From patchwork Fri Oct 13 09:21:35 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fiona Ebner X-Patchwork-Id: 13420586 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 88D32CDB47E for ; Fri, 13 Oct 2023 09:24:34 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qrEMo-0005li-Jm; Fri, 13 Oct 2023 05:21:58 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qrEMl-0005id-Qh; Fri, 13 Oct 2023 05:21:55 -0400 Received: from proxmox-new.maurer-it.com ([94.136.29.106]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qrEMj-00071n-JR; Fri, 13 Oct 2023 05:21:55 -0400 Received: from proxmox-new.maurer-it.com (localhost.localdomain [127.0.0.1]) by proxmox-new.maurer-it.com (Proxmox) with ESMTP id 626EA48F24; Fri, 13 Oct 2023 11:21:51 +0200 (CEST) From: Fiona Ebner To: qemu-devel@nongnu.org Cc: qemu-block@nongnu.org, armbru@redhat.com, eblake@redhat.com, hreitz@redhat.com, kwolf@redhat.com, vsementsov@yandex-team.ru, jsnow@redhat.com, den@virtuozzo.com, t.lamprecht@proxmox.com, alexander.ivanov@virtuozzo.com Subject: [PATCH v3 1/9] blockjob: introduce block-job-change QMP command Date: Fri, 13 Oct 2023 11:21:35 +0200 Message-Id: <20231013092143.365296-2-f.ebner@proxmox.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231013092143.365296-1-f.ebner@proxmox.com> References: <20231013092143.365296-1-f.ebner@proxmox.com> MIME-Version: 1.0 Received-SPF: pass client-ip=94.136.29.106; envelope-from=f.ebner@proxmox.com; helo=proxmox-new.maurer-it.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org which will allow changing job-type-specific options after job creation. In the JobVerbTable, the same allow bits as for set-speed are used, because set-speed can be considered an existing change command. Signed-off-by: Fiona Ebner Reviewed-by: Vladimir Sementsov-Ogievskiy --- No changes in v3. blockdev.c | 14 ++++++++++++++ blockjob.c | 20 ++++++++++++++++++++ include/block/blockjob.h | 11 +++++++++++ include/block/blockjob_int.h | 5 +++++ job.c | 1 + qapi/block-core.json | 26 ++++++++++++++++++++++++++ qapi/job.json | 4 +++- 7 files changed, 80 insertions(+), 1 deletion(-) diff --git a/blockdev.c b/blockdev.c index 325b7a3bef..d0e274ff8b 100644 --- a/blockdev.c +++ b/blockdev.c @@ -3344,6 +3344,20 @@ void qmp_block_job_dismiss(const char *id, Error **errp) job_dismiss_locked(&job, errp); } +void qmp_block_job_change(BlockJobChangeOptions *opts, Error **errp) +{ + BlockJob *job; + + JOB_LOCK_GUARD(); + job = find_block_job_locked(opts->id, errp); + + if (!job) { + return; + } + + block_job_change_locked(job, opts, errp); +} + void qmp_change_backing_file(const char *device, const char *image_node_name, const char *backing_file, diff --git a/blockjob.c b/blockjob.c index 58c5d64539..d53bc775d2 100644 --- a/blockjob.c +++ b/blockjob.c @@ -328,6 +328,26 @@ static bool block_job_set_speed(BlockJob *job, int64_t speed, Error **errp) return block_job_set_speed_locked(job, speed, errp); } +void block_job_change_locked(BlockJob *job, BlockJobChangeOptions *opts, + Error **errp) +{ + const BlockJobDriver *drv = block_job_driver(job); + + GLOBAL_STATE_CODE(); + + if (job_apply_verb_locked(&job->job, JOB_VERB_CHANGE, errp)) { + return; + } + + if (drv->change) { + job_unlock(); + drv->change(job, opts, errp); + job_lock(); + } else { + error_setg(errp, "Job type does not support change"); + } +} + void block_job_ratelimit_processed_bytes(BlockJob *job, uint64_t n) { IO_CODE(); diff --git a/include/block/blockjob.h b/include/block/blockjob.h index 058b0c824c..95854f1477 100644 --- a/include/block/blockjob.h +++ b/include/block/blockjob.h @@ -172,6 +172,17 @@ bool block_job_has_bdrv(BlockJob *job, BlockDriverState *bs); */ bool block_job_set_speed_locked(BlockJob *job, int64_t speed, Error **errp); +/** + * block_job_change_locked: + * @job: The job to change. + * @opts: The new options. + * @errp: Error object. + * + * Change the job according to opts. + */ +void block_job_change_locked(BlockJob *job, BlockJobChangeOptions *opts, + Error **errp); + /** * block_job_query_locked: * @job: The job to get information about. diff --git a/include/block/blockjob_int.h b/include/block/blockjob_int.h index 104824040c..f604985315 100644 --- a/include/block/blockjob_int.h +++ b/include/block/blockjob_int.h @@ -67,6 +67,11 @@ struct BlockJobDriver { void (*attached_aio_context)(BlockJob *job, AioContext *new_context); void (*set_speed)(BlockJob *job, int64_t speed); + + /* + * Change the @job's options according to @opts. + */ + void (*change)(BlockJob *job, BlockJobChangeOptions *opts, Error **errp); }; /* diff --git a/job.c b/job.c index 72d57f0934..99a2e54b54 100644 --- a/job.c +++ b/job.c @@ -80,6 +80,7 @@ bool JobVerbTable[JOB_VERB__MAX][JOB_STATUS__MAX] = { [JOB_VERB_COMPLETE] = {0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0}, [JOB_VERB_FINALIZE] = {0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0}, [JOB_VERB_DISMISS] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0}, + [JOB_VERB_CHANGE] = {0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0}, }; /* Transactional group of jobs */ diff --git a/qapi/block-core.json b/qapi/block-core.json index 89751d81f2..c6f31a9399 100644 --- a/qapi/block-core.json +++ b/qapi/block-core.json @@ -3044,6 +3044,32 @@ { 'command': 'block-job-finalize', 'data': { 'id': 'str' }, 'allow-preconfig': true } +## +# @BlockJobChangeOptions: +# +# Block job options that can be changed after job creation. +# +# @id: The job identifier +# +# @type: The job type +# +# Since 8.2 +## +{ 'union': 'BlockJobChangeOptions', + 'base': { 'id': 'str', 'type': 'JobType' }, + 'discriminator': 'type', + 'data': {} } + +## +# @block-job-change: +# +# Change the block job's options. +# +# Since: 8.2 +## +{ 'command': 'block-job-change', + 'data': 'BlockJobChangeOptions', 'boxed': true } + ## # @BlockdevDiscardOptions: # diff --git a/qapi/job.json b/qapi/job.json index 7f0ba090de..b3957207a4 100644 --- a/qapi/job.json +++ b/qapi/job.json @@ -105,11 +105,13 @@ # # @finalize: see @job-finalize # +# @change: see @block-job-change (since 8.2) +# # Since: 2.12 ## { 'enum': 'JobVerb', 'data': ['cancel', 'pause', 'resume', 'set-speed', 'complete', 'dismiss', - 'finalize' ] } + 'finalize', 'change' ] } ## # @JOB_STATUS_CHANGE: From patchwork Fri Oct 13 09:21:36 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fiona Ebner X-Patchwork-Id: 13420583 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 5D01ECDB483 for ; Fri, 13 Oct 2023 09:23:18 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qrEMm-0005jW-7q; Fri, 13 Oct 2023 05:21:56 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qrEMk-0005hl-9d; Fri, 13 Oct 2023 05:21:54 -0400 Received: from proxmox-new.maurer-it.com ([94.136.29.106]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qrEMi-00071L-DG; Fri, 13 Oct 2023 05:21:54 -0400 Received: from proxmox-new.maurer-it.com (localhost.localdomain [127.0.0.1]) by proxmox-new.maurer-it.com (Proxmox) with ESMTP id DC92F48F34; Fri, 13 Oct 2023 11:21:49 +0200 (CEST) From: Fiona Ebner To: qemu-devel@nongnu.org Cc: qemu-block@nongnu.org, armbru@redhat.com, eblake@redhat.com, hreitz@redhat.com, kwolf@redhat.com, vsementsov@yandex-team.ru, jsnow@redhat.com, den@virtuozzo.com, t.lamprecht@proxmox.com, alexander.ivanov@virtuozzo.com Subject: [PATCH v3 2/9] block/mirror: set actively_synced even after the job is ready Date: Fri, 13 Oct 2023 11:21:36 +0200 Message-Id: <20231013092143.365296-3-f.ebner@proxmox.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231013092143.365296-1-f.ebner@proxmox.com> References: <20231013092143.365296-1-f.ebner@proxmox.com> MIME-Version: 1.0 Received-SPF: pass client-ip=94.136.29.106; envelope-from=f.ebner@proxmox.com; helo=proxmox-new.maurer-it.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org In preparation to allow switching from background to active mode. This ensures that setting actively_synced will not be missed when the switch happens after the job is ready. Signed-off-by: Fiona Ebner Reviewed-by: Vladimir Sementsov-Ogievskiy --- No changes in v3. block/mirror.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/block/mirror.c b/block/mirror.c index 3cc0757a03..b764ad5108 100644 --- a/block/mirror.c +++ b/block/mirror.c @@ -1074,9 +1074,9 @@ static int coroutine_fn mirror_run(Job *job, Error **errp) * the target in a consistent state. */ job_transition_to_ready(&s->common.job); - if (s->copy_mode != MIRROR_COPY_MODE_BACKGROUND) { - s->actively_synced = true; - } + } + if (s->copy_mode != MIRROR_COPY_MODE_BACKGROUND) { + s->actively_synced = true; } should_complete = s->should_complete || From patchwork Fri Oct 13 09:21:37 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fiona Ebner X-Patchwork-Id: 13420588 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 26491CDB47E for ; Fri, 13 Oct 2023 09:24:54 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qrEMo-0005l9-4w; Fri, 13 Oct 2023 05:21:58 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qrEMl-0005ib-NF; Fri, 13 Oct 2023 05:21:55 -0400 Received: from proxmox-new.maurer-it.com ([94.136.29.106]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qrEMj-00071P-Jz; Fri, 13 Oct 2023 05:21:55 -0400 Received: from proxmox-new.maurer-it.com (localhost.localdomain [127.0.0.1]) by proxmox-new.maurer-it.com (Proxmox) with ESMTP id 3C6EA48F39; Fri, 13 Oct 2023 11:21:50 +0200 (CEST) From: Fiona Ebner To: qemu-devel@nongnu.org Cc: qemu-block@nongnu.org, armbru@redhat.com, eblake@redhat.com, hreitz@redhat.com, kwolf@redhat.com, vsementsov@yandex-team.ru, jsnow@redhat.com, den@virtuozzo.com, t.lamprecht@proxmox.com, alexander.ivanov@virtuozzo.com Subject: [PATCH v3 3/9] block/mirror: move dirty bitmap to filter Date: Fri, 13 Oct 2023 11:21:37 +0200 Message-Id: <20231013092143.365296-4-f.ebner@proxmox.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231013092143.365296-1-f.ebner@proxmox.com> References: <20231013092143.365296-1-f.ebner@proxmox.com> MIME-Version: 1.0 Received-SPF: pass client-ip=94.136.29.106; envelope-from=f.ebner@proxmox.com; helo=proxmox-new.maurer-it.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org In preparation to allow switching to active mode without draining. Initialization of the bitmap in mirror_dirty_init() still happens with the original/backing BlockDriverState, which should be fine, because the mirror top has the same length. Suggested-by: Vladimir Sementsov-Ogievskiy Signed-off-by: Fiona Ebner Reviewed-by: Vladimir Sementsov-Ogievskiy --- No changes in v3. block/mirror.c | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-) diff --git a/block/mirror.c b/block/mirror.c index b764ad5108..0ed54754e2 100644 --- a/block/mirror.c +++ b/block/mirror.c @@ -1500,6 +1500,10 @@ bdrv_mirror_top_do_write(BlockDriverState *bs, MirrorMethod method, abort(); } + if (!copy_to_target && s->job && s->job->dirty_bitmap) { + bdrv_set_dirty_bitmap(s->job->dirty_bitmap, offset, bytes); + } + if (ret < 0) { goto out; } @@ -1823,13 +1827,17 @@ static BlockJob *mirror_start_job( s->should_complete = true; } - s->dirty_bitmap = bdrv_create_dirty_bitmap(bs, granularity, NULL, errp); + s->dirty_bitmap = bdrv_create_dirty_bitmap(s->mirror_top_bs, granularity, + NULL, errp); if (!s->dirty_bitmap) { goto fail; } - if (s->copy_mode == MIRROR_COPY_MODE_WRITE_BLOCKING) { - bdrv_disable_dirty_bitmap(s->dirty_bitmap); - } + + /* + * The dirty bitmap is set by bdrv_mirror_top_do_write() when not in active + * mode. + */ + bdrv_disable_dirty_bitmap(s->dirty_bitmap); ret = block_job_add_bdrv(&s->common, "source", bs, 0, BLK_PERM_WRITE_UNCHANGED | BLK_PERM_WRITE | From patchwork Fri Oct 13 09:21:38 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fiona Ebner X-Patchwork-Id: 13420582 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 9CB82CDB47E for ; Fri, 13 Oct 2023 09:23:15 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qrEMq-0005r5-4p; Fri, 13 Oct 2023 05:22:00 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qrEMn-0005kR-7U; Fri, 13 Oct 2023 05:21:57 -0400 Received: from proxmox-new.maurer-it.com ([94.136.29.106]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qrEMl-00072m-HX; Fri, 13 Oct 2023 05:21:56 -0400 Received: from proxmox-new.maurer-it.com (localhost.localdomain [127.0.0.1]) by proxmox-new.maurer-it.com (Proxmox) with ESMTP id 64D3748F3D; Fri, 13 Oct 2023 11:21:51 +0200 (CEST) From: Fiona Ebner To: qemu-devel@nongnu.org Cc: qemu-block@nongnu.org, armbru@redhat.com, eblake@redhat.com, hreitz@redhat.com, kwolf@redhat.com, vsementsov@yandex-team.ru, jsnow@redhat.com, den@virtuozzo.com, t.lamprecht@proxmox.com, alexander.ivanov@virtuozzo.com Subject: [PATCH v3 4/9] block/mirror: determine copy_to_target only once Date: Fri, 13 Oct 2023 11:21:38 +0200 Message-Id: <20231013092143.365296-5-f.ebner@proxmox.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231013092143.365296-1-f.ebner@proxmox.com> References: <20231013092143.365296-1-f.ebner@proxmox.com> MIME-Version: 1.0 Received-SPF: pass client-ip=94.136.29.106; envelope-from=f.ebner@proxmox.com; helo=proxmox-new.maurer-it.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org In preparation to allow changing the copy_mode via QMP. When running in an iothread, it could be that copy_mode is changed from the main thread in between reading copy_mode in bdrv_mirror_top_pwritev() and reading copy_mode in bdrv_mirror_top_do_write(), so they might end up disagreeing about whether copy_to_target is true or false. Avoid that scenario by determining copy_to_target only once and passing it to bdrv_mirror_top_do_write() as an argument. Signed-off-by: Fiona Ebner Reviewed-by: Vladimir Sementsov-Ogievskiy --- No changes in v3. block/mirror.c | 41 ++++++++++++++++++----------------------- 1 file changed, 18 insertions(+), 23 deletions(-) diff --git a/block/mirror.c b/block/mirror.c index 0ed54754e2..8992c09172 100644 --- a/block/mirror.c +++ b/block/mirror.c @@ -1463,21 +1463,21 @@ bdrv_mirror_top_preadv(BlockDriverState *bs, int64_t offset, int64_t bytes, return bdrv_co_preadv(bs->backing, offset, bytes, qiov, flags); } +static bool should_copy_to_target(MirrorBDSOpaque *s) +{ + return s->job && s->job->ret >= 0 && + !job_is_cancelled(&s->job->common.job) && + s->job->copy_mode == MIRROR_COPY_MODE_WRITE_BLOCKING; +} + static int coroutine_fn GRAPH_RDLOCK bdrv_mirror_top_do_write(BlockDriverState *bs, MirrorMethod method, - uint64_t offset, uint64_t bytes, QEMUIOVector *qiov, - int flags) + bool copy_to_target, uint64_t offset, uint64_t bytes, + QEMUIOVector *qiov, int flags) { MirrorOp *op = NULL; MirrorBDSOpaque *s = bs->opaque; int ret = 0; - bool copy_to_target = false; - - if (s->job) { - copy_to_target = s->job->ret >= 0 && - !job_is_cancelled(&s->job->common.job) && - s->job->copy_mode == MIRROR_COPY_MODE_WRITE_BLOCKING; - } if (copy_to_target) { op = active_write_prepare(s->job, offset, bytes); @@ -1523,17 +1523,10 @@ static int coroutine_fn GRAPH_RDLOCK bdrv_mirror_top_pwritev(BlockDriverState *bs, int64_t offset, int64_t bytes, QEMUIOVector *qiov, BdrvRequestFlags flags) { - MirrorBDSOpaque *s = bs->opaque; QEMUIOVector bounce_qiov; void *bounce_buf; int ret = 0; - bool copy_to_target = false; - - if (s->job) { - copy_to_target = s->job->ret >= 0 && - !job_is_cancelled(&s->job->common.job) && - s->job->copy_mode == MIRROR_COPY_MODE_WRITE_BLOCKING; - } + bool copy_to_target = should_copy_to_target(bs->opaque); if (copy_to_target) { /* The guest might concurrently modify the data to write; but @@ -1550,8 +1543,8 @@ bdrv_mirror_top_pwritev(BlockDriverState *bs, int64_t offset, int64_t bytes, flags &= ~BDRV_REQ_REGISTERED_BUF; } - ret = bdrv_mirror_top_do_write(bs, MIRROR_METHOD_COPY, offset, bytes, qiov, - flags); + ret = bdrv_mirror_top_do_write(bs, MIRROR_METHOD_COPY, copy_to_target, + offset, bytes, qiov, flags); if (copy_to_target) { qemu_iovec_destroy(&bounce_qiov); @@ -1574,15 +1567,17 @@ static int coroutine_fn GRAPH_RDLOCK bdrv_mirror_top_pwrite_zeroes(BlockDriverState *bs, int64_t offset, int64_t bytes, BdrvRequestFlags flags) { - return bdrv_mirror_top_do_write(bs, MIRROR_METHOD_ZERO, offset, bytes, NULL, - flags); + bool copy_to_target = should_copy_to_target(bs->opaque); + return bdrv_mirror_top_do_write(bs, MIRROR_METHOD_ZERO, copy_to_target, + offset, bytes, NULL, flags); } static int coroutine_fn GRAPH_RDLOCK bdrv_mirror_top_pdiscard(BlockDriverState *bs, int64_t offset, int64_t bytes) { - return bdrv_mirror_top_do_write(bs, MIRROR_METHOD_DISCARD, offset, bytes, - NULL, 0); + bool copy_to_target = should_copy_to_target(bs->opaque); + return bdrv_mirror_top_do_write(bs, MIRROR_METHOD_DISCARD, copy_to_target, + offset, bytes, NULL, 0); } static void bdrv_mirror_top_refresh_filename(BlockDriverState *bs) From patchwork Fri Oct 13 09:21:39 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fiona Ebner X-Patchwork-Id: 13420590 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id B9075CDB483 for ; Fri, 13 Oct 2023 09:24:56 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qrEMr-0005tm-Ay; Fri, 13 Oct 2023 05:22:01 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qrEMo-0005lj-Ho; Fri, 13 Oct 2023 05:21:58 -0400 Received: from proxmox-new.maurer-it.com ([94.136.29.106]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qrEMl-00072u-Lk; Fri, 13 Oct 2023 05:21:58 -0400 Received: from proxmox-new.maurer-it.com (localhost.localdomain [127.0.0.1]) by proxmox-new.maurer-it.com (Proxmox) with ESMTP id E26FC48F32; Fri, 13 Oct 2023 11:21:51 +0200 (CEST) From: Fiona Ebner To: qemu-devel@nongnu.org Cc: qemu-block@nongnu.org, armbru@redhat.com, eblake@redhat.com, hreitz@redhat.com, kwolf@redhat.com, vsementsov@yandex-team.ru, jsnow@redhat.com, den@virtuozzo.com, t.lamprecht@proxmox.com, alexander.ivanov@virtuozzo.com Subject: [PATCH v3 5/9] mirror: implement mirror_change method Date: Fri, 13 Oct 2023 11:21:39 +0200 Message-Id: <20231013092143.365296-6-f.ebner@proxmox.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231013092143.365296-1-f.ebner@proxmox.com> References: <20231013092143.365296-1-f.ebner@proxmox.com> MIME-Version: 1.0 Received-SPF: pass client-ip=94.136.29.106; envelope-from=f.ebner@proxmox.com; helo=proxmox-new.maurer-it.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org which allows switching the @copy-mode from 'background' to 'write-blocking'. This is useful for management applications, so they can start out in background mode to avoid limiting guest write speed and switch to active mode when certain criteria are fulfilled. In presence of an iothread, the copy_mode member is now shared between the iothread and the main thread, so turn accesses to it atomic. Signed-off-by: Fiona Ebner --- Changes in v3: * turn accesses to copy_mode atomic and... * ...slightly adapt error handling in mirror_change as a consequence block/mirror.c | 33 ++++++++++++++++++++++++++++++--- qapi/block-core.json | 13 ++++++++++++- 2 files changed, 42 insertions(+), 4 deletions(-) diff --git a/block/mirror.c b/block/mirror.c index 8992c09172..889cce5414 100644 --- a/block/mirror.c +++ b/block/mirror.c @@ -1075,7 +1075,7 @@ static int coroutine_fn mirror_run(Job *job, Error **errp) */ job_transition_to_ready(&s->common.job); } - if (s->copy_mode != MIRROR_COPY_MODE_BACKGROUND) { + if (qatomic_read(&s->copy_mode) != MIRROR_COPY_MODE_BACKGROUND) { s->actively_synced = true; } @@ -1246,6 +1246,32 @@ static bool commit_active_cancel(Job *job, bool force) return force || !job_is_ready(job); } +static void mirror_change(BlockJob *job, BlockJobChangeOptions *opts, + Error **errp) +{ + MirrorBlockJob *s = container_of(job, MirrorBlockJob, common); + BlockJobChangeOptionsMirror *change_opts = &opts->u.mirror; + MirrorCopyMode current; + + if (qatomic_read(&s->copy_mode) == change_opts->copy_mode) { + return; + } + + if (change_opts->copy_mode != MIRROR_COPY_MODE_WRITE_BLOCKING) { + error_setg(errp, "Change to copy mode '%s' is not implemented", + MirrorCopyMode_str(change_opts->copy_mode)); + return; + } + + current = qatomic_cmpxchg(&s->copy_mode, MIRROR_COPY_MODE_BACKGROUND, + change_opts->copy_mode); + if (current != MIRROR_COPY_MODE_BACKGROUND) { + error_setg(errp, "Expected current copy mode '%s', got '%s'", + MirrorCopyMode_str(MIRROR_COPY_MODE_BACKGROUND), + MirrorCopyMode_str(current)); + } +} + static const BlockJobDriver mirror_job_driver = { .job_driver = { .instance_size = sizeof(MirrorBlockJob), @@ -1260,6 +1286,7 @@ static const BlockJobDriver mirror_job_driver = { .cancel = mirror_cancel, }, .drained_poll = mirror_drained_poll, + .change = mirror_change, }; static const BlockJobDriver commit_active_job_driver = { @@ -1467,7 +1494,7 @@ static bool should_copy_to_target(MirrorBDSOpaque *s) { return s->job && s->job->ret >= 0 && !job_is_cancelled(&s->job->common.job) && - s->job->copy_mode == MIRROR_COPY_MODE_WRITE_BLOCKING; + qatomic_read(&s->job->copy_mode) == MIRROR_COPY_MODE_WRITE_BLOCKING; } static int coroutine_fn GRAPH_RDLOCK @@ -1812,7 +1839,7 @@ static BlockJob *mirror_start_job( s->is_none_mode = is_none_mode; s->backing_mode = backing_mode; s->zero_target = zero_target; - s->copy_mode = copy_mode; + qatomic_set(&s->copy_mode, copy_mode); s->base = base; s->base_overlay = bdrv_find_overlay(bs, base); s->granularity = granularity; diff --git a/qapi/block-core.json b/qapi/block-core.json index c6f31a9399..01427c259a 100644 --- a/qapi/block-core.json +++ b/qapi/block-core.json @@ -3044,6 +3044,17 @@ { 'command': 'block-job-finalize', 'data': { 'id': 'str' }, 'allow-preconfig': true } +## +# @BlockJobChangeOptionsMirror: +# +# @copy-mode: Switch to this copy mode. Currenlty, only the switch +# from 'background' to 'write-blocking' is implemented. +# +# Since: 8.2 +## +{ 'struct': 'BlockJobChangeOptionsMirror', + 'data': { 'copy-mode' : 'MirrorCopyMode' } } + ## # @BlockJobChangeOptions: # @@ -3058,7 +3069,7 @@ { 'union': 'BlockJobChangeOptions', 'base': { 'id': 'str', 'type': 'JobType' }, 'discriminator': 'type', - 'data': {} } + 'data': { 'mirror': 'BlockJobChangeOptionsMirror' } } ## # @block-job-change: From patchwork Fri Oct 13 09:21:40 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fiona Ebner X-Patchwork-Id: 13420587 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 82576CDB482 for ; Fri, 13 Oct 2023 09:24:53 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qrEMr-0005tg-7E; Fri, 13 Oct 2023 05:22:01 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qrEMo-0005le-Gm; Fri, 13 Oct 2023 05:21:58 -0400 Received: from proxmox-new.maurer-it.com ([94.136.29.106]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qrEMl-00072n-Is; Fri, 13 Oct 2023 05:21:58 -0400 Received: from proxmox-new.maurer-it.com (localhost.localdomain [127.0.0.1]) by proxmox-new.maurer-it.com (Proxmox) with ESMTP id 7A98748F2A; Fri, 13 Oct 2023 11:21:51 +0200 (CEST) From: Fiona Ebner To: qemu-devel@nongnu.org Cc: qemu-block@nongnu.org, armbru@redhat.com, eblake@redhat.com, hreitz@redhat.com, kwolf@redhat.com, vsementsov@yandex-team.ru, jsnow@redhat.com, den@virtuozzo.com, t.lamprecht@proxmox.com, alexander.ivanov@virtuozzo.com Subject: [PATCH v3 6/9] qapi/block-core: use JobType for BlockJobInfo's type Date: Fri, 13 Oct 2023 11:21:40 +0200 Message-Id: <20231013092143.365296-7-f.ebner@proxmox.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231013092143.365296-1-f.ebner@proxmox.com> References: <20231013092143.365296-1-f.ebner@proxmox.com> MIME-Version: 1.0 Received-SPF: pass client-ip=94.136.29.106; envelope-from=f.ebner@proxmox.com; helo=proxmox-new.maurer-it.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org In preparation to turn BlockJobInfo into a union with @type as the discriminator. That requires it to be an enum. No functional change is intended. Signed-off-by: Fiona Ebner Reviewed-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Markus Armbruster --- No changes in v3. block/monitor/block-hmp-cmds.c | 4 ++-- blockjob.c | 2 +- qapi/block-core.json | 2 +- 3 files changed, 4 insertions(+), 4 deletions(-) diff --git a/block/monitor/block-hmp-cmds.c b/block/monitor/block-hmp-cmds.c index ca2599de44..f9f87e5c47 100644 --- a/block/monitor/block-hmp-cmds.c +++ b/block/monitor/block-hmp-cmds.c @@ -843,7 +843,7 @@ void hmp_info_block_jobs(Monitor *mon, const QDict *qdict) } while (list) { - if (strcmp(list->value->type, "stream") == 0) { + if (list->value->type == JOB_TYPE_STREAM) { monitor_printf(mon, "Streaming device %s: Completed %" PRId64 " of %" PRId64 " bytes, speed limit %" PRId64 " bytes/s\n", @@ -855,7 +855,7 @@ void hmp_info_block_jobs(Monitor *mon, const QDict *qdict) monitor_printf(mon, "Type %s, device %s: Completed %" PRId64 " of %" PRId64 " bytes, speed limit %" PRId64 " bytes/s\n", - list->value->type, + JobType_str(list->value->type), list->value->device, list->value->offset, list->value->len, diff --git a/blockjob.c b/blockjob.c index d53bc775d2..f8cf6e58e2 100644 --- a/blockjob.c +++ b/blockjob.c @@ -388,7 +388,7 @@ BlockJobInfo *block_job_query_locked(BlockJob *job, Error **errp) &progress_total); info = g_new0(BlockJobInfo, 1); - info->type = g_strdup(job_type_str(&job->job)); + info->type = job_type(&job->job); info->device = g_strdup(job->job.id); info->busy = job->job.busy; info->paused = job->job.pause_count > 0; diff --git a/qapi/block-core.json b/qapi/block-core.json index 01427c259a..a19718a69f 100644 --- a/qapi/block-core.json +++ b/qapi/block-core.json @@ -1396,7 +1396,7 @@ # Since: 1.1 ## { 'struct': 'BlockJobInfo', - 'data': {'type': 'str', 'device': 'str', 'len': 'int', + 'data': {'type': 'JobType', 'device': 'str', 'len': 'int', 'offset': 'int', 'busy': 'bool', 'paused': 'bool', 'speed': 'int', 'io-status': 'BlockDeviceIoStatus', 'ready': 'bool', 'status': 'JobStatus', From patchwork Fri Oct 13 09:21:41 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fiona Ebner X-Patchwork-Id: 13420584 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id D3B60CDB47E for ; Fri, 13 Oct 2023 09:23:45 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qrEMn-0005l7-UZ; Fri, 13 Oct 2023 05:21:57 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qrEMl-0005iP-FZ; Fri, 13 Oct 2023 05:21:55 -0400 Received: from proxmox-new.maurer-it.com ([94.136.29.106]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qrEMj-00071U-5B; Fri, 13 Oct 2023 05:21:55 -0400 Received: from proxmox-new.maurer-it.com (localhost.localdomain [127.0.0.1]) by proxmox-new.maurer-it.com (Proxmox) with ESMTP id 4381A48F3C; Fri, 13 Oct 2023 11:21:51 +0200 (CEST) From: Fiona Ebner To: qemu-devel@nongnu.org Cc: qemu-block@nongnu.org, armbru@redhat.com, eblake@redhat.com, hreitz@redhat.com, kwolf@redhat.com, vsementsov@yandex-team.ru, jsnow@redhat.com, den@virtuozzo.com, t.lamprecht@proxmox.com, alexander.ivanov@virtuozzo.com Subject: [PATCH v3 7/9] qapi/block-core: turn BlockJobInfo into a union Date: Fri, 13 Oct 2023 11:21:41 +0200 Message-Id: <20231013092143.365296-8-f.ebner@proxmox.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231013092143.365296-1-f.ebner@proxmox.com> References: <20231013092143.365296-1-f.ebner@proxmox.com> MIME-Version: 1.0 Received-SPF: pass client-ip=94.136.29.106; envelope-from=f.ebner@proxmox.com; helo=proxmox-new.maurer-it.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org In preparation to additionally return job-type-specific information. Signed-off-by: Fiona Ebner Reviewed-by: Vladimir Sementsov-Ogievskiy --- No changes in v3. qapi/block-core.json | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/qapi/block-core.json b/qapi/block-core.json index a19718a69f..950542b735 100644 --- a/qapi/block-core.json +++ b/qapi/block-core.json @@ -1395,13 +1395,15 @@ # # Since: 1.1 ## -{ 'struct': 'BlockJobInfo', - 'data': {'type': 'JobType', 'device': 'str', 'len': 'int', +{ 'union': 'BlockJobInfo', + 'base': {'type': 'JobType', 'device': 'str', 'len': 'int', 'offset': 'int', 'busy': 'bool', 'paused': 'bool', 'speed': 'int', 'io-status': 'BlockDeviceIoStatus', 'ready': 'bool', 'status': 'JobStatus', 'auto-finalize': 'bool', 'auto-dismiss': 'bool', - '*error': 'str' } } + '*error': 'str' }, + 'discriminator': 'type', + 'data': {} } ## # @query-block-jobs: From patchwork Fri Oct 13 09:21:42 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fiona Ebner X-Patchwork-Id: 13420581 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id CC10CCDB47E for ; Fri, 13 Oct 2023 09:22:40 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qrEMp-0005ne-8U; Fri, 13 Oct 2023 05:21:59 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qrEMn-0005kJ-7D; Fri, 13 Oct 2023 05:21:57 -0400 Received: from proxmox-new.maurer-it.com ([94.136.29.106]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qrEMl-00072v-Ld; Fri, 13 Oct 2023 05:21:56 -0400 Received: from proxmox-new.maurer-it.com (localhost.localdomain [127.0.0.1]) by proxmox-new.maurer-it.com (Proxmox) with ESMTP id A3E4C48F33; Fri, 13 Oct 2023 11:21:51 +0200 (CEST) From: Fiona Ebner To: qemu-devel@nongnu.org Cc: qemu-block@nongnu.org, armbru@redhat.com, eblake@redhat.com, hreitz@redhat.com, kwolf@redhat.com, vsementsov@yandex-team.ru, jsnow@redhat.com, den@virtuozzo.com, t.lamprecht@proxmox.com, alexander.ivanov@virtuozzo.com Subject: [PATCH v3 8/9] blockjob: query driver-specific info via a new 'query' driver method Date: Fri, 13 Oct 2023 11:21:42 +0200 Message-Id: <20231013092143.365296-9-f.ebner@proxmox.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231013092143.365296-1-f.ebner@proxmox.com> References: <20231013092143.365296-1-f.ebner@proxmox.com> MIME-Version: 1.0 Received-SPF: pass client-ip=94.136.29.106; envelope-from=f.ebner@proxmox.com; helo=proxmox-new.maurer-it.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Signed-off-by: Fiona Ebner --- Changes in v3: * Unlock job mutex while calling the driver's handler for query. blockjob.c | 6 ++++++ include/block/blockjob_int.h | 5 +++++ 2 files changed, 11 insertions(+) diff --git a/blockjob.c b/blockjob.c index f8cf6e58e2..9c1cf2ba78 100644 --- a/blockjob.c +++ b/blockjob.c @@ -376,6 +376,7 @@ BlockJobInfo *block_job_query_locked(BlockJob *job, Error **errp) { BlockJobInfo *info; uint64_t progress_current, progress_total; + const BlockJobDriver *drv = block_job_driver(job); GLOBAL_STATE_CODE(); @@ -405,6 +406,11 @@ BlockJobInfo *block_job_query_locked(BlockJob *job, Error **errp) g_strdup(error_get_pretty(job->job.err)) : g_strdup(strerror(-job->job.ret)); } + if (drv->query) { + job_unlock(); + drv->query(job, info); + job_lock(); + } return info; } diff --git a/include/block/blockjob_int.h b/include/block/blockjob_int.h index f604985315..4ab88b3c97 100644 --- a/include/block/blockjob_int.h +++ b/include/block/blockjob_int.h @@ -72,6 +72,11 @@ struct BlockJobDriver { * Change the @job's options according to @opts. */ void (*change)(BlockJob *job, BlockJobChangeOptions *opts, Error **errp); + + /* + * Query information specific to this kind of block job. + */ + void (*query)(BlockJob *job, BlockJobInfo *info); }; /* From patchwork Fri Oct 13 09:21:43 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fiona Ebner X-Patchwork-Id: 13420585 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 2A46DCDB47E for ; Fri, 13 Oct 2023 09:24:13 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qrEMs-0005v0-VD; Fri, 13 Oct 2023 05:22:02 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qrEMp-0005oF-HG; Fri, 13 Oct 2023 05:21:59 -0400 Received: from proxmox-new.maurer-it.com ([94.136.29.106]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qrEMm-00073o-Qa; Fri, 13 Oct 2023 05:21:59 -0400 Received: from proxmox-new.maurer-it.com (localhost.localdomain [127.0.0.1]) by proxmox-new.maurer-it.com (Proxmox) with ESMTP id 21BB044468; Fri, 13 Oct 2023 11:21:54 +0200 (CEST) From: Fiona Ebner To: qemu-devel@nongnu.org Cc: qemu-block@nongnu.org, armbru@redhat.com, eblake@redhat.com, hreitz@redhat.com, kwolf@redhat.com, vsementsov@yandex-team.ru, jsnow@redhat.com, den@virtuozzo.com, t.lamprecht@proxmox.com, alexander.ivanov@virtuozzo.com Subject: [PATCH v3 9/9] mirror: return mirror-specific information upon query Date: Fri, 13 Oct 2023 11:21:43 +0200 Message-Id: <20231013092143.365296-10-f.ebner@proxmox.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231013092143.365296-1-f.ebner@proxmox.com> References: <20231013092143.365296-1-f.ebner@proxmox.com> MIME-Version: 1.0 Received-SPF: pass client-ip=94.136.29.106; envelope-from=f.ebner@proxmox.com; helo=proxmox-new.maurer-it.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org To start out, only actively-synced is returned. For example, this is useful for jobs that started out in background mode and switched to active mode. Once actively-synced is true, it's clear that the mode switch has been completed. Note that completion of the switch might happen much earlier, e.g. if the switch happens before the job is ready, once all background operations have finished. It's assumed that whether the disks are actively-synced or not is more interesting than whether the mode switch completed. That information can still be added if required in the future. In presence of an iothread, the actively_synced member is now shared between the iothread and the main thread, so turn accesses to it atomic. Requires to adapt the output for iotest 109. Signed-off-by: Fiona Ebner --- Changes in v3: * squash with patch adapting iotest output * turn accesses to actively_synced atomic block/mirror.c | 21 ++++++++++++++++----- qapi/block-core.json | 16 +++++++++++++++- tests/qemu-iotests/109.out | 24 ++++++++++++------------ 3 files changed, 43 insertions(+), 18 deletions(-) diff --git a/block/mirror.c b/block/mirror.c index 889cce5414..b305c03918 100644 --- a/block/mirror.c +++ b/block/mirror.c @@ -122,7 +122,7 @@ typedef enum MirrorMethod { static BlockErrorAction mirror_error_action(MirrorBlockJob *s, bool read, int error) { - s->actively_synced = false; + qatomic_set(&s->actively_synced, false); if (read) { return block_job_error_action(&s->common, s->on_source_error, true, error); @@ -962,7 +962,7 @@ static int coroutine_fn mirror_run(Job *job, Error **errp) if (s->bdev_length == 0) { /* Transition to the READY state and wait for complete. */ job_transition_to_ready(&s->common.job); - s->actively_synced = true; + qatomic_set(&s->actively_synced, true); while (!job_cancel_requested(&s->common.job) && !s->should_complete) { job_yield(&s->common.job); } @@ -1076,7 +1076,7 @@ static int coroutine_fn mirror_run(Job *job, Error **errp) job_transition_to_ready(&s->common.job); } if (qatomic_read(&s->copy_mode) != MIRROR_COPY_MODE_BACKGROUND) { - s->actively_synced = true; + qatomic_set(&s->actively_synced, true); } should_complete = s->should_complete || @@ -1272,6 +1272,15 @@ static void mirror_change(BlockJob *job, BlockJobChangeOptions *opts, } } +static void mirror_query(BlockJob *job, BlockJobInfo *info) +{ + MirrorBlockJob *s = container_of(job, MirrorBlockJob, common); + + info->u.mirror = (BlockJobInfoMirror) { + .actively_synced = qatomic_read(&s->actively_synced), + }; +} + static const BlockJobDriver mirror_job_driver = { .job_driver = { .instance_size = sizeof(MirrorBlockJob), @@ -1287,6 +1296,7 @@ static const BlockJobDriver mirror_job_driver = { }, .drained_poll = mirror_drained_poll, .change = mirror_change, + .query = mirror_query, }; static const BlockJobDriver commit_active_job_driver = { @@ -1405,7 +1415,7 @@ do_sync_target_write(MirrorBlockJob *job, MirrorMethod method, bitmap_end = QEMU_ALIGN_UP(offset + bytes, job->granularity); bdrv_set_dirty_bitmap(job->dirty_bitmap, bitmap_offset, bitmap_end - bitmap_offset); - job->actively_synced = false; + qatomic_set(&job->actively_synced, false); action = mirror_error_action(job, false, -ret); if (action == BLOCK_ERROR_ACTION_REPORT) { @@ -1464,7 +1474,8 @@ static void coroutine_fn GRAPH_RDLOCK active_write_settle(MirrorOp *op) uint64_t end_chunk = DIV_ROUND_UP(op->offset + op->bytes, op->s->granularity); - if (!--op->s->in_active_write_counter && op->s->actively_synced) { + if (!--op->s->in_active_write_counter && + qatomic_read(&op->s->actively_synced)) { BdrvChild *source = op->s->mirror_top_bs->backing; if (QLIST_FIRST(&source->bs->parents) == source && diff --git a/qapi/block-core.json b/qapi/block-core.json index 950542b735..35d67410cc 100644 --- a/qapi/block-core.json +++ b/qapi/block-core.json @@ -1352,6 +1352,20 @@ { 'enum': 'MirrorCopyMode', 'data': ['background', 'write-blocking'] } +## +# @BlockJobInfoMirror: +# +# Information specific to mirror block jobs. +# +# @actively-synced: Whether the source is actively synced to the +# target, i.e. same data and new writes are done synchronously to +# both. +# +# Since 8.2 +## +{ 'struct': 'BlockJobInfoMirror', + 'data': { 'actively-synced': 'bool' } } + ## # @BlockJobInfo: # @@ -1403,7 +1417,7 @@ 'auto-finalize': 'bool', 'auto-dismiss': 'bool', '*error': 'str' }, 'discriminator': 'type', - 'data': {} } + 'data': { 'mirror': 'BlockJobInfoMirror' } } ## # @query-block-jobs: diff --git a/tests/qemu-iotests/109.out b/tests/qemu-iotests/109.out index 2611d6a40f..965c9a6a0a 100644 --- a/tests/qemu-iotests/109.out +++ b/tests/qemu-iotests/109.out @@ -38,7 +38,7 @@ read 512/512 bytes at offset 0 {"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "ready", "id": "src"}} {"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_READY", "data": {"device": "src", "len": 1024, "offset": 1024, "speed": 0, "type": "mirror"}} {"execute":"query-block-jobs"} -{"return": [{"auto-finalize": true, "io-status": "ok", "device": "src", "auto-dismiss": true, "busy": false, "len": 1024, "offset": 1024, "status": "ready", "paused": false, "speed": 0, "ready": true, "type": "mirror"}]} +{"return": [{"auto-finalize": true, "io-status": "ok", "device": "src", "auto-dismiss": true, "busy": false, "len": 1024, "offset": 1024, "status": "ready", "paused": false, "speed": 0, "ready": true, "type": "mirror", "actively-synced": false}]} {"execute":"quit"} {"return": {}} {"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false, "reason": "host-qmp-quit"}} @@ -90,7 +90,7 @@ read 512/512 bytes at offset 0 {"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "ready", "id": "src"}} {"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_READY", "data": {"device": "src", "len": 197120, "offset": 197120, "speed": 0, "type": "mirror"}} {"execute":"query-block-jobs"} -{"return": [{"auto-finalize": true, "io-status": "ok", "device": "src", "auto-dismiss": true, "busy": false, "len": 197120, "offset": 197120, "status": "ready", "paused": false, "speed": 0, "ready": true, "type": "mirror"}]} +{"return": [{"auto-finalize": true, "io-status": "ok", "device": "src", "auto-dismiss": true, "busy": false, "len": 197120, "offset": 197120, "status": "ready", "paused": false, "speed": 0, "ready": true, "type": "mirror", "actively-synced": false}]} {"execute":"quit"} {"return": {}} {"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false, "reason": "host-qmp-quit"}} @@ -142,7 +142,7 @@ read 512/512 bytes at offset 0 {"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "ready", "id": "src"}} {"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_READY", "data": {"device": "src", "len": 327680, "offset": 327680, "speed": 0, "type": "mirror"}} {"execute":"query-block-jobs"} -{"return": [{"auto-finalize": true, "io-status": "ok", "device": "src", "auto-dismiss": true, "busy": false, "len": 327680, "offset": 327680, "status": "ready", "paused": false, "speed": 0, "ready": true, "type": "mirror"}]} +{"return": [{"auto-finalize": true, "io-status": "ok", "device": "src", "auto-dismiss": true, "busy": false, "len": 327680, "offset": 327680, "status": "ready", "paused": false, "speed": 0, "ready": true, "type": "mirror", "actively-synced": false}]} {"execute":"quit"} {"return": {}} {"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false, "reason": "host-qmp-quit"}} @@ -194,7 +194,7 @@ read 512/512 bytes at offset 0 {"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "ready", "id": "src"}} {"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_READY", "data": {"device": "src", "len": 1024, "offset": 1024, "speed": 0, "type": "mirror"}} {"execute":"query-block-jobs"} -{"return": [{"auto-finalize": true, "io-status": "ok", "device": "src", "auto-dismiss": true, "busy": false, "len": 1024, "offset": 1024, "status": "ready", "paused": false, "speed": 0, "ready": true, "type": "mirror"}]} +{"return": [{"auto-finalize": true, "io-status": "ok", "device": "src", "auto-dismiss": true, "busy": false, "len": 1024, "offset": 1024, "status": "ready", "paused": false, "speed": 0, "ready": true, "type": "mirror", "actively-synced": false}]} {"execute":"quit"} {"return": {}} {"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false, "reason": "host-qmp-quit"}} @@ -246,7 +246,7 @@ read 512/512 bytes at offset 0 {"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "ready", "id": "src"}} {"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_READY", "data": {"device": "src", "len": 65536, "offset": 65536, "speed": 0, "type": "mirror"}} {"execute":"query-block-jobs"} -{"return": [{"auto-finalize": true, "io-status": "ok", "device": "src", "auto-dismiss": true, "busy": false, "len": 65536, "offset": 65536, "status": "ready", "paused": false, "speed": 0, "ready": true, "type": "mirror"}]} +{"return": [{"auto-finalize": true, "io-status": "ok", "device": "src", "auto-dismiss": true, "busy": false, "len": 65536, "offset": 65536, "status": "ready", "paused": false, "speed": 0, "ready": true, "type": "mirror", "actively-synced": false}]} {"execute":"quit"} {"return": {}} {"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false, "reason": "host-qmp-quit"}} @@ -298,7 +298,7 @@ read 512/512 bytes at offset 0 {"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "ready", "id": "src"}} {"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_READY", "data": {"device": "src", "len": 2560, "offset": 2560, "speed": 0, "type": "mirror"}} {"execute":"query-block-jobs"} -{"return": [{"auto-finalize": true, "io-status": "ok", "device": "src", "auto-dismiss": true, "busy": false, "len": 2560, "offset": 2560, "status": "ready", "paused": false, "speed": 0, "ready": true, "type": "mirror"}]} +{"return": [{"auto-finalize": true, "io-status": "ok", "device": "src", "auto-dismiss": true, "busy": false, "len": 2560, "offset": 2560, "status": "ready", "paused": false, "speed": 0, "ready": true, "type": "mirror", "actively-synced": false}]} {"execute":"quit"} {"return": {}} {"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false, "reason": "host-qmp-quit"}} @@ -349,7 +349,7 @@ read 512/512 bytes at offset 0 {"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "ready", "id": "src"}} {"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_READY", "data": {"device": "src", "len": 2560, "offset": 2560, "speed": 0, "type": "mirror"}} {"execute":"query-block-jobs"} -{"return": [{"auto-finalize": true, "io-status": "ok", "device": "src", "auto-dismiss": true, "busy": false, "len": 2560, "offset": 2560, "status": "ready", "paused": false, "speed": 0, "ready": true, "type": "mirror"}]} +{"return": [{"auto-finalize": true, "io-status": "ok", "device": "src", "auto-dismiss": true, "busy": false, "len": 2560, "offset": 2560, "status": "ready", "paused": false, "speed": 0, "ready": true, "type": "mirror", "actively-synced": false}]} {"execute":"quit"} {"return": {}} {"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false, "reason": "host-qmp-quit"}} @@ -400,7 +400,7 @@ read 512/512 bytes at offset 0 {"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "ready", "id": "src"}} {"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_READY", "data": {"device": "src", "len": 31457280, "offset": 31457280, "speed": 0, "type": "mirror"}} {"execute":"query-block-jobs"} -{"return": [{"auto-finalize": true, "io-status": "ok", "device": "src", "auto-dismiss": true, "busy": false, "len": 31457280, "offset": 31457280, "status": "ready", "paused": false, "speed": 0, "ready": true, "type": "mirror"}]} +{"return": [{"auto-finalize": true, "io-status": "ok", "device": "src", "auto-dismiss": true, "busy": false, "len": 31457280, "offset": 31457280, "status": "ready", "paused": false, "speed": 0, "ready": true, "type": "mirror", "actively-synced": false}]} {"execute":"quit"} {"return": {}} {"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false, "reason": "host-qmp-quit"}} @@ -451,7 +451,7 @@ read 512/512 bytes at offset 0 {"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "ready", "id": "src"}} {"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_READY", "data": {"device": "src", "len": 327680, "offset": 327680, "speed": 0, "type": "mirror"}} {"execute":"query-block-jobs"} -{"return": [{"auto-finalize": true, "io-status": "ok", "device": "src", "auto-dismiss": true, "busy": false, "len": 327680, "offset": 327680, "status": "ready", "paused": false, "speed": 0, "ready": true, "type": "mirror"}]} +{"return": [{"auto-finalize": true, "io-status": "ok", "device": "src", "auto-dismiss": true, "busy": false, "len": 327680, "offset": 327680, "status": "ready", "paused": false, "speed": 0, "ready": true, "type": "mirror", "actively-synced": false}]} {"execute":"quit"} {"return": {}} {"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false, "reason": "host-qmp-quit"}} @@ -502,7 +502,7 @@ read 512/512 bytes at offset 0 {"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "ready", "id": "src"}} {"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_READY", "data": {"device": "src", "len": 2048, "offset": 2048, "speed": 0, "type": "mirror"}} {"execute":"query-block-jobs"} -{"return": [{"auto-finalize": true, "io-status": "ok", "device": "src", "auto-dismiss": true, "busy": false, "len": 2048, "offset": 2048, "status": "ready", "paused": false, "speed": 0, "ready": true, "type": "mirror"}]} +{"return": [{"auto-finalize": true, "io-status": "ok", "device": "src", "auto-dismiss": true, "busy": false, "len": 2048, "offset": 2048, "status": "ready", "paused": false, "speed": 0, "ready": true, "type": "mirror", "actively-synced": false}]} {"execute":"quit"} {"return": {}} {"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false, "reason": "host-qmp-quit"}} @@ -533,7 +533,7 @@ WARNING: Image format was not specified for 'TEST_DIR/t.raw' and probing guessed {"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "ready", "id": "src"}} {"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_READY", "data": {"device": "src", "len": 512, "offset": 512, "speed": 0, "type": "mirror"}} {"execute":"query-block-jobs"} -{"return": [{"auto-finalize": true, "io-status": "ok", "device": "src", "auto-dismiss": true, "busy": false, "len": 512, "offset": 512, "status": "ready", "paused": false, "speed": 0, "ready": true, "type": "mirror"}]} +{"return": [{"auto-finalize": true, "io-status": "ok", "device": "src", "auto-dismiss": true, "busy": false, "len": 512, "offset": 512, "status": "ready", "paused": false, "speed": 0, "ready": true, "type": "mirror", "actively-synced": false}]} {"execute":"quit"} {"return": {}} {"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false, "reason": "host-qmp-quit"}} @@ -557,7 +557,7 @@ Images are identical. {"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "ready", "id": "src"}} {"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_READY", "data": {"device": "src", "len": 512, "offset": 512, "speed": 0, "type": "mirror"}} {"execute":"query-block-jobs"} -{"return": [{"auto-finalize": true, "io-status": "ok", "device": "src", "auto-dismiss": true, "busy": false, "len": 512, "offset": 512, "status": "ready", "paused": false, "speed": 0, "ready": true, "type": "mirror"}]} +{"return": [{"auto-finalize": true, "io-status": "ok", "device": "src", "auto-dismiss": true, "busy": false, "len": 512, "offset": 512, "status": "ready", "paused": false, "speed": 0, "ready": true, "type": "mirror", "actively-synced": false}]} {"execute":"quit"} {"return": {}} {"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false, "reason": "host-qmp-quit"}}