From patchwork Mon Apr 20 18:36:44 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrey Shinkevich X-Patchwork-Id: 11499657 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A603192C for ; Mon, 20 Apr 2020 18:42:16 +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 440E32074F for ; Mon, 20 Apr 2020 18:42:16 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 440E32074F 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+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:40706 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jQbN1-0007px-0b for patchwork-qemu-devel@patchwork.kernel.org; Mon, 20 Apr 2020 14:42:15 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:44882 helo=eggs1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jQbI7-00018I-0q for qemu-devel@nongnu.org; Mon, 20 Apr 2020 14:37:15 -0400 Received: from Debian-exim by eggs1p.gnu.org with spam-scanned (Exim 4.90_1) (envelope-from ) id 1jQbI4-0004A0-TD for qemu-devel@nongnu.org; Mon, 20 Apr 2020 14:37:10 -0400 Received: from relay.sw.ru ([185.231.240.75]:39792) by eggs1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jQbHr-0003NG-Tl; Mon, 20 Apr 2020 14:36:55 -0400 Received: from dhcp-172-16-25-136.sw.ru ([172.16.25.136] helo=localhost.sw.ru) by relay.sw.ru with esmtp (Exim 4.92.3) (envelope-from ) id 1jQbHj-0001xO-LB; Mon, 20 Apr 2020 21:36:47 +0300 From: Andrey Shinkevich To: qemu-block@nongnu.org Subject: [PATCH 5/7] qapi: add filter-node-name to block-stream Date: Mon, 20 Apr 2020 21:36:44 +0300 Message-Id: <1587407806-109784-6-git-send-email-andrey.shinkevich@virtuozzo.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1587407806-109784-1-git-send-email-andrey.shinkevich@virtuozzo.com> References: <1587407806-109784-1-git-send-email-andrey.shinkevich@virtuozzo.com> Received-SPF: pass client-ip=185.231.240.75; envelope-from=andrey.shinkevich@virtuozzo.com; helo=relay.sw.ru X-detected-operating-system: by eggs1p.gnu.org: First seen = 2020/04/20 14:36:51 X-ACL-Warn: Detected OS = Linux 3.1-3.10 [fuzzy] X-Received-From: 185.231.240.75 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: kwolf@redhat.com, vsementsov@virtuozzo.com, armbru@redhat.com, qemu-devel@nongnu.org, andrey.shinkevich@virtuozzo.com, den@openvz.org, mreitz@redhat.com, jsnow@redhat.com, dgilbert@redhat.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" Provide the possibility to pass the 'filter-node-name' parameter to the block-stream job as it is done for the commit block job. Signed-off-by: Andrey Shinkevich --- block/stream.c | 5 +++-- blockdev.c | 8 +++++++- include/block/block_int.h | 7 ++++++- monitor/hmp-cmds.c | 4 ++-- qapi/block-core.json | 6 ++++++ 5 files changed, 24 insertions(+), 6 deletions(-) diff --git a/block/stream.c b/block/stream.c index d8b4bbe..fab7923 100644 --- a/block/stream.c +++ b/block/stream.c @@ -229,7 +229,9 @@ static const BlockJobDriver stream_job_driver = { void stream_start(const char *job_id, BlockDriverState *bs, BlockDriverState *base, const char *backing_file_str, int creation_flags, int64_t speed, - BlockdevOnError on_error, Error **errp) + BlockdevOnError on_error, + const char *filter_node_name, + Error **errp) { StreamBlockJob *s; BlockDriverState *iter; @@ -265,7 +267,6 @@ void stream_start(const char *job_id, BlockDriverState *bs, } else { bdrv_unfreeze_chain(bottom_cow_node, above_base); } - /* Prevent concurrent jobs trying to modify the graph structure here, we * already have our own plans. Also don't allow resize as the image size is * queried only at the job start and then cached. */ diff --git a/blockdev.c b/blockdev.c index 72d28ce..f275a64 100644 --- a/blockdev.c +++ b/blockdev.c @@ -3242,6 +3242,7 @@ void qmp_block_stream(bool has_job_id, const char *job_id, const char *device, bool has_backing_file, const char *backing_file, bool has_speed, int64_t speed, bool has_on_error, BlockdevOnError on_error, + bool has_filter_node_name, const char *filter_node_name, bool has_auto_finalize, bool auto_finalize, bool has_auto_dismiss, bool auto_dismiss, Error **errp) @@ -3257,6 +3258,10 @@ void qmp_block_stream(bool has_job_id, const char *job_id, const char *device, on_error = BLOCKDEV_ON_ERROR_REPORT; } + if (!has_filter_node_name) { + filter_node_name = NULL; + } + bs = bdrv_lookup_bs(device, device, errp); if (!bs) { return; @@ -3324,7 +3329,8 @@ void qmp_block_stream(bool has_job_id, const char *job_id, const char *device, } stream_start(has_job_id ? job_id : NULL, bs, base_bs, base_name, - job_flags, has_speed ? speed : 0, on_error, &local_err); + job_flags, has_speed ? speed : 0, on_error, + filter_node_name, &local_err); if (local_err) { error_propagate(errp, local_err); goto out; diff --git a/include/block/block_int.h b/include/block/block_int.h index 993bafc..5ac4891 100644 --- a/include/block/block_int.h +++ b/include/block/block_int.h @@ -1052,6 +1052,9 @@ int is_windows_drive(const char *filename); * See @BlockJobCreateFlags * @speed: The maximum speed, in bytes per second, or 0 for unlimited. * @on_error: The action to take upon error. + * @filter_node_name: The node name that should be assigned to the filter + * driver that the commit job inserts into the graph above @bs. NULL means + * that a node name should be autogenerated. * @errp: Error object. * * Start a streaming operation on @bs. Clusters that are unallocated @@ -1064,7 +1067,9 @@ int is_windows_drive(const char *filename); void stream_start(const char *job_id, BlockDriverState *bs, BlockDriverState *base, const char *backing_file_str, int creation_flags, int64_t speed, - BlockdevOnError on_error, Error **errp); + BlockdevOnError on_error, + const char *filter_node_name, + Error **errp); /** * commit_start: diff --git a/monitor/hmp-cmds.c b/monitor/hmp-cmds.c index 5ca3ebe..0432ac9 100644 --- a/monitor/hmp-cmds.c +++ b/monitor/hmp-cmds.c @@ -2044,8 +2044,8 @@ void hmp_block_stream(Monitor *mon, const QDict *qdict) qmp_block_stream(true, device, device, base != NULL, base, false, NULL, false, NULL, qdict_haskey(qdict, "speed"), speed, true, - BLOCKDEV_ON_ERROR_REPORT, false, false, false, false, - &error); + BLOCKDEV_ON_ERROR_REPORT, false, NULL, false, false, + false, false, &error); hmp_handle_error(mon, &error); } diff --git a/qapi/block-core.json b/qapi/block-core.json index 3c54717..169f8ea 100644 --- a/qapi/block-core.json +++ b/qapi/block-core.json @@ -2552,6 +2552,11 @@ # 'stop' and 'enospc' can only be used if the block device # supports io-status (see BlockInfo). Since 1.3. # +# @filter-node-name: the node name that should be assigned to the +# filter driver that the stream job inserts into the graph +# above @device. If this option is not given, a node name is +# autogenerated. (Since: 5.0) +# # @auto-finalize: When false, this job will wait in a PENDING state after it has # finished its work, waiting for @block-job-finalize before # making any block graph changes. @@ -2581,6 +2586,7 @@ 'data': { '*job-id': 'str', 'device': 'str', '*base': 'str', '*base-node': 'str', '*backing-file': 'str', '*speed': 'int', '*on-error': 'BlockdevOnError', + '*filter-node-name': 'str', '*auto-finalize': 'bool', '*auto-dismiss': 'bool' } } ##