-email-kwolf@redhat.com> In-Reply-To: <1457441273-29821-1-git-send-email-kwolf@redhat.com> References: <1457441273-29821-1-git-send-email-kwolf@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 209.132.183.28 Cc: kwolf@redhat.com, qemu-devel@nongnu.org, stefanha@redhat.com, mreitz@redhat.com Subject: [Qemu-devel] [PATCH 8/8] 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 2947e8c..1c2ea72 100644 --- a/block/block-backend.c +++ b/block/block-backend.c @@ -1465,12 +1465,13 @@ 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,