From patchwork Tue Mar 8 12:47:50 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kevin Wolf X-Patchwork-Id: 8533671 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 AA32BC0553 for ; Tue, 8 Mar 2016 12:51:25 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 0E41320165 for ; Tue, 8 Mar 2016 12:51:25 +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 591C820114 for ; Tue, 8 Mar 2016 12:51:24 +0000 (UTC) Received: from localhost ([::1]:34201 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1adH6h-00022G-L3 for patchwork-qemu-devel@patchwork.kernel.org; Tue, 08 Mar 2016 07:51:23 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40402) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1adH3a-0005Fw-Ff for qemu-devel@nongnu.org; Tue, 08 Mar 2016 07:48:14 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1adH3Z-0005T7-HV for qemu-devel@nongnu.org; Tue, 08 Mar 2016 07:48:10 -0500 Received: from mx1.redhat.com ([209.132.183.28]:44058) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1adH3U-0005Qw-Eg; Tue, 08 Mar 2016 07:48:04 -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 0EC4F6540C; Tue, 8 Mar 2016 12:48:04 +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 u28CltVw024869; Tue, 8 Mar 2016 07:48:02 -0500 From: Kevin Wolf To: qemu-block@nongnu.org Date: Tue, 8 Mar 2016 13:47:50 +0100 Message-Id: <1457441273-29821-6-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-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Tue, 08 Mar 2016 12:48:04 +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, stefanha@redhat.com, mreitz@redhat.com Subject: [Qemu-devel] [PATCH 5/8] block: Use blk_co_pwritev() in blk_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 | 17 ++++++++--------- 1 file changed, 8 insertions(+), 9 deletions(-) diff --git a/block/block-backend.c b/block/block-backend.c index 4fd0545..5b9d387 100644 --- a/block/block-backend.c +++ b/block/block-backend.c @@ -748,7 +748,8 @@ static void blk_write_entry(void *opaque) } static int blk_rw(BlockBackend *blk, int64_t sector_num, uint8_t *buf, - int nb_sectors, CoroutineEntry co_entry) + int nb_sectors, CoroutineEntry co_entry, + BdrvRequestFlags flags) { AioContext *aio_context; QEMUIOVector qiov; @@ -770,6 +771,7 @@ static int blk_rw(BlockBackend *blk, int64_t sector_num, uint8_t *buf, .blk = blk, .offset = sector_num << BDRV_SECTOR_BITS, .qiov = &qiov, + .flags = flags, .ret = NOT_DONE, }; @@ -787,7 +789,7 @@ static int blk_rw(BlockBackend *blk, int64_t sector_num, uint8_t *buf, int blk_read(BlockBackend *blk, int64_t sector_num, uint8_t *buf, int nb_sectors) { - return blk_rw(blk, sector_num, buf, nb_sectors, blk_read_entry); + return blk_rw(blk, sector_num, buf, nb_sectors, blk_read_entry, 0); } int blk_read_unthrottled(BlockBackend *blk, int64_t sector_num, uint8_t *buf, @@ -812,18 +814,15 @@ int blk_read_unthrottled(BlockBackend *blk, int64_t sector_num, uint8_t *buf, int blk_write(BlockBackend *blk, int64_t sector_num, const uint8_t *buf, int nb_sectors) { - return blk_rw(blk, sector_num, (uint8_t*) buf, nb_sectors, blk_write_entry); + return blk_rw(blk, sector_num, (uint8_t*) buf, nb_sectors, + blk_write_entry, 0); } int blk_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; - } - - return bdrv_write_zeroes(blk_bs(blk), sector_num, nb_sectors, flags); + return blk_rw(blk, sector_num, NULL, nb_sectors, blk_write_entry, + BDRV_REQ_ZERO_WRITE); } static void error_callback_bh(void *opaque)