From patchwork Wed Jul 27 07:01:47 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Changlong Xie X-Patchwork-Id: 9249291 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id CDFEC6077C for ; Wed, 27 Jul 2016 06:58:21 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BD484271FD for ; Wed, 27 Jul 2016 06:58:21 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B1E1027BE5; Wed, 27 Jul 2016 06:58:21 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 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.wl.linuxfoundation.org (Postfix) with ESMTPS id 32FC8271FD for ; Wed, 27 Jul 2016 06:58:21 +0000 (UTC) Received: from localhost ([::1]:44359 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bSInM-0002vc-Dt for patchwork-qemu-devel@patchwork.kernel.org; Wed, 27 Jul 2016 02:58:20 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:35868) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bSIlq-0001zF-4k for qemu-devel@nongnu.org; Wed, 27 Jul 2016 02:56:47 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bSIln-00040u-NJ for qemu-devel@nongnu.org; Wed, 27 Jul 2016 02:56:45 -0400 Received: from [59.151.112.132] (port=38781 helo=heian.cn.fujitsu.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bSIlj-0003vt-9n; Wed, 27 Jul 2016 02:56:40 -0400 X-IronPort-AV: E=Sophos;i="5.22,518,1449504000"; d="scan'208";a="9142292" Received: from unknown (HELO cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 27 Jul 2016 14:56:29 +0800 Received: from G08CNEXCHPEKD03.g08.fujitsu.local (unknown [10.167.33.85]) by cn.fujitsu.com (Postfix) with ESMTP id A127D42984D8; Wed, 27 Jul 2016 14:56:28 +0800 (CST) Received: from changlox.g08.fujitsu.local (10.167.225.55) by G08CNEXCHPEKD03.g08.fujitsu.local (10.167.33.89) with Microsoft SMTP Server (TLS) id 14.3.279.2; Wed, 27 Jul 2016 14:56:28 +0800 From: Changlong Xie To: qemu devel , qemu block , Stefan Hajnoczi , Fam Zheng , Max Reitz , Kevin Wolf , Jeff Cody Date: Wed, 27 Jul 2016 15:01:47 +0800 Message-ID: <1469602913-20979-7-git-send-email-xiecl.fnst@cn.fujitsu.com> X-Mailer: git-send-email 1.9.3 In-Reply-To: <1469602913-20979-1-git-send-email-xiecl.fnst@cn.fujitsu.com> References: <1469602913-20979-1-git-send-email-xiecl.fnst@cn.fujitsu.com> MIME-Version: 1.0 X-Originating-IP: [10.167.225.55] X-yoursite-MailScanner-ID: A127D42984D8.A22D9 X-yoursite-MailScanner: Found to be clean X-yoursite-MailScanner-From: xiecl.fnst@cn.fujitsu.com X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 59.151.112.132 Subject: [Qemu-devel] [PATCH v24 06/12] auto complete active commit 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: Changlong Xie , Wang Weiwei , zhanghailiang , Jiang Yunhong , Dong Eddie , Markus Armbruster , "Dr. David Alan Gilbert" , Gonglei , Paolo Bonzini , John Snow Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: Wen Congyang Auto complete mirror job in background to prevent from blocking synchronously Signed-off-by: Wen Congyang Signed-off-by: Changlong Xie Signed-off-by: Wang WeiWei --- block/mirror.c | 13 +++++++++---- blockdev.c | 2 +- include/block/block_int.h | 3 ++- qemu-img.c | 2 +- 4 files changed, 13 insertions(+), 7 deletions(-) diff --git a/block/mirror.c b/block/mirror.c index b1e633e..63ed253 100644 --- a/block/mirror.c +++ b/block/mirror.c @@ -856,7 +856,8 @@ static void mirror_start_job(const char *job_id, BlockDriverState *bs, BlockCompletionFunc *cb, void *opaque, Error **errp, const BlockJobDriver *driver, - bool is_none_mode, BlockDriverState *base) + bool is_none_mode, BlockDriverState *base, + bool auto_complete) { MirrorBlockJob *s; @@ -892,6 +893,9 @@ static void mirror_start_job(const char *job_id, BlockDriverState *bs, s->granularity = granularity; s->buf_size = ROUND_UP(buf_size, granularity); s->unmap = unmap; + if (auto_complete) { + s->should_complete = true; + } s->dirty_bitmap = bdrv_create_dirty_bitmap(bs, granularity, NULL, errp); if (!s->dirty_bitmap) { @@ -930,14 +934,15 @@ void mirror_start(const char *job_id, BlockDriverState *bs, mirror_start_job(job_id, bs, target, replaces, speed, granularity, buf_size, backing_mode, on_source_error, on_target_error, unmap, cb, opaque, errp, - &mirror_job_driver, is_none_mode, base); + &mirror_job_driver, is_none_mode, base, false); } void commit_active_start(const char *job_id, BlockDriverState *bs, BlockDriverState *base, int64_t speed, BlockdevOnError on_error, BlockCompletionFunc *cb, - void *opaque, Error **errp) + void *opaque, Error **errp, + bool auto_complete) { int64_t length, base_length; int orig_base_flags; @@ -978,7 +983,7 @@ void commit_active_start(const char *job_id, BlockDriverState *bs, mirror_start_job(job_id, bs, base, NULL, speed, 0, 0, MIRROR_LEAVE_BACKING_CHAIN, on_error, on_error, false, cb, opaque, &local_err, - &commit_active_job_driver, false, base); + &commit_active_job_driver, false, base, auto_complete); if (local_err) { error_propagate(errp, local_err); goto error_restore_flags; diff --git a/blockdev.c b/blockdev.c index 2d38537..38d4c89 100644 --- a/blockdev.c +++ b/blockdev.c @@ -3145,7 +3145,7 @@ void qmp_block_commit(bool has_job_id, const char *job_id, const char *device, goto out; } commit_active_start(has_job_id ? job_id : NULL, bs, base_bs, speed, - on_error, block_job_cb, bs, &local_err); + on_error, block_job_cb, bs, &local_err, false); } else { commit_start(has_job_id ? job_id : NULL, bs, base_bs, top_bs, speed, on_error, block_job_cb, bs, diff --git a/include/block/block_int.h b/include/block/block_int.h index 8054146..0586cee 100644 --- a/include/block/block_int.h +++ b/include/block/block_int.h @@ -694,13 +694,14 @@ void commit_start(const char *job_id, BlockDriverState *bs, * @cb: Completion function for the job. * @opaque: Opaque pointer value passed to @cb. * @errp: Error object. + * @auto_complete: Auto complete the job. * */ void commit_active_start(const char *job_id, BlockDriverState *bs, BlockDriverState *base, int64_t speed, BlockdevOnError on_error, BlockCompletionFunc *cb, - void *opaque, Error **errp); + void *opaque, Error **errp, bool auto_complete); /* * mirror_start: * @job_id: The id of the newly-created job, or %NULL to use the diff --git a/qemu-img.c b/qemu-img.c index 2e40e1f..ae204c9 100644 --- a/qemu-img.c +++ b/qemu-img.c @@ -921,7 +921,7 @@ static int img_commit(int argc, char **argv) }; commit_active_start("commit", bs, base_bs, 0, BLOCKDEV_ON_ERROR_REPORT, - common_block_job_cb, &cbi, &local_err); + common_block_job_cb, &cbi, &local_err, false); if (local_err) { goto done; }