From nobody Tue Nov 11 22:40:33 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1565998756; cv=none; d=zoho.com; s=zohoarc; b=fP/X2Hu0XXYVw8Sy8UIRZLSnEVTdqY780Xb3pQomKNLn8YR8vFFDUawF+R9KfsuRQ7N9/nIi728fFbuhDq9OySvwTbIlg5uL5sNNShUnz6UXldWd/jQrYJkgcP2y+ol4Lye6LWCc5USs0h/q0yvBSZODtfHEft5JAJdXKzDaM9A= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1565998756; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=kkHmnsS4uEu3Fpm8ztwwfKFhX7eTf2XTWCzcVSRup5M=; b=E90JdcvCk2WDFyIuo/baoLOD5Dn1qV9Coj/hLPGqa5Gb+XcM7vLoS+5iiGZ+54SrUyzD4tsfiXB2ulD5sPbfBOUwIJ5d4ZThHm7CfqTzPysyQg/mSWM9I7anmpcYqFV+gLbbu5M3d1+DigXHgW/vnwfun3jCbFWZgjWdg8FjWwc= ARC-Authentication-Results: i=1; mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1565998756480823.2317828870085; Fri, 16 Aug 2019 16:39:16 -0700 (PDT) Received: from localhost ([::1]:33406 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1hyloN-00065V-Qe for importer@patchew.org; Fri, 16 Aug 2019 19:39:11 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:46972) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1hylPw-0006tA-23 for qemu-devel@nongnu.org; Fri, 16 Aug 2019 19:13:57 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hylPu-0006Fb-TN for qemu-devel@nongnu.org; Fri, 16 Aug 2019 19:13:55 -0400 Received: from mx1.redhat.com ([209.132.183.28]:37370) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hylPs-0006Ag-1p; Fri, 16 Aug 2019 19:13:52 -0400 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 058CC882EA; Fri, 16 Aug 2019 23:13:49 +0000 (UTC) Received: from probe.bos.redhat.com (dhcp-17-187.bos.redhat.com [10.18.17.187]) by smtp.corp.redhat.com (Postfix) with ESMTP id 4B44019C6A; Fri, 16 Aug 2019 23:13:48 +0000 (UTC) From: John Snow To: qemu-devel@nongnu.org Date: Fri, 16 Aug 2019 19:13:10 -0400 Message-Id: <20190816231318.8650-29-jsnow@redhat.com> In-Reply-To: <20190816231318.8650-1-jsnow@redhat.com> References: <20190816231318.8650-1-jsnow@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.28]); Fri, 16 Aug 2019 23:13:49 +0000 (UTC) Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PULL 28/36] block/backup: centralize copy_bitmap initialization X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org, jsnow@redhat.com, qemu-stable@nongnu.org, qemu-block@nongnu.org, Max Reitz Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" Just a few housekeeping changes that keeps the following commit easier to read; perform the initial copy_bitmap initialization in one place. Signed-off-by: John Snow Reviewed-by: Max Reitz Message-id: 20190716000117.25219-8-jsnow@redhat.com Signed-off-by: John Snow --- block/backup.c | 29 +++++++++++++++-------------- 1 file changed, 15 insertions(+), 14 deletions(-) diff --git a/block/backup.c b/block/backup.c index b04ab2d5f0c..305f9b3468b 100644 --- a/block/backup.c +++ b/block/backup.c @@ -451,16 +451,22 @@ static int coroutine_fn backup_loop(BackupBlockJob *j= ob) return ret; } =20 -/* init copy_bitmap from sync_bitmap */ -static void backup_incremental_init_copy_bitmap(BackupBlockJob *job) +static void backup_init_copy_bitmap(BackupBlockJob *job) { - bool ret =3D bdrv_dirty_bitmap_merge_internal(job->copy_bitmap, - job->sync_bitmap, - NULL, true); - assert(ret); + bool ret; + uint64_t estimate; =20 - job_progress_set_remaining(&job->common.job, - bdrv_get_dirty_count(job->copy_bitmap)); + if (job->sync_mode =3D=3D MIRROR_SYNC_MODE_BITMAP) { + ret =3D bdrv_dirty_bitmap_merge_internal(job->copy_bitmap, + job->sync_bitmap, + NULL, true); + assert(ret); + } else { + bdrv_set_dirty_bitmap(job->copy_bitmap, 0, job->len); + } + + estimate =3D bdrv_get_dirty_count(job->copy_bitmap); + job_progress_set_remaining(&job->common.job, estimate); } =20 static int coroutine_fn backup_run(Job *job, Error **errp) @@ -472,12 +478,7 @@ static int coroutine_fn backup_run(Job *job, Error **e= rrp) QLIST_INIT(&s->inflight_reqs); qemu_co_rwlock_init(&s->flush_rwlock); =20 - if (s->sync_mode =3D=3D MIRROR_SYNC_MODE_BITMAP) { - backup_incremental_init_copy_bitmap(s); - } else { - bdrv_set_dirty_bitmap(s->copy_bitmap, 0, s->len); - job_progress_set_remaining(job, s->len); - } + backup_init_copy_bitmap(s); =20 s->before_write.notify =3D backup_before_write_notify; bdrv_add_before_write_notifier(bs, &s->before_write); --=20 2.21.0