From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DA4ABC282CE for ; Tue, 4 Jun 2019 16:24:38 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B284520693 for ; Tue, 4 Jun 2019 16:24:38 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B284520693 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=virtuozzo.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([127.0.0.1]:54943 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hYCEn-0007bB-Nn for qemu-devel@archiver.kernel.org; Tue, 04 Jun 2019 12:24:37 -0400 Received: from eggs.gnu.org ([209.51.188.92]:35856) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hYC6F-00016U-Ta for qemu-devel@nongnu.org; Tue, 04 Jun 2019 12:15:48 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hYC6B-0005h4-B1 for qemu-devel@nongnu.org; Tue, 04 Jun 2019 12:15:45 -0400 Received: from relay.sw.ru ([185.231.240.75]:41664) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hYC6A-0005C3-NU; Tue, 04 Jun 2019 12:15:43 -0400 Received: from [10.94.3.0] (helo=kvm.qa.sw.ru) by relay.sw.ru with esmtp (Exim 4.91) (envelope-from ) id 1hYC5i-0005Pq-PQ; Tue, 04 Jun 2019 19:15:15 +0300 From: Vladimir Sementsov-Ogievskiy To: qemu-devel@nongnu.org, qemu-block@nongnu.org Date: Tue, 4 Jun 2019 19:15:02 +0300 Message-Id: <20190604161514.262241-1-vsementsov@virtuozzo.com> X-Mailer: git-send-email 2.18.0 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 185.231.240.75 Subject: [Qemu-devel] [PATCH v2 00/12] block: qiov_offset parameter for io X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: fam@euphon.net, kwolf@redhat.com, vsementsov@virtuozzo.com, mreitz@redhat.com, stefanha@redhat.com, den@openvz.org, jsnow@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Hi all! Here is new parameter qiov_offset for io path, to avoid a lot of places with same pattern of creating local_qiov or hd_qiov variables. These series also includes my "[Qemu-devel] [PATCH 0/2] block/io: refactor padding" with some changes [described in 01 and 03 emails] Vladimir Sementsov-Ogievskiy (12): util/iov: introduce qemu_iovec_init_extended util/iov: improve qemu_iovec_is_zero block/io: refactor padding block: define .*_part io handlers in BlockDriver block/io: bdrv_co_do_copy_on_readv: use and support qiov_offset block/io: bdrv_co_do_copy_on_readv: lazy allocation block/io: bdrv_aligned_preadv: use and support qiov_offset block/io: bdrv_aligned_pwritev: use and support qiov_offset block/io: introduce bdrv_co_p{read,write}v_part block/qcow2: refactor qcow2_co_preadv to use buffer-based io block/qcow2: implement .bdrv_co_preadv_part block/qcow2: implement .bdrv_co_pwritev(_compressed)_part block/qcow2.h | 1 + include/block/block_int.h | 21 ++ include/qemu/iov.h | 10 +- block/backup.c | 2 +- block/io.c | 532 ++++++++++++++++++++++---------------- block/qcow2-cluster.c | 14 +- block/qcow2.c | 131 +++++----- qemu-img.c | 4 +- util/iov.c | 153 +++++++++-- 9 files changed, 559 insertions(+), 309 deletions(-) -- 2.18.0