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=-6.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS 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 E9EF7C73C65 for ; Tue, 9 Jul 2019 23:54:38 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C4397206C3 for ; Tue, 9 Jul 2019 23:54:38 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C4397206C3 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:56924 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hkzwT-0005hL-9M for qemu-devel@archiver.kernel.org; Tue, 09 Jul 2019 19:54:37 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:49025) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hkzVL-0007MW-CR for qemu-devel@nongnu.org; Tue, 09 Jul 2019 19:26:38 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hkzVH-0003A8-Sc for qemu-devel@nongnu.org; Tue, 09 Jul 2019 19:26:34 -0400 Received: from mx1.redhat.com ([209.132.183.28]:33656) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hkzV9-0002Y5-Jw; Tue, 09 Jul 2019 19:26:25 -0400 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 1865AF0D13; Tue, 9 Jul 2019 23:26:00 +0000 (UTC) Received: from probe.bos.redhat.com (dhcp-17-215.bos.redhat.com [10.18.17.215]) by smtp.corp.redhat.com (Postfix) with ESMTP id ADAEB5B80B; Tue, 9 Jul 2019 23:25:58 +0000 (UTC) From: John Snow To: qemu-block@nongnu.org, qemu-devel@nongnu.org Date: Tue, 9 Jul 2019 19:25:34 -0400 Message-Id: <20190709232550.10724-3-jsnow@redhat.com> In-Reply-To: <20190709232550.10724-1-jsnow@redhat.com> References: <20190709232550.10724-1-jsnow@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Tue, 09 Jul 2019 23:26:00 +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] [PATCH v4 02/18] drive-backup: create do_backup_common 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: Kevin Wolf , Fam Zheng , vsementsov@virtuozzo.com, Juan Quintela , John Snow , Xie Changlong , "Dr. David Alan Gilbert" , Max Reitz , Stefan Hajnoczi , Wen Congyang , Markus Armbruster Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Create a common core that comprises the actual meat of what the backup AP= I boundary needs to do, and then switch drive-backup to use it. Signed-off-by: John Snow Reviewed-by: Max Reitz --- blockdev.c | 122 +++++++++++++++++++++++++++++------------------------ 1 file changed, 67 insertions(+), 55 deletions(-) diff --git a/blockdev.c b/blockdev.c index 4d141e9a1f..5bc8ecd087 100644 --- a/blockdev.c +++ b/blockdev.c @@ -3425,6 +3425,70 @@ out: aio_context_release(aio_context); } =20 +/* Common QMP interface for drive-backup and blockdev-backup */ +static BlockJob *do_backup_common(BackupCommon *backup, + BlockDriverState *bs, + BlockDriverState *target_bs, + AioContext *aio_context, + JobTxn *txn, Error **errp) +{ + BlockJob *job =3D NULL; + BdrvDirtyBitmap *bmap =3D NULL; + int job_flags =3D JOB_DEFAULT; + int ret; + + if (!backup->has_speed) { + backup->speed =3D 0; + } + if (!backup->has_on_source_error) { + backup->on_source_error =3D BLOCKDEV_ON_ERROR_REPORT; + } + if (!backup->has_on_target_error) { + backup->on_target_error =3D BLOCKDEV_ON_ERROR_REPORT; + } + if (!backup->has_job_id) { + backup->job_id =3D NULL; + } + if (!backup->has_auto_finalize) { + backup->auto_finalize =3D true; + } + if (!backup->has_auto_dismiss) { + backup->auto_dismiss =3D true; + } + if (!backup->has_compress) { + backup->compress =3D false; + } + + ret =3D bdrv_try_set_aio_context(target_bs, aio_context, errp); + if (ret < 0) { + return NULL; + } + + if (backup->has_bitmap) { + bmap =3D bdrv_find_dirty_bitmap(bs, backup->bitmap); + if (!bmap) { + error_setg(errp, "Bitmap '%s' could not be found", backup->b= itmap); + return NULL; + } + if (bdrv_dirty_bitmap_check(bmap, BDRV_BITMAP_DEFAULT, errp)) { + return NULL; + } + } + + if (!backup->auto_finalize) { + job_flags |=3D JOB_MANUAL_FINALIZE; + } + if (!backup->auto_dismiss) { + job_flags |=3D JOB_MANUAL_DISMISS; + } + + job =3D backup_job_create(backup->job_id, bs, target_bs, backup->spe= ed, + backup->sync, bmap, backup->compress, + backup->on_source_error, backup->on_target_e= rror, + job_flags, NULL, NULL, txn, errp); + return job; +} + static BlockJob *do_drive_backup(DriveBackup *backup, JobTxn *txn, Error **errp) { @@ -3432,39 +3496,16 @@ static BlockJob *do_drive_backup(DriveBackup *bac= kup, JobTxn *txn, BlockDriverState *target_bs; BlockDriverState *source =3D NULL; BlockJob *job =3D NULL; - BdrvDirtyBitmap *bmap =3D NULL; AioContext *aio_context; QDict *options =3D NULL; Error *local_err =3D NULL; - int flags, job_flags =3D JOB_DEFAULT; + int flags; int64_t size; bool set_backing_hd =3D false; - int ret; =20 - if (!backup->has_speed) { - backup->speed =3D 0; - } - if (!backup->has_on_source_error) { - backup->on_source_error =3D BLOCKDEV_ON_ERROR_REPORT; - } - if (!backup->has_on_target_error) { - backup->on_target_error =3D BLOCKDEV_ON_ERROR_REPORT; - } if (!backup->has_mode) { backup->mode =3D NEW_IMAGE_MODE_ABSOLUTE_PATHS; } - if (!backup->has_job_id) { - backup->job_id =3D NULL; - } - if (!backup->has_auto_finalize) { - backup->auto_finalize =3D true; - } - if (!backup->has_auto_dismiss) { - backup->auto_dismiss =3D true; - } - if (!backup->has_compress) { - backup->compress =3D false; - } =20 bs =3D bdrv_lookup_bs(backup->device, backup->device, errp); if (!bs) { @@ -3541,12 +3582,6 @@ static BlockJob *do_drive_backup(DriveBackup *back= up, JobTxn *txn, goto out; } =20 - ret =3D bdrv_try_set_aio_context(target_bs, aio_context, errp); - if (ret < 0) { - bdrv_unref(target_bs); - goto out; - } - if (set_backing_hd) { bdrv_set_backing_hd(target_bs, source, &local_err); if (local_err) { @@ -3554,31 +3589,8 @@ static BlockJob *do_drive_backup(DriveBackup *back= up, JobTxn *txn, } } =20 - if (backup->has_bitmap) { - bmap =3D bdrv_find_dirty_bitmap(bs, backup->bitmap); - if (!bmap) { - error_setg(errp, "Bitmap '%s' could not be found", backup->b= itmap); - goto unref; - } - if (bdrv_dirty_bitmap_check(bmap, BDRV_BITMAP_DEFAULT, errp)) { - goto unref; - } - } - if (!backup->auto_finalize) { - job_flags |=3D JOB_MANUAL_FINALIZE; - } - if (!backup->auto_dismiss) { - job_flags |=3D JOB_MANUAL_DISMISS; - } - - job =3D backup_job_create(backup->job_id, bs, target_bs, backup->spe= ed, - backup->sync, bmap, backup->compress, - backup->on_source_error, backup->on_target_e= rror, - job_flags, NULL, NULL, txn, &local_err); - if (local_err !=3D NULL) { - error_propagate(errp, local_err); - goto unref; - } + job =3D do_backup_common(qapi_DriveBackup_base(backup), + bs, target_bs, aio_context, txn, errp); =20 unref: bdrv_unref(target_bs); --=20 2.21.0